CN208257246U - Handcart type breaker and the switchgear for using the handcart type breaker - Google Patents
Handcart type breaker and the switchgear for using the handcart type breaker Download PDFInfo
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- CN208257246U CN208257246U CN201820702872.6U CN201820702872U CN208257246U CN 208257246 U CN208257246 U CN 208257246U CN 201820702872 U CN201820702872 U CN 201820702872U CN 208257246 U CN208257246 U CN 208257246U
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- Prior art keywords
- handcart
- guide rod
- rotating member
- switchgear
- lock tongue
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- 238000000034 method Methods 0.000 claims description 5
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- 238000006243 chemical reaction Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 230000006872 improvement Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 6
- 238000003780 insertion Methods 0.000 description 5
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- 230000000694 effects Effects 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 3
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- 230000005672 electromagnetic field Effects 0.000 description 2
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Abstract
The utility model relates to electrical accessorie field more particularly to a kind of handcart type breaker and use the switchgear of the handcart type breaker.Switchgear includes the handcart type breaker being arranged in switchgear, the handcart type breaker includes handcart ontology, handcart ontology is equipped with the locking device for being locked at handcart ontology in switchgear, locking device includes for expanding-contracting action with the lock tongue mating to the corresponding lockhole in the switchgear, and it is rotatably mounted at the rotating member on the handcart-type ontology, it is equipped between rotating member and lock tongue for by the transmission connecting structure for being converted into the flexible direct acting of lock tongue of rotating member.By the way that locking device is arranged on-board the circuit breaker, avoid occur in switchgear it is short-circuit cause to breaker be pushed out operating position, provide powerful guarantee for safety work.
Description
Technical field
The utility model relates to electrical accessorie field more particularly to a kind of handcart type breaker and use handcart-type open circuit
The switchgear of device.
Background technique
In electric power power transmission and transforming equipment, switchgear is as a kind of important electrical equipment, main function by setting
Set the accessories such as breaker, switch, operating mechanism, the mutual inductor in switchgear realize the folding of circuit, the conversion of electric energy and
The protection of electrical equipment.Common accessory of the breaker as inside switch cabinet, mounting means are divided into fixed and handcart-type, Gu
Fixed pattern is the corresponding position being directly anchored to breaker by other fixed forms such as screw threads for fastening in switchgear；Handcart-type is
Breaker is first fixed on a handcart, then handcart is pushed into corresponding switchgear, for convenience of handcart push-in and push away
Out, the bottom of above-mentioned handcart is generally fitted with idler wheel.
For the mounting means of above-mentioned handcart type breaker, the handcart in switchgear is not provided with corresponding locked position,
Which results in the handcarts in switchgear to easily slide out switchgear, especially when short circuit occurs in switchgear, returns in switchgear
The suddenly change of road electric current will lead to the variation of circuit peripheral electromagnetic field, in the electromagnetic field of this variation, handcart type breaker
It is highly susceptible to huge electrodynamic action, and then handcart type breaker is caused to be pushed out operating position, causes electrical hazard, sternly
Staff around even can be injured when weight, is unfavorable for safety work.
Utility model content
The purpose of this utility model is to provide a kind of handcart type breakers, are movably arranged in the prior art for solving
Handcart type breaker in switchgear is due to being easy the skill for being pushed out operating position, causing electrical hazard by electrodynamic effect
Art problem.The purpose of this utility model, which also resides in, provides a kind of switchgear using above-mentioned handcart type breaker.
To achieve the above object, the handcart type breaker of the utility model adopts the following technical scheme that:
Handcart type breaker includes handcart ontology, and handcart ontology is equipped with for handcart ontology to be locked in switchgear
Locking device, locking device include for expanding-contracting action with the lock tongue mating to the corresponding lockhole in the switchgear, with
And it is rotatably mounted at the rotating member on the handcart-type ontology, it is equipped between rotating member and lock tongue for turning rotating member
Turn turns to the transmission connecting structure of the flexible direct acting of lock tongue.
Further improvement to above-mentioned handcart type breaker, the transmission connecting structure include described in guiding movement is assemblied in
Guide rod on handcart ontology, the lock tongue are located on the guide rod, and transmission connecting structure further includes that both ends correspondence is hinged on rotation
Kinematic link on part and guide rod, locking device further include the bullet for applying the elastic acting force for driving lock tongue to stretch out to lock tongue
Property part.
Further, kinematic link hinge joint corresponding with rotating member is set to the first hinge joint, by kinematic link with lead
The corresponding hinge joint of bar is set to the second hinge joint, and the first hinge joint has unlock dead-centre position, place in rotating member rotation process
The two sides of the center of rotation axis of rotating member are in the first hinge joint of unlock dead-centre position and the second hinge joint, and two is hinged
Point line intersects with the center of rotation axis of rotating member, and lock tongue has the solution for being detached from the lockhole on its stroke that stretches
Lock-bit, when lock tongue is in solution lock-bit, the first hinge joint is in unlock dead-centre position or in the mistake for crossing unlock dead-centre position
Dead-centre position.
Preferably, the kinematic link is curved bar structure.
Further improvement to above-mentioned handcart type breaker, the locking device further include being fixed on handcart type breaker
Guide part, the guide part, which is equipped with, to be penetrated to limit the pilot hole of guide rod radial direction freedom degree for the guide rod.
Further, one end hinged with kinematic link on the guide rod is provided with Stop structure, and the Stop structure exists
Block cooperation is generated when guide rod is moved far from rotating member with the guide part.
Further, the other end of the guide rod is connected with top guide, and the top guide constitutes the lock tongue.
Preferably, the elastic component is spring, and the spring is set on the guide rod between top guide and guide part.
The switchgear of the utility model adopts the following technical scheme that:
Switchgear includes the handcart type breaker being arranged in switchgear, and the handcart type breaker includes handcart ontology,
Handcart ontology is equipped with for handcart ontology to be locked at the locking device in switchgear, and locking device includes being used for expanding-contracting action
With the lock tongue mating to the corresponding lockhole in the switchgear, and it is rotatably mounted on the handcart-type ontology
Rotating member is equipped with for by the transmission connection knot for being converted into the flexible direct acting of lock tongue of rotating member between rotating member and lock tongue
Structure.
The utility model has the advantages that by the way that locking device is arranged on-board the circuit breaker, avoid occur in switchgear short circuit cause to it is disconnected
The case where road device is pushed out operating position provides powerful guarantee for safety work, and the locking device in the utility model
It is easy to operate, it is only necessary to which that the locking and unlatching of locking device can be realized in rotary motion part, facilitates the daily work of operating personnel
Industry.
Further improvement to above-mentioned switchgear, the transmission connecting structure include that guiding movement is assemblied in the handcart sheet
Guide rod on body, the lock tongue are located on the guide rod, and transmission connecting structure further includes that both ends correspondence is hinged on rotating member and leads
Kinematic link on bar, locking device further include the elastic component for applying the elastic acting force for driving lock tongue to stretch out to lock tongue.
Further, kinematic link hinge joint corresponding with rotating member is set to the first hinge joint, by kinematic link with lead
The corresponding hinge joint of bar is set to the second hinge joint, and the first hinge joint has unlock dead-centre position, place in rotating member rotation process
The two sides of the center of rotation axis of rotating member are in the first hinge joint of unlock dead-centre position and the second hinge joint, and two is hinged
Point line intersects with the center of rotation axis of rotating member, and lock tongue has the solution for being detached from the lockhole on its stroke that stretches
Lock-bit, when lock tongue is in solution lock-bit, the first hinge joint is in unlock dead-centre position or in the mistake for crossing unlock dead-centre position
Dead-centre position.The setting of dead-centre position is unlocked so that locking device does not need lasting apply to rotating member in unlock and rotates work
Firmly, locking device can voluntarily generate the elastic force for resisting elastic component after unlock, avoid operator from elapsing handcart-type disconnected
Road device also needs the case where applying resistance elastic component elastic force to rotating member.
Preferably, the kinematic link is curved bar structure.Curved bar structure can voluntarily turn under the action of rotating member
The rotation center of moving part.
Further improvement to above-mentioned switchgear, the locking device further include the guiding being fixed on handcart type breaker
Part, the guide part, which is equipped with, to be penetrated for the guide rod to limit the pilot hole of guide rod radial direction freedom degree.
Further improvement to above-mentioned switchgear, one end hinged with kinematic link is provided with block knot on the guide rod
Structure, the Stop structure generate block cooperation when guide rod is moved far from rotating member with the guide part.
Preferably, the other end of the guide rod is connected with top guide, and the top guide constitutes the lock tongue.
Preferably, the elastic component is spring, and the spring is set on the guide rod between top guide and guide part.
Detailed description of the invention
Fig. 1 is that the locking device of the embodiment 1 of the utility model handcart type breaker locks schematic diagram；
Fig. 2 is that the locking device of the embodiment 1 of the utility model handcart type breaker unlocks schematic diagram；
Fig. 3 is the guide rod schematic diagram of the embodiment 1 of the utility model handcart type breaker；
Fig. 4 is the top guide schematic diagram of the embodiment 1 of the utility model handcart type breaker；
Fig. 5 is the rotating disc schematic diagram of the embodiment 1 of the utility model handcart type breaker；
Fig. 6 is the overall structure diagram of the embodiment 1 of the utility model handcart type breaker；
In figure: 1- side plate, 2- rotating disc, 3- drive rod, 4- curved bar, 5- guide rod, 6- top guide, 7- spring, 8-L type bracket,
9- gasket, 10- through slot, 11- threaded hole, 12- through hole, 13- pin shaft, 14- cart frame, 15- chassis vehicle.
Specific embodiment
The embodiments of the present invention is described further with reference to the accompanying drawing.
The specific embodiment 1 of the handcart type breaker of the utility model:
As shown in Figure 1 and 2, the handcart type breaker of the present embodiment includes locking device, and locking device includes rotating member, curved
Bar 4 and guide rod 5.Rotating member be a discoidal rotating disc 2, specific structure as shown in figure 5, rotating disc 2 center
It is disposed with a through hole 12, the shape of through hole 12 is rectangular in the present embodiment, deviates and is fixed with two in the disk of rotating disc 2
A pin shaft 13 perpendicular to rotating disc 2, two pin shafts 13 are symmetrically distributed in rotating disc 2 by symmetrical centre of the center of rotating disc 2
Disk on, two pin shafts 13 radially there also is provided through-hole, the effect of through-hole be to be hinged on accessory on pin shaft 13 (including
Rotating member and kinematic link) it is fixed.The shape of curved bar 4 is similar to crescent moon type in the present embodiment.Guide rod 5 in the present embodiment
The specific structure is shown in FIG. 3, and guide rod 5 includes that one end outer peripheral surface has externally threaded thin cylinder and is connected to thin cylinder one end
And diameter is greater than the thick cylinder of thin cylinder, is disposed with through slot 10 on the end face of the one end of thick cylinder far from thin cylinder, through slot 10
Extending direction is arranged along the radial direction of thick cylinder.
The locking device of the present embodiment further includes the drive rod 3 in the through hole 12 that can be inserted freely on rotating disc 2, is driven
Lever 3 includes one section of square bar, and the rectangular size for being dimensioned slightly smaller than through hole 12 of square bar, drive rod 3 is in insertion through hole 12
When, it can realize and rotate synchronously under the rectangular outer peripheral surface of drive rod 3 and the square inner wall block mating reaction of through hole 12.
The locking device of the present embodiment further includes L-type support 8, and L-type support 8 constitutes the guide part, and the one of L-type support 8
Side plane is fixed on setting position, and L-type support 8 is fixed on the side side of breaker in the present embodiment, L-type support 8
Pilot hole is disposed on another side plane, pilot hole makes for penetrating for guide rod 5 and playing restriction effect to the movement of guide rod 5
Obtaining guide rod 5 can only move back and forth along the extending direction of pilot hole.
The nose threads of the guide rod 5 of the present embodiment are connected with top guide 6, and the specific structure of top guide 6 is as shown in figure 4, top guide 6
Global shape is cylindrical body, and the diameter of top guide 6 is greater than the diameter of thin cylinder on guide rod 5, and one end of top guide 6 is disposed with for guide rod 5
The threaded hole 11 of upper thin cylinder insertion, threaded hole 11 are arranged on the end face of top guide 6, and the other end of top guide 6 is cone-shaped structure,
The lesser one end of the diameter of cone-shaped structure is towards the front end of 5 direction of advance of guide rod, it should be noted that described in the present embodiment
Guide rod 5 forward travel refer to guide rod 5 occur far from rotating disc 2 motion mode, before guide rod 5 is along direction of advance
End is the front end of guide rod 5.
It is arranged with spring 7 on 5 sections of guide rod on guide rod 5 between L-type support 8 and top guide 6, spring 7 constitutes the bullet
Property part, spring 7 top guide 6 and the block of L-type support 8 effect under be compressed between the two, top guide 6 constitutes preceding Stop structure, L
Type bracket 8 constitutes Stop structure.
The handcart type breaker of the present embodiment further includes two side plates 1, is equipped on each side plate 1 and leads to for what top guide 6 penetrated
Hole.It is also arranged with gasket 9 in addition, being arranged on the thin cylinder of guide rod 5 of spring 7, gasket 9 is arranged between spring 7 and top guide 6.
Whole description is carried out to the connection relationship of each component of the locking device of the present embodiment handcart type breaker below:
The rotating disc of the present embodiment is located at the center of entire locking device, and the accessory structure of rotating disc two sides is identical,
Only the specific structure of rotating disc unilateral side is described herein, using rotating disc as starting point, is connected with curved bar 4, the curved bar 4 in turn
It is hingedly connected to rotating disc to deviate in the disk at turn disc center, the both ends of curved bar 4 are provided with perforation, and curved bar 4 passes through
On the pin shaft 13 for being installed on rotating disc 2 of one end, the other end and guide rod 5 of curved bar 4 are articulated and connected, and curved bar 4 is inserted into guide rod 5
On through slot 10, then carried out by axis also cross the hole of 10 two sides of perforation and through slot on curved bar 4 hinged.Guide rod
Pilot hole, spring 7 and the gasket 9 in L-type support 8 are sequentially passed through from 5 rear end of guide rod to 5 front end of guide rod on 5 thin cylinder, are led
The nose threads of bar 5 are connected with top guide 6.Top guide 6 penetrates the through-hole being arranged on breaker side plate 1.As shown in fig. 6, locking dress
It sets on the cart frame 14 for being fixed on handcart type breaker, cart frame 14 is fixed on chassis vehicle 15.
Drive rod 3 when in use, is first inserted into passing through on rotating disc 2 by the locking device of the handcart type breaker of the present embodiment
Through-hole 12 makes curved bar 4 generate the movement far from rotating disc 2 by rotating drive rod 3, and curved bar 4 pushes guide rod 5, guide rod 5 at this time
On top guide 6 insertion setting position, during locking, spring 7 to top guide 6 apply advance active force, facilitate guide rod 5
It is mobile.When needing to unlock locking device, by backwards rotation drive rod 3, so that curved bar 4 is held tightly around drive rod 3, this
When guide rod 5 it is mobile to 2 side of rotating disc under the drive of curved bar 4, the top guide 6 on guide rod 5 detaches setting position, to realize lock
The unlatching of tight device.It should be noted that first that the hinge joint of curved bar 4 and rotating disc 2 is constituted is cut with scissors in locking device unlock
Contact, the first hinge joint position is unlock dead-centre position at this time.
1 improvement based on the above embodiment: rotating member is the rod-like structure that can be rotated around its center generation center,
The both ends of rod-like structure and connecting rod are articulated and connected.
1 improvement based on the above embodiment: the number of the L-type support passed through on each guide rod is more than one, and spring is arranged
Between the L-type support and top guide of the front end along guide rod direction of advance.
1 improvement based on the above embodiment: the shape of connecting rod is V-type, and the shape of connecting rod may be linear type.
1 improvement based on the above embodiment: be fixed on the connecting rod on rotating disc number can according to the actual situation into
Row adjustment, when needing unilateral progressive locking, the number of connecting rod can be one, when need to lock it is stronger when,
Three or more connecting rods can also be arranged on rotating disc.
1 improvement based on the above embodiment: top guide and guide rod integrated setting, top guide are directly pertaining to a part of guide rod.
1 improvement based on the above embodiment: the articulated manner between connecting rod and rotating disc, connecting rod and guide rod can adopt
With other articulated manners, for example, the end face at connecting rod both ends is arranged with the logical of shape guide rod as in example 1 above
Slot, the through slot of rotating disc insertion connecting rod one end are simultaneously hingedly fixed by pin shaft, and guide rod side is using above-mentioned same
Fixed form.
In other embodiments, drive rod can be directly anchored on rotating disc, drive rod and rotating disc integrated setting；
The cross sectional shape of drive rod can be using other polygonal shapes such as triangle, pentagon, or semicircle or even shape
The irregular special-shaped figure of shape, as long as the shape with through hole matches.
The embodiment 1 of the switchgear of the utility model: the inside of switchgear is equipped with the above-mentioned breaker with locking device,
The lockhole for top guide insertion in above-mentioned locking device is disposed on switchgear, lockhole can be blind hole or through-hole, in this way in open circuit
When locking device on device locks, top guide and blind hole or through-hole will form the mutual block of top guide circumferential surface and hole wall, to realize
By breaker into line-locked purpose.
The other embodiments of the switchgear of the utility model: including the breaker being provided at its inner portion, open circuit in switchgear
Locking device is installed, the structure of switchgear inner breaker is identical as the specific structure of above-mentioned breaker, no longer superfluous herein on device
It states.
Claims (16)
1. handcart type breaker, including handcart ontology, it is characterised in that: handcart ontology is equipped with for handcart ontology to be locked at
Locking device in switchgear, locking device include for expanding-contracting action with mating to the corresponding lockhole in the switchgear
Lock tongue, and the rotating member being rotatably mounted on the handcart-type ontology is equipped with for will between rotating member and lock tongue
The transmission connecting structure for being converted into the flexible direct acting of lock tongue of rotating member.
2. handcart type breaker according to claim 1, it is characterised in that: the transmission connecting structure includes guiding movement
The guide rod being assemblied on the handcart ontology, the lock tongue are located on the guide rod, and transmission connecting structure further includes that both ends are corresponding
The kinematic link being hinged on rotating member and guide rod, locking device further include for applying the elasticity for driving lock tongue to stretch out to lock tongue
The elastic component of active force.
3. handcart type breaker according to claim 2, it is characterised in that: kinematic link is corresponding with rotating member hinged
Point is set to the first hinge joint, kinematic link hinge joint corresponding with guide rod is set to the second hinge joint, in rotating member rotation process
In the first hinge joint have unlock dead-centre position, in unlock dead-centre position the first hinge joint and the second hinge joint be in rotate
The two sides of the center of rotation axis of part, and two hinge joint lines intersect with the center of rotation axis of rotating member, lock tongue is flexible at it
There is the solution lock-bit for being detached from the lockhole, when lock tongue is in solution lock-bit, it is locked that the first hinge joint is in solution on stroke
Put position or in the dead-centre position excessively for crossing unlock dead-centre position.
4. handcart type breaker according to claim 3, it is characterised in that: the kinematic link is curved bar.
5. handcart type breaker according to any one of claim 2 to 4, it is characterised in that: the locking device also wraps
The guide part being fixed on handcart type breaker is included, the guide part, which is equipped with, to be penetrated for the guide rod to limit guide rod radial direction certainly
By the pilot hole spent.
6. handcart type breaker according to claim 5, it is characterised in that: hinged with kinematic link one on the guide rod
End is provided with Stop structure, and the Stop structure generates block cooperation when guide rod is moved far from rotating member with the guide part.
7. handcart type breaker according to claim 6, it is characterised in that: the other end of the guide rod is connected with top guide,
The top guide constitutes the lock tongue.
8. handcart type breaker according to claim 6 or 7, it is characterised in that: the elastic component is spring, the spring
It is set on the guide rod between top guide and guide part.
9. switchgear, including the handcart type breaker being arranged in switchgear, the handcart type breaker includes handcart ontology,
Be characterized in that: handcart ontology is equipped with the locking device for being locked at handcart ontology in switchgear, and locking device includes using
In expanding-contracting action with the lock tongue mating to the corresponding lockhole in the switchgear, and it is rotatably mounted at the handcart
Rotating member on formula ontology is equipped with for by the biography for being converted into the flexible direct acting of lock tongue of rotating member between rotating member and lock tongue
Dynamic connection structure.
10. switchgear according to claim 9, it is characterised in that: the transmission connecting structure includes guiding movement assembly
Guide rod on the handcart ontology, the lock tongue are located on the guide rod, and transmission connecting structure further includes that both ends are corresponding hinged
Kinematic link on rotating member and guide rod, locking device further include for applying the elastic reaction for driving lock tongue to stretch out to lock tongue
The elastic component of power.
11. switchgear according to claim 10, it is characterised in that: determine kinematic link hinge joint corresponding with rotating member
For the first hinge joint, kinematic link hinge joint corresponding with guide rod is set to the second hinge joint, in rotating member rotation process
One hinge joint has unlock dead-centre position, and the first hinge joint and the second hinge joint in unlock dead-centre position are in rotating member
The two sides of center of rotation axis, and two hinge joint lines intersect with the center of rotation axis of rotating member, lock tongue is in its stroke that stretches
The upper solution lock-bit with for being detached from the lockhole, when lock tongue is in solution lock-bit, the first hinge joint is in solution locked-up point position
It sets or in the dead-centre position excessively for crossing unlock dead-centre position.
12. switchgear according to claim 11, it is characterised in that: the kinematic link is curved bar.
13. switchgear according to any one of claims 10 to 12, it is characterised in that: the locking device further includes solid
The guide part being scheduled on handcart type breaker, the guide part, which is equipped with, to be penetrated for the guide rod to limit guide rod radial direction freedom degree
Pilot hole.
14. switchgear according to claim 13, it is characterised in that: one end hinged with kinematic link is set on the guide rod
It is equipped with Stop structure, the Stop structure generates block cooperation when guide rod is moved far from rotating member with the guide part.
15. switchgear according to claim 14, it is characterised in that: the other end of the guide rod is connected with top guide, described
Top guide constitutes the lock tongue.
16. switchgear according to claim 14 or 15, it is characterised in that: the elastic component is spring, the spring pocket
It is located on the guide rod between top guide and guide part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820702872.6U CN208257246U (en) | 2018-05-11 | 2018-05-11 | Handcart type breaker and the switchgear for using the handcart type breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820702872.6U CN208257246U (en) | 2018-05-11 | 2018-05-11 | Handcart type breaker and the switchgear for using the handcart type breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208257246U true CN208257246U (en) | 2018-12-18 |
Family
ID=64635248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820702872.6U Withdrawn - After Issue CN208257246U (en) | 2018-05-11 | 2018-05-11 | Handcart type breaker and the switchgear for using the handcart type breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208257246U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113224681A (en) * | 2021-05-29 | 2021-08-06 | 武汉中谨盛通新能源科技开发有限公司 | Suspension type direct current quick breaker handcart |
| CN114825142A (en) * | 2022-05-26 | 2022-07-29 | 国网河北省电力有限公司石家庄供电分公司 | Handcart type circuit breaker replacing method |
-
2018
- 2018-05-11 CN CN201820702872.6U patent/CN208257246U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113224681A (en) * | 2021-05-29 | 2021-08-06 | 武汉中谨盛通新能源科技开发有限公司 | Suspension type direct current quick breaker handcart |
| CN114825142A (en) * | 2022-05-26 | 2022-07-29 | 国网河北省电力有限公司石家庄供电分公司 | Handcart type circuit breaker replacing method |
| CN114825142B (en) * | 2022-05-26 | 2024-03-12 | 国网河北省电力有限公司石家庄供电分公司 | Handcart type breaker replacement method |
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