CN213753731U - Movable mounting trolley for high-voltage circuit breaker - Google Patents
Movable mounting trolley for high-voltage circuit breaker Download PDFInfo
- Publication number
- CN213753731U CN213753731U CN202021923849.3U CN202021923849U CN213753731U CN 213753731 U CN213753731 U CN 213753731U CN 202021923849 U CN202021923849 U CN 202021923849U CN 213753731 U CN213753731 U CN 213753731U
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- cross
- wall
- alignment pin
- circuit breaker
- trolley
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- Expired - Fee Related
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- 238000009434 installation Methods 0.000 claims abstract description 6
- 230000003028 elevating effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a high voltage circuit breaker removes installation dolly, including the dolly body, the gyro wheel is installed to dolly body bottom, dolly body internally mounted has hydraulic lift, the hydraulic lift top is equipped with the backup pad, dolly body antetheca is equipped with safety locking mechanism. The utility model discloses the dolly is equipped with safety locking mechanism, can lock the dolly on high-voltage distribution cabinet during operation, prevents to remove, places in the backup pad after high-voltage circuit breaker takes out, and elevating system descends, can move down the high-voltage circuit breaker focus and place in inside the dolly, has guaranteed equipment and personnel's safety to avoid the emergence of electrical safety accident, also improved work efficiency simultaneously.
Description
Technical Field
The utility model relates to a mechanical tool technical field, concretely relates to high voltage circuit breaker removes installation dolly.
Background
Electrical workers often need to draw out the high-voltage circuit breaker from the high-voltage distribution cabinet and then perform various tests or maintenance work on the high-voltage circuit breaker. The circuit breaker trolley can move after being drawn out, the existing circuit breaker trolley has many defects, firstly, the existing trolley does not have a locking mechanism, and the trolley can slide out in the process of drawing out the high-voltage circuit breaker to cause the falling of the high-voltage circuit breaker; secondly, the trolley is fixed and cannot be lifted and descended, the weight of the high-voltage circuit breaker is larger and can reach 200-300 kilograms, and the trolley is easy to topple and damage or hurt people due to high gravity in the moving process.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the shortcoming that prior art exists, provide a high voltage circuit breaker removes installation dolly.
In order to realize the purpose, the technical scheme of the utility model is that: the utility model provides a high voltage circuit breaker removes installation dolly which characterized in that: the trolley comprises a trolley body, the idler wheels are installed at the bottom of the trolley body, a hydraulic elevator is installed inside the trolley body, a supporting plate is arranged at the top of the hydraulic elevator, a safety locking mechanism is arranged on the front wall of the trolley body and comprises a linkage locking pin and an alignment pin which is in linkage locking with the linkage locking pin, the alignment pin is arranged on the outer side of the front wall of the trolley body, the linkage locking pin is arranged on the inner side of the front wall of the trolley body, and the alignment pin penetrates through the front wall of the trolley body and is in linkage with the linkage locking pin.
Further, the method comprises the following steps of; the alignment pin comprises an alignment pin shell, a cross rod and a spherical lock head, the alignment pin shell is of a hollow cylindrical structure, the front end of the alignment pin shell is closed, the cross rod is arranged in the alignment pin shell, the front end of the cross rod is connected with the alignment pin shell through a first spring, a first annular clamping groove is formed in the wall of the cross rod, annular lug pieces are arranged on the outer wall of the spherical lock head, cross-shaped grooves are symmetrically formed in the upper wall and the lower wall of the alignment pin shell, the spherical lock head is arranged in the cross-shaped grooves, the top of the spherical lock head protrudes out of the alignment pin shell, the bottom of the spherical lock head abuts against the cross rod, a limiting spring is arranged in the cross-shaped grooves and is sleeved with the spherical lock head, the bottom of the limiting spring is connected with the annular lug pieces, and the top of the limiting spring is connected with the cross-shaped groove wall;
the interlocking pin comprises an interlocking pin shell and a cross-shaped vertical rod, the interlocking pin shell is of a hollow cylindrical structure, an annular groove is formed in the inner wall of the interlocking pin shell, the cross-shaped vertical rod is arranged inside the interlocking pin shell, a second annular clamping groove is formed in the wall of the cross-shaped vertical rod, a second spring is arranged in the annular groove, the second spring is sleeved with the cross-shaped vertical rod, the top of the second spring is connected with the cross-shaped vertical rod, and the bottom of the second spring is connected with the wall of the annular groove;
the rear end of the alignment pin penetrates through the front wall of the trolley body and the interlocking pin shell, when the cross-shaped vertical rod moves downwards relative to the interlocking pin shell, the rear end of the cross rod can be inserted into the second annular clamping groove under the pressure of a first spring, and the spherical lock head is inserted into the first annular clamping groove under the pressure of a limiting spring; the rear wall of the trolley body is provided with a locking pedal, and the locking pedal is connected with the lower end of the cross-shaped upright rod through a pull wire.
Further, the method comprises the following steps of; the rear end of the cross rod is hemispherical.
Further, the method comprises the following steps of; the lifting pedal is arranged on the rear wall of the trolley body and connected with a hydraulic pump, the hydraulic pump is arranged inside the trolley body, and the hydraulic pump is connected with a hydraulic telescopic rod of a hydraulic lifter.
Further, the method comprises the following steps of; the backup pad left and right sides and rear side all are equipped with the backplate.
Further, the method comprises the following steps of; the rear wall of the trolley body is provided with a handrail.
The utility model has the advantages that: the utility model discloses the dolly is equipped with safety locking mechanism, can lock the dolly on high-voltage distribution cabinet during operation, prevents to remove, places in the backup pad after high-voltage circuit breaker takes out, and elevating system descends, can move down the high-voltage circuit breaker focus and place in inside the dolly, has guaranteed equipment and personnel's safety to avoid the emergence of electrical safety accident, also improved work efficiency simultaneously.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the cart body;
FIG. 3 is a rear cross-sectional view of the safety locking mechanism;
FIG. 4 is a rear cross-sectional view of the safety locking mechanism unlocked;
FIG. 5 is an enlarged schematic view of A in FIG. 3;
fig. 6 is a schematic view of the usage state of the present invention.
In the figure: 1. a trolley body; 11. a roller; 12. a handrail; 13. a lifting pedal; 14. a lock-up pedal; 15. a hydraulic pump; 16. a pull wire; 2. a hydraulic lift; 3. a support plate; 31. a guard plate; 4. a lock pin is connected; 41. an interlocking pin housing; 42. a cross-shaped upright rod; 43. an annular groove; 44. a second annular card slot; 45. a second spring; 5. an alignment pin; 51. aligning the pin shell; 52. a cross bar; 53. a ball lock head; 54. a first spring; 55. a first ring-shaped card slot; 56. an annular tab; 57. spacing spring, 6, high voltage circuit breaker.
Detailed Description
Example (b):
as shown in fig. 1 to 5, a high voltage circuit breaker movable installation dolly, includes dolly body 1, gyro wheel 11 is installed to dolly body 1 bottom, dolly body 1 internally mounted has hydraulic lift 2, hydraulic lift 2 top is equipped with backup pad 3, 3 left and right sides of backup pad and rear side all are equipped with backplate 31, dolly body 1 back wall is equipped with handrail 12, dolly body 1 antetheca is equipped with safety locking mechanism, safety locking mechanism includes interlocking pin 4 and counterpoint pin 5 with interlocking pin 4 interlock locking, counterpoint pin 5 is located dolly body 1 antetheca outside, interlocking pin 4 is located dolly body 1 antetheca inboard.
The alignment pin 5 comprises an alignment pin shell 51, a cross rod 52 and a spherical lock 53, wherein the alignment pin shell 51 is of a hollow cylindrical structure, the front end of the alignment pin shell is closed, the cross rod 52 is arranged inside the alignment pin shell 51, the front end of the cross rod 52 is connected with the alignment pin shell 51 through a first spring 54, the rear end of the cross rod 52 is hemispherical, a first annular clamping groove 55 is formed in the wall of the cross rod 52, an annular lug 56 is arranged on the outer wall of the spherical lock 53, cross-shaped grooves are symmetrically formed in the upper wall and the lower wall of the alignment pin shell 51, the spherical lock 53 is arranged in the cross-shaped grooves, the top of the spherical lock 53 protrudes out of the alignment pin shell 51, the bottom of the spherical lock is abutted against the cross rod 52, a limiting spring 57 is arranged in the cross-shaped groove, the spherical lock 53 is sleeved with the limiting spring 57, and the bottom of the limiting spring 57 is connected with the annular lug 56 and the top of the cross-shaped groove;
the interlocking pin 4 comprises an interlocking pin shell 41 and a cross-shaped upright rod 42, the interlocking pin shell 41 is of a hollow cylindrical structure, an annular groove 43 is formed in the inner wall of the interlocking pin shell, the cross-shaped upright rod 42 is arranged inside the interlocking pin shell 41, a second annular clamping groove 44 is formed in the wall of the cross-shaped upright rod 42, a second spring 45 is arranged in the annular groove 43, the second spring 45 is sleeved with the cross-shaped upright rod 42, the top of the second spring 45 is connected with the cross-shaped upright rod 42, and the bottom of the second spring is connected with the wall of the annular groove 43;
the rear end of the alignment pin 5 penetrates through the front wall of the trolley body 1 and the interlocking pin shell 41, when the cross-shaped upright rod 42 moves downwards relative to the interlocking pin shell 41, the rear end of the cross rod 52 can be inserted into the second annular clamping groove 44 under the pressure of a first spring 54, and the spherical lock head 53 is inserted into the first annular clamping groove 55 under the pressure of a limiting spring 57;
the rear wall of the trolley body 1 is provided with a lifting pedal 13 and a locking pedal 14, the lifting pedal 13 is connected with a hydraulic pump 15, the hydraulic pump 15 is arranged inside the trolley body 1, the hydraulic pump 15 is connected with a hydraulic telescopic rod of the hydraulic lifter 2, and the locking pedal 14 is connected with the lower end of a cross-shaped upright rod 42 through a pull wire 16.
When the trolley is used, the trolley is pushed to the high-voltage distribution cabinet, the lifting pedal 13 is stepped on, and the hydraulic pump 15 controls the hydraulic lifter 2 to ascend so that the supporting plate 3 is flush with the top of the trolley body 1. Then the locking pedal 14 is stepped down, the pull wire 16 is pulled, the pull wire 16 drives the cross-shaped vertical rod 42 to move downwards, when the second annular clamping groove 44 is aligned with the cross rod 52, the cross rod 52 is inserted into the second annular clamping groove 44 under the pressure of the first spring 54, at the moment, the first annular clamping groove 55 is aligned with the spherical lock 53, the spherical lock 53 is inserted into the first annular clamping groove 55 under the pressure of the limiting spring 57, the top of the spherical lock 53 is flush with the alignment pin shell 51, the alignment pin 5 is inserted into the positioning pin hole of the high-voltage power distribution cabinet, the locking pedal 14 is released, the cross-shaped vertical rod 42 moves upwards under the pressure of the second spring 45 to return, the cross rod 52 returns to compress the first spring 54, the spherical lock 53 returns, and the top of the cross-shaped vertical rod protrudes out of the alignment pin shell 51 to lock the trolley. The high voltage circuit breaker 6 is then withdrawn and placed on the support plate 3, as shown in fig. 6. And (3) releasing the lifting pedal 13, controlling the hydraulic lifter 2 to descend by the hydraulic pump 15, then pressing the locking pedal 14, pulling out the trolley and then releasing the locking pedal 14.
The above-described embodiments are merely preferred and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Claims (6)
1. The utility model provides a high voltage circuit breaker removes installation dolly which characterized in that: the trolley comprises a trolley body, the idler wheels are installed at the bottom of the trolley body, a hydraulic elevator is installed inside the trolley body, a supporting plate is arranged at the top of the hydraulic elevator, a safety locking mechanism is arranged on the front wall of the trolley body and comprises a linkage locking pin and an alignment pin which is in linkage locking with the linkage locking pin, the alignment pin is arranged on the outer side of the front wall of the trolley body, the linkage locking pin is arranged on the inner side of the front wall of the trolley body, and the alignment pin penetrates through the front wall of the trolley body and is in linkage with the linkage locking pin.
2. The high voltage circuit breaker mobile mounting trolley of claim 1, wherein: the alignment pin comprises an alignment pin shell, a cross rod and a spherical lock head, the alignment pin shell is of a hollow cylindrical structure, the front end of the alignment pin shell is closed, the cross rod is arranged in the alignment pin shell, the front end of the cross rod is connected with the alignment pin shell through a first spring, a first annular clamping groove is formed in the wall of the cross rod, annular lug pieces are arranged on the outer wall of the spherical lock head, cross-shaped grooves are symmetrically formed in the upper wall and the lower wall of the alignment pin shell, the spherical lock head is arranged in the cross-shaped grooves, the top of the spherical lock head protrudes out of the alignment pin shell, the bottom of the spherical lock head abuts against the cross rod, a limiting spring is arranged in the cross-shaped grooves and is sleeved with the spherical lock head, the bottom of the limiting spring is connected with the annular lug pieces, and the top of the limiting spring is connected with the cross-shaped groove wall;
the interlocking pin comprises an interlocking pin shell and a cross-shaped vertical rod, the interlocking pin shell is of a hollow cylindrical structure, an annular groove is formed in the inner wall of the interlocking pin shell, the cross-shaped vertical rod is arranged inside the interlocking pin shell, a second annular clamping groove is formed in the wall of the cross-shaped vertical rod, a second spring is arranged in the annular groove, the second spring is sleeved with the cross-shaped vertical rod, the top of the second spring is connected with the cross-shaped vertical rod, and the bottom of the second spring is connected with the wall of the annular groove;
the rear end of the alignment pin penetrates through the front wall of the trolley body and the interlocking pin shell, when the cross-shaped vertical rod moves downwards relative to the interlocking pin shell, the rear end of the cross rod can be inserted into the second annular clamping groove under the pressure of a first spring, and the spherical lock head is inserted into the first annular clamping groove under the pressure of a limiting spring; the rear wall of the trolley body is provided with a locking pedal, and the locking pedal is connected with the lower end of the cross-shaped upright rod through a pull wire.
3. The high voltage circuit breaker mobile mounting trolley of claim 2, wherein: the rear end of the cross rod is hemispherical.
4. The high voltage circuit breaker mobile mounting trolley of claim 1, wherein: the lifting pedal is arranged on the rear wall of the trolley body and connected with a hydraulic pump, the hydraulic pump is arranged inside the trolley body, and the hydraulic pump is connected with a hydraulic telescopic rod of a hydraulic lifter.
5. The high voltage circuit breaker mobile mounting trolley of claim 1, wherein: the backup pad left and right sides and rear side all are equipped with the backplate.
6. The high voltage circuit breaker mobile mounting trolley of claim 1, wherein: the rear wall of the trolley body is provided with a handrail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021923849.3U CN213753731U (en) | 2020-09-04 | 2020-09-04 | Movable mounting trolley for high-voltage circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021923849.3U CN213753731U (en) | 2020-09-04 | 2020-09-04 | Movable mounting trolley for high-voltage circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213753731U true CN213753731U (en) | 2021-07-20 |
Family
ID=76841956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021923849.3U Expired - Fee Related CN213753731U (en) | 2020-09-04 | 2020-09-04 | Movable mounting trolley for high-voltage circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213753731U (en) |
-
2020
- 2020-09-04 CN CN202021923849.3U patent/CN213753731U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shandong Guoneng Petrochemical Import and Export Co.,Ltd. Assignor: LIHUA YILIJIN REFINERY Co.,Ltd. Contract record no.: X2023980031897 Denomination of utility model: Mobile installation trolley for high-voltage circuit breaker Granted publication date: 20210720 License type: Common License Record date: 20230207 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210720 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |