CN206224000U - A kind of zero-initial-length spring, zero-initial-length spring attachment structure and dynamic gravity instrument - Google Patents
A kind of zero-initial-length spring, zero-initial-length spring attachment structure and dynamic gravity instrument Download PDFInfo
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- CN206224000U CN206224000U CN201621229047.6U CN201621229047U CN206224000U CN 206224000 U CN206224000 U CN 206224000U CN 201621229047 U CN201621229047 U CN 201621229047U CN 206224000 U CN206224000 U CN 206224000U
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- zero
- initial
- length spring
- region
- coupling assembly
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Abstract
The utility model discloses a kind of zero-initial-length spring, zero-initial-length spring attachment structure and dynamic gravity instrument, the zero-initial-length spring, including deformation region and linearity region, the linearity region is arranged at the two ends of deformation region, deformation region and linearity region are integrally machined shaping by medal spring silk, the deformation region is located on the axis of deformation region with the tie point of linearity region, and the linearity region overlaps with the axis of deformation region.The end of zero-initial-length spring eliminates hook and the structure of suspension cooperation that tradition is used, and directly prepares linearity region in both ends of the spring, the coupling assembly of dynamic gravity instrument is directly clamped zero-initial-length spring as clamping suspension.The attachment structure of the zero-initial-length spring is also disclosed, and using the dynamic gravity instrument of the zero-initial-length spring.Zero-initial-length spring after improvement simplifies structure, reduces cumulative errors so that dynamic gravity instrument can relax positioning precision, reduces assembly difficulty, simplifies assembly technology.
Description
Technical field
The present invention relates to gravimetric prospecting equipment technical field, particularly a kind of zero-initial-length spring, zero-initial-length spring attachment structure and
Dynamic gravity instrument.
Background technology
Zero-initial-length spring is a kind of extension spring with special pretension, be correspondingly small in size because it has, sensitivity it is high,
Can well overcome the advantages of laterally disturbing as dynamic measurement sensing element, often as high accuracy, high sensitivity, have higher
The sensor of long-time stability requirement（Such as gravimeter, seismic detector）Preferable sensing element.Zero-initial-length spring is in dynamic gravity instrument
In application it is extremely wide, its " distance of zero mark " characteristic is realized by bearing spring long plus suspension.
As shown in figure 1, dynamic gravity instrument in the market using the method for hook come connecting spring a and suspension b, hang
Silk b is then compressing tablet clamping structure with the tie point of the quality pendulum of the hitch point or dynamic gravity instrument bottom on dynamic gravity instrument top
c.But, tie point and the registration of the axis of spring a of suspension b and spring a are difficult to ensure that, need to manufacture shape and size precision pole
Hook high, causes spring a percent defectives higher；Additionally, the compressing tablet clamping structure c of suspension b is fixed due to being unable to adjustment position, assembling
Position difficulty is big, and suspension need to remove stress, complex process, high cost with special frock through Overheating Treatment.
The content of the invention
For problem above, the purpose of the present invention aims to provide a kind of simple structure, assembling process and is easy to adjustment, low cost
The honest and clean zero-initial-length spring that can be used for dynamic gravity instrument.
A kind of zero-initial-length spring, including deformation region and linearity region, the deformation region are that medal spring silk doubling-up is closely arranged
Helical spring together is listed in, the linearity region is arranged at the two ends of deformation region, and deformation region and linearity region are by metal
Spring silk is integrally machined shaping, and the deformation region is located on the axis of deformation region with the tie point of linearity region, the straight line
Region overlaps with the axis of deformation region.
And disclose a kind of zero-initial-length spring attachment structure, including housing, zero-initial-length spring, upper coupling assembly and lower connection group
Part, the upper coupling assembly and lower coupling assembly are connected with housing, and the upper coupling assembly and lower coupling assembly include bottom
Seat and compressing tablet, the base are cylinder, and are provided with the clamping plane being adapted with compressing tablet, and the axis of base is in clamping plane
Interior, the compressing tablet clamps the linearity region of zero-initial-length spring with clamping plane jointly.
Further, the upper coupling assembly also includes external screw thread regulation pipe, adjusting nut and briquetting, and the case top sets
There is the opening passed through for external screw thread regulation pipe, the adjusting nut is articulated with open circumferential, the upper coupling assembly by briquetting
Base be upper bed-plate, the external cylindrical surface of the upper bed-plate is fixedly connected with the inwall of external screw thread regulation pipe, the adjusting nut
It is threadedly coupled with external screw thread regulation pipe.
Further, the upper bed-plate is fixedly connected by screw with external screw thread regulation pipe.The screw is located at regulation spiral shell
Female top, and the end of screw protrudes the outer wall of external screw thread regulation pipe, forms limited block.
Further, the adjusting nut is equipped with the inclined-plane being mutually adapted with briquetting, and ball is passed through between the inclined-plane
Form rolling pair.
Lower coupling assembly of the present invention also includes support base, and the base of the lower coupling assembly is lower bottom base, lower bottom base
Bottom be provided with step, the support base includes upper bracket and undersetting, and the upper bracket middle part is provided with and is adapted with lower bottom base
Spacing cavity volume, the upper bracket is fixedly connected with undersetting, and the undersetting is fixedly connected with the casing.
Zero-initial-length spring disclosed by the invention and attachment structure have the following advantages that：
Compared with prior art, the zero-initial-length spring after improvement simplifies structure, it is no longer necessary to process the hook at two ends, eliminates
Because of the zero-initial-length spring measurement error that two ends hook hitch point does not cause coaxially.
Meanwhile, the connection of former zero-initial-length spring, suspension and coupling assembly three is reduced to present spring and is connected
Component is joined directly together, and optimizes annexation, reduces cumulative errors.
Additionally, upper coupling assembly increases spiral micromatic setting, facilitate the adjustment of spring " distance of zero mark ", so as to positioning accurate can be relaxed
Degree, reduces assembly difficulty, simplifies assembly technology.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be to that will make needed for embodiment description
Accompanying drawing is briefly described.Obviously, described accompanying drawing is a part of embodiment of the invention, rather than whole implementations
Example, those skilled in the art on the premise of not paying creative work, can also obtain other designs according to these accompanying drawings
Scheme and accompanying drawing.
Fig. 1 is the suspension structural representation of existing zero-initial-length spring；
Fig. 2 is the schematic diagram of zero-initial-length spring attachment structure of the present invention；
Fig. 3 is the partial enlarged drawing at A in Fig. 2.
Specific embodiment
The technique effect of design of the invention, concrete structure and generation is carried out clearly below with reference to embodiment and accompanying drawing
Chu, it is fully described by, to be completely understood by the purpose of the present invention, feature and effect.Obviously, described embodiment is this hair
Bright a part of embodiment, rather than whole embodiments, based on embodiments of the invention, those skilled in the art is not paying
The other embodiment obtained on the premise of creative work, belongs to the scope of protection of the invention.In addition, be previously mentioned in text
All connection/annexations, not singly refer to that component directly connects, and refer to that can be added deduct by adding according to specific implementation situation
Lack couple auxiliary to constitute more excellent draw bail.Each technical characteristic in the invention, in not conflicting conflict
Under the premise of can be with combination of interactions.
As shown in Figures 2 and 3, a kind of zero-initial-length spring 1, including deformation region 11 and linearity region 12, the deformation region 11
It is the medal spring silk helical spring that is arranged closely together of doubling-up, the linearity region 12 is arranged at the two ends of deformation region 11,
Deformation region 11 and linearity region 12 are integrally machined shaping, the connection of the deformation region 11 and linearity region 12 by medal spring silk
On the axis of deformation region 11, the linearity region 12 overlaps point with the axis of deformation region 11.The end of zero-initial-length spring
Hook and the structure of suspension cooperation that tradition is used are eliminated, directly linearity region 12 is prepared in both ends of the spring, makes dynamic weight
The coupling assembly of power instrument can directly clamp zero-initial-length spring as clamping suspension.
A kind of zero-initial-length spring attachment structure, including housing 2, zero-initial-length spring as described above 1, upper coupling assembly and lower connection
Component, the upper coupling assembly and lower coupling assembly are connected with housing 2, and the upper coupling assembly and lower coupling assembly include
Base and compressing tablet, the base are cylinder, and are provided with the clamping plane being adapted with compressing tablet, and the axis of base is in clamping plane
Interior, the compressing tablet clamps the linearity region 12 of zero-initial-length spring 1 with clamping plane jointly.
Used as further preferred embodiment, the upper coupling assembly also includes external screw thread regulation pipe 32, adjusting nut
33 and briquetting 34, the top of the housing 2 is provided with the opening passed through for external screw thread regulation pipe 32, and the adjusting nut 33 passes through briquetting
34 are articulated with open circumferential, and the base of the upper coupling assembly is upper bed-plate 31, the external cylindrical surface of the upper bed-plate 31 and outer spiral shell
The inwall of line regulation pipe 32 is fixedly connected, and the adjusting nut 33 is threadedly coupled with external screw thread regulation pipe 32.
Used as further preferred embodiment, the upper bed-plate 31 is fixed with external screw thread regulation pipe 32 by screw 35 and connected
Connect.
Used as further preferred embodiment, the screw 35 is located at the top of adjusting nut 33, and screw 35 end
Portion protrudes the outer wall of external screw thread regulation pipe 32, forms limited block.
Used as further preferred embodiment, the adjusting nut 33 is equipped with the inclined-plane being mutually adapted with briquetting 34,
Rolling pair is formed by ball between the inclined-plane.
Used as further preferred embodiment, the lower coupling assembly also includes support base, the lower coupling assembly
Base is lower bottom base 41, and the bottom of lower bottom base 41 is provided with step, and the support base includes upper bracket 42 and undersetting 43, it is described on
The middle part of bearing 42 is provided with the spacing cavity volume being adapted with lower bottom base 41, and the upper bracket 42 is fixedly connected with undersetting 43, described
Undersetting 43 is fixedly connected with housing 2.
The installation step of the zero-initial-length spring bindiny mechanism is as follows：
Zero-initial-length spring 1 connects with upper coupling assembly first, and the pressure of compressing tablet and upper bed-plate 31 is fixed on by upper housing screw
Between tight plane.Tightening screw 35, upper bed-plate 31 is interfixed with external screw thread regulation pipe 32.Now, in lower coupling assembly
Lower housing screw is not screwed, and has enough gaps between lower bottom base 41 and compressing tablet, and the linearity region 12 of zero-initial-length spring lower end can be free
Move up and down.Rotating adjusting nut 33, then external screw thread regulation pipe 32 can move up and down within the specific limits, when upper coupling assembly with
When " distance of zero mark " that the distance between lower coupling assembly reaches spring is required, screw lower housing screw, by the lower end of zero-initial-length spring 1 with
Lower coupling assembly is fixed.So far the assembling of zero-initial-length spring 1 is just completed, compared with hook structure before this, assembling process is simple,
Accumulated error is small, and positioning precision is high.
Better embodiment of the invention is illustrated above, but the invention is not limited to the implementation
Example, those of ordinary skill in the art can also make a variety of equivalent modifications or replace on the premise of without prejudice to spirit of the invention
Change, these equivalent modifications or replacement are all contained in the application claim limited range.
Claims (8)
1. a kind of zero-initial-length spring, including deformation region, the deformation region is the spiral shell that medal spring silk doubling-up is arranged closely together
Rotation spring, it is characterised in that：Also include linearity region, the linearity region is arranged at the two ends of deformation region, deformation region and
Linearity region is integrally machined shaping by medal spring silk, and the deformation region is located at the axle of deformation region with the tie point of linearity region
On line, the linearity region overlaps with the axis of deformation region.
2. a kind of zero-initial-length spring attachment structure, including housing, upper coupling assembly and lower coupling assembly, the upper coupling assembly is with
Coupling assembly is connected with housing, it is characterised in that：Also include zero-initial-length spring as claimed in claim 1, the upper connection group
Part and lower coupling assembly include base and compressing tablet, and the base is cylinder, and is provided with the clamping plane being adapted with compressing tablet,
In clamping plane, the compressing tablet clamps the linearity region of zero-initial-length spring with clamping plane to the axis of base jointly.
3. zero-initial-length spring attachment structure according to claim 2, it is characterised in that：The upper coupling assembly also includes outer spiral shell
Line regulation pipe, adjusting nut and briquetting, the case top are provided with the opening passed through for external screw thread regulation pipe, the adjusting nut
Open circumferential is articulated with by briquetting, the base of the upper coupling assembly is upper bed-plate, the external cylindrical surface of the upper bed-plate with it is outer
The inwall of threaded adjusting pipe is fixedly connected, and the adjusting nut is threadedly coupled with external screw thread regulation pipe.
4. zero-initial-length spring attachment structure according to claim 3, it is characterised in that：The upper bed-plate passes through screw and outer spiral shell
Line regulation pipe is fixedly connected.
5. zero-initial-length spring attachment structure according to claim 4, it is characterised in that：The screw is located at the upper of adjusting nut
Side, and screw end protrude external screw thread regulation pipe outer wall, formed limited block.
6. zero-initial-length spring attachment structure according to claim 3, it is characterised in that：The adjusting nut is equipped with briquetting
The inclined-plane being mutually adapted, rolling pair is formed between the inclined-plane by ball.
7. zero-initial-length spring attachment structure according to claim 2, it is characterised in that：The lower coupling assembly also includes support
Seat, the base of the lower coupling assembly is lower bottom base, and the bottom of lower bottom base is provided with step, and the support base includes upper bracket with
Bearing, the upper bracket middle part is provided with the spacing cavity volume being adapted with lower bottom base, and the upper bracket is fixedly connected with undersetting, institute
Undersetting is stated to be fixedly connected with the casing.
8. a kind of dynamic gravity instrument, it is characterised in that employ the zero-initial-length spring connection knot as described in any one of claim 2~7
Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621229047.6U CN206224000U (en) | 2016-11-15 | 2016-11-15 | A kind of zero-initial-length spring, zero-initial-length spring attachment structure and dynamic gravity instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621229047.6U CN206224000U (en) | 2016-11-15 | 2016-11-15 | A kind of zero-initial-length spring, zero-initial-length spring attachment structure and dynamic gravity instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206224000U true CN206224000U (en) | 2017-06-06 |
Family
ID=58792509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621229047.6U Withdrawn - After Issue CN206224000U (en) | 2016-11-15 | 2016-11-15 | A kind of zero-initial-length spring, zero-initial-length spring attachment structure and dynamic gravity instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206224000U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106405669A (en) * | 2016-11-15 | 2017-02-15 | 中国科学院测量与地球物理研究所 | Zero-length spring, connecting structure of zero-length spring and dynamic gravity meter |
| CN114850352A (en) * | 2022-05-30 | 2022-08-05 | 中国科学院精密测量科学与技术创新研究院 | High-precision metal zero-length spring reverse rotation device |
-
2016
- 2016-11-15 CN CN201621229047.6U patent/CN206224000U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106405669A (en) * | 2016-11-15 | 2017-02-15 | 中国科学院测量与地球物理研究所 | Zero-length spring, connecting structure of zero-length spring and dynamic gravity meter |
| CN114850352A (en) * | 2022-05-30 | 2022-08-05 | 中国科学院精密测量科学与技术创新研究院 | High-precision metal zero-length spring reverse rotation device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170606 Effective date of abandoning: 20181026 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20170606 Effective date of abandoning: 20181026 |