Supporting device for mining roadway

Abstract

The utility model discloses a supporting device for a mining roadway, which relates to the technical field of roadway supporting and comprises two main body supporting frames and a load-bearing cross beam, the load-bearing cross beam is arranged on the upper wall surfaces of the two main body supporting frames, a load-bearing screw rod is arranged on the upper wall surface of the load-bearing cross beam, a load-bearing screw sleeve is sleeved on the outer wall surface of the load-bearing screw rod, and the load-bearing screw sleeve is sleeved on the outer wall surface of the load-bearing screw rod. The upper wall face of the bearing threaded sleeve is connected with a supporting structure, a guiding structure is installed on the outer wall face of the supporting structure, the outer wall face of the guiding structure is sleeved with a supporting structure, and the supporting structure is connected with a stabilizing structure. The supporting device has the advantages that the four auxiliary supporting frames are held to drive the four supporting guide sleeves to adjust the distance between the two supporting auxiliary beams and the supporting main beam along the four support guide arms, and the supporting device can be matched with mining roadways of different heights by rotating the bearing threaded sleeve around the bearing threaded rod; the problem that an existing supporting device for the mining roadway is not provided with an adjusting device and cannot be matched with a second roadway after being used is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to roadway support technical field, especially in mining roadway is with supporting device. BACKGROUND

[0002] Roadway is various passages drilled between the surface and the ore body, used for transporting ore, ventilation, drainage, pedestrians and various necessary preparation works such as newly excavated for metallurgical equipment and mined ore. Coal mines are mainly underground mining, which needs to excavate a large number of roadways underground, and roadway support is used to maintain the smoothness of the roadway and the stability of the surrounding rock, which is of great significance to the construction and production of coal mines. The basic purpose of supporting the roadway is to alleviate and reduce the movement of the surrounding rock, so that the cross section of the roadway does not shrink too much, and to prevent the surrounding rock from falling after being scattered and damaged.

[0003] The existing supporting device for mining roadway does not have a fixing device, which needs to be pre-levelled on the road surface of the mining roadway before supporting, which is very inconvenient. The existing supporting device for mining roadway does not have an adjusting device, which cannot be adapted to the second roadway after use. UTILITY MODEL CONTENT

[0004] The utility model solves the technical problem that the existing supporting device for mining roadway does not have a fixing device, which needs to be pre-levelled on the road surface of the mining roadway before supporting, which is very inconvenient. The existing supporting device for mining roadway does not have an adjusting device, which cannot be adapted to the second roadway after use.

[0005] In order to solve the above technical problems, the technical scheme of the utility model is a supporting device for mining roadway, which comprises two main support frames and a load-bearing beam. The load-bearing beam is installed on the upper wall surface of the two main support frames. The upper wall surface of the load-bearing beam is provided with a load-bearing screw. The outer wall surface of the load-bearing screw is provided with a load-bearing screw sleeve. The upper wall surface of the load-bearing screw sleeve is connected with a supporting structure. The outer wall surface of the supporting structure is provided with a guide structure. The outer wall surface of the guide structure is provided with a supporting structure. The supporting structure is connected with a stabilizing structure. The lower wall surface of the stabilizing structure is connected with an auxiliary structure. The lower wall surface of the supporting structure is connected with a fixing structure. The supporting structure comprises a supporting main beam, two supporting limit pins and two load-bearing springs. The supporting main beam is connected to the upper wall surface of the load-bearing screw sleeve. The two supporting limit pins are respectively installed on the lower wall surface of the supporting main beam. The two load-bearing springs are respectively sleeved on the outer wall surface of the two supporting limit pins.

[0006] As a further scheme of the utility model, the guide structure comprises four bracket guide arms, four supporting guide arms and two load-bearing guide arms. The four bracket guide arms are respectively installed on the two side surfaces of the two main support frames. The four supporting guide arms are respectively installed on the two side surfaces of the supporting main beam. The two load-bearing guide arms are respectively installed on the two side surfaces of the supporting main beam.

[0007] As a further scheme of the utility model: the support structure includes: four support guide sleeves, four auxiliary support frames and two auxiliary cross beams, four support guide sleeves are respectively sleeved on the outer wall surface of four support guide arms, the lower wall surface of four auxiliary support frames is respectively provided with guide threaded holes, and is installed on the outer wall surface of four support guide sleeves, two auxiliary cross beams are respectively installed on the upper wall surface of four auxiliary support frames.

[0008] As a further scheme of the utility model: the stable structure includes: four support guide sleeves, two load-bearing guide sleeves and two support secondary beams, four support guide sleeves are respectively sleeved on the outer wall surface of four support guide arms, two load-bearing guide sleeves are respectively sleeved on the outer wall surface of two load-bearing guide arms, and two support secondary beams are respectively installed on the outer wall surface of two support guide sleeves and two load-bearing guide sleeves.

[0009] As a further scheme of the utility model: the auxiliary structure includes: four support threaded cylinders, four support threaded sleeves and four auxiliary limit pins, four support threaded cylinders are respectively installed on the lower wall surface of two support secondary beams, four support threaded sleeves are respectively sleeved on the outer wall surface of four support threaded cylinders, and four auxiliary limit pins are respectively installed on the inner wall surface of four support threaded cylinders.

[0010] As a further scheme of the utility model: the fixed structure includes: four fixed screw rods, four fixed support plates and a plurality of bolt positioning holes, four fixed screw rods are respectively connected in the guide threaded holes respectively provided in the lower wall surface of four auxiliary support frames, four fixed support plates are respectively installed on the lower wall surface of four fixed screw rods, and a plurality of bolt positioning holes are respectively provided on four fixed support plates.

[0011] As a further scheme of the utility model: the upper wall surface of two auxiliary cross beams and the load-bearing cross beam is respectively provided with two positioning pin holes.

[0012] The utility model adopts the above technical scheme, and has the following advantages compared with the prior art:

[0013] When the ground is uneven, four fixed screw rods are rotated around four auxiliary support frames, four fixed support plates are adjusted, until four fixed support plates are in contact with the ground, and finally are fixed through a plurality of bolt positioning holes, so that the problem that the existing support device for mining roadway does not have a fixing device, needs to pre-level the road surface of the mining roadway, and then supports, which is very inconvenient, is solved.

[0014] Hold four auxiliary support frame drive four support guide sleeve along four support guide arm adjustment two support vice beam and support main beam distance, through the load screw around load screw rod rotation can adapt to different height of mining roadway, solve the existing mining roadway support device without adjusting device, after use can not adapt to the second tunnel problem. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is whole structure schematic view of the mining roadway support device in the embodiment of the utility model;

[0016] Figure 2 It is support structure schematic view of the mining roadway support device in the embodiment of the utility model;

[0017] Figure 3 It is support structure schematic view of the mining roadway support device in the embodiment of the utility model;

[0018] Figure 4 It is fixed structure schematic view of the mining roadway support device in the embodiment of the utility model.

[0019] In the drawing: 1, main body support frame; 2, load beam; 3, load screw; 4, load screw; 5, support main beam; 6, support limit pin; 7, load spring; 8, support guide arm; 9, support guide arm; 10, load guide arm; 11, support guide sleeve; 12, auxiliary support frame; 13, auxiliary beam; 14, support guide sleeve; 15, load guide sleeve; 16, support vice beam; 17, support threaded cylinder; 18, support threaded sleeve; 19, auxiliary limit pin; 20, fixed screw; 21, fixed support plate; 22, bolt positioning hole; 23, positioning pin hole. DETAILED DESCRIPTION

[0020] The specific embodiments of the utility model will be further described below in combination with the drawings. It needs to be explained here that the description of these embodiments is used to help understanding the utility model, but does not constitute the limitation to the utility model. In addition, the technical features involved in each embodiment of the utility model described below can be combined with each other as long as there is no conflict.

[0021] Please refer to Figures 1-4The utility model provides a kind of supporting device for mining roadway, including two main body support frame 1 and load-bearing crossbeam 2, load-bearing crossbeam 2 is installed on the upper wall surface of two main body support frame 1, the upper wall surface of load-bearing crossbeam 2 is installed with load-bearing screw rod 3, the outer wall surface of load-bearing screw rod 3 is equipped with load-bearing screw sleeve 4, the upper wall surface of load-bearing screw sleeve 4 is connected with supporting structure, the outer wall surface of supporting structure is installed with guiding structure, the outer wall surface of guiding structure is equipped with support structure, support structure is connected with stabilizing structure, the lower wall surface of stabilizing structure is connected auxiliary structure, the lower wall surface of support structure is connected with fixed structure;Supporting structure includes: support beam 5, two support limiting pins 6 and two load-bearing springs 7;Support beam 5 is connected on the upper wall surface of load-bearing screw sleeve 4, two support limiting pins 6 are respectively installed on the lower wall surface of support beam 5, two load-bearing springs 7 are respectively equipped on the outer wall surface of two support limiting pins 6.

[0022] Please refer to Figure 2 Guiding structure includes: four bracket guiding arms 8, four supporting guiding arms 9 and two load-bearing guiding arms 10;Four bracket guiding arms 8 are respectively installed on the two side surfaces of two main body support frame 1, four supporting guiding arms 9 are respectively installed on the two side surfaces of support beam 5, and two load-bearing guiding arms 10 are respectively installed on the two side surfaces of support beam 5.

[0023] Please refer to Figure 3 Support structure includes: four support guiding sleeves 11, four auxiliary support frames 12 and two auxiliary crossbeams 13;Four support guiding sleeves 11 are respectively equipped on the outer wall surface of four bracket guiding arms 8, four auxiliary support frames 12 have guiding screw holes respectively formed in the lower wall surface and installed on the outer wall surface of four support guiding sleeves 11, and two auxiliary crossbeams 13 are respectively installed on the upper wall surface of four auxiliary support frames 12.

[0024] Please refer to Figure 3 Stabilizing structure includes: four supporting guiding sleeves 14, two load-bearing guiding sleeves 15 and two supporting secondary beams 16;Four supporting guiding sleeves 14 are respectively equipped on the outer wall surface of four supporting guiding arms 9, two load-bearing guiding sleeves 15 are respectively equipped on the outer wall surface of two load-bearing guiding arms 10, and two supporting secondary beams 16 are respectively installed on the outer wall surface of two supporting guiding sleeves 14 and two load-bearing guiding sleeves 15.

[0025] Please refer to Figure 3 Auxiliary structure includes: four support threaded cylinders 17, four support threaded sleeves 18 and four auxiliary limiting pins 19;Four support threaded cylinders 17 are respectively installed on the lower wall surface of two supporting secondary beams 16, four support threaded sleeves 18 are respectively equipped on the outer wall surface of four support threaded cylinders 17, and four auxiliary limiting pins 19 are respectively installed on the inner wall surface of four support threaded cylinders 17.

[0026] Please refer to Figure 4The fixing structure comprises four fixing screws 20, four fixing support plates 21 and a plurality of bolt positioning holes 22; the four fixing screws 20 are respectively connected to the guide threaded holes formed in the lower wall surfaces of the four auxiliary support frames 12, the four fixing support plates 21 are respectively installed on the lower wall surfaces of the four fixing screws 20, and the plurality of bolt positioning holes 22 are respectively formed in the four fixing support plates 21.

[0027] Please refer to Figure 4 Two positioning pin holes 23 are respectively formed in the upper wall surfaces of the two auxiliary cross beams 13 and the load-bearing cross beam 2.

[0028] In the embodiment, when the ground is uneven, the four fixing screws 20 are respectively rotated around the four auxiliary support frames 12 to adjust the positions of the four fixing support plates 21 until the four fixing support plates 21 are all in contact with the ground, and finally the fixing is completed through the plurality of bolt positioning holes 22.

[0029] Specifically, during installation, the operator inserts the four auxiliary support frames 12 into the four support guide arms 8 by driving the four support guide sleeves 11, then inserts the two support secondary beams 16 into the four support guide arms 9 and the two load-bearing guide arms 10 by driving the four support guide sleeves 14 and the two load-bearing guide sleeves 15, then inserts the two support limiting pins 6 and the four auxiliary limiting pins 19 into the corresponding two positioning pin holes 23 by driving the support main beam 5, at this time, the two load-bearing springs 7 are contracted, the load-bearing screw sleeve 4 is rotated around the load-bearing screw 3, the load-bearing screw sleeve 4 drives the support main beam 5 to be supported on the mining tunnel, then the four support threaded sleeves 18 are rotated around the four support threaded cylinders 17 until the four support threaded sleeves 18 are respectively supported on the two auxiliary cross beams 13 to complete the support, when the ground is uneven, the four fixing screws 20 are respectively rotated around the four auxiliary support frames 12 to adjust the positions of the four fixing support plates 21 until the four fixing support plates 21 are all in contact with the ground, and finally the fixing is completed through the plurality of bolt positioning holes 22.

[0030] In the embodiment, the operator adjusts the distance between the two support secondary beams 16 and the support main beam 5 by driving the four support guide sleeves 11 along the four support guide arms 8, and the mining tunnel of different heights can be adapted by rotating the load-bearing screw sleeve 4 around the load-bearing screw 3.

[0031] Specifically, before fixing, the operator adjusts the distance between the two support secondary beams 16 and the support main beam 5 by driving the four support guide sleeves 11 along the four support guide arms 8, the mining tunnel of different heights can be adapted by rotating the load-bearing screw sleeve 4 around the load-bearing screw 3, the two support secondary beams 16 are brought into close contact with the two auxiliary cross beams 13 by rotating the four support threaded sleeves 18 around the four support threaded cylinders 17, and the stability is further increased.

[0032] The embodiments of the present application are described in detail in combination with the drawings, but the present application is not limited to the described embodiments. For those skilled in the art, various changes, modifications, replacements and variations of the embodiments can be made without departing from the principles and spirits of the present application, and still fall within the protection scope of the present application.

Claims

1. A support device for a mining gallery, comprising two main support frames (1) and a load-bearing crossbeam (2), characterised in that, The load-bearing crossbeam (2) is installed on the upper wall of the two main support frames (1), the upper wall of the load-bearing crossbeam (2) is provided with a load-bearing screw rod (3), the outer wall of the load-bearing screw rod (3) is sleeved with a load-bearing screw sleeve (4), the upper wall of the load-bearing screw sleeve (4) is connected with a supporting structure, the outer wall of the supporting structure is provided with a guide structure, the outer wall of the guide structure is sleeved with a supporting structure, the supporting structure is connected with a stabilizing structure, the lower wall of the stabilizing structure is connected with an auxiliary structure, and the lower wall of the supporting structure is connected with a fixing structure. The supporting structure comprises a supporting main beam (5), two supporting limiting pins (6) and two load-bearing springs (7). The supporting main beam (5) is connected to the upper wall of the load-bearing screw sleeve (4), the two supporting limiting pins (6) are respectively installed on the lower wall of the supporting main beam (5), and the two load-bearing springs (7) are respectively sleeved on the outer walls of the two supporting limiting pins (6).

2. A support device for a mining gallery according to claim 1, characterised in that, The guide structure comprises four bracket guide arms (8), four supporting guide arms (9) and two load-bearing guide arms (10). The four bracket guide arms (8) are respectively installed on the two side walls of the two main support frames (1), the four supporting guide arms (9) are respectively installed on the two side walls of the supporting main beam (5), and the two load-bearing guide arms (10) are respectively installed on the two side walls of the supporting main beam (5).

3. A support device for a mining gallery according to claim 2, characterised in that The supporting structure comprises four supporting guide sleeves (11), four auxiliary support frames (12) and two auxiliary crossbeams (13). The four supporting guide sleeves (11) are respectively sleeved on the outer walls of the four bracket guide arms (8), the lower walls of the four auxiliary support frames (12) are respectively provided with guide threaded holes, and the four auxiliary support frames (12) are installed on the outer walls of the four supporting guide sleeves (11), and the two auxiliary crossbeams (13) are respectively installed on the upper walls of the four auxiliary support frames (12).

4. A support device for a mining gallery according to claim 2, characterised in that, The stabilizing structure comprises four supporting guide sleeves (14), two load-bearing guide sleeves (15) and two supporting secondary beams (16). The four supporting guide sleeves (14) are respectively sleeved on the outer walls of the four supporting guide arms (9), the two load-bearing guide sleeves (15) are respectively sleeved on the outer walls of the two load-bearing guide arms (10), and the two supporting secondary beams (16) are respectively installed on the outer walls of the two supporting guide sleeves (14) and the two load-bearing guide sleeves (15).

5. A support device for a mining gallery according to claim 4, characterised in that The auxiliary structure comprises four supporting threaded cylinders (17), four supporting threaded sleeves (18) and four auxiliary limiting pins (19). The four supporting threaded cylinders (17) are respectively installed on the lower walls of the two supporting secondary beams (16), the four supporting threaded sleeves (18) are respectively sleeved on the outer walls of the four supporting threaded cylinders (17), and the four auxiliary limiting pins (19) are respectively installed on the inner walls of the four supporting threaded cylinders (17).

6. A support device for a mining gallery according to claim 3, characterised in that The fixing structure comprises four fixing screw rods (20), four fixing support plates (21) and a plurality of bolt positioning holes (22). Four said fixed screw rods (20) are connected in the guide threaded holes respectively opened in the lower wall surfaces of the four auxiliary support frames (12), four said fixed support plates (21) are respectively installed on the lower wall surfaces of the four fixed screw rods (20), and a plurality of said bolt positioning holes (22) are respectively opened in the four fixed support plates (21).

7. A support device for a mining gallery according to claim 3, characterized in that Two said auxiliary cross beams (13) and the upper wall surfaces of the load-bearing cross beams (2) are respectively provided with two positioning pin holes (23).

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