CN208826544U - A kind of trolley type breaker energy storage spring assembling/disassembling tool - Google Patents
A kind of trolley type breaker energy storage spring assembling/disassembling tool Download PDFInfo
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- CN208826544U CN208826544U CN201821429407.6U CN201821429407U CN208826544U CN 208826544 U CN208826544 U CN 208826544U CN 201821429407 U CN201821429407 U CN 201821429407U CN 208826544 U CN208826544 U CN 208826544U
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- energy storage
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Abstract
The utility model discloses a kind of trolley type breaker energy storage spring assembling/disassembling tools, including connector, connector is equipped with handlebar, support rod and hook bar, the support rod and connector are rotatablely connected, it links up with bar and connector is rotatablely connected, the support rod setting is between handlebar and hook bar, and hook bar is equipped with the gib head being adapted to energy-stored spring axis, and support rod is equipped with the supporting block with energy-stored spring contacts baseplate.The utility model provides a kind of trolley type breaker energy storage spring assembling/disassembling tool, has dismantling device structure simple, manufacturing cost is low；The advantages that assembly and disassembly methods are simple, and disassembly efficiency is high, not will cause the damage of spring appearance.
Description
Technical field
The utility model relates to electric power apparatus examination technical field of tools, more particularly, to a kind of trolley type breaker energy storage
Spring assembling/disassembling tool.
Background technique
Important composition equipment of the switchgear as electric system is widely used in various substations, power plant, large-scale enterprise
The places such as industry play vital effect in the daily life of industrial production and the people, and breaker is as in switchgear
Important component part, stable operation is most important, therefore its maintenance repair, test are essential.Breaker is load
One kind of switch has short circuit and overload protection function.Breaker can frequently carry out breaking-closing operating in day-to-day operation, such as
This frequent operation frequently result in breaker mechanism failure, auxiliary switch travel position it is improper, protection control device failure, close a floodgate connect
, there is event so as to cause breaker closing coil burnout and energy storage motor in the failures such as tentaculum and the decline of power switch capacity
Barrier.Trolley type breaker is one kind of switchgear, energy-stored spring is equipped in trolley type breaker, energy-stored spring can generate larger
Elastic force, realize breaker quick disconnection close, avoid closing speed from generating electric spark more slowly.In replacement closing coil and energy storage
When motor, needing to remove breaker energy storage spring more convenient could be repaired.Currently, for dismounting breaker in switchgear
The apparatus structure of spring is complicated, inconvenience operates, is excessively heavy and inconvenient to carry, and these problems will lead to operation error, effect
The problems such as rate is low.Most importantly, existing device needs to block spring appearance by larger external force when dismounting spring
Face, will cause the damage of spring appearance in this way and non-clamping landing causes security risk.Therefore, it is disconnected to develop a kind of trolley type for urgent need
Road device energy-stored spring dismantling device, to facilitate carry out maintenance repair.
Chinese patent application publication number CN105291048A, publication date are on 03 15th, 2017, a kind of entitled " electric power
Breaker spring provision for disengagement " discloses a kind of power circuit breaker spring dismounting device, including wraping plate, support rod, adjusting rod；
The wraping plate is equipped with two, and the wraping plate front end is equipped with pointed sword head, and the wraping plate front center is equipped with " u "-shaped groove, described
Wraping plate is equipped with first through hole, and the rear end of the wraping plate is equipped with shaft, and the shaft end is equipped with the first external screw thread；The support
Bar includes screw rod, pre-load nut, compressed spring, bulb sliding block, ball nut；The adjusting rod includes being located on the shaft
Joint spindle nose, the pitman being movably connected between two joint spindle nose, the joint spindle nose include inner ring, outer ring, connecting rod, institute
State the stop nut being additionally provided on the first external screw thread of shaft end for limiting the joint spindle nose.The apparatus structure is complicated,
Disassembly process is cumbersome, and can not be suitable for the dismounting of trolley type breaker energy storage spring.
Summary of the invention
The utility model in order to overcome the shortcomings in the prior art, provides a kind of trolley type breaker energy storage spring dismounting work
Tool has dismantling device structure simple, and manufacturing cost is low；Assembly and disassembly methods are simple, and disassembly efficiency is high, not will cause outside energy-stored spring
The advantages that table damages.
To achieve the goals above, the utility model uses following technical scheme:
A kind of trolley type breaker energy storage spring assembling/disassembling tool, including connector, connector are equipped with handlebar, support rod
With hook bar, the support rod and connector are rotatablely connected, and hook bar and connector are rotatablely connected, and the support rod is arranged in hand
Between shank and hook bar, hook bar is equipped with the gib head being adapted to energy-stored spring axis, and support rod is equipped with and energy-stored spring bottom
The supporting block of plate contact.By implementing above-mentioned technical proposal, may be implemented to store up the energy storage of trolley type breaker using the tool
It can spring progress fast assembling-disassembling.Between handlebar and hook bar, supporting block is arranged in support rod end for the support rod setting,
Gib head setting is in hook bar end.The energy-stored spring bottom is equipped with energy-stored spring bottom plate, and energy-stored spring passes through energy-stored spring bottom
Plate is connect with the other parts of breaker, and energy-stored spring bottom plate is connect with other parts by bolt.When being dismantled, first
The support rod of tool is inserted into energy-stored spring, the supporting block of support rod front end is against on energy-stored spring bottom plate, then utilizes extension
Shank tangles the energy-stored spring axis on connection energy-stored spring top；Finally handlebar is pressed downward, extends energy-stored spring, it can
Energy-stored spring bottom latch is removed, spring is removed.Compressive state, energy-stored spring itself are in when energy-stored spring is mounted on machine
Elastic force make energy-stored spring bottom plate and pin shaft clamping, can not extract；Dismantling device can make the elastic force for offsetting energy-stored spring itself,
So that the clamping force between energy-stored spring bottom plate and pin shaft is disappeared, realizes fast assembling-disassembling.
Preferably, the elastic-friction part that the handlebar is equipped with convenient for holding, the elastic-friction part is equipped with and rubs
Wipe decorative pattern.
Preferably, the handlebar is equipped with reinforcing rib, the first reinforcing rib is arranged in handlebar and connector junction
Near.Since support handle bar is fixedly connected with connector, in use, handlebar is by bending stress, handlebar and connector
The stress that junction is subject to is maximum, and the reinforcing rib can increase junction intensity.Support rod and the connection for linking up with bar and connector
For rotation connection, not stress by bending substantially, no setting is required reinforcing rib.
Preferably, the supporting block is equipped with the card slot being clamped with energy-stored spring bottom plate protrusion.The structure can be
It is clamped when dismounting energy-stored spring with energy-stored spring bottom plate protrusion, guarantees that support rod will not slide, increase the reliability of disassembly process.
Preferably, the support rod includes rotational segment and supporting section, the rotational segment and supporting section are threadedly coupled, described
Rotational segment and connector are rotatablely connected.Rotational segment and supporting section releasable connection may be implemented by the structure, it can be according to storage
The actual size of energy spring replaces supporting section, increases the scope of application of equipment.
Preferably, the supporting section is equipped with external thread section, rotational segment is equipped with threaded hole, the external thread section and spiral shell
Pit is threadedly engaged, and thread segment is equipped with adjusting nut, and the adjusting nut is contacted with rotational segment.Due to the rotational segment and branch
It supports section to be threadedly coupled, supporting block angular deviation is likely to occur after connection, may be implemented by the structure to supporting section angle tune
Section, also adjustable supporting section screws in the length of threaded hole.The adjusting nut can be adjusted in supporting section and rotational segment and be completed
After locked, the structure is also possible to supporting section equipped with threaded hole, and rotational segment is equipped with thread segment, and thread segment is equipped with
Adjusting nut, effect are identical as structure described in the former.
Preferably, the connector is equipped with the first connecting hole and the second connecting hole, the support rod is equipped with third
Connecting hole, hook bar are equipped with the 4th connecting hole, and first connecting hole is equipped with first rotating shaft, and the second connecting hole is equipped with the
Two shafts, first rotating shaft pass through third connecting hole, and the second shaft passes through the 4th connecting hole；The first rotating shaft includes being sequentially connected
The first limit section, the first light bar segment and the first thread segment, the first thread segment is equipped with the first locking nut, first connection
Hole and the setting of third connecting hole are between the first limit section and the first locking nut；Second shaft include second limit section,
Second light bar segment and the second thread segment, the second thread segment are equipped with the second locking nut, second connecting hole and the 4th connection
Hole setting is between the second limit section and the second locking nut.By implementing above-mentioned technical proposal, support rod and company may be implemented
Fitting is removably rotatablely connected, and hook bar is removably rotatablely connected with connector, can according to need replacement hook
Bar and support rod.
Preferably, the connector be equipped with the first connecting hole, the first rotation slot, the 5th connecting hole, the second connecting hole,
Second rotation slot and the 6th connecting hole, the center overlapping of axles of the central axis of the first connecting hole and the 5th connecting hole, the first rotation slot
It is arranged between the first connecting hole and the 5th connecting hole, the central axis of the second connecting hole and the center overlapping of axles of the 6th connecting hole,
Second rotation slot is arranged between the second connecting hole and the 6th connecting hole, and the support rod is equipped with third connecting hole, links up with bar
Be equipped with the 4th connecting hole, first connecting hole be equipped with first rotating shaft, the second connecting hole be equipped with the second shaft, first turn
Axis sequentially passes through the first connecting hole, third connecting hole and the 5th connecting hole, and the second shaft sequentially passes through the second connecting hole, the 4th company
Connect hole and the 6th connecting hole；The first rotating shaft includes sequentially connected first limit section, the first light bar segment and the first thread segment,
First thread segment is equipped with the first locking nut, and first connecting hole, third connecting hole and the 5th connecting hole are arranged first
It limits between section and the first locking nut；Second shaft includes the second limit section, the second light bar segment and the second thread segment, the
Two thread segments are equipped with the second locking nut, and second connecting hole, the 4th connecting hole and the setting of the 6th connecting hole are in the second limit
Between position section and the second locking nut.By implementing above-mentioned technical proposal, support rod may be implemented and removably turn with connector
Dynamic connection, and hook bar are removably rotatablely connected with connector, can according to need replacement hook bar and support rod.It is described
First rotation slot and the second rotation slot can make support rod and hook bar rotation more firm.
The beneficial effects of the utility model are: (1) structure is simple, manufacturing cost is low；(2) assembly and disassembly methods are simple, dismounting effect
Rate is high；(3) damage of spring appearance is not will cause；(4) it is adapted to the dismounting of various sizes of energy-stored spring.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of support rod in the utility model；
Fig. 3 is the structural schematic diagram that bar is linked up in the utility model；
Fig. 4 is the structural schematic diagram of support rod and connector rotation connection in embodiment 2；
Fig. 5 is the structural schematic diagram that bar and connector rotation connection are linked up in embodiment 2；
Fig. 6 is the structural schematic diagram of support rod and connector rotation connection in embodiment 3；
Fig. 7 is the structural schematic diagram that bar and connector rotation connection are linked up in embodiment 3.
In figure: connector 1, the first connecting hole 1.1, the second connecting hole 1.2, the 5th connecting hole 1.3, the 6th connecting hole 1.4,
First rotation slot 1.5, the second rotation slot 1.6, handlebar 2, support rod 3, rotational segment 3.1, supporting section 3.2, supporting block 3.3, card
Slot 3.4, external thread section 3.5, threaded hole 3.6, third connecting hole 3.7, hook bar 4, gib head 4.1, the 4th connecting hole 4.2, elasticity
Friction member 5, reinforcing rib 6, adjusting nut 7, first rotating shaft 8, first limit section 8.1, the first light bar segment 8.2, the first thread segment
8.3, the second shaft 9, second limit section 9.1, the second light bar segment 9.2, the second thread segment 9.3, the first locking nut 10, second lock
Tight nut 11.
Specific embodiment
The utility model is further described in the following with reference to the drawings and specific embodiments.
Embodiment 1:
As shown in Figure 1, Figure 2 and Figure 3, a kind of trolley type breaker energy storage spring assembling/disassembling tool, including connector 1, connection
Part 1 is equipped with handlebar 2, support rod 3 and hook bar 4, the support rod 3 and is rotatablely connected with connector 1, hook bar 4 with connect
Part 1 is rotatablely connected, and handlebar 2 and connector 1 are fixed, and the setting of support rod 3 links up with bar between handlebar 2 and hook bar 4
4 are equipped with the gib head 4.1 being adapted to energy-stored spring axis, and support rod 3 is equipped with the supporting block 3.3 with energy-stored spring contacts baseplate.
By implementing above-mentioned technical proposal, may be implemented quickly to be torn open using energy storage energy-stored spring of the tool to trolley type breaker
Dress.The setting of support rod 3 is between handlebar 2 and hook bar 4, and supporting block 3.3 is arranged in 3 end of support rod, and gib head 4.1 is set
It sets in hook 4 end of bar.The energy-stored spring bottom is equipped with energy-stored spring bottom plate, and energy-stored spring is by energy-stored spring bottom plate and breaks
The other part connections of road device, energy-stored spring bottom plate are connect with other parts by bolt.When being dismantled, first by tool
Support rod 3 be inserted into energy-stored spring, the supporting block 3.3 of 3 front end of support rod is against in energy-stored spring bottom base panel, is then utilized
Hook bar 4 tangles the energy-stored spring axis on connection energy-stored spring top；Finally handlebar 2 is pressed downward, extends energy-stored spring, just
Energy-stored spring bottom latch can be removed, spring is removed.Compressive state, energy-stored spring are in when energy-stored spring is mounted on machine
The elastic force of itself makes spring bottom plate and pin shaft clamping, can not extract；Dismantling device can make the elastic force for offsetting energy-stored spring itself,
So that the clamping force between energy-stored spring bottom plate and pin shaft is disappeared, realizes fast assembling-disassembling.
The elastic-friction part 5 that the handlebar 2 is equipped with convenient for holding, the elastic-friction part 5 are equipped with friction decorative pattern.
The handlebar 2 is equipped with reinforcing rib 6, and the setting of the first reinforcing rib 6 is near handlebar 2 and 1 junction of connector.
Since support handle bar 2 is fixedly connected with connector 1, in use, handlebar 2 is by bending stress, handlebar 2 and connector 1
The stress that junction is subject to is maximum, and the reinforcing rib 6 can increase junction intensity.Support rod 3 and hook bar 4 and connector 1
It is connected as being rotatablely connected, substantially not stress by bending, no setting is required reinforcing rib 6.
The supporting block 3.3 is equipped with the card slot 3.4 being clamped with energy-stored spring bottom plate protrusion.The structure can dismount
It is clamped when energy-stored spring with energy-stored spring bottom plate protrusion, guarantees that support rod 3 will not slide, increase the reliability of disassembly process.
The support rod 3 includes rotational segment 3.1 and supporting section 3.2, and the rotational segment 3.1 and supporting section 3.2 are threadedly coupled,
The rotational segment 3.1 is rotatablely connected with connector 1.Rotational segment 3.1 and the removable company of supporting section 3.2 may be implemented by the structure
It connects, supporting section 3.2 can be replaced according to the actual size of energy-stored spring, increase the scope of application of equipment.
The supporting section 3.2 is equipped with external thread section 3.5, and rotational segment 3.1 is equipped with threaded hole 3.6, the external thread section
3.5 are threadedly engaged with threaded hole 3.6, and supporting section 3.2 is equipped with adjusting nut 7, and the adjusting nut 7 is contacted with rotational segment 3.1.
Since the rotational segment 3.1 and supporting section 3.2 are threadedly coupled, 3.3 angular deviation of supporting block is likely to occur after connection, by described
Structure may be implemented to 3.2 angular adjustment of supporting section, and also adjustable supporting section 3.2 screws in the length of threaded hole 3.6.The tune
Section nut 7 can be locked after the completion of supporting section 3.2 is adjusted with rotational segment 3.1.
Embodiment 2:
As shown in Figure 4 and Figure 5, on the basis of embodiment 1, the connector 1 is equipped with the first connecting hole 1.1 and second
Connecting hole 1.2, the support rod 3 be equipped with third connecting hole 3.7, hook bar 4 be equipped with the 4th connecting hole 4.2, described first
Connecting hole 1.1 is equipped with first rotating shaft 8, and the second connecting hole 1.2 is equipped with the second shaft 9, and first rotating shaft 8 passes through third connecting hole
3.7, the second shaft 9 passes through the 4th connecting hole 4.2；The first rotating shaft 8 includes sequentially connected first limit section 8.1, first
Light bar segment 8.2 and the first thread segment 8.3, the first thread segment 8.3 are equipped with the first locking nut 10, first connecting hole 1.1
And the setting of third connecting hole 3.7 is between the first limit section 8.1 and the first locking nut 10；Second shaft 9 includes second
Section 9.1, the second light bar segment 9.2 and the second thread segment 9.3 are limited, the second thread segment 9.3 is equipped with the second locking nut 11, described
Second connecting hole 1.2 and the setting of the 4th connecting hole 4.2 are between the second limit section 9.1 and the second locking nut 11.Pass through implementation
Above-mentioned technical proposal, may be implemented support rod 3 and connector 1 is removably rotatablely connected, and hook bar 4 and connector 1 can
The rotation connection of disassembly can according to need replacement hook bar 4 and support rod 3.
Embodiment 3:
As shown in Figure 6 and Figure 7, on the basis of embodiment 1, the connector 1 is equipped with the first connecting hole 1.1, first
Rotation slot 1.5, the 5th connecting hole 1.3, the second connecting hole 1.2, the second rotation slot 1.6 and the 6th connecting hole 1.4, the first connecting hole
The center overlapping of axles of 1.1 central axis and the 5th connecting hole 1.3, the first rotation slot 1.5 are arranged in the first connecting hole 1.1 and the 5th
Between connecting hole 1.3, the central axis of the second connecting hole 1.2 and the center overlapping of axles of the 6th connecting hole 1.4, the second rotation slot 1.6
It is arranged between the second connecting hole 1.2 and the 6th connecting hole 1.4, the support rod 3 is equipped with third connecting hole 3.7, links up with bar 4
It is equipped with the 4th connecting hole 4.2, first connecting hole 1.1 is equipped with first rotating shaft 8, and the second connecting hole 1.2 is equipped with second
Shaft 9, first rotating shaft 8 sequentially pass through the first connecting hole 1.1, third connecting hole 3.7 and the 5th connecting hole 1.3, the second shaft 9 according to
It is secondary to pass through the second connecting hole 1.2, the 4th connecting hole 4.2 and the 6th connecting hole 1.4；The first rotating shaft 8 includes sequentially connected
First limit section 8.1, the first light bar segment 8.2 and the first thread segment 8.3, the first thread segment 8.3 are equipped with the first locking nut 10,
First connecting hole 1.1, third connecting hole 3.7 and the setting of the 5th connecting hole 1.3 are in the first limit section 8.1 and the first locking screw
Between mother 10；Second shaft 9 includes the second limit section 9.1, the second light bar segment 9.2 and the second thread segment 9.3, the second screw thread
Section 9.3 is equipped with the second locking nut 11, second connecting hole 1.2, the 4th connecting hole 4.2 and the setting of the 6th connecting hole 1.4
Between the second limit section 9.1 and the second locking nut 11.By implementing above-mentioned technical proposal, support rod 3 may be implemented and connecting
Fitting 1 is removably rotatablely connected, and hook bar 4 and connector 1 are removably rotatablely connected, and be can according to need replacement and are hung
Shank 4 and support rod 3.First rotation slot 1.5 and the second rotation slot 1.6 can make support rod 3 and the rotation of hook bar 4 more
It is firm.
The beneficial effects of the utility model are: structure is simple, manufacturing cost is low；Assembly and disassembly methods are simple, and disassembly efficiency is high；No
It will cause the damage of spring appearance；It is adapted to the dismounting of various sizes of energy-stored spring.
Claims (7)
1. a kind of trolley type breaker energy storage spring assembling/disassembling tool, characterized in that including connector, connector is equipped with handle
Bar, support rod and hook bar, the support rod and connector are rotatablely connected, and hook bar and connector are rotatablely connected, the support
Between handlebar and hook bar, hook bar is equipped with the gib head that be adapted to energy-stored spring axis for bar setting, support rod equipped with
The supporting block of energy-stored spring contacts baseplate.
2. a kind of trolley type breaker energy storage spring assembling/disassembling tool according to claim 1, characterized in that the handlebar
It is equipped with the elastic-friction part convenient for holding, the elastic-friction part is equipped with friction decorative pattern.
3. a kind of trolley type breaker energy storage spring assembling/disassembling tool according to claim 1, characterized in that the supporting block
It is equipped with the card slot being clamped with energy-stored spring bottom plate protrusion.
4. a kind of trolley type breaker energy storage spring assembling/disassembling tool according to claim 1 or 2 or 3, characterized in that described
Support rod includes rotational segment and supporting section, and the rotational segment and supporting section are threadedly coupled, and the rotational segment and connector rotation connect
It connects.
5. a kind of trolley type breaker energy storage spring assembling/disassembling tool according to claim 4, characterized in that the supporting section
It is equipped with thread segment, rotational segment is equipped with threaded hole, and the thread segment is threadedly engaged with threaded hole, and thread segment, which is equipped with, adjusts spiral shell
Mother, the adjusting nut are contacted with rotational segment.
6. a kind of trolley type breaker energy storage spring assembling/disassembling tool according to claim 1 or 2 or 3, characterized in that described
Connector is equipped with the first connecting hole and the second connecting hole, and the support rod is equipped with third connecting hole, and hook bar is equipped with the
Four connecting holes, first connecting hole are equipped with first rotating shaft, and the second connecting hole is equipped with the second shaft, and first rotating shaft passes through the
Three connecting holes, the second shaft pass through the 4th connecting hole；The first rotating shaft includes sequentially connected first limit section, the first polished rod
Section and the first thread segment, the first thread segment are equipped with the first locking nut, and first connecting hole and the setting of third connecting hole exist
Between first limit section and the first locking nut；Second shaft includes the second limit section, the second light bar segment and the second screw thread
Section, the second thread segment be equipped with the second locking nut, second connecting hole and the 4th connecting hole setting second limit section and
Between second locking nut.
7. a kind of trolley type breaker energy storage spring assembling/disassembling tool according to claim 1 or 2 or 3, characterized in that described
Connector is equipped with the first connecting hole, the first rotation slot, the 5th connecting hole, the second connecting hole, the second rotation slot and the 6th connection
Hole, the center overlapping of axles of the central axis of the first connecting hole and the 5th connecting hole, the setting of the first rotation slot is in the first connecting hole and the
Between five connecting holes, the center overlapping of axles of the central axis of the second connecting hole and the 6th connecting hole, the second rotation slot is arranged second
Between connecting hole and the 6th connecting hole, the support rod is equipped with third connecting hole, and hook bar is equipped with the 4th connecting hole, described
First connecting hole be equipped with first rotating shaft, the second connecting hole be equipped with the second shaft, first rotating shaft sequentially pass through the first connecting hole,
Third connecting hole and the 5th connecting hole, the second shaft sequentially pass through the second connecting hole, the 4th connecting hole and the 6th connecting hole；It is described
First rotating shaft includes that sequentially connected first limit section, the first light bar segment and the first thread segment, the first thread segment are equipped with first
Locking nut, first connecting hole, third connecting hole and the setting of the 5th connecting hole are in the first limit section and the first locking nut
Between；Second shaft includes the second limit section, the second light bar segment and the second thread segment, and the second thread segment is equipped with the second lock
Tight nut, second connecting hole, the 4th connecting hole and the 6th connecting hole setting second limit section and the second locking nut it
Between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821429407.6U CN208826544U (en) | 2018-08-31 | 2018-08-31 | A kind of trolley type breaker energy storage spring assembling/disassembling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821429407.6U CN208826544U (en) | 2018-08-31 | 2018-08-31 | A kind of trolley type breaker energy storage spring assembling/disassembling tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208826544U true CN208826544U (en) | 2019-05-07 |
Family
ID=66311650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821429407.6U Expired - Fee Related CN208826544U (en) | 2018-08-31 | 2018-08-31 | A kind of trolley type breaker energy storage spring assembling/disassembling tool |
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| Country | Link |
|---|---|
| CN (1) | CN208826544U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109465782A (en) * | 2018-08-31 | 2019-03-15 | 国家电网有限公司 | A kind of trolley type breaker energy storage spring attaching/detaching apparatus and method |
| CN111496742A (en) * | 2020-04-29 | 2020-08-07 | 中车青岛四方机车车辆股份有限公司 | Mounting device and mounting method for air spring auxiliary spring |
-
2018
- 2018-08-31 CN CN201821429407.6U patent/CN208826544U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109465782A (en) * | 2018-08-31 | 2019-03-15 | 国家电网有限公司 | A kind of trolley type breaker energy storage spring attaching/detaching apparatus and method |
| CN111496742A (en) * | 2020-04-29 | 2020-08-07 | 中车青岛四方机车车辆股份有限公司 | Mounting device and mounting method for air spring auxiliary spring |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190507 Termination date: 20200831 |
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| CF01 | Termination of patent right due to non-payment of annual fee |