CN112643700A - Pushing device for safety operating rod of electric shock prevention signboard and using method - Google Patents
Pushing device for safety operating rod of electric shock prevention signboard and using methodDownload PDFInfo
- Publication number
- CN112643700A CN112643700ACN202011451239.2ACN202011451239ACN112643700ACN 112643700 ACN112643700 ACN 112643700ACN 202011451239 ACN202011451239 ACN 202011451239ACN 112643700 ACN112643700 ACN 112643700A
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- Prior art keywords
- hole
- push rod
- rod
- handle
- signboard
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- 230000002265preventionEffects0.000titleclaimsabstractdescription11
- 238000000034methodMethods0.000titleclaimsdescription9
- 238000009413insulationMethods0.000claimsabstractdescription5
- 238000003780insertionMethods0.000claimsdescription5
- 230000037431insertionEffects0.000claimsdescription5
- 239000011810insulating materialSubstances0.000claimsdescription4
- 230000000694effectsEffects0.000claimsdescription2
- 238000003466weldingMethods0.000description6
- 238000012423maintenanceMethods0.000description2
- 230000009286beneficial effectEffects0.000description1
- 230000007547defectEffects0.000description1
- 230000005611electricityEffects0.000description1
- 238000006467substitution reactionMethods0.000description1
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Classifications
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J15/00—Gripping heads and other end effectors
- B25J15/02—Gripping heads and other end effectors servo-actuated
- B25J15/0253—Gripping heads and other end effectors servo-actuated comprising parallel grippers
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J1/00—Manipulators positioned in space by hand
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- Engineering & Computer Science (AREA)
- Robotics (AREA)
- Mechanical Engineering (AREA)
- Walking Sticks, Umbrellas, And Fans (AREA)
Abstract
Description
Technical Field
The invention relates to the technical field of safety signboard operating rods, in particular to a pushing device of an electric shock prevention signboard safety operating rod and a using method of the pushing device.
Background
In the daily operation and maintenance work of a power supply station, some signboard is often required to be hung on a high-voltage wire or high-voltage electrical equipment, the existing operating rod is an insulating rod, and an operation and maintenance worker is often fixedly connected with a clamp at the end part of the insulating rod for the convenience of operation, and then the signboard is clamped by using a frame and then hanging operation is carried out, but the prior art has the problems that if the clamping force of the clamp is too large, the clamp is difficult to separate from the signboard, and when the insulating rod is pulled by a person with force, the signboard is easy to be pulled to be damaged; if clip clamping force degree undersize, though part from the clip with the signboard very easily, nevertheless because the clamping force degree undersize, the signboard drops from the clip very easily, pounces fortune dimension personnel to prior art exists and can not control the problem that the clip opened and shut at the operation end.
In order to solve the above problems, the applicant has developed an electric shock preventing signboard safety operation lever, which includes: the insulating rod is provided with a straight hole with a through upper end and a through lower end; the lower end of the first chuck is fixedly connected to one end of the insulating rod, a first side surface of the first chuck is positioned on the side part of the straight hole, and the first side surface is parallel to the length direction of the straight hole; the lower part of the second chuck is rotationally connected to the side part of the first chuck through a rotating shaft, the second chuck is positioned on one side, close to the straight hole, of the first side surface and is positioned right above the straight hole, the plane where the second side surface of the second chuck is positioned and the plane where the first side surface is positioned are intersected with the central axis of the rotating shaft together, the rotating shaft is parallel to the length direction of the straight hole, and the rotating shaft is parallel to the first side surface; the diameter of the push rod is smaller than that of the straight hole, the length of the push rod is larger than that of the straight hole, and the push rod is movably inserted into the straight hole.
When the operating rod is used, the opening and closing of the first chuck and the second chuck are realized by pushing the push rod and releasing the push rod, once an operator releases the push rod, the first chuck and the second chuck can be immediately released, so that the problem that the push rod cannot be self-locked exists in the prior art, and the operation is very inconvenient.
Disclosure of Invention
In order to solve the defects and shortcomings of the prior art, the invention aims to provide a pushing device of a safety operating rod of an electric shock prevention signboard.
The technical scheme of the invention is as follows: a thrust unit of an electric shock prevention signboard safety operation rod comprises:
the insulation rod is provided with a straight hole with a through upper end and a through lower end, the end part of the straight hole is provided with a first through hole, and the first through hole is a screw hole;
the diameter of the push rod is smaller than that of the straight hole, threads matched with the first through hole are arranged on the outer surface of the push rod, and the push rod is inserted into the straight hole and connected into the first through hole in a threaded mode.
Further, still include:
the insulating rubber sheet is fixedly connected right above the first through hole and seals the first through hole.
Further, still include:
the polygonal prism is fixedly connected to one end, far away from the first through hole, of the push rod, the central axis of the polygonal prism is coaxial with the push rod, and the length of the polygonal prism is larger than the distance from one end, close to the first chuck, of the insulating rod to the rotating shaft;
the handle, handle one end is equipped with the polygon jack with polygon prism assorted, and polygon jack degree of depth is greater than polygon prism length, and polygon prism activity is pegged graft in polygon jack.
Further, the handle is rotatably connected to one end, far away from the first through hole, of the insulating rod through a rotating connection mechanism.
Further, the rotation connection mechanism includes:
the limiting retainer ring is fixedly connected to one end, far away from the first through hole, of the inner wall of the straight hole, and the inner diameter of the limiting retainer ring is larger than the outer diameter of the push rod;
the connecting cylinder is coaxial with the circumcircle of the polygonal jack, one end of the connecting cylinder is fixedly connected to one end, close to the polygonal jack, of the handle, an inner hole of the connecting cylinder is matched with the polygonal jack, the inner hole of the connecting cylinder is aligned with the polygonal jack, the outer diameter of the connecting cylinder is smaller than the inner diameter of the limiting retainer ring, and the length of the connecting cylinder is larger than that of the limiting retainer ring;
the inner hole of the clamping ring is the same as the inner hole of the connecting cylinder, the inner hole of the clamping ring is aligned with the polygonal insertion hole, the outer diameter of the clamping ring is larger than the inner diameter of the limiting retainer ring and smaller than the inner diameter of the straight hole, the clamping ring is coaxial with the connecting cylinder, and the inner cavity of the clamping ring is connected with the inner cavity of the connecting cylinder;
wherein, the snap ring is rotatably connected in a straight hole at the side part of the limit retainer ring.
Further, the push rod is made of an insulating material.
Furthermore, the handle is provided with anti-skid lines.
Furthermore, the outer side surface of the insulating rod, which is close to the handle, is provided with anti-skid grains.
The use method of the pushing device of the safety operating rod of the electric shock prevention signboard comprises the following steps: when the push rod needs to move towards the first perforation direction, the handle is rotated to enable the push rod to rotate in the first perforation, and the push rod moves towards the first perforation; when the push rod needs to move towards the opposite direction of the first through hole, the handle is rotated reversely to enable the push rod to rotate in the first through hole, and the push rod moves towards the opposite direction of the first through hole.
The invention has the beneficial effects that: compared with the prior art, the method has the advantages that,
1) the push rod is in threaded connection with the first through hole, the push rod can be adjusted to move in the first through hole by rotating the push rod, so that the end part of the push rod props against the connecting piece and loosens the connecting piece to enable the first chuck and the second chuck to be opened and closed, in addition, the push rod can have a self-locking function when the first through hole moves through the mode, other objects are not needed to fix the push rod after the position of the push rod is adjusted, and the use is more convenient;
2) the upper end of the straight hole is blocked by the insulating rubber sheet, so that rainwater is prevented from entering the straight hole to damp the inner wall of the straight hole and conduct electricity, and the safety is higher;
3) according to the invention, the push rod can be rotated by rotating the handle through the matching of the polygonal jack in the handle and the polygonal prism, the diameter of the handle is larger than that of the push rod, the moment of the handle rotating the push rod is larger than that of the push rod directly rotating the push rod, the push rod is rotated by the handle more labor-saving, the handle can also play a role in isolating the straight hole from an operator, the problem that current is conducted to a human body through the straight hole due to moisture in the straight hole is avoided, and the handle is safer;
4) according to the invention, the handle and the insulating rod are connected through the rotary connecting mechanism, so that the handle can be prevented from being separated while rotating;
5) the clamping ring is clamped by the limiting check ring, and the connecting cylinder is connected with the clamping ring, so that the handle is rotatably connected to the end part of the insulating rod;
6) according to the invention, the push rod is made of the insulating material, so that an operator does not get an electric shock when contacting the push rod, and the safety is higher;
7) the anti-slip threads are arranged on the handle, so that the handle can be rotated without slipping;
8) the invention provides that the outer side surface of the insulating rod close to the handle is provided with the anti-slip threads, so that the handle can be rotated without slipping;
9) the invention realizes that the push rod is operated to be far away from and close to the connecting piece at the operation end by using the mode of rotating the handle, realizes the opening and closing of the first chuck and the second chuck, and has the advantage of controlling the opening and closing of the first chuck and the second chuck at the operation end.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a partial view at C of FIG. 2;
FIG. 4 is a partial view at E of FIG. 2;
FIG. 5 is a partial view at F of FIG. 2;
FIG. 6 is a perspective view of the second chuck of the present invention;
FIG. 7 is a right side view of the first chuck of the present invention;
FIG. 8 is a cross-sectional view taken along line D-D of FIG. 7;
FIG. 9 is a front view of the present invention;
FIG. 10 is a cross-sectional view taken along line B-B of FIG. 9;
FIG. 11 is a partial view taken at H in FIG. 10;
fig. 12 is a partial view at G in fig. 10.
Detailed Description
The invention will be further described with reference to the following drawings and specific embodiments:
example 1: this embodiment a thrust unit of protection against electric shock signboard safety bar includes: theinsulation rod 1 is provided with a straight hole 1-1 with a through upper end and a through lower end, the end part of the straight hole 1-1 is provided with a first through hole 6-1, and the first through hole 6-1 is a screw hole; the diameter of thepush rod 4 is smaller than that of the straight hole 1-1, threads matched with the first through hole 6-1 are arranged on the outer surface of thepush rod 4, and thepush rod 4 is inserted into the straight hole 1-1 and connected into the first through hole 6-1 through threads.
Further, still include: and aninsulating rubber sheet 15 is bonded and connected right above the first through hole 6-1, and theinsulating rubber sheet 15 seals the first through hole 6-1.
Further, still include: thepolygonal prism 7 is connected to one end, far away from the first through hole 6-1, of thepush rod 4 in a welded mode, the central axis of thepolygonal prism 7 is coaxial with thepush rod 4, and the length of thepolygonal prism 7 is larger than the distance from one end, close to thefirst chuck 2, of theinsulating rod 1 to the rotatingshaft 8; thehandle 10, one end of thehandle 10 is provided with a polygonal jack 10-1 matched with thepolygonal prism 7, the depth of the polygonal jack 10-1 is larger than the length of thepolygonal prism 7, and thepolygonal prism 7 is movably inserted in the polygonal jack 10-1.
Further, thehandle 10 is rotatably connected to an end of theinsulating rod 1 far from the first through hole 6-1 through a rotating connection mechanism.
Further, the rotation connection mechanism includes: the limiting retainer ring 1-2 is welded and connected to one end, far away from the first through hole 6-1, of the inner wall of the straight hole 1-1, and the inner diameter of the limiting retainer ring 1-2 is larger than the outer diameter of thepush rod 4; the connectingcylinder 12 is coaxial with the circumcircle of the polygonal jack 10-1, one end of the connectingcylinder 12 is welded and connected to one end, close to the polygonal jack 10-1, of thehandle 10, the inner hole of the connectingcylinder 12 is matched with the polygonal jack 10-1, the inner hole of the connectingcylinder 12 is aligned with the polygonal jack 10-1, the outer diameter of the connectingcylinder 12 is smaller than the inner diameter of the limiting retainer ring 1-2, and the length of the connectingcylinder 12 is larger than that of the limiting retainer ring 1-2; the inner hole of theclamping ring 11 is the same as the inner hole of the connectingcylinder 12, the inner hole of theclamping ring 11 is aligned with the polygonal insertion hole 10-1, the outer diameter of theclamping ring 11 is larger than the inner diameter of the limiting retainer ring 1-2 and smaller than the inner diameter of the straight hole 1-1, theclamping ring 11 is coaxial with the connectingcylinder 12, and the inner cavity of theclamping ring 11 is equal to the inner cavity of the connectingcylinder 12; wherein, thesnap ring 11 is rotatably connected in a straight hole 1-1 at the side part of the limit retainer ring 1-2.
Further, thepush rod 4 is made of an insulating material.
Further, thehandle 10 is provided with anti-slip lines.
Further, the outer side surface of theinsulating rod 1 close to thehandle 10 is provided with anti-skid grains.
The use method of the pushing device of the safety operating rod of the electric shock prevention signboard comprises the following steps: when thepush rod 4 needs to move towards the first through hole 6-1, thehandle 10 is rotated to rotate thepush rod 4 in the first through hole 6-1 so that thepush rod 4 moves towards the first through hole 6-1; when it is desired to move thepush rod 4 in the opposite direction to the first through hole 6-1, thehandle 10 is rotated in the opposite direction to rotate thepush rod 4 in the first through hole 6-1, so that thepush rod 4 moves in the opposite direction to the first through hole 6-1.
Example 2: this embodiment an electric shock prevention signboard safety bar includes: theinsulation rod 1 is provided with a straight hole 1-1 with a through upper end and a through lower end; the lower end of thefirst chuck 2 is connected to one end of theinsulating rod 1 through insertion or welding, a first side surface 2-1 of thefirst chuck 2 is positioned on the side part of the straight hole 1-1, and the first side surface 2-1 is parallel to the length direction of the straight hole 1-1; the lower part of thesecond chuck 3 is rotationally connected to the side part of thefirst chuck 2 through arotating shaft 8, thesecond chuck 3 is positioned on one side of the first side surface 2-1 close to the straight hole 1-1 and is positioned right above the straight hole 1-1, the plane where the second side surface 3-1 of thesecond chuck 3 is positioned and the plane where the first side surface 2-1 is positioned share the same phase and are intersected with the central axis of the rotatingshaft 8, therotating shaft 8 is parallel to the length direction of the straight hole 1-1, and therotating shaft 8 is parallel to the first side surface 2-1; the diameter of thepush rod 4 is smaller than that of the straight hole 1-1, and thepush rod 4 is movably inserted in the straight hole 1-1.
Further, still include: the upper end of the connectingplate 5 is connected to the lower surface of thefirst chuck 2 in a welding mode, the connectingplate 5 is perpendicular to the first side surface 2-1, and therotating shaft 8 is connected to the connectingplate 5 in a welding mode; thebase 6 is connected to the lower end of the connectingplate 5 in a welding mode and forms an L shape with the connectingplate 5; theinserting rod 7 is a polygonal rod body, the upper end of theinserting rod 7 is welded with thebase 6, theinserting rod 7 is perpendicular to therotating shaft 8, and theinserting rod 7 is parallel to the first side face 2-1; the first through hole is positioned on thebase 6 at the side part of the connectingplate 5, the first through hole penetrates through the upper surface of the base and the lower end surface of the plug rod, and the first through hole 6-1 is coaxial with theplug rod 7; the connectinghole 14 is a polygonal hole matched with theinserting rod 7, the connectinghole 14 is connected to the end of the straight hole 1-1 in a welding mode, the connectinghole 14 is coaxial with the straight hole 1-1, and theinserting rod 7 is inserted into the connectinghole 14; the connectingpiece 13 is connected to the lower end of thesecond chuck 3 in a welding mode, the connectingpiece 13 is located on one side of the second side face 3-1, the connectingpiece 13 and thesecond chuck 3 form an L shape, a rotating hole 13-1 parallel to the second side face 3-1 is formed in the connectingpiece 13, the connectingpiece 13 is rotatably connected to the rotatingshaft 8 through the rotating hole 13-1, and the connectingpiece 13 is located right above the first through hole 6-1.
Furthermore, the first through hole 6-1 is a screw hole, threads are arranged on the outer surface of thepush rod 4, the threads on thepush rod 4 are matched with the threads on the first through hole 6-1, and thepush rod 4 is connected to the first through hole 6-1 in a threaded manner; aninsulating rubber sheet 15 is connected to the position right above the first through hole 6-1 in an adhering mode, and theinsulating rubber sheet 15 seals the first through hole 6-1.
Further, still include: thepolygonal prism 7 is connected to one end, far away from the first through hole 6-1, of thepush rod 4 in a welded mode, the central axis of thepolygonal prism 7 is coaxial with thepush rod 4, and the length of thepolygonal prism 7 is larger than the distance from one end, close to thefirst chuck 2, of theinsulating rod 1 to the rotatingshaft 8; thehandle 10, one end of thehandle 10 is provided with a polygonal jack 10-1 matched with thepolygonal prism 7, the depth of the polygonal jack 10-1 is larger than the length of thepolygonal prism 7, and thepolygonal prism 7 is movably inserted in the polygonal jack 10-1.
Further, thehandle 10 is rotatably connected to an end of the insulatingrod 1 far from the first through hole 6-1 through a rotating connection mechanism.
Further, the rotation connection mechanism includes: the limiting retainer ring 1-2 is welded and connected to one end, far away from the first through hole 6-1, of the inner wall of the straight hole 1-1, and the inner diameter of the limiting retainer ring 1-2 is larger than the outer diameter of the push rod 4; the connecting cylinder 12 is coaxial with the circumcircle of the polygonal jack 10-1, one end of the connecting cylinder 12 is welded and connected to one end, close to the polygonal jack 10-1, of the handle 10, the inner hole of the connecting cylinder 12 is matched with the polygonal jack 10-1, the inner hole of the connecting cylinder 12 is aligned with the polygonal jack 10-1, the outer diameter of the connecting cylinder 12 is smaller than the inner diameter of the limiting retainer ring 1-2, and the length of the connecting cylinder 12 is larger than that of the limiting retainer ring 1-2; the inner hole of the clamping ring 11 is the same as the inner hole of the connecting cylinder 12, the inner hole of the clamping ring 11 is aligned with the polygonal insertion hole 10-1, the outer diameter of the clamping ring 11 is larger than the inner diameter of the limiting retainer ring 1-2 and smaller than the inner diameter of the straight hole 1-1, the clamping ring 11 is coaxial with the connecting cylinder 12, and the inner cavity of the clamping ring 11 is equal to the inner cavity of the connecting cylinder 12; wherein, the snap ring 11 is rotatably connected in a straight hole 1-1 at the side part of the limit retainer ring 1-2.
Further, still include: the first side surface 2-1 and the second side surface 3-1 are covered with rubber layers.
Further, still include: and the elastic piece is arranged between thefirst chuck 2 and thesecond chuck 3, and the elastic piece enables thefirst chuck 2 and thesecond chuck 3 to have the tendency of expanding.
Further, the elastic member includes: the first permanent magnet 9-1 is bonded or clamped on the lower surface of thefirst chuck 2, and the first permanent magnet 9-1 is bonded or clamped on the lower surface of thefirst chuck 2; and the second permanent magnet 13-2 is bonded or clamped on the upper surface of the connectingpiece 13 between the rotary hole 13-1 and thesecond chuck 3, and the magnetic pole of the upper surface of the second permanent magnet 13-2 is the same as that of the lower surface of the first permanent magnet 9-1.
A use method of the safety operating rod of the electric shock prevention signboard comprises the following steps: when thefirst chuck 2 and thesecond chuck 3 need to be closed, thehandle 10 is rotated to rotate thepush rod 4 in the first through hole 6-1, so that the end part of thepush rod 4 pushes the connectingpiece 13 to move towards the first chuck; when it is desired to loosen the first andsecond jaws handle 10 is rotated in the opposite direction to rotate thepush rod 4 in the first through hole 6-1 to move the end of thepush rod 4 away from the connectingmember 13, and the first andsecond jaws 3 are released.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (9)
1. The utility model provides a thrust unit of protection against electric shock signboard safety bar which characterized in that includes:
the insulation rod (1) is provided with a straight hole (1-1) with a through upper end and a through lower end, the end part of the straight hole (1-1) is provided with a first through hole (6-1), and the first through hole (6-1) is a screw hole;
the diameter of the push rod (4) is smaller than that of the straight hole (1-1), threads matched with the first through hole (6-1) are arranged on the outer surface of the push rod (4), and the push rod (4) is inserted into the straight hole (1-1) and connected into the first through hole (6-1) in a threaded mode.
2. The pushing device of the safety operating rod of the electric shock preventing signboard of claim 1, further comprising:
and an insulating rubber sheet (15) is fixedly connected right above the first through hole (6-1), and the insulating rubber sheet (15) seals the first through hole (6-1).
3. The pushing device of the safety operating rod of the electric shock preventing signboard of claim 1, further comprising:
the polygonal prism (7) is fixedly connected to one end, far away from the first through hole (6-1), of the push rod (4), the central axis of the polygonal prism (7) is coaxial with the push rod (4), and the length of the polygonal prism (7) is larger than the distance from one end, close to the first chuck (2), of the insulating rod (1) to the rotating shaft (8);
the handle (10), polygonal jack (10-1) that is equipped with and polygon prism (7) assorted in handle (10) one end, polygon jack (10-1) degree of depth is greater than polygon prism (7) length, and polygon prism (7) activity is pegged graft in polygon jack (10-1).
4. The pushing device of the safety operating rod of the electric shock preventing signboard of claim 3, wherein the handle (10) is rotatably connected to an end of the insulating rod (1) far from the first perforation (6-1) through a rotating connection mechanism.
5. The pushing device of the safety operating rod of the electric shock preventing signboard of claim 4, wherein the rotation connecting mechanism comprises:
the limiting retainer ring (1-2), the limiting retainer ring (1-2) is fixedly connected to one end, far away from the first through hole (6-1), of the inner wall of the straight hole (1-1), and the inner diameter of the limiting retainer ring (1-2) is larger than the outer diameter of the push rod (4);
the connecting cylinder (12) is coaxial with the circumcircle of the polygonal jack (10-1), one end of the connecting cylinder (12) is fixedly connected to one end, close to the polygonal jack (10-1), of the handle (10), the inner hole of the connecting cylinder (12) is matched with the polygonal jack (10-1), the inner hole of the connecting cylinder (12) is aligned with the polygonal jack (10-1), the outer diameter of the connecting cylinder (12) is smaller than the inner diameter of the limiting retainer ring (1-2), and the length of the connecting cylinder (12) is larger than that of the limiting retainer ring (1-2);
the inner hole of the clamping ring (11) is the same as the inner hole of the connecting cylinder (12), the inner hole of the clamping ring (11) is aligned with the polygonal insertion hole (10-1), the outer diameter of the clamping ring (11) is larger than the inner diameter of the limiting retainer ring (1-2) and smaller than the inner diameter of the straight hole (1-1), the clamping ring (11) is coaxial with the connecting cylinder (12), and the inner cavity of the clamping ring (11) is coaxial with the inner cavity of the connecting cylinder (12);
wherein the snap ring (11) is rotatably connected in a straight hole (1-1) at the side part of the limiting retainer ring (1-2).
6. The pushing device of the safety operating rod of the electric shock preventing signboard of claim 4, wherein the push rod (4) is made of an insulating material.
7. The pushing device of the safety operating rod of the electric shock preventing signboard of claim 3, wherein the handle (10) is provided with anti-slip lines.
8. The pushing device of the safety operating rod of the electric shock prevention signboard of claim 3 is characterized in that the outer side surface of the insulating rod (1) close to the handle (10) is provided with anti-skid grains.
9. The use method of the pushing device of the safety operating rod of the electric shock preventing signboard of claim 5 is characterized in that the method comprises the following steps: when the push rod (4) needs to move towards the first through hole (6-1), the push rod (4) rotates in the first through hole (6-1) by rotating the handle (10) so that the push rod (4) moves towards the first through hole (6-1); when the push rod (4) needs to move towards the opposite direction of the first through hole (6-1), the handle (10) is rotated reversely to enable the push rod (4) to rotate in the first through hole (6-1) so that the push rod (4) moves towards the opposite direction of the first through hole (6-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011451239.2ACN112643700A (en) | 2020-12-11 | 2020-12-11 | Pushing device for safety operating rod of electric shock prevention signboard and using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011451239.2ACN112643700A (en) | 2020-12-11 | 2020-12-11 | Pushing device for safety operating rod of electric shock prevention signboard and using method |
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| Publication Number | Publication Date |
|---|---|
| CN112643700Atrue CN112643700A (en) | 2021-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011451239.2APendingCN112643700A (en) | 2020-12-11 | 2020-12-11 | Pushing device for safety operating rod of electric shock prevention signboard and using method |
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| CN (1) | CN112643700A (en) |
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| CN105729147A (en)* | 2014-12-11 | 2016-07-06 | 西安众智惠泽光电科技有限公司 | Threaded self-locking type automatic centering work fixture used for annular workpiece |
| CN204308911U (en)* | 2014-12-12 | 2015-05-06 | 黄河科技学院 | The jack catchs type handling instrument of dress electricity-saving lamp dismounting on the ceiling |
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| CN210452593U (en)* | 2019-08-24 | 2020-05-05 | 李明旻 | Bulb replacing device capable of stably grasping and replacing tool head |
| CN211046247U (en)* | 2019-11-25 | 2020-07-17 | 国网新疆电力有限公司乌鲁木齐供电公司 | Self-locking type insulated flat tongs for removing foreign matters from overhead line |
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