Stopping open-off cut top-cutting pressure relief device

Abstract

The utility model relates to the technical field of stopping open-off cut top cutting, in particular to a stopping open-off cut top cutting pressure relief device. According to the technical scheme, the pressure relief box comprises a pressure relief box body, a supporting frame and an outer rod, the outer end face of one side of the pressure relief box body is connected with a material taking door through a hinge, supporting legs are fixed to the lower surface of the pressure relief box body, a fixing groove is formed in the upper surface of the pressure relief box body, and a mounting frame is fixed to the lower surfaces of the supporting legs; moving wheels are rotatably connected to the interiors of the mounting frames, fixing frames are fixed to the outer end faces of the two sides of the pressure relief box body, air bags are installed on the upper surface of the supporting frame, sliding frames are fixed to the outer end faces of the two sides of the supporting frame, sliding grooves are formed in the lower surfaces of the sliding frames, and the sliding grooves are slidably connected to the outer surfaces of the fixing frames; and the outer end face of one side of the sliding frame is in threaded connection with a fixing bolt, an inner rod is movably inserted into the upper surface of the outer rod, and a fixing bag is installed on the upper surface of the inner rod. The pressure relief device is better in pressure relief effect and capable of protecting a roadway.

Description

Technical Field

[0001] The utility model relates to the technical field of stopping mining, cutting holes and cutting roofs, and in particular to a device for relieving pressure during stopping mining, cutting holes and cutting roofs. Background Art

[0002] The roof cutting and pressure relief is to arrange the pre-splitting blasting and roof cutting drill holes along the side of the reserved roadway in front of the working face, and carry out advanced pre-splitting blasting on the roof of the working face to produce a cut in the predetermined direction, which is the roof cutting line. The pressure relief device is required to stop mining and cut the top.

[0003] Although the current pressure relief device for cutting eyes and cutting the top can relieve pressure when in use, it still cannot avoid the destruction of the tunnel by the exploded fragments, resulting in the need for constant repair of the tunnel. However, the supporting force is limited, and the vicious cycle still cannot guarantee the safety of the tunnel. Utility Model Content

[0004] The utility model aims to provide a pressure relief device for cutting holes and roofs when stopping mining, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a device for stopping mining, cutting eyes and cutting tops to relieve pressure, comprising a pressure relief box body, a support frame and an outer rod, a support leg is fixed to the lower surface of the pressure relief box body, and a fixing groove is opened on the upper surface of the pressure relief box body, fixing frames are fixed to the outer end surfaces on both sides of the pressure relief box body, sliding frames are fixed to the outer end surfaces on both sides of the support frame, a connecting frame is fixed to the lower surface of the outer rod, and the connecting frame is fixed to the inner wall of the pressure relief box body, an inner rod is movably inserted into the upper surface of the outer rod, and a fixing bag is installed on the upper surface of the inner rod.

[0006] When using a pressure relief device for stopping mining, cutting and top cutting in the technical solution, loosen the fixing bolt, hold the support frame, drive the support frame to slide by hand, and the support frame drives the slide frame to slide; according to specific actual needs, the support frame is slid to a suitable position, tighten the fixing bolt, and the outer rod drives the inner rod to rise under the action of the power device, and the inner rod drives the fixing bag to rise, and the fixing bag rises to the upper surface of the air bag through the through groove, and the handle is held, and the hand drives the handle to rotate, and the handle drives the sealing plug to rotate, and the sealing plug is opened, and the air bag and the fixed bag are filled with air through the air inlet pipe, and the sealing plug is tightly closed. When the eye cutting and top cutting blasting is carried out, a large amount of fragments will be splashed, and the air bag and the fixed bag can buffer the impact force of the blasting, and the air bag and the fixed bag can catch the fragments, release the gas in the fixed bag, and retract the fixed bag into the pressure relief box body, and the fragments can enter the support frame through the through groove, and then fall into the inside of the pressure relief box body through the fixed groove. The pressure relief box body can collect the fragments, and the pressure relief effect is better, which can protect the tunnel.

[0007] Preferably, an air bag is installed on the upper surface of the support frame, and a through groove is provided inside the air bag. By arranging the air bag on the upper surface of the support frame, it is convenient to buffer the explosion.

[0008] Preferably, handles are welded on both sides of the outer end surface of the pressure relief box body, and the outer surface of the handles is provided with anti-slip grooves. By arranging the handles on both sides of the pressure relief box body, it is convenient to move the pressure relief box body by holding the handles.

[0009] Preferably, a mounting frame is fixed on the lower surface of the support leg, and a moving wheel is rotatably connected inside the mounting frame. By arranging the mounting frame and the moving wheel on the lower surface of the support leg, it is convenient to drive the pressure relief box body to move.

[0010] Preferably, a material taking door is hingedly connected to one side of the outer end surface of the pressure relief box body, and a handle is welded to one side of the outer end surface of the material taking door. By arranging a handle on one side of the material taking door, it is convenient to hold the handle to open or close the material taking door.

[0011] Preferably, a slide groove is provided on the lower surface of the slide, and the slide groove is slidably connected to the outer surface of the fixing frame, and a fixing bolt is threadedly connected to the outer end surface of one side of the slide. By providing the slide groove on the lower surface of the slide, it is convenient to drive the support frame to slide.

[0012] Preferably, the upper surfaces of the airbag and the fixed bag are both connected to an air inlet pipe, and the upper surface of the air inlet pipe is threadedly connected to a sealing plug, and a handle is fixed to the upper surface of the sealing plug. By arranging the handle on the upper surface of the sealing plug, it is convenient to hold the handle to open or close the sealing plug.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The utility model achieves a better pressure relief effect by arranging the air bag, the fixed bag and the pressure relief box body, which can protect the tunnel. The fixing bolts are loosened, the support frame is held by hand, the support frame is driven by hand to slide, and the support frame drives the slide frame to slide. According to specific actual needs, the support frame is slid to a suitable position, the fixing bolts are tightened, and the outer rod drives the inner rod to rise under the action of the power device, and the inner rod drives the fixed bag to rise, and the fixed bag is raised to the upper surface of the air bag through the through groove. The handle is held and the hand drives the handle to rotate, and the handle drives the sealing plug to rotate, and the sealing plug is opened, and the air bag and the fixed bag are filled with gas through the air intake pipe, and the sealing plug is tightly covered. When the eye and top are cut and blasted, a large number of fragments will splash, and the air bag and the fixed bag can buffer the impact force of the blasting, and the air bag and the fixed bag can catch the fragments, and the fixed bag gas is released, and the fixed bag is retracted into the pressure relief box body. The fragments can enter the support frame through the through groove, and then fall into the inside of the pressure relief box body through the fixed groove. The pressure relief box body can collect the fragments, and the pressure relief effect is better, which can protect the tunnel.

[0015] 2. The utility model achieves the effect of facilitating the movement of the pressure relief box body by arranging a material taking door, supporting legs and moving wheels. The pressure relief box body can be moved by holding the handle and the hand drives the handle to push the pressure relief box body. The pressure relief box body can be moved by the moving wheels, which is convenient for moving the pressure relief box body to the position where it is needed. After the pressure relief is completed, the handle is held and the hand drives the handle to open the material taking door, and the broken pieces can be taken out. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0017] Figure 2 It is a partial enlarged structural schematic diagram of the fixing frame of the utility model;

[0018] Figure 3 It is a schematic diagram of the main cross-sectional structure of the pressure relief box body of the utility model;

[0019] Figure 4 It is an enlarged structural schematic diagram of the fixing bag of the utility model.

[0020] In the figure: 1. air bag; 2. through groove; 3. fixing frame; 4. handle; 5. pressure relief box body; 6. supporting leg; 7. mounting frame; 8. moving wheel; 9. material taking door; 10. handle; 11. supporting frame; 12. fixing bolt; 13. slide frame; 14. slide groove; 15. fixing bag; 16. fixing groove; 17. inner rod; 18. outer rod; 19. connecting frame; 20. sealing plug; 21. handle; 22. air inlet pipe. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Embodiment 1

[0023] See also Figures 1 to 4The utility model provides an embodiment: a pressure relief device for stopping mining, cutting eye and cutting top, comprising a pressure relief box body 5, a support frame 11 and an outer rod 18, the outer end surfaces of both sides of the pressure relief box body 5 are fixed with a fixing frame 3, the upper surface of the support frame 11 is installed with an air bag 1, and a through groove 2 is opened inside the air bag 1, the outer end surfaces of both sides of the support frame 11 are fixed with a slide 13, the lower surface of the slide 13 is opened with a slide groove 14, and the slide groove 14 is slidably connected to the outer surface of the fixing frame 3, A fixing bolt 12 is threadedly connected to the outer end surface of one side of the slide 13, a connecting frame 19 is fixed to the lower surface of the outer rod 18, and the connecting frame 19 is fixed to the inner wall of the pressure relief box body 5, the inner rod 17 is movably inserted into the upper surface of the outer rod 18, and a fixing bag 15 is installed on the upper surface of the inner rod 17, the upper surfaces of the airbag 1 and the fixing bag 15 are both connected to the air intake pipe 22, and the upper surface of the air intake pipe 22 is threadedly connected to the sealing plug 20, and a handle 21 is fixed to the upper surface of the sealing plug 20.

[0024] Of course, as is well known to those skilled in the art, the airbag 1 and the fixed bag 15 of the utility model also need to provide a power device to enable them to work normally, and as is well known to those skilled in the art, the provision of the power is commonplace, and it all belongs to conventional means or common knowledge, and will not be elaborated here. Those skilled in the art can make any optional selection according to their needs or convenience.

[0025] Based on a stop-mining eye-cutting and top-cutting pressure relief device according to Example 1, loosen the fixing bolt 12, hold the support frame 11, and drive the support frame 11 to slide by hand, and the support frame 11 drives the slide 13 to slide, and slide the support frame 11 to a suitable position according to specific actual needs, tighten the fixing bolt 12, and the outer rod 18 drives the inner rod 17 to rise under the action of the power device, and the inner rod 17 drives the fixing bag 15 to rise, and the fixing bag 15 is raised to the upper surface of the airbag 1 through the through groove 2, and the handle 21 is held, and the hand drives the handle 21 to rotate, and the handle 21 drives the sealing plug 20 to rotate, The sealing plug 20 is opened, and the airbag 1 and the fixed bag 15 are filled with air through the air inlet pipe 22, and the sealing plug 20 is closed. When the eye and top are cut and blasted, a large number of fragments will fly. The airbag 1 and the fixed bag 15 can buffer the impact force of the blasting, and the airbag 1 and the fixed bag 15 can catch the fragments. The gas in the fixed bag 15 is released, and the fixed bag 15 is retracted into the pressure relief box body 5. The fragments can enter the support frame 11 through the through groove 2, and then fall into the inside of the pressure relief box body 5 through the fixed groove 16. The pressure relief box body 5 can collect the fragments, and the pressure relief effect is better, which can protect the tunnel.

[0026] Embodiment 2

[0027] like Figure 1-Figure 4As shown, the utility model proposes a device for stopping mining, cutting eyes and cutting tops and relieving pressure. Compared with the first embodiment, this embodiment also includes a pressure relief box body 5, a support frame 11 and an outer rod 18. Handles 4 are welded to the outer end faces on both sides of the pressure relief box body 5, and the outer surface of the handle 4 is provided with anti-slip grooves, one side of the outer end face of the pressure relief box body 5 is hingedly connected to a material taking door 9, and one side of the outer end face of the material taking door 9 is welded with a handle 10, the lower surface of the pressure relief box body 5 is fixed with a support leg 6, and the upper surface of the pressure relief box body 5 is provided with a fixing groove 16, the lower surface of the support leg 6 is fixed with a mounting frame 7, and the inner part of the mounting frame 7 is rotatably connected to a moving wheel 8.

[0028] In this embodiment, the handle 4 is held and driven by the hand to push the pressure relief box body 5. The pressure relief box body 5 can be moved by the moving wheel 8, so that the pressure relief box body 5 can be moved to the position where it is needed. After the pressure relief is completed, the handle 10 is held and driven by the hand to open the material removal door 9, and the broken pieces can be taken out.

[0029] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A pressure relief device for cutting holes and roofing when stopping production, comprising a pressure relief box body (5), a support frame (11) and an outer rod (18), characterized in that: A support leg (6) is fixed to the lower surface of the pressure relief box body (5), and a fixing groove (16) is provided on the upper surface of the pressure relief box body (5); a fixing frame (3) is fixed to the outer end surfaces on both sides of the pressure relief box body (5); a sliding frame (13) is fixed to the outer end surfaces on both sides of the support frame (11); a connecting frame (19) is fixed to the lower surface of the outer rod (18), and the connecting frame (19) is fixed to the inner wall of the pressure relief box body (5); an inner rod (17) is movably inserted into the upper surface of the outer rod (18), and a fixing bag (15) is installed on the upper surface of the inner rod (17).

2. A device for relieving pressure during eye cutting and roof cutting according to claim 1, characterized in that: An air bag (1) is installed on the upper surface of the support frame (11), and a through groove (2) is provided inside the air bag (1).

3. The device for relieving pressure during eye cutting and roof cutting according to claim 1 is characterized in that: Handles (4) are welded to both side outer end surfaces of the pressure relief box body (5), and the outer surfaces of the handles (4) are provided with anti-slip grooves.

4. The device for relieving pressure during eye cutting and roof cutting according to claim 1 is characterized in that: A mounting frame (7) is fixed to the lower surface of the support leg (6), and a moving wheel (8) is rotatably connected inside the mounting frame (7).

5. The device for relieving pressure during eye cutting and roof cutting according to claim 1 is characterized in that: One side outer end surface of the pressure relief box body (5) is hingedly connected to a material taking door (9), and one side outer end surface of the material taking door (9) is welded with a handle (10).

6. The device for relieving pressure during eye cutting and roof cutting according to claim 1 is characterized in that: A slide groove (14) is provided on the lower surface of the slide frame (13), and the slide groove (14) is slidably connected to the outer surface of the fixed frame (3); and a fixing bolt (12) is threadedly connected to an outer end surface of one side of the slide frame (13).

7. The device for relieving pressure during eye cutting and roof cutting according to claim 2 is characterized in that: The upper surfaces of the airbag (1) and the fixed bag (15) are both connected to an air inlet pipe (22), and the upper surface of the air inlet pipe (22) is threadedly connected to a sealing plug (20), and a handle (21) is fixed to the upper surface of the sealing plug (20).

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