Mining supporting device

Abstract

The utility model discloses a mining supporting device, which relates to the technical field of coal mine equipment and comprises a mining heading head, a force arm, a first hydraulic telescopic system and a second hydraulic telescopic system, force arms are arranged on two sides of the mining heading head, one end of the force arm is hinged with the mining heading head, and the other end of the force arm is hinged with the second hydraulic telescopic system. The supporting rod and the intercepting net are arranged on a supporting frame composed of steel beams, the supporting rod and the intercepting net are arranged on the supporting frame, a first hydraulic telescopic system is arranged between the mining tunneling head and the force arm, and the two ends of the first hydraulic telescopic system are hinged to the mining tunneling head and the force arm respectively. And meanwhile, the intercepting net is arranged below the supporting rod, the intercepting net can be used for intercepting the coal briquettes or the stone blocks with the small sizes, and therefore a tunneling head and tunneling personnel located below the supporting device can be better protected.

Description

Technical Field

[0001] This utility model relates to the technical field of coal mine equipment, specifically a mining support device. Background Technology

[0002] A roadheader is a large piece of equipment used in mining and construction engineering. It consists of many parts, among which the roadhead and hydraulic cannon are very important components. The roadhead and hydraulic cannon are easily damaged, especially during mining and construction, when they often face various harsh sites and working environments, such as rocks and sand. The hydraulic shield of the cannon is a hydraulic temporary support device used to protect these two components.

[0003] Traditional hydraulic temporary support devices have large grid holes in the middle of the support frame (as shown in the instruction manual). Figure 4 As shown in the provided physical image, although it can support the overall coal structure, it cannot effectively intercept falling coal or rocks, resulting in incomplete support. Utility Model Content

[0004] The purpose of this invention is to provide a mining support device to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A mining support device includes a mining head, a lever arm, a first hydraulic telescopic system, and a second hydraulic telescopic system. Lever arms are provided on both sides of the mining head. One end of each lever arm is hinged to the mining head. A first hydraulic telescopic system is provided between the mining head and the lever arms, with both ends of the first hydraulic telescopic system hinged to the mining head and the lever arms, respectively. A support frame is hinged to the other end of each lever arm. A second hydraulic telescopic system is provided between the support frame and the lever arms, with both ends of the second hydraulic telescopic system hinged to the lever arm and the support frame, respectively. The support frame includes a main support beam, a first auxiliary support beam, and a second auxiliary support beam. Two main support beams are arranged side by side, and two first auxiliary support beams are arranged side by side between the two main support beams. The two ends of the first auxiliary support beams are welded and fixed perpendicularly to the main support beams. A second auxiliary support beam is welded to the outside of the main support beams. A first intercepting net is provided in the enclosed area between the main support beams and the first auxiliary support beams. A second intercepting net is provided between the main support beams and the second auxiliary support beams. Support rods are provided through the first and second auxiliary support beams.

[0007] As a further embodiment of this utility model: the included angle between the second auxiliary support beam and the second intercepting net is 135°.

[0008] As a further improvement of this utility model: both the first and second intercepting nets are located below the corresponding support rods.

[0009] As a further improvement of this utility model: positioning plates are provided at the edges of both the first and second intercepting nets, and positioning screws are provided on the positioning plates. The positioning screws are threadedly engaged with the screw holes corresponding to those on the main support beam, the first auxiliary support beam, and the second auxiliary support beam.

[0010] As a further improvement of this utility model: both the first auxiliary support beam and the second auxiliary support beam are provided with through holes for easy passage of the support rod, and nuts are installed at both ends of the support rod.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] 1. This utility model adds support rods and interception nets to the traditional support frame composed of steel beams. The support rods can densify the traditional support frame, thereby blocking larger coal blocks or rocks. At the same time, the interception nets set below the support rods can intercept smaller coal blocks or rocks, thus better protecting the tunneling head and tunneling personnel located below the support device.

[0013] 2. This utility model provides a support frame consisting of a main support beam, a first auxiliary support beam, and a second auxiliary support beam. This support frame can provide support not only from directly above the mining roadway but also from the side, resulting in a larger support range. This effectively reduces the risk of coal blocks falling from the upper part of the roadway into the mining area during the mining process, thus improving the safety of mining. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall installation structure of a mining support device.

[0015] Figure 2 This is a schematic diagram of the overall structure of a mining support device.

[0016] Figure 3 A mining support device Figure 2 A schematic diagram of the structure of the central support frame.

[0017] Figure 4 This is a physical image of an existing mining support system.

[0018] 1. Mining tunneling head; 2. Lever arm; 3. First hydraulic telescopic system; 4. Support frame; 5. Second hydraulic telescopic system; 6. Main support beam; 7. First auxiliary support beam; 8. Second auxiliary support beam; 9. Support rod; 10. Through-rod hole; 11. Nut; 12. First interception net; 13. Second interception net; 14. Positioning plate; 15. Positioning screw; 16. Screw hole. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Example 1

[0021] Please see Figure 1-3 A mining support device includes a mining head 1, a lever arm 2, a first hydraulic telescopic system 3, and a second hydraulic telescopic system 5. Lever arms 2 are provided on both sides of the mining head 1. One end of the lever arm 2 is hinged to the mining head 1. The first hydraulic telescopic system 3 is provided between the mining head 1 and the lever arm 2. Both ends of the first hydraulic telescopic system 3 are hinged to the mining head 1 and the lever arm 2, respectively. A support frame 4 is hinged to the other end of the lever arm 2. The second hydraulic telescopic system 5 is provided between the support frame 4 and the lever arm 2. Both ends of the second hydraulic telescopic system 5 are hinged to the lever arm 2 and the support frame 4, respectively. The support frame 4 includes a main support beam 6, a first auxiliary support beam 7, and a second auxiliary support beam 8. Two main support beams 6 are arranged side-by-side, and two first auxiliary support beams 7 are arranged side-by-side between the two main support beams 6. The two ends of the first auxiliary support beams 7 are welded and fixed perpendicularly to the main support beams 6. The second auxiliary support beams 8 are welded to the outer side of the main support beams 6.

[0022] The included angle of the second auxiliary support beam 8 is 135°. This design can block larger coal blocks or rocks falling from the upper side of the coal mine roadway, thus expanding the support surface.

[0023] In this embodiment, by setting up a support frame 4, the support frame 4 can provide support not only from the top of the mining roadway but also from the side, thus increasing the support range and effectively reducing the risk of coal blocks falling from the upper slope of the roadway into the mining area during the mining process, thereby improving the safety of mining.

[0024] Example 2

[0025] Please see Figure 2-3Based on the above embodiment 1, a first intercepting net 12 is provided in the enclosed area between the main support beam 6 and the first auxiliary support beam 7, and a second intercepting net 13 is provided between the main support beam 6 and the second auxiliary support beam 8. A support rod 9 is provided through both the first auxiliary support beam 7 and the second auxiliary support beam 8. A through hole 10 is provided on both the first auxiliary support beam 7 and the second auxiliary support beam 8 to facilitate the passage of the support rod 9. Nuts 11 are installed at both ends of the support rod 9. The nuts 11 can fix the support rod 9 and prevent the support rod 9 from falling off the support frame 4.

[0026] The second intercepting net 13 has an included angle of 135°. This design can block smaller coal blocks or rocks falling from the upper side of the coal mine roadway, thus expanding the support surface.

[0027] The first intercepting net 12 and the second intercepting net 13 are both located below the corresponding support rod 9. This design can prevent large coal blocks or stones from falling directly onto the intercepting net and causing damage, thus protecting the intercepting net.

[0028] Positioning plates 14 are provided at the edges of the first interception net 12 and the second interception net 13. Positioning screws 15 are provided on the positioning plates 14. The positioning screws 15 are threaded into the screw holes 16 corresponding to those on the main support beam 6, the first auxiliary support beam 7 and the second auxiliary support beam 8. The positioning screws 15 can ensure the firmness of the interception net installation and facilitate the replacement of the interception net when it is damaged, thus extending the service life of the device.

[0029] This embodiment adds support rods 9 and interception nets to the traditional support structure, which can densify the traditional support structure and thus better protect the tunneling head and tunneling personnel located below the support device.

[0030] The working principle of this utility model is as follows:

[0031] During tunneling, the support frame 4 is raised in conjunction with the first hydraulic telescopic system 3 and the second hydraulic telescopic system 5 to provide temporary support above and diagonally above the tunneling face. At the same time, the support rod 9 works with the support frame 4 to achieve denser support, preventing larger coal blocks or rocks from passing through the support frame 4. When relatively smaller coal blocks or rocks pass through the mesh in the middle of the support frame 4, the first intercepting net 12 and the second intercepting net 13 set below the support frame 4 can further intercept the coal blocks or rocks, thereby better protecting the safety of equipment and personnel.

[0032] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A mining support device, comprising a mine heading machine (1), a force arm (2), a first hydraulic telescopic system (3) and a second hydraulic telescopic system (5), the mine heading machine (1) is provided with a force arm (2) on both sides, one end of the force arm (2) is hinged with the mine heading machine (1), the first hydraulic telescopic system (3) is arranged between the mine heading machine (1) and the force arm (2), both ends of the first hydraulic telescopic system (3) are respectively hinged with the mine heading machine (1) and the force arm (2), characterized in that: The other end of the force arm (2) is hingedly connected with a support frame (4), a second hydraulic telescopic system (5) is arranged between the force arm (2) and the support frame (4), both ends of the second hydraulic telescopic system (5) are hingedly connected with the force arm (2) and the support frame (4), the support frame (4) comprises a main support beam (6), a first auxiliary support beam (7) and a second auxiliary support beam (8), two main support beams (6) are arranged side by side, two first auxiliary support beams (7) are arranged side by side between the two main support beams (6), the two ends of the first auxiliary support beam (7) are perpendicularly welded and fixed with the main support beam (6), the second auxiliary support beam (8) is welded on the outer side of the main support beam (6), the first auxiliary support beam (7) and the second auxiliary support beam (8) are provided with a first intercepting net (12) in the surrounding area of the main support beam (6), the second auxiliary support beam (8) is provided with a second intercepting net (13) between the main support beam (6), the first auxiliary support beam (7) and the second auxiliary support beam (8) are all provided with a support rod (9) penetrating through.

2. A mining support device according to claim 1, characterised in that: The included angle between the second auxiliary support beam (8) and the second intercepting net (13) is 135°.

3. A mining support device according to claim 1, characterised in that: The first intercepting net (12) and the second intercepting net (13) are both located below the corresponding support rod (9).

4. A mining support device according to claim 1, characterised in that: The first intercepting net (12) and the second intercepting net (13) are both provided with a positioning plate (14) at the edge, the positioning plate (14) is provided with a positioning screw (15), the positioning screw (15) is threadedly matched with a screw hole (16) corresponding opened on the main support beam (6), the first auxiliary support beam (7) and the second auxiliary support beam (8).

5. A mining support device according to claim 1, characterised in that: The first auxiliary support beam (7) and the second auxiliary support beam (8) are both provided with a rod penetrating hole (10) for facilitating the penetration of the support rod (9), the support rod (9) is provided with a nut (11) at both ends.

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