Supporting device for coal mining

Abstract

The utility model relates to the technical field of coal mining and mining supporting, and discloses a supporting device for coal mining and mining, which comprises two arch-shaped frames and further comprises a plurality of connecting clamping rods, a plurality of supporting plates and a plurality of supporting rods, the connecting piece is arranged between the connecting clamping rod and the arched frame; the storage box is connected with the arched frame through bolts, a protective net is stored in the storage box, and a limiting rod is arranged at the end of the protective net; the lifting mechanism is arranged at the bottom of the arch-shaped frame and used for adjusting the supporting height of the arch-shaped frame; the two arched frames are connected through the connecting piece, the storage box and the limiting frame are connected with the two arched frames through the bolts, and the supporting plates are covered with the protective net capable of being pulled out in the storage box, so that the problem that ores fall off from the top of a roadway due to equipment vibration or other factors can be solved, and the service life of the roadway is prolonged. And the supporting height of the supporting device to the roadway can be adjusted through the lifting mechanism.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal mining support technology field, concretely is a kind of support device for coal mining. BACKGROUND

[0002] Coal mining can destroy the original stress balance of underground rock strata, leading to deformation and collapse of surrounding rock. Mining support uses artificial support structures (such as supports, anchor rods, anchor cables, etc.) or utilizes the self-bearing capacity of surrounding rock to share rock pressure and control deformation of surrounding rock, preventing roof collapse, rib spalling and other accidents.

[0003] In the prior art, Chinese patent publication No. CN222686700U discloses a roadway support structure that supports coal mining roadways through two arch-shaped frames and several connecting rods. However, the top of the roadway is prone to ore falling due to equipment vibration and other factors, posing a safety problem.

[0004] Therefore, a support device for coal mining is proposed by those skilled in the art to solve the problems mentioned in the background. SUMMARY

[0005] The purpose of the utility model is to provide a support device for coal mining to solve the problems mentioned in the background.

[0006] To achieve the above purpose, the utility model provides the following technical scheme:

[0007] A support device for coal mining includes two arch-shaped frames and the following components:

[0008] Several connecting rods, each of which is equipped with a support plate for supporting the top wall of the roadway;

[0009] A connecting piece is arranged between the connecting rod and the arch-shaped frame.

[0010] A storage box connected to the arch-shaped frame by a bolt houses a protective net, and the end of the protective net is provided with a limiting rod.

[0011] A lifting mechanism is arranged at the bottom of the arch-shaped frame to adjust the support height of the arch-shaped frame.

[0012] As a further scheme of the utility model, the connecting piece includes several connecting blocks spaced along the arc surface of the arch-shaped frame, and each connecting block is provided with a clamping groove matched with the connecting rod.

[0013] As a further scheme of the utility model, a rotating shaft is arranged in the storage box, and a winding roller is installed on the rotating shaft. The protective net is wound around the winding roller, and the rotating shaft is connected to an elastic member.

[0014] As a further scheme of the utility model: the elastic member includes the groove set in the inner wall of the storage box, the groove is provided with the coil spring connected with the rotating shaft.

[0015] As a further scheme of the utility model: the fixed seat is set at one end of the arch frame away from the storage box, the fixed seat is connected with the limiting frame through the bolt, the limiting groove for limiting the limiting rod is set in the limiting frame.

[0016] As a further scheme of the utility model: the lifting mechanism includes the hydraulic rod installed at the bottom of the arch frame, and the bottom plate is installed at the bottom of the hydraulic rod.

[0017] Compared with the prior art, the utility model has the beneficial effects that: the utility model is connected with two arch frames through the connecting piece, and the storage box and the limiting frame are connected with the two arch frames through the bolt, and the support plate is covered with the pull-out protective net in the storage box, so that the problem of ore falling from the top of the roadway due to equipment vibration or other factors can be avoided, and the support height of the support device to the roadway can be adjusted through the lifting mechanism, and the use effect is better. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a kind of support device's structural schematic diagram for coal mining.

[0019] Figure 2 It is a kind of support device's structural schematic diagram for coal mining.

[0020] Figure 3 It is a kind of support device's structural schematic diagram for coal mining.

[0021] Figure 4 It is a kind of support device's structural schematic diagram for coal mining.

[0022] Figure 5 It is a kind of support device's structural schematic diagram for coal mining.

[0023] In the drawing: 1, arch frame;2, connecting block;3, clamping groove;4, connecting clamping rod;5, support plate;6, storage box;7, rotating shaft;8, winding roller;9, protective net;10, groove;11, coil spring;12, limiting rod;13, limiting frame;14, limiting groove;15, fixed seat;16, hydraulic rod;17, bottom plate. DETAILED DESCRIPTION

[0024] The technical scheme of the patent will be further described in detail in combination with specific implementation.

[0025] Please refer to Figures 1-5The utility model provides a kind of support device for coal mining, including two arch frames 1, further including:

[0026] Several connecting clamping rods 4, support plate 5 is installed on connecting clamping rod 4, for supporting the top wall of roadway;

[0027] Connecting piece, the connecting piece is arranged between connecting clamping rod 4 and arch frame 1;

[0028] Storage box 6 is connected by bolt with arch frame 1, storage box 6 is stored with protective net 9, and the end of protective net 9 is provided with limit rod 12;

[0029] Lifting mechanism, the lifting mechanism is arranged at the bottom of arch frame 1, for adjusting the support height of arch frame 1.

[0030] The connection of two arch frames 1 is completed by connecting piece, and the connection of storage box 6 and two arch frames 1 is realized by bolt, and the several support plates 5 are covered by the protective net 9 that can be pulled out in storage box 6, so as to avoid the problem that ore falls from the top of roadway due to equipment vibration or other factors, and the support height of support device to roadway can be adjusted by lifting mechanism, and the use effect is better.

[0031] In one case of the embodiment, the connecting piece includes several spaced-apart connecting blocks 2 arranged along the arc surface of arch frame 1, and the connecting block 2 is provided with a clamping groove 3 matched with the connecting clamping rod 4.

[0032] When realizing the connection of two arch frames 1, the several connecting clamping rods 4 are clamped into the clamping grooves 3 of the connecting blocks 2 of two arch frames 1, and the connecting clamping rods 4 can be fixed by bolts to realize the fixation of the several connecting clamping rods 4, so that when the arch frame 1 is raised, the support plates 5 on the connecting clamping rods 4 can support the top of the roadway.

[0033] In one case of the embodiment, the storage box 6 is rotatably provided with a rotating shaft 7, the rotating shaft 7 is provided with a winding roller 8, the winding roller 8 is wound with a protective net 9, and the rotating shaft 7 is connected with an elastic member.

[0034] The elastic member includes a groove 10 opened on both sides of the inner wall of the storage box 6, and the groove 10 is provided with a coil spring 11 connected with the rotating shaft 7, so that the rotating shaft 7 is subjected to torsional elastic force, and the winding roller 8 can wind the protective net 9 in a natural state.

[0035] The end of the arch frame 1 away from the storage box 6 is provided with a fixing seat 15, the fixing seat 15 is connected with a limiting frame 13 by bolts, and the limiting frame 13 is provided with a limiting groove 14 for limiting the limiting rod 12.

[0036] After the connecting rod 4 is connected with the two arch-shaped frames 1, the receiving box 6 is connected with one side of the two arch-shaped frames 1 through bolts, and the limiting frame 13 is connected with the fixing seat 15 on the other side of the two arch-shaped frames 1 through bolts, and the combined installation of the supporting device can be realized by cooperating with the connecting rod 4, and the protective net 9 can be pulled out, so that the supporting plate 5 distributed in an arc shape is laid, and the limiting rod 12 at the end of the protective net 9 is clamped into the limiting groove 14 of the limiting frame 13, so that the protective net 9 can be stably laid on the supporting plate 5, and when ore falls on the top of the roadway due to vibration or other factors, the protective net 9 can be protected, so as to avoid the direct falling of the ore into the roadway and cause the injury of workers.

[0037] In one case of the embodiment, the lifting mechanism comprises a hydraulic rod 16 installed at the bottom of the arch-shaped frame 1, and a bottom plate 17 is installed at the bottom of the hydraulic rod 16.

[0038] The height of the arch-shaped frame 1 can be adjusted by the extension and retraction of the hydraulic rod 16, that is, the supporting height of the supporting plate 5 to the roadway is changed, and the bottom plate 17 can be fixed on the ground of the roadway through bolts to provide a stable supporting point for the supporting device.

[0039] The working principle of the utility model is: when the two arch-shaped frames 1 are connected, a plurality of connecting rods 4 are clamped into the clamping grooves 3 of the connecting blocks 2 of the two arch-shaped frames 1, and the connecting rods 4 can be fixed through bolts to realize the fixation of the connecting rods 4, so that when the arch-shaped frame 1 is raised, the supporting plate 5 on the connecting rod 4 can support the top of the roadway. After the connecting rod 4 is connected with the two arch-shaped frames 1, the receiving box 6 is connected with one side of the two arch-shaped frames 1 through bolts, and the limiting frame 13 is connected with the fixing seat 15 on the other side of the two arch-shaped frames 1 through bolts, and the combined installation of the supporting device can be realized by cooperating with the connecting rod 4, and the protective net 9 can be pulled out, so that the supporting plate 5 distributed in an arc shape is laid, and the limiting rod 12 at the end of the protective net 9 is clamped into the limiting groove 14 of the limiting frame 13, so that the protective net 9 can be stably laid on the supporting plate 5, and when ore falls on the top of the roadway due to vibration or other factors, the protective net 9 can be protected, so as to avoid the direct falling of the ore into the roadway and cause the injury of workers.

[0040] The utility model connects two arch-shaped frames 1 through connecting pieces, connects the receiving box 6 and the limiting frame 13 with the two arch-shaped frames 1 through bolts, and covers a plurality of supporting plates 5 with the protective net 9 that can be pulled out in the receiving box 6, so as to avoid the problem that ore falls on the top of the roadway due to equipment vibration or other factors, and adjust the supporting height of the supporting device to the roadway through the lifting mechanism, so the use effect is better.

[0041] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, the scope of the present application being defined by the claims appended hereto rather than by the above description, and all the changes which fall within the meaning and the scope of the equivalent elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

[0042] Furthermore, it should be understood that although the present specification is described in terms of embodiments, not every embodiment according to the present specification needs to exhibit each and every characteristic specified in the present specification. The specification can also be described in terms of a single preferred embodiment, it being understood that this single preferred embodiment can exhibit not every aspect or feature of the present specification. The specification can also be described in terms of a generic statement that the disclosure can include one, some, or all of a list of features. It is further understood that the specification is to be considered as a whole and not with reference to a single feature or design element alone.

Claims

1. A support device for coal mining excavation comprising two arched frames, characterized in that, Also include: A number of connecting card bars, connecting card bars are installed with support plate, for supporting the top wall of the roadway; Connecting piece, the connecting piece is arranged between the connecting card bar and the arch frame; The storage box connected with the arch frame through the bolt, the storage box contains the protective net, the end of the protective net is provided with the limiting rod; Lifting mechanism, the lifting mechanism is arranged at the bottom of the arch frame, for adjusting the support height of the arch frame.

2. A support device for coal mining according to claim 1, characterized in that, The connecting piece includes a plurality of spaced apart connecting blocks arranged along the arc surface of the arch frame, the connecting block is provided with a clamping groove matched with the connecting card bar.

3. The support device for coal mining according to claim 1, characterized in that, The storage box is rotatably provided with a rotating shaft, the rotating shaft is installed with a winding roller, the winding roller is wound with a protective net, and the rotating shaft is connected with an elastic element.

4. A support device for coal mining according to claim 3, wherein The elastic element includes grooves opened on both sides of the inner wall of the storage box, and a coil spring connected with the rotating shaft is arranged in the groove.

5. The support device for coal mining according to claim 1, characterized in that, The end of the arch frame away from the storage box is provided with a fixing seat, the fixing seat is connected with a limiting frame through a bolt, and the limiting frame is provided with a limiting slot for limiting the limiting rod.

6. The support device for coal mining according to claim 1, characterized in that, The lifting mechanism includes a hydraulic rod installed at the bottom of the arch frame, and a bottom plate installed at the bottom of the hydraulic rod.

Images