CN218843112U

CN218843112U - Bridge construction supporting device

Info

Publication number: CN218843112U
Application number: CN202222999347.4U
Authority: CN
Inventors: 夏双红; 黄永库; 张龙; 何远华; 卢旭辉; 陈嘉威; 闫兴; 周亚军; 吴宇昊
Original assignee: China Railway Construction Engineering Group Co Ltd; Beijing Road and Bridge Branch of China Railway Construction Engineering Group Co Ltd; China Railway Development Investment Group Co Ltd
Current assignee: China Railway Construction Engineering Group Co Ltd; Beijing Road and Bridge Branch of China Railway Construction Engineering Group Co Ltd; China Railway Development Investment Group Co Ltd
Priority date: 2022-11-11
Filing date: 2022-11-11
Publication date: 2023-04-11
Anticipated expiration: 2032-11-11

Abstract

The utility model discloses a bridge construction supporting device, which comprises a supporting and protecting plate arranged in a foundation pit, wherein the supporting and protecting plate is fixed with the inner wall of the foundation pit, and the bridge construction supporting and protecting device has the structural key points that an annular positioning plate is fixed on the ground outside the foundation pit and surrounds the foundation pit, a covering batten is arranged on the lower side edge of the supporting and protecting plate, the covering batten is connected with the bottom of the foundation pit through a bottom pillar, the lower end of the bottom pillar is nailed into the bottom of the foundation pit, and a pressure rod is hinged on the side surface of the supporting and protecting plate; compared with the prior art, the beneficial effects of the utility model are that: after the foundation pit is excavated, the supporting plate is placed on the side wall of the foundation pit, the annular positioning plate is fixed to the ground on the outer side of the foundation pit, the upper portion and the lower portion of the supporting plate are in a fixed state, supporting can be performed on the foundation pit wall, and meanwhile, a structure influencing construction does not exist in the foundation pit, so that the construction in the foundation pit is facilitated while the stability of the supporting is guaranteed.

Description

Bridge construction supporting device

Technical Field

The utility model belongs to equipment field is used in the bridge construction, concretely relates to be used strutting arrangement during a foundation ditch construction for bridge.

Background

In urban bridge engineering, need dig out the foundation ditch earlier, the foundation ditch is used for cushion cap, abutment and enlarged foundation construction, nevertheless according to the difference of the soil property characteristic of foundation ditch degree of depth and foundation ditch wall, needs to strut the foundation ditch after digging sometimes, among the prior art, discloses a bridge is shoring system for foundation ditch, and its application number is: 2021204333521, which uses the main support and the auxiliary support as the support of the supporting structure, and combines the main support member and the auxiliary movable support section to form an inner support for the foundation pit wall, can reduce the deformation of the bridge foundation pit during the construction, but in this technique, because the main support member and the auxiliary movable support section are located in the foundation pit, the main support member and the auxiliary movable support section will affect the foundation construction such as the bearing platform and the bridge platform in the foundation pit, causing construction obstacles, and reducing the construction efficiency.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a can be convenient for the construction and have comprehensive bearing structure's bridge construction supporting device.

For realizing above-mentioned mesh, the utility model discloses a technical scheme be, a bridge construction supporting device, including setting up the backplate in the foundation ditch, it is fixed with the inner wall of foundation ditch to prop up the backplate, and its structural key point is, and the subaerial annular locating plate that is fixed with of foundation ditch, annular locating plate surround the foundation ditch and set up, the lower side edge of propping up the backplate be provided with the cover slat, the cover slat passes through the foundation ditch bottom and is connected, the lower extreme nail of foundation ditch bottom, it has the pressure pole to articulate on the side of backplate, presses the pole and the foundation ditch all to follow the equidistant range setting of circumference of foundation ditch, every upper end of pressing the pole all with the annular locating plate between be connected with the tie rod, every lower extreme of pressing the pole all is connected with the upper end of foundation ditch.

Furthermore, a vertical strip groove is formed in the side face, in contact with the side wall of the foundation pit, of the supporting plate, a pressing batten is arranged in the vertical strip groove, and a compressible supporting position assembly is connected between the pressing batten and the supporting plate.

Furthermore, a threaded through hole is formed in the supporting and protecting plate, an ejector rod is screwed in the threaded through hole, and the end part of the ejector rod is in contact with the pressing batten.

Furthermore, the horizontal pull rod comprises an upper pull rod and a lower pull rod, the upper pull rod and the lower pull rod are respectively connected with the annular positioning plate and the pressure rod, and a telescopic adjusting structure is connected between the upper pull rod and the lower pull rod.

Furthermore, the adjusting structure comprises a sleeve connected to the tail end of the upper pull rod, the tail end of the lower pull rod is inserted into the sleeve, a strip-shaped opening extending along the length direction of the sleeve is formed in the sleeve, an ear plate fixed to the lower pull rod is arranged in the strip-shaped opening, a locking arm is connected to the ear plate in a coupling mode, and the locking arm is connected with the sleeve in a clamping mode after being turned over.

Furthermore, a clamping ball body is fixed on the locking arm, the clamping ball body is matched with a locking groove formed in the sleeve, a locking plate head is fixed at the end of the locking arm, and the locking plate head is connected with the upper pull rod.

Compared with the prior art, the beneficial effects of the utility model are that: after the excavation of the foundation pit is completed, the supporting plate is placed at the position of the side wall in the foundation pit, the annular positioning plate is fixed to the ground at the position outside the foundation pit, the horizontal pull rod is connected with the pressing rod at the moment, the pressing rod is enabled to form pressing support for the supporting plate, the upper portion position and the lower portion position of the supporting plate are in a fixed state at the moment, the supporting plate can form supporting for the foundation pit wall, meanwhile, a structure influencing construction does not exist in the foundation pit, and therefore construction in the foundation pit is facilitated while stability of supporting is guaranteed.

Drawings

Fig. 1 is a schematic view of the assembled top view structure of the present invention;

FIG. 2 is a schematic sectional view of the connection structure of the annular positioning plate and the supporting plate of the present invention;

FIG. 3 is a schematic diagram of the structure of the supporting plate of the present invention;

fig. 4 is a schematic view of the connection between the pressing slat and the armguard of the present invention;

FIG. 5 is a schematic view of the structure of the flat pull rod of the present invention;

fig. 6 is a schematic structural view of another embodiment of the tie rod of the present invention;

the device comprises a support plate 1, an annular positioning plate 2, a column pile 3, a covering lath 4, a bottom column 5, a pressing cap 6, a pressing rod 7, a flat pull rod 8, a supporting column body 9, a supporting disc 10, an inner side ejector rod 11, a vertical lath 12, a pressing lath 13, a supporting component 14, an ejector rod 15, an upper pull rod 16, a lower pull rod 17, a sleeve 18, a strip port 19, an ear plate 20, a locking arm 21, a clamping ball 22, a locking groove 23, a locking lath head 24, an internal thread pipe body 25, an external thread pipe body 26 and a blocking disc 27.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1 to 2, a bridge construction supporting device, including a supporting plate 1 disposed in a foundation pit, the supporting plate 1 is fixed to an inner wall of the foundation pit, an annular positioning plate 2 is fixed to a ground outside the foundation pit, the annular positioning plate 2 is provided with threaded holes and circular through holes arranged in a circumferential direction, when the annular positioning plate 2 is installed, a column pile 3 can be driven into an area outside the foundation pit after passing through the circular through holes, the annular positioning plate 2 surrounds the foundation pit, a covering strip plate 4 is disposed on a lower side edge of the supporting plate 1, the covering strip plate 4 is connected to the bottom of the foundation pit through the bottom column 5, an insertion hole for passing through the bottom column 5 is formed in the covering strip plate 4, a pressing cap 6 pressed on the covering strip plate 4 is fixed to an upper end of the bottom column 5, a lower end of the bottom column 5 is driven into the bottom of the foundation pit, a lower end of the supporting plate 1 is fixed at this time, pressing rods 7 and the bottom rods 7 are hinged to the side surface of the supporting plate 1, the pressing rods 7 and the supporting rods and the supporting plate 5 and the supporting plates are connected to the upper end of the supporting plate, and the supporting plate 7 and the supporting plate is not affected by the pressing rods.

The pressing rod 7 is connected with the bottom column 5 through a butt joint bolt rod, concretely, a support column body 9 located above the pressing cap is arranged at the top of the bottom column 5, the support column body 9 is detachably connected with the top of the bottom column 5 (can be connected in a threaded screwing mode), a support disc 10 is fixed to the upper end of the support column body 9, through holes arranged around the central axis of the support column body 9 are formed in the support disc 10, the butt joint bolt rod penetrates through the through holes, a threaded blind hole is formed in the lower end face of the pressing rod 7, the upper end of the butt joint bolt rod is screwed in the threaded blind hole at the moment, the bottom column 5 is connected with the pressing rod 7, when the pressing rod 7 is in a vertical state, a gap exists between the pressing rod 7 and the support plate 1, connection between the pressing rod 7 and the bottom column 5 is facilitated, an inner side ejector rod 11 is perpendicularly connected to the pressing rod 7, and when the pressing rod 7 is in a vertical state, the tail end of the inner side ejector rod 11 abuts against the support arm plate 1.

Referring to fig. 3 to 4, a vertical strip groove 12 is arranged on a side surface of the supporting and protecting plate 1, which is in contact with the side wall of the foundation pit, a pressing strip plate 13 is arranged in the vertical strip groove 12, a compressible supporting component 14 is connected between the pressing strip plate 13 and the supporting and protecting plate 1, when the inner wall of the foundation pit is not flat enough, the pit wall with a locally protruded part can be clamped into the vertical strip groove 12, the supporting component 14 comprises a compression reset spring or an arched elastic plate, a threaded through hole is arranged on the supporting and protecting plate 1, a top rod 15 is screwed in the threaded through hole, the end part of the top rod 15 is in contact with the pressing strip plate 13, when the top rod 15 is screwed, the pressing strip plate 13 without the contact protruded part is in contact with the pit wall, and therefore comprehensive supporting and protecting of the pit wall are realized.

When the annular positioning plate 2 is connected with the positioning rod 7, as shown in fig. 4 to 5, the horizontal pull rod 8 includes an upper pull rod 16 and a lower pull rod 17, the upper pull rod 16 and the lower pull rod 17 are respectively connected with the annular positioning plate 2 and the positioning rod 7, a telescopic adjusting structure is connected between the upper pull rod 16 and the lower pull rod 17, and the whole length of the horizontal pull rod 8 is adjusted through the telescopic adjusting structure, so that the support guard plate 1 is abutted against the wall of the foundation pit, wherein the adjusting structure includes a sleeve 18 connected to the tail end of the upper pull rod 16, the tail end of the lower pull rod 17 is inserted into the sleeve 18, the sleeve 18 is provided with a strip-shaped opening 19 extending along the length direction thereof, an ear plate 20 fixed on the lower pull rod 17 is arranged in the strip-shaped opening 19, when the lower pull rod 17 moves along the axial direction of the sleeve 18, the ear plate 20 moves in the strip-shaped opening 19, the locking arm 21 is coupled to the lug plate 20, the locking arm 21 is clamped to the sleeve 18 after being turned, the length of the flat pull rod 8 is adjusted, specifically, a clamping ball 22 is fixed to the locking arm 21, the clamping ball 22 is matched with a locking groove 23 formed in the sleeve 18, the locking groove 23 is arranged along the length direction of the sleeve 18, after the length of the flat pull rod 8 is adjusted, the clamping ball 22 is matched in the locking groove 23, the length of the flat pull rod 8 is adjusted, a locking plate head 24 is fixed to the end portion of the locking arm 21, the locking plate head 24 is connected with the upper pull rod 16, the locking plate head 24 and the upper pull rod 16 are fixed through bolts, the locking plate head 24 and the upper pull rod 16 are both provided with insertion holes, and the anchor rod can be driven into the ground after the anchor rod passes through the insertion holes.

Referring to fig. 6, in another embodiment, an adjusting structure is improved, the adjusting structure includes an internal thread pipe 25 fixed at the end of the upper pull rod 16, an external thread pipe 26 is sleeved on the lower pull rod 17, a baffle disc 27 is arranged between the external thread pipe 26 and the end of the lower pull rod 17, the end of the baffle disc 27 and the end of the external thread pipe 26 are both located in the internal thread pipe 25, the length of the lower pull rod 17 entering the internal thread pipe 25 can be adjusted by rotating the external thread pipe 6, and therefore the length of the level pull rod 8 can be adjusted.

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, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a bridge construction supporting device, is including setting up the backplate in the foundation ditch, and the backplate is fixed with the inner wall of foundation ditch, its characterized in that: the outer subaerial annular locating plate that is fixed with of foundation ditch, annular locating plate surrounds the foundation ditch and sets up, the downside edge of a backplate be provided with the cover slat, the cover slat passes through the foundation column and is connected bottom the foundation ditch, the lower extreme nail of foundation column is gone into bottom the foundation ditch, it has the pressure position pole to articulate on the side of backplate, press position pole and foundation column all along the equidistant range setting of circumference of foundation ditch, every upper end of pressing the position pole all with be connected with the tie rod between the annular locating plate, every lower extreme of pressing the position pole all is connected with the upper end of foundation column.

2. The bridge construction supporting device according to claim 1, characterized in that: the side face, in contact with the side wall of the foundation pit, of the supporting and protecting plate is provided with a vertical strip groove, a pressing batten is arranged in the vertical strip groove, and a compressible supporting position assembly is connected between the pressing batten and the supporting and protecting plate.

3. The bridge construction supporting device according to claim 2, wherein: the supporting and protecting plate is provided with a threaded through hole, a push rod is screwed in the threaded through hole, and the end part of the push rod is in contact with the pressing batten.

4. The bridge construction supporting device according to claim 1, characterized in that: the horizontal pull rod comprises an upper pull rod and a lower pull rod, the upper pull rod and the lower pull rod are respectively connected with the annular positioning plate and the pressure rod, and a telescopic adjusting structure is connected between the upper pull rod and the lower pull rod.

5. The bridge construction supporting device according to claim 4, wherein: the adjusting structure comprises a sleeve connected to the tail end of the upper pull rod, the tail end of the lower pull rod is inserted into the sleeve, a strip-shaped opening extending along the length direction of the sleeve is formed in the sleeve, an ear plate fixed to the lower pull rod is arranged in the strip-shaped opening, a locking arm is connected to the ear plate in a shaft coupling mode, and the locking arm is connected with the sleeve in a clamping mode after being turned over.

6. The bridge construction supporting device according to claim 5, wherein: the locking arm is fixed with a clamping ball body, the clamping ball body is matched with a locking groove arranged on the sleeve, the end part of the locking arm is fixed with a locking plate head, and the locking plate head is connected with the upper pull rod.