CN216741464U - Pressure relief device for pressure of underground drilling - Google Patents
Pressure relief device for pressure of underground drilling Download PDFInfo
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- CN216741464U CN216741464U CN202220297821.6U CN202220297821U CN216741464U CN 216741464 U CN216741464 U CN 216741464U CN 202220297821 U CN202220297821 U CN 202220297821U CN 216741464 U CN216741464 U CN 216741464U
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- ring
- wall body
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- relief device
- annular piece
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- 238000005553 drilling Methods 0.000 title claims abstract description 21
- 230000003139 buffering effect Effects 0.000 claims abstract description 6
- 230000006835 compression Effects 0.000 claims description 12
- 238000007906 compression Methods 0.000 claims description 12
- 239000004744 fabric Substances 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 2
- 239000012535 impurity Substances 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 9
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The utility model discloses a pressure relief device for pressure of underground drilling, which comprises a wall body and a drill rod for drilling on the wall body, wherein an annular piece is detachably arranged on the wall body through a fastening part, a buffer space is arranged on one side of the annular piece close to the wall body, the drill rod penetrates through the annular piece, and a plurality of exhaust ports are formed in the annular piece; the fastening part comprises a mounting block fixed on the annular piece, a mounting hole formed in the wall body and an expansion bolt inserted in the mounting hole and used for fixing the mounting block to the wall body. According to the utility model, the annular piece with the buffering space is arranged, and the movable baffle plate in elastic sliding connection is matched, so that the gas pressure can be buffered when high-pressure gas is sprayed out along a drilled hole, and particulate impurities mixed in the annular piece can also impact the inside of the annular piece, so that the operator cannot be injured, the safety is high, the integral structure is simple, the production and use costs are low, and the practicability is high.
Description
Technical Field
The utility model relates to the technical field of underground drilling, in particular to a pressure relief device for the pressure of underground drilling.
Background
Often need punch to wall body inside before the mining under the ore deposit, and will appear the drilling rod and bore gas layer such as gas layer inside at the in-process that punches to will appear gas along the quick blowout of drilling, wherein mix with the particulate matter and just cause the injury to the staff easily, consequently need utilize pressure relief device to cushion this gas pressure.
Current pressure relief device structure is complicated, and when actual operation, need cooperate a large amount of mechanical structure just can realize the buffering to spun gas, and under the narrow environment in ore deposit, current pressure relief device does not have the practicality, can not satisfy actual user demand.
Disclosure of Invention
The utility model aims to provide a pressure relief device for underground drilling pressure, which aims to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a pressure relief device for pressure of underground drilling comprises a wall body and a drill rod for drilling holes in the wall body, wherein an annular piece is detachably mounted on the wall body through a fastening part, a buffering space is formed in one side, close to the wall body, of the annular piece, the drill rod penetrates through the annular piece, a plurality of air outlets are formed in the annular piece, and movable baffles for blocking the air outlets are movably mounted on the annular piece through elastic parts; the fastening part comprises a mounting block fixed on the annular piece, a mounting hole formed in the wall body and an expansion bolt inserted in the mounting hole and used for fixing the mounting block to the wall body; the elastic component comprises a guide sleeve and a guide rod which are arranged in a matched mode and a compression spring sleeved on the guide rod, the guide sleeve is fixed on the annular piece, one end of the guide rod is fixedly connected with the movable baffle, the other end of the guide rod is fixed with an end plate, and two ends of the compression spring are fixed on the guide sleeve and the end plate respectively.
Preferably, the expansion bolt comprises a connecting pipe penetrating through the mounting block, a plurality of clamping pieces hinged to one end of the connecting pipe, a limiting ring fixed to the other end of the connecting pipe, a screw penetrating through the connecting pipe, a supporting block fixed to one end of the screw, and a nut in threaded sleeve connection with the other end of the screw, wherein the supporting block is used for supporting the clamping pieces so that the clamping pieces can be tightly abutted to the inner surface of the mounting hole.
Preferably, the outer side of the compression spring is sleeved with a cloth cylinder, and two ends of the cloth cylinder are respectively sleeved on the guide sleeve and the end plate.
Preferably, the outer surface of the connecting pipe is provided with a plurality of first spring pieces equal to the number of the clamping pieces, and one ends of the first spring pieces are in contact with the clamping pieces.
Preferably, a fixing ring is fixed on the limiting ring, a support ring fixed with a nut is sleeved on the screw, a plurality of ratchet grooves are formed in the outer surface of the support ring, ratchets matched with the ratchet grooves are rotatably installed on the inner surface of the fixing ring through pin shafts, and spring pieces II for pressing the ratchets are fixed on the inner surface of the fixing ring.
Preferably, the ratchet is fixedly connected with a connecting rope, and one end of the connecting rope penetrates through a thread passing hole formed in the fixing ring and is fixed with a pull ring.
Compared with the prior art, the utility model has the beneficial effects that:
1. this pressure relief device of drilling pressure under ore deposit has the loop forming element in buffering space through the setting, deuterogamies elastic sliding connection's adjustable fender to can cushion this gas pressure when high-pressure gas spouts along drilling, the inside of loop forming element also can be strikeed into to its inside particulate matter impurity that is mingled with simultaneously, and can not lead to the fact the injury to the staff, and the security is high, and overall structure is simple, and production and use are with low costs, and the practicality is strong.
2. This pressure relief device of drilling pressure under ore deposit through setting up the chucking piece of articulated connection for the chucking piece can also resume the normal position after being expanded by the supporting shoe, thereby can realize expansion bolts's quick dismantlement and cyclic utilization, and it is convenient to have brought for the use of reality.
3. This pressure relief device of drilling pressure under ore deposit through setting up spring leaf one, can compress tightly the location to the chucking piece for when the supporting shoe is not between a plurality of chucking pieces, a plurality of chucking pieces can draw in together, thereby made things convenient for the grafting of connecting pipe, improved expansion bolts's installation effectiveness.
4. This pressure relief device of drilling pressure under ore deposit through setting up solid fixed ring and support ring, deuterogamy ratchet groove and ratchet for the nut can only rotate towards the direction of screwing up, and can not rotate towards not hard up direction, thereby has just avoided the not hard up appearance of nut to take place, and stability is high.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is a schematic cross-sectional view of the connecting tube of the present invention;
FIG. 4 is a schematic side view of the retaining ring of the present invention.
In the figure: 1. a wall body; 2. a drill stem; 3. an annular member; 4. an exhaust port; 5. a movable baffle; 6. mounting holes; 7. mounting blocks; 8. a guide sleeve; 9. a guide bar; 10. an end plate; 11. a compression spring; 12. a cloth cylinder; 13. a connecting pipe; 14. a clamping sheet; 15. a limiting ring; 16. a nut; 17. a screw; 18. a support block; 19. a first spring piece; 20. a fixing ring; 21. a support ring; 22. a ratchet groove; 23. a ratchet; 24. a second spring piece; 25. connecting ropes; 26. and (4) a pull ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 4, the pressure relief device for the pressure of underground drilling in the embodiment includes a wall 1 and a drill rod 2 for drilling on the wall 1, a ring member 3 is detachably mounted on the wall 1 through a fastening member, a buffer space is provided at one side of the ring member 3 close to the wall 1, the drill rod 2 penetrates through the ring member 3, and a plurality of exhaust ports 4 are provided on the ring member 3, a movable baffle 5 for blocking the exhaust ports 4 is movably mounted on the ring member 3 through an elastic member, the ring member 3 with the buffer space is provided, and the movable baffle 5 is matched with the elastic sliding connection, so that when high-pressure gas is sprayed out along the drilling hole, particulate impurities mixed in the high-pressure gas can impact the inside of the ring member 3, and cannot cause injury to workers, the safety is high, the overall structure is simple, and the production and use costs are low, the practicability is strong; the fastening part comprises a mounting block 7 fixed on the annular part 3, a mounting hole 6 formed in the wall body 1 and an expansion bolt inserted in the mounting hole 6 and used for fixing the mounting block 7 on the wall body 1; elastic component is including supporting uide bushing 8 and the guide bar 9 that sets up and cup joint compression spring 11 on guide bar 9, uide bushing 8 is fixed on loop forming element 3, the one end and the 5 fixed connection of adjustable fender 5 of guide bar 9, the other end is fixed with end plate 10, compression spring 11's both ends are fixed respectively on uide bushing 8 and end plate 10, through setting up elastic component, utilize the cooperation of uide bushing 8 and guide bar 9, the elasticity that produces after recombining compression spring 11 pressurized, can realize the many times buffering power of releasing to high-pressure gas, also the loop forming element 3 carries out the first power of releasing, adjustable fender 5 cooperation compression spring 11's elasticity carries out the second power of releasing.
Specifically, the expansion bolt comprises a connecting pipe 13 penetrating through the mounting block 7, a plurality of clamping pieces 14 hinged to one end of the connecting pipe 13, a limiting ring 15 fixed to the other end of the connecting pipe 13, a screw 17 penetrating through the connecting pipe 13, a supporting block 18 fixed to one end of the screw 17 and a nut 16 sleeved at the other end of the screw 17 in a threaded manner, wherein the supporting block 18 is used for supporting the clamping pieces 14, so that the clamping pieces 14 are abutted to the inner surface of the mounting hole 6, and the clamping pieces 14 connected in a hinged manner are arranged, so that the clamping pieces 14 can be restored to the original positions after being expanded by the supporting block 18, rapid disassembly and recycling of the expansion bolt can be realized, and convenience is brought to actual use.
Further, a cloth tube 12 is sleeved on the outer side of the compression spring 11, two ends of the cloth tube 12 are respectively sleeved on the guide sleeve 8 and the end plate 10, and by arranging the cloth tube 12, particles such as dust can be prevented from entering between the guide sleeve 8 and the guide rod 9, so that abrasion of the guide sleeve 8 and the guide rod 9 is reduced.
Further, the outer surface mounting of connecting pipe 13 has a plurality of spring leaf 19 that equals with chucking piece 14 quantity, and the one end of spring leaf 19 contacts with chucking piece 14, through setting up spring leaf 19, can compress tightly the location to chucking piece 14 for when supporting shoe 18 is not between a plurality of chucking pieces 14, a plurality of chucking pieces 14 can draw in together, thereby made things convenient for grafting of connecting pipe 13, improved expansion bolts's installation effectiveness.
Furthermore, a fixing ring 20 is fixed on the limiting ring 15, a supporting ring 21 fixed with the nut 16 is sleeved on the screw rod 17, a plurality of ratchet grooves 22 are formed in the outer surface of the supporting ring 21, ratchets 23 matched with the ratchet grooves 22 are rotatably installed on the inner surface of the fixing ring 20 through pin shafts, spring pieces 24 for compressing the ratchets 23 are fixed on the inner surface of the fixing ring 20, and the nut 16 can only rotate towards the screwing direction and cannot rotate towards the loosening direction by arranging the fixing ring 20 and the supporting ring 21 and matching the ratchet grooves 22 and the ratchets 23, so that the phenomenon that the nut 16 is loosened is avoided, and the stability is high.
Furthermore, the ratchet 23 is fixedly connected with a connecting rope 25, one end of the connecting rope 25 penetrates through a thread passing hole formed in the fixing ring 20 and is fixed with a pull ring 26, and the connecting rope 25 and the pull ring 26 are arranged, so that the ratchet 23 can be conveniently pulled out from the inside of the ratchet groove 22, and the nut 16 can be conveniently loosened.
The novel using method comprises the following steps: during installation, a hole with a certain depth is formed in the wall body 1 by using the drill rod 2 to serve as a mark when the ring-shaped element 3 is installed, then an installation hole 6 for inserting an expansion bolt is formed in the periphery of the hole, after the installation, the installation block 7 is attached to the wall body 1, the ring-shaped element 3 is aligned with the hole formed in the drill rod 2, then the connecting pipe 13 is inserted into the installation hole 6, then the nut 16 is screwed, the screw rod 17 is gradually withdrawn from the installation hole 6, and the ring-shaped element 3 can be fixedly installed until the clamping piece 14 is tightly abutted against the inner surface of the installation hole 6 under the action of the supporting block 18; after that, once the drill rod 2 drills through a high-pressure gas layer such as a gas layer, the gas is firstly sprayed into the buffer space of the annular part 3 along the drill hole to perform first buffer pressure relief and then is discharged from the exhaust port 4, so that the movable baffle 5 is jacked up to complete second buffer pressure relief, and thus, the situation that particulate matters and the like mixed in the gas hurt workers can be avoided; by arranging the fixing ring 20 and the supporting ring 21, and matching with the ratchet groove 22 and the ratchet 23, the nut 16 can only rotate towards the tightening direction, but can not rotate towards the loosening direction, thereby avoiding the appearance of the loosening of the nut 16 and having high stability.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a pressure relief device of drilling pressure in pit, includes wall body (1) and is used for drilling rod (2) on wall body (1), its characterized in that: the wall body (1) is detachably provided with a ring-shaped piece (3) through a fastening part, one side, close to the wall body (1), of the ring-shaped piece (3) is provided with a buffering space, the drill rod (2) penetrates through the ring-shaped piece (3), the ring-shaped piece (3) is provided with a plurality of exhaust ports (4), and the ring-shaped piece (3) is movably provided with a movable baffle (5) for plugging the exhaust ports (4) through an elastic part; the fastening part comprises a mounting block (7) fixed on the annular piece (3), a mounting hole (6) formed in the wall body (1) and an expansion bolt inserted in the mounting hole (6) and used for fixing the mounting block (7) to the wall body (1); the elastic component comprises a guide sleeve (8) and a guide rod (9) which are arranged in a matched mode and a compression spring (11) sleeved on the guide rod (9), the guide sleeve (8) is fixed on the annular piece (3), one end of the guide rod (9) is fixedly connected with the movable baffle (5), the other end of the guide rod is fixed with an end plate (10), and two ends of the compression spring (11) are fixed on the guide sleeve (8) and the end plate (10) respectively.
2. The pressure relief device for mine borehole pressure according to claim 1, wherein: the expansion bolt comprises a connecting pipe (13) penetrating through the mounting block (7), a plurality of clamping pieces (14) hinged to one end of the connecting pipe (13), a limiting ring (15) fixed to the other end of the connecting pipe (13), a screw rod (17) penetrating through the connecting pipe (13), a supporting block (18) fixed to one end of the screw rod (17) and a nut (16) sleeved to the other end of the screw rod (17) in a threaded mode, wherein the supporting block (18) is used for supporting the clamping pieces (14) so that the clamping pieces (14) can be abutted to the inner surface of the mounting hole (6).
3. The pressure relief device for mine borehole pressure according to claim 1, wherein: the outer side of the compression spring (11) is sleeved with a cloth tube (12), and two ends of the cloth tube (12) are respectively sleeved on the guide sleeve (8) and the end plate (10).
4. The pressure relief device for mine borehole pressure according to claim 2, wherein: the outer surface of the connecting pipe (13) is provided with a plurality of first spring pieces (19) with the same number as the clamping pieces (14), and one ends of the first spring pieces (19) are in contact with the clamping pieces (14).
5. The pressure relief device for mine borehole pressure according to claim 2, wherein: the nut-type ratchet wrench is characterized in that a fixing ring (20) is fixed on the limiting ring (15), a supporting ring (21) fixed with a nut (16) is sleeved on the screw rod (17), a plurality of ratchet grooves (22) are formed in the outer surface of the supporting ring (21), ratchets (23) matched with the ratchet grooves (22) are rotatably installed on the inner surface of the fixing ring (20) through pin shafts, and spring pieces (24) for pressing the ratchets (23) are fixed on the inner surface of the fixing ring (20).
6. The pressure relief device for mine borehole pressure according to claim 5, wherein: the ratchet (23) is fixedly connected with a connecting rope (25), and one end of the connecting rope (25) penetrates through a thread passing hole formed in the fixing ring (20) and is fixed with a pull ring (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220297821.6U CN216741464U (en) | 2022-02-15 | 2022-02-15 | Pressure relief device for pressure of underground drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220297821.6U CN216741464U (en) | 2022-02-15 | 2022-02-15 | Pressure relief device for pressure of underground drilling |
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| Publication Number | Publication Date |
|---|---|
| CN216741464U true CN216741464U (en) | 2022-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220297821.6U Active CN216741464U (en) | 2022-02-15 | 2022-02-15 | Pressure relief device for pressure of underground drilling |
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| Country | Link |
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| CN (1) | CN216741464U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115419690A (en) * | 2022-09-16 | 2022-12-02 | 江苏众星摩托有限公司 | Motorcycle engine chain tensioner |
-
2022
- 2022-02-15 CN CN202220297821.6U patent/CN216741464U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115419690A (en) * | 2022-09-16 | 2022-12-02 | 江苏众星摩托有限公司 | Motorcycle engine chain tensioner |
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