CN213233116U

CN213233116U - Bridge expansion joint installation adjustment tool

Info

Publication number: CN213233116U
Application number: CN202021168476.3U
Authority: CN
Inventors: 江雷
Original assignee: Longyan Longshun Metal Engineering Co ltd
Current assignee: Longyan Longshun Metal Engineering Co ltd
Priority date: 2020-06-22
Filing date: 2020-06-22
Publication date: 2021-05-18
Anticipated expiration: 2030-06-22

Abstract

The utility model discloses a bridge expansion joint installation adjustment tool belongs to bridge expansion joint technical field, including the jack-up support, bottom one side of jack-up support is fixed with first protecting crust, and the bottom of first protecting crust is fixed with supplementary elevating system, and supplementary elevating system includes motor housing, base, first movable block, first connecting block, first bracing piece, second movable block, second connecting block, second bracing piece, first threaded rod, second threaded rod, motor, backup pad, baffle and gag lever post. The utility model discloses an auxiliary lifting mechanism's function has realized the lifting to the jack-up support to make the jack-up support can fix the steady in the during operation when convenient the removal, the utility model discloses a flexible fixed frame that drives of spring removes, has realized the fixed to expansion joint welding steel sheet, thereby makes things convenient for staff, operation labour saving and time saving.

Description

Bridge expansion joint installation adjustment tool

Technical Field

The utility model belongs to the technical field of the bridge expansion joint, concretely relates to bridge expansion joint installation adjustment tool.

Background

At present, the expansion joint is arranged in a gap between bridge surfaces and beam joints and is mainly used for meeting the requirements of expansion and water resistance, avoiding rainwater to corrode a beam body and the like. The quality of the construction quality of the bridge expansion joint can directly influence the service life and the function of the bridge. If the expansion joint is installed the inaccuracy in two directions of parallel, perpendicular to bridge axis, insecure, can produce when the vehicle goes and jump phenomenons such as car, noise, roughness, the travelling comfort on direct influence road surface, the installing support at current bridge expansion joint carries out the user and can not pinpoint the expansion joint to when promoting the expansion joint, need the manual promotion of operating personnel, waste time and energy.

Although the installation and adjustment tool for the bridge expansion joint, disclosed in the publication No. CN208023404U, realizes accurate positioning of the expansion joint, and does not require manual lifting by an operator in automatic operation, thereby saving time and labor, the installation and adjustment tool for the bridge expansion joint does not solve the problems that the installation and adjustment tool for the bridge expansion joint cannot be conveniently moved when the installation and adjustment tool needs to be moved, and the installation and adjustment tool for the bridge expansion joint is inconvenient to operate when a welding steel plate for the expansion joint is fixed, thereby bringing inconvenience to the operator.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bridge expansion joint installation adjustment tool to solve the problem that proposes in the above-mentioned background art: the device cannot be moved conveniently when it is needed.

In order to achieve the above object, the utility model provides a following technical scheme: including the jack-up support, the inside of jack-up support is equipped with pillar, its characterized in that: the bottom one side of jack-up support is fixed with first protective housing, the bottom inside of first protective housing is fixed with supplementary elevating system:

the auxiliary lifting mechanism comprises a motor shell, a base, a first moving block, a first connecting block, a first supporting rod, a second moving block, a second connecting block, a second supporting rod, a first threaded rod, a second threaded rod, motors, supporting plates, a partition plate and a limiting rod, wherein the supporting plates are fixed at two ends of the surface of the base, the motor shell is fixed at one side of one of the supporting plates, the motors are fixed in the motor shell, a plurality of groups of first threaded rods and second threaded rods with opposite thread turning directions are fixed at the output end of the motors, the first threaded rods and the second threaded rods are separated by the partition plate, the partition plate is fixed on the surface of the base and is rotatably connected with the first threaded rods and the second threaded rods, the second moving block and the first moving block are respectively in threaded connection at the outer sides of the first threaded rods, and the second connecting block and the first connecting block are respectively fixed at the top ends of the second moving block and the first moving block, the inner parts of the second connecting block and the first connecting block are respectively and rotatably connected with a second supporting rod and a first supporting rod, the middle parts of the second supporting rod and the first supporting rod are rotatably connected, a limiting rod is further fixed between the two supporting plates, the limiting rod is in sliding connection with the second moving block and the first moving block of the limiting rod, and the top ends of the second supporting rod and the first supporting rod are in sliding connection with the inner part of the first protective shell.

Preferably, a groove is formed in the middle of the second support rod, and the first support rod penetrates through the second support rod and is connected with the second support rod through a pin.

Preferably, a dovetail groove is formed in the first protection shell, and the first protection shell is connected with the top end of the first supporting rod in a sliding mode through the dovetail groove.

Preferably, four wheels are fixed to the bottom of the lifting bracket.

Preferably, the inside of pillar is provided with a spacing cavity that is used for spacing welding steel sheet, one side of pillar is fixed with fixed frame, one side of fixed frame is fixed with the spring, one side of spring is fixed with the arm-tie, the opposite side of arm-tie and the inside that is located the spring are fixed with the locating lever, the inside of fixed frame and pillar all is provided with the spout, the spout is sliding connection with the locating lever, the locating lever passes through welded connection with the arm-tie.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a supplementary elevating system's function has realized the lifting to the jack-up support to make the jack-up support can fix the holding stability in the during operation when convenient the removal.

2. The utility model discloses a fixed frame of the flexible drive of spring removes, has realized the fixed to expansion joint welding steel sheet to make things convenient for the staff, operation labour saving and time saving.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the overall structure of the auxiliary lifting mechanism of the present invention;

fig. 3 is a schematic structural view of the motor of the present invention;

fig. 4 is a schematic structural view of the fixing frame of the present invention;

fig. 5 is a schematic structural diagram of the spring of the present invention.

In the figure: 1. a hoisting support; 2. a wheel; 3. a first protective case; 4. a motor housing; 5. a base; 6. a first moving block; 7. a first connection block; 8. a first support bar; 9. a second moving block; 10. a second connecting block; 11. a second support bar; 12. a first threaded rod; 13. a second threaded rod; 14. a motor; 15. a support plate; 16. a pillar; 17. a fixing frame; 18. pulling a plate; 19. positioning a rod; 20. a spring; 21. a partition plate; 22. a limiting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution for installing and adjusting a bridge expansion joint: including jack-up support 1, jack-up support 1's internal assembly has pillar 16, and jack-up support 1's bottom one side is fixed with first protective housing 3, and the bottom internal fixation of first protective housing 3 has supplementary elevating system:

the auxiliary lifting mechanism comprises a motor shell 4, a base 5, a first moving block 6, a first connecting block 7, a first supporting rod 8, a second moving block 9, a second connecting block 10, a second supporting rod 11, a first threaded rod 12, a second threaded rod 13, a motor 14, supporting plates 15, a partition plate 21 and a limiting rod 22, wherein the supporting plates 15 are fixed at two ends of the surface of the base 5, the motor shell 4 is fixed at one side of one supporting plate 15, the motor 14 is fixed in the motor shell 4, a plurality of groups of first threaded rods 12 and second threaded rods 13 with opposite thread turning directions are fixed at the output end of the motor 14, the first threaded rods 12 and the second threaded rods 13 are separated by the partition plate 21, the partition plate 21 is fixed on the surface of the base 5 and is rotatably connected with the first threaded rods 12 and the second threaded rods 13, the second moving block 9 and the first moving block 6 are respectively in threaded connection with the outer sides of the first threaded rods 12 and the second threaded rods, a second connecting block 10 and a first connecting block 7 are respectively fixed at the top ends of the second moving block 9 and the first moving block 6, a second supporting rod 11 and a first supporting rod 8 are respectively rotatably connected inside the second connecting block 10 and the first connecting block 7, the middle parts of the second supporting rod 11 and the first supporting rod 8 are rotatably connected, a limiting rod 22 is further fixed between the two supporting plates 15, the limiting rod 22 is slidably connected with the second moving block 9 and the first moving block 6 of the limiting rod 22, the top ends of the second supporting rod 11 and the first supporting rod 8 are slidably connected with the inside of the first protecting shell 3, a dovetail groove is formed inside the first protecting shell 3, the top ends of the first protecting shell 3 and the first supporting rod 8 are slidably connected through the dovetail groove, four wheels 2 are fixed at the bottom of the lifting support 1, through the arrangement of the auxiliary lifting mechanism, when the lifting support 1 works, the wheels 2 are prevented from sliding, the auxiliary lifting mechanism lifts the lifting support 1 and drives the wheels 2 to leave the ground, so that the lifting support 1 is more stable and convenient to work;

a groove is formed in the middle of the second support rod 11, and the first support rod 8 penetrates through the second support rod 11 and is connected with the second support rod 11 through a pin, so that the device is fixed and firmer;

the inside of pillar 16 is provided with a spacing cavity that is used for spacing welding steel sheet, one side of pillar 16 is fixed with fixed frame 17, one side of fixed frame 17 is fixed with spring 20, one side of spring 20 is fixed with arm-tie 18, the opposite side of arm-tie 18 just is located the inside of spring 20 and is fixed with locating lever 19, the inside of fixed frame 17 and pillar 16 all is provided with the spout, the spout is sliding connection with locating lever 19, locating lever 19 passes through welded connection with arm-tie 18, it is more convenient to fixed expansion joint welding steel sheet like this, staff's time has been saved.

The utility model discloses a theory of operation and use flow: the device is connected with an external power supply, when the wheels 2 drive the lifting support 1 to move to a working position, the motor 14 starts to operate, the motor 14 enables the first threaded rod 12 and the second threaded rod 13 to rotate, the rotation of the first threaded rod 12 and the second threaded rod 13 enables the second moving block 9 and the first moving block 6 to move, the moving direction of the second moving block 9 and the first moving block 6 is a direction close to the partition plate 21, the movement of the second moving block 9 and the first moving block 6 enables the lifting support 1 to ascend through the second support rod 11 and the first support rod 8, so that the lifting support 1 cannot move due to the wheels 2 when in work, the lifting support 1 is fixed, and therefore the auxiliary lifting mechanism is firmer and safer when in work; when the expansion joint welded steel plate needs to be fixed, the pulling plate 18 is pulled outwards, the pulling plate 18 drives the positioning rod 19 to open the fixing cavity of the support column 16, the expansion joint welded steel plate is placed in the fixing cavity of the support column 16, the pulling plate 18 is loosened, and meanwhile the spring 20 is restored to the original state to drive the pulling plate 18 and the fixing frame 17 to return to the original position, so that the expansion joint welded steel plate is fixed, the operation is convenient, and the time is saved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a bridge expansion joint installation adjustment instrument, includes hoisting support (1), the internal assembly of hoisting support (1) has pillar (16), its characterized in that: the bottom one side of jack-up support (1) is fixed with first protecting crust (3), the bottom inside of first protecting crust (3) is fixed with supplementary elevating system:

the auxiliary lifting mechanism comprises a motor shell (4), a base (5), a first moving block (6), a first connecting block (7), a first supporting rod (8), a second moving block (9), a second connecting block (10), a second supporting rod (11), first threaded rods (12), second threaded rods (13), a motor (14), supporting plates (15), partition plates (21) and limiting rods (22), wherein the supporting plates (15) are fixed at two ends of the surface of the base (5), the motor shell (4) is fixed on one side of one supporting plate (15), the motor (14) is fixed inside the motor shell (4), a plurality of groups of first threaded rods (12) and second threaded rods (13) with opposite thread turning directions are fixed at the output end of the motor (14), and the first threaded rods (12) and the second threaded rods (13) are separated by the partition plates (21), the baffle plate (21) is fixed on the surface of the base (5) and is rotationally connected with the first threaded rod (12) and the second threaded rod (13), the outer sides of the first threaded rod (12) and the second threaded rod (13) are respectively in threaded connection with a second moving block (9) and a first moving block (6), the top ends of the second moving block (9) and the first moving block (6) are respectively fixed with a second connecting block (10) and a first connecting block (7), the interiors of the second connecting block (10) and the first connecting block (7) are respectively rotationally connected with a second supporting rod (11) and a first supporting rod (8), the middle parts of the second supporting rod (11) and the first supporting rod (8) are rotationally connected, a limiting rod (22) is further fixed between the two supporting plates (15), and the limiting rod (22) is in sliding connection with the second moving block (9) and the first moving block (6) of the limiting rod (22), the top ends of the second supporting rod (11) and the first supporting rod (8) are connected with the inside of the first protective shell (3) in a sliding mode.

2. The tool of claim 1, wherein the tool comprises: the middle of the second supporting rod (11) is provided with a groove, and the first supporting rod (8) penetrates through the second supporting rod (11) and is connected with the second supporting rod (11) through a pin.

3. The tool of claim 1, wherein the tool comprises: the dovetail groove is formed in the first protection shell (3), and the first protection shell (3) is connected with the top end of the first supporting rod (8) in a sliding mode through the dovetail groove.

4. The tool of claim 1, wherein the tool comprises: four wheels (2) are fixed at the bottom of the hoisting bracket (1).

5. The tool of claim 1, wherein the tool comprises: the inside of pillar (16) is provided with a spacing cavity that is used for spacing welding steel sheet, one side of pillar (16) is fixed with fixed frame (17), one side of fixed frame (17) is fixed with spring (20), one side of spring (20) is fixed with arm-tie (18), the opposite side of arm-tie (18) and the inside that is located spring (20) are fixed with locating lever (19), the inside of fixed frame (17) and pillar (16) all is provided with the spout, the spout is sliding connection with locating lever (19), locating lever (19) and arm-tie (18) pass through welded connection.