Coal mine underground roadway gangue filling device

By designing a coal mine underground roadway gangue filling device that includes a tracked chassis, a scraper conveyor assembly, and a gangue dumping conveyor belt, the problems of large space occupation and insufficient gangue backfilling efficiency of existing equipment have been solved, and efficient and uniform gangue backfilling effect has been achieved.

CN223634752UActive Publication Date: 2025-12-05JIANGSU ZHONGGUI HEAVY IND CO LTD
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Patent Information

Application Number
CN202520687910.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-14
Publication Date
2025-12-05
Estimated Expiration
2035-04-14

AI Technical Summary

Technical Problem

Existing coal mine underground roadway gangue backfilling equipment requires multiple transfers, occupies a large space, and has insufficient gangue backfilling efficiency.

Method used

Design a coal mine underground roadway gangue filling device including a tracked chassis, a scraper conveyor, and a gangue throwing conveyor belt. The scraper conveyor assembly and the gangue throwing conveyor belt are connected by hinge points. Combined with a tilting baffle, a pitching and swinging assembly, the device can achieve efficient transportation and positioning of gangue.

Benefits of technology

It achieves efficient transportation and uniform backfilling of gangue, reduces equipment space occupation, and improves backfilling efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model aims to disclose a gangue filling device for an underground coal mine roadway, which relates to the technical field of coal mine roadway construction and comprises a crawler chassis, a scraper conveying component and a gangue throwing conveying belt, the scraper conveying assembly comprises a scraper conveying belt, a front conveying groove and a rear conveying groove. A first overturning baffle and a second overturning baffle are arranged on the two sides of the front conveying groove respectively. The conveying trough has the beneficial effects that the front conveying trough and the rear conveying trough are hinged to the first hinge point, and the front conveying trough can pitch around the first hinge point, so that the front conveying trough can receive gangue dumped by a tilting cart when lowering the head; when the first overturning baffle and the second overturning baffle are both in the horizontal state, the first overturning baffle, the second overturning baffle and the front conveying groove form a cuboid space for containing gangue and receive discharged materials from a tilting cart. The first turnover baffle and the second turnover baffle are turned up at the same time, the gangue slides to the front conveying groove, and the gangue can be completely conveyed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of coal mine roadway construction, especially relates to a coal mine underground roadway gangue filling device. BACKGROUND

[0002] The main purpose of roadway gangue backfill is to manage old empty roadway and reinforce goaf, prevent the occurrence of roof fall and rib spalling phenomenon, and ensure safety production. At present, gangue backfill equipment usually needs to transfer gangue for many times, the equipment occupies a large space, and the gangue backfill efficiency is insufficient.

[0003] Therefore, it is urgent to develop a coal mine underground roadway gangue filling device to overcome the above defects. SUMMARY

[0004] The utility model discloses a coal mine underground roadway gangue filling device.

[0005] To realize the above-mentioned invention purpose, the utility model provides a coal mine underground roadway gangue filling device, including track chassis, the scraper conveyer component of setting in the track chassis top, the gangue conveyer belt of setting in the tail of track chassis;

[0006] The scraper conveyer component includes scraper conveyer belt, front conveying groove and rear conveying groove, and the scraper conveyer belt rotates around the front conveying groove and rear conveying groove;

[0007] The front conveying groove and rear conveying groove are hinged to first hinged point, and the first hinged point is located at the front end of the track chassis, and a second hinged point is further arranged between the rear conveying groove and the track chassis, and the second hinged point is located at the tail end of the track chassis;

[0008] First turnover baffle and second turnover baffle are arranged on both sides of the front conveying groove respectively;

[0009] The dump truck unloads the gangue carried to between the first turnover baffle and second turnover baffle.

[0010] Preferably, a first turnover oil cylinder is arranged between the front conveying groove and the first turnover baffle.

[0011] A second turnover oil cylinder is arranged between the front conveying groove and the second turnover baffle.

[0012] Preferably, a first pitch oil cylinder is arranged between the front conveying groove and the rear conveying groove.

[0013] Preferably, a pitch assembly and left-right swing assembly are arranged between the gangue conveyer belt and the track chassis.

[0014] Preferably, the gangue conveying belt comprises a body and a support, the body is hinged to the support;

[0015] The pitch assembly comprises second pitch cylinders and third pitch cylinders arranged on both sides of the body;

[0016] The second pitch cylinders drive the body to pitch with the support as a fulcrum, and the third pitch cylinders drive the body to pitch with the support as a fulcrum.

[0017] Preferably, the left-right swing assembly comprises a first hinge part and first swing angle cylinders and second swing angle cylinders arranged on both sides of the first hinge part;

[0018] The support is hinged to the tracked chassis through the first hinge part;

[0019] The first swing angle cylinders and the second swing angle cylinders cooperate and drive the support to swing with the tracked chassis as a fulcrum.

[0020] Preferably, a gangue loading mechanical arm is arranged at the front end of the tracked chassis, and a third swing angle cylinder is arranged between the gangue loading mechanical arm and the tracked chassis.

[0021] Preferably, the gangue loading mechanical arm is provided with a crushing drill rod.

[0022] Preferably, support plates are arranged below the first turnover baffle and the second turnover baffle respectively.

[0023] Preferably, the gangue loading mechanical arm scatters the piled gangue, and then the gangue is transferred to the gangue conveying belt by the scraper conveying assembly.

[0024] Compared with the prior art, the utility model has the beneficial effects that:

[0025] The front conveying groove and the rear conveying groove are hinged to the first hinge point, the front conveying groove can pitch around the first hinge point, so that the front conveying groove can receive the gangue dumped by the dump truck when the front conveying groove is lowered; when the first turnover baffle and the second turnover baffle are both in the horizontal state, the first turnover baffle, the second turnover baffle and the front conveying groove form a cuboid space containing gangue and receive the dump from the dump truck, after the gangue on the surface of the front conveying groove is conveyed, the first turnover baffle and the second turnover baffle are turned up at the same time and make the gangue slide to the front conveying groove, so that the gangue conveying can be completely conveyed. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a three-dimensional structure schematic view of the utility model coal mine underground roadway gangue filling device.

[0027] Figure 2The utility model discloses a coal mine underground roadway gangue filling device three-dimensional structure schematic diagram.

[0028] Figure 3 The utility model discloses a coal mine underground roadway gangue filling device side view schematic diagram.

[0029] Figure 4 The utility model discloses a coal mine underground roadway gangue filling device side view schematic diagram.

[0030] Figure 5 The utility model discloses a coal mine underground roadway gangue filling device side view schematic diagram.

[0031] Figure 6 The utility model discloses a coal mine underground roadway gangue filling device top view schematic diagram.

[0032] Figure 7 The utility model discloses a coal mine underground roadway gangue filling device top view schematic diagram.

[0033] Figure 8 The utility model discloses a gangue loading mechanical arm three-dimensional structure schematic diagram.

[0034] Figure 9 The utility model discloses a first turnover baffle and second turnover baffle three-dimensional structure schematic diagram.

[0035] Figure 10 The utility model discloses a body three-dimensional structure schematic diagram.

[0036] Figure 11 The utility model discloses a body three-dimensional structure schematic diagram.

[0037] Wherein, 1, tracked chassis;11, front end;12, tail end;2, scraper conveying assembly;21, scraper conveyor belt;22, front conveying groove;221, first turnover baffle;222, second turnover baffle;223, first turnover oil cylinder;224, second turnover oil cylinder;225, support plate;23, rear conveying groove;24, first hinging point;25, second hinging point;26, first pitch oil cylinder;3, gangue throwing conveyor belt;31, body;311, second pitch oil cylinder;312, third pitch oil cylinder;313, telescopic cylinder;314, bucket;32, support piece;33, first hinging part;331, first swing angle oil cylinder;332, second swing angle oil cylinder;4, gangue loading mechanical arm;41, third swing angle oil cylinder;42, broken drill rod. DETAILED DESCRIPTION

[0038] The utility model will be explained in detail in combination with the embodiments shown in the drawings, but it should be explained that these embodiments are not the limitation of the utility model, the equivalent transformation or the substitution of function, method or structure made by the ordinary skill in the art according to these embodiments all belong to the protection scope of the utility model.

[0039] In the description of the utility model, it should be understood that the orientation or position relation indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like are based on the orientation or position relation shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and cannot be understood as the limitation of the utility model.

[0040] The specific implementation process of the utility model will be described below through multiple embodiments.

[0041] Embodiment 1

[0042] Referring to Figures 1 to 11 The embodiment discloses a specific implementation of a coal mine underground roadway gangue filling device.

[0043] Referring to Figures 1 to 11, coal mine underground roadway gangue filling device, including track chassis 1, set up in the track chassis 1 top scraper conveyor assembly 2, set up in the track chassis 1 tail throw gangue conveyor belt 3;The scraper conveyor assembly 2 includes scraper conveyor belt 21, front conveying groove 22 and rear conveying groove 23, the scraper conveyor belt 21 rotates around the front conveying groove 22 and rear conveying groove 23, the first pitch cylinder 221 is arranged between the front conveying groove 22 and the rear conveying groove 23;The front conveying groove 22 and the rear conveying groove 23 are hinged to the first hinge point 24, and the first hinge point 24 is located at the front end 11 of the track chassis 1, and the first pitch cylinder 221 drives the front conveying groove 22 to pitch up and down with the first hinge point 24 as the center, the second hinge point 25 is further arranged between the rear conveying groove 23 and the track chassis 1, and the second hinge point 25 is located at the tail end 12 of the track chassis 1;First turnover baffle 221 and second turnover baffle 222 are arranged on both sides of the front conveying groove 22 respectively;The first turnover baffle 221 and the second turnover baffle 222 are arranged between the front conveying groove 22 and the first turnover baffle 221, and the second turnover baffle 222 is arranged between the front conveying groove 22 and the second turnover baffle 222, and the first turnover baffle 221 and the second turnover baffle 222 are in a horizontal state when receiving gangue, and when the first turnover cylinder 223, the second turnover cylinder 224, the first turnover baffle 221 and the second turnover baffle 222 need to be tilted to the front conveying groove 22, the first turnover cylinder 223, the second turnover cylinder 224 synchronously drive the first turnover baffle 221 and the second turnover baffle 222 to overturn, so as to avoid residual gangue;The first turnover baffle 221 and the second turnover baffle 222 are respectively provided with support plates 225 below, which contact the ground when necessary.

[0044] Referring to Figures 1 to 3 、 Figure 8 , the track chassis 1 front end sets up gangue loading mechanical arm 4, the gangue loading mechanical arm 4 and the track chassis 1 between set up third swing angle cylinder 41, the gangue loading mechanical arm 4 sets up broken drill rod 42, broken drill rod 42 is when encountering large gangue and breaking it;The first turnover baffle 221 and the second turnover baffle 222 are arranged between the first turnover baffle 221 and the second turnover baffle 222, and the first turnover baffle 221 and the second turnover baffle 222 are arranged between the first turnover baffle 221 and the second turnover baffle 222, and the first turnover baffle 221 and the second turnover baffle 222 are in a horizontal state when receiving gangue, and when the first turnover cylinder 223, the second turnover cylinder 224, the first turnover baffle 221 and the second turnover baffle 222 need to be tilted to the front conveying groove 22, the first turnover cylinder 223, the second turnover cylinder 224 synchronously drive the first turnover baffle 221 and the second turnover baffle 222 to overturn, so as to avoid residual gangue;The first turnover baffle 221 and the second turnover baffle 222 are respectively provided with support plates 225 below, which contact the ground when necessary.

[0045] Referring to Figures 1 to 7, the pitch assembly and the left and right swing assembly are arranged between the gangue throwing conveying belt 3 and the tracked chassis 1; the gangue throwing conveying belt 3 comprises a body 31 and a support 32, the body 31 conveys the gangue and throws it out at a certain speed, so that the gangue is accumulated and backfilled, the body 31 is hinged to the support 32; the pitch assembly comprises a second pitch oil cylinder 311 and a third pitch oil cylinder 312 arranged on both sides of the body 31, the second pitch oil cylinder 311 drives the body 31 to pitch with the support 32 as a fulcrum, the third pitch oil cylinder 312 drives the body 31 to pitch with the support 32 as a fulcrum, the second pitch oil cylinder 311 and the third pitch oil cylinder 312 adjust the included angle between the body 31 and the ground, so as to adapt to different roadway heights; the left and right swing assembly comprises a first hinge part 33 and a first swing oil cylinder 331 and a second swing oil cylinder 332 arranged on both sides of the first hinge part 33, the support 32 is hinged to the tracked chassis 1 through the first hinge part 33, the first swing oil cylinder 331 and the second swing oil cylinder 332 cooperate and drive the support 32 to swing with the tracked chassis 1 as a fulcrum, so as to drive the body 31 to swing, realize the adjustment of the throwing direction of the gangue at any time, and be more flexible, and the throwing direction of the gangue can also be changed without moving the vehicle. When the gangue is backfilled, a slope is formed around the accumulated gangue, and a telescopic cylinder 313 and a scraper 314 driven by the telescopic cylinder 313 are arranged below the end of the body 31, the scraper 314 can push more gangue to the inside of the roadway, so that the backfilling is more solid.

[0046] Referring to Figures 1 to 11 , for efficient transportation of gangue, the working process of the coal mine underground roadway gangue filling device is as follows: first, the first turnover baffle 221 and the second turnover baffle 222 are in a horizontal state, the first turnover baffle 221, the second turnover baffle 222 and the front conveying groove 22 form a cuboid space for accommodating gangue and are ready to accept the unloading from the dump truck, at this time, the supporting plate 225 is supported on the ground (see Figure 4 ); second, the dump truck slowly unloads the gangue carried thereby between the first turnover baffle 221 and the second turnover baffle 222, the scraper conveying assembly 2 continuously conveys the gangue, and then the gangue is transferred to the gangue throwing conveying belt 3 by the scraper conveying assembly 2, the gangue shoveling mechanical arm 4 scatters the accumulated gangue to avoid excessive resistance of the accumulated gangue to the scraper conveying assembly 2, after the gangue on the surface of the front conveying groove 22 is conveyed, the first turnover baffle 221 and the second turnover baffle 222 are turned up at the same time and make the gangue slide to the front conveying groove 22, so that the gangue conveying can be completely conveyed; third, according to the height of the roadway, the included angle between the body 31 and the ground is adjusted by the pitch assembly (see Figures 3 to 5 ), according to the backfilling progress of the gangue, the horizontal swing angle of the body 31 is adjusted by the left and right swing assembly (see Figure 6 andFigure 7 ), so as to throw the gangue to different directions, even in the case of not moving the car, the whole roadway can be evenly backfilled with gangue; the fourth step, when moving the car is needed, the first luffing oil cylinder 221 drives the front conveying groove 22 to lift the head, and makes the supporting plate 225 separate from the ground (see Figure 5 ), and the moving of the car is started.

Claims

1. A coal mine underground roadway gangue filling device, characterized in that, The scraper conveyor assembly is arranged above the crawler chassis, and the gangue throwing conveyor belt is arranged at the tail of the crawler chassis. The scraper conveyor assembly comprises a scraper conveyor belt, a front conveying groove and a rear conveying groove. The front conveying groove and the rear conveying groove are hinged at a first hinge point, which is located at the front end of the crawler chassis. First and second turnover baffles are arranged on both sides of the front conveying groove. The dump truck unloads the gangue between the first and second turnover baffles.

2. The coal mine underground roadway gangue filling device of claim 1, wherein, A first turnover oil cylinder is arranged between the front conveying groove and the first turnover baffle. A second turnover oil cylinder is arranged between the front conveying groove and the second turnover baffle.

3. The coal mine underground roadway gangue filling device of claim 1, wherein, A first tilting oil cylinder is arranged between the front conveying groove and the rear conveying groove.

4. The underground coal mine roadway refuse packing device of claim 1, wherein, A tilting assembly and a left-right swinging assembly are arranged between the gangue throwing conveyor belt and the crawler chassis.

5. The underground coal mine roadway refuse packing device of claim 4, wherein, The gangue throwing conveyor belt comprises a body and a support, and the body is hinged to the support. The tilting assembly comprises second and third tilting oil cylinders arranged on both sides of the body. The second tilting oil cylinder drives the body to tilt with the support as a fulcrum, and the third tilting oil cylinder drives the body to tilt with the support as a fulcrum.

6. The underground coal mine roadway refuse packing device of claim 5, wherein, The left-right swinging assembly comprises a first hinge part and first and second swing angle oil cylinders arranged on both sides of the first hinge part. The support is hinged to the crawler chassis through the first hinge part. The first and second swing angle oil cylinders cooperate and drive the support to swing with the crawler chassis as a fulcrum.

7. The coal mine underground roadway waste filling device according to any one of claims 1-6, characterized in that, A gangue loading mechanical arm is arranged at the front end of the crawler chassis, and a third swing angle oil cylinder is arranged between the gangue loading mechanical arm and the crawler chassis.

8. The underground coal mine roadway refuse packing device of claim 7, wherein, The gangue loading mechanical arm is provided with a crushing drill rod.

9. The underground coal mine roadway refuse packing device of claim 7, wherein, Support plates are arranged below the first and second turnover baffles.

10. The underground coal mine roadway refuse packing device of claim 7, wherein, The gangue loading mechanical arm scatters the piled gangue, which is then transferred to the gangue throwing conveyor belt by the scraper conveyor assembly.