CN220167984U

CN220167984U - Slag chute of diversion inclined shaft

Info

Publication number: CN220167984U
Application number: CN202320968510.2U
Authority: CN
Inventors: 李雷; 李海; 孟庆廷; 邵宏魁; 宫立伟
Original assignee: Sinohydro Bureau 6 Co Ltd
Current assignee: Sinohydro Bureau 6 Co Ltd
Priority date: 2023-04-26
Filing date: 2023-04-26
Publication date: 2023-12-12
Anticipated expiration: 2033-04-26

Abstract

The utility model discloses a slag chute of a diversion inclined shaft, which comprises an inclined shaft excavation side line, a sleeper, a material transportation winch track, a rear matched trailer track and a slag chute, wherein the top of the slag chute is connected with a top sealing plate through bolts, the notches at the two ends of the slag chute are in a shrinkage shape, and a plurality of groups of descent control components are arranged in the slag chute; the slag stone can be slowly lowered to a certain extent through the arrangement of the slowly lowering component.

Description

Slag chute of diversion inclined shaft

Technical Field

The utility model relates to the technical field of inclined shaft TBM slag chute, in particular to a slag chute of a diversion inclined shaft.

Background

TBM hard rock tunnel boring machine is a special engineering machine for tunneling, has the functions of excavating and cutting soil body, conveying mud residue, assembling tunnel lining and the like, and has been widely used for tunnel engineering of subways, railways, highways, municipal administration, hydropower and the like. The conventional TBM tunneling machine is suitable for the construction of a + -5% gradient flat tunnel, and the large-gradient inclined shaft TBM tunneling machine can solve the difficult problem of the excavation of a large-gradient inclined tunnel.

At present, when the conventional TBM heading machine is used, slag is required to be slipped by using a slag chute, most of the existing slag chute is of an open structure, slag stones are splashed around in the discharging process, so that the forming hole wall is damaged, meanwhile, the existing slag chute has no slow-descending function, slag Dan Rongyi is blocked at the outlet of the slag chute, the impact force between the slag stones and the slag chute is large, and the lining of the slag chute is easily damaged.

Disclosure of Invention

The utility model aims to provide a slag chute of a diversion inclined shaft so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a swift current slag notch of diversion inclined shaft, includes inclined shaft excavation sideline, sleeper, material transportation winch track, back supporting trailer track and swift current slag notch, the sleeper is fixed to be set up on the inclined shaft excavation sideline, material transportation winch track and back supporting trailer track are fixed to be set up on the sleeper, the swift current slag notch is located the sleeper lower part of tunneling direction slope section, the sectional preparation of swift current slag notch, and every section swift current slag notch's length is 1.5m, every section the swift current slag notch is fixed at the tip of swift current slag notch both sides wall through 4 750mm anchor bars, the top of swift current slag notch has the top closing plate through bolted connection, the notch at swift current slag notch both ends is the throat shape, be provided with multiunit in the swift current slag notch and slow down the subassembly.

Preferably, the descent control assembly comprises two fixing plates and two buffer steel bars, wherein the two fixing plates are connected with the inner wall of the slag chute through bolts, and the two buffer steel bars are fixedly arranged between the two fixing plates.

Preferably, the top sealing plate is fixedly provided with a water flushing assembly.

Preferably, the water flushing assembly comprises two brackets, a fixed water pipe, a plurality of flushing pipes and a water inlet pipe, wherein two brackets are fixedly arranged at the bottom of the top sealing plate, the fixed water pipe is fixedly connected with the two brackets, a plurality of flushing pipes are fixedly connected with the bottom of the fixed water pipe, and one end of the water inlet pipe is fixedly connected with the top of the fixed water pipe.

Preferably, the distance between the two buffer steel bars is 10cm.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the slag chute can be sealed through the top sealing plate arranged at the top of the slag chute, so that a closed slag chute channel is formed, slag stones are prevented from splashing and damaging a forming hole wall, the notches at two ends of the slag chute are made into a necking shape, slag enters the slag chute, and slowly drops the slag during the whole slag chute by means of notch shrinkage, body expansion, notch shrinkage, body expansion and notch shrinkage, and the slag is repeatedly retracted and released in the slag chute process to achieve slow drop and control the slag chute speed; the slag stone can be slowly lowered to a certain extent through the arrangement of the slowly lowering component, meanwhile, the smooth slag can be assisted through the arrangement of the water flushing component, and the smoothness of the smooth slag is ensured.

Drawings

FIG. 1 is a schematic diagram of a front view of the present utility model;

FIG. 2 is a schematic diagram of a slag chute of the present utility model in front cross-sectional view;

FIG. 3 is a schematic top view of the slag chute of the present utility model.

In the figure: 1. excavating edge lines of inclined shafts; 2. sleeper; 3. a material haulage winch track; 4. a rear mating trailer rail; 5. a slag chute; 6. a top sealing plate; 7. a notch; 8. a descent control assembly; 81. a fixing plate; 82. buffering reinforcing steel bars; 9. a water flushing assembly; 91. a bracket; 92. fixing a water pipe; 93. a flushing pipe; 94. a water inlet pipe.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the utility model provides a slag chute of a diversion inclined shaft, which comprises a sleeper 2, a material transportation winch track 3, a rear matched trailer track 4 and a slag chute 5, wherein the sleeper 2 is fixedly arranged on an inclined shaft excavation boundary line 1, the material transportation winch track 3 and the rear matched trailer track 4 are fixedly arranged on the sleeper 2, the slag chute 5 is positioned at the lower part of the sleeper 2 of a tunneling direction slope section, the slag chute 5 is manufactured in sections, the length of each section of slag chute 5 is 1.5m, each section of slag chute 5 is fixed at the end parts of two side walls of the slag chute 5 through 4 anchor bars with the length of 750mm, the rock entering depth of the bars is 500m, the exposed depth is 250mm, the top of the slag chute 5 is connected with a top sealing plate 6 through bolts, a closed slag chute channel is formed between the top sealing plate 6 and the slag chute 5, the grooves 7 at two ends of the slag chute 5 are in a shrinkage shape, and a plurality of groups of chute assemblies 8 are arranged in the whole slag chute descending period.

Specifically, slowly fall subassembly 8 includes two fixed plates 81 and two buffering reinforcing bars 82, and the inner wall of swift current slag chute 5 has two fixed plates 81 through bolted connection, and two buffering reinforcing bars 82 are fixed to be set up between two fixed plates 81, and slowly fall the setting of subassembly 8 can play the effect of slowly falling of certain degree to the slag stone.

Specifically, the top sealing plate 6 is fixedly provided with a water flushing assembly 9, and the water flushing assembly 9 can assist in slag sliding, so that the smoothness of the slag sliding is ensured.

Specifically, the water flushing assembly 9 includes two brackets 91, a fixed water pipe 92, a plurality of flushing pipes 93 and a water inlet pipe 94, the two brackets 91 are fixedly arranged at the bottom of the top sealing plate 6, the fixed water pipe 92 is fixedly connected with the two brackets 91, the plurality of flushing pipes 93 are fixedly connected with the bottom of the fixed water pipe 92, one end of the water inlet pipe 94 is fixedly connected with the top of the fixed water pipe 92, and the other end of the water inlet pipe 94 is connected with external water supply equipment.

Specifically, the distance between the two buffer bars 82 is 10cm.

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

Claims

1. The utility model provides a swift current slag chute of diversion inclined shaft which characterized in that: including inclined shaft excavation sideline (1), sleeper (2), material transportation winch track (3), back supporting trailer track (4) and swift current slag groove (5), sleeper (2) are fixed to be set up on inclined shaft excavation sideline (1), material transportation winch track (3) and back supporting trailer track (4) are fixed to be set up on sleeper (2), swift current slag groove (5) are located the sleeper (2) lower part of tunneling direction slope section, the preparation of swift current slag groove (5) segmentation, and the length of every section swift current slag groove (5) is 1.5m, every section swift current slag groove (5) are fixed at the tip of swift current slag groove (5) both sides wall through 4 750mm anchor bars, the top of swift current slag groove (5) is through bolted connection has top closing plate (6), notch (7) at swift current slag groove (5) both ends are the throat shape, be provided with multiunit slow down subassembly (8) in swift current slag groove (5).

2. The slag chute of a diversion inclined shaft according to claim 1, wherein: the slow-descent component (8) comprises two fixing plates (81) and two buffer steel bars (82), wherein the two fixing plates (81) are connected with the inner wall of the slag chute (5) through bolts, and the two buffer steel bars (82) are fixedly arranged between the two fixing plates (81).

3. The slag chute of a diversion inclined shaft according to claim 1, wherein: and a water flushing assembly (9) is fixedly arranged on the top sealing plate (6).

4. A slag chute for a deviated well as set forth in claim 3 wherein: the water flushing assembly (9) comprises two brackets (91), a fixed water pipe (92), a plurality of flushing pipes (93) and a water inlet pipe (94), wherein two brackets (91) are fixedly arranged at the bottom of a top sealing plate (6), the fixed water pipe (92) is fixedly connected with the two brackets (91), the flushing pipes (93) are fixedly connected with the bottom of the fixed water pipe (92), and one end of the water inlet pipe (94) is fixedly connected with the top of the fixed water pipe (92).

5. The slag chute of a diversion inclined shaft according to claim 2, wherein: the distance between the two buffer steel bars (82) is 10cm.