CN113153842A - Slip interlocking hydraulic system - Google Patents
Slip interlocking hydraulic system Download PDFInfo
- Publication number
- CN113153842A CN113153842A CN202110496664.1A CN202110496664A CN113153842A CN 113153842 A CN113153842 A CN 113153842A CN 202110496664 A CN202110496664 A CN 202110496664A CN 113153842 A CN113153842 A CN 113153842A
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- valve
- way
- oil cylinder
- driving oil
- normal
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- 239000003921 oil Substances 0.000 claims description 143
- 239000010720 hydraulic oil Substances 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/003—Systems with load-holding valves
Abstract
The invention discloses a slip interlocking hydraulic system which can realize self-locking of slips, improve the working stability and safety of equipment and simplify the operation control. The slip interlocking hydraulic system comprises a main oil supply pump, an execution control valve group, an interlocking valve group, a first driving oil cylinder, a second driving oil cylinder, a first driving oil cylinder, a pilot oil pump and a pilot control valve. By adopting the slip interlocking hydraulic system, the working stability and safety of the equipment can be effectively improved, meanwhile, the operation of workers can be facilitated, the operation is simplified, the requirements on constructors can be reduced, and the production cost can be effectively reduced.
Description
Technical Field
The invention relates to the technical field of petroleum drilling and repairing equipment, in particular to a slip interlocking hydraulic system.
Background
It is well known that: slips are tools used in the field of oil drilling to seize and suspend a drill string in a well. The existing slips can not realize self-locking generally, so that locking is realized by control in the working process, the operation requirement on constructors is higher, and when misoperation occurs, equipment is easily damaged, and even safety accidents are caused.
Therefore, in order to ensure the working stability of the equipment and reduce the risk, the self-locking system of the rotary disc slip is very necessary to be designed; the clamping of the slips to the middle drill string can be conveniently realized through the self-locking system; the working stability of the equipment is ensured, and the potential safety hazard is reduced.
Disclosure of Invention
The invention aims to solve the technical problem of providing a slip interlocking hydraulic system which can realize self-locking of slips, improve the working stability and safety of equipment and simplify the operation control.
The technical scheme adopted by the invention for solving the technical problems is as follows: the slip interlocking hydraulic system comprises a main oil supply pump, an execution control valve group, an interlocking valve group, a first driving oil cylinder, a second driving oil cylinder, a third driving oil cylinder, a fourth driving oil cylinder, a pilot oil pump and a pilot control valve;
the main oil supply pump provides hydraulic oil for the execution control valve system; the execution control valve system is communicated with the interlocking valve group; the pilot oil pump releases the pilot oil in the interlocking valve bank through a pilot control valve;
oil outlets of the first driving oil cylinder, the second driving oil cylinder, the third driving oil cylinder and the fourth driving oil cylinder are all communicated with the execution control valve group; oil inlets of the first driving oil cylinder, the second driving oil cylinder, the third driving oil cylinder and the fourth driving oil cylinder are all communicated with the interlocking valve bank; and the pilot oil pump is communicated with the interlocking valve group through a pilot control valve.
Specifically, the execution control valve system comprises four three-position four-way reversing valves, namely a three-position four-way reversing valve I, a three-position four-way reversing valve II, a three-position four-way reversing valve III and a three-position four-way reversing valve IV; and the four three-position four-way reversing valves correspond to the first driving oil cylinder, the second driving oil cylinder, the third driving oil cylinder and the fourth driving oil cylinder one by one.
Specifically, the interlocking valve group comprises a first hydraulic control one-way valve, a second hydraulic control one-way valve, a third hydraulic control one-way valve, a fourth hydraulic control one-way valve, a two-position two-way normal valve I, a two-position two-way normal valve II, a two-position two-way normal valve III, a two-position two-way normal valve IV, a two-position two-way normal valve I, a two-position two-way normal valve II, a two-position two-way normal valve III and a two-position two-way normal valve IV.
The two-position two-way normal valve I, the two-position two-way normal valve II and the two-position two-way normal valve I control the first driving oil cylinder of the No. 1 executing element and the second driving oil cylinder of the No. 2 executing element to be started and stopped simultaneously;
and the two-position two-way and two-way normal valve three, the two-position two-way normal valve four, the two-position two-way normally-closed valve three and the two-position two-way normally-closed valve four control the third driving oil cylinder of the No. 3 executing element and the fourth driving oil cylinder of the No. 4 executing element to be started and stopped simultaneously.
Preferably, the three-position four-way reversing valves are all three-position four-way valve manual reversing valves positioned by steel balls.
Furthermore, check valves are arranged at oil outlets and oil inlets of the first driving oil cylinder, the second driving oil cylinder, the third driving oil cylinder and the fourth driving oil cylinder.
The invention has the beneficial effects that: according to the slip interlocking hydraulic system, the oil supply of two slips is used for pushing the hydraulic valve piece, so that the oil return of the opposite slips is blocked, and the slip interlocking function is further realized. Thereby can effectual stability and the security of heightening equipment work, the staff's operation of being convenient for simultaneously simplifies the operation, can reduce the requirement to constructor, can effectual reduction in production cost.
Drawings
FIG. 1 is a schematic diagram of a slip interlock hydraulic system in accordance with an embodiment of the present invention;
FIG. 2 is a schematic diagram of an embodiment of an implement control valve assembly of the present invention;
FIG. 3 is a schematic diagram of an interlocking valve block in an embodiment of the present invention;
the following are marked in the figure: the system comprises a main oil supply pump 1, an execution control valve group 2, an interlocking valve group 3, a first driving oil cylinder 4, a second driving oil cylinder 5, a first driving oil cylinder 6, a first driving oil cylinder 7, a first driving oil cylinder 8, a pilot oil pump 9 and a pilot control valve.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
As shown in fig. 1 to 3, the slip interlocking hydraulic system according to the present invention includes a main oil supply pump 1, an execution control valve group 2, an interlocking valve group 3, a first driving cylinder 4, a second driving cylinder 5, a first driving cylinder 6, a first driving cylinder 7, a pilot oil pump 8, and a pilot control valve 9;
the main oil supply pump 1 supplies hydraulic oil for the execution control valve system 2; the execution control valve system 2 is communicated with an interlocking valve group 3; the pilot oil pump 8 releases the pilot oil in the interlocking valve block 3 through a pilot control valve member 9;
oil outlets of the first driving oil cylinder 4, the second driving oil cylinder 5, the third driving oil cylinder 6 and the fourth driving oil cylinder 7 are communicated with the execution control valve group 2; oil inlets of the first driving oil cylinder 4, the second driving oil cylinder 5, the third driving oil cylinder 6 and the fourth driving oil cylinder 7 are communicated with the interlocking valve group 3; the pilot oil pump 8 is communicated with the interlock valve group 3 through a pilot control valve member 9.
Specifically, the execution control valve system 2 comprises four three-position four-way reversing valves, namely a three-position four-way reversing valve I21, a three-position four-way reversing valve II 22, a three-position four-way reversing valve III 23 and a three-position four-way reversing valve IV 24; and the four three-position four-way reversing valves correspond to the first driving oil cylinder 4, the second driving oil cylinder 5, the third driving oil cylinder 6 and the fourth driving oil cylinder 7 one by one.
The interlock valve group 3 comprises a first pilot-controlled check valve 32, a second pilot-controlled check valve 35, a third pilot-controlled check valve 38, a fourth pilot-controlled check valve 41, a two-position two-way normal-way valve one 31, a two-position two-way normal-way valve two 33, a two-position two-way normal-way valve three 37, a two-position two-way normal-way valve four 39, a two-position two-way normal-way valve one 34, a two-position two-way normal-way valve two 36, a two-position two-way normal-way valve three 40 and; the two-position two-way normal valve I31, the two-position two-way normal valve II 33, the two-position two-way normal valve I34 and the two-position two-way normal valve II 36 control the first driving oil cylinder 4 of the No. 1 actuating element and the second driving oil cylinder 5 of the No. 2 actuating element to start and stop simultaneously;
the two-position two-way normal valve three 37, the two-position two-way normal valve four 39, the two-position two-way normal valve three 40 and the two-position two-way normal valve four 42 control the third driving oil cylinder 6 of the No. 3 actuating element and the fourth driving oil cylinder 7 of the No. 4 actuating element to start and stop simultaneously.
In the working process, the self-locking control valve is opened to a self-locking position, and pressure oil on one side of the control valve is communicated with the hydraulic oil tank through the two-position two-way normal-through valve I31, the two-position two-way normal-through valve II 33, the two-position two-way normal-through valve I34 and the two-position two-way normal-through valve II 36.
The two-position two-way normal valve one 31, the two-position two-way normal valve two 33, the two-position two-way normal valve one 34 and the two-position two-way normal valve two 36 control valve move towards the oil drainage direction under the pushing of the ACC pressure oil.
When the first driving oil cylinder 4 of the No. 1 executing element is in an opening state, the oil return of the opening of the second driving oil cylinder 5 of the No. 2 executing element is intercepted and can not be opened. When the first driving oil cylinder 4 of the No. 1 actuating element is in a closed state, the second driving oil cylinder 5 of the No. 2 actuating element is opened by closing pressure oil to return and open, and then the second driving oil cylinder 5 of the No. 2 actuating element can be opened. And vice versa.
And (3) opening the self-locking control valve to a self-locking position, and communicating pressure oil on one side of the control valve of a two-position two-way normal valve three 37, a two-position two-way normal valve four 39, a two-position two-way normal valve three 40 and a two-position two-way normal valve four 42 with the hydraulic oil tank. The control valves of the two-position two-way normal valve three 37, the two-position two-way normal valve four 39, the two-position two-way normally closed valve three 40 and the two-position two-way normally closed valve four 42 move in the oil drainage direction under the pushing of the ACC pressure oil. When the third driving oil cylinder 6 of the No. 3 actuating element is in an open state, the oil return of the opening of the fourth driving oil cylinder 7 of the No. 4 actuating element is intercepted and can not be opened. When the third drive cylinder 6 of the No. 3 actuator is in the closed state, the fourth drive cylinder 7 of the No. 4 actuator is opened by closing the pressure oil to return and open, and the fourth drive cylinder 7 of the No. 4 actuator can be opened. And vice versa.
The self-locking control valve is turned to an 'opening' position, pilot oil pushes the control valves of the two-position two-way normal-way valve I31, the two-position two-way normal-way valve II 33, the two-position two-way normal-way valve I34, the two-position two-way normal-way valve II 36, the two-position two-way normal-way valve III 37, the two-position two-way normal-way valve IV 39, the two-position two-way normal-way valve III 40 and the two-position two-way normal-way valve IV 42 to the opposite direction of oil supply, and turns on 'opening' return oil of the first driving oil cylinder 4, the second driving oil cylinder 5/the third driving oil cylinder 6 and the fourth driving oil cylinder 7, so that the first driving oil cylinder 4, the second driving oil cylinder 5/the third driving oil cylinder 6 and the fourth driving oil cylinder 7 can be turned on simultaneously.
During application, the pilot oil pressure in the interlock valve block 3 is relieved by the pilot control valve 9. At the moment, one three-position four-way reversing valve in the execution control valve group 2 is in an 'opening' position, and meanwhile, the execution control valve group 2 'opening' control pressure oil can push a two-position two-way valve in the interlocking valve group 3 to cut off a loop of a corresponding driving oil cylinder, so that the interlocking valve group can only be 'closed' and cannot be 'opened'; i.e. the two actuators fulfill an interlocking function.
In summary, the slip interlocking hydraulic system provided by the invention pushes the hydraulic valve member by using the oil supply of two slips, so as to block the oil return of the opposite slips, thereby realizing the slip interlocking function. Thereby can effectual stability and the security of heightening equipment work, the staff's operation of being convenient for simultaneously simplifies the operation, can reduce the requirement to constructor, can effectual reduction in production cost.
In order to facilitate the safety of control, furthermore, the three-position four-way reversing valves are all three-position four-way valve manual reversing valves reset by spring balls.
In order to avoid oil return, further, oil outlets and oil inlets of the first driving oil cylinder 4, the second driving oil cylinder 5, the third driving oil cylinder 6 and the fourth driving oil cylinder 7 are all provided with check valves.
Claims (5)
1. Slips interlocking hydraulic system, its characterized in that: the oil pump comprises a main oil supply pump (1), an execution control valve group (2), an interlocking valve group (3), a first driving oil cylinder (4), a second driving oil cylinder (5), a third driving oil cylinder (6), a fourth driving oil cylinder (7), a pilot oil pump (8) and a pilot control valve (9);
the main oil supply pump (1) provides hydraulic oil for the execution control valve system (2); the execution control valve system (2) is communicated with the interlocking valve group (3); the pilot oil pump (8) is used for relieving pilot oil in the interlocking valve bank (3) through a pilot control valve (9);
oil outlets of the first driving oil cylinder (4), the second driving oil cylinder (5), the third driving oil cylinder (6) and the fourth driving oil cylinder (7) are communicated with the execution control valve group (2); oil inlets of the first driving oil cylinder (4), the second driving oil cylinder (5), the third driving oil cylinder (6) and the fourth driving oil cylinder (7) are communicated with the interlocking valve bank (3); and the pilot oil pump (8) is communicated with the interlocking valve group (3) through a pilot control valve (9).
2. The slip interlock hydraulic system of claim 1, wherein: the execution control valve system (2) comprises four three-position four-way reversing valves, namely a three-position four-way reversing valve I (21), a three-position four-way reversing valve II (22), a three-position four-way reversing valve III (23) and a three-position four-way reversing valve IV (24); and the four three-position four-way reversing valves correspond to the first driving oil cylinder (4), the second driving oil cylinder (5), the third driving oil cylinder (6) and the fourth driving oil cylinder (7) one by one.
3. The slip interlock hydraulic system of claim 1, wherein: the interlocking valve group (3) comprises a first hydraulic control one-way valve (32), a second hydraulic control one-way valve (35), a third hydraulic control one-way valve (38), a fourth hydraulic control one-way valve (41), a first two-position two-way normal-way valve (31), a second two-position two-way normal-way valve (33), a third two-position two-way normal-way valve (37), a fourth two-position two-way normal-way valve (39), a first two-position two-way normal-way valve (34), a second two-position two-way normal-way valve (36), a third two-position two-way valve (40) and a fourth two-position two-way normal-way valve (42);
the two-position two-way normal valve I (31), the two-position two-way normal valve II (33), the two-position two-way normal valve I (34), and the two-position two-way normal valve II (36) control the first driving oil cylinder (4) of the No. 1 actuating element and the second driving oil cylinder (5) of the No. 2 actuating element to be started and stopped simultaneously;
and the two-position two-way normal valve three (37), the two-position two-way normal valve four (39), the two-position two-way normal valve three (40) and the two-position two-way normal valve four (42) control a third driving oil cylinder (6) of the No. 3 executing element and a fourth driving oil cylinder (7) of the No. 4 executing element to be started and stopped simultaneously.
4. The slip interlock hydraulic system of claim 2, wherein: the three-position four-way reversing valves are all three-position four-way valve manual reversing valves reset by spring balls.
5. The slip interlock hydraulic system of claim 2, wherein: and oil outlets and oil inlets of the first driving oil cylinder (4), the second driving oil cylinder (5), the third driving oil cylinder (6) and the fourth driving oil cylinder (7) are respectively provided with a check valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110496664.1A CN113153842B (en) | 2021-05-07 | 2021-05-07 | Slip interlocking hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110496664.1A CN113153842B (en) | 2021-05-07 | 2021-05-07 | Slip interlocking hydraulic system |
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| CN113153842A true CN113153842A (en) | 2021-07-23 |
| CN113153842B CN113153842B (en) | 2022-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110496664.1A Active CN113153842B (en) | 2021-05-07 | 2021-05-07 | Slip interlocking hydraulic system |
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| CN208330877U (en) * | 2018-05-28 | 2019-01-04 | 盐城市金巨石油机械制造有限公司 | A kind of hydraulic interlock valve block |
| CN208763606U (en) * | 2018-07-11 | 2019-04-19 | 山东科瑞机械制造有限公司 | A kind of hydraulic pressure pipe slips interlock system |
| CN110821423A (en) * | 2019-12-06 | 2020-02-21 | 塞纳博科石油技术服务有限公司 | Slip interlocking device, interlocking control method and interlocking system thereof |
| CN110963430A (en) * | 2019-12-27 | 2020-04-07 | 恒天九五重工有限公司 | Hydraulic control device and hydraulic control method for winch |
| CN213017021U (en) * | 2020-08-07 | 2021-04-20 | 江苏如石机械股份有限公司 | Hydraulic slip control valve group |
-
2021
- 2021-05-07 CN CN202110496664.1A patent/CN113153842B/en active Active
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| CN203271633U (en) * | 2013-05-22 | 2013-11-06 | 托普威尔石油技术股份公司 | Slips internally-locking system and pressure operation machine |
| CN203488467U (en) * | 2013-08-26 | 2014-03-19 | 徐州重型机械有限公司 | Hydraulic dual-pump converging control device and all-terrain crane |
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|---|---|
| CN113153842B (en) | 2022-05-13 |
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