CN207513593U - A kind of power of underground crawl device and backup system - Google Patents
A kind of power of underground crawl device and backup system Download PDFInfo
- Publication number
- CN207513593U CN207513593U CN201721404939.XU CN201721404939U CN207513593U CN 207513593 U CN207513593 U CN 207513593U CN 201721404939 U CN201721404939 U CN 201721404939U CN 207513593 U CN207513593 U CN 207513593U
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- driving
- pipe nipple
- arm
- hydraulic
- power
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Abstract
The utility model discloses a kind of power of underground crawl device and backup system, including circuit pipe nipple, hydraulic control pipe nipple and driving pipe nipple；Hydraulic control pipe nipple includes hydraulic pressure top connection, shell and hydraulic pressure lower contact, and plunger pump driving motor, plunger pump, accumulator and control valve group are set in shell；Pipe nipple is driven to include hydraulic cylinder shell, driving main body and motor housing；Setting driving top connection, switch valve, hydraulic cylinder, adjustment spring and push rod in hydraulic cylinder shell；Main body is driven to include backup arm, support arm and actuating arm；Setting retarder, driving motor and driving lower contact in motor housing.The utility model instrument power can combine, maximum three drivings pipe nipples, and gradable control has the characteristics that be widely used, reliability is high, maintenance is convenient, dragging creeping force is big to reach tapered string obstacle detouring purpose.
Description
Technical field
The utility model belongs to downhole logging instrument technical field, more specifically, being to be related to a kind of moving for underground crawl device
Power and backup system.
Background technology
In high-angle wells and horizontal wells tube or cased well well logging field, using logging cable operation and downhole electric crawl device
It is most simple and fast operating type to assist transport model, is accounted for than drilling rod or oil pipe mode of movement and coiled tubing mode of movement
Few with resource, easy to operate, close with traditional cable logging operation technique, continuity is good, and the logging data quality of acquisition is high.Closely
A little years, some domestic companies have introduced the electronic crawl device of Sondex companies 54mm horizontal wells, have also obtained in practical applications in succession
Many achievements, but there is also the problems such as of high cost, success rate is low, and thrust is insufficient.
Utility model content
The purpose of this utility model is to overcome deficiency of the prior art, provide a kind of underground crawl device power and
Backup system, circuit pipe nipple realize the order and data double-way transmission between underground and ground；Hydraulic control pipe nipple is short to drive
It saves hydraulic cylinder and driving hydraulic pressure is provided, arm is opened or received to operation actuating arm；The power motor of driving pipe nipple passes through three sets of machine drivings
Device drives six driving wheels on six actuating arms to walk along casing, so as to which instrument is transported to designated position.Instrument
Device power can combine, and maximum three drivings pipe nipple, gradable control has to reach tapered string obstacle detouring purpose using wide
It is general, reliability is high, maintenance is convenient, pull the big feature of creeping force.
The purpose of this utility model is achieved through the following technical solutions.
A kind of power of underground crawl device and backup system, including circuit pipe nipple, hydraulic control pipe nipple and driving pipe nipple, institute
Hydraulic control pipe nipple is stated to be installed between circuit pipe nipple and driving pipe nipple；
The hydraulic control pipe nipple includes sequentially connected hydraulic pressure top connection, shell and hydraulic pressure lower contact from left to right, institute
It states and is disposed with plunger pump driving motor, plunger pump, accumulator and control valve group in shell from left to right, the accumulator is set
Accumulator displacement sensor is equipped with, pressure sensor is provided in the control valve group；
The driving pipe nipple includes sequentially connected hydraulic cylinder shell, driving main body and motor housing from left to right；It is described
Driving top connection, switch valve, hydraulic cylinder, adjustment spring and push rod are disposed in hydraulic cylinder shell from left to right, it is described to push away
Resetting spring and backup arm displacement sensor are provided on bar；The driving main body includes sequentially connected backup from left to right
Arm, support arm and actuating arm, the actuating arm are provided with drive gear, and the backup arm is connect with push rod；The motor housing
Retarder, driving motor and driving lower contact, the retarder is inside disposed with from left to right to connect with actuating arm.
It is connected between the plunger pump driving motor and plunger pump by shaft coupling, between the accumulator and control valve group
It is connected by half-moon-shaped connection sheet.
The actuating arm is connected with drive gear by horizontal axis, is fixed with left-handed screw cap；The driving
Arm is attached with support arm with pin.
It is connected between the driving motor and retarder by shaft coupling.
The driving pipe nipple is set as three, and three driving pipe nipples are identical, each other orthogonal thereto arrangement mode.
Compared with prior art, advantageous effect caused by the technical solution of the utility model is：
(1) hydraulic control pipe nipple major function is under the control of circuit pipe nipple in the utility model, and control plunger pump drives
Dynamic motor rotation drives plunger pump to pressurize, and provides driving hydraulic pressure for driving pipe nipple hydraulic cylinder, operates three groups of driving pipe nipple
Arm is opened or received to actuating arm.
(2) it is crawl device thrust and the executive device of pulling force that pipe nipple is driven in the utility model, sufficiently large in order to obtain
Tractive force should generate sufficiently large frictional force between driving wheel and internal surface of sleeve pipe.
(3) pipe nipple is driven to be formed using three identical driving pipe nipples in the utility model, can be interchanged, with orthogonal arrangement
The mode of mode distributes uniform load.Often section driving pipe nipple on actuating arm can by ground control open arms, receive arm and
It can adjust, control per the size of joint arm opening and closing, not receive influence mutually.In the course of work, instrument power can combine, maximum
Three driving pipe nipples, it is gradable to control to reach tapered string obstacle detouring purpose.
(4) increase adjustment spring in the utility model between hydraulic cylinder piston and actuating arm, after hydraulic cylinder pushes actuating arm open,
Operational process middle sleeve deforms, and the adjustment of actuating arm is realized by adjusting spring, can be compensated using adjustment spring irregular
Influence of the hole diameter to sleeve movement ensures that the driving wheel on three pairs of actuating arms is adjacent to the borehole wall completely.
(5) the utility model crosses line deep hole by the both sides of pipe nipple inner frame and crosses line into walking through track and oil circuit, penetrates through
Line is connected to bottom fitting device, and bottom fitting device realizes that driving pipe nipple is connect, and ensured with by the circuit of conveying instrument
The high-pressure sealed property and insulating properties of line and external environment.
Description of the drawings
Fig. 1 is the power of the utility model underground crawl device and the structure diagram of backup system.
Fig. 2 is hydraulic control pipe nipple schematic diagram in the utility model.
Fig. 3 is driving pipe nipple schematic diagram in the utility model.
Reference numeral:1 circuit pipe nipple；2 hydraulic control pipe nipples；3 driving pipe nipples；201 plunger pump driving motors；202 plungers
Pump；203 shaft couplings；204 accumulator displacement sensors；205 accumulators；206 pressure sensors；207 control valve groups；208 hydraulic pressure
Lower contact；209 shells；210 hydraulic pressure top connections；301 driving motors；302 retarders；303 actuating arms；304 drive gears；305
Support arm；306 backup arms；307 push rods；308 backup arm displacement sensors；309 resetting springs；310 adjustment springs；311 hydraulic pressure
Cylinder；312 switch valves；313 driving top connections；314 driving lower contacts；315 motor housings；316 hydraulic cylinder shells.
Specific embodiment
The utility model will be further described below in conjunction with the accompanying drawings.
The power of the underground crawl device of the utility model and backup system, as shown in Figure 1, including circuit pipe nipple 1, hydraulic pressure control
Pipe nipple 2 processed and driving pipe nipple 3, the hydraulic control pipe nipple 2 are installed between circuit pipe nipple 1 and driving pipe nipple 3.Instrument power can
With combination, the driving pipe nipple 3 at most may be configured as three, and three driving pipe nipples 3 are identical, and be connected to each other orthogonal thereto arrangement
Mode can be interchanged, gradable to control to reach tapered string obstacle detouring purpose.
Circuit pipe nipple 1 realizes the order between underground and ground and data pair for the communication with crawl device control panel
To transmission, operation and control between each pipe nipple of crawl device are completed.2 major function of hydraulic control pipe nipple is the control in circuit pipe nipple 1
Under system, the driving motor rotation of control plunger pump drives plunger pump to pressurize, and provides driving hydraulic pressure for driving pipe nipple hydraulic cylinder, grasps
Arm is opened or received to three groups of actuating arms for making driving pipe nipple 3.Driving pipe nipple 3 is crawl device thrust and the executive device of pulling force, in order to
Sufficiently large tractive force is obtained, sufficiently large frictional force should be generated between drive gear and internal surface of sleeve pipe.Since friction coefficient is
It is fixed, it needs to improve the normal pressure between drive gear and tube wall.
As shown in Fig. 2, the hydraulic control pipe nipple 2 includes sequentially connected hydraulic pressure top connection 210, shell from left to right
209 and hydraulic pressure lower contact 208, be disposed with from left to right in the shell 9 plunger pump driving motor 201, plunger pump 202,
Accumulator 205 and control valve group 207.It is connected between the plunger pump driving motor 201 and plunger pump 202 by shaft coupling 203,
It is fastened with four SOC.HD. cap screws.Accumulator displacement sensor 204 is tightened to by screw thread on accumulator 205, is stored
It can be connected by half-moon-shaped connection sheet between device 205 and control valve group 207, be fixed with six sunk screws.Control valve group
It is fixed between 207 and lower contact 208 with four SOC.HD. cap screws, pressure sensor 206 is by being screwed at control valve
In group 207.Hydraulic pressure top connection 210 and hydraulic pressure lower contact 208 are connect, and play the role of pressure by screw thread with shell 209.
Plunger pump driving motor 201 drives plunger pump 202 to generate driving hydraulic pressure, carries out energy storage to accumulator 205, pressure passes
Sensor 206 monitors system hydraulic pressure, and accumulator displacement sensor 204 monitors 205 working condition of accumulator, passes through control valve group 207
Hydraulic circuit is controlled, carry out open arms or receives arm operation.When crawl device is walked, enough pressure, energy are provided by accumulator 205
It is enough to supplement pressure to actuating arm 303, make have enough frictional force between drive gear 304 and casing wall.During creeping
Instrument breaks down, and during circuit 1 accident power-off of pipe nipple, solenoid valve resets, and accumulator 205 releases energy, will push against arm 306 and receive
It returns, instrument is avoided to meet card and causes engineering accident.
As shown in figure 3, it is described driving pipe nipple 3 include from left to right sequentially connected hydraulic cylinder shell 316, driving main body and
Motor housing 315, hydraulic cylinder shell 316, motor housing 315 and driving main body are attached with screw thread.The hydraulic cylinder shell
Driving top connection 313, switch valve 312, hydraulic cylinder 311, adjustment spring 310 and push rod are disposed in 316 from left to right
307.It is connected between switch valve 312 and driving top connection 313 by thread seal, driving top connection 313 passes through half-moon-shaped company
Contact pin connects, and is fixed with six sunk screws.Resetting spring 309 is provided on the push rod 307 and backup arm displacement passes
Sensor 308, backup arm displacement sensor 308 are tightened to by screw thread on push rod 307, and adjustment spring 310 is left with push rod 307
End sticks together, and resetting spring 309 is sleeved on push rod 307.The driving main body includes sequentially connected backup from left to right
Arm 306, support arm 305 and actuating arm 303, the backup arm 306 are connected by screw with push rod 307, support arm 305 and driving
Arm 303 is attached with pin.The actuating arm 303 is provided with drive gear 304, and actuating arm 303 passes through with drive gear 304
Horizontal axis is connected, and is fixed with left-handed screw cap.It is disposed with retarder from left to right in the motor housing 315
302nd, driving motor 301 and driving lower contact 314, the retarder 302 are connected by screw with actuating arm 303, the driving
It is connected by shaft coupling between motor 301 and retarder 302, is fastened with four SOC.HD. cap screws；Drive lower contact 314 logical
Four small supporting rods are crossed to be fixed with eight sunk screws.Wherein, driving motor 301 uses brshless DC motor.
The driving hydraulic pressure of hydraulic control pipe nipple 2 pushes push rod 307 that actuating arm 303 is promoted to open to the right by hydraulic cylinder 311
Until drive gear 304 touches internal surface of sleeve pipe, then adjust spring 310 and start to be compressed and its elastic force is passed into driving
Arm 303 makes drive gear 304 keep rational pressure to the borehole wall, crawl device is made to adapt to a certain range of caliber change.
Driving motor 301 is coupled to drive by retarder 302 by power coupling to actuating arm 303, then by actuating arm 303
On moving gear 304, from driving motor 301 to drive gear 304, power torque is strengthened by multiple stage gear reduction, makes drive
Moving gear 304 has enough strength dragging crawl device, logging cable and loading movement.
Push rod 307 is kept and the sealing performance of external well liquid and pressure balance by both-end sealing.When push rod 307 to the right
During progress open arms of advancing, resetting spring 309 is compressed.When accident power-off occurs in instrument, solenoid valve powers off, at this time resetting spring
309 will drive push rod 307 that actuating arm 303 is made to return to original position, carry out protection act automatically.Actuating arm displacement sensor 308 is real-time
The position of hydraulic cylinder 311 is monitored, the position of hydraulic cylinder 311 determines the backup pressure of actuating arm 303.
Although the function and the course of work of the utility model are described above in conjunction with attached drawing, the utility model is simultaneously
Above-mentioned concrete function and the course of work are not limited to, above-mentioned specific embodiment is only schematical rather than limits
Property, those of ordinary skill in the art, will not departing from the utility model aims and right under the enlightenment of the utility model
It asks under protected ambit, many forms can also be made, these are belonged within the protection of the utility model.
Claims (5)
1. a kind of power of underground crawl device and backup system, short including circuit pipe nipple (1), hydraulic control pipe nipple (2) and driving
It saves (3), which is characterized in that the hydraulic control pipe nipple (2) is installed between circuit pipe nipple (1) and driving pipe nipple (3)；
The hydraulic control pipe nipple (2) includes sequentially connected hydraulic pressure top connection (210), shell (209) and hydraulic pressure from left to right
Lower contact (208), be disposed with from left to right in the shell (209) plunger pump driving motor (201), plunger pump (202),
Accumulator (205) and control valve group (207), the accumulator (205) are provided with accumulator displacement sensor (204), the control
Pressure sensor (206) is provided on valve group (207) processed；
The driving pipe nipple (3) includes sequentially connected hydraulic cylinder shell (316) from left to right, driving main body and motor housing
(315)；Driving top connection (313), switch valve (312), hydraulic pressure are disposed in the hydraulic cylinder shell (316) from left to right
Cylinder (311) adjusts spring (310) and push rod (307), and resetting spring (309) and backup arm position are provided on the push rod (307)
Displacement sensor (308)；The driving main body includes sequentially connected backup arm (306), support arm (305) and driving from left to right
Arm (303), the actuating arm (303) are provided with drive gear (304), and the backup arm (306) connect with push rod (307)；Institute
It states and is disposed with retarder (302), driving motor (301) and driving lower contact in motor housing (315) from left to right
(314), the retarder (302) connect with actuating arm (303).
2. the power of underground crawl device according to claim 1 and backup system, which is characterized in that the plunger pump driving
It is connected between motor (201) and plunger pump (202) by shaft coupling (203), the accumulator (205) and control valve group (207)
Between connected by half-moon-shaped connection sheet.
3. the power of underground crawl device according to claim 1 and backup system, which is characterized in that the actuating arm
(303) it is connected by horizontal axis with drive gear (304), is fixed with left-handed screw cap；The actuating arm (303) with
Support arm (305) is attached with pin.
4. the power of underground crawl device according to claim 1 and backup system, which is characterized in that the driving motor
(301) it is connect between retarder (302) by shaft coupling.
5. the power of underground crawl device according to claim 1 and backup system, which is characterized in that the driving pipe nipple
(3) three are set as, three driving pipe nipples are identical, each other orthogonal thereto arrangement mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721404939.XU CN207513593U (en) | 2017-10-28 | 2017-10-28 | A kind of power of underground crawl device and backup system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721404939.XU CN207513593U (en) | 2017-10-28 | 2017-10-28 | A kind of power of underground crawl device and backup system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207513593U true CN207513593U (en) | 2018-06-19 |
Family
ID=62535097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721404939.XU Expired - Fee Related CN207513593U (en) | 2017-10-28 | 2017-10-28 | A kind of power of underground crawl device and backup system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207513593U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110244349A (en) * | 2019-07-01 | 2019-09-17 | 中国铁建重工集团股份有限公司 | Wave detector in a kind of hole |
| CN110821479A (en) * | 2019-11-14 | 2020-02-21 | 西南石油大学 | Underground traction device for avoiding pressure difference to meet clamping in cable logging |
| CN111852440A (en) * | 2019-04-24 | 2020-10-30 | 中国石油天然气股份有限公司 | Crawling device |
| CN113653453A (en) * | 2021-08-18 | 2021-11-16 | 中石化石油工程技术服务有限公司 | Downhole reducing environment self-adaptive adjusting device of tractor and control method thereof |
| CN113863881A (en) * | 2021-10-25 | 2021-12-31 | 杭州瑞利声电技术有限公司 | Logging instrument pushing device capable of being automatically folded |
| CN114046395A (en) * | 2021-11-19 | 2022-02-15 | 北京环鼎科技有限责任公司 | Modularization crawler |
-
2017
- 2017-10-28 CN CN201721404939.XU patent/CN207513593U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111852440A (en) * | 2019-04-24 | 2020-10-30 | 中国石油天然气股份有限公司 | Crawling device |
| CN110244349A (en) * | 2019-07-01 | 2019-09-17 | 中国铁建重工集团股份有限公司 | Wave detector in a kind of hole |
| CN110244349B (en) * | 2019-07-01 | 2021-01-26 | 中国铁建重工集团股份有限公司 | In-hole detector |
| CN110821479A (en) * | 2019-11-14 | 2020-02-21 | 西南石油大学 | Underground traction device for avoiding pressure difference to meet clamping in cable logging |
| CN113653453A (en) * | 2021-08-18 | 2021-11-16 | 中石化石油工程技术服务有限公司 | Downhole reducing environment self-adaptive adjusting device of tractor and control method thereof |
| CN113863881A (en) * | 2021-10-25 | 2021-12-31 | 杭州瑞利声电技术有限公司 | Logging instrument pushing device capable of being automatically folded |
| CN114046395A (en) * | 2021-11-19 | 2022-02-15 | 北京环鼎科技有限责任公司 | Modularization crawler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee after: CNOOC ENERGY TECHNOLOGY & SERVICES Ltd. Patentee after: CHINA NATIONAL OFFSHORE OIL Corp. Address before: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee before: CNOOC ENERGY TECHNOLOGY & SERVICES Ltd. Patentee before: CHINA NATIONAL OFFSHORE OIL Corp. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180619 Termination date: 20211028 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |