CN216920049U - Prefabricated bridge pipe drawbench - Google Patents

Abstract

The application relates to the field of bridge construction equipment, in particular to a prefabricated bridge pipe drawing bench; comprises a support frame body, a propping assembly and a driving assembly; the abutting component comprises a bearing rod, a plurality of flexible abutting plates, a fixed rod and an adjusting piece; the bearing rod is arranged on the support frame body through the driving assembly; the bearing rod is connected with the support frame body in a sliding way; one end of the fixed rod is connected to the bearing rod in a sliding manner, and the axial direction of the fixed rod is vertical to the axial direction of the bearing rod; the flexible butt plate is arranged at the other end of the fixed rod; the adjusting piece is used for driving the fixing rod to move; the driving assembly is used for driving the bearing rod to move in the bridge pipe; the adjusting part is started, the adjusting part orders about the movement of the fixing rod, the movement of the fixing rod enables the flexible abutting plate to move, the flexible abutting plate is tightly attached to the inner wall of the prefabricated pipe, the prefabricated pipe is extracted by the aid of the driving assembly, accordingly, the prefabricated pipe with different calibers can be pulled out, and the efficiency of pipe drawing operation is effectively improved.

Description

Prefabricated bridge pipe drawbench

Technical Field

The application relates to the field of bridge construction equipment, in particular to a prefabricated bridge pipe drawing bench.

Background

In the construction process of a bridge, threading operation is often required to be carried out on the bridge to ensure that the prestress of the bridge is formed, so that a rubber pipe is also pre-embedded in the bridge construction, and the pre-embedded rubber pipe is used for bridge threading; after the bridge construction is completed, in order to ensure the overall quality of the bridge, the pre-buried rubber pipes need to be pulled out.

The patent document with application number 202120004960.0 discloses a hydraulic pipe drawing bench with an adjusting function; including body frame and overcoat, body frame top middle part integrated into one piece has the base, and the twisting of base top has closed the fixed column, and the fixed column outer wall is dug there is the frictional layer, and the fixed column top is punched and is attacked the tooth and have the screw, and the inside twisting of screw has closed fixing stud, fixing stud top fixedly connected with platform, and platform top integrated into one piece has cylindric joint pipe, and joint pipe top integrated into one piece has the joint of screw thread form.

With respect to the related art in the above, the inventors consider that: when extracting the pipeline through hydraulic pressure drawbench, when to different bore pipelines, need to change not unidimensional joint, and different in the face of the pipeline bore in the tube drawing operation, need constantly carry out the dismantlement of joint and change, and then lead to reducing the efficiency of tube drawing operation.

SUMMERY OF THE UTILITY MODEL

In order to improve the efficiency of tube drawing operation, this application provides a prefabricated bridge pipe drawbench.

The application provides a pair of prefabricated bridge pipe drawbench adopts following technical scheme:

a prefabricated bridge pipe drawbench comprises a support frame body, a propping assembly and a driving assembly; the abutting assembly comprises a bearing rod, a plurality of flexible abutting plates, a fixed rod and an adjusting piece; the bearing rod is arranged on the support frame body through the driving assembly; the bearing rod is connected with the support frame body in a sliding manner; one end of the fixed rod is connected to the bearing rod in a sliding mode, and the axial direction of the fixed rod is perpendicular to the axial direction of the bearing rod; the flexible butt plate is arranged at the other end of the fixed rod; the adjusting piece is used for driving the fixing rod to move, the fixing rod moves to apply force to the flexible abutting plate, and the flexible abutting plate abuts against the inner wall of the bridge pipe; the driving assembly is used for driving the bearing rod to move in the bridge pipe.

By adopting the technical scheme, when the prefabricated pipe of the bridge needs to be pulled out, the support frame body is moved to the position of the bridge pipe, the driving assembly is adjusted, the driving assembly drives the bearing rod to move, the bearing rod extends into the prefabricated pipe, the adjusting piece is started, the adjusting piece drives the fixed rod to move on the bearing rod, the fixed rod moves, the fixed rod drives the flexible abutting plate to move, the flexible abutting plate is tightly attached to the inner wall of the bridge pipe, the driving assembly is started, the driving assembly drives the bearing rod to move, the bridge pipe is pulled out, and the prefabricated bridge pipe is pulled out; through starting the regulating part, the regulating part orders about the dead lever motion, and the motion of dead lever makes the motion of flexible butt joint board, and flexible butt joint board pastes tightly with prefabricated intraductal wall, and cooperation drive assembly will prefabricate the pipe and extract to can realize the pull-out to the prefabricated pipe of different internal diameters, the effectual efficiency that improves the tube drawing operation.

Optionally, the adjusting member comprises a first cylinder; the first cylinder base is arranged on the bearing rod, and a piston rod of the first cylinder is connected with the fixed rod; the axial direction of the first cylinder piston rod is the same as the axial direction of the fixed rod.

By adopting the technical scheme, the driving assembly is adjusted, drives the bearing rod to extend into the prefabricated pipe, the first air cylinder is started, the piston rod of the first air cylinder drives the fixed rod to move, the fixed rod drives the flexible abutting plate to be close to the inner wall of the prefabricated pipe, and the flexible abutting plate abuts against the inner wall of the prefabricated pipe; through the first cylinder of drive, first cylinder drives the motion of dead lever, and the motion of dead lever makes the flexibility support tight board and is close to prefabricated intraductal wall, and then realizes that the flexibility supports tight pipe and prefabricated intraductal wall and supports tightly.

Optionally, the driving assembly includes a fixed table and a second cylinder; the fixed station is arranged on the support frame body; the base of the second cylinder is arranged on the fixed table, and a piston rod of the second cylinder is connected with the bearing rod; the axial direction of the second cylinder piston rod is the same as the axial direction of the bearing rod.

By adopting the technical scheme, when the pipe needs to be pulled out, the second cylinder is driven to move, and the piston rod of the second cylinder drives the bearing rod to enter the prefabricated pipe; when the pipe needs to be pulled out, the second cylinder is driven to move, and a piston rod of the second cylinder drives the bearing rod to move so as to pull out the prefabricated pipe; through adjusting the second cylinder, the second cylinder drives the carrier bar motion to the realization stretches into the carrier bar in the prefabricated pipe, and then realizes extracting the prefabricated pipe from the hole.

Optionally, the driving assembly further comprises a limiting table; the limiting table is arranged on one side, close to the support frame body, of the bearing rod and is arranged along the length direction of the bearing rod; a limiting groove matched with the limiting table is formed in the bearing support; the limiting table extends into the limiting groove and is connected with the support frame body in a sliding mode.

By adopting the technical scheme, the second cylinder moves, the second cylinder drives the bearing rod moving rod, and the bearing rod moves to drive the limiting table to move in the limiting groove; through the motion of carrier bar for spacing platform moves at spacing inslot, makes the carrier bar along self length direction motion, prevents when extracting prefabricated pipe, and the carrier bar slope causes prefabricated pipe to damage in the hole, and the completion of effectual assurance prefabricated pipe is in order to be equipped with later stage cyclic utilization.

Optionally, the lifting device further comprises a lifting assembly for driving the carrying rod to move; the lifting assembly comprises a screw rod, a lifting plate and a power part; the lifting plate is in threaded connection with the screw rod, and the length direction of the lifting plate is perpendicular to the axial direction of the screw rod; the power part is used for driving the lifting plate to move along the vertical direction of the screw rod.

By adopting the technical scheme, the power part is adjusted, the power part drives the screw rod to move, the screw rod drives the lifting plate arranged on the screw rod to move, the lifting plate drives the support frame body to move, and the bearing rod is lifted or lowered; through adjusting the power piece, the power piece drives the lead screw motion, realizes sliding of lifter plate in the vertical direction of lead screw, and then realizes the lift with the carrier bar for the tube drawing machine can be to higher bridge hole tube drawing, takes place unsafe accident when preventing simultaneously that the staff eminence tube drawing from happening.

Optionally, the power component includes a fixing frame and a stepping motor; the fixed frame is arranged on the support frame body; the base of the stepping motor is arranged on the fixing frame, and the output shaft of the stepping motor is coaxially connected with the screw rod; the output shaft of the stepping motor is the same as the screw rod in the axial direction.

By adopting the technical scheme, the stepping motor is adjusted to rotate, and the rotation of the stepping motor drives the screw rod to rotate; through adjusting step motor, step motor rotates and drives the lead screw and rotate, realizes the lift to supporting the support body.

Optionally, a friction pad is also included; the friction pad is arranged on one side, far away from the fixed rod, of the flexible abutting plate.

By adopting the technical scheme, the first cylinder drives the flexible abutting plate to abut against the inner wall of the prefabricated pipe, and the friction pad is close to the inner wall of the prefabricated pipe; the friction pad of design has increased the frictional force of flexible butt joint board and prefabricated intraductal wall for pull out the prefabricated pipe in the bridge hole more easily.

Optionally, the support frame further comprises a pulley convenient for the support frame to move; the pulleys are arranged on one side, close to the ground, of the support frame body.

By adopting the technical scheme, the support frame body is moved to the next bridge hole needing pipe drawing, the pulley slides on the ground, and the support frame body is moved to the designated position; the pulley of design is convenient for will support the support frame body and remove to next bridge hole department and carry out the tube drawing operation, the effectual tube drawing efficiency that improves prefabricated pipe.

In summary, the present application includes at least one of the following beneficial technical effects:

1. according to the pipe drawing device, the first air cylinder is started, the first air cylinder drives the fixed rod to move, the movement of the fixed rod enables the flexible abutting plate to move, the flexible abutting plate is tightly attached to the inner wall of the prefabricated pipe, and the prefabricated pipe is drawn out in a matching mode through the driving assembly, so that the prefabricated pipes with different inner diameters can be drawn out, and the pipe drawing efficiency is effectively improved;

2. according to the prefabricated pipe drawing device, the limiting table moves in the limiting groove through the movement of the bearing rod, so that the bearing rod moves along the length direction of the bearing rod, the prefabricated pipe is prevented from being damaged in a hole due to the fact that the bearing rod inclines when the prefabricated pipe is drawn out, and the completeness of the prefabricated pipe is effectively guaranteed for later-period cyclic utilization;

3. this application is through adjusting step motor, and step motor drives the screw motion, realizes the lifter plate at the slip of the vertical direction of lead screw, and then realizes the lift with the carrier bar for the tube drawing machine can prevent to take place unsafe accident when staff eminence tube drawing simultaneously to higher building hole tube drawing.

Drawings

Fig. 1 is a schematic overall structure diagram of a prefabricated bridge pipe drawing bench according to an embodiment of the present application;

FIG. 2 is a cross-sectional view of a prefabricated bridge pipe drawbench according to an embodiment of the present disclosure;

fig. 3 is an enlarged view of a portion a of fig. 2.

Reference numerals: 1. a support frame body; 11. a limiting groove; 2. a propping component; 21. a carrier bar; 211. a limiting table; 22. a flexible butt plate; 221. a friction pad; 23. a fixing rod; 24. a first cylinder; 3. a drive assembly; 31. a fixed table; 32. a second cylinder; 4. a lifting assembly; 41. a screw rod; 42. a lifting plate; 43. a power member; 431. a fixed mount; 432. a stepping motor; 5. a pulley.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses prefabricated bridge pipe drawbench.

Referring to fig. 1, the prefabricated bridge pipe drawbench comprises a support frame body 1, a pulley 5, a tightening assembly 2, a driving assembly 3 and a lifting assembly 4; the support frame body 1 consists of a bearing plate, a strut and a placing table; the bearing plate is arranged at a position close to the supporting surface, the supporting columns are vertically welded at the positions of the bearing plate and the supporting surface, the number of the supporting columns is four in the embodiment of the application, the four supporting columns are welded at four corners of the bearing plate, and the placing table is arranged right above the bearing plate; the pulleys 5 are arranged on one side, close to the ground, of the bearing plate, the number of the pulleys 5 is four, the four pulleys 5 are arranged at four corners of the support frame body 1, and the designed pulleys 5 are convenient for moving the support frame body 1; the abutting component 2 is installed on the support frame body 1 through the driving component 3, and the abutting component 2 is used for abutting against the inner wall of the prefabricated pipe; the driving component 3 is used for extending the fastening component 2 in and out; lifting unit 4 installs on the loading board, and lifting unit 4 is used for rising or reducing supporting component, is convenient for extract the prefabricated pipe of not co-altitude bridge.

Referring to fig. 2 and 3, the abutting assembly 2 includes a bearing rod 21, a plurality of flexible abutting plates 22, a fixing rod 23, a friction pad 221 and a regulating member; the bearing rod 21 is arranged on the support frame body 1 through the driving component 3; the bearing rod 21 is connected with the support frame body 1 in a sliding way; one end of the fixed rod 23 is slidably connected to the bearing rod 21, and the axial direction of the fixed rod 23 is perpendicular to the axial direction of the bearing rod 21; the flexible abutting plates 22 are bonded to the other ends of the fixing rods 23 through adhesives, the number of the flexible abutting plates 22 can be two, three or four, and all that is needed is to realize abutting action on the inner wall of the prefabricated pipe, the number of the flexible abutting plates 22 in the embodiment of the application is three, and the three flexible abutting plates 22 are arranged in an equilateral triangle shape, so that the inner wall of the prefabricated pipe can be uniformly stressed, damage to the prefabricated pipe when the prefabricated pipe is pulled out is reduced, and the cross section of each flexible abutting plate 22 is arranged in an arc shape; the adjusting piece is used for driving the fixing rod 23 to move, the fixing rod 23 moves to apply force to the flexible abutting plate 22, and the flexible abutting plate 22 abuts against the inner wall of the bridge pipe; the driving assembly 3 is used for driving the bearing rod 21 to move in the bridge pipe; the friction pad 221 is adhered to one side of the flexible abutting plate 22 away from the fixing rod 23; the friction pad 221 increases the friction force of the flexible abutting plate 22 with the inner wall of the prefabricated pipe, so that the prefabricated pipe is more easily pulled out.

Referring to fig. 3, the adjuster includes a first cylinder 24; the base of the first air cylinder 24 is welded on the bearing rod 21, and the piston rod of the first air cylinder 24 is connected with the fixed rod 23; the axial direction of the piston rod of the first cylinder 24 is the same as that of the fixing rod 23; the number of the first cylinders 24 in the embodiment of the present application is three, and the positions of the three first cylinders 24 correspond to the positions of the flexible abutting plates 22.

Referring to fig. 1 and 2, the driving assembly 3 includes a fixing table 31, a second cylinder 32, and a limit table 211; the fixed tables 31 are welded on the placing table, the length direction of the fixed tables 31 is perpendicular to the axial direction of the bearing rod 21, and the number of the fixed tables 31 is two; the base of the second cylinder 32 is welded on the fixed table 31, and the piston rod of the second cylinder 32 is fixedly connected with the bearing rod 21; the axial direction of the piston rod of the second air cylinder 32 is the same as that of the bearing rod 21; the limiting table 211 is welded on one side of the bearing rod 21 close to the support frame body 1, and the limiting table 211 is arranged along the length direction of the bearing rod 21; a limiting groove 11 matched with the limiting table 211 is formed on the bearing frame body 1; the limiting table 211 extends into the limiting groove 11, and the limiting table 211 is connected with the support frame body 1 in a sliding manner; the designed limiting table 211 and the limiting groove 11 ensure that the bearing rod 21 is in a horizontal state when moving, and prevent the bearing rod 21 from deviating to damage the pulled prefabricated pipe when the bearing rod 21 moves.

Referring to fig. 2, the lifting assembly 4 includes a screw 41, a lifting plate 42, and a power member 43; the lifting plate 42 is in threaded connection with the screw rod 41, and the length direction of the lifting plate 42 is vertical to the axial direction of the screw rod 41; the lifting plate 42 penetrates through the upright post, and the lifting plate 42 is connected with the upright post in a sliding manner; the power member 43 is used for driving the lifting plate 42 to move along the vertical direction of the screw rod 41.

Referring to fig. 2, the power member 43 includes a fixing frame 431 and a stepping motor 432; the fixing frame 431 is welded on one side of the bearing plate close to the supporting surface; the base of the stepping motor 432 is mounted on the fixing frame 431 through a bolt, and the output shaft of the stepping motor 432 is coaxially connected with the screw rod 41 through a coupler; the output shaft of the stepping motor 432 is the same as the axial direction of the screw rod 41; the fixing frame 431 wraps the stepping motor 432, and the stepping motor 432 is effectively protected.

The implementation principle of a prefabricated bridge pipe drawbench of the embodiment of the application is as follows: when the bridge prefabricated pipe needs to be pulled out of the hole, the support frame body 1 is moved to the hole of the bridge, the second air cylinder 32 is adjusted, the second air cylinder 32 drives the bearing rod 21 to extend into the prefabricated pipe, the bearing rod 21 moves to drive the limiting table 211 to slide in the limiting groove 11, after the bearing rod 21 reaches a designated position, the first air cylinder 24 is adjusted, the first air cylinder 24 drives the fixing rod 23 to move, the fixing rod 23 drives the flexible abutting plate 22 and the friction pad 221 to abut against the inner wall of the prefabricated pipe, the second air cylinder 32 is adjusted, the second air cylinder 32 drives the bearing rod 21 to move, the bearing rod 21 moves to drive the limiting table 211 to slide in the limiting groove 11, the bearing rod 21 moves outwards of the hole, and the prefabricated pipe is pulled out; when the prefabricated pipe drawing of higher bridge opening needs to be carried out, step motor 432 is adjusted, step motor 432 orders about lead screw 41 to move, and lead screw 41 drives lifter plate 42 to move for support frame body 1 moves to higher position, and the prefabricated pipe drawing operation of bridge to higher department.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a prefabricated bridge pipe drawbench which characterized in that: comprises a support frame body (1), a propping component (2) and a driving component (3); the abutting component (2) comprises a bearing rod (21), a plurality of flexible abutting plates (22), a fixing rod (23) and an adjusting piece; the bearing rod (21) is arranged on the support frame body (1) through the driving assembly (3); the bearing rod (21) is connected with the support frame body (1) in a sliding manner; one end of the fixed rod (23) is connected to the bearing rod (21) in a sliding mode, and the axial direction of the fixed rod (23) is perpendicular to the axial direction of the bearing rod (21); the flexible abutting plate (22) is arranged at the other end of the fixing rod (23); the adjusting piece is used for driving the fixing rod (23) to move, the fixing rod (23) moves to apply force to the flexible abutting plate (22), and the flexible abutting plate (22) abuts against the inner wall of the bridge pipe; the driving assembly (3) is used for driving the bearing rod (21) to move in the bridge pipe.

2. The prefabricated bridge pipe drawbench of claim 1, wherein: the adjusting member comprises a first cylinder (24); the base of the first air cylinder (24) is arranged on the bearing rod (21), and a piston rod of the first air cylinder (24) is connected with the fixing rod (23); the axial direction of the piston rod of the first air cylinder (24) is the same as the axial direction of the fixing rod (23).

3. The prefabricated bridge pipe drawing bench of claim 1, wherein: the driving assembly (3) comprises a fixed table (31) and a second air cylinder (32); the fixed table (31) is arranged on the support frame body (1); the base of a second air cylinder (32) is arranged on the fixed table (31), and a piston rod of the second air cylinder (32) is connected with the bearing rod (21); the axial direction of the piston rod of the second air cylinder (32) is the same as the axial direction of the bearing rod (21).

4. The prefabricated bridge pipe drawbench of claim 1, wherein: the driving assembly (3) further comprises a limiting table (211); the limiting table (211) is arranged on one side, close to the support frame body (1), of the bearing rod (21), and the limiting table (211) is arranged along the length direction of the bearing rod (21); a limiting groove (11) matched with the limiting table (211) is formed in the supporting frame body (1); spacing platform (211) stretch into in spacing groove (11), spacing platform (211) with support body (1) sliding connection.

5. The prefabricated bridge pipe drawing bench of claim 1, wherein: the lifting assembly (4) is used for driving the bearing rod (21) to move; the lifting assembly (4) comprises a screw rod (41), a lifting plate (42) and a power piece (43); the lifting plate (42) is in threaded connection with the screw rod (41), and the length direction of the lifting plate (42) is perpendicular to the axial direction of the screw rod (41); the power piece (43) is used for driving the lifting plate (42) to move along the vertical direction of the screw rod (41).

6. The prefabricated bridge pipe drawbench of claim 5, wherein: the power part (43) comprises a fixed frame (431) and a stepping motor (432); the fixing frame (431) is arranged on the support frame body (1); the base of the stepping motor (432) is arranged on the fixed frame (431), and the output shaft of the stepping motor (432) is coaxially connected with the screw rod (41); the output shaft of the stepping motor (432) is in the same axial direction as the screw rod (41).

7. The prefabricated bridge pipe drawbench of claim 1, wherein: further comprising a friction pad (221); the friction pad (221) is arranged on one side, away from the fixing rod (23), of the flexible abutting plate (22).

8. The prefabricated bridge pipe drawing bench of claim 1, wherein: the pulley (5) is convenient for the support frame body (1) to move; a plurality of pulleys (5) are arranged on one side of the support frame body (1) close to the ground.

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