CN203463045U - Control device of automatic derrick worker rotating mechanism - Google Patents
Control device of automatic derrick worker rotating mechanism Download PDFInfo
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- CN203463045U CN203463045U CN201320533831.6U CN201320533831U CN203463045U CN 203463045 U CN203463045 U CN 203463045U CN 201320533831 U CN201320533831 U CN 201320533831U CN 203463045 U CN203463045 U CN 203463045U
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- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 238000001514 detection method Methods 0.000 claims description 4
- 239000003638 chemical reducing agent Substances 0.000 abstract 3
- 238000005265 energy consumption Methods 0.000 abstract 1
- 230000033001 locomotion Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
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Abstract
The utility model discloses a control device of an automatic derrick worker rotating mechanism. The control device comprises a driving part and a control part, wherein the driving part comprises a speed reducer; one end of the speed reducer is connected with the rotating mechanism in a transmission way and the other end of the speed reducer is connected with a hydraulic motor through a braking mechanism in a transmission way; the hydraulic motor is provided with a rotating encoder for detecting an angle; the control part structurally comprises a motor; the motor is connected with a load sensitive variable pump in a transmission way; the load sensitive variable pump is communicated with a load sensitive multi-way valve; the load sensitive multi-way valve is communicated with a proportional throttle speed control valve; the proportional throttle speed control valve is communicated with the hydraulic motor; shuttle valves are connected in parallel to two pipelines between the proportional throttle speed control valve and the hydraulic motor; a pair of balance valves are arranged on the two pipelines; the hydraulic motor is connected with the braking mechanism in a transmission way; a speed adjusting valve is connected between the shuttle valves and the braking mechanism. By the device, the energy consumption is effectively reduced, and the control precision of a system is improved.
Description
Technical field
The utility model belongs to petroleum machinery technical field, relates to a kind of control device of automatic rigger's slew gear.
Background technology
Along with the fast development of the petrochemical industry as pillar industry and auto industry, the contradiction that oil and natural gas is under-supply, requires more harsh to the each side of oil drilling and extracting equipment.The automatic rigger's device of existing tubing string treatment system is owing to adopting traditional control technology, and the stationarity of slew gear under low-speed motion is poor and location is accurate not, and automation, intelligent level are low, can not adapt to the technical requirements at digging scene.
Utility model content
The purpose of this utility model is to provide a kind of control device of automatic rigger's slew gear, has solved in prior art the poor and accurate not problem in location of the stationarity of slew gear under low-speed motion.
The technical scheme that the utility model adopts is, a kind of control device of automatic rigger's slew gear, comprises running part and control section,
Running part comprises reductor, and reductor one end and slew gear are in transmission connection, and the reductor other end is connected with hydraulic motor transmission by braking mechanism, and hydraulic motor is provided with the rotary encoder that detection angles is used;
The structure of control section is, comprise motor, motor and load-sensitive variable pump are in transmission connection, load-sensitive variable pump is communicated with load-sensitive banked direction control valves, and load-sensitive banked direction control valves is communicated with ratio throttle grverning valve, and ratio throttle grverning valve is communicated with hydraulic motor, on two pipelines between ratio throttle grverning valve and hydraulic motor, be parallel with shuttle valve, on these two pipelines, be provided with a pair of equalizing valve, hydraulic motor and braking mechanism are in transmission connection, and between shuttle valve and braking mechanism, are connected with flow speed control valve.
The control device of automatic rigger's slew gear of the present utility model, its feature is also:
Motor, load-sensitive banked direction control valves, ratio throttle grverning valve and rotary encoder are all connected with PLC controller signals.
The beneficial effects of the utility model are to have adopted load-sensitive, electric proportional control technology; Effectively reduce the consumption of energy, improved the control accuracy of system, realized automation control, simplified complicated operation, guaranteed accurate location and the dependability of whole equipment simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of the running part in the utility model device;
Fig. 2 is the structural representation of the control section in the utility model device.
In figure, 1. motor, 2. load-sensitive variable pump, 3. load-sensitive banked direction control valves, 4. ratio throttle grverning valve, 5. shuttle valve, 6. equalizing valve, 7. hydraulic motor, 8. braking mechanism, 9. rotary encoder, 10. flow speed control valve, 11.PLC controller, 12. main rotary motors, 13. reductors, 14. slew gears.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
Structure of the present utility model is, comprises running part and control section,
As shown in Figure 1, running part comprises reductor 13, reductor 13 one end and slew gear 14 are in transmission connection, and reductor 13 other ends are by braking mechanism 8 and hydraulic motor 7(hydraulic actuator) be in transmission connection, hydraulic motor 7 is provided with the rotary encoder 9 that detection angles is used.
Hydraulic motor 7 is selected the motor of low-speed big.
As shown in Figure 2, the structure of control section is, comprise motor 1, motor 1 is in transmission connection with load-sensitive variable pump 2, load-sensitive variable pump 2 is communicated with load-sensitive banked direction control valves 3, load-sensitive banked direction control valves 3 is communicated with ratio throttle grverning valve 4, ratio throttle grverning valve 4 is communicated with hydraulic motor 7, on two pipelines between ratio throttle grverning valve 4 and hydraulic motor 7, be parallel with shuttle valve 5, on these two pipelines, be provided with a pair of equalizing valve 6, hydraulic motor 7 is in transmission connection with braking mechanism 8, between shuttle valve 5 and braking mechanism 8, is connected with flow speed control valve 10;
Above-mentioned shuttle valve 5, equalizing valve 6, hydraulic motor 7, braking mechanism 8, rotary encoder 9 have formed main rotary motor 12 together with flow speed control valve 10.
The operating principle of the utility model device is:
1) when normal operation, motor 1 starts, load-sensitive variable pump 2 for system provides a flow can be with the hydraulic power source of the changes in demand of hydraulic actuator, the electromagnet A of load-sensitive banked direction control valves 3 is charged, hydraulic oil from load-sensitive banked direction control valves 3 by high-precision ratio throttle grverning valve 4, shuttle valve 5 and equalizing valve 6, fluid enters the A chamber of hydraulic motor 7, open braking mechanism 8 simultaneously, hydraulic motor 7 turns clockwise and drives slew gear 14 to rotate, rotary encoder 9 feeds back to PLC controller 11 in time the angle signal of measuring, PLC controller 11 is by comparing the angle of measuring and the angle of programming, if be less than set angle hydraulic motor 7, continue rotation, be greater than set angle, the B of control overhead sensing multi-way valve 3 electromagnet end is charged, hydraulic motor 7 is rotated counterclockwise and drives slew gear 14 to rotate, until angle difference is in the error range allowing, 3 power-off of load-sensitive banked direction control valves, slew gear 14 stop motions.At the process Program rotating, according to the size of difference, high-precision ratio throttle grverning valve 4 is controlled simultaneously, the difference more opening of vast scale throttle grverning valve 4 is larger, more small scale throttle grverning valve 4 openings are less for difference, by changing flow, control the movement velocity of slew gear 14, thereby realize the accurate location that slew gear 14 turns clockwise;
Otherwise the electromagnet B end of load-sensitive banked direction control valves 3 is charged, hydraulic motor 7 rotarily drives slew gear 14 and rotates counterclockwise, and realizes the accurate location that slew gear 14 is rotated counterclockwise equally by programme-control.
2) when system causes dead electricity, mistake liquid due to accidental cause, the position-limit mechanism on braking mechanism 8 and equalizing valve 6 and mechanical mechanism etc. guarantees that slew gear stops.
Device of the present utility model, utilize motor 1 drive load-sensitive variable pump 2 for system provides a flow can be with the hydraulic power source of the changes in demand of hydraulic actuator; Control element adopts load-sensitive banked direction control valves 3 and 4 pairs of hydraulic actuator hydraulic motors of high accuracy ratio throttle grverning valve 7 to carry out accurately steadily controlling; Executing agency adopts hydraulic motor 7 to drive reductor, and reductor drives gyroaxis to realize the driving to slew gear; By 8 smooth start and stops of realizing slew gear that brake; Rotary encoder 9, for detection of the anglec of rotation of slew gear, realizes the accurate location of slew gear.
Claims (2)
1. a control device for automatic rigger's slew gear, its feature is: comprise running part and control section,
Running part comprises reductor (13), reductor (13) one end and slew gear (14) are in transmission connection, reductor (13) other end is in transmission connection by braking mechanism (8) and hydraulic motor (7), and hydraulic motor (7) is provided with the rotary encoder (9) that detection angles is used;
The structure of control section is, comprise motor (1), motor (1) is in transmission connection with load-sensitive variable pump (2), load-sensitive variable pump (2) is communicated with load-sensitive banked direction control valves (3), load-sensitive banked direction control valves (3) is communicated with ratio throttle grverning valve (4), ratio throttle grverning valve (4) is communicated with hydraulic motor (7), on two pipelines between ratio throttle grverning valve (4) and hydraulic motor (7), be parallel with shuttle valve (5), on these two pipelines, be provided with a pair of equalizing valve (6), hydraulic motor (7) is in transmission connection with braking mechanism (8), between shuttle valve (5) and braking mechanism (8), be connected with flow speed control valve (10).
2. the control device of automatic rigger's slew gear according to claim 1, its feature is: described motor (1), load-sensitive banked direction control valves (3), ratio throttle grverning valve (4) and rotary encoder (9) are all connected with PLC controller (11) signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320533831.6U CN203463045U (en) | 2013-08-29 | 2013-08-29 | Control device of automatic derrick worker rotating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320533831.6U CN203463045U (en) | 2013-08-29 | 2013-08-29 | Control device of automatic derrick worker rotating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203463045U true CN203463045U (en) | 2014-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320533831.6U Expired - Fee Related CN203463045U (en) | 2013-08-29 | 2013-08-29 | Control device of automatic derrick worker rotating mechanism |
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| Country | Link |
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| CN (1) | CN203463045U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104454696A (en) * | 2014-10-17 | 2015-03-25 | 燕山大学 | Hydraulic energy-saving control system of cable reeling and unreeling vehicle |
| CN105485077A (en) * | 2014-09-19 | 2016-04-13 | 鞍钢股份有限公司 | Hydraulic speed regulation loop system and method for axial plunger variable displacement motor |
| CN109262190A (en) * | 2018-11-29 | 2019-01-25 | 苏州哈工易科机器人有限公司 | Pneumatic modified gear |
| CN117484240A (en) * | 2024-01-02 | 2024-02-02 | 宁波中意液压马达有限公司 | Turret rotary indexing cycloid motor |
-
2013
- 2013-08-29 CN CN201320533831.6U patent/CN203463045U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485077A (en) * | 2014-09-19 | 2016-04-13 | 鞍钢股份有限公司 | Hydraulic speed regulation loop system and method for axial plunger variable displacement motor |
| CN104454696A (en) * | 2014-10-17 | 2015-03-25 | 燕山大学 | Hydraulic energy-saving control system of cable reeling and unreeling vehicle |
| CN109262190A (en) * | 2018-11-29 | 2019-01-25 | 苏州哈工易科机器人有限公司 | Pneumatic modified gear |
| CN117484240A (en) * | 2024-01-02 | 2024-02-02 | 宁波中意液压马达有限公司 | Turret rotary indexing cycloid motor |
| CN117484240B (en) * | 2024-01-02 | 2024-03-29 | 宁波中意液压马达有限公司 | Turret rotary indexing cycloid motor |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140305 |
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| CF01 | Termination of patent right due to non-payment of annual fee |