Bedrock surface pre-burst detection device and use method

Abstract

The present invention relates to the technical field of gas detectors, and specifically to a bedrock surface pre-burst detection device and a method for using the device, comprising a combustible gas explosion-proof detector, wherein a gas capture end is provided at the bottom end of the combustible gas explosion-proof detector, a sleeve is provided at the bottom end of the gas capture end, and a collecting hood is provided at the bottom end of the sleeve; a partition hood is provided on the inner wall of the collecting hood, a plurality of through holes are provided on the surface of the combustible gas explosion-proof detector, a pump body is provided on the surface of the partition hood, and the pump body connects the gas capture end and a cavity below the partition hood; a clamping handle is movably plugged into the surface of the sleeve, a pressure ring is provided on the outer side of the collecting hood, and the pressure ring limits the push handle; the beneficial effect is as follows: the bedrock surface pre-burst detection device and the method for using the device proposed by the present invention are equipped with a collecting hood at the bottom end of the gas capture end, a plurality of through holes are provided on the surface of the collecting hood, and when the pump body is evacuated, a plurality of pump bodies simultaneously inject gas into the cavity between the collecting hood and the partition hood, thereby expanding the direction in which the gas capture end captures gas.

Description

Technical Field

[0001] The present invention relates to the technical field of gas detectors, and in particular to a bedrock surface pre-cracking detection device and a use method thereof. Background Art

[0002] Bedrock refers to the surface of hard rock beneath the loose material (soil and subsoil) on the Earth's land surface.

[0003] In the prior art, there is a risk of explosion of the bedrock surface inside the mine, which is usually caused by the explosion of combustible gas inside the mine. In order to avoid the explosion of the bedrock surface inside the mine, a combustible gas explosion-proof detector is usually installed in the shaft to monitor the combustible gas content inside the shaft and issue an early warning of the hidden danger of bedrock surface explosion.

[0004] However, the gas capture direction of the combustible gas explosion-proof detector is fixed, that is, the gas capture is toward the ground, and it is difficult to effectively suck the gas in other directions, thus affecting the sampling quality of the combustible gas explosion-proof detector. Summary of the invention

[0005] The object of the present invention is to provide a bedrock surface pre-burst detection device and a method of use to solve the problems raised in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solutions: a bedrock surface pre-explosion detection device, comprising a combustible gas explosion-proof detector, the bottom end of which is provided with a gas capture end, the bottom end of which is sleeved with a casing, and the bottom end of which is provided with a collection cover;

[0007] A separation cover is arranged on the inner wall of the collection cover, a plurality of through holes are opened on the surface of the combustible gas explosion-proof detector, a pump body is arranged on the surface of the separation cover, and the pump body is connected with the gas capture end and the cavity below the separation cover; and

[0008] The clamping handle is movably plugged on the surface of the sleeve, and a pressing ring is sleeved on the outer side of the collecting cover, and the pressing ring limits the push handle.

[0009] Preferably, the collecting hood is a spherical structure with a hollow interior, a reserved opening is provided on the top surface of the collecting hood, after the gas capture end is inserted into the reserved opening, the sleeve is sleeved on the outside of the gas capture end, and a flow guide hood is provided on the outer wall of the collecting hood, and the flow guide hood and the through hole correspond one to one.

[0010] Preferably, the separation cover is an arc-shaped cover, the suction pipe of the pump body passes through the plate body of the separation cover, and the air supply pipe of the pump body is connected to the gas capture end.

[0011] Preferably, a traction handle is centrally arranged on the bottom surface of the collecting cover, and the traction handle is an inverted "T"-shaped column structure. A card slot is provided on the side wall of the bottom plate of the traction handle, and the card slot is an annular groove. A flexible protective cover is sleeved on the outer side of the collecting cover, and an elastic band is arranged at one end of the flexible protective cover. After the flexible protective cover is unfolded, the elastic band is sleeved in the card slot.

[0012] Preferably, the outer ring surface of the sleeve is provided with a side groove, the side groove is an annular groove, the top surface of the side groove is provided with a receiving groove, the pressure ring is movably inserted in the receiving groove, the bottom surface of the pressure ring is provided with a rubber gasket, and the outer ring surface of the pressure ring is provided with multiple traction plates.

[0013] Preferably, the side wall of the side groove is provided with a plurality of through holes, and the clamping handle is movably inserted in the through hole, the through hole is a "T"-shaped hole, a rubber gasket is provided at one end of the through hole facing the inside of the sleeve, and a push handle is provided at the other end of the clamping handle, and a slope is provided on one side of the push handle, with the slope facing upward.

[0014] Preferably, a spring 1 is sleeved on the outer side of the clamping handle, and the spring 1 is fixed between the through hole and the push handle.

[0015] Preferably, a lifting cover is sleeved on the top end of the side groove, and the lifting cover is a ring-shaped structure with a "convex"-shaped inner ring opening. A push rod is provided on the bottom surface of the top plate of the lifting cover. The push rod passes through the top surface of the collecting cover and is inserted into the storage groove, and the bottom surface of the push rod is fixed to the top surface of the lifting cover. There are multiple push rods.

[0016] Preferably, a mounting groove is provided on the top surface of the side groove, and the mounting groove and the lifting cover are connected via spring 2.

[0017] A method of use, characterized in that the method of use comprises the following steps:

[0018] The upper lifting and lowering cover is lifted by pulling the pressure ring through the push rod. At this time, the spring is not stretched and the push handle is under the pressure ring.

[0019] After the sleeve is put on the bottom end of the gas capture end, the lifting cover is released, and the lifting cover is pulled back by the second spring. During this process, the pulling piece is pinched by hand to pull the pressure ring down, and the pressure ring squeezes the push handle to make the rubber gasket clamp the gas capture end, so that the gas capture end and the collection cover are connected and fixed;

[0020] Start the pump body. When the pump body is pumping gas, the multiple through holes on the surface of the collection cover provide the pump body with multi-directional air extraction. The pump body injects the gas around the collection cover into the gas capture end, waiting for detection by the combustible gas explosion-proof detector;

[0021] After the combustible gas explosion-proof detector is used, the flexible protective cover is pulled down to unfold, and the flexible protective cover is wrapped around the outside of the collection cover, and the elastic band is looped in the card slot to prevent the flexible protective cover from rebounding at will.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] The bedrock surface pre-burst detection device and use method proposed in the present invention add a collection cover to the bottom end of the gas capture end, and a plurality of through holes are opened on the surface of the collection cover. When the pump body is pumping air, the plurality of pump bodies simultaneously inject air into the cavity between the collection cover and the separation cover, thereby expanding the direction in which the gas capture end captures gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the structure of the present invention;

[0025] Figure 2 for Figure 1 A schematic diagram of the structure enlargement in the middle;

[0026] Figure 3 This is a schematic diagram of the structure of the collecting cover of the present invention;

[0027] Figure 4 for Figure 3 A magnified schematic diagram of the structure at B in the middle;

[0028] Figure 5 for Figure 3 Enlarged schematic diagram of the structure at point C in the middle.

[0029] In the figure: combustible gas explosion-proof detector 1, gas capture end 2, collection cover 3, separation cover 4, pump body 5, through hole 6, deflector 7, traction handle 8, card slot 9, flexible protective cover 10, elastic band 11, sleeve 12, side groove 13, perforation 14, clamping handle 15, rubber gasket 16, push handle 17, spring 1 18, pressure ring 19, traction piece 20, rubber gasket 21, storage groove 22, push rod 23, lifting cover 24, spring 2 25, installation groove 26. DETAILED DESCRIPTION

[0030] In order to make the purpose and technical solution of the present invention clearly and completely described, and the advantages more clearly understood, the embodiments of the present invention are further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, rather than all of the embodiments, and are only used to explain the embodiments of the present invention, and are not used to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] In the description of the present invention, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "one", "first", "second", "third", "fourth", "fifth", "sixth" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0032] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] For the purpose of simplicity and illustration, the principles of the embodiments are mainly described by reference to examples. In the following description, many specific details are proposed to provide a thorough understanding of the embodiments. However, it is obvious that for those of ordinary skill in the art, these embodiments may not be limited to these specific details in practice. In some instances, known methods and structures are not described in detail to avoid making these embodiments unnecessarily difficult to understand. In addition, all embodiments can be used in combination with each other.

[0034] Embodiment 1

[0035] See also Figure 1 The present invention provides a technical solution: a bedrock surface pre-burst detection device, comprising a combustible gas explosion-proof detector 1, a gas capture end 2 is arranged at the bottom end of the combustible gas explosion-proof detector 1, a sleeve 12 is sleeved at the bottom end of the gas capture end 2, and a collection cover 3 is arranged at the bottom end of the sleeve 12; a separation cover 4 is arranged on the inner wall of the collection cover 3, a plurality of through holes 6 are opened on the surface of the combustible gas explosion-proof detector 1, a pump body 5 is arranged on the surface of the separation cover 4, and the pump body 5 connects the gas capture end 2 and the cavity below the separation cover 4; a clamping handle 15 is movably plugged on the surface of the sleeve 12, a pressure ring 19 is sleeved on the outer side of the collection cover 3, and the pressure ring 19 limits the push handle 17;

[0036] The collecting hood 3 is a spherical structure with a hollow interior, and a reserved opening is provided on the top surface of the collecting hood 3. After the gas capture end 2 is inserted into the reserved opening, the sleeve 12 is sleeved on the outside of the gas capture end 2, and a flow guide hood 7 is provided on the outer wall of the collecting hood 3, and the flow guide hood 7 and the through holes 6 correspond one to one; the separating hood 4 is an arc-shaped hood, and the suction pipe of the pump body 5 passes through the plate body of the separating hood 4, and the air supply pipe of the pump body 5 is connected to the gas capture end 2; the collecting hood 3 is installed at the bottom end of the gas capture end 2, and multiple groups of through holes 6 are provided on the surface of the collecting hood 3. When the pump body 5 is evacuating air, multiple groups of pump bodies 5 simultaneously inject air into the cavity between the collecting hood 3 and the separating hood 4, thereby expanding the direction in which the gas capture end 2 captures gas.

[0037] Embodiment 2

[0038] See attached Figure 3 and Figure 5 On the basis of the first embodiment, in order to realize the protection of the idle collecting cover 3, a traction handle 8 is centrally arranged on the bottom surface of the collecting cover 3, and the traction handle 8 is an inverted "T"-shaped column structure. A card slot 9 is provided on the side wall of the bottom plate of the traction handle 8, and the card slot 9 is an annular groove. A flexible protective cover 10 is sleeved on the outside of the collecting cover 3, and an elastic band 11 is provided at one end of the flexible protective cover 10. After the flexible protective cover 10 is unfolded, the elastic band 11 is sleeved in the card slot 9; after the flexible protective cover 10 is wrapped around the outside of the flexible protective cover 10, the deflector 7 and the through hole 6 are blocked to prevent debris from entering the collecting cover 3.

[0039] Embodiment 3

[0040] Reference Figure 2 and Figure 4 On the basis of the second embodiment, in order to realize the fixation of the collection cover 3 after being sleeved on the gas capture end 2, the outer ring surface of the sleeve 12 is provided with a side groove 13, the side groove 13 is an annular groove, and the top surface of the side groove 13 is provided with a receiving groove 22, the pressure ring 19 is movably inserted in the receiving groove 22, the bottom surface of the pressure ring 19 is provided with a rubber gasket 21, and the outer ring surface of the pressure ring 19 is provided with a plurality of traction sheets 20, the side wall of the side groove 13 is provided with a plurality of through holes 14, the clamping handle 15 is movably inserted in the through hole 14, the through hole 14 is a "T" shaped hole, and a rubber gasket 16 is provided at one end of the through hole 14 facing the inside of the sleeve 12, and a push handle 17 is provided at the other end of the clamping handle 15, and a slope is provided on one side of the push handle 17, and the slope faces upward, and a spring 18 is sleeved on the outer side of the clamping handle 15, and the spring 18 is fixed between the through hole 14 and the push handle 17;

[0041] After the pressure ring 19 is moved down along the receiving groove 22, it blocks one side of the push handle 17. At this time, the rubber gasket 16 is tightly clamped between the push handle 17 and the gas capture end 2 to prevent the collection cover 3 from falling off, and the spring 18 is compressed, and the push handle 17 is against the inner ring surface of the pressure ring 19 to prevent the clamping handle 15 from retreating.

[0042] Embodiment 4

[0043] On the basis of the third embodiment, in order to realize the elastic downward pressure of the lifting cover 24, the top end of the side groove 13 is sleeved with a lifting cover 24, and the lifting cover 24 is a ring-shaped structure with a "convex" shape in the inner ring opening. A push rod 23 is provided on the bottom surface of the top plate of the lifting cover 24. The push rod 23 penetrates the top surface of the collection cover 3 and is inserted into the storage groove 22, and the bottom surface of the push rod 23 is fixed to the top surface of the lifting cover 24. A plurality of push rods 23 are provided, and a mounting groove 26 is opened on the top surface of the side groove 13. The mounting groove 26 and the lifting cover 24 are connected by a spring 25;

[0044] After the pressing ring 19 descends, the spring 25 pulls the lifting cover 24, that is, at this time, the lifting cover 24 presses the push rod 23 downward to push the pressing ring 19 downward to prevent the pressing ring 19 from moving back.

[0045] Embodiment 5

[0046] A method of use, the method comprising the following steps:

[0047] The upper lifting cover 24 is lifted by pulling the pressure ring 19 through the push rod 23. At this time, the spring 18 is not stretched and the push handle 17 is below the pressure ring 19.

[0048] After the sleeve 12 is put on the bottom end of the gas capture end 2, the lifting cover 24 is released, and the lifting cover 24 is pulled back by the spring 25. During this process, the pulling piece 20 is squeezed by hand to pull the pressing ring 19 down, and the pressing ring 19 squeezes the push handle 17 to make the rubber gasket 16 clamp the gas capture end 2, so that the gas capture end 2 and the collection cover 3 are connected and fixed;

[0049] Start the pump body 5. When the pump body 5 is pumping gas, the multiple through holes 6 on the surface of the collection cover 3 provide the pump body 5 with multi-directional gas extraction. The pump body 5 injects the gas around the collection cover 3 into the gas capture end 2, waiting for the combustible gas explosion-proof detector 1 to detect;

[0050] After the combustible gas explosion-proof detector 1 is used, the flexible protective cover 10 is pulled down to unfold, and the flexible protective cover 10 is wrapped around the outside of the collection cover 3, and the elastic band ring 11 is sleeved in the card slot 9 to prevent the flexible protective cover 10 from rebounding at will.

[0051] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A bedrock surface pre-explosion detection device, comprising a combustible gas explosion-proof detector (1), wherein a gas capture end (2) is provided at the bottom end of the combustible gas explosion-proof detector (1), characterized in that: The bottom end of the gas capture end (2) is sleeved with a sleeve (12), and the bottom end of the sleeve (12) is provided with a collection cover (3); a separation cover (4) is arranged on the inner wall of the collection cover (3), a plurality of through holes (6) are opened on the surface of the combustible gas explosion-proof detector (1), a pump body (5) is arranged on the surface of the separation cover (4), and the pump body (5) is connected with the gas capture end (2) and the cavity below the separation cover (4); and a clamping handle (15) is movably plugged into the surface of the sleeve (12), and a pressure ring (19) is sleeved on the outer side of the collection cover (3), and the pressure ring (19) limits the push handle (17); The collecting hood (3) is a spherical structure with a hollow interior. A reserved opening is provided on the top surface of the collecting hood (3). After the gas capturing end (2) is inserted into the reserved opening, the sleeve (12) is sleeved on the outside of the gas capturing end (2). A flow guide hood (7) is provided on the outer wall of the collecting hood (3). The flow guide hood (7) and the through hole (6) correspond one to one.

2. A bedrock surface pre-cracking detection device according to claim 1, characterized in that: The partition cover (4) is an arc-shaped cover, the suction pipe of the pump body (5) passes through the plate body of the partition cover (4), and the air supply pipe of the pump body (5) is connected to the gas capture end (2).

3. A bedrock surface pre-cracking detection device according to claim 2, characterized in that: A traction handle (8) is centrally arranged on the bottom surface of the collecting cover (3), the traction handle (8) being an inverted "T"-shaped columnar structure, a clamping groove (9) is provided on the side wall of the bottom plate of the traction handle (8), the clamping groove (9) being an annular groove, a flexible protective cover (10) is sleeved on the outer side of the collecting cover (3), an elastic band (11) is arranged at one end of the flexible protective cover (10), and when the flexible protective cover (10) is unfolded, the elastic band (11) is sleeved in the clamping groove (9).

4. A bedrock surface pre-burst detection device according to claim 3, characterized in that: The outer ring surface of the sleeve (12) is provided with a side groove (13), the side groove (13) is an annular groove, the top surface of the side groove (13) is provided with a receiving groove (22), the pressure ring (19) is movably inserted in the receiving groove (22), the bottom surface of the pressure ring (19) is provided with a rubber gasket (21), and the outer ring surface of the pressure ring (19) is provided with a plurality of traction pieces (20).

5. A bedrock surface pre-burst detection device according to claim 4, characterized in that: The side wall of the side groove (13) is provided with a plurality of through holes (14), and the clamping handle (15) is movably inserted into the through hole (14). The through hole (14) is a "T"-shaped hole. A rubber gasket (16) is provided at one end of the through hole (14) facing the inside of the sleeve (12). A push handle (17) is provided at the other end of the clamping handle (15). A slope is provided on one side of the push handle (17), and the slope faces upward.

6. A bedrock surface pre-cracking detection device according to claim 5, characterized in that: The outer side of the clamping handle (15) is sleeved with a spring 1 (18), and the spring 1 (18) is fixed between the through hole (14) and the push handle (17).

7. A bedrock surface pre-cracking detection device according to claim 6, characterized in that: The top end of the side groove (13) is sleeved with a lifting cover (24), the lifting cover (24) is an annular structure with an inner ring opening in a "convex" shape, and a push rod (23) is provided on the bottom surface of the top plate of the lifting cover (24), the push rod (23) penetrates the top surface of the collection cover (3) and is inserted into the storage groove (22), and the bottom surface of the push rod (23) is fixed to the top surface of the lifting cover (24), and a plurality of push rods (23) are provided.

8. A bedrock surface pre-cracking detection device according to claim 7, characterized in that: The top surface of the side groove (13) is provided with a mounting groove (26), and the mounting groove (26) and the lifting cover (24) are connected via a second spring (25).

9. A method for using the bedrock surface pre-burst detection device according to any one of claims 1 to 8, characterized in that: The method of use comprises the following steps: the upper lifting and lowering cover is lifted by pulling the pressure ring through the push rod, at which time the spring is not stretched and the push handle is under the pressure ring; After the sleeve is put on the bottom end of the gas capture end, the lifting cover is released, and the lifting cover is pulled back by the second spring. During this process, the pulling piece is pinched by hand to pull the pressure ring down, and the pressure ring squeezes the push handle to make the rubber gasket clamp the gas capture end, so that the gas capture end and the collection cover are connected and fixed; Start the pump body. When the pump body is pumping gas, the multiple through holes on the surface of the collection cover provide the pump body with multi-directional air extraction. The pump body injects the gas around the collection cover into the gas capture end, waiting for detection by the combustible gas explosion-proof detector; After the combustible gas explosion-proof detector is used, the flexible protective cover is pulled down to unfold, and the flexible protective cover is wrapped around the outside of the collection cover, and the elastic band is looped in the card slot to prevent the flexible protective cover from rebounding at will.

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