CN105598103A - Hydraulic control braking device for pipe cleaner - Google Patents
Hydraulic control braking device for pipe cleaner Download PDFInfo
- Publication number
- CN105598103A CN105598103A CN201610015859.9A CN201610015859A CN105598103A CN 105598103 A CN105598103 A CN 105598103A CN 201610015859 A CN201610015859 A CN 201610015859A CN 105598103 A CN105598103 A CN 105598103A
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- Prior art keywords
- oil cylinder
- pedestal
- connecting rod
- cylindrical shell
- oil
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
- B08B9/049—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes having self-contained propelling means for moving the cleaning devices along the pipes, i.e. self-propelled
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention relates to a hydraulic control braking device for a pipe cleaner to overcome the defects of the bypass valve control mode. According to the technical scheme, a speed acquisition wheel is pressed onto the inner wall of a pipeline under hydraulic pressure and drives a hydraulic pump, high-pressure oil flows back to a fuel tank through a throttling valve, throttling pressure is transmitted to a centre oil cylinder, the oil cylinder pushes a drawing head, the drawing head enables a brake block to generate pressing force on the pipeline through a connecting rod mechanism, and the pressing force is in direct proportion to the operating speed of the pipe cleaner. The hydraulic control braking device for the pipe cleaner can be simply arranged on the back side of the pipe cleaner, can be provided with a detection device, and can be applied to various pipe cleaning tasks.
Description
Technical field
The present invention relates to a kind of wiper hydraulic control brake gear.
Background technology
Oil and gas pipes is carried out in pigging and testing process, the general laws and regulations requirement pigging equipment speed of service is 3.5～5m/s; PipeIn road, checkout equipment preferably detects the quality of data in order to obtain, and requires the speed of service of equipment lower than 5m/s; Electromagnetic acoustic detectsEquipment requires its speed of service lower than 2m/s. Wiper is passing through pipeline climb and fall section, bending section, hydrops, long-pending sand and foulingWhen section, velocity variations is larger, directly uses conventional wiper can not meet speed control requirement.
Existing oil and gas pipes wiper speed control method is ACTIVE CONTROL mode and Passive Control mode.
ACTIVE CONTROL adopts by-passing valve control mode, and its technical scheme is: take turns and gather wiper speed or use acceleration with mileageSensor obtains wiper speed; Electric-control system is to signal processing; Adjust the opening degree of eduction valve by motor; Pass through againPressure reduction before and after eduction valve regulation wiper, adjusts wiper motive force, thereby controls the wiper speed of service.
Passive Control mode is indirectly to control pigging by pressure medium and the flow of arrival end and the port of export in adjusting pigging operationDevice speed. Because the compressibility of gas, Passive Control mode is often difficult to reach better speed control effect, and wiper is easyCause and impact cause the problem such as wiper and pipe damage because speed is excessive.
Patent CN201410708220.X has announced a kind of wiper speed control with hydraulic system, patentCN201310496586.0 has announced a kind of mechanical tube cleaner speed control, and scheme is by wiper speed described in above-mentioned two patentsDegree is converted into the rotation of centroplasm gauge block by hydraulic system, mass rotates the centrifugal force producing brake block is produced to extruding force.This scheme mass and connecting rod rotate, and are adapted to gas pipeline, and for fluid pipeline, mass rotary resistance is larger, and speed is anti-Feedback can be a greater impact.
Patent CN201520301095.0 has announced a kind of wiper speed control, changes scheme hydraulic control brake weight is acted on to controlOn the scroll wheel of device rear end, when accumulator Preliminary pressure-filled is too high or pipeline in have in the situation such as wax deposition or wiper excessive velocities,Controller trailing wheel meeting locking, the distortion of trailing wheel eccentric wear.
Current ACTIVE CONTROL mode control electrical consumption electric energy, the accumulator electric-quantity that wiper carries is limited, therefore long distance pipeRoad pigging is restricted. On the other hand, the by-passing valve control program of automatically controlled mode is because consider that in pipe, medium, pipe shape etc. are allMultifactor and become complicated. In the time that pipe ultrasonic ripple detects, generally adopt one section of fluid column of two closed type wipers packing, ultrasonicRipple checkout equipment is immersed in liquid and utilizes liquid as couplant. Under this kind of operating mode, wiper front and back end medium can not communicate,So by-passing valve control mode is used and is restricted. In pipeline discharge opeing operation, utilize gas to promote wiper from rear end and transport forwardOK, wiper pushes away liquid to scan out pipeline. In this kind of operation, wiper front and back end medium can not be communicated with equally, otherwise liquidCan go back to wiper rear end by earial drainage. State's internal bypass valve ACTIVE CONTROL mode wiper is still immature, and abroad such wiper is rented priceCostliness, current domestic oil and gas pipes pigging is still in Passive Control mode as main.
Therefore, the significant and prospect of the application of the wider wiper active controller of development applicable working condition.
Summary of the invention
Object of the present invention: in order to overcome lacking of wiper by-passing valve earial drainage speed control method and existing brake control valve schemePoint, spy provides a kind of wiper hydraulic control brake gear.
For achieving the above object, the technical scheme that the present invention takes is:
A kind of wiper hydraulic control brake gear, comprises brake block, connecting rod A, connecting rod B, connecting ring, end cap, oil cylinder A, cylinderBody, piston, piston rod, Compress Spring, cylinder cap, drawing head, speed acquisition wheel, hydraulic pump, support, plunger, oil cylinder B,Pedestal, fuel tank, accumulator, check valve, choke valve, is characterized in that:
Pedestal entirety is truncated cone-shaped, and pedestal outer face arranges connecting ring and connects with bolt; It is rectangle that pedestal radially arranges cross sectionGroove, support is installed in the groove in the middle of pedestal, support can be in the groove in the middle of pedestal radially sliding along pedestal; On supportStationary hydraulic pump, hydraulic pump power shaft installation rate collection wheel, support lower end arranges plunger, and plunger is installed in oil cylinder B, oilCylinder B is fixed in pedestal radial slot;
Fuel tank is installed to pedestal center with bolt, cylindrical shell one end install end cap and with bolt connect, the cylindrical shell other end install baseSeat also connects with bolt, near base position, accumulator is installed in cylindrical shell; End cap outer side center position arranges connecting ring and uses boltConnect, oil cylinder A is arranged in cylindrical shell, and oil cylinder A end is installed to end cap center by bolt; In oil cylinder A, work is setPlug and piston rod, cylinder cap is installed in oil cylinder A outer end, and oil cylinder A arranges drain tap near cylinder cap position, and piston rod is from cylinder cap center circleStretch out in hole, and piston rod external part is installed drawing head; Between piston and cylinder cap, Compress Spring is set;
Brake block articulated linkage A and connecting rod B, the connecting rod A other end is hinged to the side of drawing head, and the other end of connecting rod B is hingedTo end cap side; Drum shaft is to chute is set, and connecting rod A stretches in cylindrical shell through chute;
Hydraulic pump inlet port is connected to fuel tank, and hydraulic pump oil-out is connected to choke valve by check valve, and choke valve oil-out connectsTo fuel tank; Oil cylinder A is connected to choke valve entrance, and oil cylinder B is connected to choke valve entrance by check valve, oil cylinder B entry positionBe communicated with accumulator.
The beneficial effect that the present invention has is: (1) wiper hydraulic control of the present invention brake gear only need to be arranged on after wiperSide, can be applicable to multiclass pigging operation; (2) wiper hydraulic control brake gear of the present invention is without electric elements, safe and reliable,Do not need by accumulators store energy, can be for long apart from pipeline cleaning; (3) wiper hydraulic control brake gear of the present inventionMajor diameter is smaller, easily by bend pipe position.
Brief description of the drawings
Fig. 1 is structure diagram of the present invention.
Fig. 2 is the schematic diagram of hydraulic system of the present invention.
In figure: 1. brake block; 2. connecting rod A; 3. connecting rod B; 4. connecting ring; 5. end cap; 6. oil cylinder A; 7. cylindrical shell; 8. piston;9. piston rod; 10. Compress Spring; 11. cylinder caps; 12. drawing heads; 13. speed acquisition wheels; 14. hydraulic pumps; 15. supports; 16. plungers;17. oil cylinder B; 18. pedestals; 19. fuel tanks; 20. accumulators; 21. check valves; 22. choke valves.
Detailed description of the invention
The present invention is not subject to the restriction of following embodiment, can determine concrete according to technical scheme of the present invention and actual conditionsEmbodiment. Below in conjunction with Fig. 1, Fig. 2, the present invention is done to following description. The position relationship of upper and lower, left and right etc. is foundationThe layout direction of Figure of description 1 is determined.
As shown in Figure 1, pedestal 18 entirety are truncated cone-shaped, and pedestal 18 outer faces arrange connecting ring 4 and with bolt connection, connectRing 4 is for connecting other wipers or pipe detection equipment. Pedestal 18 radially arranges the groove that cross section is rectangle, and support 15 is pacifiedInstall in the groove in the middle of pedestal 18, support 15 can the groove in the middle of pedestal 18 in radially sliding along pedestal 18. SupportStationary hydraulic pump 14 on 15, hydraulic pump 14 power shaft installation rate collection wheels 13, support 15 lower ends arrange plunger 16, plunger16 are installed in oil cylinder B17, and oil cylinder B17 is fixed in pedestal 18 radial slots.
As shown in Figure 1, fuel tank 19 use bolts are installed to pedestal 18 centers. Cylindrical shell 7 one end are installed end cap 5 and use boltConnect, cylindrical shell 7 other end mounting bases 18 and with bolt connect, cylindrical shell 7 interior near pedestal 18 positions install accumulators 20.End cap 5 outer side center positions arrange connecting ring 4 and connect with bolt, and connecting ring 4 is for connecting the inspection of other wipers or pipelineMeasurement equipment. Oil cylinder A6 is arranged in cylindrical shell 7, and oil cylinder A6 end is installed to end cap 5 centers by bolt. Oil cylinder A6Piston 8 and piston rod 9 are inside set, and cylinder cap 11 is installed in oil cylinder A6 outer end, and piston rod 9 stretches out from cylinder cap 11 center holes, livesStopper rod 9 external parts are installed drawing head 12. Between piston 8 and cylinder cap 11, Compress Spring 10 is set, Compress Spring 10 allows piston rod9 not retracting in oil cylinder A6 under working condition, makes brake block 1 regain not extrusion pipe.
As shown in Figure 1, brake block 1 articulated linkage A2 and connecting rod B3, the connecting rod A2 other end is hinged to the side of drawing head 12,The other end of connecting rod B3 is hinged to end cap 5 sides. Cylindrical shell 7 axially arranges chute, and connecting rod A2 stretches in cylindrical shell 7 through chute.Connecting rod A2 can slide under the dragging of drawing head 12 in cylindrical shell 7 axial slides.
As shown in Figure 2, hydraulic pump 14 inlet ports are connected to fuel tank 19, and hydraulic pump 14 oil-outs are connected to by check valve 21Choke valve 22, choke valve 22 oil-outs are connected to fuel tank 19. Oil cylinder A6 is connected to choke valve 22 entrances, and oil cylinder B17 passes throughCheck valve 21 is connected to choke valve 22 entrances, and oil cylinder B17 entry position is communicated with accumulator 20. In the time that hydraulic pump 14 is not workedWait, the pressure of accumulator 20 can promote the plunger 16 of oil cylinder B17, makes speed acquisition wheel 13 be pressed on inner-walls of duct.
Operation principle of the present invention is:
This wiper brake gear is along with wiper together moves. Support 15 is taken turns speed acquisition by oil cylinder B17 thrust13 are pressed on inner-walls of duct. Speed acquisition wheel 13 rotates and drives hydraulic pump 14 to work, and the hydraulic oil that hydraulic pump 14 is exported passes throughChoke valve 22 flows back to fuel tank 19, and choke valve 22 forefront pressures are incorporated into oil cylinder A6, and the piston 8 in oil cylinder A6 promotes piston rodThereby 9 drive drawing head 12 to stretch, and drawing head 12, by connecting rod A2 and connecting rod B3 effect, makes brake block 1 be pressed on pipeRoad inwall produces brake weight.
In the time that wiper speed raises, hydraulic fluid flow rate increases, and the choke pressure that choke valve 22 produces increases, thereby passes through oil cylinderThe motive force that A6, piston 8, piston rod 9 are delivered to drawing head 12 increases, and therefore the thrust of brake block 1 increases, generationResistance increment, Speed Reduction; In the time that wiper speed reduces, brake block 1 thrust reduces, and the resistance of generation reduces, piggingDevice speed is gone up. Like this, the undulating value of the speed of service of wiper can reduce, and wiper moves more steady in pipeline.
Claims (1)
1. a wiper hydraulic control brake gear, comprise brake block, connecting rod A, connecting rod B, connecting ring, end cap, oil cylinder A,Cylindrical shell, piston, piston rod, Compress Spring, cylinder cap, drawing head, speed acquisition wheel, hydraulic pump, support, plunger, oil cylinderB, pedestal, fuel tank, accumulator, check valve, choke valve, is characterized in that:
Pedestal entirety is truncated cone-shaped, and pedestal outer face arranges connecting ring and connects with bolt; It is rectangle that pedestal radially arranges cross sectionGroove, support is installed in the groove in the middle of pedestal, support can be in the groove in the middle of pedestal radially sliding along pedestal; On supportStationary hydraulic pump, hydraulic pump power shaft installation rate collection wheel, support lower end arranges plunger, and plunger is installed in oil cylinder B, oilCylinder B is fixed in pedestal radial slot;
Fuel tank is installed to pedestal center with bolt, cylindrical shell one end install end cap and with bolt connect, the cylindrical shell other end install baseSeat also connects with bolt, near base position, accumulator is installed in cylindrical shell; End cap outer side center position arranges connecting ring and uses boltConnect, oil cylinder A is arranged in cylindrical shell, and oil cylinder A end is installed to end cap center by bolt; In oil cylinder A, work is setPlug and piston rod, cylinder cap is installed in oil cylinder A outer end, and oil cylinder A arranges drain tap near cylinder cap position, and piston rod is from cylinder cap center circleStretch out in hole, and piston rod external part is installed drawing head; Between piston and cylinder cap, Compress Spring is set;
Brake block articulated linkage A and connecting rod B, the connecting rod A other end is hinged to the side of drawing head, and the other end of connecting rod B is hingedTo end cap side; Drum shaft is to chute is set, and connecting rod A stretches in cylindrical shell through chute;
Hydraulic pump inlet port is connected to fuel tank, and hydraulic pump oil-out is connected to choke valve by check valve, and choke valve oil-out connectsTo fuel tank; Oil cylinder A is connected to choke valve entrance, and oil cylinder B is connected to choke valve entrance by check valve, oil cylinder B entry positionBe communicated with accumulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610015859.9A CN105598103B (en) | 2016-01-12 | 2016-01-12 | A kind of wiper hydraulic control brake gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610015859.9A CN105598103B (en) | 2016-01-12 | 2016-01-12 | A kind of wiper hydraulic control brake gear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105598103A true CN105598103A (en) | 2016-05-25 |
| CN105598103B CN105598103B (en) | 2017-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610015859.9A Expired - Fee Related CN105598103B (en) | 2016-01-12 | 2016-01-12 | A kind of wiper hydraulic control brake gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105598103B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106391604A (en) * | 2016-11-19 | 2017-02-15 | 西南石油大学 | Hydraulic control bypass valve type speed governing pipe cleaning device |
| CN106424032A (en) * | 2016-11-19 | 2017-02-22 | 西南石油大学 | Pipe cleaning device with automatic brake device |
| CN108903972A (en) * | 2018-06-20 | 2018-11-30 | 东莞市联洲知识产权运营管理有限公司 | A kind of unilateral supplementary device of medical ultrasonic probe |
| CN110711750A (en) * | 2019-10-30 | 2020-01-21 | 汕头市澄海区骏意设计有限公司 | Pipeline cleaning robot, control method and storage medium |
| CN112113064A (en) * | 2020-09-26 | 2020-12-22 | 宜宾学院 | Series oil cylinder type acceleration controller |
| CN112157079A (en) * | 2020-09-26 | 2021-01-01 | 宜宾学院 | Pipe cleaner roller type impact suppressor |
| CN112207096A (en) * | 2020-09-26 | 2021-01-12 | 宜宾学院 | Pipe cleaner speed impact suppression mechanism |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100139019A1 (en) * | 2007-04-27 | 2010-06-10 | Christian Geppert | Cleaning Apparatus for Large Diameter Pipe |
| CN103721986A (en) * | 2014-01-02 | 2014-04-16 | 西南石油大学 | Pipe cleaner speed controller with brake pads |
| CN103977994A (en) * | 2014-05-23 | 2014-08-13 | 西南石油大学 | Automatic speed adjusting pipe cleaner |
| US20150240985A1 (en) * | 2014-02-24 | 2015-08-27 | Saudi Arabian Oil Company | Variable speed pipeline pig with internal flow cavity |
| CN204620573U (en) * | 2015-05-12 | 2015-09-09 | 西南石油大学 | A kind of wiper speed control |
-
2016
- 2016-01-12 CN CN201610015859.9A patent/CN105598103B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100139019A1 (en) * | 2007-04-27 | 2010-06-10 | Christian Geppert | Cleaning Apparatus for Large Diameter Pipe |
| CN103721986A (en) * | 2014-01-02 | 2014-04-16 | 西南石油大学 | Pipe cleaner speed controller with brake pads |
| US20150240985A1 (en) * | 2014-02-24 | 2015-08-27 | Saudi Arabian Oil Company | Variable speed pipeline pig with internal flow cavity |
| CN103977994A (en) * | 2014-05-23 | 2014-08-13 | 西南石油大学 | Automatic speed adjusting pipe cleaner |
| CN204620573U (en) * | 2015-05-12 | 2015-09-09 | 西南石油大学 | A kind of wiper speed control |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106391604A (en) * | 2016-11-19 | 2017-02-15 | 西南石油大学 | Hydraulic control bypass valve type speed governing pipe cleaning device |
| CN106424032A (en) * | 2016-11-19 | 2017-02-22 | 西南石油大学 | Pipe cleaning device with automatic brake device |
| CN106424032B (en) * | 2016-11-19 | 2018-08-14 | 西南石油大学 | A kind of wiper with dead-man's device |
| CN108903972A (en) * | 2018-06-20 | 2018-11-30 | 东莞市联洲知识产权运营管理有限公司 | A kind of unilateral supplementary device of medical ultrasonic probe |
| CN108903972B (en) * | 2018-06-20 | 2020-12-08 | 青岛大学附属医院 | Unilateral supplementary device for medical ultrasonic probe |
| CN110711750A (en) * | 2019-10-30 | 2020-01-21 | 汕头市澄海区骏意设计有限公司 | Pipeline cleaning robot, control method and storage medium |
| CN110711750B (en) * | 2019-10-30 | 2023-10-13 | 汕头市澄海区骏意玩具设计有限公司 | Pipeline cleaning robot, control method and storage medium |
| CN112113064A (en) * | 2020-09-26 | 2020-12-22 | 宜宾学院 | Series oil cylinder type acceleration controller |
| CN112157079A (en) * | 2020-09-26 | 2021-01-01 | 宜宾学院 | Pipe cleaner roller type impact suppressor |
| CN112207096A (en) * | 2020-09-26 | 2021-01-12 | 宜宾学院 | Pipe cleaner speed impact suppression mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105598103B (en) | 2017-06-30 |
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