CN202194648U - Plate spring assembly - Google Patents
Plate spring assembly Download PDFInfo
- Publication number
- CN202194648U CN202194648U CN201120263750XU CN201120263750U CN202194648U CN 202194648 U CN202194648 U CN 202194648U CN 201120263750X U CN201120263750X U CN 201120263750XU CN 201120263750 U CN201120263750 U CN 201120263750U CN 202194648 U CN202194648 U CN 202194648U
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- China
- Prior art keywords
- leaf spring
- alignment pin
- central axis
- spring assembly
- lead
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Abstract
The utility model relates to a plate spring assembly used for fixing the plate spring of petroleum well logging instrument, which comprises a central shaft, a plate spring and a plate spring base sleeved onto the central shaft and capable of sliding along the axial direction of the central shaft. The two ends of the plate spring are provided with positioning pins. The central shaft and the plate spring base are respectively provided with positioning pin installation holes matched with the positioning pins. The plate spring is respectively fixed to central shaft and the plate spring base through the positioning pins and the positioning pin installation holes. The plate spring assembly is simple in structure, convenient in disassembly and easy in replacement. When the plate spring assembly is closely adhered to a manhole wall, the friction force between the plate spring and the manhole wall can be effectively controlled and adjusted.
Description
Technical field
The utility model belongs to mechanical field, relates to a kind of fixed structure of leaf spring, especially relates to the lead spring assembly of in a kind of oil well logging instrument leaf spring being fixed.
Background technology
In oil well logging instrument, need make probe in measuring process, be close to the borehole wall usually, this requirement is all realized by leaf spring usually, is promptly popped one's head in and is made it be close to the borehole wall by the backup in measuring process of leaf spring structure.Lead spring assembly is made up of leaf spring, central axis, sliding sleeve on general oil instrument, and leaf spring generally is divided into two parts, and leaf spring body and articulated joint are wherein hinged between articulated joint and the sliding sleeve, is fixedly connected between leaf spring body and the articulated joint, and the rivet that has commonly used connects.Though this mode is simple and practical, the contact force when measuring between the leaf spring and the borehole wall is uncontrollable, as long as the leaf spring body dimension confirms that the contact force between them is also just fixing thereupon so; This kind structure is very inconvenience when dismounting simultaneously, need take down the jointed shaft between articulated joint and the sliding sleeve, and the more dismountings of leaf spring radical are inconvenience further.
The utility model content
In order to solve the above-mentioned technical problem that exists in the background technology, the utility model provide a kind of simple in structure, can effectively control to adjust leaf spring and frictional force, the convenient disassembly of the borehole wall and the lead spring assembly of changing easily when being close to the borehole wall.
The technical scheme of the utility model is: the utility model provides a kind of lead spring assembly, and its special character is: the leaf spring base that said lead spring assembly comprises central axis, leaf spring, be socketed on the central axis and slide along the axial direction of central axis; The two ends of said leaf spring are provided with alignment pin; Be respectively arranged with the alignment pin installing hole suitable on said central axis and the leaf spring base with alignment pin; Said leaf spring is fixed on central axis and the leaf spring base through alignment pin and alignment pin installing hole respectively.
The axial direction that above-mentioned alignment pin installing hole is arranged on central axis and/or leaf spring base has on the conical surface of angle.
Above-mentioned alignment pin installing hole circumference uniform distribution is on the conical surface of 60 ° of angles in the axial direction with central axis and/or leaf spring base.
Above-mentioned lead spring assembly also comprise be arranged at the central axis end be used to step up alignment pin on step up device, step up device on said and comprise the last positioning seat that is socketed in central axis, step up volution and step up ring outward; The said volution that steps up is socketed on central axis or the last positioning seat; Said outer step up to encircle through be arranged on outer spline key on stepping up to encircle be socketed in central axis or go up positioning seat outside and with step up volution and be threaded.
Above-mentioned step up volution and step up outward the ring all are two semi-circular structure, said two semi-circular structure connect into an annulus through screw; Said central axis and last positioning seat are branch body structure or integrative-structure.
Above-mentioned lead spring assembly also comprises the following device that steps up that is used to step up alignment pin that is arranged at the leaf spring base; Step up under said device comprise binding ring and under step up the ring; Stepping up ring under said suppresses on alignment pin; Outside and the apical grafting that said binding ring is socketed in the leaf spring base encircles in stepping up down.
Above-mentioned binding ring is the annulus of an integral body.
Above-mentioned lead spring assembly also comprises the leaf spring reinforced sheet that welds together through resistance spot welding with leaf spring.
The external surface of above-mentioned leaf spring is coated with wearing layer.
Above-mentioned alignment pin is locating piece, positioning strip or the positioning convex at welding and leaf spring two ends; The number of said alignment pin is one or more.
The utlity model has following advantage:
1, simple in structure, easy for installation.The lead spring assembly that the utility model provided is positioned the upper end of leaf spring for the leaf spring base by alignment pin; The leaf spring base is provided with following ring and the binding ring of stepping up that compresses leaf spring; The leaf spring lower end is positioned positioning seat by alignment pin; Positioning seat is provided with and is used to compress stepping up volution and stepping up ring outward of leaf spring on the leaf spring; Step up volution and be two semicircle structures with stepping up ring outward, the utility model adopts such structure to make the utility model more firm than traditional leaf spring fixed form, in use can not influence the fixed effect of leaf spring because of the slip between leaf spring body and the articulated joint.Simultaneously, the lead spring assembly leaf spring that the utility model provided retracts, installs simple and convenient.
2, can realize effectively that measuring apparatus is close to the borehole wall and frictional force is less.The utility model need not be changed lead spring assembly can effectively control the frictional force of the leaf spring and the borehole wall through changing extension spring, uses very convenient.
3, long service life.The utility model in use owing to lead spring assembly and wall friction face spraying abrasion-proof layer, can effectively prolong the application life of leaf spring.
Description of drawings
Fig. 1 is the overall structure sketch map of the lead spring assembly of the utility model;
Fig. 2 is the enlarged diagram of A part among Fig. 1;
Fig. 3 is the enlarged diagram of B part among Fig. 1;
Wherein, drawing reference numeral explanation:
1-steps up volution, and 2-steps up ring outward, the 3-leaf spring, and 4-extension spring sole piece, 5-leaf spring base, the 6-central axis steps up ring, 9-extension spring, 10-leaf spring reinforced sheet, the last positioning seat of 11-, 12-alignment pin under the 7-binding ring, 8-.
The specific embodiment
Through accompanying drawing and embodiment, the utility model is done further detailed description below.
Referring to Fig. 1, the utility model provides a kind of lead spring assembly, comprises central axis 6; The extension spring 9 of central axis 6 lower ends, extension spring 9 lower ends and leaf spring base 5 are fixing, and extension spring 9 upper ends are fixedly connected with extension spring sole piece 4; Extension spring 9 is threaded fixing with being connected of leaf spring base 5 and extension spring sole piece 4 with arc surface; Central axis 6 is a boss structure, the lead spring assembly that has its two ends to be connected on the central axis 6, and lead spring assembly is made up of leaf spring 3 and leaf spring reinforced sheet 10 and alignment pin 12; The upper end of leaf spring 3 is positioned leaf spring base 5 by alignment pin 12; Leaf spring base 5 be provided with compress leaf spring 3 following step up to encircle 8 with binding ring 7, leaf spring 3 lower ends are positioned positioning seat 11 by alignment pin 12, positioning seat 11 is provided with and is used to compress stepping up volution 1 and stepping up to encircle 2 outward of leaf spring 3 on the leaf spring 3; Step up volution 1 and be two semicircle structures with stepping up 2 rings outward, alignment pin 12 can be locating piece, positioning strip or the positioning convex at welding and leaf spring 3 two ends; The number of this alignment pin 12 can be one or more.
Referring to Fig. 2 and Fig. 3; The alignment pin installing hole that circumference uniform distribution is arranged on the leaf spring base 5, installing hole be distributed on central axis 6 angles be on 60 ° the conical surface, other conical surfaces are provided with the alignment pin installing hole and also are fine certainly; Be not limited to this so-called 60 ° conical surface; The inventor is through long-term practice, and when finding that the alignment pin installing hole is arranged on 60 ° of these conical surfaces, its effect is best.
Step up volution 1 and step up to encircle 2 outward, extension spring sole piece 4 is two semicircle structures, two semi-circular structure connect through screw, are convenient to installing/dismounting.
Extension spring 9 is threaded for arc surface with leaf spring base 5 and last positioning seat 11.
Connected mode between leaf spring 3 and the leaf spring reinforced sheet 10 is welding, and welding manner is resistance spot welding.
There are leaf spring base 5 and last positioning seat 11 in the two ends of central axis 6, and extension spring 9 one ends are connected with leaf spring base 5, and the other end is connected with extension spring sole piece 4, and extension spring 9 is that arc surface is threaded with connected mode between leaf spring base 5, the extension spring sole piece 4; Extension spring sole piece 4 is two semi-circular structure, connects through screw; Alignment pin 12 welding are with on leaf spring 3, and leaf spring reinforced sheet 10 is welded on the leaf spring 3, and the lead spring assembly during installation after the welding well relies on the alignment pin 12 at its two ends to be fixed between leaf spring base and the last positioning seat 11; Back, the upper end of lead spring assembly alignment pin 12 location rely on step up volution 1 with outside step up to encircle between 2 relative motion and outside step up to encircle 2 and last positioning seat 11 between spline key effect realization leaf spring 3 and last positioning seat 11 between fitting tightly; Be that alignment pin 12 can't be deviate from from last positioning seat 11; Simultaneously adjust step up volution 1 with outside step up to encircle 2 positions after; The use holding screw fixedly steps up volution 1 and steps up to encircle 2 position outward; Make that stepping up volution 1 can not rotate, guaranteed to step up volution 1 and stepped up to encircle 2 outward and do not have relative motion again; Back, the lower end of lead spring assembly alignment pin 12 location rely on step up down to encircle 8 with two binding rings 7 cooperate and time step up to encircle 8 and leaf spring base 5 between the effect of spline key; Realize fitting tightly between leaf spring 3 and the leaf spring base 5; Step up to encircle 8 leaf springs 3 of will tightly fitting under the cooperation of two binding rings 7 guarantees in the use of instrument, guarantee that promptly alignment pin 12 can't deviate from from leaf spring base 5.
The course of work of the utility model is: when lead spring assembly receives the external force withdrawal; Lead spring assembly drives leaf spring base 5 and axially moves along central axis 6; Simultaneously leaf spring base 5 drives extension springs 9 and stretches elongatedly, and lead spring assembly opens under the tension of self elastic force and extension spring 9 when external force disappears.
More than; It only is the preferred embodiment of the utility model; Be not the utility model is done any restriction, everyly above embodiment done any simple modification, change and equivalent structure transformation, all still belong in the protection domain of this programme according to the utility model technical spirit.
Claims (10)
1. lead spring assembly is characterized in that: the leaf spring base that said lead spring assembly comprises central axis, leaf spring, be socketed on the central axis and slide along the axial direction of central axis; The two ends of said leaf spring are provided with alignment pin; Be respectively arranged with the alignment pin installing hole suitable on said central axis and the leaf spring base with alignment pin; Said leaf spring is fixed on central axis and the leaf spring base through alignment pin and alignment pin installing hole respectively.
2. lead spring assembly according to claim 1 is characterized in that: the axial direction that said alignment pin installing hole is arranged on central axis and/or leaf spring base has on the conical surface of angle.
3. lead spring assembly according to claim 2 is characterized in that: said alignment pin installing hole circumference uniform distribution is on the conical surface of 60 ° of angles in the axial direction with central axis and/or leaf spring base.
4. according to claim 1 or 2 or 3 described lead spring assembly; It is characterized in that: said lead spring assembly also comprise be arranged at the central axis end be used to step up alignment pin on step up device, step up device on said and comprise the last positioning seat that is socketed in central axis, step up volution and step up ring outward; The said volution that steps up is socketed on central axis or the last positioning seat; Said outer step up to encircle through be arranged on outer spline key on stepping up to encircle be socketed in central axis or go up positioning seat outside and with step up volution and be threaded.
5. lead spring assembly according to claim 4 is characterized in that: said step up volution and step up outward the ring all are two semi-circular structure, said two semi-circular structure connect into an annulus through screw; Said central axis and last positioning seat are branch body structure or integrative-structure.
6. lead spring assembly according to claim 5 is characterized in that: said lead spring assembly also comprises the following device that steps up that is used to step up alignment pin that is arranged at the leaf spring base; Step up under said device comprise binding ring and under step up the ring; Stepping up ring under said suppresses on alignment pin; Outside and the apical grafting that said binding ring is socketed in the leaf spring base is in stepping up ring down, step up to encircle under said and the leaf spring base between be provided with the spline key.
7. lead spring assembly according to claim 6 is characterized in that: said binding ring is the annulus of an integral body.
8. lead spring assembly according to claim 7 is characterized in that: said lead spring assembly also comprises the leaf spring reinforced sheet that welds together through resistance spot welding with leaf spring.
9. lead spring assembly according to claim 8 is characterized in that: the external surface of said leaf spring is coated with wearing layer.
10. lead spring assembly according to claim 1 is characterized in that: said alignment pin is locating piece, positioning strip or the positioning convex at welding and leaf spring two ends; The number of said alignment pin is one or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120263750XU CN202194648U (en) | 2011-07-25 | 2011-07-25 | Plate spring assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120263750XU CN202194648U (en) | 2011-07-25 | 2011-07-25 | Plate spring assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202194648U true CN202194648U (en) | 2012-04-18 |
Family
ID=45949565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120263750XU Expired - Lifetime CN202194648U (en) | 2011-07-25 | 2011-07-25 | Plate spring assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202194648U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103875486A (en) * | 2014-03-11 | 2014-06-25 | 北京华农农业工程设计咨询有限公司 | Draw curtain buffer device and draw curtain system |
| CN104033144A (en) * | 2014-06-23 | 2014-09-10 | 北京奥瑞安能源技术开发有限公司 | Lifting head device |
| CN109236271A (en) * | 2018-08-27 | 2019-01-18 | 中国石油天然气集团有限公司 | A kind of wireline logging underground pushing device |
| CN109630556A (en) * | 2018-12-21 | 2019-04-16 | 重庆齿轮箱有限责任公司 | A kind of reversible shaft coupling |
| CN110965951A (en) * | 2019-11-27 | 2020-04-07 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Large-drift-diameter hydraulic anchor and using method thereof |
-
2011
- 2011-07-25 CN CN201120263750XU patent/CN202194648U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103875486A (en) * | 2014-03-11 | 2014-06-25 | 北京华农农业工程设计咨询有限公司 | Draw curtain buffer device and draw curtain system |
| CN103875486B (en) * | 2014-03-11 | 2016-07-06 | 北京华农农业工程技术有限公司 | A kind of draw curtain buffer unit and house shading system |
| CN104033144A (en) * | 2014-06-23 | 2014-09-10 | 北京奥瑞安能源技术开发有限公司 | Lifting head device |
| CN109236271A (en) * | 2018-08-27 | 2019-01-18 | 中国石油天然气集团有限公司 | A kind of wireline logging underground pushing device |
| CN109630556A (en) * | 2018-12-21 | 2019-04-16 | 重庆齿轮箱有限责任公司 | A kind of reversible shaft coupling |
| CN110965951A (en) * | 2019-11-27 | 2020-04-07 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Large-drift-diameter hydraulic anchor and using method thereof |
| CN110965951B (en) * | 2019-11-27 | 2024-01-23 | 中国石油天然气集团有限公司 | Large-drift-diameter hydraulic anchor and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180614 Address after: 710000 Shaanxi Xi'an economic and Technological Development Zone, 50 North Road, Huaxin Century Garden nineteenth building 3 unit 17 level 31701. Patentee after: Shaanxi Chang Ye oil and Gas Integrated Service Co., Ltd. Address before: 710065 No. 22 science and technology five road, hi tech Development Zone, Xi'an, Shaanxi Patentee before: Xi'an Sitan Apparatus Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120418 |