CN213742176U

CN213742176U - Sliding telescopic excavation rack device

Info

Publication number: CN213742176U
Application number: CN202022093975.7U
Authority: CN
Inventors: 赵泽南; 韩松; 韩占成; 张奉池; 何智浩; 袁阳; 仵哲
Original assignee: Railway Tenth Group Northwest Engineering Co ltd; China Railway No 10 Engineering Group Co Ltd
Current assignee: Railway Tenth Group Northwest Engineering Co ltd; China Railway No 10 Engineering Group Co Ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-07-20
Anticipated expiration: 2030-09-22

Abstract

The utility model discloses a scalable excavation rack set device slides, including lower step and bolt, step in the top fixedly connected with of lower step, the left side fixedly connected with balancing weight of well step inner chamber bottom, the equal fixedly connected with mounting bracket in both sides around the well step top, the inner chamber swing joint of mounting bracket has the pulley, the top of well step is provided with the upper ledge, the spout guide rail has all been seted up to both sides around the upper ledge bottom, the top of pulley extends to the inner chamber of spout guide rail, the top of well step front and back both sides and the equal fixedly connected with inserted block in bottom of both sides around the upper ledge. The utility model discloses a set up down step, balancing weight, bolt, upper ledge, inserted block, mounting bracket, well step, stiffener, pulley and spout guide rail's cooperation and use, possess can be quick to the adjustment of adaptation of excavation rack, improved excavation efficiency, alleviateed the advantage of workman's working strength.

Description

Sliding telescopic excavation rack device

Technical Field

The utility model relates to a tunnel engineering excavation construction technical field specifically is scalable excavation rack device slides.

Background

A tunnel is a building constructed underground or underwater or in a mountain, with railways or roads for motor vehicles to pass through. The tunnel can be divided into three categories of mountain tunnels, underwater tunnels and urban tunnels according to the positions of the tunnels. Traversing from mountains or hills to shorten distances and avoid large ramps is called a mountain tunnel.

At present, tunneling construction of tunnel engineering is mostly carried out by adopting a drilling and blasting method, a rack is widely applied to a construction site as a working platform of operators, and the existing rack cannot be quickly adapted and adjusted when the surrounding rock alternative excavation method is frequently switched, so that the excavation efficiency is reduced, and the working strength of workers is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a scalable excavation rack device slides possesses can be quick and adapts to the adjustment to the excavation rack, has improved excavation efficiency, has alleviateed the working strength's of workman advantage, has solved the adaptation adjustment that current rack can not realize the excavation rack fast, has reduced excavation efficiency, has increased the working strength's of workman problem.

In order to achieve the above object, the utility model provides a following technical scheme: scalable excavation rack set up slides, including lower step and bolt, step in the top fixedly connected with of lower step, the left side fixedly connected with balancing weight of well step inner chamber bottom, the equal fixedly connected with mounting bracket in both sides around the well step top, the inner chamber swing joint of mounting bracket has the pulley, the top of well step is provided with the upper ledge, the spout guide rail has all been seted up to both sides around the upper ledge bottom, the top of pulley extends to the inner chamber of spout guide rail, the top of both sides and the equal fixedly connected with inserted block in bottom of both sides around the upper ledge around the top of well step front and back both sides pass through bolt fixed connection between two upper and lower inserted blocks.

Preferably, the inner cavities of the lower step, the middle step and the upper step are fixedly connected with reinforcing rods, and the surface of the bolt is movably connected with the joint of the insertion block.

Preferably, the connection part of the inner cavity of the mounting frame and the pulley is movably connected through a shaft pin, and the number of the mounting frame and the pulley is not less than seven.

Preferably, the number of the bolts is not less than twelve, and the bolts are uniformly distributed at the bottoms of the front side and the rear side of the upper step.

Preferably, the main structural material of the lower step, the middle step and the upper step is I20/18I-steel.

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

1. the utility model discloses a set up down step, balancing weight, bolt, upper ledge, inserted block, mounting bracket, well step, stiffener, pulley and spout guide rail's cooperation and use, possess can be quick to the adjustment of adaptation of excavation rack, improved excavation efficiency, alleviateed the working strength's of workman advantage, be worth promoting.

2. The utility model can make the lower step, the middle step and the upper step more firm by arranging the reinforcing rods;

by arranging the balancing weight, the gantry can be prevented from toppling when the micro-step excavation is carried out;

through setting up the pivot, can make things convenient for the pulley installation, make the pulley roll.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a left side view of the partial structure of the present invention;

fig. 3 is an enlarged view of a in fig. 1 according to the present invention.

In the figure: 1 lower step, 2 balancing weights, 3 bolts, 4 upper steps, 5 insertion blocks, 6 mounting frames, 7 middle steps, 8 reinforcing rods, 9 pulleys and 10 chute guide rails.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model provides a lower step 1, balancing weight 2, bolt 3, upper step 4, inserted block 5, mounting bracket 6, well step 7, stiffener 8, pulley 9 and parts such as spout guide rail 10 are the parts that general standard or field technician know, and its structure and principle all can learn through the technical manual or learn through conventional experimental method for field technician.

Referring to fig. 1-3, the sliding telescopic excavation bench device comprises a lower step 1 and a bolt 3, wherein the top of the lower step 1 is fixedly connected with a middle step 7, the left side of the bottom of the inner cavity of the middle step 7 is fixedly connected with a balancing weight 2, the front side and the rear side of the top of the middle step 7 are fixedly connected with a mounting frame 6, the inner cavity of the mounting frame 6 is movably connected with a pulley 9, the top of the middle step 7 is provided with an upper step 4, the front side and the rear side of the bottom of the upper step 4 are respectively provided with a chute guide rail 10, the top of the pulley 9 extends to the inner cavity of the chute guide rail 10, the top of the front side and the rear side of the middle step 7 and the bottom of the front side and the rear side of the upper step 4 are respectively fixedly connected with an insert block 5, and the upper insert block 5 and the lower block are fixedly connected through the bolt 3;

the inner cavities of the lower step 1, the middle step 7 and the upper step 4 are fixedly connected with a reinforcing rod 8, and the surface of the plug pin 3 is movably connected with the joint of the plug block 5;

the connecting part of the inner cavity of the mounting frame 6 and the pulley 9 is movably connected through a shaft pin, and the number of the mounting frame 6 and the pulley 9 is not less than seven;

the number of the bolts 3 is not less than twelve, and the bolts are uniformly distributed at the bottoms of the front side and the rear side of the upper step 4;

the main structural materials of the lower step 1, the middle step 7 and the upper step 4 are I20/18I-steel;

the lower step 1, the middle step 7 and the upper step 4 can be firmer by arranging the reinforcing rods 8;

by arranging the balancing weight 2, the gantry can be prevented from toppling when micro-step excavation is carried out;

through setting up the pivot, can make things convenient for pulley 9 to install, make pulley 9 roll.

During the use, when carrying out full section excavation, upper ledge 4 keeps initial fixed position, carry out excavation work, when needs carry out little step excavation, extract the bolt 3 of both sides and promote upper ledge 4 to having, pulley 9 is smooth in spout guide rail 10 carries out rolling motion, after upper ledge 4 moved right to suitable position, stop promoting and make two inserted blocks 5 align about two, then insert two inserted blocks 5 about 3 bolt once more in, fix two inserted blocks 5 about, upper ledge 4 and well step 7 are fixed along with it, the workman carries out little step excavation work, can be quick the adjusting of rack like this, excavation efficiency is improved, workman's working strength has been alleviateed.

In summary, the following steps: this scalable excavation rack device slides, through the cooperation of lower step 1, balancing weight 2, bolt 3, upper ledge 4, inserted block 5, mounting bracket 6, well step 7, stiffener 8, pulley 9 and spout guide rail 10 use, solved the adaptation adjustment that current rack can not realize the excavation rack fast, reduced excavation efficiency, increased the problem of workman's working strength.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Scalable excavation rack device slides, including lower step (1) and bolt (3), its characterized in that: step (7) in the top fixedly connected with of lower step (1), the left side fixedly connected with balancing weight (2) of well step (7) inner chamber bottom, the equal fixedly connected with mounting bracket (6) in both sides around well step (7) top, the inner chamber swing joint of mounting bracket (6) has pulley (9), the top of well step (7) is provided with upper ledge (4), spout guide rail (10) have all been seted up to both sides around upper ledge (4) bottom, the top of pulley (9) extends to the inner chamber of spout guide rail (10), the top of both sides and the equal fixedly connected with inserted block (5) in bottom of upper ledge (4) both sides around well step (7) pass through bolt (3) fixed connection between two upper and lower inserted blocks (5).

2. The sliding retractable excavation staging device of claim 1, wherein: the inner cavities of the lower step (1), the middle step (7) and the upper step (4) are fixedly connected with reinforcing rods (8), and the surface of the bolt (3) is movably connected with the joint of the insert block (5).

3. The sliding retractable excavation staging device of claim 1, wherein: the connecting part of the inner cavity of the mounting frame (6) and the pulley (9) is movably connected through a shaft pin, and the number of the mounting frame (6) and the pulley (9) is not less than seven.

4. The sliding retractable excavation staging device of claim 1, wherein: the number of the bolts (3) is not less than twelve, and the bolts are uniformly distributed at the bottoms of the front side and the rear side of the upper step (4).

5. The sliding retractable excavation staging device of claim 1, wherein: the main structural materials of the lower step (1), the middle step (7) and the upper step (4) are I20/18I-steel.