CN211145188U - Operation control and counter-torque release device with hydraulic brake turntable - Google Patents
Operation control and counter-torque release device with hydraulic brake turntable Download PDFInfo
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- CN211145188U CN211145188U CN201921990309.4U CN201921990309U CN211145188U CN 211145188 U CN211145188 U CN 211145188U CN 201921990309 U CN201921990309 U CN 201921990309U CN 211145188 U CN211145188 U CN 211145188U
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Abstract
The utility model provides an operation control and counter torque release device with a hydraulic brake turntable, which comprises an oil supply device, a hydraulic motor and a brake driven by a single-acting oil cylinder with a rear spring and used for braking the hydraulic motor; the output end of the oil supply device is connected with two oil ports of the hydraulic motor through an H-shaped three-position four-way reversing valve, and an oil return port of the H-shaped three-position four-way reversing valve is connected with a back pressure valve; the output end of the oil supply device is connected with an oil port of the single-acting oil cylinder through a brake reversing valve, a pressure gauge is arranged between the output end of the oil supply device and the brake reversing valve, and the output end of the oil supply device is further connected with an overflow valve. To sum up, the utility model discloses during the use, can with one set of hydraulic system of well drilling, well workover equipment sharing, do not additionally form a complete set dedicated hydraulic pressure station and control system, small does not receive the restriction of well site environment and safe construction, the range of application is wide, reduces equipment input cost, has improved work efficiency.
Description
Technical Field
The utility model belongs to the technical field of oil drilling workover equipment technique and specifically relates to a take operation control and counter torque release of hydraulic brake carousel.
Background
In the process of petroleum drilling and well repairing construction, the hydraulic motor drives the rotary table and the drilling tool to rotate, and the drilling tool can generate elastic deformation due to formation resistance in the underground to cause counter torque. The equipment can be damaged by rapid reversion due to overlarge reaction torque, and serious safety accidents can be caused.
In the prior art, a turntable is usually provided with a brake and then is matched with a special hydraulic station and a control system to realize forward and reverse rotation reversing, braking and releasing of reactive torque of the turntable so as to solve the problem of reactive torque. However, the above-mentioned solution has the following drawbacks: 1. the matched hydraulic station takes an engine or a motor as a power source, has larger overall dimension, is easily limited by well site environment and has a narrow application range; 2. mechanical equipment which runs at a high speed is added, certain potential safety hazards exist in a crowded well site environment, and safety construction is not facilitated; 3. additionally, a hydraulic station and a control system are additionally arranged, the equipment investment cost is improved, and good economy is not achieved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the weak point of above-mentioned conventional art, provide an operation control and reaction moment release of taking hydraulic brake carousel, the device just can realize the positive reverse turning of carousel, braking and release reaction moment of torsion with one set of hydraulic system of workover rig or drilling equipment sharing, does not additionally form a complete set dedicated hydraulic pressure station and control system.
The purpose of the utility model is achieved through the following technical measures:
an operation control and counter-torque release device with a hydraulic brake turntable comprises an oil supply device, a hydraulic motor and a brake driven by a single-acting oil cylinder with a rear spring and used for braking the hydraulic motor; the output end of the oil supply device is connected with two oil ports of the hydraulic motor through an H-shaped three-position four-way reversing valve, and an oil return port of the H-shaped three-position four-way reversing valve is connected with a back pressure valve; the output end of the oil supply device is connected with an oil port of the single-acting oil cylinder through a brake reversing valve, a pressure gauge is arranged between the output end of the oil supply device and the brake reversing valve, and the output end of the oil supply device is further connected with an overflow valve. Since the technical scheme is used, the utility model discloses when using, if the drilling tool has counter torque, then operate the brake switching-over valve brake earlier, it is concrete, operate brake switching-over valve intercommunication oil tank and single-action hydro-cylinder promptly, make power oil flow out from the front chamber of single-action cylinder, spring drive motor stopper brake hydraulic motor makes hydraulic motor stall. And then immediately operating the H-shaped three-position four-way reversing valve to return to the middle position, so that the hydraulic motor loses power.
Slow pressurization release counter-torque method: the brake reversing valve is operated to be arranged at a brake position, the H-shaped three-position four-way reversing valve is operated to be arranged at a middle position, the pressure gauge is observed, if the pressure is displayed to be zero, the brake reversing valve can be directly operated to be at a brake releasing position, if the pressure is displayed to be zero, the back pressure valve or the overflow valve needs to be adjusted to enable the pressure to be zero, and then the brake reversing valve is operated to be at the brake releasing position. And then slowly rotating an adjusting handle of the back pressure valve clockwise to slowly increase the pressure of the single-action oil cylinder, observing the pressure and the rotary table or the drilling tool, stopping adjusting the back pressure valve when the rotary table or the drilling tool rotates too fast or generates micro motion due to counter torque, and releasing the counter torque in a reciprocating manner until the pressure gauge displays more than 3 MPa, wherein the rotary table or the drilling tool does not rotate due to the counter torque.
The inching release counter moment method comprises the following steps: the brake reversing valve is operated and arranged at a brake position, the H-shaped three-position four-way reversing valve is arranged at a middle position, a pressure gauge is observed, if the pressure is displayed below 3 MPa, the valve is firstly pressed clockwise to enable the pressure to be above 3 MPa, and if the pressure is displayed above 3 MPa, inching can be directly adopted. Specifically, the brake reversing valve is operated to brake immediately after the brake reversing valve is operated to release the brake, the rotation condition of the kelly bar is observed, and the kelly bar is released repeatedly.
The output end of the oil supply device is connected with a pressure oil port of the H-shaped three-position four-way reversing valve, one oil port of the hydraulic motor is connected with one working oil port of the H-shaped three-position four-way reversing valve, and the other oil port of the hydraulic motor is connected with the other working oil port of the H-shaped three-position four-way reversing valve. When the hydraulic motor needs to rotate forwards, the H-shaped three-position four-way reversing valve is operated, so that a pressure oil port of the H-shaped three-position four-way reversing valve is communicated with one working oil port, and an oil return port of the H-shaped three-position four-way reversing valve is communicated with the other working oil port; when the hydraulic motor needs to rotate reversely, the H-shaped three-position four-way reversing valve is operated, and the communication relation of the two working oil ports is changed.
The output end of the oil supply device is connected with the pressure oil port of the brake reversing valve, and the oil port of the single-action oil cylinder is connected with the working oil port of the brake reversing valve. When the brake needs to be released, the brake reversing valve is operated, the pressure oil port of the brake reversing valve is communicated with the working oil port, and the power oil enters the front cavity of the single-action oil cylinder to drive the brake to be far away from the hydraulic motor; when the brake is needed, the brake reversing valve is operated to enable an oil return port of the brake reversing valve to be communicated with a working oil port, power oil flows out from a front cavity of the single-acting oil cylinder, and the spring drives the motor brake to brake the hydraulic motor.
And a positive and negative rotation reversing valve handle is arranged on the H-shaped three-position four-way reversing valve, and a brake reversing valve handle is arranged on the brake reversing valve. The structure is simple, and the operation and the use are convenient.
The H-shaped three-position four-way reversing valve, the brake reversing valve, the overflow valve and the pressure gauge are arranged on the upper portion of the oil way valve seat, and the back pressure valve is arranged on the side portion of the oil way valve seat. The valve and the pressure gauge are installed in a centralized mode, the structure is simple, and the operation and the use are convenient.
The brake reversing valve comprises an O-shaped three-position four-way reversing valve or an O-shaped three-position three-way reversing valve or a two-position three-way reversing valve which seals a working oil port.
To sum up, the utility model discloses during the use, can with one set of hydraulic system of well drilling, well workover equipment sharing, do not additionally form a complete set dedicated hydraulic pressure station and control system, small does not receive the restriction of well site environment and safe construction, the range of application is wide, reduces equipment input cost, has improved work efficiency.
Drawings
The invention will be further explained with reference to the drawings and the detailed description below:
fig. 1 is a hydraulic principle schematic diagram of an operation control and counter-torque release device with a hydraulic brake turntable in embodiment 1 of the present invention;
FIG. 2 is a schematic view of the structure of part A of FIG. 1;
FIG. 3 is a schematic structural view of an oil circuit valve seat in the operation control and counter-torque release device with a hydraulic brake turntable of the present invention;
FIG. 4 is a side view schematic of the structure of FIG. 3;
fig. 5 is a hydraulic schematic diagram of an operation control and counter-torque release device with a hydraulic brake turntable according to embodiment 2 of the present invention;
fig. 6 is a hydraulic schematic diagram of an operation control and counter-torque release device with a hydraulic brake turntable according to embodiment 3 of the present invention;
in the figure: 1-an oil pump; 2-an overflow valve; 3-a pressure gauge; 4-a brake reversing valve; 5-single-acting oil cylinder; 6-a spring; 7-motor brake; 8-a hydraulic motor; 9-H type three-position four-way reversing valve; 10-back pressure valve; 11-oil way valve seat; 12-a handle of a reversing valve capable of rotating forward and backward; 13-brake reversing valve handle; 14-a fuel tank; 15-a piston; 16-a mandril; 17-pressure regulating oil circuit; 18-drive return line; 19-motor drive tubing; 20-braking oil return pipe; 21-oil cylinder driving oil pipe; 22-driving oil inlet pipe; 23-brake oil inlet pipe.
Detailed Description
Example 1: referring to fig. 1, an operation control and counter torque release device with a hydraulic brake turntable comprises an oil supply device equipped with a workover rig or a drilling rig, a hydraulic motor 8 and a motor brake 7 for braking the hydraulic motor 8, wherein the hydraulic motor 8 is in the prior art and is not described in detail herein.
The oil supply device comprises an oil tank 14 and an oil pump 1, wherein the input end of the oil pump 1 is connected with the oil tank 14, and the oil tank 14 and the oil pump 1 both adopt the prior art and are not described in detail herein.
Two motor oil ports are formed in the hydraulic motor 8, the output end of the oil pump 1 is connected with the two oil ports of the hydraulic motor 8 through the H-shaped three-position four-way reversing valve 9, the oil return port of the H-shaped three-position four-way reversing valve 9 is connected with the back pressure valve 10, the H-shaped three-position four-way reversing valve 9 and the back pressure valve 10 both adopt the prior art, and the description is omitted here.
Specifically, a driving oil inlet pipe 22 is connected between the output end of the oil pump 1 and a pressure oil port of the H-shaped three-position four-way reversing valve 9, a motor driving oil pipe 19 is connected between one oil port of the hydraulic motor 8 and one working oil port of the H-shaped three-position four-way reversing valve 9, and another motor driving oil pipe 19 is connected between the other oil port of the hydraulic motor 8 and the other working oil port of the H-shaped three-position four-way reversing valve 9.
An oil return port of the H-shaped three-position four-way reversing valve 9 is connected with a driving oil return pipe 18, the driving oil return pipe 18 is connected with an oil tank 14, and the backpressure valve 10 is installed on the driving oil return pipe 18.
As shown in fig. 2, the motor brake 7 is driven by the single-acting cylinder 5, and when the motor brake 7 works, the output shaft of the hydraulic motor 8 is pressed tightly to realize braking.
The single-acting oil cylinder 5 comprises a cylinder body, a piston 15 is arranged in the cylinder body, a push rod 16 is arranged on the piston 15, and the motor brake 7 is connected with the push rod 16. A compression spring 6 is arranged in the rear cavity of the single-acting oil cylinder 5, and the front cavity of the single-acting oil cylinder 5 is connected with an oil cylinder oil port. In this embodiment, the motor brake 7 is a fuel cut brake, and the brake is completely released when the power oil pressure reaches 3 mpa or more.
The output end of the oil pump 1 is connected with the oil port of the single-action oil cylinder 5 through a brake reversing valve 4 which can control the power oil to enter and exit the single-action oil cylinder 5, and a pressure gauge 3 is arranged between the output end of the oil supply device and the brake reversing valve 4. The brake reversing valve 4 comprises an O-shaped three-position four-way reversing valve which seals a working oil port, and the O-shaped three-position four-way reversing valve and the pressure gauge 3 both adopt the prior art and are not described again.
Specifically, a brake oil inlet pipe 23 is connected between the output end of the oil pump 1 and a pressure oil port of the brake reversing valve 4, the pressure gauge 3 is installed on the brake oil inlet pipe 23, an oil cylinder driving oil pipe 21 is connected between an oil port of the single-action oil cylinder 5 and a working oil port of the brake reversing valve 4, an oil return port of the brake reversing valve 4 is connected with a brake oil return pipe 20, and the brake oil return pipe 20 is connected with the oil tank 14.
The output end of the oil pump 1 is also connected with an overflow valve 2, and the overflow valve 2 adopts the prior art and is not described herein again.
Specifically, the output end of the oil pump 1 is connected with a pressure regulating oil path 17, the pressure regulating oil path 17 is connected with the oil tank 14, and the overflow valve 2 is installed on the pressure regulating oil path 17.
As shown in fig. 3 and 4, an H-shaped three-position four-way directional valve 9, a brake directional valve 4, an overflow valve 2 and a pressure gauge 3 are mounted on the upper portion of an oil path valve seat 11, and a back pressure valve 10 is mounted on the side portion of the oil path valve seat 11 close to the operator.
The H-shaped three-position four-way reversing valve 9 is provided with a forward and reverse reversing valve handle 12, and the forward and reverse reversing valve handle 12 is positioned on one side of the H-shaped three-position four-way reversing valve 9 close to an operator. And a brake reversing valve handle 13 is arranged on the brake reversing valve 4, and the brake reversing valve handle 13 is positioned on one side of the brake reversing valve 4 close to an operator.
Example 2: as shown in fig. 5, the brake directional control valve 4 includes an O-shaped three-position three-way directional control valve, and the O-shaped three-position three-way directional control valve and the pressure gauge 3 are all in the prior art and will not be described herein again.
The remaining features of this example are the same as those of example 1.
Example 3: as shown in fig. 6, the brake directional control valve 4 includes a two-position three-way directional control valve, and the two-position three-way directional control valve and the pressure gauge 3 are all in the prior art and will not be described herein.
The remaining features of this example are the same as those of example 1.
The utility model discloses when normal use, the brake is loosened to operation brake switching-over valve 4, and is concrete, operates brake switching-over valve 4 intercommunication oil pump 1 and single-action hydro-cylinder 5 promptly, makes the power oil get into the antechamber of single-action hydro-cylinder 5, and hydraulic motor 8 is kept away from to driving motor stopper 7. At this time, the hydraulic motor 8 can perform forward or reverse rotation operation by operating the H-type three-position four-way selector valve 9. If the drilling tool has no counter torque, the H-shaped three-position four-way reversing valve 9 can be directly operated to return to the middle position when the drilling tool stops, and the rotary table stops rotating.
If the drilling tool has counter torque, the brake reversing valve 4 is operated to brake, specifically, the brake reversing valve 4 is operated to communicate the oil tank 14 and the single-acting oil cylinder 5, so that the power oil flows out from the front cavity of the single-acting oil cylinder 5, the spring 6 drives the motor brake 7 to brake the hydraulic motor 8, and the hydraulic motor 8 stops running. And then immediately operating the H-shaped three-position four-way reversing valve 9 to return to the middle position, so that the hydraulic motor 8 loses power.
Methods of releasing the counter moment include slow pressurization releasing the counter moment and inching releasing the counter moment.
Slow pressurization release counter-torque method: the brake reversing valve 4 is operated to be arranged at a brake position, the H-shaped three-position four-way reversing valve 9 is operated to be arranged at a middle position, the pressure gauge 3 is observed, the brake reversing valve 4 can be directly operated to release the brake if the pressure is displayed to be zero, the back pressure valve 10 or the overflow valve 2 needs to be adjusted to enable the pressure to be zero if the pressure is displayed, and then the brake reversing valve 4 is operated to release the brake. Then the adjusting handle of the back pressure valve 10 is slowly rotated clockwise to slowly increase the pressure of the single-acting oil cylinder 5, at the moment, the pressure and the rotary table or the drilling tool are observed, the adjusting handle of the back pressure valve 10 is stopped rotating when the rotary table or the drilling tool rotates too fast or generates micro motion due to counter torque, the counter torque is released in a reciprocating mode until the pressure gauge 3 displays more than 3 MPa, and the rotary table or the drilling tool does not rotate due to the counter torque any more.
The inching release counter moment method comprises the following steps: operating the H-shaped three-position four-way reversing valve 9 to be arranged at a middle position, operating the brake reversing valve 4 to be arranged at a brake position, observing the pressure gauge 3, if the pressure is displayed below 3 MPa, firstly carrying out clockwise back pressure on the valve to enable the pressure to be 10 to be more than 3 MPa, and if the pressure is displayed above 3 MPa, directly adopting inching. Specifically, after the brake reversing valve 4 is operated and the brake is released, the brake reversing valve 4 is operated immediately to brake, the rotation condition of the kelly bar is observed, and the kelly bar is released repeatedly.
After the counter torque is released, the adjusting handle of the back pressure valve 10 is rotated anticlockwise and is completely loosened, and the overflow valve 2 is adjusted to the initial position, so that the turntable can be used again.
To sum up, the present invention is not limited to the above-mentioned specific embodiments. And is not limited to use with a turntable, and may be used with other devices having hydraulic brake motors. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, and all such changes and modifications are intended to be within the scope of the present invention.
Claims (6)
1. The utility model provides an operation control and counter torque release device of band hydraulic brake carousel which characterized in that: comprises an oil supply device, a hydraulic motor (8) and a motor brake (7) which is driven by a single-acting oil cylinder (5) arranged behind a spring (6) and is used for braking the hydraulic motor (8); the output end of the oil supply device is connected with two oil ports of the hydraulic motor (8) through an H-shaped three-position four-way reversing valve (9), and an oil return port of the H-shaped three-position four-way reversing valve (9) is connected with a back pressure valve (10); the output end of the oil supply device is connected with an oil port of the single-action oil cylinder (5) through a brake reversing valve (4) capable of controlling power oil to enter and exit the single-action oil cylinder (5), a pressure gauge (3) is arranged between the output end of the oil supply device and the brake reversing valve (4), and the output end of the oil supply device is further connected with an overflow valve (2).
2. The operation control and counter torque release device with hydraulic brake rotor as claimed in claim 1, characterized in that: the output end of the oil supply device is connected with a pressure oil port of the H-shaped three-position four-way reversing valve (9), one oil port of the hydraulic motor (8) is connected with one working oil port of the H-shaped three-position four-way reversing valve (9), and the other oil port of the hydraulic motor (8) is connected with the other working oil port of the H-shaped three-position four-way reversing valve (9).
3. The operation control and counter torque release device with hydraulic brake rotor as claimed in claim 1, characterized in that: the output end of the oil supply device is connected with a pressure oil port of the brake reversing valve (4), and an oil port of the single-action oil cylinder (5) is connected with a working oil port of the brake reversing valve (4).
4. The operation control and counter torque release device with hydraulic brake rotor as claimed in claim 1, characterized in that: and a forward and reverse rotation reversing valve handle (12) is arranged on the H-shaped three-position four-way reversing valve (9), and a brake reversing valve handle (13) is arranged on the brake reversing valve (4).
5. Operation control and counter-torque release device with hydraulic brake rotor according to one of claims 1 to 4, characterized in that: the brake system is characterized by further comprising an oil way valve seat (11), the H-shaped three-position four-way reversing valve (9), the brake reversing valve (4), the overflow valve (2) and the pressure gauge (3) are installed on the upper portion of the oil way valve seat (11), and the back pressure valve (10) is installed on the side portion of the oil way valve seat (11).
6. Operation control and counter-torque release device with hydraulic brake rotor according to one of claims 1 to 4, characterized in that: the brake reversing valve (4) comprises an O-shaped three-position four-way reversing valve or an O-shaped three-position three-way reversing valve or a two-position three-way reversing valve which seals a working oil port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921990309.4U CN211145188U (en) | 2019-11-18 | 2019-11-18 | Operation control and counter-torque release device with hydraulic brake turntable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921990309.4U CN211145188U (en) | 2019-11-18 | 2019-11-18 | Operation control and counter-torque release device with hydraulic brake turntable |
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| Publication Number | Publication Date |
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| CN211145188U true CN211145188U (en) | 2020-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921990309.4U Active CN211145188U (en) | 2019-11-18 | 2019-11-18 | Operation control and counter-torque release device with hydraulic brake turntable |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112373452A (en) * | 2020-11-24 | 2021-02-19 | 湖北塞弗精工科技有限公司 | Hydraulic braking device |
| CN113738794A (en) * | 2021-08-16 | 2021-12-03 | 武汉船用机械有限责任公司 | Rotation limiting device and using method thereof |
-
2019
- 2019-11-18 CN CN201921990309.4U patent/CN211145188U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112373452A (en) * | 2020-11-24 | 2021-02-19 | 湖北塞弗精工科技有限公司 | Hydraulic braking device |
| CN113738794A (en) * | 2021-08-16 | 2021-12-03 | 武汉船用机械有限责任公司 | Rotation limiting device and using method thereof |
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