CN221297603U

CN221297603U - Bridge pushing and sliding auxiliary device

Info

Publication number: CN221297603U
Application number: CN202322917038.2U
Authority: CN
Inventors: 郝强; 马水生; 龚睿; 米枢
Original assignee: Changjiu Intercity Railway Co ltd; China Railway Design Corp; China Railway 17th Bureau Group Co Ltd; Construction Engineering Co Ltd of China Railway 17th Bureau Group Co Ltd
Current assignee: Changjiu Intercity Railway Co ltd; China Railway Design Corp; China Railway 17th Bureau Group Co Ltd; Construction Engineering Co Ltd of China Railway 17th Bureau Group Co Ltd
Priority date: 2023-10-30
Filing date: 2023-10-30
Publication date: 2024-07-09
Anticipated expiration: 2033-10-30

Abstract

The utility model discloses a bridge pushing and sliding auxiliary device, which relates to the field of bridge pushing and comprises a supporting seat, a hydraulic jack and a sliding support, wherein the hydraulic jack is arranged in the supporting seat, the sliding support is arranged at the output end of the hydraulic jack, a roller mechanism is arranged in the sliding support, a lifting and moving mechanism is arranged at the corner of the bottom surface of the supporting seat, the lifting and moving mechanism comprises a first conical gear, a second conical gear, a trapezoidal screw rod, a nut seat, a lifting supporting leg and a universal wheel, the first conical gear and the second conical gear are meshed and arranged in the supporting seat, the first conical gear is in rotary connection with the supporting seat through an adjusting hole, a baffle is arranged below the second conical gear, a through hole is arranged in the center of the baffle, the trapezoidal screw rod penetrates through the through hole and is fixedly connected with the second conical gear, the nut seat is sleeved on the trapezoidal screw rod through threads, the nut seat is arranged in the lifting supporting leg, and the universal wheel is arranged at the bottom end of the lifting supporting leg. The utility model avoids the pushing deflection of the bridge and simultaneously facilitates the movement without manual carrying.

Description

Bridge pushing and sliding auxiliary device

Technical Field

The utility model belongs to the field of bridge pushing, and particularly relates to a bridge pushing sliding auxiliary device.

Background

The bridge is a component part of a road, generally refers to a structure which is erected on rivers, lakes and seas to enable vehicles, pedestrians and the like to pass smoothly, in the process of bridge construction, a pushing method, a stressed structure characteristic method and a cantilever method are generally used for bridge construction, in the traditional pushing method construction, a jack is generally used for pushing a poured bridge section, and a sliding device on a bridge pier is used for gradually pushing the bridge to the opposite side.

However, in the traditional pushing process, the bridge section is inevitably slightly offset in the pushing process, but in the continuous construction process, the bridge is possibly caused to deviate from a preset track, so that the bridge cannot be perfectly matched with the bridge pier, and then the bridge is required to be shifted, so that troubles are produced to a certain extent, and the construction progress is influenced.

The chinese patent No. CN 215104722U discloses an auxiliary moving device for pushing construction of bridge, which can limit the bridge, avoid the problem that the bridge can shift left and right in the pushing process, however, after the device is lifted to the pier, because the bridge exists above the pier, the bridge cannot be adjusted to a preset position in a lifting manner, and because the moving device needs to push the bridge, universal wheels (the universal wheels cannot bear the reverse acting force in the pushing process) cannot be installed below the moving device, a plurality of operators need to manually push the bridge to the preset position, and the time and the labor are wasted in the transportation process.

Therefore, how to provide a bridge pushing and sliding auxiliary device convenient for position adjustment becomes a technical problem to be solved by the person skilled in the art.

Disclosure of utility model

The utility model aims to provide a bridge pushing and sliding auxiliary device, which can be convenient for position adjustment of the auxiliary device by arranging a universal wheel capable of lifting, and can be hidden in the auxiliary device after reaching a set position so as to prevent damage in the pushing process.

In order to achieve the above purpose, the utility model provides a bridge pushing and sliding auxiliary device, which comprises a supporting seat, a hydraulic jack and a sliding support, wherein the hydraulic jack is arranged in the supporting seat, the sliding support is arranged at the output end of the hydraulic jack, the sliding support is arranged in a supporting mechanism in a sliding manner, a roller mechanism for limiting a bridge is arranged in the sliding support, the corner of the supporting seat is provided with a lifting moving mechanism, the lifting moving mechanism comprises a first conical gear, a second conical gear, a trapezoidal screw rod, a nut seat, lifting support legs and universal wheels, the first conical gear and the second conical gear are arranged in the supporting seat, the supporting seat is provided with an adjusting hole, the first conical gear is in rotary connection with the supporting seat through the adjusting hole, the first conical gear is in meshed connection with the second conical gear, a baffle is arranged below the second conical gear, the center of the baffle is provided with a through hole, the trapezoidal screw rod penetrates through the through hole and is fixedly connected with the second conical gear, the nut seat is sleeved on the trapezoidal screw rod, the nut seat is connected with the trapezoidal screw rod, and the lifting support legs are fixedly arranged at the bottom ends of the lifting support legs.

Further, a rotary handle is inserted into the adjusting hole of the supporting seat, and the rotary handle is in driving connection with the first bevel gear.

Further, the sliding support further comprises a fixed block and a driving mechanism, the fixed block is arranged at the center of the sliding support, the roller mechanisms are symmetrically arranged on two sides of the fixed block, the driving mechanism is arranged at the bottom of the sliding support and is rotationally connected with the fixed block, and the driving mechanism is in driving connection with the roller mechanisms.

Further, the cylinder mechanism includes movable storehouse, lift storehouse, first cylinder, first pneumatic cylinder, sliding block and second pneumatic cylinder, first cylinder sets up in the lift storehouse, first pneumatic cylinder, sliding block and second pneumatic cylinder all set up in the movable storehouse, the second pneumatic cylinder is fixed in movable storehouse lateral wall bottom, the output of second pneumatic cylinder is provided with the sliding block, the sliding block slides and sets up in the movable storehouse, first pneumatic cylinder articulates on the sliding block, the output of first pneumatic cylinder articulates at the bottom edge of lift storehouse, one side that the lift storehouse kept away from first pneumatic cylinder output articulates at the lateral wall top of movable storehouse.

Further, the driving mechanism comprises a bidirectional screw rod and a driving motor, the bidirectional screw rod is rotatably arranged on the inner walls of the two sides of the sliding support, the driving motor is arranged on the outer wall of the sliding support, an output shaft of the driving motor is fixedly connected with the bidirectional screw rod, the bidirectional screw rod penetrates through the fixing block and is rotatably connected with the fixing block, and the bidirectional screw rod is in driving connection with the movable bin.

Further, the movable bin further comprises a limiting polish rod, the limiting polish rod is fixedly connected with the side wall of the sliding support, the limiting polish rod penetrates through the fixing block and is fixedly connected with the fixing block, and the movable bin is slidably connected with the limiting polish rod.

Further, the supporting seat is provided with a strip-shaped abdicating groove relative to the driving motor.

Further, the device also comprises a second roller, wherein the second roller is arranged at the top end of the fixed block, and the second roller is rotationally connected with the fixed block.

The beneficial effects of the utility model are as follows: the lifting mechanism is simple in structure, the limit of the bridge is realized through the arrangement of the lifting bin, the problem that the bridge can deviate left and right in the pushing process is avoided, the friction to the bridge body is greatly reduced when the bridge is limited through the arrangement of the roller, the safety of pushing operation to the bridge is ensured to a certain extent, the auxiliary device can be conveniently moved through the arrangement of the lifting moving mechanism, fine adjustment can be carried out when the position deviates in the non-loaded state, the hydraulic jack is arranged, the integral lifting of the sliding bracket is convenient, the opening angle of the first roller can be improved through the arrangement of the first hydraulic cylinder and the second hydraulic cylinder, and therefore the suitability to the bridge is improved, and the bridge can be effectively limited in the pushing process.

Drawings

FIG. 1 is a schematic diagram of the main structure of the present utility model;

FIG. 2 is a cross-sectional view of the lifting and moving mechanism of the present utility model;

FIG. 3 is a top view of the present utility model;

FIG. 4 is a schematic view of the internal structure of the support base of the present utility model;

Fig. 5 is a cross-sectional view of the movable cartridge of the present utility model.

1, A supporting seat; 2. a hydraulic jack; 3. a sliding support; 4. a limit protrusion; 5. a first bevel gear; 6. a second bevel gear; 7. a trapezoidal screw; 8. a nut seat; 9. lifting the supporting leg; 10. a universal wheel; 11. rotating the handle; 12. a baffle; 13. a fixed block; 14. a bidirectional screw; 15. a driving motor; 16. a strip-shaped abdication groove; 17. limiting a polished rod; 18. a movable bin; 19. lifting the bin; 20. a first roller; 21. a first hydraulic cylinder; 22. a sliding block; 23. a second hydraulic cylinder; 24. and a second roller.

Detailed Description

In order to achieve the above objects and effects, the present utility model adopts the technical means and structure, and the features and functions of the preferred embodiments of the present utility model will be described in detail with reference to the accompanying drawings.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "upper", "lower", "left", "right", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples

As shown in fig. 1-5, this embodiment discloses a bridge pushing and sliding auxiliary device, including supporting seat 1, hydraulic jack 2 and sliding support 3, supporting seat 1 is the box structure of no top, and hydraulic jack 2 sets up in supporting seat 1, and sliding support 3 sets up the output at hydraulic jack 2, and the edge of sliding support 3 is provided with spacing arch 4, and supporting seat 1 corresponds and is provided with spacing recess, and sliding support 3 slides through spacing arch 4 and sets up in supporting seat 1, spacing arch 4 and spacing recess's setting has avoided sliding support 3 to rock in supporting seat 1.

The inside lift mobile mechanism that is provided with in turning of supporting seat 1, lift mobile mechanism includes first conical gear 5, second conical gear 6, trapezoidal lead screw 7, nut seat 8, lift landing leg 9 and universal wheel 10, first conical gear 5 and second conical gear 6 set up in supporting seat 1, first conical gear 5 is connected with supporting seat 1 rotation, the pivot setting of first conical gear 5 is in the regulation hole, accessible rotary handle 11 drives it, first conical gear 5 is connected with the meshing of second conical gear 6, the below of second conical gear 6 is provided with baffle 12, baffle 12 center is provided with the through-hole, trapezoidal lead screw 7 passes through-hole and second conical gear 6 fixed connection, nut seat 8 suit is on trapezoidal lead screw 7, nut seat 8 and trapezoidal lead screw 7 threaded connection, lift landing leg 9 is hollow structure, nut seat 8 sets up in lift landing leg 9, nut seat 8 and lift landing leg 9's bottom, when need use universal wheel 10 to carry out the adjustment to auxiliary device's position, only need be with rotatory handle 11 with the second conical gear 6 meshing connection, can realize backing angle with the first conical gear 7 through setting up-down, can not be in the setting up the drive angle of trapezoidal lead screw 10, can realize backing angle with the trapezoidal lead screw 10, can realize backing angle adjustment, the self-locking device is realized to the universal, the backing angle is realized to the bevel wheel is adjusted to the universal, can not be adjusted to the bevel wheel 10, the tip angle adjustment is adjusted, can be adjusted.

The sliding support 3 is internally provided with a fixed block 13, a roller mechanism and a driving mechanism, the fixed block 13 is fixed at the center of the sliding support 3, the roller mechanism is symmetrically arranged at two sides of the fixed block 13, the driving mechanism is arranged at the bottom of the sliding support 3 and comprises a bidirectional screw 14 and a driving motor 15, the bidirectional screw 14 is rotatably arranged on the inner walls of two sides of the sliding support 3, the driving motor 15 is arranged on the outer wall of the sliding support 3, an output shaft of the driving motor 15 is fixedly connected with one end of the bidirectional screw 14, the bidirectional screw 14 penetrates through the fixed block 13 and is rotatably connected with the fixed block 13, the bidirectional screw 14 is in driving connection with a lifting bin 19, and in order to avoid interference between the driving motor 15 and a supporting seat 1, the supporting seat 1 is cut with a strip-shaped yielding groove 16 at the position of the driving motor 15.

As a preferred embodiment of the present utility model, the roller mechanism further comprises a limiting polish rod 17, wherein the limiting polish rod 17 is fixedly connected with the side wall of the sliding support 3, the limiting polish rod 17 penetrates through the fixed block 13 and is fixedly connected with the fixed block 13, and the roller mechanism is in sliding connection with the limiting polish rod 17.

The roller mechanism comprises a movable bin 18, a lifting bin 19, a first roller 20, a first hydraulic cylinder 21, a sliding block 22 and a second hydraulic cylinder 23, wherein the lifting bin 19, the first roller 20, the first hydraulic cylinder 21, the sliding block 22 and the second hydraulic cylinder 23 are all arranged in the movable bin 18, the second hydraulic cylinder 23 is fixed on the bin wall of the movable bin 18, the sliding block 22 is arranged at the output end of the second hydraulic cylinder 23, the sliding block 22 is arranged in the movable bin 18 in a sliding manner, the first hydraulic cylinder 21 is hinged on the sliding block 22, the output end of the first hydraulic cylinder 21 is hinged at the bottom end edge of the lifting bin 19, one side, far away from the output end of the first hydraulic cylinder 21, of the lifting bin 19 is hinged at the top end of the side wall of the movable bin 18, and the first roller 20 is arranged to effectively reduce friction to a bridge body in the auxiliary pushing process.

As a preferred embodiment of the present utility model, the top end of the fixed block 13 is provided with a second roller 24, and the second roller 24 is rotatably connected with the fixed block 13.

When the bridge is required to be pushed, the driving motor 15 is started in the forward direction, the output shaft of the driving motor 15 drives the bidirectional screw rod 14 to rotate, through the threaded relation between the lifting bin 19 and the bidirectional screw rod 14 and under the limit of the limiting polished rod 17, the two movable bins 18 move in the direction away from each other, the width of the bottom of the bridge is moved to a proper position, then the output end of the second hydraulic cylinder 23 stretches out, the sliding block 22 is pushed to slide, the sliding block 22 pushes the first hydraulic cylinder 21 to jack up and rotate the lifting bin 19 until the first rotary cylinder 20 is in close contact with the side surface of the bridge, if the second hydraulic cylinder 23 moves to the maximum stroke, the first hydraulic cylinder 20 is still not in contact with the side surface of the bridge, the first hydraulic cylinder 21 is started, the lifting bin 19 is continuously pushed to rotate around the hinge shaft of the lifting bin 19 and the movable bin 18 until the first rotary cylinder 20 is attached to the side surface, the limit of the bridge is realized, the problem that the bridge can be left and right offset in the pushing process is avoided, the opening angle of the first rotary cylinder 20 can be improved through the arrangement of the first hydraulic cylinder 21 and the second hydraulic cylinder 23, the suitability for the bridge is improved, the bridge is started up, the first rotary cylinder 20 is contracted, the first rotary cylinder 21 is contracted, the output cylinder 21 is contracted into the movable bin 2 is contracted, and the lifting jack 2 is then the lifting jack is contracted, and the lifting jack 2 is opened, and the lifting jack is opened.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the technical scope of the present utility model, so that any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present utility model still fall within the scope of the technical solutions of the present utility model.

Claims

1. The utility model provides a bridge top pushes away auxiliary device that slides, its characterized in that includes supporting seat, hydraulic jack and carriage, hydraulic jack sets up in the supporting seat, the carriage sets up the output at hydraulic jack, the carriage slides and sets up in supporting mechanism, be provided with the cylinder mechanism that is used for the bridge spacing in the carriage, the turning of supporting seat is provided with lift mobile mechanism, lift mobile mechanism includes first conical gear, second conical gear, trapezoidal lead screw, nut seat, lift landing leg and universal wheel, first conical gear and second conical gear set up in the supporting seat, the supporting seat is provided with the regulation hole, first conical gear rotates with the supporting seat through the regulation hole to be connected, first conical gear is connected with the meshing of second conical gear, the below of second conical gear is provided with the baffle, the baffle center is provided with the through-hole, trapezoidal lead screw passes through-hole and second conical gear fixed connection, the nut seat suit is on trapezoidal lead screw, nut seat and trapezoidal threaded connection, the landing leg is in the setting up and down in the universal wheel.

2. The bridge pushing and sliding auxiliary device according to claim 1, wherein a rotary handle is inserted into the adjusting hole of the supporting seat, and the rotary handle is in driving connection with the first bevel gear.

3. The bridge pushing and sliding auxiliary device according to claim 1, wherein the sliding support further comprises a fixed block and a driving mechanism, the fixed block is arranged in the center of the sliding support, the roller mechanisms are symmetrically arranged on two sides of the fixed block, the driving mechanism is arranged at the bottom of the sliding support, the driving mechanism is rotationally connected with the fixed block, and the driving mechanism is in driving connection with the roller mechanisms.

4. The bridge pushing and sliding auxiliary device according to claim 3, wherein the roller mechanism comprises a movable bin, a lifting bin, a first roller, a first hydraulic cylinder, a sliding block and a second hydraulic cylinder, the first roller is arranged in the lifting bin, the first hydraulic cylinder, the sliding block and the second hydraulic cylinder are all arranged in the movable bin, the second hydraulic cylinder is fixed at the bottom of the side wall of the movable bin, the sliding block is arranged at the output end of the second hydraulic cylinder, the sliding block is arranged in the movable bin in a sliding mode, the first hydraulic cylinder is hinged to the sliding block, the output end of the first hydraulic cylinder is hinged to the bottom end edge of the lifting bin, and one side, far away from the output end of the first hydraulic cylinder, of the lifting bin is hinged to the top end of the side wall of the movable bin.

5. The bridge pushing and sliding auxiliary device according to claim 4, wherein the driving mechanism comprises a bidirectional screw rod and a driving motor, the bidirectional screw rod is rotatably installed on the inner walls of two sides of the sliding support, the driving motor is installed on the outer wall of the sliding support, an output shaft of the driving motor is fixedly connected with the bidirectional screw rod, the bidirectional screw rod penetrates through the fixed block and is rotatably connected with the fixed block, and the bidirectional screw rod is in driving connection with the movable bin.

6. The bridge pushing and sliding auxiliary device according to claim 4, further comprising a limiting polish rod fixedly connected with the side wall of the sliding support, wherein the limiting polish rod penetrates through the fixed block and is fixedly connected with the fixed block, and the movable bin is slidably connected with the limiting polish rod.

7. The bridge pushing and sliding auxiliary device according to claim 5, wherein the supporting seat is provided with a strip-shaped abdication groove relative to the driving motor.

8. The bridge pushing and sliding auxiliary device according to claim 1, further comprising a second roller, wherein the second roller is arranged at the top end of the fixed block, and the second roller is rotatably connected with the fixed block.