Three-soft coal seam gob-side tunneling collaborative supporting device

By designing an adjustable-height support device, the problem of existing support devices being unable to adjust the support strength was solved, achieving effective support for soft coal seams and improving ease of use and safety.

CN224107290UActive Publication Date: 2026-04-10GUIZHOU PROVINCE PAN COUNTY ZISENYUAN GRP IND DEV INVESTMENT
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
GUIZHOU PROVINCE PAN COUNTY ZISENYUAN GRP IND DEV INVESTMENT
Filing Date
2025-05-12
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

The existing support devices are complex in structure, cannot adjust the support strength according to the coal seam strength, are inconvenient to use, and cannot effectively prevent the collapse of soft coal seams.

Method used

A collaborative support device for goaf tunneling in three soft coal seams was designed, including a base, telescopic rods, support frames, and telescopic brackets. The telescopic rods are fixed by pins and can be adjusted according to the height and strength of the coal seam. They are supported by protective plates. The components are connected by welding and a wear-resistant and anti-slip layer is provided to enhance stability.

Benefits of technology

It enables flexible adjustment of support strength according to coal seam characteristics, facilitates installation and dismantling, effectively prevents coal seam collapse, and improves the convenience and safety of use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a three-soft coal seam gob-side tunneling collaborative supporting device, and relates to the field of supporting devices, the three-soft coal seam gob-side tunneling collaborative supporting device comprises a plurality of supporting assemblies, the supporting assemblies are sequentially connected, each supporting assembly comprises a base, a telescopic rod, a supporting frame and a telescopic support, the telescopic support is provided with a plurality of cross beams, one end of the telescopic rod is provided with a first plug pin, and the other end of the telescopic rod is provided with a second plug pin; when the coal seam supporting device is used, the coal seam supporting device is moved to the side portion of a coal seam, the supporting frame and the telescopic support are made to be close to the coal seam, then the base is fixed through the second plug pins, the height of the telescopic support is adjusted, and the coal seam supporting device is used for supporting the coal seam. The height of the telescopic rod can be adjusted according to the height of a coal seam and the strength of the coal seam, and the telescopic rod is convenient to mount, dismount and use.
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Description

TECHNICAL FIELD

[0001] The application relates to the field of supporting devices, in particular to a three-soft coal seam gob-side entry driving cooperative supporting device. BACKGROUND

[0002] The three-soft coal seam refers to the soft roof stratum, the soft main coal seam and the soft coal seam floor stratum encountered in coal mining. During mining, support is needed to prevent the collapse of the coal seam. The existing supporting device has a complex structure and is inconvenient to use, and the support strength cannot be adjusted according to the strength of the coal seam, which is inconvenient to use. SUMMARY

[0003] The purpose of the embodiment of the application is to provide a three-soft coal seam gob-side entry driving cooperative supporting device which can solve the above technical problems.

[0004] The embodiment of the application provides a three-soft coal seam gob-side entry driving cooperative supporting device, which comprises a plurality of supporting assemblies, the supporting assemblies are connected in sequence, the supporting assembly comprises a base, an extension rod, a supporting frame, an extension support, the supporting frame is installed on the base, the extension support is telescopically installed on the upper end of the supporting frame, a plurality of cross beams are arranged on the extension support, one end of the extension rod is provided with a first latch, the other end of the extension rod is in abutment with any cross beam, the lower end of the side of the extension rod is hinged to the base, and at least two second latches are arranged on the base.

[0005] As a preferred, the extension support is provided with a positioning pin between the supporting frames, a plurality of positioning grooves are arranged on the extension support, and the positioning grooves are used in cooperation with the positioning pin.

[0006] As a preferred, a U-shaped groove is arranged on the upper end of the extension rod, the cross beam is columnarly arranged, and the U-shaped groove is used in cooperation with the cross beam.

[0007] As a preferred, a protective plate is arranged on the supporting frame and the extension support, the protective plate is arranged in a corrugated shape, the protective plate and the supporting frame and the protective plate and the extension support are all connected by welding, and the protective plate is made of metal material.

[0008] As a preferred, wear-resistant and anti-skid layers are arranged on the front and back sides of the protective plate, and the thickness of the wear-resistant and anti-skid layers is 1-3 cm.

[0009] As a preferred, the extension rod is arranged in a three-segment mode, and a fixing pin is arranged between the two adjacent extension rods.

[0010] As a preferred, the base, the extension rod, the supporting frame and the extension support are all made of metal material.

[0011] Preferably, the first and second pins are needle-shaped and made of steel.

[0012] The utility model discloses the beneficial effect that:

[0013] The utility model provides a kind of three-soft coal seam gob-side driving collaborative support device, including multiple supporting components, the supporting component is connected in turn, the supporting component includes base, telescopic rod, support frame, telescopic support, the support frame is installed on the base, the telescopic support is telescopically installed on the upper end of the support frame, a plurality of cross beams are provided on the telescopic support, the telescopic rod one end is provided with first pin, the other end of the telescopic rod and the any cross beam abut, the lower end of the side of telescopic rod and the base are hinged, at least two second pins are provided on the base, the utility model moves to coal seam side during use, so that support frame, telescopic support are close to coal seam, then base is fixed by second pin, the height of telescopic support is adjusted, so that telescopic rod upper end abuts the appropriate cross beam, then telescopic rod lower end is fixed to ground by first pin, the height of telescopic rod can be adjusted according to the height of coal seam, the strength of coal seam, and installation and disassembly are convenient, and it is convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation to the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor.

[0015] Figure 1 It is a structural schematic view of the utility model;

[0016] Figure 2 It is a side view of the utility model;

[0017] Figure 3 It is a front view of the utility model.

[0018] The reference signs are respectively:

[0019] 1, supporting component;2, base;3, telescopic rod;4, support frame;5, telescopic support;6, cross beam;7, first pin;8, second pin;9, positioning pin;10, positioning groove;11, protection plate. DETAILED DESCRIPTION

[0020] In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some but not all of the embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.

[0021] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work are within the scope of protection of the present application.

[0022] It should be noted that: similar reference numerals and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0023] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly placed when the product of the application is used, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" and the like are only used for differentiation in description and cannot be understood as indicating or implying relative importance.

[0024] In addition, the terms "horizontal", "vertical", "overhang" and the like do not mean that the components must be absolutely horizontal or overhanging, but can be slightly inclined. For example, "horizontal" only means that its direction is relatively more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0025] In the description of the present application, it should also be noted that, unless otherwise explicitly specified and limited, the terms "arrangement", "installation", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0026] As Figures 1-3As shown, a kind of three soft coal seam along empty driving cooperative supporting device, including multiple supporting components 1, the supporting component 1 is connected in turn, the supporting component 1 includes base 2, telescopic rod 3, support frame 4, telescopic support 5, the support frame 4 is installed on the base 2, the telescopic support 5 can be telescopically installed on the upper end of the support frame 4, a plurality of cross beams 6 are provided on the telescopic support 5, the first bolt 7 is provided at one end of the telescopic rod 3, the other end of the telescopic rod 3 is in abutment with any cross beam 6, the lower end of the side of the telescopic rod 3 is hinged to the base 2, at least two second bolts 8 are provided on the base 2, when using, the utility model is moved to the side of coal seam, so that support frame 4, telescopic support 5 are close to coal seam, then the base 2 is fixed by the second bolt 8, the height of telescopic support 5 is adjusted, so that the upper end of telescopic rod 3 is in abutment with suitable cross beam 6, then the lower end of telescopic rod 3 is fixed to the ground by the first bolt 7, the height of telescopic rod 3 can be adjusted according to the height of coal seam and the strength of coal seam, and installation and disassembly are convenient, and it is convenient to use.

[0027] As Figure 1 shown, in the embodiment, the telescopic support 5 is provided with a positioning pin 9 between the support frames 4, and a plurality of positioning grooves 10 are provided on the telescopic support 5, the positioning grooves 10 are used in cooperation with the positioning pin 9, specifically, after adjusting the telescopic support 5 to a suitable height, the telescopic support 5 is fixed and limited by the positioning pin 9 and the positioning groove 10.

[0028] In the embodiment, in order to limit and fix the telescopic rod 3 and the cross beam 6, a U-shaped groove is provided at the upper end of the telescopic rod 3, and the cross beam 6 is provided in a columnar shape, and the U-shaped groove is used in cooperation with the cross beam 6.

[0029] As Figures 1-3 shown, in the embodiment, the support frame 4 and the telescopic support 5 are provided with a protective plate 11, the protective plate 11 is provided in a corrugated shape, the protective plate 11 is connected to the support frame 4 and the telescopic support 5 by welding, and the protective plate 11 is made of metal material, the protective plate 11 of the utility model can prevent small-area collapse of the coal seam, especially the three-soft coal seam, and the protective plate 11 can directly adhere to the coal seam.

[0030] In the embodiment, wear-resistant and anti-skid layers are provided on the front and back sides of the protective plate 11, the thickness of the wear-resistant and anti-skid layers is 1-3 cm, the wear-resistant and anti-skid layers of the utility model can enhance the wear resistance of the protective plate 11 and prolong the service life of the protective plate 11.

[0031] As Figure 1As shown, in the embodiment, the telescopic rod 3 is provided in three sections, and a fixing pin is arranged between two adjacent telescopic rods 3, so that the telescopic rod 3 with a proper length can be adjusted according to requirements, and then the fixing pin is used for limiting and fixing.

[0032] In the embodiment, in order to prolong the service life of the utility model, the base 2, the telescopic rod 3, the support frame 4 and the telescopic support 5 are all made of metal materials.

[0033] In the embodiment, in order to facilitate the first bolt 7 and the second bolt 8 to be quickly inserted into the ground, the first bolt 7 and the second bolt 8 are both provided in a needle shape, and the first bolt 7 and the second bolt 8 are both made of steel materials.

[0034] The above is only the preferred embodiment of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A device for gob-side entry driving in cooperation with support in three-soft coal seams, characterized in that: Including a plurality of support components, the support components are connected in turn, the support components include base, telescopic rod, support frame, telescopic support, the support frame is installed on the base, the telescopic support is telescopically installed on the upper end of the support frame, a plurality of cross beams are arranged on the telescopic support, one end of the telescopic rod is provided with a first bolt, the other end of the telescopic rod is in abutment with any cross beam, the lower end of the side of the telescopic rod is hinged to the base, at least two second bolts are arranged on the base.

2. The device according to claim 1, characterized in that: The telescopic support is provided with a positioning pin between the support frames, a plurality of positioning grooves are arranged on the telescopic support, and the positioning grooves are used in cooperation with the positioning pin.

3. The device according to claim 1, characterized in that: The upper end of the telescopic rod is provided with a U-shaped groove, the cross beam is provided in a columnar shape, and the U-shaped groove is used in cooperation with the cross beam.

4. The device according to claim 1, characterized in that: The support frame and the telescopic support are provided with protective plates, the protective plates are provided in a corrugated shape, the protective plates and the support frame and the protective plates and the telescopic support are connected by welding, and the protective plates are made of metal material.

5. The device according to claim 4, characterized in that: The front and rear sides of the protective plate are provided with wear-resistant and anti-skid layers, and the thickness of the wear-resistant and anti-skid layers is 1-3cm.

6. The device according to claim 1, characterized in that: The telescopic rod is provided in a three-section mode, and a fixing pin is arranged between the adjacent two telescopic rods.

7. The device according to claim 1, characterized in that it comprises: The base, the telescopic rod, the support frame and the telescopic support are all made of metal material.

8. The device according to claim 1, characterized in that: The first bolt and the second bolt are both provided in a needle shape, and the first bolt and the second bolt are both made of steel material.