CN111878650B - Pipeline flange interfacing apparatus for hydraulic engineering - Google Patents

Abstract

The invention discloses a pipeline flange butt joint device for hydraulic engineering, which comprises an intermediate plate, wherein a left connecting rod is hinged to the left side of the intermediate plate, a right connecting rod is hinged to the right side of the intermediate plate, a left roller is rotatably connected to one end, far away from the intermediate plate, of the left connecting rod, and a right roller is rotatably connected to one end, far away from the intermediate plate, of the right connecting rod; an adjusting and positioning assembly is arranged between the left connecting rod and the right connecting rod; an adjusting screw is arranged at the upper end of the middle plate, an adjusting plate is connected onto the adjusting screw in a sliding mode, a front side plate extending downwards is arranged at the front end of the adjusting plate, and a rear side plate extending downwards is arranged at the rear end of the adjusting plate; the lower ends of the front side plate and the rear side plate are fixedly provided with push plates; the adjusting screw is in threaded connection with an adjusting nut; a positioning assembly with adjustable position is arranged between the lower ends of the front side plate and the rear side plate; the butt joint device is simple in structure and can quickly realize butt joint of the two flanges.

Description

Pipeline flange interfacing apparatus for hydraulic engineering

Technical Field

The invention belongs to the technical field of hydraulic engineering, and particularly relates to a pipeline flange butt joint device for hydraulic engineering and a working method thereof.

Background

During the construction of laying of hydraulic engineering pipeline, often need use the flange to connect each pipeline, because the deformation of pipeline and the error when flange mounting, often there is the deviation in height when leading to the butt joint of pipeline, lead to the unable alignment of flange interface, unable construction bolt's problem, and when the manual work docks the ring flange, waste time and energy, the butt joint speed is slow, causes the construction difficulty, the longer scheduling problem of time limit for a project.

Disclosure of Invention

The invention aims to provide a pipeline flange butt joint device for hydraulic engineering, which is simple in structure and can quickly realize butt joint of two flanges.

In order to achieve the purpose, the invention provides the following technical scheme:

a pipeline flange butt joint device for hydraulic engineering comprises a middle plate, wherein a left connecting rod is hinged to the left side of the middle plate, a right connecting rod is hinged to the right side of the middle plate, a left roller is rotatably connected to one end, far away from the middle plate, of the left connecting rod, and a right roller is rotatably connected to one end, far away from the middle plate, of the right connecting rod; an adjusting and positioning assembly for driving the left connecting rod and the right connecting rod to respectively reversely move around the middle plate is arranged between the left connecting rod and the right connecting rod; an adjusting screw is arranged at the upper end of the middle plate along the direction perpendicular to the middle plate, an adjusting plate is connected onto the adjusting screw in a sliding mode, a front side plate extending downwards is arranged at the front end of the adjusting plate, a rear side plate extending downwards is arranged at the rear end of the adjusting plate, a front sliding groove is formed in the front side plate along the length direction of the front side plate, a rear sliding groove is formed in the rear side plate along the length direction of the rear side plate, a front convex column extending into the front sliding groove is arranged on the front side of the middle plate, and a rear convex column extending into the rear sliding groove is arranged on the rear side of the middle plate; the lower ends of the front side plate and the rear side plate are fixedly provided with push plates, and the push plates are positioned below the middle plate; an adjusting nut is in threaded connection with the adjusting screw above the adjusting plate, and the adjusting nut is rotated to drive the adjusting plate to move downwards along the adjusting screw; and a positioning assembly with an adjustable position is arranged at the position of the push plate between the lower ends of the front side plate and the rear side plate.

Furthermore, the adjusting and positioning assembly comprises a transmission screw rod, the left connecting rod is rotatably connected with a left thread block at a position close to the middle plate, the right connecting rod is rotatably connected with a right thread block at a position close to the middle plate, the transmission screw rod is positioned between the left thread block and the right thread block, a convex shoulder is arranged in the middle of the transmission screw rod, the transmission screw rod is provided with a left-handed thread section at the left side of the convex shoulder and a right-handed thread section at the right side of the convex shoulder, the left-handed thread section is in threaded connection with the left thread block, and the right-handed thread section is in threaded connection with the right thread block; the left thread block and the right thread block are driven to move reversely when the transmission screw rotates; the lower end of the middle plate is provided with a lug extending downwards, a middle limiting groove for the convex shoulder to extend into is arranged in the lug, and a left limiting groove for the left-handed thread section to extend into and a right limiting groove for the right-handed thread section to extend into are arranged in the lug.

Further, the left connecting rod comprises a left front plate, a left rear plate and a left transverse plate positioned between the left front plate and the left rear plate; the left side gyro wheel rotates to be connected between the lower extreme of left front bezel and left back plate, the left end of intermediate lamella is located between the upper end of left front bezel and left back plate, the left-hand thread piece rotates to be connected between left front bezel and left back plate and is located the top of left diaphragm.

Further, the right connecting rod comprises a right front plate, a right rear plate and a right transverse plate positioned between the right front plate and the right rear plate; the right roller is rotatably connected between the lower ends of the right front plate and the right rear plate, the right end of the middle plate is located between the upper ends of the right front plate and the right rear plate, and the right thread block is rotatably connected between the right front plate and the right rear plate and located above the right transverse plate.

Further, locating component includes the locating frame, the locating frame cup joints curb plate and posterior lateral plate lower extreme in the front, the front end of locating frame is equipped with preceding flange, rear end and is equipped with the back flange, be equipped with preceding adjustment tank on the preceding flange, be equipped with back adjustment tank on the back flange, the fixed preceding positioning screw who stretches out preceding adjustment tank that is equipped with on the preceding curb plate, threaded connection has preceding positioning nut on the preceding positioning screw, the fixed back positioning screw who stretches out back adjustment tank that is equipped with on the posterior lateral plate, threaded connection has back positioning nut on the back positioning screw.

Furthermore, the front end of the positioning frame is provided with a front notch, and the rear end of the positioning frame is provided with a rear notch.

The invention discloses a working method of a pipeline flange butting device for hydraulic engineering, which comprises the following steps of:

rotating a transmission screw, opening a left connecting rod and a right connecting rod, placing a butting device on a first flange and a second flange which need to be butted with the left connecting rod and the right connecting rod, rotating the transmission screw reversely to drive the left connecting rod and the right connecting rod to be closed, and placing the first flange and the second flange which need to be aligned between the left connecting rod and the right connecting rod;

step two, controlling a push plate to be attached to the outer side of the circumference of the first flange, enabling a left roller and a right roller to be closely attached to the outer side of the circumference of the second flange, controlling a butting device to rotate by taking the second flange as an axis, enabling the push plate to be attached to the outer side of the circumference of the first flange all the time in the rotating process, and when the shortest length of an adjusting screw extending out of an adjusting plate is observed, enabling the position to be located on a connecting line of two circle centers, rotating an adjusting nut to push the push plate to tightly prop the first flange through the adjusting plate, a front side plate and a rear side plate, and adjusting a positioning frame downwards to enable the left side and the right side of a fixing frame to be closely attached to the first flange;

rotating the adjusting nut, wherein the adjusting nut is pushed to move downwards by the aid of the matching of the adjusting screw and the adjusting nut, and the front side plate and the rear side plate are fixedly connected with the push plate when the adjusting plate moves downwards, so that the push plate pushes the first flange downwards until the edge of the first flange is contacted with the left roller and the right roller, the first flange is aligned with the second flange right at the moment, and bolt holes in the first flange are not interfered;

and fourthly, installing bolts in bolt holes of the first flange and the second flange, screwing the bolts, rotating the transmission screw to control the left connecting rod and the right connecting rod to be separated, and taking out the butting device.

Advantageous effects

Compared with the prior art, the technical scheme of the invention has the following advantages:

(1) the number of parts is small, the structure is simple, and the cost is low;

(2) the installation is convenient, the operation is simple, and the operation is convenient and quick;

(3) the adjusting screw rod and the adjusting nut are controlled through thread transmission, so that the operation is easy, and the labor is saved.

Drawings

FIG. 1 is a block diagram of the present invention;

FIG. 2 is a block diagram of the present invention as mounted on a first flange and a second flange;

FIG. 3 is a rear view of the present invention;

FIG. 4 is a left side view of the present invention;

FIG. 5 is a cross-sectional view of the present invention;

FIG. 6 is a cross-sectional view taken along the line A-A of the present invention;

FIG. 7 is a rear view of the present invention mounted on a first flange and a second flange

FIG. 8 is a left side view of the present invention mounted on a first flange and a second flange;

FIG. 9 is a rear view of the working state of the present invention;

FIG. 10 is a rear view of the invention at work;

FIG. 11 is a left side view of the invention as it completes operation;

fig. 12 is a connection structure view of the intermediate plate and the left and right links according to the present invention.

Detailed Description

Referring to fig. 1-12, a pipe flange docking device for hydraulic engineering includes amiddle plate 1, a left connectingrod 2a is hinged to the left side of themiddle plate 1, and a right connectingrod 2b is hinged to the right side of themiddle plate 1, the left connectingrod 2a is rotatably connected to aleft roller 4a at one end far away from themiddle plate 1, and the right connectingrod 2b is rotatably connected to aright roller 4b at one end far away from themiddle plate 1; an adjusting and positioning assembly for driving the left connectingrod 2a and the right connectingrod 2b to respectively reversely move around themiddle plate 1 is arranged between the left connectingrod 2a and the right connectingrod 2 b; an adjusting screw rod 1a is arranged at the upper end of themiddle plate 1 along the direction vertical to themiddle plate 1, anadjusting plate 61 is connected on the adjusting screw rod 1a in a sliding manner, afront side plate 62 extending downwards is arranged at the front end of theadjusting plate 61, arear side plate 6 extending downwards is arranged at the rear end of the adjustingplate 61, a front slidinggroove 6b is arranged on thefront side plate 62 along the length direction of the front side plate, a rear slidinggroove 6a is arranged on therear side plate 6 along the length direction of the rear side plate, afront convex column 1c extending into thefront sliding groove 6b is arranged at the front side of themiddle plate 1, and arear convex column 1b in the rear slidinggroove 6a is arranged at the rear side of themiddle plate 1; the lower ends of thefront side plate 62 and therear side plate 6 are fixedly provided with a push plate 11, and the push plate 11 is positioned below themiddle plate 1; an adjustingnut 9 is in threaded connection with the adjusting screw 1a above the adjustingplate 61, and the adjustingnut 9 is rotated to drive the adjustingplate 61 to move downwards along the adjusting screw 1 a; a positioning assembly with adjustable position is arranged between the lower ends of thefront side plate 62 and therear side plate 6 at the push plate 11.

The adjusting and positioning assembly comprises atransmission screw rod 3, the left connectingrod 2a is rotatably connected with aleft thread block 7a at a position close to themiddle plate 1, the right connectingrod 2b is rotatably connected with aright thread block 7b at a position close to themiddle plate 1, thetransmission screw rod 3 is positioned between theleft thread block 7a and theright thread block 7b, aconvex shoulder 31 is arranged in the middle of thetransmission screw rod 3, thetransmission screw rod 3 is provided with a left-handed thread section 3a at the left side of theconvex shoulder 31 and a right-handed thread section 3b at the right side of theconvex shoulder 31, the left-handed thread section 3a is in threaded connection with theleft thread block 7a, and the right-handed thread section 3b is in threaded connection with theright thread block 7 b; when thetransmission screw rod 3 rotates, theleft thread block 7a and theright thread block 7b are driven to move reversely; the lower end of themiddle plate 1 is provided with alug 111 extending downwards, a middle limitinggroove 11a for the convex shoulder to extend into, a left limiting groove 11b for the left-handed thread section to extend into and a right limitinggroove 11c for the right-handed thread section to extend into are arranged in thelug 111; this arrangement can prevent theleft link 2a and theright link 2b from synchronously rotating leftward or rightward.

Theleft link 2a comprises a left front plate 2a1 and a left rear plate 2a2, and a left cross plate 2a3 located between the left front plate 2a1 and the leftrear plate 2a 2; theleft roller 4a is rotatably connected between the lower ends of the left front plate 2a1 and the left rear plate 2a2, the left end of themiddle plate 1 is located between the upper ends of the left front plate 2a1 and the left rear plate 2a2, and theleft screw block 7a is rotatably connected between the left front plate 2a1 and the left rear plate 2a2 and located above theleftcross plate 2a 3. Theright link 2b comprises a right front plate 2b1 and a right rear plate 2b2, and a right cross plate 2b3 located between the right front plate 2b1 and the rightrear plate 2b 2; theright roller 4b is rotatably connected between the lower ends of the right front plate 2b1 and the right rear plate 2b2, the right end of themiddle plate 1 is positioned between the upper ends of the right front plate 2b1 and the right rear plate 2b2, and theright thread block 7b is rotatably connected between the right front plate 2b1 and the right rear plate 2b2 and is positioned above the righttransverse plate 2b 3.

Positioning assembly includes locatingframe 5b, locatingframe 5b cupjoints curb plate 62 and the 6 lower extremes of posterior lateral plate in the front, the front end of locatingframe 5b is equipped with preceding flange 5c, the rear end is equipped withback flange 5, be equipped with preceding adjustment tank 5d on the preceding flange 5c, be equipped withback adjustment tank 5a on theback flange 5, fixed preceding positioning screw 64 who stretches out preceding adjustment tank 5d that is equipped with on the precedingcurb plate 62, threaded connection has precedingpositioning nut 81 on the preceding positioning screw 64, fixedback positioning screw 63 who stretches out backadjustment tank 5a that is equipped with on the posteriorlateral plate 6, threaded connection hasback positioning nut 8 on theback positioning screw 63. The front end of thepositioning frame 5b is provided with afront notch 51, and the rear end is provided with arear notch 52.

The invention relates to a working method of a pipeline flange butting device for hydraulic engineering, which comprises the following steps of:

step one, rotating atransmission screw 3, opening a left connectingrod 2a and a right connectingrod 2b through the matching of a left thread section and aleft thread block 7a and the matching of a right thread section and aright thread block 7b when the transmission screw 3 rotates, placing a butt joint device on afirst flange 10a and asecond flange 10b which need to be aligned, reversely rotating thetransmission screw 3 to drive the left connectingrod 2a and the right connectingrod 2b to be closed, and placing thefirst flange 10a and thesecond flange 10b which need to be aligned between the left connectingrod 2a and the right connectingrod 2 b;

secondly, controlling a push plate 11 to be attached to the outer side of the circumference of afirst flange 10a, controlling aleft roller 4a and aright roller 4b to be attached to the outer side of the circumference of asecond flange 10b, controlling a butting device to rotate by taking thesecond flange 10b as an axis, always attaching the push plate 11 to the outer side of the circumference of thefirst flange 10a in the rotating process, and rotating an adjustingnut 9 to push the push plate 11 to tightly prop thefirst flange 10a through anadjusting plate 61, afront side plate 62 and arear side plate 6 on a connection line of two circle centers when the shortest length of the adjusting screw 1a extending out of the adjustingplate 61 is observed; at this time, the frontpositioning screw cap 81 and the rearpositioning screw cap 8 are unscrewed, thepositioning frame 5b is adjusted downwards, the left side and the right side of the fixing frame are tightly attached to thefirst flange 10a, and then the frontpositioning screw cap 81 and the rearpositioning screw cap 8 are screwed;

rotating the adjustingnut 9, wherein the adjustingnut 9 pushes the adjustingplate 61 to move downwards due to the matching of the adjusting screw 1a and the adjustingnut 9, and when the adjustingplate 61 moves downwards, the push plate 11 pushes thefirst flange 10a downwards due to the fixed connection of thefront side plate 62 and therear side plate 6 with the push plate 11 until the edge of thefirst flange 10a contacts with theleft roller 4a and theright roller 4b, and at the moment, thefirst flange 10a is aligned with thesecond flange 10b, and bolt holes in the first flange are not interfered;

and step four, mounting bolts in bolt holes of thefirst flange 10a and thesecond flange 10b, screwing the bolts, rotating thetransmission screw 3 to control the left connectingrod 2a and the right connectingrod 2b to be separated, and taking out the butting device.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (2)

1. A pipeline flange butt joint device for hydraulic engineering is characterized by comprising an intermediate plate, wherein a left connecting rod is hinged to the left side of the intermediate plate, a right connecting rod is hinged to the right side of the intermediate plate, a left roller is rotatably connected to one end, far away from the intermediate plate, of the left connecting rod, and a right roller is rotatably connected to one end, far away from the intermediate plate, of the right connecting rod; an adjusting and positioning assembly for driving the left connecting rod and the right connecting rod to respectively reversely move around the middle plate is arranged between the left connecting rod and the right connecting rod; an adjusting screw is arranged at the upper end of the middle plate along the direction perpendicular to the middle plate, an adjusting plate is connected onto the adjusting screw in a sliding mode, a front side plate extending downwards is arranged at the front end of the adjusting plate, a rear side plate extending downwards is arranged at the rear end of the adjusting plate, a front sliding groove is formed in the front side plate along the length direction of the front side plate, a rear sliding groove is formed in the rear side plate along the length direction of the rear side plate, a front convex column extending into the front sliding groove is arranged on the front side of the middle plate, and a rear convex column extending into the rear sliding groove is arranged on the rear side of the middle plate; the lower ends of the front side plate and the rear side plate are fixedly provided with push plates, and the push plates are positioned below the middle plate; an adjusting nut is in threaded connection with the adjusting screw above the adjusting plate, and the adjusting nut is rotated to drive the adjusting plate to move downwards along the adjusting screw; a positioning assembly with an adjustable position is arranged between the lower ends of the front side plate and the rear side plate at the push plate;

the adjusting and positioning assembly comprises a transmission screw rod, the left connecting rod is rotatably connected with a left thread block at a position close to the middle plate, the right connecting rod is rotatably connected with a right thread block at a position close to the middle plate, the transmission screw rod is positioned between the left thread block and the right thread block, a convex shoulder is arranged in the middle of the transmission screw rod, the transmission screw rod is provided with a left-handed thread section at the left side of the convex shoulder and a right-handed thread section at the right side of the convex shoulder, the left-handed thread section is in threaded connection with the left thread block, and the right-handed thread section is in threaded connection with the right thread block; the left thread block and the right thread block are driven to move reversely when the transmission screw rotates; the lower end of the middle plate is provided with a lug extending downwards, and a middle limiting groove for the convex shoulder to extend into, a left limiting groove for the left-handed thread section to extend into and a right limiting groove for the right thread section to extend into are arranged in the lug;

the left connecting rod comprises a left front plate, a left rear plate and a left transverse plate positioned between the left front plate and the left rear plate; the left idler wheel is rotatably connected between the lower ends of the left front plate and the left rear plate, the left end of the middle plate is positioned between the upper ends of the left front plate and the left rear plate, and the left thread block is rotatably connected between the left front plate and the left rear plate and positioned above the left transverse plate; the right connecting rod comprises a right front plate, a right rear plate and a right transverse plate positioned between the right front plate and the right rear plate; the right roller is rotatably connected between the lower ends of the right front plate and the right rear plate, the right end of the middle plate is positioned between the upper ends of the right front plate and the right rear plate, and the right thread block is rotatably connected between the right front plate and the right rear plate and positioned above the right transverse plate;

the locating component comprises a locating frame, the locating frame is sleeved at the lower end of the front side plate and the lower end of the rear side plate, the front end of the locating frame is provided with a front convex plate, the rear end of the locating frame is provided with a rear convex plate, a front adjusting groove is formed in the front convex plate, a rear adjusting groove is formed in the rear convex plate, a front locating screw rod extending out of the front adjusting groove is fixedly arranged on the front side plate, a front locating nut is connected to the front locating screw rod through threads, a rear locating screw rod extending out of the rear adjusting groove is fixedly arranged on the rear side plate, and a rear locating nut is connected to the rear locating screw rod through threads.

2. The pipe flange butting device for water conservancy projects according to claim 1, wherein a front notch is formed in the front end of the positioning frame, and a rear notch is formed in the rear end of the positioning frame.

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