Temporary roadway supporting device with movable spraying function

Abstract

The utility model discloses a tunnel temporary supporting device with a movable spraying function, which is characterized in that the left end and the right end of an arch-shaped top frame are respectively connected with the upper end of an upper supporting column through a rotating shaft, and the lower end part of the upper supporting column is sleeved in a lower supporting column. The arch-shaped top frame comprises an arch-shaped upper plate, an arch-shaped lower plate, a front side wall plate and a rear side wall plate. A sliding groove in the left-right direction is formed in the side wall plate. The sliding module comprises a sliding block installed in the sliding groove in a sliding mode, the front side of the sliding block is connected with a front check block, and the rear side of the sliding block is connected with a rear check block. The lower side of the rear stop block is connected with a spraying pipe. A more standard and safer temporary support can be provided for mining area mining; the supporting device is integrally provided with the spraying mechanism, and the problems of space occupation and inconvenient disassembly and assembly caused by independent installation of the spraying mechanism are solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mine exploitation support technical field relates to a mine roadway support device, especially in a mine roadway temporary support device with spray function. BACKGROUND

[0002] With the increasing of mining depth and the expanding of mining scale, the safety of roadway mining operation environment is paid more and more attention. In the mining process of mining area, temporary support device is generally needed to be erected, which is used for temporary support of the mined area, and after the completion of a mining access unit, the temporary support device is removed, and permanent support is carried out by using anchor rod anchor net and other means. The temporary support device is used for the support of the next access unit.

[0003] At present, there is still a lack of shaped temporary support device, and as the prior art of mine roadway temporary support means, the temporary support device is generally made by on-site installation, which mainly has the disadvantage of affecting the operation efficiency, and it is difficult to ensure standardized operation, and there are still certain safety hazards.

[0004] On the other hand, a large amount of dust will be generated in the process of mining operation, which will affect the health of the operators, so the spray (water mist) dust falling facilities need to be arranged in the mining area. These dust falling facilities usually need to be installed separately, which not only occupies the relatively narrow operation space, but also affects the personnel passage, and has the defect of inconvenient disassembly and assembly. CONTENT OF THE UTILITY MODEL

[0005] The technical problem to be solved by the utility model is to provide a roadway temporary support device with mobile spray function, first, which can provide more standardized and safer temporary support for mining area; second, the support device is integrated with the spray mechanism, which solves the problem of space occupation and inconvenient disassembly and assembly caused by separate installation of the spray mechanism.

[0006] The technical scheme of the utility model is as follows:

[0007] A roadway temporary support device with mobile spray function, comprising a bow-shaped top frame, an upper support column and a lower support column on the left and right sides of the bow-shaped top frame, the left and right ends of the bow-shaped top frame are connected with the upper end of the upper support column through a rotating shaft, and the lower end of the upper support column is sleeved in the lower support column; the bow-shaped top frame comprises a bow-shaped upper plate, a bow-shaped lower plate and a front and rear wall plate; a slide groove running left and right is formed in the front and rear wall plate; the support device further comprises a sliding module; the sliding module comprises a sliding block slidingly installed in the slide groove; the front side of the sliding block is connected with a front stop block, and the rear side is connected with a rear stop block; wherein the lower side of the rear stop block is connected with a spray pipe, and the spray pipe is further connected with a water supply pipe.

[0008] Preferably, a plurality of limiting holes are formed in the side wall plate of the front side; the front block has a cylindrical cavity, a driving shaft is coaxially arranged in the cylindrical cavity; the outer end of the driving shaft extends out of the front block and is connected with a push-pull handle, and the inner end of the driving shaft is connected with a piston in the form of a circular plate; the inner side of the piston is connected with a locking bolt which is inserted into the limiting hole in cooperation; and a spring is further arranged in the cylindrical cavity and is sleeved on the driving shaft.

[0009] Compared with the prior art, the utility model has the beneficial effects that:

[0010] Firstly, the arc-shaped roof frame and the support column are rotatably connected through the rotating shaft, and the two parts of the support column are sleeved with each other, so that the arc-shaped roof frame can be folded when being stored and transported, the space occupation is reduced, and the arc-shaped roof frame is particularly suitable for transfer in the mining area.

[0011] Secondly, the utility model has the advantages of compact structure, reliable performance, convenient assembly and use, and can provide a more standardized and safer temporary support solution for mining in the mining area.

[0012] Thirdly, the utility model integrates the spray dust-settling mechanism, the spray pipe can be changed in left and right positions, and can be reliably positioned after being changed. The space for separately installing the spray mechanism is saved, and the spray mechanism does not need to be frequently disassembled and assembled, so that the operation efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a whole structure schematic view of the utility model embodiment;

[0014] Figure 2 It is a middle part section view of the arc-shaped roof frame in the utility model embodiment;

[0015] Figure 3 It is a structure schematic view of the sliding module and the spray mechanism in the utility model embodiment;

[0016] Figure 4 It is a structure schematic view of the positioning mechanism in the utility model embodiment.

[0017] The figure mark explanation: 1. Arc-shaped roof frame; 11. Arc-shaped upper plate; 12. Arc-shaped lower plate; 13. Side wall plate; 131. Sliding groove; 132. Limiting hole; 2. Upper support column; 3. Lower support column; 4. Rotating shaft; 5. Sliding module; 51. Front block; 511. Cylindrical cavity; 512. Locking bolt; 513. Piston; 514. Spring; 515. Driving shaft; 52. Sliding block; 53. Rear block; 54. Push-pull handle; 6. Connecting block; 7. Spray pipe; 8. Water supply pipe. PREFERRED EMBODIMENT

[0018] The utility model will be further described below in combination with the embodiment and the drawings.

[0019] AsFigure 1 The embodiment of the utility model discloses a bow -shaped roof 1, bow -shaped roof 1 left and right two sides each one upper support column 2 and each one lower support column 3. Bow -shaped roof 1 left and right ends are connected with the upper end of one upper support column 3 through the pivot 4 respectively, and the lower end of the upper support column 2 is sleeved in the lower support column 3. Specifically, the lower support column 3 is provided with an upwardly open slot, and the lower end of the upper support column 3 is inserted into the slot.

[0020] The upper support column 2 can be turned inwards around the pivot 4, realizing the folding between the bow -shaped roof 1 and the upper support column 2, and achieving the purpose of reducing space occupation in storage and transportation.

[0021] As Figure 2 The bow -shaped roof 1 includes an arc upper plate 11 and an arc lower plate 12 located below the arc upper plate 11, and further includes one side wall plate 13 located on each of the front and rear sides and arranged in parallel with each other, the upper and lower sides of the side wall plate 13 on the front side are fixedly connected with the front side of the arc upper plate 11 and the arc lower plate 12 respectively, and the upper and lower sides of the side wall plate 13 on the rear side are fixedly connected with the rear side of the arc upper plate 11 and the arc lower plate 12 respectively. Each of the side wall plates 13 on the front and rear sides is provided with one left-right running sliding groove 131 in position and same in shape and size. Figure 1 As shown in the drawings, the side wall plate 13 on the front side is provided with a plurality of limiting holes 132.

[0022] The embodiment of the utility model further includes a sliding module 5. In combination Figure 3 The sliding module 5 includes a sliding block 52 slidingly installed in the sliding groove 131. The front side of the sliding block 52 is connected with a front stopper 51, and the rear side is connected with a rear stopper 53. The rear stopper 53 is connected with a spray pipe 7 through a connecting block 6 on the lower side. The spray pipe 7 is further connected with a water supply pipe 8. The spray pipe 7 is arranged in a left-right direction, and a plurality of spray nozzles are installed on the side wall. The outer end of the water supply pipe 8 is connected with a high-pressure water source. The spray pipe 7 and the water supply pipe 8 constitute a spraying mechanism of the embodiment.

[0023] As Figure 4 The front stopper 51 has a cylindrical cavity 511, and the axis of the cylindrical cavity 511 is perpendicular to the side wall plate 13. A driving shaft 515 coaxial with the cylindrical cavity 511 is arranged in the cylindrical cavity 511. The outer end (right end) of the driving shaft 515 is connected with a push-pull handle 54 and the inner end is connected with a piston 513 in the form of a circular plate, and the inner side of the piston 513 is connected with a spring 512. Figure 4 The outer end of the driving shaft 515 is connected with the push-pull handle 54, and the inner end is connected with the piston 513 in the form of a circular plate. Figure 4The left side of the sliding module 5 is connected with a locking bolt 512 which is inserted into the limiting hole 132 from the front block 51. A spring 514 is arranged in the cylindrical cavity 511, which is sleeved on the driving shaft 515, the inner end of the spring 514 is in contact with the piston 513, and the right end is in contact with the right side wall plate of the cylindrical cavity 511. Figure 4 The cylindrical cavity 511, the locking bolt 512, the piston 513, the spring 514, the driving shaft 515 and the limiting hole 132 constitute the positioning mechanism of the embodiment.

[0024] By pulling the driving shaft 515 outward through the push-pull handle 54, the piston 513 slides outward against the elastic force of the spring 514, and the locking bolt 512 is pulled out of the limiting hole 132. After changing the position of the spray pipe 7 by sliding the sliding module 5 left and right, the spring 514 is released, the locking bolt 512 is inserted into another limiting hole 132, and the positioning of the sliding module 5 is realized.

Claims

1. A roadway temporary support device with a mobile spraying function, comprising an arc-shaped top frame (1), an upper support column (2) and a lower support column (3) on the left and right sides of the arc-shaped top frame (1), characterized in that: The arch-shaped top frame (1) is connected with the upper end of an upper supporting column (2) through a rotating shaft (4) at the left and right ends respectively, and the lower end of the upper supporting column (2) is sleeved in a lower supporting column (3); the arch-shaped top frame (1) comprises an arch-shaped upper plate (11), an arch-shaped lower plate (12) and one side wall plate (13) in front and back; a slide groove (131) extending leftward and rightward is formed in the side wall plate (13); the supporting device further comprises a sliding module (5); the sliding module (5) comprises a sliding block (52) slidingly installed in the slide groove (131); the front side of the sliding block (52) is connected with a front stop block (51), and the rear side is connected with a rear stop block (53); wherein the lower side of the rear stop block (53) is connected with a spraying pipe (7), and the spraying pipe (7) is further connected with a water supply pipe (8).

2. The temporary support device for roadways with mobile spraying function according to claim 1, characterized in that: A plurality of limiting holes (132) are formed in the front side wall plate (13); the front stop block (51) has a cylindrical cavity (511), and a driving shaft (515) is coaxially arranged in the cylindrical cavity (511); the outer end of the driving shaft (515) penetrates out of the front stop block (51) and is connected with a push-pull handle (54), and the inner end is connected with a piston (513) in the form of a circular plate; the inner side of the piston (513) is connected with a locking bolt (512) which is matched and inserted into the limiting hole (132); a spring (514) is further arranged on the driving shaft (515) in the cylindrical cavity (511).

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