CN209483331U - A kind of antiwear Electrical imaging instrument backup arm - Google Patents
A kind of antiwear Electrical imaging instrument backup arm Download PDFInfo
- Publication number
- CN209483331U CN209483331U CN201821942814.7U CN201821942814U CN209483331U CN 209483331 U CN209483331 U CN 209483331U CN 201821942814 U CN201821942814 U CN 201821942814U CN 209483331 U CN209483331 U CN 209483331U
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- China
- Prior art keywords
- pin shaft
- antiwear
- imaging instrument
- backup arm
- idler wheel
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Abstract
A kind of antiwear Electrical imaging instrument backup arm disclosed by the utility model, belongs to oil well logging instrument technical field.Including main force rod, pin shaft, idler wheel and connector；Main force rod is connect by pin shaft with connector, and idler wheel is set on pin shaft.At work, measuring pad is connected on connector, antiwear Electrical imaging instrument backup arm is mounted as a whole on measuring device telescoping ram, the vibration that equipment entirety can be effectively reduced when in use, reduces the abrasion of measuring pad, main force rod and connector, reduces the replacement of measuring pad, main force rod and connector, substantially increase the service life of instrument, one-stop operation success rate is improved, reduces the maintenance and maintenance load at scene, has saved cost.
Description
Technical field
The utility model belongs to oil well logging instrument technical field, and in particular to a kind of antiwear Electrical imaging instrument backup
Arm.
Background technique
In petroleum well logging technology, is popped one's head in due to Electrical imaging instrument requirements and paste borehole wall measurement, be easy to cause instrument backup arm
It is easy to wear with wall friction in use process.Current Electrical imaging instrument in use, measuring pad, backup arm and connection
It is easy to wear, lead to measuring pad surface wear, to influence log acquisition quality, and backup arm serious wear, can make
It falls off at measuring pad, leads to down-hole accident, bring very big workload using with apparatus guarantee to scene.
Utility model content
In order to overcome the problems of the above-mentioned prior art, the purpose of this utility model is to provide a kind of antiwear electricity
Image-forming instrument backup arm, the use of the anti-wear backup arm efficiently solve Electrical imaging instrument backup arm problem easy to wear, mention
High instrument service life, avoids the down-hole accident for causing measuring pad to fall off because of backup arm serious wear, has greatly saved life
Produce cost.
The utility model is to be achieved through the following technical solutions:
The utility model discloses a kind of antiwear Electrical imaging instrument backup arms, including main force rod, pin shaft, idler wheel and company
Connector；Main force rod is connect by pin shaft with connector, and idler wheel is set on pin shaft.
Preferably, pin shaft one end is countersunk head form, and the other end is threaded, matches with the screw thread in connector upper pin hole
Close fastening.
It is further preferred that being equipped with spring washer on pin shaft.
Preferably, pin shaft one end is countersunk head form, and the pin shaft other end is provided with aperture, is inserted with latching on aperture.
Preferably, axle sleeve is installed on pin shaft, idler wheel is equipped with wheel case.
It is further preferred that axle sleeve is copper hollow bushing, it is interference fitted with pin shaft.
It is further preferred that wheel case is copper hollow bushing, it is interference fitted with idler wheel.
Preferably, idler wheel is equipped with the bearing cooperated with pin shaft.
It is further preferred that bearing is anti-friction bearing.
Preferably, idler wheel excircle is provided with a circle groove, is nested with outer diameter made of wear-resistant material slightly larger than idler wheel outer diameter
Elastic circular ring.
Compared with prior art, the utility model has technical effect beneficial below:
Antiwear Electrical imaging instrument backup arm disclosed by the utility model, including main force rod, pin shaft, idler wheel and connection
Head；Main force rod is connect by pin shaft with connector, and idler wheel is set on pin shaft.Idler wheel can rotate with it reduction in well logging
Friction is not susceptible to wear phenomenon, can effectively improve service life of the backup arm in well logging.
Further, pin shaft one end is countersunk head form, reduces protrusion in the frictional impact of underground, avoids the change of pin shaft
Using fastening is threadedly engaged, the processing is simple, easy to operate for shape and damage, pin shaft and connector.
Further, the spring washer being equipped on pin shaft can prevent thread looseness, improve firmness.
Further, pin shaft one end is countersunk head form, and the pin shaft other end is provided with aperture, latching, anti-shotpin are inserted on aperture
Axis falls off.
Further, axle sleeve is installed on pin shaft, idler wheel is equipped with wheel case, axle sleeve and wheel case by cooperation, makes idler wheel rotation spirit
It is living.Axle sleeve or wheel case are avoided corrosion while guaranteeing rigidity and are played righting between two parties to pin shaft using copper.
Further, idler wheel is equipped with the bearing cooperated with pin shaft, further reduced coefficient of friction when rotation, improves
The flexibility of rotation and the service life of component.
Further, bearing uses anti-friction bearing, and performance is more superior.
Further, idler wheel excircle is provided with a circle groove, is nested with elastic circular ring made of wear-resistant material, elastic circular ring
Outer diameter be slightly larger than the outer diameter of idler wheel, it is possible to reduce the vibration generated when rolling, and elastic circular ring is cheap, is easy to more
It changes, it can be injury-free with effective protection idler wheel.
Detailed description of the invention
Fig. 1 is structural schematic diagram when the utility model uses connector form 1；
Fig. 2 is explosive view when the utility model uses connector form 1；
Fig. 3 is structural schematic diagram when the utility model uses connector form 2；
Fig. 4 is explosive view when the utility model uses connector form 2；
Fig. 5 is rigging position appearance diagram of the utility model in rounding state；
Fig. 6 is rigging position appearance diagram of the utility model in open configuration.
In figure, 01 is main force rod, and 02 is pin shaft, and 03 is axle sleeve, and 04 is idler wheel, and 05 is connector I, and 06 is connector II.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing:
A kind of antiwear Electrical imaging instrument backup arm as shown in Figure 1, Figure 3, including main force rod 01, pin shaft 02, idler wheel
04 and connector；Main force rod 01 is connect by pin shaft 02 with connector, and idler wheel 04 is set on pin shaft 02.02 one end of pin shaft is heavy
Capitiform formula can effectively reduce protrusion in the frictional impact of underground, avoid the deformation and damage of pin shaft.02 other end of pin shaft
It being threaded, is threadedly engaged fastening with connector upper pin hole, the processing is simple for this mode, and it is easy to operate, simultaneously
Spring washer is housed on pin shaft 02, thread looseness can be prevented, improves firmness.The connection type of pin shaft 02 and connector is also
Can use: for 02 one end of pin shaft for countersunk head form, 02 other end of pin shaft is provided with aperture, and latching is inserted on aperture to prevent pin shaft de-
It falls.Axle sleeve 03 is installed on pin shaft 02, idler wheel 04 is equipped with wheel case, and wheel case is made of copper, can keep away while guaranteeing rigidity
Exempt to corrode and righting is played between two parties to pin shaft 02.Bearing, rubbing when further reduced rotation can also be installed to idler wheel 04
Coefficient is wiped, the flexibility of rotation and the service life of component are improved.04 excircle of idler wheel is provided with a circle groove, is nested with wear-resistant material
Elastic circular ring of the manufactured outer diameter slightly larger than 04 outer diameter of idler wheel, the vibration generated when on the one hand can reduce rolling, on the other hand,
Can be injury-free with effective protection idler wheel, elastic circular ring is cheap, is easily changed.Above-mentioned component is made of copper except wheel case,
Remaining is made using 17-4 stainless steel, and component can be improved in the service life of harsh environments.
Such as Fig. 2, connector is used to connect measuring pad, and measuring pad has two kinds of forms of odd plate and even plate, and connector I is one
Section is the hollow cylindrical structure of cecum, is provided with circular hole on side, after the even plate insertion connector I in measuring pad, by fixed spiral shell
Bolt is inserted into circular hole, is tightened bolt and is fixed, and the electrical cable of measuring pad is laid from measuring pad lower part.Such as Fig. 4, connector
II is provided with the hollow circuit cylinder through-hole structure of axial gap for side, after the odd plate insertion connector II in measuring pad, uses bolt
Nut is fastened, and the electrical cable of measuring pad is penetrated from through-hole to be connect with measuring pad.
As shown in Figure 5, Figure 6 it is the state of the utility model when in use:
Main force rod 01 is connect by pin shaft 02 with connector, and idler wheel 04 is set on pin shaft 02, and measurement is connected on connector
Pole plate, antiwear Electrical imaging instrument backup arm are mounted as a whole on measuring device telescoping ram, and in well logging, idler wheel can be with
Rotation, instead of original direct friction, and the vibration of equipment entirety can be effectively reduced, reduce measuring pad, master
The abrasion of power bar 01 and connector.
By the experimental demonstration of 10 mouthfuls of wells, after the antiwear Electrical imaging instrument backup arm for having used the utility model, subtract
The replacement for having lacked measuring pad, main force rod and connector reduces the abrasion of measuring pad, and substantially increase instrument uses the longevity
Life, improves one-stop operation success rate, reduces the maintenance and maintenance load at scene, has saved cost.
Claims (10)
1. a kind of antiwear Electrical imaging instrument backup arm, which is characterized in that including main force rod (01), pin shaft (02), idler wheel
(04) and connector；Main force rod (01) is connect by pin shaft (02) with connector, and idler wheel (04) is set on pin shaft (02).
2. antiwear Electrical imaging instrument backup arm according to claim 1, which is characterized in that pin shaft (02) one end is heavy
Capitiform formula, the other end are threaded, and are threadedly engaged fastening with connector upper pin hole.
3. antiwear Electrical imaging instrument backup arm according to claim 2, which is characterized in that bullet is housed on pin shaft (02)
Spring washer.
4. antiwear Electrical imaging instrument backup arm according to claim 1, which is characterized in that pin shaft (02) one end is heavy
Capitiform formula, pin shaft (02) other end are provided with aperture, are inserted with latching on aperture.
5. antiwear Electrical imaging instrument backup arm according to claim 1, which is characterized in that pin shaft is installed with axis on (02)
It covers (03), idler wheel (04) is equipped with wheel case.
6. antiwear Electrical imaging instrument backup arm according to claim 5, which is characterized in that axle sleeve (03) is copper sky
Heart casing is interference fitted with pin shaft (02).
7. antiwear Electrical imaging instrument backup arm according to claim 5, which is characterized in that wheel case is copper hollow sleeve
Pipe is interference fitted with idler wheel (04).
8. antiwear Electrical imaging instrument backup arm according to claim 1, which is characterized in that idler wheel (04) is equipped with and pin
The bearing of axis (02) cooperation.
9. antiwear Electrical imaging instrument backup arm according to claim 8, which is characterized in that the bearing is wear-resisting shaft
It holds.
10. antiwear Electrical imaging instrument backup arm according to claim 1, which is characterized in that idler wheel (04) excircle
It is provided with a circle groove, is nested with the elastic circular ring that outer diameter made of wear-resistant material is slightly larger than idler wheel (04) outer diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821942814.7U CN209483331U (en) | 2018-11-23 | 2018-11-23 | A kind of antiwear Electrical imaging instrument backup arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821942814.7U CN209483331U (en) | 2018-11-23 | 2018-11-23 | A kind of antiwear Electrical imaging instrument backup arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209483331U true CN209483331U (en) | 2019-10-11 |
Family
ID=68116524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821942814.7U Active CN209483331U (en) | 2018-11-23 | 2018-11-23 | A kind of antiwear Electrical imaging instrument backup arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209483331U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111520128A (en) * | 2020-06-02 | 2020-08-11 | 中国石油天然气集团有限公司 | Line passing device of backup arm for micro-resistivity scanning imaging logging instrument |
| CN114233222A (en) * | 2020-11-26 | 2022-03-25 | 西安振宇电子工程有限公司 | Six-arm sidewall contact device suitable for small-diameter oil well |
-
2018
- 2018-11-23 CN CN201821942814.7U patent/CN209483331U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111520128A (en) * | 2020-06-02 | 2020-08-11 | 中国石油天然气集团有限公司 | Line passing device of backup arm for micro-resistivity scanning imaging logging instrument |
| CN111520128B (en) * | 2020-06-02 | 2022-05-31 | 中国石油天然气集团有限公司 | Line passing device of backup arm for micro-resistivity scanning imaging logging instrument |
| CN114233222A (en) * | 2020-11-26 | 2022-03-25 | 西安振宇电子工程有限公司 | Six-arm sidewall contact device suitable for small-diameter oil well |
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