Top plate safety reinforcement supporting device for hard top plate stope face

By designing a support device with a support sleeve and a limiting rod, the problem of difficult installation of support equipment in hard roof mining faces was solved, achieving stable roof support and height adjustment, and improving the overall stability of the roadway.

CN223689732UActive Publication Date: 2025-12-19SHANXI XINZHOU SHENDA WANGTIAN COAL IND CO LTD
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Patent Information

Application Number
CN202520363201.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-04
Publication Date
2025-12-19
Estimated Expiration
2035-03-04

AI Technical Summary

Technical Problem

In deep coal mining, longwall faces with hard roofs face challenges such as high roof hardness, long roadway length, difficulty in setting up support equipment, and difficulty in ensuring roadway stability. In particular, the support height needs to be adjusted according to the mining space.

Method used

A support device comprising a base plate, a support sleeve, a limiting rod, a connecting plate, a support plate, and a limiting pin is designed. By adjusting the limiting rod within the support sleeve and adapting it with the limiting pin, the device provides support and protection for the top plate, adapting to support requirements at different heights.

Benefits of technology

It effectively supports and protects the hard roof, ensures roadway stability, and adapts to the needs of adjusting the support height for different mining spaces.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of roof supporting, in particular to a safe reinforced supporting device for a roof of a stope face of a hard roof. According to the technical scheme, the device comprises a bottom plate, supporting sleeves, limiting rods, a connecting plate, a supporting plate and limiting pins, a limiting groove is formed in the middle of the upper end face of the connecting plate, the limiting sleeves are fixed to the middles of the two ends of the lower end face of the connecting plate respectively, and the lower end faces of the supporting sleeves are fixed to the middle of the upper end face of the bottom plate; first limiting holes are formed in the two sides of the upper end of the supporting sleeve, second limiting holes are formed in the middle of the limiting rod at equal intervals, the lower end of the limiting rod is connected into the upper end of the supporting sleeve in a sleeved mode, the limiting pins are movably installed in the second limiting holes through the first limiting holes, and the upper end of the limiting rod is connected into the limiting sleeve in a sleeved mode. The supporting plate is placed in the limiting groove, and the supporting plate is placed in the limiting groove. The coal mine roof supporting device has the advantage of being beneficial to supporting and protecting the coal mine roof.
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Description

TECHNICAL FIELD

[0001] The utility model relates to roof support technical field, concretely is a kind of hard roof mining working face roof safety reinforcement support device. BACKGROUND

[0002] Hard roof refers to the roof rock of coal seam strength and elastic modulus is high, joint fissure is not developed, thickness is big, integrality is strong, self-supporting capacity is strong roof.In deep mining of coal mine, hard roof mining roadway support technology research has important significance.Hard roof mining working face usually faces the challenge of high roof hardness, long roadway length, large roadway scale, these characteristics lead to the difficulty of roof support, support equipment is difficult to set up and the overall stability of roadway is difficult to guarantee.

[0003] In the process of coal mining, in order to the safety and stability of roof, the roof needs to be supported, and according to the different space of mining, the height of support is also different, when supporting, the height of support column needs to be adjusted, and the top of support column needs to be supported by baffle to prevent the falling of gravel, therefore, a device for supporting and protecting the roof of coal mine is needed. SUMMARY

[0004] The utility model discloses a kind of hard roof mining working face roof safety reinforcement support device, with the advantage of being beneficial to realize the support and protection of coal mine roof, according to the different space of mining, the height of support is also different, when supporting, the height of support column needs to be adjusted.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of hard roof mining working face roof safety reinforcement support device, including bottom plate, support sleeve, limit rod, connecting plate, support plate and limit pin, the middle of the upper end surface of connecting plate is equipped with limit slot, the lower end surface of connecting plate is fixed with limit sleeve in the middle of both ends, the lower end surface of support sleeve is fixed in the middle of the upper end surface of bottom plate, the upper end of support sleeve is equipped with first limit hole, the middle of limit rod is equipped with second limit hole, the lower end of limit rod is sleeved in the inside of the upper end of support sleeve, limit pin is movably installed in the inside of second limit hole by first limit hole, the upper end of limit rod is sleeved in limit sleeve, support plate is placed in limit slot.

[0006] Preferably, the support plate is placed in the limit slot, the length and width of the support plate are equal to the length of the limit slot, and the thickness of the support plate is equal to the depth of the limit slot.

[0007] Preferably, the first limit hole and the second limit hole are equal in diameter, and the diameter of the limit pin is adapted to the diameter of the first limit hole and the second limit hole.

[0008] Preferably, the bottom plate is rectangular, and the side length of the bottom plate is greater than the outer side length of the supporting sleeve.

[0009] Preferably, the internal length and width of the limiting sleeve are matched with the cross-sectional length and width of the limiting rod.

[0010] Preferably, the length of the limiting pin is greater than the outer width of the supporting sleeve.

[0011] Compared with the prior art, the utility model has the beneficial effects as follows:

[0012] 1、 the utility model discloses a connecting plate and supporting plate are set up, be favorable to realizing the effect that the roadway roof is supported, and the connecting plate is supported to the supporting sleeve and limiting rod, and the upper side of connecting plate is contacted with the roof, and supporting plate is placed in the limiting slot, and the supporting plate is located at the upper end of two connecting plates, and the protection of the roof is realized.

[0013] 2、 the utility model discloses a supporting sleeve and limiting rod are set up, be favorable to realizing the effect that the height of connecting plate is adjusted, and the supporting sleeve is placed in the both ends of the roof that needs to be supported through the bottom plate, and the limiting rod is located in the supporting sleeve, according to the demand, limiting rod is adjusted in the supporting sleeve, can adapt to different height, and the limiting pin is sleeved in the first limiting hole and the second limiting hole, and the limiting of limiting rod is realized. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the front view structural schematic drawing of the utility model;

[0015] Figure 2 It is the side view structural schematic drawing of the utility model;

[0016] Figure 3 It is the three-dimensional structural schematic drawing of the utility model;

[0017] Figure 4 It is the three-dimensional structural schematic drawing of the limiting sleeve and limiting rod of the utility model.

[0018] In the drawing: 1, bottom plate;2, supporting sleeve;3, first limiting hole;4, second limiting hole;5, limiting rod;6, limiting sleeve;7, connecting plate;8, limiting slot;9, supporting plate;10, limiting pin. DETAILED DESCRIPTION

[0019] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0020] Embodiment one

[0021] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application. Figures 1-4 The present application provides an embodiment: a hard roof recovery working face roof safety reinforced supporting device, comprising a bottom plate 1, a supporting sleeve 2, a limiting rod 5, a connecting plate 7, a supporting plate 9 and a limiting pin 10, a limiting groove 8 is formed in the middle of the upper end face of the connecting plate 7, limiting sleeves 6 are fixed in the middle of the lower end face of the connecting plate 7, the lower end face of the supporting sleeve 2 is fixed in the middle of the upper end face of the bottom plate 1, first limiting holes 3 are formed in the upper end of the supporting sleeve 2, second limiting holes 4 are formed in the middle of the limiting rod 5, the lower end of the limiting rod 5 is sleeved in the upper end of the supporting sleeve 2, the limiting pin 10 is movably installed in the second limiting hole 4 through the first limiting hole 3, the upper end of the limiting rod 5 is sleeved in the limiting sleeve 6, and the supporting plate 9 is placed in the limiting groove 8.

[0022] The supporting plate 9 is placed in the limiting groove 8, the length and width of the supporting plate 9 are equal to the length of the limiting groove 8, and the thickness of the supporting plate 9 is equal to the depth of the limiting groove 8.

[0023] The connecting plate 7 is supported by the supporting sleeve 2 and the limiting rod 5, so that the upper side of the connecting plate 7 is in contact with the roof, and the supporting plate 9 is placed in the limiting groove 8, and the supporting plate 9 is located at the upper end of the two connecting plates 7, thereby achieving protection of the roof.

[0024] Embodiment two

[0025] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application. Figures 1-4 The present application provides an embodiment: a hard roof recovery working face roof safety reinforced supporting device, compared with embodiment one, the present embodiment further comprises: a bottom plate 1, a supporting sleeve 2, a limiting rod 5, a connecting plate 7, a supporting plate 9 and a limiting pin 10, a limiting groove 8 is formed in the middle of the upper end face of the connecting plate 7, limiting sleeves 6 are fixed in the middle of the lower end face of the connecting plate 7, the lower end face of the supporting sleeve 2 is fixed in the middle of the upper end face of the bottom plate 1, first limiting holes 3 are formed in the upper end of the supporting sleeve 2, second limiting holes 4 are formed in the middle of the limiting rod 5, the lower end of the limiting rod 5 is sleeved in the upper end of the supporting sleeve 2, the limiting pin 10 is movably installed in the second limiting hole 4 through the first limiting hole 3, the upper end of the limiting rod 5 is sleeved in the limiting sleeve 6, and the supporting plate 9 is placed in the limiting groove 8.

[0026] The first limiting hole 3 and the second limiting hole 4 are equal in diameter, and the diameter of the limiting pin 10 is matched with the diameter of the first limiting hole 3 and the second limiting hole 4.

[0027] The bottom plate 1 is rectangular, and the side length of the bottom plate 1 is greater than the outer side length of the supporting sleeve 2.

[0028] The internal length and width of the limiting sleeve 6 are matched with the cross-section length and width of the limiting rod 5.

[0029] The length of the limiting pin 10 is greater than the outer side width of the supporting sleeve 2.

[0030] The supporting sleeve 2 is placed at both ends of the roof needing support through the bottom plate 1, and the limiting rod 5 is located in the supporting sleeve 2, and according to the requirement, the limiting rod 5 is adjusted in the supporting sleeve 2, which can adapt to different heights, and the limiting pin 10 is sleeved in the first limiting hole 3 and the second limiting hole 4, so that the limiting of the limiting rod 5 is realized.

[0031] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of the equivalent elements of the claims are intended to be embraced in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A hard roof mining face roof safety reinforcement supporting device, comprising a bottom plate (1), a supporting sleeve (2), a limiting rod (5), a connecting plate (7), a supporting plate (9) and a limiting pin (10), characterized in that: The upper end surface of the connecting plate (7) is provided with a limiting slot (8), the lower end surface of the connecting plate (7) is provided with a limiting sleeve (6) at the middle of the two ends, the lower end surface of the supporting sleeve (2) is fixed at the middle of the upper end surface of the bottom plate (1), the upper end of the supporting sleeve (2) is provided with a first limiting hole (3) at both sides, the middle of the limiting rod (5) is provided with a second limiting hole (4) at equal intervals, the lower end of the limiting rod (5) is sleeved in the upper end of the supporting sleeve (2), the limiting pin (10) is movably installed in the second limiting hole (4) through the first limiting hole (3), the upper end of the limiting rod (5) is sleeved in the limiting sleeve (6), and the supporting plate (9) is placed in the limiting slot (8).

2. The roof safety reinforcement support device for a hard roof mining face according to claim 1, characterized in that: The supporting plate (9) is placed in the limiting slot (8), the length and width of the supporting plate (9) are equal to the length of the limiting slot (8), and the thickness of the supporting plate (9) is equal to the depth of the limiting slot (8).

3. The roof safety reinforcement support device for a hard roof mining face according to claim 1, characterized in that: The diameters of the first limiting hole (3) and the second limiting hole (4) are equal, and the diameter of the limiting pin (10) is matched with the diameters of the first limiting hole (3) and the second limiting hole (4).

4. The roof safety reinforcement support device for a hard roof mining face according to claim 1, characterized in that: The bottom plate (1) is rectangular, and the side length of the bottom plate (1) is greater than the outer side length of the supporting sleeve (2).

5. The roof safety reinforcement support device for hard roof mining face according to claim 1, characterized in that: The internal length and width of the limiting sleeve (6) are matched with the cross-sectional length and width of the limiting rod (5).

6. The roof safety reinforcement support device for a hard roof mining face according to claim 1, characterized in that: The length of the limiting pin (10) is greater than the outer side width of the supporting sleeve (2).