CN211736411U - Concrete spreader - Google Patents

Abstract

The utility model relates to a concrete spreader, including landing leg, vertical setting and fixed connection in the grudging post at landing leg center, transversely set up and rotate connect in the balance arm on grudging post top, cavity setting and slide the weight box of connecting on the balance arm, connect in the girder construction on grudging post top relatively with the balance arm, grudging post and girder construction all are provided with the conveying pipeline, have placed the balancing weight in the weight box, the balance arm is provided with the spout that extends along balance arm length direction, and the weight box is provided with the actuating mechanism who slides and connect in the sliding block of spout and drive sliding block. The utility model discloses have the effect of the balance of the cloth machine of realization under the unchangeable circumstances of counter weight.

Description

Concrete spreader

Technical Field

The utility model belongs to the technical field of the construction technology and specifically relates to a concrete spreader is related to.

Background

The concrete distributor is an end device for pumping concrete, and is used for conveying the pumped concrete to a formwork of a member to be cast through a pipeline. The resultant motion of the two-part turret covers all distribution points of the distribution radius, thereby delivering pumped concrete through the pipe to the form of the component to be cast.

At present, chinese patent with publication number CN 202544413U discloses a concrete spreader arm frame and a concrete spreader with the arm frame, and the technical points are as follows: the material distributing device comprises a first material distributing rod and a second material distributing rod, a conveying pipeline is connected between the first material distributing rod and the second material distributing rod, a first horizontal rotation mechanism is arranged at the tail end of the first material distributing rod, a rotation head capable of horizontally rotating is arranged on the first horizontal rotation mechanism, and the front end of the second material distributing rod is movably connected with the rotation head to enable the second material distributing rod to vertically rotate.

The above prior art solutions have the following drawbacks: when the cloth machine is using, because the revolving rack length is different, often need use the counter weight of different weight in order to prevent that it from taking place the slope, ensure cloth machine overall structure's stability, this just needs to adjust the quantity of the balancing weight in the weight box, and it is very inconvenient to change, leads to work efficiency low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a concrete spreader, its advantage is in the balance that realizes the cloth machine under the unchangeable circumstances of counter weight.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

content of the first master right: the utility model provides a concrete spreader, includes landing leg, vertical setting and fixed connection in the grudging post at landing leg center, transversely sets up and rotates the balance arm, the cavity setting of connecting on the balance arm that just slide and connect in the weight box on balance arm, connect the girder construction on grudging post top with the balance arm relatively, grudging post and girder construction all are provided with the conveying pipeline, have placed the balancing weight in the weight box, the balance arm is provided with the spout that extends along balance arm length direction, and the weight box is provided with the actuating mechanism who slides and connect in the sliding block of spout and drive sliding block and slide.

By adopting the technical scheme: after a balance arm of the concrete spreader is installed, a sliding block of the weight box is placed in a sliding chute of the balance arm, so that the balance weight can slide on the balance arm stably, and a balance weight is added into the weight box; the driving mechanism drives the weight box to slide along the length direction of the balance arm, so that the position is adjusted according to the length of the main beam frame, and the balance of the distributing machine is ensured under the condition that the weight of the balance weight is not changed.

The present invention may be further configured in a preferred embodiment as: the driving mechanism comprises an adjusting screw rod and a first driving assembly, wherein the adjusting screw rod is rotatably connected to the inner wall of the sliding groove, part of the adjusting screw rod extends out of the balance arm and deviates from the main beam frame, the first driving assembly drives the adjusting screw rod to rotate, the axis direction of the adjusting screw rod is parallel to the extending direction of the sliding groove, and the sliding block is provided with a threaded hole for the adjusting screw rod to penetrate through and is in threaded connection with the adjusting screw rod.

Through adopting above-mentioned technical scheme, first drive assembly drive is adjusted the lead screw and is carried out forward rotation or direction and rotate to drive the weight box and be reciprocating motion on the balance arm, realize the position adjustment of weight box through screw drive, screw drive operates steadily, and the precision is high, and has good auto-lock ability.

The present invention may be further configured in a preferred embodiment as: the first driving assembly comprises a first motor, an output shaft of the first motor is coaxially and fixedly connected to one end, far away from the balance arm, of the adjusting screw rod, the end face, far away from the main beam frame, of the balance arm is fixedly connected with an L-shaped supporting plate, a vertical plate of the supporting plate is fixedly connected to the balance arm, and the first motor is fixedly connected to a horizontal plate of the supporting plate.

Through adopting above-mentioned technical scheme, can adopt motor drive to adjust the lead screw rotation mode to some great types of cloth machines of size, the reciprocating motion of weight box is realized to the motor just reversing, and degree of automation is high, need not the operator and scrambles the cloth machine and carry out manual operation, effectively reduces the potential safety hazard.

The present invention may be further configured in a preferred embodiment as: the first driving assembly comprises a rotating disc which is coaxially and fixedly sleeved on the adjusting screw rod and located outside the balance arm, and an operating rod which is eccentrically arranged and protrudes to be fixedly connected to the end face, far away from the balance arm, of the rotating disc.

Through adopting above-mentioned technical scheme, to the less miniature cloth machine of some sizes adoption manual operation, when needing the adjustment counter weight, the operator holds the action bars, revolutes the driving disk axis and rotates, because the driving disk diameter is great, effectively reduces to rotate and adjusts the required power of lead screw, adopts manual operation, effectively practices thrift the cost.

The present invention may be further configured in a preferred embodiment as: the action bars cover is equipped with soft cover, the cover is the rubber sleeve, the global protrusion of cover is provided with the anti-skidding burr, the outer peripheral face of action bars is seted up and is extended and around the multichannel recess that the action bars axis distributes along action bars axis direction, the inner wall protrusion of cover is provided with the lug with recess matched with.

Through adopting above-mentioned technical scheme, the bush cover is located to the action bars cover, improves the comfort level that the operator rotated the rolling disc, is provided with anti-skidding burr, increases operator's hand and the frictional force of bush between the bush cover, is provided with recess and lug between action bars and the bush cover respectively, effectively prevents that the rotation in-process action bars of rolling disc and the bush cover from taking place relative rotation.

The present invention may be further configured in a preferred embodiment as: the driving mechanism comprises a roller which is longitudinally arranged and is rotatably connected to the weight box, a steel wire pull rope with one end fixedly connected to the vertical frame and the other end fixedly wound on the roller, and a second driving assembly for driving the roller to rotate.

Through adopting above-mentioned technical scheme, when needs adjustment counter weight, second drive assembly driving roll rotates to carry out the serving motion to the steel wire stay cord, the other end fixed connection of steel wire stay cord produces the pulling force to the weight box in the grudging post, thereby forces the weight box to slide towards being close to the grudging post direction and adjust.

The present invention may be further configured in a preferred embodiment as: the cylinder is including vertically wearing to locate the weight box and rotating the winding post of connecting in the connecting rod of weight box and fixed cup joint in the both ends of connecting rod respectively, second drive assembly includes that coaxial stopping cup joints in the worm wheel of connecting rod, rotates the second motor that connects in the inner wall of weight box and mesh in the worm of worm wheel and the coaxial fixed connection of output shaft in the one end of worm, the global protrusion of winding post is provided with the tether ring, and the steel wire stay cord is corresponding to be provided with two, steel wire stay cord fixed connection in tether ring, second motor fixed connection in weight box.

Through adopting above-mentioned technical scheme, the winding post is provided with the tether ring, makes things convenient for the fixed of steel wire stay cord, and the second motor rotates and drives the winding post through worm gear transmission mode and rotate, and the transmission is steady, and the noise is little and have good auto-lock nature.

The present invention may be further configured in a preferred embodiment as: the balance arm is provided with an extension spring which is arranged in the sliding groove in a built-in mode and one end of the extension spring is fixedly connected to the sliding block, and the other end of the extension spring is fixedly connected to the inner wall of the sliding groove.

By adopting the technical scheme, the second motor rotates positively to drive the winding column to perform rope winding action, so that the weight box moves towards the direction close to the vertical frame, the weight box pulls the rope to stretch the spring in the moving process, and the stretching spring has certain elastic potential energy; the second motor is rotated reversely to drive the winding column to release the rope, the extension spring is reset to pull the configuration box to slide towards the direction far away from the stand, and the position of the configuration box is adjusted.

The present invention may be further configured in a preferred embodiment as: the sliding block is provided with a rotating wheel, the lower peripheral surface of the rotating wheel is abutted to the lower inner wall of the sliding groove, and the axis of the rotating wheel is parallel to the width direction of the balance arm.

Through adopting above-mentioned technical scheme, the sliding block is provided with the rotation wheel, effectively reduces the frictional force between sliding block and the spout and reduces the wearing and tearing between sliding block and the spout.

To sum up, the utility model discloses a following at least one useful technological effect:

after a balance arm of the concrete spreader is installed, a sliding block of the weight box is placed in a sliding chute of the balance arm, so that the balance weight can slide on the balance arm stably, and a balance weight is added into the weight box; the driving mechanism drives the weight box to slide along the length direction of the balance arm, so that the position is adjusted according to the length of the main beam frame, and the balance of the distributing machine is ensured under the condition that the weight of the balance weight is not changed;

for some large-size material distributing machines, a mode of driving a regulating screw rod to rotate by a motor can be adopted, the reciprocating motion of the weight box is realized by the forward and reverse rotation of a first motor, the automation degree is high, an operator does not need to climb the material distributing machine for manual operation, and the potential safety hazard is effectively reduced; the cloth machine with smaller size is manually operated, when the balance weight needs to be adjusted, an operator holds the operating rod by hand and rotates around the axis of the rotating disc, the rotating disc has larger diameter, so that the force required for rotating and adjusting the screw rod is effectively reduced, and the cost is effectively saved by adopting manual operation;

the second motor rotates positively to drive the winding column to perform rope winding action, the weight box moves towards the direction close to the vertical frame, and the tension spring is pulled in the movement process of the weight box and has certain elastic potential energy; the second motor is rotated reversely to drive the winding column to release the rope, the extension spring is reset to pull the configuration box to slide towards the direction far away from the stand, and the position of the configuration box is adjusted.

Drawings

Fig. 1 is a schematic structural view of a concrete spreader in embodiment 1;

FIG. 2 is an exploded view of the slider in embodiment 1;

fig. 3 is a schematic structural view of a first drive assembly inembodiment 2;

FIG. 4 is a schematic structural view of the operation lever and the mat cover inembodiment 2;

FIG. 5 is a schematic structural view of a concrete spreader in example 3;

fig. 6 is a schematic view of the internal structure of the weight box inembodiment 3.

In the figure, 1, a support leg; 11. an outer leg; 12. an inner leg; 13. anchor bolts; 2. erecting a frame; 3. a rotary support; 4. a balance arm; 41. a chute; 42. a support plate; 43. an extension spring; 5. a main beam frame; 6. a delivery pipe; 7. a weight box; 71. a slider; 711. a threaded hole; 712. a rotating wheel; 72. a partition plate; 73. a counterweight chamber; 74. a transmission cavity; 8. a drive mechanism; 81. a first drive assembly; 811. a first motor; 812. rotating the disc; 813. an operating lever; 8131. a groove; 814. a cushion cover; 8141. a bump; 8142. anti-skid lines; 82. adjusting the lead screw; 83. a drum; 831. a connecting rod; 832. winding the column; 84. a steel wire rope; 85. a second drive assembly; 851. a worm gear; 852. a worm; 853. a second motor.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Embodiment 1, refer to fig. 1, for the utility model discloses a concrete spreader, including landing leg 1, vertical setting and fixed connection in thegrudging post 2 at landing leg 1 center, transversely set up and rotate and connect in thebalance arm 4 on 2 tops of grudging post, cavity setting and slide and connect in theweight box 7 onbalance arm 4, withbalance arm 4 relatively connect in thegirder frame 5 on 2 tops of grudging post. The landing leg 1 comprises aninner landing leg 12 and an outer landing leg 11 sleeved outside theinner landing leg 12, and theinner landing leg 12 is fixed on the ground through ananchor bolt 13. The upper end surface of thevertical frame 2 is provided with arotary support 3, abalance arm 4 and amain beam frame 5 are fixed on therotary support 3 and rotate along with the rotation of therotary support 3, thevertical frame 2 and themain beam frame 5 are both provided with amaterial conveying pipe 6, and a counterweight block (not shown in the figure) is placed in acounterweight box 7.

As shown in fig. 1 and 2, in order to adjust the distance between theweight box 7 and the stand, thebalance arm 4 is provided with aslide groove 41 extending in the longitudinal direction of thebalance arm 4, and theweight box 7 is provided with aslide block 71 slidably connected to theslide groove 41 and a drive mechanism 8 for slidably driving theslide block 71. The driving mechanism 8 comprises an adjustingscrew rod 82 which is rotatably connected with the inner wall of the slidinggroove 41 and partially extends out of thebalance arm 4 away from themain beam frame 5, and afirst driving assembly 81 which drives the adjustingscrew rod 82 to rotate, wherein the axial direction of the adjustingscrew rod 82 is parallel to the extending direction of the slidinggroove 41, and the slidingblock 71 is provided with a threadedhole 711 through which the adjustingscrew rod 82 penetrates and is in threaded connection with the adjustingscrew rod 82.

In order to reduce the friction between theslide block 71 and theslide groove 41 and to reduce the wear between theslide block 71 and theslide groove 41, arotating wheel 712 is rotatably provided at a lower portion of theslide block 71, a lower peripheral surface of therotating wheel 712 abuts against a lower inner wall of theslide groove 41, and an axis of therotating wheel 712 is parallel to the width direction of thebalance arm 4. Thefirst driving assembly 81 comprises afirst motor 811, an output shaft of thefirst motor 811 is coaxially and fixedly connected to one end of the adjustingscrew 82, which is far away from thebalance arm 4, an L-shaped supportingplate 42 is fixedly connected to the end face, which is far away from themain beam frame 5, of thebalance arm 4, a vertical plate of the supportingplate 42 is fixedly connected to thebalance arm 4, and thefirst motor 811 is fixedly connected to a horizontal plate of the supportingplate 42.

The implementation principle of the embodiment is as follows: to some great type cloth machines of size adoptfirst motor 811drive adjusting screw 82 rotation mode, andfirst motor 811 is just reversing to realize the reciprocating motion ofweight box 7, and degree of automation is high, need not the operator and scrambles the cloth machine and carry out manual operation, effectively reduces the potential safety hazard.

Embodiment 2 differs from embodiment 1 in that, as shown in fig. 3 and 4, the first drivingassembly 81 includes arotating disk 812 coaxially fixed to the adjustingscrew 82 and located outside thebalance arm 4, and anoperating rod 813 eccentrically disposed and protruding from an end surface of therotating disk 812 away from thebalance arm 4. The operatingrod 813 is sleeved with asoft cushion cover 814, and thecushion cover 814 is a rubber sleeve, so that the comfort level of an operator when the operator rotates therotating disc 812 is improved. The peripheral surface of thecushion cover 814 is convexly provided with anti-skid convex lines to increase the friction between the hands of an operator and thecushion cover 814. The outer peripheral surface of the operatingrod 813 is provided with a plurality ofgrooves 8131 which extend along the axial direction of the operatingrod 813 and are distributed around the axial line of the operatingrod 813, and the inner wall of thecushion cover 814 is convexly provided with aconvex block 8141 matched with thegroove 8131, so that the operatingrod 813 and thecushion cover 814 are effectively prevented from rotating relatively in the rotating process of therotating disc 812.

The implementation principle of the embodiment is as follows: adopt manual operation to the less miniature cloth machine of some sizes, when needing the adjustment counter weight, the operator holds action bars 813, revolutes therotating disk 812 axis and rotates, because rotatingdisk 812 diameter is great, effectively reduces to rotate the required power of adjustinglead screw 82, adopts manual operation, effectively practices thrift the cost.

Example 3 differs from example 1 in that, as shown in fig. 5 and 6, thebalance arm 4 is provided with anextension spring 43 which is built in thechute 41 and one end of which is fixedly connected to theslide block 71, and the other end of theextension spring 43 is fixedly connected to the inner wall of thechute 41. Theweight box 7 is horizontally provided with apartition plate 72 which divides the inner cavity of theweight box 7 into aweight cavity 73 and atransmission cavity 74, and the driving mechanism 8 comprises aroller 83 which is longitudinally arranged and rotatably connected to theweight box 7, a steel wire pullrope 84 of which one end is fixedly connected to the stand and the other end is fixedly wound on theroller 83, and asecond driving component 85 which drives theroller 83 to rotate. Theroller 83 includes a connectingrod 831 longitudinally penetrating through theweight box 7 and rotatably connected to the inner wall of thetransmission cavity 74, and two windingposts 832 fixedly sleeved at two ends of the connectingrod 831 respectively, a rope fastening ring (not shown) is convexly disposed on the circumferential surface of each windingpost 832, twosteel wire ropes 84 are correspondingly disposed, and thesteel wire ropes 84 are fixedly connected to the rope fastening rings. Thesecond driving assembly 85 includes aworm wheel 851 disposed in thetransmission chamber 74 and coaxially sleeved on the connectingrod 831 in a rotation-stopping manner, aworm 852 rotatably connected to an inner wall of thetransmission chamber 74 and meshed with theworm wheel 851, and asecond motor 853 having an output shaft coaxially and fixedly connected to one end of theworm 852, wherein thesecond motor 853 is fixedly connected to an inner wall of the bottom of thetransmission chamber 74.

The implementation principle of the embodiment is as follows: thesecond motor 853 rotates in the forward direction and drives the windingpost 832 to perform a rope winding action through the transmission of theworm wheel 851worm 852, so that the steelwire pulling rope 84 is wound, the other end of the steelwire pulling rope 84 is fixedly connected to the stand to generate a pulling force on theweight box 7, so that theweight box 7 is forced to slide towards the direction close to the stand to perform adjustment, theweight box 7 moves towards the direction close to the stand, the pulling rope stretches thespring 43 in the moving process of theweight box 7, and the stretchingspring 43 has certain elastic potential energy; thesecond motor 853 rotates reversely to drive the windingpost 832 to release the rope, and theextension spring 43 resets to pull the configuration box to slide towards the direction far away from the stand, so that the position of the configuration box is adjusted.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides a concrete spreader which characterized in that: the device comprises supporting legs (1), a vertical frame which is vertically arranged and fixedly connected to the center of the supporting legs (1), a balance arm (4) which is transversely arranged and rotatably connected to the top end of the vertical frame (2), a weight box (7) which is arranged in a hollow mode and connected to the balance arm (4) in a sliding mode, and a main beam frame (5) which is connected to the top end of the vertical frame (2) opposite to the balance arm (4), wherein the vertical frame (2) and the main beam frame (5) are both provided with material conveying pipes (6), a balancing weight is placed in the weight box (7), the balance arm (4) is provided with a sliding groove (41) extending along the length direction of the balance arm (4), and the weight box (7) is provided with a sliding block (71) connected to the sliding groove (41) in a sliding mode and; the driving mechanism (8) comprises an adjusting screw rod (82) which is rotatably connected to the inner wall of the sliding groove (41) and partially extends out of the balance arm (4) and deviates from the main beam frame (5), and a first driving assembly (81) which drives the adjusting screw rod (82) to rotate, the axis direction of the adjusting screw rod (82) is parallel to the extending direction of the sliding groove (41), and the sliding block (71) is provided with a threaded hole (711) which is used for the adjusting screw rod (82) to penetrate through and is in threaded connection with the adjusting screw rod (82).

2. A concrete spreader as claimed in claim 1, wherein: the first driving assembly (81) comprises a first motor (811), an output shaft of the first motor (811) is coaxially and fixedly connected to one end, far away from the balance arm (4), of the adjusting screw rod (82), the end face, far away from the main beam frame (5), of the balance arm (4) is fixedly connected with an L-shaped supporting plate (42), a vertical plate of the supporting plate (42) is fixedly connected to the balance arm (4), and the first motor (811) is fixedly connected to a horizontal plate of the supporting plate (42).

3. A concrete spreader as claimed in claim 1, wherein: the first driving assembly (81) comprises a rotating disc (812) which is coaxially and fixedly sleeved on the adjusting screw rod (82) and located outside the balance arm (4) and an operating rod (813) which is eccentrically arranged and protrudes to be fixedly connected to the end face, far away from the balance arm (4), of the rotating disc (812).

4. A concrete spreader as claimed in claim 3, wherein: the cover of action bars (813) is equipped with soft cover (814), cover (814) is the rubber sleeve, the global protrusion of cover (814) is provided with the antiskid burr, the outer peripheral face of action bars (813) is seted up and is extended and around multichannel recess (8131) that action bars (813) axis distributes along action bars (813) axis direction, the inner wall protrusion of cover (814) is provided with recess (8131) matched with lug (8141).

5. A concrete spreader as claimed in claim 1, wherein: the driving mechanism (8) comprises a roller (83) which is longitudinally arranged and is rotatably connected to the weight box (7), a steel wire pull rope (84) of which one end is fixedly connected to the vertical frame and the other end is fixedly wound on the roller (83), and a second driving assembly (85) which drives the roller (83) to rotate.

6. A concrete spreader as claimed in claim 5, wherein: the roller (83) comprises a connecting rod (831) longitudinally penetrating through the weight box (7) and rotatably connected to the weight box (7) and winding columns (832) respectively fixedly sleeved at two ends of the connecting rod (831), the second driving component (85) comprises a worm wheel (851) coaxially sleeved at the connecting rod (831) in a rotation stopping manner, a worm (852) rotatably connected to the inner wall of the weight box (7) and meshed with the worm wheel (851), and a second motor (853) coaxially and fixedly connected to one end of the worm (852) through an output shaft, rope tying rings are arranged on the peripheral surface of each winding column (832) in a protruding manner, two steel wire pull ropes (84) are correspondingly arranged, the steel wire pull ropes (84) are fixedly connected to the rope tying rings, and the second motor (853) is fixedly connected to the weight box (7).

7. A concrete spreader as claimed in claim 6, wherein: the balance arm (4) is provided with an extension spring (43) which is arranged in the sliding groove (41) in a built-in mode and one end of the extension spring (43) is fixedly connected to the sliding block (71), and the other end of the extension spring (43) is fixedly connected to the inner wall of the sliding groove (41).

8. A concrete spreader as claimed in claim 4 or 7, wherein: the sliding block (71) is provided with a rotating wheel (712), the lower peripheral surface of the rotating wheel (712) is abutted against the lower inner wall of the sliding groove (41), and the axis of the rotating wheel (712) is parallel to the width direction of the balance arm (4).

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