CN220203923U

CN220203923U - Underground inner wall supporting device for coal mine tunnel

Info

Publication number: CN220203923U
Application number: CN202321982918.1U
Authority: CN
Inventors: 李四维
Original assignee: Shaanxi Chenghe Huayu Engineering Co ltd
Current assignee: Shaanxi Chenghe Huayu Engineering Co ltd
Priority date: 2023-07-26
Filing date: 2023-07-26
Publication date: 2023-12-19
Anticipated expiration: 2033-07-26

Abstract

The utility model discloses a supporting device for an underground inner wall of a coal mine roadway, which belongs to the technical field of supporting devices, and particularly relates to a supporting device for an underground inner wall of a coal mine roadway, which comprises a base, wherein vertical fixing columns are arranged at the top of the base, adjusting columns are arranged in the inner cavities of four fixing columns in a sliding lifting manner, the top ends of the adjusting columns penetrate through the top wall of the fixing column in a sliding manner, and supporting plates are arranged at the top ends of the four adjusting columns together; the fixed column is provided with a regulating and controlling component for controlling the synchronous lifting/lowering of the four regulating columns, and the regulating and controlling component comprises a vertical threaded rod which is rotationally arranged on the bottom wall of the inner cavity of the fixed column. According to the utility model, when the height of the support plate is required to be adjusted, one connecting rod and the gear are driven to rotate through the driving part, the other gear and the connecting rod are driven to follow through the chain, the two connecting rods synchronously rotate, the worm is driven by the worm to rotate, and the threaded rod is in threaded connection with the internal threads in the fixed column, so that the position of the fixed column in the inner cavity of the adjusting column is adjusted, and the support plate can be lifted/lowered.

Description

Underground inner wall supporting device for coal mine tunnel

Technical Field

The utility model relates to the technical field of supporting devices, in particular to an underground inner wall supporting device for a coal mine tunnel.

Background

As a traditional energy source, coal always occupies a large proportion in national economy of China. Along with the construction of modern mines, the safety and smoothness of the roadway are guaranteed when the underground various geological environments are dealt with, and the safety problem is a major point. Various roadways exist in the coal mine, and the coal mine has a plurality of names, such as a main roadway, a return air roadway, a transportation roadway, a secondary roadway and the like. The main roadway is mainly used for ventilation and transportation, the return air roadway is used for tunneling, development and coal face return air, the transportation roadway is used as the transportation roadway, the auxiliary roadway is used as the auxiliary roadway of the mining area, and the roadways ensure the normal operation of underground work. How to use different supports to protect the roadway is therefore the first thing to ensure safe production of the mine.

In the in-service use, when the inner wall of roadway need anchor, in long-term anchoring process, because rock and soil inside changes etc. influence, can dismantle the stock and just probably produce the skew and become flexible, influence the effect of anchoring, especially still be difficult to perceive, when supporting the top of roadway, because the height of roadway everywhere probably is different to be difficult to carry out fine support to the top of roadway everywhere simultaneously, consequently need develop a colliery roadway and use underground inner wall support device.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the utility model, which should not be used to limit the scope of the utility model.

In order to solve the technical problems, according to one aspect of the present utility model, the following technical solutions are provided:

an underground inner wall supporting device for a coal mine roadway, comprising:

the base, the top of base is provided with and is provided with vertical fixed column, four the inner chamber of fixed column all slides the lift and is provided with the regulation post, the top of regulation post slides and runs through the roof of fixed column, and four the top of regulation post is provided with the backplate jointly;

the adjusting and controlling assembly is arranged on the fixed column and used for controlling the four adjusting columns to synchronously lift/descend, the adjusting and controlling assembly comprises a vertical threaded rod which is rotatably arranged on the bottom wall of an inner cavity of the fixed column, an inner cavity of the adjusting column is provided with an inner thread which is screwed with a threaded rod body of the threaded rod, the threaded rod body of the threaded rod is provided with a worm wheel, an opening which is co-transverse with the worm wheel is formed in the side wall of the fixed column, side plates are symmetrically arranged on two sides of the side wall of the fixed column, two worms which are meshed with the worm wheel are rotatably arranged between the side plates, the two worms on the same side are connected through a connecting rod, gears are respectively arranged on the front end rod bodies of the two connecting rods, the two gears are in linkage through a chain, and one end of the connecting rod is provided with a driving part.

As a preferable scheme of the underground inner wall supporting device for the coal mine tunnel, the utility model comprises the following steps: the bottom of threaded rod rotates through first bearing and sets up in the inner chamber diapire center department of fixed column.

As a preferable scheme of the underground inner wall supporting device for the coal mine tunnel, the utility model comprises the following steps: the shaft of the connecting rod rotates through the side wall of the side plate through the second bearing and is connected with the worm.

As a preferable scheme of the underground inner wall supporting device for the coal mine tunnel, the utility model comprises the following steps: the inner ring of the chain is provided with inner teeth which are meshed with the gear teeth, and the inner ring of the chain is also provided with a tensioning device.

As a preferable scheme of the underground inner wall supporting device for the coal mine tunnel, the utility model comprises the following steps: the driving part comprises a hand rocker arranged at one end of a connecting rod.

As a preferable scheme of the underground inner wall supporting device for the coal mine tunnel, the utility model comprises the following steps: the driving part comprises an L-shaped mounting frame arranged on the side wall of one fixed column, a servo motor is arranged on the side wall of the mounting frame, and an output shaft of the servo motor is connected with one end of one connecting rod through a coupler.

Compared with the prior art, the utility model has the beneficial effects that: when the height of the support plate needs to be adjusted, the driving part drives one connecting rod and the gear to rotate, the chain drives the other gear to follow the connecting rod, the two connecting rods synchronously rotate, the worm is driven by the worm to rotate, and the threaded rod is in threaded connection with the internal threads in the fixing column, so that the fixing column is adjusted to be positioned at the inner cavity of the adjusting column, and the support plate can be lifted/lowered.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following detailed description of the embodiments of the present utility model will be given with reference to the accompanying drawings, which are to be understood as merely some embodiments of the present utility model, and from which other drawings can be obtained by those skilled in the art without inventive faculty. Wherein:

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

FIG. 2 is a schematic view of the cross-section of the fixed and adjustment columns and the control assembly of the present utility model;

FIG. 3 is a schematic diagram illustrating the side view of FIG. 1 in accordance with the present utility model;

fig. 4 is a schematic diagram illustrating the structure of the present utility model in the side-up direction of fig. 2.

In the figure: the device comprises a base 100, a fixed column 110, an adjusting column 120, a support plate 130, a threaded rod 200, an internal thread 210, a worm wheel 220, an opening 230, a first bearing 240, a side plate 300, a worm 310, a connecting rod 320, a gear 330, a chain 340, a mounting frame 350, a servo motor 360 and a second bearing 370.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.

In the following detailed description of the embodiments of the present utility model, the cross-sectional view of the device structure is not partially enlarged to a general scale for the convenience of description, and the schematic is merely an example, which should not limit the scope of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.

Referring to fig. 1 to 4, a schematic structural diagram of an embodiment of an underground wall supporting device for a coal mine tunnel according to the present utility model is shown, and referring to fig. 1 to 4, a detailed description is given of an underground wall supporting device for a coal mine tunnel.

The utility model provides a colliery is underground inner wall supporting device for tunnel, is provided with perpendicular fixed column 110 including the top of base 100, and the inner chamber of four fixed columns 110 all slides the lift and is provided with adjusting column 120, and the top of adjusting column 120 slides the roof that runs through fixed column 110, and the top of four adjusting column 120 is provided with support plate 130 jointly; the adjusting column 120 is in a rectangular column shape, and the periphery of the outer side wall of the adjusting column is respectively in sliding fit with the periphery side wall of the inner cavity of the fixing column 110;

the fixed column 110 is provided with a regulating and controlling component for controlling the four regulating columns 120 to synchronously lift/descend, the regulating and controlling component comprises a vertical threaded rod 200 rotatably arranged on the bottom wall of the inner cavity of the fixed column 110, the bottom end of the threaded rod 200 is rotatably arranged at the center of the bottom wall of the inner cavity of the fixed column 110 through a first bearing 240, and the friction force between the threaded rod 200 and the inner bottom wall of the fixed column 110 during rotation is reduced through the first bearing 240; the inner cavity of the adjusting column 120 is provided with an internal thread 210 which is matched with the rod body of the threaded rod 200 in a threaded manner, the rod body of the threaded rod 200 is provided with a worm wheel 220, the side wall of the fixed column 110 is provided with an opening 230 which is in a common cross section with the worm wheel 220, the side walls of the fixed column 110 are symmetrically provided with side plates 300 on two sides of the opening 230, two side plates 300 are rotatably provided with worms 310 which are meshed with the worm wheel 220, the two worms 310 on the same side are connected through a connecting rod 320, the rod body of the connecting rod 320 is rotatably penetrated through the side wall of the side plate 300 through a second bearing 370 and is connected with the worms 310, friction force between the connecting rod 320 and the side plate 300 during rotation is reduced through the second bearing 370, the front end rod bodies of the two connecting rods 320 are both provided with gears 330, the two gears 330 are linked through chains 340, the inner rings of the chains 340 are provided with inner teeth which are meshed with the gears 330, the inner rings of the chains 340 are also provided with tensioners, the tensioners are not shown in the figure, the phenomenon that the chain 340 and the teeth of the connecting rod 330 take place during movement can be reduced, one end of the connecting rod 320 is provided with a driving part. The driving part comprises a hand crank arranged at one end of one connecting rod 320, one connecting rod 320 and the gear 330 can be driven to rotate by the hand crank, and the other gear 330 and the connecting rod 320 are driven to rotate by the chain 340, so that the two connecting rods 320 can rotate synchronously.

Referring to fig. 1 again, the driving component includes an L-shaped mounting frame 350 disposed on a side wall of a fixing column 110, a servo motor 360 is disposed on a side wall of the mounting frame 350, an output shaft of the servo motor 360 is connected to one end of a connecting rod 320 through a coupling, and a hand crank can be driven by the servo motor 360 to rotate the connecting rod 320, so that manpower is saved.

In a specific use process, when the height of the support plate 130 needs to be adjusted, one connecting rod 320 and the gear 330 are driven to rotate through the driving component, the other gear 330 and the connecting rod 320 are driven to follow through the chain 340, the two connecting rods 320 synchronously rotate, the worm 310 drives the worm wheel 220 to rotate, the threaded rod 200 is in threaded connection with the internal threads 210 in the fixed column 110, and therefore the position of the fixed column 110 in the inner cavity of the adjusting column 120 is adjusted, and the lifting/lowering of the support plate 130 can be completed.

Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. An underground inner wall supporting device for a coal mine roadway, which is characterized by comprising:

the base (100), the top of base (100) is provided with and is provided with perpendicular fixed column (110), four the inner chamber of fixed column (110) all slides and goes up and down to be provided with adjusting column (120), the top of adjusting column (120) slides and runs through the roof of fixed column (110), and four the top of adjusting column (120) is provided with backplate (130) jointly;

the adjusting and controlling assembly comprises adjusting and controlling assemblies, wherein the adjusting and controlling assemblies are arranged on the fixing columns (110) and used for controlling the four adjusting columns (120) to synchronously ascend and descend, each adjusting and controlling assembly comprises a vertical threaded rod (200) which is rotatably arranged on the bottom wall of an inner cavity of the fixing column (110), the inner cavity of each adjusting column (120) is provided with an inner thread (210) which is in threaded connection with the threaded rod (200), the threaded rod (200) is provided with a worm wheel (220), the side wall of each fixing column (110) is provided with an opening (230) which is in a common cross section with the worm wheel (220), the side walls of the fixing columns (110) are symmetrically provided with side plates (300) on two sides, two worms (310) which are meshed with the worm wheel (220) are rotatably arranged between the side plates (300), the two worms (310) on the same side are connected through connecting rods (320), the front end rod bodies of the connecting rods (320) are respectively provided with gears (330), and one end of each connecting rod (320) is provided with a driving component through the links of the chains (340).

2. An underground wall support device for a coal mine tunnel according to claim 1, wherein: the bottom end of the threaded rod (200) is rotatably arranged at the center of the bottom wall of the inner cavity of the fixed column (110) through a first bearing (240).

3. An underground wall support device for a coal mine tunnel according to claim 1, wherein: the shaft of the connecting rod (320) rotates through the side wall of the side plate (300) through the second bearing (370) and is connected with the worm (310).

4. An underground wall support device for a coal mine tunnel according to claim 1, wherein: the inner ring of the chain (340) is provided with inner teeth for engaging with the teeth of the gear (330), and the inner ring of the chain (340) is also provided with a tensioning device.

5. An underground wall support device for a coal mine tunnel according to claim 1, wherein: the driving part comprises a hand rocker arranged at one end of a connecting rod (320).

6. An underground wall support device for a coal mine tunnel according to claim 1, wherein: the driving part comprises an L-shaped mounting frame (350) arranged on the side wall of one fixed column (110), a servo motor (360) is arranged on the side wall of the mounting frame (350), and an output shaft of the servo motor (360) is connected to one end of one connecting rod (320) through a coupler.