CN110277283A - A kind of breaker of plastic casing installation equipment - Google Patents
A kind of breaker of plastic casing installation equipment Download PDFInfo
- Publication number
- CN110277283A CN110277283A CN201910676996.0A CN201910676996A CN110277283A CN 110277283 A CN110277283 A CN 110277283A CN 201910676996 A CN201910676996 A CN 201910676996A CN 110277283 A CN110277283 A CN 110277283A
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- CN
- China
- Prior art keywords
- top surface
- deck
- breaker
- support
- rotating mass
- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/02—Housings; Casings; Bases; Mountings
- H01H71/0207—Mounting or assembling the different parts of the circuit breaker
- H01H71/0214—Housing or casing lateral walls containing guiding grooves or special mounting facilities
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- Adornments (AREA)
- Trip Switchboards (AREA)
Abstract
The present invention relates to a kind of breaker of plastic casing to install equipment; including deck and bracket; deck bottom surface and bracket top surface open up card slot; card slot is for blocking breaker; deck top surface is equipped with pusher cylinder; pusher cylinder is fixed on transverse slat; positioning buffer gear is equipped between deck and bracket; deck top surface is equipped with correcting sleeve; correcting sleeve top uses pyramidal structure, and the bottom end of pyramidal structure uses arc transition, and correcting sleeve is used for correcting electric screw driver; rotary support mechanism is equipped in correcting sleeve, bottom is equipped with protection mechanism and branch support mechanism in correcting sleeve.The present invention avoids the deflection that screws, and the shell of protective breaker eliminates security risk；Buffer function is played to electric screw driver, it may have limit function when pressing electric screw driver exerts oneself too big, avoids the phenomenon that causing screw sliding teeth, and the shell of protective breaker reduces production cost.
Description
Technical field
The present invention relates to breaker mounting technique field, in particular to a kind of breaker of plastic casing installs equipment.
Background technique
Breaker of plastic casing can automatically cut off electric current after electric current is more than escape setting.Plastic housing refers to be made with plastic insulation
For the shell of device, it is used between insulated conductor and ground metal portion.The shell of breaker of plastic casing is passed through by upper casing, lower casing
Screw connection together, with the breaker original part for protecting it internal.
Breaker of plastic casing shell installation when, need to use electric screw driver screw tightening upper casing, lower casing it
Between.This just needs to install equipment using to breaker of plastic casing.But there is following lack in current breaker of plastic casing installation equipment
Point: 1. electric screw drivers during use, are unable to ensure completely parallel with screw hole, lead to the deflection that screws, serious person is broken
The shell of bad breaker, there are security risks；2. it needs to be downwardly applied to pressure when using electric screw driver, still, tradition
Installation equipment, buffer function can not be played to electric screw driver, also without limit function, when pressing electric screw driver and exerting oneself too big,
The phenomenon that easily causing screw sliding teeth destroys the shell of breaker, improves production cost.
Summary of the invention
To solve the above-mentioned problems, the present invention provides a kind of breaker of plastic casing to install equipment, can solve electric among the above
Dynamic bottle opener during use, is unable to ensure completely parallel with screw hole, leads to the deflection that screws, serious person destroys breaker
Shell, there are security risks；Traditional installation equipment can not play buffer function to electric screw driver, also without limit function,
When pressing electric screw driver and exerting oneself too big, the phenomenon that easily causing screw sliding teeth, the shell of breaker is destroyed, production cost is improved
Problem.
Technical solution
To achieve the goals above, the invention adopts the following technical scheme: a kind of breaker of plastic casing installs equipment, including card
Seat and bracket, the deck bottom surface and bracket top surface open up card slot, and for blocking breaker, the deck top surface is equipped with card slot
Pusher cylinder, pusher cylinder are fixed on transverse slat, and positioning buffer gear, the deck top surface are equipped between the deck and bracket
Equipped with correcting sleeve, correcting sleeve top uses pyramidal structure, and the bottom end of pyramidal structure uses arc transition, described to lead
Positive sleeve is used for correcting electric screw driver, is equipped with rotary support mechanism in the correcting sleeve, bottom is equipped in the correcting sleeve
Protection mechanism and branch support mechanism；Deck is pushed to move down by pusher cylinder, and then upper casing, lower casing card breaker of plastic casing
It between deck and bracket, is then screwed by electric screw driver to tighten the upper casing of breaker of plastic casing, lower casing, in addition, correcting
Sleeve is used to correcting electric screw driver, avoids electric screw driver from tilting, to protect upper casing, the lower casing of breaker of plastic casing.
The rotary support mechanism includes rotating mass, and the interior bottom of correcting sleeve, and electricity is arranged in the rotating mass
Rotating mass is run through in dynamic bottle opener bottom end, and the rotating mass top surface is uniformly provided with main support ball, the main support ball bottom end
Cushion block is equipped between rotating mass top surface, the correcting sleeve lining offers thread groove, the rotating mass outside
It is uniformly provided with spin, and spin and thread groove are worked in coordination；When firmly pressing electric screw driver, the main branch of electric screw driver low pressure
Ball is supportted, rotating mass stress is moved down and rotated, and spin rolls in thread groove, in favor of the rotation of rotating mass
Turn.
The protection mechanism includes mounting blocks, and the mounting blocks are arranged in the interior bottom of correcting sleeve, in the mounting blocks
Installation room is offered, the installation is indoor to be equipped with air bag, and the air bag is connected to by tracheae with air pump, and the installation interior is equipped with
Support plate, and support plate is stuck in the top of air bag；
The branch support mechanism includes support rod, and the support rod is vertically arranged in support plate top surface, the support rod top
End is equipped with auxiliary support ball, and auxiliary support ball and rotating mass bottom end are tangent, and the mounting blocks top surface is equipped with support rim, and
Support rod runs through support rim.
Preferably, the positioning buffer gear includes locating rod, and the locating rod is vertically arranged on bracket top surface, described
Deck bottom surface offers locating slot, and locating rod and locating slot are worked in coordination, and the periphery of the locating rod is equipped with upper slip ring under
Slip ring is equipped with buffer spring between the upper slip ring and lower slip ring, buffering is equipped between the lower slip ring bottom surface and bracket top surface
Torsional spring.
Preferably, the lower slip ring bottom surface offers sliding slot, and the top of the buffering torsional spring is arranged by sliding bar
In sliding slot, the bracket top surface is equipped with flexible block, and flexible block is for blocking lower slip ring.
Preferably, deck inner wall bottom end is equipped with guide roller, and guide roller is obliquely installed, and guide roller is for being oriented to deck
Be caught in, the bracket top surface is equipped with guide pad, and the inside of the guide pad uses inclined surface structure.
Preferably, the rotating mass top surface uses forge piece of step type structure, and the edge of rotating mass is higher than the center,
It is close to electric screw driver bottom end the forge piece of step type structure top surface.
Preferably, the support plate uses arcuate structure, when air bag gassy, arcuate structure bottom surface and air bag
It is close to top surface.
Preferably, the deck bottom surface and bracket top surface are equipped with buffering spacer, and buffering spacer outer surface is uniformly arranged
There is non-slip texture, the buffering spacer is made of rubber.
Beneficial effect
1, a kind of breaker of plastic casing provided by the invention installs equipment, it can be ensured that electric screw driver is complete during use
It is entirely parallel with screw hole, the deflection that screws is avoided, the shell of protective breaker eliminates security risk；Electric screw driver is played slow
Punching effect, it may have limit function when pressing electric screw driver exerts oneself too big, avoids the phenomenon that causing screw sliding teeth, protection open circuit
The shell of device reduces production cost；
2, a kind of breaker of plastic casing provided by the invention installs equipment, and electric screw driver is introduced into the cone on correcting sleeve top
In shape structure, then slowly correcting electric screw driver, keeps electric screw driver parallel to each other with the threaded hole on breaker of plastic casing shell, keeps away
Exempt from electric screw driver inclination, to protect the upper lower casing of breaker of plastic casing；
3, a kind of breaker of plastic casing provided by the invention installs equipment, and rotating mass is used to support electric screw driver, firmly press
When pressing electric screw driver, rotating mass is rotated, and protection mechanism is used for buffer protection, electronic of branch support mechanism Auxiliary support
Son, it may have limit function avoids the phenomenon that causing screw sliding teeth, reduces production cost.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is enlarged drawing at A in Fig. 1 of the present invention；
Fig. 3 is enlarged drawing at B in Fig. 1 of the present invention.
Specific embodiment
Below with reference to the accompanying drawings the embodiment of the present invention is illustrated.In the process, for ensure illustrate definition and
Convenience, we may the width to lines in diagram or constituent element the mark exaggerated of size.
In addition, term hereinafter is defined based on the function in the present invention, it can be according to the intention of user, fortune user
Or convention and difference.Therefore, these terms are defined based on the full content of this specification.
As shown in Figure 1-3, a kind of breaker of plastic casing installs equipment, including deck 1 and bracket 2,1 bottom surface of deck and bracket 2
Top surface opens up card slot, and for card slot for blocking breaker, 1 bottom surface of deck and 2 top surface of bracket are equipped with buffering spacer 6, and buffer
6 outer surface of gasket is evenly arranged with non-slip texture, and buffering spacer 6 is made of rubber, and 1 inner wall bottom end of deck is equipped with guide roller
12, and guide roller 12 is obliquely installed, guide roller 12 is equipped with guide pad 29, guiding for being oriented to being caught in for deck 1,2 top surface of bracket
The inside of block 29 uses inclined surface structure, and 1 top surface of deck is equipped with pusher cylinder 3, and pusher cylinder 3 is fixed on transverse slat 7；Plastic housing
Breaker is placed between deck 1 and bracket 2, wherein buffering spacer 6 is for protecting breaker of plastic casing, breaker of plastic casing
Lower casing is placed in bracket 2, is then placed in upper casing, starts pusher cylinder 3, and the elongation of 3 bottom end of pusher cylinder drives deck 1 to moving down
Dynamic, deck 1 is with clamping upper casing, in addition, guide pad 29 is conducive to the placement of lower casing, guide roller 12 is conducive to the placement of upper casing.
Positioning buffer gear is equipped between deck 1 and bracket 2,1 top surface of deck is equipped with correcting sleeve 4,4 top of correcting sleeve
Using pyramidal structure, and the bottom end of pyramidal structure uses arc transition, and correcting sleeve 4 is used for correcting electric screw driver 5, correcting sleeve
Rotary support mechanism 51 is equipped in 4, bottom is equipped with protection mechanism 52 and branch support mechanism 53 in correcting sleeve 4；Electric screw driver 5 is put
Enter in correcting sleeve 4, be then downwardly applied to pressure, correcting sleeve 4 is used for correcting electric screw driver 5, makes electric screw driver 5 under
Screw hole between shell, upper casing is mobile, and electric screw driver is avoided to tilt, to protect upper casing, the lower casing of breaker of plastic casing, in addition, rotation
Turn supporting mechanism 51 and be used to support electric screw driver 5, protection mechanism 52 is used for buffer protection, electronic of 53 Auxiliary support of branch support mechanism
Son 5, it may have limit function avoids the phenomenon that causing screw sliding teeth, reduces production cost.
Rotary support mechanism 51 includes rotating mass 511, and the interior bottom of correcting sleeve 4, and electricity is arranged in rotating mass 511
Rotating mass 511 is run through in dynamic 5 bottom end of bottle opener, and 511 top surface of rotating mass uses forge piece of step type structure, and the edge of rotating mass 511
Place is higher than the center, and forge piece of step type structure top surface is close to 5 bottom end of electric screw driver, and 511 top surface of rotating mass is uniformly provided with master
Ball 513 is supported, equipped with cushion block 512 between main 513 bottom end of support ball and 511 top surface of rotating mass, in correcting sleeve 4
Wall offers thread groove 514, spin 515 is uniformly provided on the outside of rotating mass 511, and spin 515 and thread groove 514 mutually match
It closes；When 5 bottom end of electric screw driver compresses support ball 513, support ball 513 compresses downwards rotating mass 511, rotating mass
511 rotate, and rotating mass 511 drives spin 515 to roll in thread groove 514, conducive to the rotation of rotating mass 511, in addition,
Cushion block 512 is for playing the role of buffering, and to protect electric screw driver 5, the design of forge piece of step type structure is conducive to electric screw driver 5
Gradually correcting.
Protection mechanism 52 includes mounting blocks 521, and mounting blocks 521 are arranged in the interior bottom of correcting sleeve 4, in mounting blocks 521
Installation room is offered, installation is indoor to be equipped with air bag 522, and air bag 522 is connected to by tracheae with air pump, and installation is indoor to be equipped with support plate
523, and support plate 523 is stuck in the top of air bag 522, support plate 523 uses arcuate structure, when air bag 522 is gassiness
It waits, arcuate structure bottom surface and 522 top surface of air bag are close to；Rotating mass 511 moves down, and 511 bottom end of rotating mass passes through rest
Mechanism 53 compresses support plate 523, and support plate 523 compresses air bag 522, and support plate 523 increases contact using the design of arcuate structure
Area can play the role of good buffering, in addition, air pump is inflated by tracheae to air bag 522, to provide gas source.
Branch support mechanism 53 includes support rod 531, and support rod 531 is vertically arranged on 523 top surface of support plate, support rod 531
Top is equipped with auxiliary support ball 532, and auxiliary support ball 532 and 511 bottom end of rotating mass are tangent, and 521 top surface of mounting blocks is equipped with
Support rim 533, and support rod 531 runs through support rim 533；The fixation of support plate 523 supports support rod 531, support rod 531
Auxiliary support ball 532 is fixed, under the action of auxiliary support ball 532, conducive to the rotation of rotating mass 511, in addition, support is convex
Platform 533 is for assisting centralizing support bar 531, it is ensured that support rod 531 is always positioned at vertical state, it is ensured that the stabilization of branch support mechanism 53
Property.
Positioning buffer gear includes locating rod 21, and locating rod 21 is vertically arranged on 2 top surface of bracket, and 1 bottom surface of deck opens up
There is locating slot 11, and locating rod 21 and locating slot 11 are worked in coordination, the periphery of locating rod 21 is equipped with upper slip ring 24 and lower slip ring 22,
It is equipped with buffer spring 25 between upper slip ring 24 and lower slip ring 22, buffering torsional spring is equipped between lower 22 bottom surface of slip ring and 2 top surface of bracket
23, lower 22 bottom surface of slip ring offers sliding slot 26, and the top of buffering torsional spring 23 is slidably arranged in sliding slot 26 by slide bar 27, bracket
2 top surfaces are equipped with flexible block 28, and flexible block 28 is for blocking lower slip ring 22；When deck 1 moves down, 1 band of deck
Dynamic locating rod 21 is inserted into locating slot 11, and positioning is played the role of, it is ensured that the accurate contraposition of bracket 2 and deck 1, secondly, deck 1
Bottom end compresses upper slip ring 24, and upper slip ring 24 compresses lower slip ring 22 by buffer spring 25, tentatively plays the role of buffering, then,
Lower slip ring 22 moves down, and under the action of mobile in slide bar 27 along the chute 26, buffering torsional spring 23 is compressed, and further functions as slow
The effect of punching, the upper casing and lower casing of effective protection breaker of plastic casing, finally, flexible block 28 is played for blocking lower slip ring 22
The effect of limit, to protect the upper casing and lower casing of breaker of plastic casing.
Working principle:
The lower casing of breaker of plastic casing is placed in bracket 2, upper casing is then placed in, starts pusher cylinder 3,3 bottom of pusher cylinder
End elongation drives deck 1 to move down, and deck 1 is put into electric screw driver 5 in correcting sleeve 4 with clamping upper casing, is then applied downwards
Plus-pressure, correcting sleeve 4 are used for correcting electric screw driver 5, move electric screw driver 5 along the screw hole between lower casing, upper casing；When
5 bottom end of electric screw driver compresses support ball 513, and support ball 513 compresses downwards rotating mass 511, and rotating mass 511 revolves
Turn, rotating mass 511 drives spin 515 to roll in thread groove 514, conducive to the rotation of rotating mass 511, rotating mass 511 to
Lower movement, 511 bottom end of rotating mass compress support plate 523 by branch support mechanism 53, and support plate 523 compresses air bag 522, plays good
The effect of good buffering；When deck 1 moves down, deck 1 drives locating rod 21 to be inserted into locating slot 11, plays positioning
Effect, it is ensured that the accurate contraposition of bracket 2 and deck 1, secondly, 1 bottom end of deck compresses upper slip ring 24, upper slip ring 24 passes through buffering
Spring 25 compresses lower slip ring 22, tentatively plays the role of buffering, and then, lower slip ring 22 moves down, in slide bar 27 along the chute 26
Under the action of interior movement, buffering torsional spring 23 is compressed, and further functions as the effect of buffering.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of breaker of plastic casing installs equipment, including deck (1) and bracket (2), deck (1) bottom surface and bracket (2) top
Face opens up card slot, and card slot is equipped with pusher cylinder (3) for blocking breaker, deck (1) top surface, and pusher cylinder (3) is solid
It is scheduled on transverse slat (7), it is characterised in that: positioning buffer gear, the deck (1) are equipped between the deck (1) and bracket (2)
Top surface is equipped with correcting sleeve (4), and correcting sleeve (4) top uses pyramidal structure, and the bottom end of pyramidal structure uses circular arc
Transition, the correcting sleeve (4) are used for correcting electric screw driver (5), and rotary support mechanism is equipped in the correcting sleeve (4)
(51), the interior bottom of the correcting sleeve (4) is equipped with protection mechanism (52) and branch support mechanism (53)；
The rotary support mechanism (51) includes rotating mass (511), and the rotating mass (511) is arranged in correcting sleeve (4)
Interior bottom, and electric screw driver (5) bottom end run through rotating mass (511), rotating mass (511) top surface is uniformly provided with main branch
It supports ball (513), is equipped with cushion block (512) between main support ball (513) bottom end and rotating mass (511) top surface,
Correcting sleeve (4) inner wall offers thread groove (514), is uniformly provided with spin (515) on the outside of the rotating mass (511),
And spin (515) and thread groove (514) are worked in coordination；
The protection mechanism (52) includes mounting blocks (521), and the mounting blocks (521) are arranged in the interior bottom of correcting sleeve (4),
Installation room is offered in the mounting blocks (521), the installation is indoor to be equipped with air bag (522), and the air bag (522) passes through tracheae
It is connected to air pump, the installation is indoor to be equipped with support plate (523), and support plate (523) is stuck in the top of air bag (522)；
The branch support mechanism (53) includes support rod (531), and the support rod (531) is vertically arranged in support plate (523) top surface
On, support rod (531) top is equipped with auxiliary support ball (532), and auxiliary support ball (532) and rotating mass (511) bottom
Hold it is tangent, mounting blocks (521) top surface be equipped with support rim (533), and support rod (531) run through support rim (533).
2. a kind of breaker of plastic casing according to claim 1 installs equipment, it is characterised in that: the positioning buffer gear packet
It includes locating rod (21), the locating rod (21) is vertically arranged on bracket (2) top surface, and deck (1) bottom surface offers positioning
Slot (11), and locating rod (21) and locating slot (11) are worked in coordination, the periphery of the locating rod (21) be equipped with upper slip ring (24) and
Lower slip ring (22) is equipped with buffer spring (25) between the upper slip ring (24) and lower slip ring (22), lower slip ring (22) bottom surface
Buffering torsional spring (23) is equipped between bracket (2) top surface.
3. a kind of breaker of plastic casing according to claim 2 installs equipment, it is characterised in that: lower slip ring (22) bottom surface
It offers sliding slot (26), the top of buffering torsional spring (23) is slidably arranged in sliding slot (26) by slide bar (27), the support
Seat (2) top surface is equipped with flexible block (28), and flexible block (28) is for blocking lower slip ring (22).
4. a kind of breaker of plastic casing according to claim 1 installs equipment, it is characterised in that: deck (1) the inner wall bottom
End is equipped with guide roller (12), and guide roller (12) is obliquely installed, and guide roller (12) is for being oriented to being caught in for deck (1), the support
Seat (2) top surface is equipped with guide pad (29), and the inside of the guide pad (29) uses inclined surface structure.
5. a kind of breaker of plastic casing according to claim 1 installs equipment, it is characterised in that: the rotating mass (511)
Top surface use forge piece of step type structure, and the edge of rotating mass (511) be higher than the center, the forge piece of step type structure top surface and
It is close to electric screw driver (5) bottom end.
6. a kind of breaker of plastic casing according to claim 1 installs equipment, it is characterised in that: the support plate (523) is adopted
With arcuate structure, when air bag (522) gassy, arcuate structure bottom surface and air bag (522) top surface are close to.
7. a kind of breaker of plastic casing according to claim 1 installs equipment, it is characterised in that: deck (1) bottom surface and
Bracket (2) top surface is equipped with buffering spacer (6), and buffering spacer (6) outer surface is evenly arranged with non-slip texture, the cushion
Piece (6) is made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910676996.0A CN110277283B (en) | 2019-07-25 | 2019-07-25 | Moulded case circuit breaker erection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910676996.0A CN110277283B (en) | 2019-07-25 | 2019-07-25 | Moulded case circuit breaker erection equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110277283A true CN110277283A (en) | 2019-09-24 |
| CN110277283B CN110277283B (en) | 2020-11-27 |
Family
ID=67965361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910676996.0A Active CN110277283B (en) | 2019-07-25 | 2019-07-25 | Moulded case circuit breaker erection equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110277283B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115165591A (en) * | 2022-07-11 | 2022-10-11 | 安徽江南泵阀集团有限公司 | Chemical pump production is with pressing detection device |
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| CN208385253U (en) * | 2018-07-26 | 2019-01-15 | 温州赣西电气有限公司 | A kind of double power supply automatic transfer switch with mounting base |
| CN208545939U (en) * | 2018-06-11 | 2019-02-26 | 湖北鑫民建筑工程有限公司 | Automatic installing pipe card apparatus in a kind of construction and decoration construction metope slot |
| CN109877761A (en) * | 2019-04-26 | 2019-06-14 | 宁波梦创知识产权服务有限公司 | A kind of intelligent fixture device of quick assemble compact distribution box |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB762547A (en) * | 1953-09-17 | 1956-11-28 | Gen Electric | Improvements relating to electric circuit interrupters |
| CN104196900A (en) * | 2014-08-20 | 2014-12-10 | 奇瑞重工股份有限公司 | Press fitting tool for back-to-back outer rings of tapered roller bearing |
| CN205904955U (en) * | 2016-08-08 | 2017-01-25 | 淮安信息职业技术学院 | Fluid pressure type valve dismouting pincers |
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| CN108133849A (en) * | 2017-12-21 | 2018-06-08 | 潘桂丰 | A kind of outdoor high voltage circuit breaker mounting and fixing support |
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| CN109877761A (en) * | 2019-04-26 | 2019-06-14 | 宁波梦创知识产权服务有限公司 | A kind of intelligent fixture device of quick assemble compact distribution box |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115165591A (en) * | 2022-07-11 | 2022-10-11 | 安徽江南泵阀集团有限公司 | Chemical pump production is with pressing detection device |
| CN115165591B (en) * | 2022-07-11 | 2024-09-06 | 安徽江南泵阀集团有限公司 | Chemical pump production is with pressing detection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110277283B (en) | 2020-11-27 |
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