CN106346418A - Assembly tooling for spring component and spring deformation holder of assembly tooling - Google Patents
Assembly tooling for spring component and spring deformation holder of assembly tooling Download PDFInfo
- Publication number
- CN106346418A CN106346418A CN201610892957.0A CN201610892957A CN106346418A CN 106346418 A CN106346418 A CN 106346418A CN 201610892957 A CN201610892957 A CN 201610892957A CN 106346418 A CN106346418 A CN 106346418A
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- China
- Prior art keywords
- spring
- edge
- keeper
- assembly
- along
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
- B25B27/30—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same positioning or withdrawing springs, e.g. coil or leaf springs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
- B25B27/30—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same positioning or withdrawing springs, e.g. coil or leaf springs
- B25B27/302—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same positioning or withdrawing springs, e.g. coil or leaf springs coil springs other than torsion coil springs
- B25B27/304—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same positioning or withdrawing springs, e.g. coil or leaf springs coil springs other than torsion coil springs by compressing coil springs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
- Springs (AREA)
Abstract
The invention relates to an assembly tooling for a spring component and a spring deformation holder of the assembly tooling. According to the assembly tooling for the spring component, a spring is deformed under the action of a force application head and then the spring is kept deformed by adopting the spring deformation holder, wherein the spring deformation holder comprises a holder body; an abdicating channel for the spring component to be loaded into and moved out along the direction perpendicular to the spring deformation direction is arranged in the holder body; an upper stopping edge and a lower stopping edge which are in stopping fit with an upper spring seat and a lower spring seat of the spring component so as to stop spring return are respectively arranged at the upper end and the lower end of the abdicating channel. Therefore, after the spring is deformed, the deformation of the spring can be kept under a stopping action of the upper stopping edge and the lower stopping edge, further the assembly of the spring component is facilitated, and the efficiency is improved.
Description
Technical field
The present invention relates to high-voltage switch gear field, more particularly to a kind of spring assembly assembly tooling and its spring deflection are protected
Gripping member.
Background technology
Spring for indoor vacuum circuit breaker spring operating mechanism has the forms such as extension spring, stage clip, snail wind spring at present, its
Middle extension spring is most widely used with stage clip, and in each operating position of mechanism, spring must remain specific deflection, because
Need to be compressed to a certain degree during this mechanism's spring assembling, required with the fitted position reaching spring, as a example stage clip, during assembling
Need to ensure a certain amount of precompressed compression deformation, and need to ensure to be compressed the holding of state, to facilitate bullet after compression
The installation of spring assembly.
Spring assembly as shown in Fig. 1 is to 2, it includes spring 7, upper spring seat 8, lower spring cup 6, spring pull bar 11 and bullet
Spring sleeve 10, wherein upper spring seat 8 and lower spring cup 6 are freely arranged on the both sides up and down of spring 7 respectively, and spring pull bar 11 passes through
Square opening on lower spring cup 6 inserts in spring 7 from lower spring end, and spring spool 10 is worn by the spring spool on upper spring seat
Hole is inserted in spring 7 from the upper end of spring, upper spring seat 8 is provided with for existing for the installing hole abutting joint on spring spool
During operating mechanism, on operating mechanism installation axle avoid arc shaped groove 81, this spring assembly can be again by bullet after spring-compressed
Spring sleeve 10 and spring pull bar 11 insert from two ends respectively, are finally arranged in spring operating mechanism, traditional mode is usually
After spring assembly being compressed using manpower or machinery, by compression after spring assembly be arranged on operating mechanism, but by
Even if the spring on operating mechanism has less deflection, still there is larger elastic force, therefore its deflection is difficult to keep,
So that the assembling to spring needs the compression of spring is done with corresponding adjustment, waste time and energy, efficiency of assembling is low.
Content of the invention
It is an object of the invention to provide a kind of spring assembly assembly tooling, with solving prior art, spring assembly is compressed
Or the problem that the deflection after stretching is difficult to keep.The present invention also aims to providing this spring assembly assembly tooling a kind of
Spring deflection keeper.
For achieving the above object, the technical scheme of spring deflection keeper of the present invention is:
Spring deflection keeper, including keeper body, keeper body is provided with for for spring assembly along perpendicular to
Camber of spring direction load and removal allow bit port, allow the upper and lower side of bit port to be separately provided for and described spring assembly
Upper spring seat and the cooperation of lower spring cup block to stop the upper gear edge of spring reset and the lower block edge of spring assembly.
The lower surface on upper gear edge is constituted for realizing the aperture periphery block with the spring spool perforation of described upper spring seat
The upper stopping surface of cooperation, the upper surface on lower block edge constitute be oppositely arranged with upper stopping surface for realizing and described lower spring cup
The lower stopping surface of the aperture periphery block cooperation of spring pull bar perforation.
Upper gear edge and lower block are constituted along by two parts, and the two parts on upper gear edge are relative respectively with the two parts on lower block edge to be set
Put in the left and right sidewall allowing bit port, between the two parts on wherein upper gear edge, edge forms perpendicular to camber of spring direction and is used for keeping away
Allow the upper avoidance space of seaming chuck, between the two parts on described lower block edge along under formed for avoiding perpendicular to camber of spring direction
The lower avoidance space of pressure head.
Keeper body is in u-shaped along the cross section perpendicular to camber of spring direction, and the two parts on upper gear edge are oppositely arranged on u
On the upper end of type keeper body two-arm, the two parts on lower block edge are oppositely arranged on the bottom of u-shaped keeper body two-arm
On, upper gear edge on keeper body and lower block along between space constitute described in allow bit port.
The technical scheme of the spring assembly assembly tooling of the present invention is:
Spring assembly assembly tooling, including spring deflection keeper and for making it stretch spring assembly to apply active force
Or the force head of compression, described spring deflection keeper includes keeper body, keeper body is provided with for
For spring assembly along load perpendicular to camber of spring direction and removal allow bit port, allow the upper and lower side of bit port to be respectively arranged with
Coordinate for the upper spring seat and lower spring cup block with described spring assembly to stop the upper gear of the spring reset of spring assembly
Edge and lower block edge.
The lower surface on upper gear edge is constituted for realizing the aperture periphery block with the spring spool perforation of described upper spring seat
The upper stopping surface of cooperation, the upper surface on lower block edge constitute be oppositely arranged with upper stopping surface for realizing and described lower spring cup
The lower stopping surface of the aperture periphery block cooperation of spring pull bar perforation.
Upper gear edge and lower block are constituted along by two parts, and the two parts on upper gear edge are relative respectively with the two parts on lower block edge to be set
Put in the left and right sidewall allowing bit port, described force head is included for the seaming chuck of top pressure upper spring seat with for bullet under top pressure
The push-down head of spring abutment, between the two parts on wherein upper gear edge, edge is formed for avoiding seaming chuck perpendicular to camber of spring direction
Avoid space, along the lower avoidance being formed perpendicular to camber of spring direction for avoiding push-down head between the two parts on described lower block edge
Space.
Keeper body is in u-shaped along the cross section perpendicular to camber of spring direction, and the two parts on upper gear edge are oppositely arranged on u
On the upper end of type keeper body two-arm, the two parts on lower block edge are oppositely arranged on the bottom of u-shaped keeper body two-arm
On, upper gear edge on keeper body and lower block along between space constitute described in allow bit port.
It is provided with seaming chuck for press-fiting protuberance with the arcuate groove of upper spring seat mates, described push-down head is provided with
For the positioning boss mating with the square opening of lower spring cup.
The invention has the beneficial effects as follows:
Compared to prior art, spring assembly assembly tooling involved in the present invention, become by adopting spring after camber of spring
Shape amount keeper keep deformation, it includes keeper body, keeper body is provided with for for spring assembly along perpendicular to
Camber of spring direction load and removal allow bit port, allow the upper and lower side of bit port be respectively arranged with the upper spring with spring assembly
Seat and lower spring cup block coordinate to stop upper gear edge and the lower block edge of spring reset, thus can lead to spring after deformation
Cross the lower deflection keeping spring of block effect on gear edge and lower block edge, and then facilitate the assembling of spring assembly, improve efficiency.
Further, upper gear is along the lower block with the aperture periphery bored a hole for the spring spool being fastened on upper spring seat
Face, lower block, can be in spring along the upper stopping surface with the aperture periphery bored a hole for the spring pull bar being fastened on lower spring cup
Install additional after compression avoid during spring deflection keeper drive sleeve and pull bar install position.
Further, upper gear edge, with lower block along being respectively set to relative two parts being extended, is set up separately corresponding
The both sides of aperture periphery, while ensureing to avoid spring spool and spring pull bar, both sides stress can be further ensured that to pressure
The stability of the holding of contracting amount.
Further, spring deflection keeper is set to the single piece in u-shaped section, u-shaped vallecular cavity is constituted allows bit space,
Make simpler, production and processing easily, can be mass-produced.
Further, described seaming chuck is provided for press-fit protuberance with the arcuate groove of upper spring seat mates, pushes
The positioning boss being mated with the square opening of lower spring cup is provided on head, can with the effect press-fiting protuberance by positioning boss
After ensureing camber of spring, its spring pull bar is consistent with the installation axially bored line on spring spool, convenient installation.
Brief description
Fig. 1 is the assembling structure schematic diagram of present invention spring assembly to be assembled；
Fig. 2 is the upper spring seat in Fig. 1, spring, the assembling structure schematic diagram of lower spring cup；
Fig. 3 is the assembling structure schematic diagram of the specific embodiment of the invention and spring assembly；
Fig. 4 is specific embodiment of the invention spring assembly assembly tooling structural representation；
Fig. 5 is the structural representation of seaming chuck in Fig. 4；
Fig. 6 is the structural representation of push-down head in Fig. 4；
Fig. 7 is the structural representation of spring deflection keeper in Fig. 4；
Fig. 8 is the assembling structure schematic diagram of spring assembly and spring deflection keeper.
Specific embodiment
Below in conjunction with the accompanying drawings embodiments of the present invention are described further.
The specific embodiment of spring assembly assembly tooling, as shown in Figures 3 to 8, this frock is arranged on and is fixed on forcing press
On frock installing plate 4 in press-mounting platform 5, frock includes seaming chuck 1, push-down head 3, keeper 2(are that spring deflection keeps
Part), seaming chuck is connected to and applies thrust to spring assembly on forcing press adaptor 9.Keeper 2 is along perpendicular to press-fiting direction
Section is in u-shaped, and it is formed by simple sheet metal component bending, on the upper end of the two-arm of the u-shaped of this keeper 2 is relatively extended and has
Gear two parts along 21, bottom is extended the two parts having lower block along 22 relatively, and upper gear is fastened on upper spring seat 8 along 21
Spring spool perforation aperture periphery place, lower block along the 22 spring pull bars perforation being arranged on lower spring cup 6 aperture peripheral at.
Upper gear constitutes the bit port that allows for loading or removing spring assembly along 21 and lower block along the u-shaped intracavity space between 22.
On the upper spring seat 8 of spring assembly, it is included for being connected to the company on pressure adaptor 9 seaming chuck 1 top pressure
Socket part 101 and connection transmit the compressed part 102 of thrust with connecting portion to upper end cover, compressed part are provided with and upper spring seat 8
Say the arcuate groove 81 of that size coupling press-fit protuberance 103.
On the lower spring cup 6 of spring assembly, push-down head 3 includes base 31 and is arranged on base simultaneously push-down head 3 top pressure
The upwardly extending block 32 to corresponding two circular arcs, base 31 by two arc surfaces being oppositely arranged and connects two circles
The plane of cambered surface is constituted, and block 32 setting is oppositely arranged on the place side of arc surface, and two circular arc type blocks extend composition
The internal diameter of annulus is consistent with the diameter of spring, arranges with the inwall upper end of one of block 32 homonymy accordingly in keeper
There is clamp 23, the consistency of thickness of the thickness of this clamp 23 and block 32, ensure that card-bit part enters to the spring assembly after compression with this
During row clamp, spring assembly screens puts in place.Upper gear forms the avoidance space avoiding seaming chuck 1, lower block edge along between 21 two parts
Form the avoidance space avoiding push-down head 3 between 22 two parts.
Base 31 is provided with for snap fitted to lower spring cup 6 square opening in locating convex block 33, this locating convex block
In side corresponding with square opening on 33 perpendicular to spring pull bar 11 installing hole 1101 axis direction side and seaming chuck 1
On press-fit protuberance 103 axis direction vertical, to ensure the side in the compression assembling process of spring assembly, on spring pull bar
The axis in shape hole is consistent with the axis of the installing hole on spring spool.
During use, spring spool and spring pull bar are taken off, spring assembly is compressed, by the push-down head of this frock even
Connect frock installing plate to be fixed by screws on forcing press transfer platform, spring assembly is placed on two circular arcs on push-down head
Between shape baffle plate, and adjust the direction of the arcuate groove on lower spring cup and upper spring seat, to ensure the circular hole of spring pull bar, upper bullet
Circular hole three's axis of the arcuate groove of spring abutment and spring spool, to parallel, drives seaming chuck to be downwardly applied to press by operating pressure machine
Clamp force, when spring assembly is compressed to designated length, keeper be may be provided on the upper and lower spring base of spring assembly, that is, completes
Spring press-fit process；Then forcing press is set back, the spring assembly with keeper is taken off, from its two ends by spring
Pull bar and spring spool insertion, the spring assembly assembling are assembled to two extension spring ends of operating mechanism, and manual energy storage makes bullet
Spring is compressed to the length before being slightly less than assembling, now can take off keeper, complete the assembling process of spring.
In the assembling process of this frock, the lower spring cup to spring assembly and upper spring seat is needed to position, thus,
The locating convex block being mated with square opening is arranged on push-down head, what setting was mated with arcuate groove on seaming chuck press-fits protuberance,
During press-fiting, press-fiting protuberance can carry out position correction by the cooperation with arcuate groove to it, thus completing to position.
In other embodiments, spring assembly can be tension spring component, after spring elongation, keeper is fastened on extension spring
On the arm-tie at assembly two ends, to prevent spring from setting back, block direction is disposed opposite to each other, and the upper surface on upper gear edge constitutes upper block
Face, the lower surface on lower block edge constitutes lower stopping surface, the holding of achievable spring deflection.
In other embodiments, upper gear edge and lower block are only one of in u-shaped keeper body along being respectively set to
A part for setting on the wall of side, it forms the avoidance space avoiding force head and another u-shaped arm of keeper between.
In other embodiments, keeper could be arranged to have upper gear edge and lower block along and have and load for spring assembly
With the other shapes allowing bit port of removal, such as c type, its both ends directly constitutes stop section, and on stop section, setting is along vertical
In the open slot of force direction, and the vallecular cavity of c type collectively forms and allows bit port.
In other embodiments, base can be not provided with block, or the covering spring that block is set to extend up and down is whole
The structure of body, preferably ensures the guiding accuracy in spring-compressed direction.
In other embodiments, upper gear edge and lower block edge may be provided in the vallecular cavity of u-shaped keeper body.
In spring deflection keeper involved in the present invention, its specific embodiment and above-mentioned spring assembly assembly tooling
The specific embodiment of spring deflection keeper is consistent, is no longer developed in details in.
Claims (9)
1. spring deflection keeper it is characterised in that: include keeper body, keeper body is provided with for supplying spring
Assembly along load perpendicular to camber of spring direction and removal allow bit port, allow the upper and lower side of bit port be separately provided for
The upper spring seat of described spring assembly and lower spring cup block cooperation with stop spring assembly spring reset upper gear edge and under
Gear edge.
2. spring deflection keeper according to claim 1 it is characterised in that: the lower surface on described upper gear edge is constituted to be used
In the upper stopping surface realizing the aperture periphery block cooperation bored a hole with the spring spool of described upper spring seat, the upper surface on lower block edge
Constitute the aperture periphery block for realization and the spring pull bar perforation of described lower spring cup being oppositely arranged with upper stopping surface to join
The lower stopping surface closing.
3. spring deflection keeper according to claim 2 it is characterised in that: described upper gear edge and lower block are along by two
Part is constituted, the two parts on upper gear edge and the two parts on lower block edge be oppositely arranged on respectively allow bit port left and right sidewall on, its
In upper gear edge two parts between along the upper avoidance space being formed perpendicular to camber of spring direction for avoiding seaming chuck, described under
Along the lower avoidance space being formed perpendicular to camber of spring direction for avoiding push-down head between the two parts on gear edge.
4. spring deflection keeper according to claim 3 it is characterised in that: described keeper body is along perpendicular to bullet
The cross section of spring deformation direction is in u-shaped, and the two parts on upper gear edge are oppositely arranged on the upper end of u-shaped keeper body two-arm,
The two parts on lower block edge are oppositely arranged on the bottom of u-shaped keeper body two-arm, the upper gear edge on keeper body and under
Gear along between space constitute described in allow bit port.
5. spring assembly assembly tooling it is characterised in that: described frock includes spring deflection keeper and for groups of springs
Part to apply active force and so that it is stretched or compression force head, described spring deflection keeper includes keeper body,
Be provided with keeper body for for spring assembly along load perpendicular to camber of spring direction and removal allow bit port, step down
The upper and lower side of passage is separately provided for upper spring seat with described spring assembly and lower spring cup block coordinates to stop bullet
The upper gear edge of the spring reset of spring assembly and lower block edge.
6. spring assembly assembly tooling according to claim 5 it is characterised in that: the lower surface on described upper gear edge is constituted to be used
In the upper stopping surface realizing the aperture periphery block cooperation bored a hole with the spring spool of described upper spring seat, the upper surface on lower block edge
Constitute the aperture periphery block for realization and the spring pull bar perforation of described lower spring cup being oppositely arranged with upper stopping surface to join
The lower stopping surface closing.
7. spring assembly assembly tooling according to claim 6 it is characterised in that: described upper gear edge and lower block are along by two
Part is constituted, the two parts on upper gear edge and the two parts on lower block edge be oppositely arranged on respectively allow bit port left and right sidewall on, institute
State force head and include the seaming chuck for top pressure upper spring seat and the push-down head for top pressure lower spring cup, wherein above keep off the two of edge
Along the upper avoidance space being formed perpendicular to camber of spring direction for avoiding seaming chuck, the two parts on described lower block edge between part
Between along the lower avoidance space being formed perpendicular to camber of spring direction for avoiding push-down head.
8. spring assembly assembly tooling according to claim 7 it is characterised in that: described keeper body is along perpendicular to bullet
The cross section of spring deformation direction is in u-shaped, and the two parts on upper gear edge are oppositely arranged on the upper end of u-shaped keeper body two-arm,
The two parts on lower block edge are oppositely arranged on the bottom of u-shaped keeper body two-arm, the upper gear edge on keeper body and under
Gear along between space constitute described in allow bit port.
9. spring assembly assembly tooling according to claim 7 it is characterised in that: be provided with described seaming chuck for
The arcuate groove coupling of upper spring seat press-fit protuberance, described push-down head is provided with for mating with the square opening of lower spring cup
Positioning boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610892957.0A CN106346418B (en) | 2016-10-13 | 2016-10-13 | Spring assembly assembly tooling and its spring deflection holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610892957.0A CN106346418B (en) | 2016-10-13 | 2016-10-13 | Spring assembly assembly tooling and its spring deflection holder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106346418A true CN106346418A (en) | 2017-01-25 |
| CN106346418B CN106346418B (en) | 2018-07-27 |
Family
ID=57866573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610892957.0A Active CN106346418B (en) | 2016-10-13 | 2016-10-13 | Spring assembly assembly tooling and its spring deflection holder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106346418B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108470653A (en) * | 2018-05-10 | 2018-08-31 | 河南森源电气股份有限公司 | Breaker spring assembles device |
| CN108511237A (en) * | 2018-05-23 | 2018-09-07 | 河南森源电气股份有限公司 | A kind of earthing switch assembling jig for spring |
| CN109514500A (en) * | 2018-12-13 | 2019-03-26 | 淮海工业集团有限公司 | A kind of quick spring closing assembly tool |
| CN110285168A (en) * | 2019-05-15 | 2019-09-27 | 上海电器科学研究院 | A kind of energy storage compressed spring mounting structure |
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|---|---|---|---|---|
| US4516303A (en) * | 1983-03-16 | 1985-05-14 | Kloster Kenneth D | Spring compressor |
| CN2386525Y (en) * | 1999-08-23 | 2000-07-05 | 绍兴电力设备成套公司 | Rotatable contact holding spring for high voltage vacuum switch |
| EP1477279A2 (en) * | 2003-05-10 | 2004-11-17 | Hazet-Werk Hermann Zerver GmbH & Co. KG | Jaw for spring tensioner |
| CN201092031Y (en) * | 2007-11-05 | 2008-07-30 | 攀枝花新钢钒股份有限公司 | Auxiliary device for spring mounting |
| CN204546452U (en) * | 2015-03-02 | 2015-08-12 | 广西防城港核电有限公司 | Air lock door spring regulating device |
| CN105856162A (en) * | 2016-06-21 | 2016-08-17 | 中航成飞民用飞机有限责任公司 | Compression spring mounting tool |
-
2016
- 2016-10-13 CN CN201610892957.0A patent/CN106346418B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4516303A (en) * | 1983-03-16 | 1985-05-14 | Kloster Kenneth D | Spring compressor |
| CN2386525Y (en) * | 1999-08-23 | 2000-07-05 | 绍兴电力设备成套公司 | Rotatable contact holding spring for high voltage vacuum switch |
| EP1477279A2 (en) * | 2003-05-10 | 2004-11-17 | Hazet-Werk Hermann Zerver GmbH & Co. KG | Jaw for spring tensioner |
| CN201092031Y (en) * | 2007-11-05 | 2008-07-30 | 攀枝花新钢钒股份有限公司 | Auxiliary device for spring mounting |
| CN204546452U (en) * | 2015-03-02 | 2015-08-12 | 广西防城港核电有限公司 | Air lock door spring regulating device |
| CN105856162A (en) * | 2016-06-21 | 2016-08-17 | 中航成飞民用飞机有限责任公司 | Compression spring mounting tool |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108470653A (en) * | 2018-05-10 | 2018-08-31 | 河南森源电气股份有限公司 | Breaker spring assembles device |
| CN108470653B (en) * | 2018-05-10 | 2023-08-15 | 河南森源电气股份有限公司 | Circuit breaker spring assembly quality |
| CN108511237A (en) * | 2018-05-23 | 2018-09-07 | 河南森源电气股份有限公司 | A kind of earthing switch assembling jig for spring |
| CN109514500A (en) * | 2018-12-13 | 2019-03-26 | 淮海工业集团有限公司 | A kind of quick spring closing assembly tool |
| CN110285168A (en) * | 2019-05-15 | 2019-09-27 | 上海电器科学研究院 | A kind of energy storage compressed spring mounting structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106346418B (en) | 2018-07-27 |
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