CN208137971U - A kind of pawl formula bolt semicircular ring of the main reinforcement connection of grillage - Google Patents

A kind of pawl formula bolt semicircular ring of the main reinforcement connection of grillage Download PDF

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Publication number
CN208137971U
CN208137971U CN201820506950.5U CN201820506950U CN208137971U CN 208137971 U CN208137971 U CN 208137971U CN 201820506950 U CN201820506950 U CN 201820506950U CN 208137971 U CN208137971 U CN 208137971U
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CN
China
Prior art keywords
semicircular ring
pawl
grillage
semicircular
main reinforcement
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Active
Application number
CN201820506950.5U
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Chinese (zh)
Inventor
王文正
孔恒
黄明利
韩雪刚
张艳秋
张志恩
赵欣
王辉
郭连东
王忠伟
于春波
梁俊海
王日升
马虹霞
赵宏伟
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Beijing Jiaotong University
Beijing Municipal Construction Co Ltd
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Beijing Jiaotong University
Beijing Municipal Construction Co Ltd
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Priority to CN201820506950.5U priority Critical patent/CN208137971U/en
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Abstract

The utility model discloses a kind of pawl formulas of the main reinforcement of grillage connection to bolt semicircular ring, belong to Tunnel Engineering technical field, the device is made of fixing seat and an annulus, the top that the annulus is located at fixing seat is fixedly connected, the annulus is made of two semicircular rings, one of them is the semicircular ring two with pawl, the other is the semicircular ring one fixed with fixing seat;The semicircular ring one is formed by connecting by two semicircular rings side by side up and down, and one end of semicircular ring is fixedly connected with the fixing seat with tooth socket, and the other end is bolted with the semicircular ring two with pawl;Utility model device is buckled in the main reinforcement of grillage, both it had been able to achieve the longitudinally connected of two Pin grillages, while improving the overall stability of support system, it can guarantee the accurate installation of next Pin grillage again, it is easy to operate, connection speed compensate for reinforcement welding fastly and can not improve construction efficiency in terms of deficiency, suitable for the Tunnel Engineering using grillage as supporting construction.

Description

A kind of pawl formula bolt semicircular ring of the main reinforcement connection of grillage
Technical field
The utility model relates to Tunnel Engineering technical fields, more specifically, it relates to which a kind of main reinforcement of grillage connects The pawl formula bolt semicircular ring connect.
Background technique
Currently, cavern uses grid steel frame supporting after tunnel excavation, in order to reinforce the overall stability of grid steel frame, use Longitudinal reinforcement in a welding manner connects each grid steel frame, but the mode of human weld is time-consuming and laborious, reduces Construction efficiency at the same time in a welding manner connects longitudinal reinforcement and each grid steel frame, leads to grid steel frame branch The problems such as shield assembly and disassembly are difficult, and there are rosin joint, slag inclusion, crackle, burn-throughs, influences the monolithic stability of grid steel frame supporting Property and safety.Improving longitudinal reinforcement and the connection type of grid steel frame in this case is particularly important.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of connections of the main reinforcement of grillage Pawl formula bolt semicircular ring, improve longitudinal reinforcement and grid steel frame connection type, improve grid steel frame support system it is whole Body stability improves construction efficiency, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides the following technical solutions:
A kind of pawl formula bolt semicircular ring of the main reinforcement connection of grillage, is made of, the circle fixing seat and an annulus The top that ring is located at fixing seat is fixedly connected, and the annulus is made of two semicircular rings, one of them is with pawl Semicircular ring two, the other is the semicircular ring one fixed with fixing seat;The semicircular ring one is by two semicircular rings side by side up and down It is formed by connecting, one end of semicircular ring is fixedly connected with the fixing seat with tooth socket, the other end and two bolt of semicircular ring for having pawl It connects.
Further, the pawl is located at the bottom outside of semicircular ring two, in two bottom of semicircular ring and has tooth socket When fixing seat is fixedly connected, pawl is caught in tooth socket.
Further, the semicircular ring two is formed with semicircular ring one by bolted-on, the setting of semicircular ring two and semicircular ring one Two semicircular rings side by side up and down between, offer bolt hole for spiral shell in two semicircular rings of semicircular ring two and semicircular ring one Bolt is passed through and is bolted.
Further, the diameter and the diameter phase of grillage main reinforcement for the annulus that the semicircular ring two and semicircular ring one form Deng annulus is fixedly connected with fixing seat.
Further, the pawl is crossed pressure spring with semicircular ring two-way and is connect, and pressure spring is embedded in the card slot of semicircular ring two.
Further, the tooth socket has several through-holes so that the pawl of semicircular ring two can only one direction it is mobile, size It is adapted with the size of the pawl of semicircular ring two.
In conclusion the utility model has the advantages that compared with prior art:
Utility model device is buckled in the main reinforcement of grillage, has both been able to achieve the longitudinally connected of two Pin grillages, has been mentioned While the overall stability of high support system, and it can guarantee the accurate installation of next Pin grillage, easy to operate, connection speed Degree compensate for reinforcement welding fastly and can not improve construction efficiency in terms of deficiency.
The utility model is suitable for using Tunnel Engineering of the grillage as supporting construction.
For the structure feature and effect for more clearly illustrating the utility model, come with reference to the accompanying drawing with specific embodiment pair The utility model is described in detail.
Detailed description of the invention
Fig. 1 is that the pawl formula of the main reinforcement connection of the grillage of the utility model bolts the structural schematic diagram of semicircular ring.
Fig. 2 is the structural schematic diagram of semicircular ring one fixed with fixing seat in the utility model.
Fig. 3 is the structural schematic diagram of the semicircular ring two in the utility model with pawl.
Appended drawing reference:1- fixing seat, 2- semicircular ring one, 3- semicircular ring two, 4- bolt, 5- tooth socket, 6- bolt hole, 7- fall Tooth.
Specific embodiment
The technical solution of the utility model is described further in the following with reference to the drawings and specific embodiments.
Referring to Fig. 1-3, a kind of pawl formula bolt semicircular ring of the main reinforcement connection of grillage, by fixing seat 1 and a circle Ring composition, the top which is located at fixing seat 1 are fixedly connected, and the annulus is made of two semicircular rings, one of them It is the semicircular ring 23 with pawl 7, the other is the semicircular ring one 2 fixed with fixing seat 1;The semicircular ring 1 is by two Semicircular ring side by side up and down is formed by connecting, and one end of semicircular ring is fixedly connected with the fixing seat 1 with tooth socket 5, the other end and band There is the semicircular ring 23 of pawl 7 to bolt.
The pawl 7 is located at the bottom outside of semicircular ring 23, in 23 bottom of semicircular ring and the fixation for having tooth socket 5 When seat 1 is fixedly connected, pawl 7 is caught in tooth socket 5.
The semicircular ring 23 is bolted with semicircular ring 1 by bolt 4, the setting of semicircular ring 23 and semicircular ring 1 Between two semicircular rings side by side up and down, the confession of bolt hole 6 is offered in two semicircular rings of semicircular ring 23 and semicircular ring 1 Bolt 4 is passed through and is bolted.
Preferably, in the present embodiment, the diameter and grille arch for the annulus that the semicircular ring 23 and semicircular ring 1 form The diameter of frame main reinforcement is equal, and annulus is fixedly connected with fixing seat 1.
Preferably, in the present embodiment, the pawl 7 is connect with semicircular ring 23 by pressure spring, and pressure spring is embedded in semicircle In the card slot of ring 23, so that pawl 7 can move up and down under the action of being under pressure, pawl 7 is stretched along the card slot of semicircular ring 23 Contracting, adjusting easy to remove.
Preferably, in the present embodiment, the tooth socket 5 has several through-holes, so that the pawl 7 of semicircular ring 23 can only One direction is mobile, and the size of the pawl 7 of size and semicircular ring 23 is adapted.
The working principle of the utility model is:
The pawl formula bolts semicircular ring when in the main reinforcement for be buckled in grillage, and annulus snapping step is:
A, the semicircular ring of annulus 1 and semicircular ring 23 are rotated around the bolt 4 that the two bolts, making the two other end is in Open state simultaneously rides over the annulus of opening in the main reinforcement of grillage;
B, the semicircular ring 1 of the open-shaped state in the main reinforcement for riding over grillage and semicircular ring 23 are bolted around the two Bolt 4 rotate backward closure, and be fixedly connected with the semicircular ring 23 with pawl 7 with the fixing seat 1 for having tooth socket 5, pawl 7 are caught in tooth socket 5, so that annulus be made to be buckled in the main reinforcement of grillage, complete the operation of annulus snapping.
Utility model device is buckled in the main reinforcement of grillage, has both been able to achieve the longitudinally connected of two Pin grillages, has been mentioned While the overall stability of high support system, and it can guarantee the accurate installation of next Pin grillage, easy to operate, connection speed Degree compensate for reinforcement welding fastly and can not improve construction efficiency in terms of deficiency.
The utility model is suitable for using Tunnel Engineering of the grillage as supporting construction.
Technical principle of the utility model has been described above with reference to specific embodiments, is only the preferred implementation of the utility model Mode.The protection scope of the utility model is not limited merely to above-described embodiment, technology belonging to the idea of the present invention Scheme belongs to the protection scope of the utility model.Those skilled in the art, which does not need to pay for creative labor, to be associated To other specific embodiments of the utility model, these modes are fallen within the protection scope of the utility model.

Claims (6)

1. the pawl formula that a kind of main reinforcement of grillage connects bolts semicircular ring, it is made of fixing seat (1) and an annulus, it is special Sign is that the top that the annulus is located at fixing seat (1) is fixedly connected, and the annulus is made of two semicircular rings, wherein one A is the semicircular ring two (3) with pawl (7), the other is the semicircular ring one (2) fixed with fixing seat (1);The semicircle Ring one (2) is formed by connecting by two semicircular rings side by side up and down, and one end of semicircular ring is solid with the fixing seat (1) with tooth socket (5) Fixed connection, the other end are bolted with the semicircular ring two (3) with pawl (7).
2. the pawl formula that a kind of main reinforcement of grillage according to claim 1 connects bolts semicircular ring, which is characterized in that The pawl (7) is located at the bottom outside of semicircular ring two (3), in semicircular ring two (3) bottom and the fixation for having tooth socket (5) When seat (1) is fixedly connected, pawl (7) is caught in tooth socket (5).
3. the pawl formula that a kind of main reinforcement of grillage according to claim 2 connects bolts semicircular ring, which is characterized in that The semicircular ring two (3) is bolted with semicircular ring one (2) by bolt (4), semicircular ring two (3) setting and semicircular ring one (2) Two semicircular rings side by side up and down between, offer bolt in two semicircular rings of semicircular ring two (3) and semicircular ring one (2) Hole (6) passes through for bolt (4) and is bolted.
4. the pawl formula that a kind of main reinforcement of grillage according to claim 1 or 2 or 3 connects bolts semicircular ring, special Sign is that the diameter of the annulus of the semicircular ring two (3) and semicircular ring one (2) composition is equal with the diameter of grillage main reinforcement, Annulus is fixedly connected with fixing seat (1).
5. the pawl formula that a kind of main reinforcement of grillage according to claim 4 connects bolts semicircular ring, which is characterized in that The pawl (7) is connect with semicircular ring two (3) by pressure spring, and pressure spring is embedded in the card slot of semicircular ring two (3).
6. the pawl formula that a kind of main reinforcement of grillage according to claim 2 connects bolts semicircular ring, which is characterized in that The tooth socket (5) has several through-holes, so that the pawl (7) of semicircular ring two (3) can only one direction movement, size and semicircle The size of the pawl (7) of ring two (3) is adapted.
CN201820506950.5U 2018-04-11 2018-04-11 A kind of pawl formula bolt semicircular ring of the main reinforcement connection of grillage Active CN208137971U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820506950.5U CN208137971U (en) 2018-04-11 2018-04-11 A kind of pawl formula bolt semicircular ring of the main reinforcement connection of grillage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820506950.5U CN208137971U (en) 2018-04-11 2018-04-11 A kind of pawl formula bolt semicircular ring of the main reinforcement connection of grillage

Publications (1)

Publication Number Publication Date
CN208137971U true CN208137971U (en) 2018-11-23

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820506950.5U Active CN208137971U (en) 2018-04-11 2018-04-11 A kind of pawl formula bolt semicircular ring of the main reinforcement connection of grillage

Country Status (1)

Country Link
CN (1) CN208137971U (en)

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