Anti-collapse anchor rod frame for rock burst mine

Abstract

The utility model relates to the technical field of mine roadway supporting equipment, in particular to an anti-collapse anchor rod frame for a rock burst mine, which is characterized in that two supporting rods form a group and are arranged in a crossed manner, a plurality of upper supporting plates are arranged above the supporting rods in a left-and-right manner, and a plurality of lower supporting plates are arranged below the supporting rods in a left-and-right manner; the upper ends of the two supporting rods in one group are rotationally arranged at the two ends of the upper connecting shaft through rotating shafts respectively, and the left and right supporting rods with adjacent lower ends are rotationally arranged at the two ends of the lower connecting shaft through rotating shafts; the supporting rods are arranged in a crossed mode in pairs to support the upper supporting plate and the lower supporting plate, the technical structure that the anchor rods are anchored in the side direction is adopted, the upper supporting plate is designed to be of a complete covering type structure, the side waist supporting structure is arranged on the upper supporting plate, and therefore covering and supporting of the rock burst mine roadway vault are achieved. Pressure bearing can be achieved so that the pressure value of rock burst can be increased, and splashing rock slices can be intercepted when rock burst occurs.

Description

TECHNICAL FIELD

[0001] The utility model relates to mine roadway supporting equipment technical field, concretely relates to a kind of anchor rod frame for rock burst mine. BACKGROUND

[0002] Rock burst is a kind of mineral disaster, refers to when the kava mine roadway, the pressure value of rock stratum storage exceeds the upper limit of rock pressure and the rock burst phenomenon occurs, usually rock burst occurs in roadway vault and side waist due to pressure accumulation, the excavation of modern mining roadway can be measured in advance by sensing measurement and big data analysis Rock burst formation probability, to achieve a certain degree of prevention and reduction, but rock burst is the disaster caused by geological environment, its characteristics are suddenness and no premonition, so it is still necessary to set support, protective structure in the roadway excavation work of rock burst mine. SUMMARY

[0003] The utility model discloses a kind of anchor rod frame for rock burst mine, it is supported by the support rod two two as a group cross setting to form the support of upper support plate, lower support plate, adopt the technical structure of lateral anchoring anchor rod, and the upper support plate is designed as completely covering structure, and side waist support structure is set on the upper support plate, to realize the covering support of rock burst mine roadway vault, can realize pressure bearing to improve the pressure value of rock burst, and intercept when rock burst occurs Rock piece.

[0004] To achieve the above object, the utility model adopts the following technical scheme:

[0005] It contains:

[0006] Supporting rod, the supporting rod two two are a group and cross setting, and supporting rod is set as front and back two groups and left and right array;

[0007] Upper support plate, the upper support plate is several and is arranged in the above of supporting rod in left and right arrangement, and the adjacent side of adjacent upper support plate is mutually set;

[0008] Lower support plate, the lower support plate is several and is arranged in the below of supporting rod in left and right arrangement;

[0009] Upper connecting shaft, the upper connecting shaft is set between the two supporting rods of a group, and the upper end of the two supporting rods of a group is respectively set in the two ends of upper connecting shaft through pivot;

[0010] Lower connecting shaft, the lower connecting shaft is set between the supporting rod of left and right adjacent two groups, and lower end adjacent left and right two supporting rods are set in the two ends of lower connecting shaft through pivot.

[0011] Preferably, the upper surface of the upper support plate is fixedly provided with an upper connecting seat, and an upper connecting shaft is rotatably connected to the upper connecting seat through a bearing.

[0012] Preferably, the upper surface of the upper support plate is fixedly provided with an upper connecting seat, and an upper connecting shaft is rotatably connected to the upper connecting seat through a bearing.

[0013] Preferably, the upper surface of the upper support plate is fixedly provided with an upper connecting seat, and an upper connecting shaft is rotatably connected to the upper connecting seat through a bearing.

[0014] Preferably, the upper surface of the upper support plate is fixedly provided with an upper connecting seat, and an upper connecting shaft is rotatably connected to the upper connecting seat through a bearing.

[0015] Preferably, the upper surface of the upper support plate is fixedly provided with an upper connecting seat, and an upper connecting shaft is rotatably connected to the upper connecting seat through a bearing.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] 1. The support rods arranged in cross form the support for the upper support plate, and the corresponding lower support plate is arranged as the foundation support, so that the special protection support for the arch top of the roadway in the rock burst mine is formed, the rock burst is prevented, the rock piece is blocked during the rock burst, and the safety of the roadway structure is ensured; 2. The clamp is used for fixedly connecting the two support rods arranged in cross, and the upper and lower ends of the support rods are connected with the upper support plate and the lower support plate respectively, so that the support rods are inclined to support, the support rods are prevented from directly contacting the side wall of the roadway, and the designed standard support strength is maintained. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a structural schematic view of the utility model.

[0019] Figure 2 is Figure 1 the lower left side view of.

[0020] Figure 3 is Figure 1 the front view of.

[0021] Figure 4 is Figure 1 the left view of.

[0022] Figure 5 is a structural schematic view of the clamp and the side anchor rod in the utility model.

[0023] Explanation of reference signs: support rod 1, upper support plate 2, lower support plate 3, upper connecting shaft 4, lower connecting shaft 5, upper connecting seat 6, lower connecting seat 7, clamp 8, support sleeve 9, side anchor rod 10, apron 11, reinforcing plate 12. DETAILED DESCRIPTION

[0024] The technical solutions in the utility model will be described clearly and completely in combination with the drawings. The preferred embodiments in the description are only taken as examples, and all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0025] As shown in the drawings, the specific embodiment adopts the following technical solutions: Figures 1-5

[0026] It comprises:

[0027] Support rod 1, the support rod 1 is two groups and is arranged in cross, and the support rod 1 is arranged in front and back groups and left and right groups;

[0028] Upper support plate 2, the upper support plate 2 is several and is arranged in left and right rows above the support rod 1, and the adjacent side edges of adjacent upper support plates 2 are mutually arranged;

[0029] Upper connecting seat 6, the upper connecting seat 6 is fixedly arranged on the lower surface of the upper support plate 2;

[0030] Upper connecting shaft 4, the upper connecting shaft 4 is rotatably arranged on the upper connecting seat 6 through a bearing, and the upper ends of two support rods 1 in a group are rotatably arranged on the two ends of an upper connecting shaft 4 through a rotating shaft, and the axis of the upper end shaft of the support rod 1 and the axis of the upper connecting shaft 4 are arranged perpendicularly to each other;

[0031] Lower support plate 3, the lower support plate 3 is several and is arranged in left and right rows below the support rod 1;

[0032] Lower connecting seat 7, the lower connecting seat 7 is fixedly arranged on the upper surface of the lower support plate 3;

[0033] Lower connecting shaft 5, the lower connecting shaft 5 is rotatably arranged on the lower connecting seat 7 through a bearing, and the lower ends of two adjacent support rods 1 in the lower ends of left and right adjacent groups of support rods 1 are rotatably arranged on a lower connecting shaft 5 through a rotating shaft, and the axis of the lower end shaft of the support rod 1 and the axis of the lower connecting shaft 5 are arranged perpendicularly to each other;

[0034] ​The support rods 1 are arranged in an inclined manner, that is, the distance between the lower ends of the two groups of support rods 1 is smaller than the distance between the upper ends, so that the two groups of support rods 1 are arranged in an inverted "8" shape to support, so that a gap is formed between the support rods 1 and the sidewall of the roadway, so as to avoid the sidewall of the roadway from extruding the support rods 1 when deformed, and a buffer support structure can be further arranged between the support rods 1 and the sidewall of the roadway;

[0035] The two support rods 1 of the group are connected through the clamp 8, and the two support rods 1 of the group are crossed and arranged on the clamp 8;

[0036] The support sleeves 9 are arranged on the left and right sidewalls of the clamp 8 through the rotating shafts and are symmetrically arranged on the left and right sides of the clamp 8;

[0037] The side anchor rod 10 is movably arranged on the support sleeve 9 and is anchored on the sidewall of the roadway;

[0038] The apron 11 is integrally arranged on the front and rear sides of the upper support plate 2, that is, after the upper support plate 2 supports the arch top of the roadway, the apron 11 supports and protects the upper half of the sidewall of the roadway, and the side anchor rod 10 is movably arranged on the apron 11;

[0039] The reinforcing plates 12 are fixedly arranged on the lower surface of the upper support plate 2, and the front and rear ends of the reinforcing plates 12 are fixedly arranged on the inner sidewalls of the front and rear aprons 11, respectively, and the two reinforcing plates 12 are arranged on the left and right sides of the upper connecting seat 6.

[0040] When the device is used, the arch top of the roadway and the upper part of the sidewall of the roadway are supported by the upper support plate 2 to form a pressure support, so as to strengthen the rock mass structure and effectively prevent rock burst, and when rock burst occurs accidentally, the rock pieces caused by rock burst are intercepted by the upper support plate 2; when the device is installed, the two support rods 1 of the group are inserted into the clamp 8 to adjust the position, and are connected and positioned through the clamp 8, then the upper support plate 2 is supported on the arch top of the roadway, the lower support plate 3 is laid on the ground of the roadway, then the support rod 1 is lifted, the upper end of the support rod 1 is installed on the upper connecting shaft 4 of the upper support plate 2, the lower end of the support rod 1 is installed on the lower connecting shaft 5 of the lower support plate 3, then the side anchor rod 10 is inserted into the support sleeve 9, and the side anchor rod 10 is anchored and fixed on the sidewall of the roadway after passing through the apron 11, that is, the installation of the device is completed, the lower support plate 3 serves as a basic support, the upper support plate 2 and the apron 11 on the upper support plate 2 serve as support and protection for the arch top and the sidewall of the roadway, and the two groups of support rods 1 serve as a working and passing space.

[0041] Compared with the prior art, the device has the following beneficial effects:

[0042] 1、The device adopts the side anchor rod 10 as the connection with the tunnel branch, so as to realize the positioning installation of the support rod 1, and realize the roof supporting and supporting of the tunnel through the cooperation of the upper support plate 2 and the lower support plate 3 with the support rod 1;

[0043] 2、The lower support plate 3 is arranged on the foundation as the foundation support, the upper support plate 2 is spliced and installed to form the protective support for the tunnel vault, and the support rod 1 is installed and supported with the lower end inclined inward, so as to form the covering support for the tunnel vault, so as to provide certain pressure support for the tunnel vault rock mass, and intercept the flying rock pieces through the upper support plate 2 and the apron 11 when the rock burst occurs.

[0044] For those skilled in the art, the technical solutions described in the foregoing embodiments can be modified, and equivalent replacement of part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A caving-resistant rock bolting rig for use in a rock burst mine, characterised in that, It contains: Supporting rod (1), the supporting rod (1) two are a group and cross arrangement, and supporting rod (1) is front and rear two groups and left and right array arrangement; Upper support plate (2), the upper support plate (2) is several and presents left and right arrangement and is arranged above supporting rod (1), and the adjacent side of adjacent upper support plate (2) is mutually arranged; Lower support plate (3), the lower support plate (3) is several and presents left and right arrangement and is arranged below supporting rod (1); Upper connecting shaft (4), the upper connecting shaft (4) is arranged between two supporting rods (1) of a group, and the upper end of two supporting rods (1) of a group is respectively arranged on the both ends of upper connecting shaft (4) through rotating shaft; Lower connecting shaft (5), the lower connecting shaft (5) is arranged between the left and right adjacent two groups of supporting rod (1), and the lower end adjacent left and right two supporting rods (1) is arranged on the both ends of lower connecting shaft (5) through rotating shaft.

2. A caving-resistant roof bolting rig for a rock burst mine according to claim 1 wherein: The lower surface of the upper support plate (2) is fixedly provided with an upper connecting seat (6), and the upper connecting shaft (4) is rotatably connected to the upper connecting seat (6) through a bearing.

3. A rockburst protection bolting rig for a rockburst mine according to claim 2, characterised in that: The upper surface of the lower support plate (3) is fixedly provided with a lower connecting seat (7), and the lower connecting shaft (5) is rotatably connected to the lower connecting seat (7) through a bearing, and the lower end of the front and rear two groups of supporting rods (1) is inclined to one side away from the front and rear ends of the lower support plate (3).

4. A rock burst protection type roof bolting rig according to claim 3, characterised in that: The two supporting rods (1) of a group cross arrangement are provided with a clamp (8), and the two supporting rods (1) are arranged in the clamp (8).

5. A rockburst protection bolting rig for a rockburst mine according to claim 4, characterised in that: The left and right two side walls of the clamp (8) are rotatably provided with two supporting sleeves (9) through rotating shafts, and the side anchor rods (10) are movably arranged in the supporting sleeves (9).

6. A rockburst protection bolting system for a rockburst mine according to claim 5 wherein: The front and rear two side edges of the upper support plate (2) are integrally provided with aprons (11), and the side anchor rods (10) are movably arranged in the aprons (11). The lower surface of the upper support plate (2) is fixedly provided with a reinforcing plate (12) on the left and right sides of the upper connecting seat (6), and the front and rear two ends of the reinforcing plate (12) are fixedly arranged on the front and rear two aprons (11).

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