CN216588510U - Hydraulic control hole cleaning structure for reverse circulation drilling machine - Google Patents
Hydraulic control hole cleaning structure for reverse circulation drilling machine Download PDFInfo
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- CN216588510U CN216588510U CN202122741965.4U CN202122741965U CN216588510U CN 216588510 U CN216588510 U CN 216588510U CN 202122741965 U CN202122741965 U CN 202122741965U CN 216588510 U CN216588510 U CN 216588510U
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Abstract
The utility model discloses a hydraulic control hole cleaning structure for a reverse circulation drilling machine, which comprises a hole cleaning oil cylinder, a hole cleaning connecting sleeve, a hydraulic control valve, a first high-pressure air ball valve and a second high-pressure air ball valve, wherein the hole cleaning connecting sleeve is arranged between a rotary joint and a slag discharge port of a drilling machine power head, the upper end of the hole cleaning oil cylinder is connected to the hole cleaning connecting sleeve through a bolt assembly, the lower end of the hole cleaning oil cylinder is connected with a high-pressure air pipeline through a first pipeline, the first high-pressure air ball valve is arranged on the first pipeline, the second high-pressure air ball valve is arranged on the high-pressure air pipeline connected with an air inlet of the drilling machine power head, and the hydraulic control valve is connected with the hole cleaning oil cylinder through a pipeline. The hole cleaning device is simple in structure, a high-pressure air connector does not need to be replaced when holes are cleaned, only the control valve needs to be operated, and the effects of timely cleaning holes according to needs, convenience and rapidness are achieved, the production efficiency is improved, and the labor intensity is reduced.
Description
Technical Field
The utility model relates to the technical field of geological exploration, in particular to a hydraulic control hole cleaning structure for a reverse circulation drilling machine.
Background
The existing reverse circulation well drilling machine is in the construction process, when the slag return effect of a system fails, the slag return channel of the drilling machine, namely the inner cavity of a drill rod, needs to be subjected to reverse slag removal treatment, so that the slag return channel is smooth, due to the existing structural limitation, the slag return pipe joint needs to be detached and replaced by a high-pressure air pipe joint, the inner cavity of the drill rod is cleaned by high-pressure air, because the construction is field operation, the environment is poor, the auxiliary hoisting machine is lack, the replacement of the joint once is often completed by multiple persons, the operation can be completed for a long time, the convenience is greatly reduced, the labor intensity and complexity of operators are greatly increased, the production efficiency is reduced, the time is shortened, the waste of manpower and material resources is reduced, and the construction cost is increased. Therefore, how to provide a drill hole cleaning structure which can rapidly remove slag without disassembly becomes a difficult problem which needs to be solved urgently by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a hydraulic control hole cleaning structure for a reverse circulation drilling machine, and solves the problems that a high-pressure air joint needs to be replaced when a hole is cleaned in a traditional connecting structure, and time and labor are wasted.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model relates to a hydraulic control hole cleaning structure for a reverse circulation drilling machine, which comprises a hole cleaning oil cylinder, a hole cleaning connecting sleeve, a hydraulic control valve, a first high-pressure air ball valve and a second high-pressure air ball valve, wherein the hole cleaning connecting sleeve is arranged between a rotary joint and a slag discharge port of a drilling machine power head, the upper end of the hole cleaning oil cylinder is connected to the hole cleaning connecting sleeve through a bolt assembly, the lower end of the hole cleaning oil cylinder is connected with a high-pressure air pipeline through a first pipeline, the first high-pressure air ball valve is arranged on the first pipeline, the second high-pressure air ball valve is arranged on the high-pressure air pipeline connected with an air inlet of the drilling machine power head, and the hydraulic control valve is connected with the hole cleaning oil cylinder through a pipeline.
Further, the hole cleaning oil cylinder comprises a piston rod, a piston ring, a connecting flange, a cylinder barrel, a control oil port and a guide ring, the cylinder barrel is sleeved on the periphery of the piston rod, the piston ring is arranged between the cylinder barrel and the piston rod, the connecting flange is sleeved on one end of the cylinder barrel, the control oil port is arranged on the side face of the cylinder barrel, the guide ring is clamped on the inner side of the piston ring, and the guide ring is sleeved on the periphery of the piston rod; the control oil port is connected with the hydraulic control valve through a pipeline, the connecting flange is connected with the hole cleaning connecting sleeve through a bolt assembly, one end of the piston rod is inserted into the hole cleaning connecting sleeve, and the other end of the piston rod is connected with the first high-pressure air ball valve.
Furthermore, a first dust ring and a hole seal are arranged between the piston ring and the piston rod, the first dust ring is arranged on the outer side of the hole seal, an O-shaped seal ring is arranged between the piston ring and the cylinder barrel, and a shaft seal is arranged between the piston rod and the cylinder barrel.
Further, a radial through hole is formed in the upper portion of the piston rod, an axial first blind hole is formed in the lower surface of the piston rod, and a second blind hole communicated with the first blind hole is formed in the side face of the piston rod; the middle part of the piston rod is provided with a shaft collar, the cylinder barrel is sleeved on the periphery of the shaft collar, the through hole and the second blind hole are arranged in the hole cleaning connecting sleeve, and the first blind hole is communicated with the first pipeline.
Furthermore, the piston ring and the cylinder barrel, the cylinder barrel and the connecting flange are in interference fit.
Further, clear hole adapter sleeve adopts the cross, clear inside cavity of hole adapter sleeve, the left side, the right side and the downside of clear hole adapter sleeve are provided with row cinder notch flange, rotary joint flange and hydro-cylinder flange respectively, arrange cinder notch flange pass through bolt assembly with arrange the cinder notch and connect, rotary joint flange pass through bolt assembly with rotary joint connects, hydro-cylinder flange pass through bolt assembly with the cylinder is connected.
Furthermore, a second dust retaining ring and two seals are sequentially arranged between the piston rod and the hole cleaning connecting sleeve from top to bottom, and the second dust retaining ring and the two seals are clamped in the hole cleaning connecting sleeve.
Compared with the prior art, the utility model has the beneficial technical effects that:
the utility model relates to a hydraulic control hole cleaning structure for a reverse circulation drilling machine, which comprises a hole cleaning oil cylinder, a hole cleaning connecting sleeve, a hydraulic control valve, a first high-pressure air ball valve and a second high-pressure air ball valve, wherein a piston rod with a specific shape is arranged, and then the rotation joint is communicated with high-pressure gas or a slag discharge port by controlling the piston rod to move up and down, so that the conversion between a hole requesting function and a normal slag discharge function is realized. The hole cleaning device is simple in structure, a high-pressure air connector does not need to be replaced when holes are cleaned, only the control valve needs to be operated, and the effects of timely cleaning holes according to needs, convenience and rapidness are achieved, the production efficiency is improved, and the labor intensity is reduced.
Drawings
The utility model is further illustrated in the following description with reference to the drawings.
FIG. 1 is a schematic view of the installation of a hydraulic control hole cleaning structure for a reverse circulation drilling machine according to the present invention;
FIG. 2 is a schematic view of a hole cleaning cylinder according to the present invention;
FIG. 3 is a schematic view of the hole cleaning connection sleeve of the present invention;
description of reference numerals: 1. cleaning the hole oil cylinder; 101. a piston rod; 102. a piston ring; 103. a connecting flange; 104. a cylinder barrel; 105. a control oil port; 106. a guide ring; 107. a first dust ring; 108. sealing the hole; 109. an O-shaped sealing ring; 2. cleaning a connecting sleeve; 201. the slag discharging port is connected with a flange; 202. the rotary joint is connected with a flange; 203. the oil cylinder is connected with a flange; 3. a hydraulic control valve; 4. a first high pressure air ball valve; 5. a second high pressure air ball valve; 6. a slag discharge port; 7. a rotary joint; 8. a first conduit; 9. a high pressure air conduit; 10. an air inlet.
Detailed Description
As shown in fig. 1, a clear hole structure of liquid accuse for reverse circulation drilling machine, including clear hole hydro-cylinder 1, clear hole adapter sleeve 2, hydraulic control valve 3, first highly-compressed air ball valve 4 and second highly-compressed air ball valve 5, clear hole adapter sleeve 2 sets up between rotary joint 7 and the row cinder notch 6 of rig unit head, the upper end of clear hole hydro-cylinder 1 is passed through bolt assembly and is connected clear hole adapter sleeve 2 is last, the lower extreme of clear hole hydro-cylinder 1 is connected with highly-compressed air pipeline 9 through first pipeline 8, first highly-compressed air ball valve 4 sets up on the first pipeline 8, second highly-compressed air ball valve 5 sets up on highly-compressed air pipeline 9 be connected with rig unit head air inlet 10, hydraulic control valve 3 pass through the pipeline with clear hole hydro-cylinder 1 is connected.
As shown in fig. 2, the hole cleaning oil cylinder 1 includes a piston rod 101, a piston ring 102, a connecting flange 103, a cylinder barrel 104, a control oil port 105 and a guide ring 106, wherein the cylinder barrel 104 is sleeved on the outer periphery of the piston rod 101, the piston ring 102 is arranged between the cylinder barrel 104 and the piston rod 101, the connecting flange 103 is sleeved on one end of the cylinder barrel 104, the control oil port 105 is arranged on the side surface of the cylinder barrel 104, the guide ring 106 is clamped inside the piston ring 102, and the guide ring 106 is sleeved on the outer periphery of the piston rod 101; the control oil port 105 is connected with the hydraulic control valve 3 through a pipeline, the connecting flange 103 is connected with the hole cleaning connecting sleeve 2 through a bolt assembly, one end of the piston rod 101 is inserted into the hole cleaning connecting sleeve 2, and the other end of the piston rod 101 is connected with the first high-pressure air ball valve 4. The hole cleaning oil cylinder 1 can be controlled by a hydraulic system or pneumatically.
A first dust ring 107 and a hole seal 108 are arranged between the piston ring 102 and the piston rod 101, the first dust ring 107 is arranged on the outer side of the hole seal 108, an O-ring 109 is arranged between the piston ring 102 and the cylinder 104, and a shaft seal is arranged between the piston rod 101 and the cylinder 104.
The upper part of the piston rod 101 is provided with a radial through hole, the lower surface of the piston rod 101 is provided with an axial first blind hole, and the side surface of the piston rod 101 is provided with a second blind hole communicated with the first blind hole; the middle part of the piston rod 101 is provided with a shaft collar, the cylinder barrel 104 is sleeved on the periphery of the shaft collar, the through hole and the second blind hole are arranged in the hole cleaning connecting sleeve 2, and the first blind hole is communicated with the first pipeline 8. The pressure on two sides of the shaft ring of the piston rod 101 is controlled through a hydraulic system, the piston rod is moved up and down, the through hole or the second blind hole is communicated with the rotary joint, and therefore the conversion between a normal working mode and a hole cleaning mode is achieved.
The piston ring 102 and the cylinder 104, and the cylinder 104 and the connecting flange 103 are in interference fit. Adopt interference fit, can reduce flange and bolt assembly's use.
As shown in fig. 3, clear hole adapter sleeve 2 adopts the cross, clear hole adapter sleeve 2 inside cavity, clear hole adapter sleeve 2's left side, right side and downside are provided with row cinder notch flange 201, rotary joint flange 202 and hydro-cylinder flange 203 respectively, row cinder notch flange 201 through bolt assembly with row cinder notch 6 is connected, rotary joint flange 202 through bolt assembly with rotary joint 7 is connected, hydro-cylinder flange 203 through bolt assembly with cylinder 104 is connected.
Piston rod 101 with from last to being equipped with second dirt ring and two sealings down in proper order between clear hole adapter sleeve 2, just second dirt ring and two sealed joint in clear hole adapter sleeve 2.
The action process of the utility model is as follows:
firstly, when the device works normally, the first high-pressure air ball valve 4 is closed, the second high-pressure air ball valve 5 is opened, the hole cleaning mechanism is in a state shown in the figure, when compressed air enters through the air inlet of the mandrel, the compressed air can enter the space inside the mandrel and outside the inner pipe, the inner end of the inner pipe is sealed, and the compressed air can only move towards the outer ends of the mandrel and the inner pipe and then gradually reaches the bottom of the hole; under the impact action of the impactor, rocks at the bottom of the hole can be crushed to form broken stones, the broken stones are pushed by the pressure of compressed air to be discharged outwards through the inner pipe of the mandrel, the hollow cavity of the main shaft, the hollow cavity of the rotary joint and the hole cleaning connecting sleeve 2 of the hole cleaning mechanism in sequence, and an operator can collect a sample from the slag discharge port 6; when the slag return effect of the system is invalid, only the second high-pressure air ball valve 5 needs to be closed, the first high-pressure air ball valve 4 is opened, the hydraulic control valve 3 is operated, the piston rod 101 moves upwards, the slag discharge port 6 is disconnected with the rotary joint 7 after the piston rod is in place, the axial air inlet is communicated with the hollow cavity of the rotary joint 7, and reverse hole cleaning operation can be carried out by opening high-pressure air; after the hole cleaning purpose is achieved, normal construction operation can be achieved by reversely operating and returning, holes can be cleaned in time according to needs through the mechanism, the mechanism is convenient and fast, and the effects of improving production efficiency and reducing labor intensity are achieved.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (7)
1. The utility model provides a clear pore structure of liquid accuse for reverse circulation drilling machine which characterized in that: including clear hole hydro-cylinder (1), clear hole adapter sleeve (2), hydraulic control valve (3), first highly-compressed air ball valve (4) and second highly-compressed air ball valve (5), clear hole adapter sleeve (2) set up between rotary joint (7) and row cinder notch (6) of rig power head, the upper end of clear hole hydro-cylinder (1) is passed through bolt assembly and is connected clear hole adapter sleeve (2) is last, the lower extreme of clear hole hydro-cylinder (1) is connected with highly-compressed air pipeline (9) through first pipeline (8), first highly-compressed air ball valve (4) set up on first pipeline (8), second highly-compressed air ball valve (5) set up on highly-compressed air pipeline (9) be connected with rig power head air inlet (10), hydraulic control valve (3) through the pipeline with clear hole hydro-cylinder (1) is connected.
2. The hydraulic control hole cleaning structure for the reverse circulation drilling machine according to claim 1, characterized in that: the hole cleaning oil cylinder (1) comprises a piston rod (101), a piston ring (102), a connecting flange (103), a cylinder barrel (104), a control oil port (105) and a guide ring (106), wherein the cylinder barrel (104) is sleeved on the periphery of the piston rod (101), the piston ring (102) is arranged between the cylinder barrel (104) and the piston rod (101), the connecting flange (103) is sleeved on one end of the cylinder barrel (104), the control oil port (105) is arranged on the side surface of the cylinder barrel (104), the guide ring (106) is clamped on the inner side of the piston ring (102), and the guide ring (106) is sleeved on the periphery of the piston rod (101); the control oil port (105) is connected with the hydraulic control valve (3) through a pipeline, the connecting flange (103) is connected with the hole cleaning connecting sleeve (2) through a bolt assembly, one end of the piston rod (101) is inserted into the hole cleaning connecting sleeve (2), and the other end of the piston rod (101) is connected with the first high-pressure air ball valve (4).
3. The hydraulic control hole cleaning structure for the reverse circulation drilling machine according to claim 2, characterized in that: the piston ring (102) with be provided with first dust ring (107) and hole between piston rod (101) and with sealed (108), just first dust ring (107) set up the outside of hole with sealed (108), piston ring (102) with be provided with O type sealing washer (109) between cylinder (104), piston rod (101) with be provided with the axle between cylinder (104) and with sealed.
4. The hydraulic control hole cleaning structure for the reverse circulation drilling machine according to claim 2, characterized in that: the upper part of the piston rod (101) is provided with a radial through hole, the lower surface of the piston rod (101) is provided with an axial first blind hole, and the side surface of the piston rod (101) is provided with a second blind hole communicated with the first blind hole; the middle part of piston rod (101) is equipped with the axle collar, cylinder (104) cup joints the periphery of axle collar, the through-hole with the second blind hole sets up in clear hole adapter sleeve (2), first blind hole with first pipeline (8) intercommunication.
5. The hydraulic control hole cleaning structure for the reverse circulation drilling machine according to claim 2, characterized in that: the piston ring (102) and the cylinder barrel (104), and the cylinder barrel (104) and the connecting flange (103) are in interference fit.
6. The hydraulic control hole cleaning structure for the reverse circulation drilling machine according to claim 2, characterized in that: clear hole adapter sleeve (2) adopt the cross, clear hole adapter sleeve (2) inside cavity, the left side, the right side and the downside of clear hole adapter sleeve (2) are provided with row cinder notch flange (201), rotary joint flange (202) and hydro-cylinder flange (203) respectively, arrange cinder notch flange (201) through bolt assembly with arrange cinder notch (6) and connect, rotary joint flange (202) through bolt assembly with rotary joint (7) are connected, hydro-cylinder flange (203) through bolt assembly with cylinder (104) are connected.
7. The hydraulic control hole cleaning structure for the reverse circulation drilling machine according to claim 6, characterized in that: piston rod (101) with be equipped with second dust ring and two sealings from last to down in proper order between clear hole adapter sleeve (2), just second dust ring and two sealed joint in clear hole adapter sleeve (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122741965.4U CN216588510U (en) | 2021-11-10 | 2021-11-10 | Hydraulic control hole cleaning structure for reverse circulation drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122741965.4U CN216588510U (en) | 2021-11-10 | 2021-11-10 | Hydraulic control hole cleaning structure for reverse circulation drilling machine |
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| Publication Number | Publication Date |
|---|---|
| CN216588510U true CN216588510U (en) | 2022-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122741965.4U Active CN216588510U (en) | 2021-11-10 | 2021-11-10 | Hydraulic control hole cleaning structure for reverse circulation drilling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216588510U (en) |
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2021
- 2021-11-10 CN CN202122741965.4U patent/CN216588510U/en active Active
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