CN219570148U - Subway tunnel spout district section safety system hangs instrument - Google Patents

Abstract

The utility model relates to the technical field of subway tunnels, in particular to a safety tying and hanging tool for a subway tunnel sliding groove section. According to the utility model, the fixing bolt, the nut, the tying buckle, the saw tooth groove and the anti-loosening washer are arranged, so that the anti-loosening device has the functions of quick installation and fixation, and the safe tying tool is convenient to carry.

Description

Subway tunnel spout district section safety system hangs instrument

Technical Field

The utility model relates to the technical field of subway tunnels, in particular to a safety tying and hanging tool for a chute section of a subway tunnel.

Background

At present, safety protection for high-altitude operation in a subway tunnel is mainly achieved by hanging a safety auxiliary rope firstly and then tying a safety belt on the auxiliary rope so as to ensure the safety of high-altitude operation personnel.

In the prior art, the tunnel chute section is provided with a safety auxiliary rope, firstly, the length is limited relatively, the length of the auxiliary rope is generally 50-100 meters, and the auxiliary rope is required to be moved at any time when being too short compared with the length of a tunnel for several kilometers; secondly, fix inconvenient, auxiliary rope adopts the crab-bolt to implant on the wall generally and fixes, and tunnel spout section of jurisdiction arm does not let the pre-buried crab-bolt under the general circumstances, for this, we propose a subway tunnel spout district safety system and hangs instrument for solve above-mentioned problem.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, a mode of installing a safety auxiliary rope in a tunnel chute section exists, firstly, the length limitation is relatively large, the length of the auxiliary rope is generally 50-100 meters, and the auxiliary rope needs to be moved at any time when the length is too short compared with the length of a tunnel kilometer; secondly, the fixing is inconvenient, the auxiliary rope is generally fixed by being implanted on a wall through an anchor bolt, the tunnel chute duct piece arm is generally free from the defect of embedding the anchor bolt, and the safety tying and hanging tool for the subway tunnel chute section is provided.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a subway tunnel spout district section safety system hangs instrument, includes fixing bolt, the fixing bolt outside is equipped with the nut through threaded connection, is tied and buckles, the fixing bolt outside slides and to dismantle and is equipped with lock washer, lock washer establishes in the nut upside, the fixing bolt inboard is equipped with spacing subassembly.

Preferably, the fixing bolt is of a T-shaped structure.

Preferably, the fixing bolt is made of low-carbon alloy steel.

Preferably, a saw tooth groove is arranged on the lower side of the fixing bolt.

Preferably, the limiting component comprises a limiting block, the limiting block slides on the inner side of the fixing bolt, a spring is fixedly arranged on one side of the limiting block, and the spring is fixed on one side in the fixing bolt.

The utility model provides a safety tying and hanging tool for a subway tunnel chute section, which has the beneficial effects that:

(1) The fixing bolt, the nut and the fastening buckle and the anti-loosening washer are arranged, so that the anti-loosening washer has a fixing function, and the anti-loosening washer enables the fixing of the fixing bolt to be firmer, and is simple and convenient to operate and quite practical.

(2) Through setting up and tying the knot, sawing tooth's socket, stopper, spring, prevented tying and detaining the gliding, improved safety protection, press the stopper rotation and tie and detain and can take off, convenient and fast.

Drawings

FIG. 1 is a schematic diagram of a front side axial structure of a safety hitching tool for a chute section of a subway tunnel according to the present utility model;

fig. 2 is a schematic diagram of a side sectional axis measurement structure of a safety hitching tool for a subway tunnel chute section according to the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. a fixing bolt; 2. a nut; 3. tying a hanging buckle; 4. sawing tooth grooves; 5. a lock washer; 6. a limiting block; 7. a spring; 8. a tunnel chute section; 9. and a sliding groove.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Embodiments of the utility model are illustrated in the accompanying drawings. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

It will be appreciated that spatially relative terms such as "under …," "under …," "below," "under …," "over …," "above," and the like may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use and operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements or features described as "under" or "beneath" other elements would then be oriented "on" the other elements or features. Thus, the exemplary terms "under …" and "under …" may include both an upper and a lower orientation. Furthermore, the device may also include an additional orientation (e.g., rotated 90 degrees or other orientations) and the spatial descriptors used herein interpreted accordingly.

Referring to fig. 1-2, a subway tunnel spout section safety system hangs instrument, including fixing bolt 1, the fixing bolt 1 outside is equipped with nut 2 through threaded connection, system is hung and is detained 3, the fixing bolt 1 outside slides and to dismantle and be equipped with lock washer 5, lock washer 5 establishes in nut 2 upside, fixing bolt 1 is T type structure, fixing bolt 1 is low carbon alloy steel material, fixing bolt 1 downside is equipped with saw tooth groove 4, fixing bolt 1 has been adopted, nut 2, be hung and detain 3, lock washer 5, make it have fixed function, lock washer 5 makes fixing bolt 1's fixed more firm simultaneously, and is easy and convenient to operate, it is very practical.

The specific implementation method comprises the following steps: the fixing bolt 1 slides to the inner side of the tunnel chute section 8, the nut 2 is connected to the outer side of the fixing bolt 1 through threads, the nut 2 is rotated to enable the lock washer 5 to be tightly attached to the tunnel wall, the nut 2 is screwed down to be fixed, a reliable safety stress point is formed, after the fastening buckle 3 is connected to the outer side of the fixing bolt 1 through threads, a worker hangs the safety belt buckle into the fastening buckle ring, a safety fastening hanging point is formed, and the safety protection function during high-altitude operation is met.

Low alloy steel refers to alloy steel with a total amount of alloying elements of less than 5%. Low alloy steels are intended to incorporate one or more alloying elements into the steel in order to improve the properties of the steel, as opposed to carbon steel. When the added alloy exceeds the normal content of the carbon steel in the normal production method, the steel is called alloy steel. When the total alloy content is less than 5%, the alloy is called low alloy steel, the common alloy steel is generally below 3.5%, the alloy content is between 5 and 10% and the medium alloy steel is called high alloy steel, and the alloy content is more than 10%. The fixing bolt 1 is made of 8.8-grade low-carbon alloy steel and is made of a full-thread screw rod with the model of M12, can bear more than 400kg of gravity to fall suddenly, and can completely ensure the personal safety of high-altitude operators.

The safety tying tool has the beneficial effects that: 1. the safe tying tool is used for realizing construction at the high position of the tunnel chute section, and a safe auxiliary rope is not required to be installed in advance, so that the construction efficiency is improved. 2. The multi-point simultaneous construction can be realized, the safety of high-altitude operation is guaranteed, the operation point is flexible, and the multi-point simultaneous construction can be used at any time. 3. The safety tying and hanging tool is convenient to carry and low in cost, can meet the safety protection of full-range high-place operation, reduces the construction cost, and ensures the safety of operators.

The fixing bolt 1 inboard is equipped with spacing subassembly, and spacing subassembly includes stopper 6, and stopper 6 slides in fixing bolt 1 inboard, and stopper 6 one side is fixed to be equipped with spring 7, and spring 7 is fixed in one side in fixing bolt 1, has adopted to tie to hang and detain 3, sawtooth groove 4, stopper 6, spring 7, has prevented to tie to hang and detain the gliding, has improved safety protection, presses stopper 6 rotation to tie to hang and detain 3 and can take off, convenient and fast, during concrete implementation: the limiting block 6 is pressed, the rotating tie-down buckle 3 passes over the limiting block 6, the limiting block 6 stretches out under the action of the elastic force of the spring 7, so that the tie-down buckle 3 is limited to slide downwards, the safety protection of a safety tie-down tool is improved, the rotating tie-down buckle 3 can be taken down in the same way when the limiting block 6 is pressed, the operation is convenient and quick, and the sawtooth groove 4 at the lower side of the fixing bolt 1 is meshed with the sliding groove 9, so that the safety tie-down buckle is ensured.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims (5)

1. The utility model provides a subway tunnel spout district safety system hangs instrument, includes fixing bolt (1), its characterized in that, fixing bolt (1) outside is equipped with nut (2) through threaded connection, is to tie and buckles (3), fixing bolt (1) outside slip can dismantle and be equipped with lock washer (5), lock washer (5) are established in nut (2) upside, fixing bolt (1) inboard is equipped with spacing subassembly.

2. The subway tunnel chute section safety tie-down tool according to claim 1, wherein the fixing bolt (1) is of a T-shaped structure.

3. The subway tunnel runner section safety tie-down tool according to claim 1, wherein the fixing bolt (1) is made of low-carbon alloy steel.

4. The subway tunnel runner section safety tie-down tool according to claim 1, wherein the fixing bolt (1) is provided with a serration groove (4) on the lower side.

5. The subway tunnel chute section safety tying and hanging tool according to claim 1, wherein the limiting assembly comprises a limiting block (6), the limiting block (6) slides on the inner side of the fixing bolt (1), a spring (7) is fixedly arranged on one side of the limiting block (6), and the spring (7) is fixed on one side in the fixing bolt (1).