CN104852303B - Combination auxiliary device for switch cabinet - Google Patents
Combination auxiliary device for switch cabinet Download PDFInfo
- Publication number
- CN104852303B CN104852303B CN201510311573.0A CN201510311573A CN104852303B CN 104852303 B CN104852303 B CN 104852303B CN 201510311573 A CN201510311573 A CN 201510311573A CN 104852303 B CN104852303 B CN 104852303B
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- Prior art keywords
- switch cabinet
- crossbeam
- leading screw
- clamping
- fixed seat
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- Expired - Fee Related
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- 230000007246 mechanism Effects 0.000 claims abstract description 37
- 230000003287 optical effect Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 210000004247 hand Anatomy 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 5
- 230000001360 synchronised effect Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Trip Switchboards (AREA)
- Patch Boards (AREA)
Abstract
The invention proposes a combination auxiliary device for a switch cabinet, and mainly solves problems that the switch cabinet is liable to be damaged by manual prizing through a thick stick and the efficiency of construction is lower during the combination of the switch cabinet in the prior art. The device comprises a positioning locking mechanism, a travelling mechanism, and a cross beam. The positioning locking mechanism comprises a clamping positioning plate and a screw. The screw is provided with two screw parts which are in opposite rotation directions, and drives the clamping positioning plate to make synchronous movement. The clamping positioning plate is attached to an outer side of a supporting track, and enables the switch cabinet to be clamped synchronously, thereby enabling the switch cabinet to be aligned with the supporting track, and guaranteeing the precise positioning of the switch cabinet. The travelling mechanism is driven by a travelling motor to drive the whole device to move, so the cross beam can be fixedly connected with the travelling mechanism in a detachable manner. The device can adjust the wheel span of the traveling mechanism according to the specification of the switch cabinet, thereby achieving multiple purposes through one device. The device is simple in structure, is convenient to use, and can complete the high-quality combination of the switch cabinet quickly.
Description
Technical field
The present invention relates to technical field of electric power construction, specifically a kind of switch cabinet combining auxiliary device.
Background technology
Switch cubicle is a kind of electrical equipment, Main Function be carry out generating electricity, transmit electricity in power system, distribution and electric energy conversion
During, carry out folding, control and protection electrical equipment.
In prior art, multiple switch cabinet needs juxtaposition on supporting track, requires neatly each other side by side, not allow
There is the changing of the relative positions.But in construction placement, such supporting track is most of for types such as prefabricated channel-section steels or square tube in ground
Material, as supporting track protrudes the highly extremely limited of ground, and the width of switch cubicle is identical with supporting track width；Cause
This, when carrying out and cabinet is operated, common hydraulic trolley and fork truck etc. cannot be used switch cubicle, can only be using artificial behaviour
Make.
Detailed process is：Switch cubicle is lifted on supporting track, each switch cubicle is pushed into into precalculated position then；Due to opening
Close cabinet quality heavier, therefore, it is relatively elaborate during promotion, and the width of switch cubicle is identical with supporting track width, is promoting
During, switch cubicle is easy to the changing of the relative positions occur, is typically only capable to be adjusted with thick stick back and forth, but, so it is easy to prize switch cubicle
It is bad, serious impact construction speed and construction quality.
Therefore, how to realize switch cabinet combining it is efficient, rapidly operate, be that those skilled in the art of the present technique are urgently to be resolved hurrily
Technical problem.
The content of the invention
For, in prior art, when switch cabinet combining is operated, manually being prized with thick stick and switch cubicle being prized bad easily, Er Qieshi
The less efficient problem of work.It is an object of the invention to provide a kind of switch cabinet combining auxiliary device, it can directly by switch
Cabinet adjusts good position on supporting track, and switch cubicle is pushed to precalculated position using Motor drive whole device.
The present invention solves its technical problem and is adopted the technical scheme that：A kind of switch cabinet combining auxiliary device, its feature
It is, including walking mechanism, crossbeam and location locking mechanism；
The walking mechanism includes walking mechanism support, movable motor and the walking being arranged on the walking mechanism support
Wheel, the walking mechanism support are arranged on the crossbeam two ends, and the movable motor drives the road wheel to rotate；
The crossbeam upper end is provided with retainer ring, and the crossbeam is provided with the control electronic box for controlling the movable motor；
The location locking mechanism includes clamping and positioning plate and leading screw, and the leading screw includes the optical axis of centre and is located at two ends
But the first oppositely oriented leading screw portion and the second leading screw portion, the optical axis are arranged in clutch shaft bearing fixed seat, the first axle
Hold fixed seat and be arranged on the below the crossbeam；It is respectively equipped with described a clamping to determine in the first leading screw portion and the second leading screw portion
Position plate, the first leading screw portion free end are provided with detachable rocking handle, rotate the leading screw and can drive two clamping and positioning plates
To motion.
Further, before and after the crossbeam, side is respectively equipped with a fixed plate, and the fixed plate is provided with chute；The folder
Tight location-plate includes the first clamping part positioned at front end and the second clamping part positioned at rear end, and second clamping part is highly more than
The height of first clamping part, the second clamping part front and back end are respectively equipped with second convex for passing the chute
Body, second positioning convex body can be along the slides.
Further, the first leading screw portion and the second leading screw portion outer end are respectively equipped with bearing, and the bearing is arranged
In second bearing fixed seat, the second bearing fixed seat is fixedly installed on the downside of the crossbeam.
Further, helical spring, the spiral is provided between the second bearing fixed seat and the clamping and positioning plate
Spring is nested with the first leading screw portion and the second leading screw portion.
Further, scroll wheel is provided with the inside of the clamping and positioning plate.
Further, movable motor support is provided with the outside of the walking mechanism support, the movable motor is fixedly installed
On electric machine support is walked, the rotating shaft of the movable motor is connected with the rotating shaft of the road wheel by shaft coupling.
Further, the retainer ring has two, is fixedly installed on the crossbeam upper end by welding or bolting respectively
Both sides.
Further, the crossbeam is respectively arranged at two ends with the first fixed seat, first fixed seat and the walking mechanism
Support is fixedly connected.
Further, first fixed seat is connected for hinged bolt with the crossbeam；Wherein, first fixed seat
Upper end is provided with the first positioning convex body, and the crossbeam is respectively arranged at two ends with and inserts fixed socket, institute for first positioning convex body
State the first fixed seat to be connected with the crossbeam by bolt.
Further, handle is provided with rear side of the crossbeam, be cased with rubber protecting jacket on the handle.
The invention has the beneficial effects as follows：
When the 1st, carrying out switch cabinet combining using the present invention and operate, as in the present invention, leading screw is respectively equipped with oppositely oriented the
One leading screw portion and the second leading screw portion, two leading screw portions drive clamping and positioning plate to be synchronized with the movement, and the clamping and positioning plate is being close to support
By switch cubicle synchronous clamping while on the outside of track, so that switch cubicle is alignd in the lump with supporting track, it is ensured that switch cubicle is realized
Precise positioning, is adjusted with thick stick when solving the problems, such as deflection in prior art and switch cubicle is prized bad.
2nd, the present invention is driven by movable motor, and switch cubicle can be pushed to precalculated position by whole device automatically, so as to have
The labor intensity of the reduction operation employee of effect, and it is greatly enhanced work efficiency.
3rd, in the present invention, leading screw is fixedly installed by clutch shaft bearing fixed seat and second bearing fixed seat, and in second bearing
Helical spring is provided between fixed seat and clamping and positioning plate, the stability of leading screw is enhanced well, is pressed from both sides in reducing motor process
Tight collision impact between location-plate and supporting track, and effectively reduce rocking for clamping brace plate, it is ensured that switch cubicle positioning is accurate
Really.
4th, using being detachably connected between middle cross beam of the present invention and walking mechanism, wherein, crossbeam is respectively arranged at two ends with first
Fixed seat, the first fixed seat upper end are provided with the first positioning convex body, and the crossbeam is respectively arranged at two ends with for the described first positioning
The fixed socket of convex body insertion, first fixed seat are connected with the crossbeam by bolt；So, need to only change suitable
The first fixed seat can change the span of walking mechanism according to different switch cubicle specification, so as to realize a tractor serves several purposes, save
Cost of manufacture.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are the present invention
Part preferred embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram for carrying out simultaneously cabinet operation using the present invention；
Fig. 2 is the axle apparent direction structural representation of the present invention；
Fig. 3 be the present invention face direction structure schematic diagram；
Fig. 4 is the overlook direction structural representation of the present invention；
Fig. 5 is the axle apparent direction structural representation of middle cross beam of the present invention；
Fig. 6 is that middle cross beam of the present invention faces direction structure schematic diagram；
Fig. 7 is the axle apparent direction structural representation of clamping and positioning plate in the present invention；
Axle apparent direction structural representations of the Fig. 8 for a fixed seat (when detachable) in the present invention；
Fig. 9 is the axle apparent direction structural representation of fixed plate in the present invention；
In figure：1 switch cubicle, 11 supporting tracks, 2 crossbeams, 21 first fixed seats, 211 first positioning convex bodies, 212 sockets, 22
Handle, 23 retainer rings, 24 control electronic boxs, 241 second screwed holes, 25 fixed plates, 251 chutes, 252 first location divisions, 26 first
Bearing fixed seat, 27 second bearing fixed seats, 271 second fixed parts, 28 helical springs, 3 walking mechanism supports, 31 road wheels
Frame, 32 movable motors, 321 movable motor supports, 33 road wheels, 4 clamping and positioning plates, 41 first clamping parts, 42 second clamping parts,
421 second positioning convex bodies, 43 rollers, 5 leading screws, 51 first leading screw portions, 52 second leading screw portions.
Specific embodiment
As shown in Figures 1 to 9, a kind of switch cabinet combining auxiliary device that the present invention is given, is characterized in that, main to include row
Walk mechanism, crossbeam 2 and location locking mechanism.
As shown in Figures 2 to 4, the walking mechanism includes walking mechanism support 3, movable motor 32 and is arranged on the row
The road wheel 33 on mechanism rack 3 is walked, the walking mechanism support 3 is arranged on 2 two ends of the crossbeam, and the movable motor 32 drives
The dynamic road wheel 33 is rotated.
In specific embodiment, the outside of the walking mechanism support 3 is provided with movable motor support 321, the movable motor
32 are fixedly installed on away on electric machine support 321, and the rotating shaft of the movable motor 32 is turned by shaft coupling and the road wheel 33
Axle connects, and drives road wheel 33 to move by movable motor 32, so as to contribute to saving manpower, reduces labor intensity.
As shown in Figures 2 to 4,2 upper end of the crossbeam is provided with retainer ring 23, and the crossbeam 2 is provided with the control walking electricity
The control electronic box 24 of machine 32；The crossbeam 2 is respectively arranged at two ends with the first fixed seat 21, first fixed seat 21 and the walking
Mechanism rack 3 is fixedly connected；The rear side of the crossbeam 2 is provided with handle 22, and the rubber for being cased with strengthening on the handle 22 feel is protected
Sheath.
In specific embodiment, the retainer ring 23 has two, is fixedly installed on the horizontal stroke by welding or bolting respectively
2 upper end both sides of beam, control electronic box 24 are used for controlling the movable motor 32；Can arrange in the retainer ring 23 for by switch cubicle
1 tightens the flexible filaments band such as fixed woven belt, prevents switch cubicle 1 from dumping forward in promotion.
As shown in Fig. 2 to Fig. 8, the location locking mechanism mainly includes clamping and positioning plate 4 and leading screw 5；As shown in figure 3,
The leading screw 5 includes the optical axis of centre and positioned at two ends but the first oppositely oriented leading screw portion 51 and the second leading screw portion 52, described
Optical axis is arranged in clutch shaft bearing fixed seat 26, and the clutch shaft bearing fixed seat 26 is arranged on below the crossbeam 2；Described first
A clamping and positioning plate 4 is respectively equipped with leading screw portion 51 and the second leading screw portion 52, and 51 free end of the first leading screw portion sets
Have detachable rocking handle (as shown in figure 3,51 shaft end of the first leading screw portion be adapted to crank insertion connection positive four side structure, due to right
In those skilled in the art of the present technique it will be understood that here is not described in detail), rotate the leading screw 5 and can drive described in two
Clamping and positioning plate 4 is to motion.
In specific embodiment, as shown in Fig. 2 to Fig. 8, before and after the crossbeam 2, side is respectively equipped with a fixed plate 25, institute
State fixed plate 25 and be provided with chute 251；As shown in fig. 7, the clamping and positioning plate 4 includes 41 He of the first clamping part positioned at front end
Positioned at the second clamping part 42 of rear end, height of 42 height of the second clamping part more than first clamping part 41, described the
Two clamping parts, 42 front and back end is respectively equipped with second positioning convex body 421 for passing the chute 251, second positioning convex body
421 can slide along the chute 251.
Further, as shown in fig. 7, for mitigating the frictional force between clamping and positioning plate 4 and supporting track 11, the clamping
It is provided with multiple scroll wheels 43 being evenly arranged on the inside of location-plate 4, the scroll wheel 43 slightly exposes in the clamping and positioning plate 4
Side, the 43 preferred rolling bearing of scroll wheel.
So, clamping and positioning plate 4 can be made by adjusting screw 5 and supports to be close on the outside of track 11, the clamping and positioning plate 4 exists
Be close to support 11 outside of track while by 1 synchronous clamping of switch cubicle so that switch cubicle 1 is alignd in the lump with supporting track 11；
As leading screw itself has self-locking performance, therefore during pull switch cabinet, can effectively prevent switch cubicle from deflection occur, keep away
Exempt to adjust using thick stick and switch cubicle is prized bad.
For further enhance leading screw 5 setting steadiness, in preventing motor process, the clamping and positioning plate 4 with described
Collision between support track 11 and make the clutch shaft bearing fixed seat 26 bear larger impact and stability lowers, such as Fig. 3 institutes
Show, the first leading screw portion 51 and 52 outer end of the second leading screw portion are respectively equipped with bearing, and the bearing is arranged on second bearing
In fixed seat 27, the second bearing fixed seat 27 is fixedly installed on the downside of the crossbeam 2.
Further, it is will to reduce coordinating space because of the screw thread pair between leading screw 5 and the clamping and positioning plate 4, reduces
Rocking for the clamping and positioning plate 4, strengthens the clamping and positioning plate 4 and the degree of being adjacent between supporting track 11 and switch cubicle 11.
As shown in figure 3, being provided with helical spring 28, institute between the second bearing fixed seat 27 and the clamping and positioning plate 4
State helical spring 28 to be nested with the first leading screw portion 51 and the second leading screw portion 52；So, as helical spring 28 is located all the time
In tensioning state, so as to ensure the clamping and positioning plate 4 and the degree of being adjacent between supporting track 11 and switch cubicle 11.
As switch cubicle 1 has a variety of models in actual applications, according to the difference of model, often supporting track 11
Width is not quite similar, therefore, for further enhancing the suitability of the present invention.
As shown in Fig. 5 and Fig. 9, first fixed seat 21 is connected for hinged bolt with the crossbeam 2；Wherein, institute
State 21 upper end of the first fixed seat and be provided with the first positioning convex body 211, the crossbeam 2 is respectively arranged at two ends with for first positioning convex body
The fixed socket of 211 insertions, first fixed seat 21 are connected with the crossbeam 2 by bolt.
So, walking mechanism is changed according to different switch cubicle specifications by need to only changing suitable first fixed seat 21
Span, so as to realize a tractor serves several purposes, saves cost of manufacture.
In the present invention, the relative position that "front", "rear" is for convenient description position relationship and adopts, therefore can not make
Limiting of its scope is interpreted as absolute position.
In addition to the technical characteristic described in description, the known technology of those skilled in the art is.
The above combines accompanying drawing and the preferred embodiment of the present invention and embodiment is described above in detail, but the present invention is not
The above-described embodiment and examples are confined to, for those skilled in the art, without departing from structure of the present invention
On the premise of think of, some improvement and modification can also be made, these improve and modification also should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of switch cabinet combining auxiliary device, is characterized in that, including walking mechanism, crossbeam (2) and location locking mechanism；
The walking mechanism includes walking mechanism support (3), movable motor (32) and is arranged on walking mechanism support (3)
Road wheel (33), walking mechanism support (3) are arranged on the crossbeam (2) two ends, and described movable motor (32) drive institute
State road wheel (33) rotation；
Crossbeam (2) upper end is provided with retainer ring (23), and crossbeam (2) are provided with the control electricity for controlling movable motor (32)
Case (24)；
The location locking mechanism includes clamping and positioning plate (4) and leading screw (5), and described leading screw (5) include middle optical axis and position
In two ends but the first oppositely oriented leading screw portion (51) and the second leading screw portion (52), the optical axis is arranged on clutch shaft bearing fixed seat
(26), on, clutch shaft bearing fixed seat (26) are arranged on below the crossbeam (2)；First leading screw portion (51) and second
It is respectively equipped with thick stick portion (52) one clamping and positioning plate (4), the first leading screw portion (51) free end is provided with and detachably shakes
Handle, rotates leading screw (5) and can drive two clamping and positioning plate (4) relative motioies；
Before and after crossbeam (2), side is respectively equipped with a fixed plate (25), and fixed plate (25) are provided with chute (251)；Institute
Stating clamping and positioning plate (4) includes the first clamping part (41) positioned at front end and the second clamping part (42) positioned at rear end, described
Highly more than the height of the first clamping part (41), the second clamping part (42) front and back end is respectively equipped with two clamping parts (42)
One the second positioning convex body (421) for passing the chute (251), the second positioning convex body (421) can be along the chute
(251) slide.
2. switch cabinet combining auxiliary device according to claim 1, is characterized in that, the first leading screw portion (51) and described
Second leading screw portion (52) outer end is respectively equipped with bearing, and the bearing is arranged in second bearing fixed seat (27), second axle
Hold fixed seat (27) to be fixedly installed on the downside of the crossbeam (2).
3. switch cabinet combining auxiliary device according to claim 2, is characterized in that, second bearing fixed seat (27) and
Helical spring (28) is provided between clamping and positioning plate (4), and helical spring (28) are nested with the first leading screw portion
(51) in and the second leading screw portion (52).
4. switch cabinet combining auxiliary device according to claim 1, is characterized in that, set on the inside of clamping and positioning plate (4)
There is scroll wheel (43).
5. switch cabinet combining auxiliary device according to claim 1, is characterized in that, outside walking mechanism support (3)
Side is provided with movable motor support (321), and movable motor (32) are fixedly installed on movable motor support (321), the row
The rotating shaft for walking motor (32) is connected with the rotating shaft of the road wheel (33) by shaft coupling.
6. switch cabinet combining auxiliary device according to claim 1, is characterized in that, retainer ring (23) have two, point
Tong Guo not weld or bolt and be fixedly installed on the crossbeam (2) upper end both sides.
7. switch cabinet combining auxiliary device according to claim 1, is characterized in that, crossbeam (2) are respectively arranged at two ends with
First fixed seat (21), the first fixed seat (21) are fixedly connected with walking mechanism support (3).
8. switch cabinet combining auxiliary device according to claim 7, is characterized in that, the first fixed seat (21) with it is described
Crossbeam (2) connects for hinged bolt；Wherein, described first fixed seat (21) upper end is provided with the first positioning convex body (211), described
Crossbeam (2) is respectively arranged at two ends with and inserts fixed socket for described first positioning convex body (211), and described first fixed seat (21) lead to
Cross bolt to be connected with the crossbeam (2).
9. switch cabinet combining auxiliary device according to claim 1, is characterized in that, be provided with handle on rear side of crossbeam (2)
Handss (22), are cased with rubber protecting jacket on handle (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510311573.0A CN104852303B (en) | 2015-06-09 | 2015-06-09 | Combination auxiliary device for switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510311573.0A CN104852303B (en) | 2015-06-09 | 2015-06-09 | Combination auxiliary device for switch cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104852303A CN104852303A (en) | 2015-08-19 |
| CN104852303B true CN104852303B (en) | 2017-03-22 |
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ID=53851747
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510311573.0A Expired - Fee Related CN104852303B (en) | 2015-06-09 | 2015-06-09 | Combination auxiliary device for switch cabinet |
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| Country | Link |
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| CN (1) | CN104852303B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105914660B (en) * | 2016-04-20 | 2017-05-31 | 邹平县供电公司 | A kind of power construction wire dispenser |
| CN105858566B (en) * | 2016-06-23 | 2018-04-13 | 国网山东省电力公司济阳县供电公司 | High-voltage board and cabinet device |
| CN106099695B (en) * | 2016-06-29 | 2018-08-07 | 国网山东省电力公司济南市历城区供电公司 | Switch cabinet combining device |
| CN111564783B (en) * | 2020-06-15 | 2022-02-18 | 信阳平高电气有限公司 | Ring main unit pieces together cabinet and uses auxiliary fixtures |
| CN114243539B (en) * | 2021-12-17 | 2023-08-04 | 浙江迪思威电气股份有限公司 | Switch cabinet mounting device |
| CN117583522B (en) * | 2023-12-07 | 2024-05-10 | 台州市承跃机械有限公司 | Aluminum forging device for motorcycle production |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009095156A (en) * | 2007-10-10 | 2009-04-30 | Tokyo Electric Power Co Inc:The | Fall prevention fixture for miniclad |
| CN102208763B (en) * | 2011-03-01 | 2013-04-03 | 宁波市鄞州供电局 | Scissor-shaped support guide rail device |
| CN203013578U (en) * | 2012-12-02 | 2013-06-19 | 河南省电力公司郑州供电公司 | A dismounting device of a GW5 isolating switch contact |
| CN104218481B (en) * | 2014-01-27 | 2017-01-11 | 浙江时通电气制造有限公司 | Width-adjustable and height-adjustable transfer vehicle for vacuum circuit breakers |
| CN204793768U (en) * | 2015-06-09 | 2015-11-18 | 国网山东济南市历城区供电公司 | Cubical switchboard cabinet combining auxiliary device |
-
2015
- 2015-06-09 CN CN201510311573.0A patent/CN104852303B/en not_active Expired - Fee Related
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|---|---|
| CN104852303A (en) | 2015-08-19 |
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Granted publication date: 20170322 Termination date: 20190609 |