CN213804926U

CN213804926U - Highway bridge jacking support

Info

Publication number: CN213804926U
Application number: CN202022635229.6U
Authority: CN
Inventors: 王丽; 孙磊
Original assignee: Hohhot vocational college
Current assignee: Hohhot vocational college
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-07-27
Anticipated expiration: 2030-11-16

Abstract

The utility model relates to a public road bridge roof beam technical field, concretely relates to public road bridge roof beam jacking support, including the device main part, the device main part includes first extension board and second extension board, the support frame is all welded and installed on the top of first extension board and second extension board, the loading board is installed in the top welding of support frame, the spacing groove has been seted up on the top of loading board, the jack is installed on the top of spacing groove, the bottom fixedly connected with base of jack, the centre gripping subassembly is installed on the top of loading board. The utility model discloses a be provided with the centre gripping subassembly, one side of two grip blocks is hugged closely in the outside of jack to with the jack centre gripping, simultaneously, the clearance between base and the spacing groove is less, thereby makes the base can not take place to squint by a wide margin in the spacing groove, and the grip block grasps the jack, has solved in the use, and the support leads to the jack of installing on the support to shift now or the problem of off normal easily under the exogenic action.

Description

Highway bridge jacking support

Technical Field

The utility model relates to a public road bridge roof beam technical field specifically is a public road bridge roof beam jacking support.

Background

The highway bridge is classified according to a structural system, mechanical characteristics of a bridge structure are taken as basic points of attention, the bridge is classified, basic characteristics of various bridges can be mastered, the highway bridge is also one of key points of bridge engineering learning, a general construction method for jacking the highway bridge is to directly set up a jacking support under the bridge, and different supports for jacking the highway bridge appear in the market along with continuous development of the building industry.

However, in the existing supports for jacking the highway bridge in the market, in the using process, the supports are easy to cause the situation that jacks mounted on the supports are pushed out to shift or deviate under the action of external force, the supports are easy to fall and fall off, and the use requirements of the market and the construction industry are difficult to meet, so that the highway bridge jacking support needs to be designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a public road bridge roof beam jacking support to solve the support that is used for public road bridge roof beam jacking on the present market that proposes in the above-mentioned background art, in the use, the support leads to installing the condition that the jack on the support shifted or deviates from the position easily under the exogenic action, takes place the askew condition of dropping easily, is difficult to satisfy the problem of market and building trade's user demand.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a public road bridge roof-jacking support, includes the device main part, the device main part includes first extension board and second extension board, the top of first extension board and second extension board is all welded mounting and is had the support frame, the loading board is installed in the top welding of support frame, the spacing groove has been seted up on the top of loading board, the jack is installed on the top of spacing groove, the bottom fixedly connected with base of jack, the centre gripping subassembly is installed on the top of loading board, the centre gripping subassembly is including the installation piece, the bottom of installation piece and the top fixed connection of loading board, the lead screw is installed to one side screw thread of installation piece, the one end fixed mounting of lead screw has the crank, the other end fixedly connected with grip block of lead screw.

Preferably, one side of first extension board is provided with coupling assembling, coupling assembling includes the connecting rod, one end of connecting rod and one side fixed connection of first extension board, the draw-in groove has been seted up to one side that the second extension board is close to first extension board, the screw thread groove has evenly been seted up to the one side of connecting rod, the bolt is installed to one side screw thread of second extension board, the fixed slot has been seted up to the inside that the second extension board is close to the draw-in groove.

Preferably, the top end of the bearing plate is fixedly provided with a slide rail, the inside of the slide rail is provided with a slide block in a sliding manner, and the top end of the slide block is fixedly connected with the bottom end of the clamping plate.

Preferably, the number of the connecting assemblies is two, and the connecting assemblies are symmetrically distributed on the central line of the first support plate.

Preferably, a rubber pad is fixedly mounted on one side of the clamping plate, and anti-skid grains are uniformly formed in the surface of the rubber pad.

Preferably, the clamping plate is arc-shaped, and the thickness of the clamping plate is 2 cm.

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

1. through being provided with the centre gripping subassembly, the outside in the jack is hugged closely to one side of two grip blocks to live the jack centre gripping, simultaneously, the clearance between base and the spacing groove is less, thereby makes the base can not take place to squint by a wide margin in the spacing groove, and the grip block grips the jack, has solved in the use, and the support leads to the jack of installing on the support to push out the problem of aversion or off normal under the exogenic action easily.

2. Through being provided with coupling assembling, screw into another thread groove with the thread groove to make the one end of bolt insert back again in the fixed slot, played the effect of adjusting, be convenient for adjust the interval between first extension board and the second extension board, make the device main part be applicable to the bridge of different width, reduced the limitation, improved the practicality of device main part.

Drawings

FIG. 1 is a schematic view of the structure of the present invention in a partial front view;

FIG. 2 is an enlarged schematic top view of the bearing plate structure of the present invention;

FIG. 3 is a partial front view of the clamping assembly of the present invention;

FIG. 4 is a schematic top view, partially in section, of the first and second support plate structures of the present invention;

fig. 5 is a partially enlarged schematic view of a structure in fig. 4 according to the present invention.

In the figure: 100. a device main body; 110. a first support plate; 111. a second support plate; 112. a support frame; 113. a carrier plate; 114. a limiting groove; 115. a jack; 116. a base; 200. a connecting assembly; 210. a connecting rod; 211. a card slot; 212. a thread groove; 213. a bolt; 214. fixing grooves; 300. a clamping assembly; 310. mounting blocks; 311. a screw rod; 312. a crank; 313. a clamping plate; 314. a slide rail; 315. a slider; 316. and (7) a rubber pad.

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 an embodiment:

a jacking support for a highway bridge comprises a device main body 100, wherein the device main body 100 comprises a first support plate 110 and a second support plate 111, a support frame 112 is welded and installed at the top ends of the first support plate 110 and the second support plate 111, a bearing plate 113 is welded and installed at the top end of the support frame 112, a limiting groove 114 is formed in the top end of the bearing plate 113, a jack 115 is installed at the top end of the limiting groove 114, a base 116 is fixedly connected to the bottom end of the jack 115, a clamping assembly 300 is installed at the top end of the bearing plate 113, the clamping assembly 300 comprises an installation block 310, the bottom end of the installation block 310 is fixedly connected with the top end of the bearing plate 113, a screw rod 311 is installed on one side of the installation block 310 through threads, a crank 312 is fixedly installed at one end of the screw rod 311, a clamping plate 313 is fixedly connected to the other end of the screw rod 311, the crank 312 is rotated, the crank 312 drives the screw rod 311 to rotate, the screw rod 311 moves to one side while rotating, the crank 312 enables the two clamping plates 313 to be close to the jack 115, after the clamping plates 313 move to a certain position, one sides of the two clamping plates 313 are tightly attached to the outer sides of the jacks 115, so that the jacks 115 are clamped, meanwhile, the gap between the base 116 and the limiting groove 114 is small, so that the base 116 cannot deviate greatly in the limiting groove 114, the jacks 115 are clamped by the clamping plates 313, and the problem that the jacks 115 installed on the support are prone to shifting or deviating due to the action of external force when the support is used is solved.

Further, a connecting assembly 200 is arranged on one side of the first support plate 110, the connecting assembly 200 includes a connecting rod 210, one end of the connecting rod 210 is fixedly connected with one side of the first support plate 110, a clamping groove 211 is formed on one side of the second support plate 111 close to the first support plate 110, a threaded groove 212 is uniformly formed on one surface of the connecting rod 210, a bolt 213 is installed on one surface of the second support plate 111 through a thread, a fixing groove 214 is formed in the second support plate 111 close to the clamping groove 211, one end of the bolt 213 is screwed out of the fixing groove 214 and the threaded groove 212, the extending length of the connecting rod 210 is adjusted, the threaded groove 212 is screwed into the other threaded groove 212, and one end of the bolt 213 is inserted back into the fixing groove 214 again, so that the adjustment effect is achieved, the distance between the first support plate 110 and the second support plate 111 is convenient to adjust, the device main body 100 is suitable for bridges with different widths, the limitation is reduced, and the practicability of the device main body 100 is improved.

Further, a slide rail 314 is fixedly mounted at the top end of the bearing plate 113, a slide block 315 is slidably mounted inside the slide rail 314, the top end of the slide block 315 is fixedly connected with the bottom end of the clamping plate 313, and when the clamping plate 313 moves, the slide block 315 slides in the slide rail 314, so that the clamping plate 313 can move stably.

Furthermore, the number of the connecting assemblies 200 is two, and the center lines of the first support plate 110 are symmetrically distributed, so that the first support plate 110 and the second support plate 111 are uniformly stressed, and the first support plate 110 and the second support plate 111 can be connected more stably.

Furthermore, a rubber pad 316 is fixedly mounted on one side of the clamping plate 313, anti-slip threads are uniformly formed on the surface of the rubber pad 316, and the anti-slip threads on the rubber pad 316 can increase the friction force between the clamping plate 313 and the jack 115, so that the jack 115 is more stable.

Furthermore, the clamping plate 313 is arc-shaped, the thickness of the clamping plate 313 is 2cm, and the shape of the clamping plate 313 is matched with the shape of the side edge of the jack 115, so that the clamping plate 313 can clamp the jack 115 more stably.

The working principle is as follows: when the clamping device is used, referring to fig. 2, the crank 312 is rotated, the crank 312 drives the screw rod 311 to rotate, the screw rod 311 moves to one side while rotating, the crank 312 is rotated to enable the two clamping plates 313 to be close to the jack 115, after the clamping plates 313 move to a certain position, one sides of the two clamping plates 313 are tightly attached to the outer side of the jack 115, so that the jack 115 is clamped, meanwhile, a gap between the base 116 and the limiting groove 114 is small, so that the base 116 cannot greatly shift in the limiting groove 114, the jack 115 is clamped by the clamping plates 313, and the problem that the jack 115 installed on a support is easily shifted or shifted due to the action of external force of the support in the using process is solved. The anti-slip threads on the rubber pad 316 increase the friction between the clamping plate 313 and the jack 115, thereby making the jack 115 more stable.

The fixing groove 214 and the thread groove 212 are screwed out of one end of the bolt 213, the extending length of the connecting rod 210 is adjusted, the thread groove 212 is screwed into the other thread groove 212, one end of the bolt 213 is inserted back into the fixing groove 214 again, the adjusting effect is achieved, the distance between the first support plate 110 and the second support plate 111 is convenient to adjust, the device main body 100 is applicable to bridges with different widths, the limitation is reduced, the practicability of the device main body 100 is improved, the two connecting assemblies 200 are arranged, the center line of the first support plate 110 is in symmetrical distribution, the stress of the first support plate 110 and the stress of the second support plate 111 are uniform, and the first support plate 110 and the second support plate 111 can be connected stably.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a public road bridge roof-lifting support, includes device main part (100), its characterized in that: the device body (100) comprises a first plate (110) and a second plate (111), the top ends of the first support plate (110) and the second support plate (111) are welded with support frames (112), the top end of the supporting frame (112) is welded with a bearing plate (113), the top end of the bearing plate (113) is provided with a limit groove (114), a jack (115) is arranged at the top end of the limiting groove (114), a base (116) is fixedly connected with the bottom end of the jack (115), the top end of the bearing plate (113) is provided with a clamping component (300), the clamping component (300) comprises a mounting block (310), the bottom end of the mounting block (310) is fixedly connected with the top end of the bearing plate (113), the lead screw (311) is installed to one side screw thread of installation piece (310), the one end fixed mounting of lead screw (311) has crank (312), the other end fixedly connected with grip block (313) of lead screw (311).

2. The public road bridge roof-jacking support of claim 1, characterized in that: one side of first support board (110) is provided with coupling assembling (200), coupling assembling (200) are including connecting rod (210), one end of connecting rod (210) and one side fixed connection of first support board (110), draw-in groove (211) have been seted up to one side that second extension board (111) are close to first extension board (110), thread groove (212) have evenly been seted up to the one side of connecting rod (210), bolt (213) are installed to one side screw thread of second extension board (111), fixed slot (214) have been seted up to inside that second extension board (111) are close to draw-in groove (211).

3. The public road bridge roof-jacking support of claim 1, characterized in that: the top end fixed mounting of loading board (113) has slide rail (314), the inside slidable mounting of slide rail (314) has slider (315), the top of slider (315) and the bottom fixed connection of grip block (313).

4. The road bridge jacking bracket as claimed in claim 2, wherein: the number of the connecting components (200) is two, and the connecting components are symmetrically distributed by using the center line of the first supporting plate (110).

5. The public road bridge roof-jacking support of claim 1, characterized in that: a rubber pad (316) is fixedly mounted on one side of the clamping plate (313), and anti-skid grains are uniformly formed in the surface of the rubber pad (316).

6. The public road bridge roof-jacking support of claim 1, characterized in that: the clamping plate (313) is arc-shaped, and the thickness of the clamping plate (313) is 2 cm.