CN218581630U

CN218581630U - Collapse-preventing supporting device for road bridge tunnel construction

Info

Publication number: CN218581630U
Application number: CN202223135816.4U
Authority: CN
Inventors: 叶爱军; 马长青
Original assignee: China Railway Construction Kunlun Investment Group Co Ltd
Current assignee: China Railway Construction Kunlun Investment Group Co Ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-03-07
Anticipated expiration: 2032-11-25

Abstract

The utility model discloses in relate to road and bridge tunnel construction technical field, a supporting device that prevents collapsing that road and bridge tunnel construction used is disclosed, including the stock body, still include the fixed pad system, the one end at the stock body is connected to the fixed pad system, and set up and fix stock and hanging net outside the stock hole, connect two sets of stock body through adopting the female connection sleeve pipe, make the stock body can extend the use, be convenient for insert and use in the dark stock hole, set up the stock body into cavity screwed pipe structure simultaneously, accomplish the back in the stock hole is installed to the stock body, can fill the concrete in the lumen of the stock body, strengthen the strength of the stock body, the separation blade divide into the portion of cup jointing that cup joints with the stock body with the casing head and the grafting portion of pegging graft anchoring agent, be convenient for push into in the stock hole to the anchoring agent, the setting up of shell fragment makes the stock body be difficult for droing off after inserting the stock hole.

Description

Anti-collapse supporting device for road bridge tunnel construction

Technical Field

The utility model discloses in relate to road bridge tunnel construction technical field, in particular to supporting device that collapses that road bridge tunnel construction used.

Background

The anti-collapse supporting device is usually used in the road bridge tunnel construction, wherein the device comprises an anchor rod support and the like, a rod column is made of metal pieces, wood pieces, polymer pieces or other materials, the rod column is driven into a hole which is pre-drilled in earth surface rock mass or rock mass around a chamber, and a special structure of a head part and a rod body and a tail supporting plate (which can be not used) are utilized, or the surrounding rock and a stable rock mass are combined together by depending on the bonding effect to generate the suspension effect, the combination beam effect and the reinforcement effect so as to achieve the purpose of supporting.

Publication No. CN211950541U patent document discloses an stock for tunnel supporting, belong to tunnel supporting technical field, including the stock body, stopping mechanism, push away thick liquid mechanism and fender mechanism, stopping mechanism can dismantle to be connected on the anchor section of the stock body, stopping mechanism is used for butt country rock and spacing stock body, push away thick liquid mechanism and locate on the outer circumference of the stock body, push away thick liquid mechanism and be used for promoting the anchor agent with the help of the rotation of the stock body and remove to the stock downthehole, fender mechanism locates on the free segment of the stock body, fender mechanism and tunnel wall butt for blockking that the anchor agent in the stock downthehole flows out.

Although firm connection of stock and country rock can be realized to foretell tunnel support stock, can not use according to the degree of depth of anchor eye to the stock extension in-service use, the pushing-in of anchoring agent has inconvenience simultaneously when using, is not convenient for push into the anchor eye with the anchoring agent, consequently discloses a support device that collapses of road bridge tunnel construction usefulness.

SUMMERY OF THE UTILITY MODEL

An object of the application is to provide a supporting device that prevents collapsing that road bridge tunnel construction used to it can not use according to the anchor eye degree of depth extension stock to solve the proposition in the above-mentioned background art, and the anchor agent is not convenient for push in the problem in the anchor eye.

In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a supporting device that collapses that road bridge tunnel construction used, includes the stock body, still includes:

the fixing pad head system is connected to one end of the anchor rod body and arranged outside the anchor hole to fix the anchor rod and the hanging net;

the sleeved anchor head system is sleeved and connected to the other end of the anchor rod body and inserted into the anchor hole, and the other end of the sleeved anchor head system is used for inserting and fixing the anchoring agent;

the female connection sleeve pipe, the female connection sleeve pipe is connected two sets of stock bodies, and the stock body after connecting inserts in the dark anchor hole.

Preferably, the anchor rod body is of a hollow threaded pipe structure, and a pipe cavity of the anchor rod body is filled with concrete.

Preferably, the fixed bolster headings include a bolster member sleeved on the anchor rod body and a nut threadedly mounted on the anchor rod body.

Preferably, the backing plate piece comprises a round backing plate body and a reinforcing pad head welded on one side of the round backing plate body and used for contacting the nut, and a grout stopping plug is fixedly mounted on the other side of the round backing plate body.

Preferably, cup joint the anchor head system and include the casing head and weld the barb end in casing head both sides, barb end expansion chucking carries out the fixed to the stock body in the anchor eye.

Preferably, the inner wall of the casing head is fixedly welded with a baffle sheet, the baffle sheet divides the casing head into a sleeve joint part sleeved with the anchor rod body and an insertion part used for inserting the anchoring agent, and the casing head is further provided with a fluid port used for the anchoring agent to fully flow in.

Preferably, the barb end is provided with circuitous portion including welding at the welding piece of casing head side and the barb shell fragment of welding in welding piece side on the free end of barb shell fragment.

To sum up, the utility model discloses a technological effect and advantage:

1. the utility model discloses in, connect two sets of stock through adopting the female connection sleeve pipe for the stock can extend the use, be convenient for insert and use in the dark anchor eye, set up the stock into cavity screwed pipe structure simultaneously, install the anchor eye at the stock and accomplish the back, can fill the concrete to the lumen of the stock, strengthen the stock's intensity, will only simultaneously fill in one side of thick liquid stopper fixed mounting at the round pad plate body, form a body structure with the round pad plate body, easy to assemble, and be convenient for more only fill in the anchor in thick liquid stopper.

2. The utility model discloses in, install the casing head suit that has the barb end on the stock bolt body, conveniently cup joint the anchor head system and be connected with the stock bolt body, and the separation blade divide into the portion of cup jointing that cup joints with the stock bolt body and the grafting portion that is used for grafting anchoring agent with the casing head, be convenient for push into in the stock bolt to anchoring agent, the setting up of barb shell fragment makes the stock bolt body difficult the coming off after inserting the stock bolt, and still offer the flowing liquid mouth that is used for the abundant inflow of anchoring agent on the casing head, make the bag body of anchoring agent break back anchoring agent can flow into flowing liquid mouth in and be connected between casing head and the stock bolt body and consolidate.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

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

FIG. 2 is a schematic view of a connection structure between a head of a fixing pad and an anchor rod body in the present embodiment;

FIG. 3 is a schematic view showing the construction of the backing plate member in the present embodiment;

fig. 4 is a schematic diagram of the socket anchor architecture in this embodiment.

In the figure: 1. an anchor rod body; 2. a fixing pad head system; 21. a pad member; 22. a nut; 201. a round pad plate body; 202. a reinforcing pad head; 203. stopping a slurry plug; 3. sleeving an anchor head system; 31. a casing head; 311. a baffle plate; 312. a liquid flow port; 301. a socket joint part; 302. a plug-in part; 32. a barb end; 321. welding the blocks; 322. a barb elastic sheet; 303. a detour section; 4. the internal thread is connected with the sleeve.

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.

Example (b): referring to fig. 1-4, an anti-collapse supporting device for road bridge tunnel construction includes the bolt body 1, still includes:

the fixing pad head system 2 is connected to one end of the anchor rod body 1 and arranged outside the anchor hole to fix the anchor rod and the hanging net;

the sleeved anchor head system 3 is sleeved and connected to the other end of the anchor rod body 1 and inserted into the anchor hole, and the other end of the sleeved anchor head system 3 is used for inserting and fixing the anchoring agent;

the anchor rod body 1 of two sets of is connected to female connection sleeve pipe 4, and the anchor rod body 1 after the connection inserts in the dark anchor eye.

As preferredly, the stock body 1 is the cavity screwed pipe structure, pack the concrete in the lumen of the stock body 1, connect two sets of stock body 1 through adopting female connection sleeve 4, make the stock body 1 can extend the use, be convenient for insert and use in the dark anchor eye, set up the stock body 1 into the cavity screwed pipe structure simultaneously, after accomplishing in the anchor eye is installed to the stock body 1, can pack the concrete in the lumen of the stock body 1, reinforcing stock body 1's intensity.

The fixed pad headsystem 2 includes cup jointing the nut 22 on the stock body 1 of backing plate spare 21 and screw thread installation on the stock body 1, backing plate spare 21 includes the round pad plate body 201 and the enhancement pad head 202 that is used for carrying out the contact to nut 22 of welding in round pad plate body 201 one side, opposite side fixed mounting at round pad plate body 201 has the thick liquid stopper 203 of ending, will end thick liquid stopper 203 fixed mounting in one side of round pad plate body 201 simultaneously, form a body structure with round pad plate body 201, easy to assemble, and be convenient for more end thick liquid stopper 203 and fill in the anchor.

The sleeved anchor head system 3 comprises a sleeve head 31 and barb ends 32 welded on two sides of the sleeve head 31, and the barb ends 32 are expanded and clamped in anchor holes to fix the anchor rod body 1.

Furthermore, a welding baffle piece 311 is fixed on the inner wall of the casing head 31, the baffle piece 311 divides the casing head 31 into a sleeve part 301 sleeved with the anchor rod body 1 and a plug part 302 used for plugging the anchoring agent, a fluid port 312 used for fully flowing the anchoring agent is further provided on the casing head 31, the casing head 31 welded with the barb end 32 is sleeved on the anchor rod body 1, the sleeve anchor head system 3 is conveniently connected with the anchor rod body 1, the casing head 31 is divided into the sleeve part 301 sleeved with the anchor rod body 1 and the plug part 302 used for plugging the anchoring agent by the baffle piece 311, the anchoring agent is conveniently pushed into the anchor hole, meanwhile, the barb 322 is provided so that the anchor rod body 1 is not easy to fall off after being inserted into the anchor hole, and the fluid port 312 used for fully flowing the anchoring agent is further provided on the casing head 31, so that the anchoring agent can flow into the fluid port 312 after the bag body of the anchoring agent is broken to reinforce the connection between the casing head 31 and the anchor rod body 1.

Barb end 32 is including welding the welding piece 321 of welding in the side of casing head 31 and welding barb shell fragment 322 in the side of welding piece 321, and further, is provided with circuitous portion 303 on barb shell fragment 322's free end, and circuitous portion 303's setting makes when inserting the anchor hole more smooth and easy.

This supporting device that collapses that road bridge tunnel construction used when using, connect two sets of stock body 1 through adopting female connection sleeve pipe 4, make stock body 1 can carry out the extension use, be convenient for insert and use in the dark stock eye, set up stock body 1 to cavity screwed pipe structure simultaneously, accomplish the back in the stock eye is installed to stock body 1, can fill the concrete to the intracavity of stock body 1, strengthen stock body 1's intensity, and separation blade 311 divide into the socket joint portion 301 that cup joints with stock body 1 with casing head 31 and be used for pegging graft grafting anchoring agent's grafting portion 302, be convenient for push into the stock eye to anchoring agent, setting up of barb shell fragment 322 makes stock body 1 difficult after inserting the stock eye drop simultaneously.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions on some technical features, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a supporting device that collapses that road bridge tunnel construction used, includes the stock body (1), its characterized in that still includes:

the fixing pad head system (2) is connected to one end of the anchor rod body (1) and arranged outside the anchor hole to fix the anchor rod and the hanging net;

the sleeved anchor head system (3) is connected to the other end of the anchor rod body (1) in a sleeved mode and inserted into the anchor hole, and the other end of the sleeved anchor head system (3) is used for inserting and fixing the anchoring agent;

the anchor rod body is characterized by comprising an internal thread connecting sleeve (4), wherein the internal thread connecting sleeve (4) is used for connecting two groups of anchor rod bodies (1), and the connected anchor rod bodies (1) are inserted into deep anchor holes.

2. The collapse prevention supporting device for road, bridge and tunnel construction according to claim 1, wherein: the anchor rod body (1) is of a hollow threaded pipe structure, and concrete is filled in a pipe cavity of the anchor rod body (1).

3. The collapse prevention supporting device for road, bridge and tunnel construction according to claim 1, wherein: the fixing pad head system (2) comprises a pad piece (21) sleeved on the anchor rod body (1) and a nut (22) installed on the anchor rod body (1) in a threaded mode.

4. The collapse prevention supporting device for road, bridge and tunnel construction according to claim 3, wherein: the gasket plate (21) comprises a circular gasket plate body (201) and a reinforcing gasket head (202) which is welded on one side of the circular gasket plate body (201) and used for contacting the nut (22), and a grout stop plug (203) is fixedly installed on the other side of the circular gasket plate body (201).

5. The collapse prevention supporting device for road, bridge and tunnel construction according to claim 1, wherein: cup joint anchor headdress (3) and include that sleeve head (31) and welding hold (32) at barb of sleeve head (31) both sides, barb end (32) expansion chucking carry out the fixed to the stock body (1) in the anchor eye.

6. The collapse prevention supporting device for road, bridge and tunnel construction according to claim 5, wherein: the inner wall of the sleeve head (31) is fixedly welded with a baffle sheet (311), the baffle sheet (311) divides the sleeve head (31) into a sleeve joint part (301) sleeved with the anchor rod body (1) and a plug-in part (302) used for plugging in the anchoring agent, and a liquid flowing port (312) used for allowing the anchoring agent to fully flow in is further formed in the sleeve head (31).

7. The collapse prevention supporting device for road, bridge and tunnel construction according to claim 5, wherein: barb end (32) are provided with circuitous portion (303) including welding piece (321) and barb shell fragment (322) of welding piece (321) side in casing head (31) side on the free end of barb shell fragment (322).