CN214031592U - Lifting trolley for testing high-voltage circuit breaker - Google Patents
Lifting trolley for testing high-voltage circuit breaker Download PDFInfo
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- CN214031592U CN214031592U CN202022334435.3U CN202022334435U CN214031592U CN 214031592 U CN214031592 U CN 214031592U CN 202022334435 U CN202022334435 U CN 202022334435U CN 214031592 U CN214031592 U CN 214031592U
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Abstract
The utility model discloses a lift dolly is used in test of high voltage circuit breaker, the on-line screen storage device comprises a base, two push rods of right-hand member fixedly connected with of base, run through in the base and be equipped with rather than rotating the rotary rod of being connected, the right-hand member fixedly connected with hand wheel of rotary rod, the top of base is equipped with the sliding plate, be equipped with elevating system between rotary rod and the sliding plate, be equipped with fixture on the sliding plate, be equipped with two on the base and prevent displacement mechanism, two prevent that displacement mechanism sets up around being, four universal wheels of bottom fixedly connected with of base. The utility model has reasonable structure, and the height of the sliding plate and the supporting plate can be adjusted by rotating the hand wheel, thereby being convenient for carrying the high-voltage circuit breaker; the high-voltage circuit breaker can be fixed by matching the limiting plate with the clamping plate, so that the high-voltage circuit breaker is prevented from bumping and separating from the trolley; the trolley is kept static during carrying through the matching of the first magnet and the second magnet, and the trolley is simple and practical.
Description
Technical Field
The utility model relates to a high voltage circuit breaker intelligent test diagnoses technical field, especially relates to a lift dolly is used in high voltage circuit breaker test.
Background
High-voltage circuit breakers, one of the most critical electrical devices in the grid, have the ability to break and close load currents and to break short-circuit currents in the event of a fault; once a high-voltage circuit breaker breaks down, the safety and stable operation of a power grid are seriously threatened, and adverse social effects and major economic losses are caused.
In the electrical test process, the high-voltage circuit breaker needs to be transferred from the application platform to the intelligent test platform, and then the trolley is needed to transport; meanwhile, the high-voltage circuit breaker can slightly vibrate in the moving process, and if the vibration amplitude is overlarge, the high-voltage circuit breaker can fall off from a vehicle to cause damage; when the high-voltage circuit breaker is moved away from the application platform or moved to the intelligent test platform, the trolley is easy to shake, so that danger is easy to occur.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects in the prior art, and provides a lifting trolley for testing a high-voltage circuit breaker, which can adjust the heights of a sliding plate and a supporting plate through a rotating hand wheel, thereby facilitating the carrying of the high-voltage circuit breaker; the high-voltage circuit breaker can be fixed by matching the limiting plate with the clamping plate, so that the high-voltage circuit breaker is prevented from bumping and separating from the trolley; the trolley is kept static during carrying through the matching of the first magnet and the second magnet, and the trolley is simple and practical.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a lift dolly is used in test of high voltage circuit breaker, includes the base, two push rods of right-hand member fixedly connected with of base, run through in the base and be equipped with rather than rotating the rotary rod of being connected, the right-hand member fixedly connected with hand wheel of rotary rod, the top of base is equipped with the sliding plate, be equipped with elevating system between rotary rod and the sliding plate, be equipped with fixture on the sliding plate, be equipped with two on the base and prevent displacement mechanism, two prevent that displacement mechanism sets up around being, four universal wheels of bottom fixedly connected with of base.
Preferably, elevating system is including setting up on the base and rather than fixed connection's support column, fixedly connected with gag lever post on the base, fixedly connected with first bevel gear on the rotary rod, first bevel gear rotates with the base to be connected, first bevel gear meshing has second bevel gear, second bevel gear rotates with the base to be connected, second bevel gear fixedly connected with dwang, the dwang runs through the base and rotates rather than being connected, the dwang imbeds in the support column and rotates rather than being connected, the dwang runs through the sliding plate and rather than threaded connection, the gag lever runs through the sliding plate and rather than sliding connection.
Preferably, the clamping mechanism comprises two sliding limit blocks arranged in the sliding plate and connected with the sliding plate in a sliding manner, flexible springs are fixedly connected between the opposite ends of the two sliding limit blocks and the sliding plate, connecting plates are fixedly connected to the two sliding limit blocks, the two connecting plates penetrate through the sliding plate and are connected with the sliding plate in a sliding manner, the two connecting plates jointly penetrate through the sliding plate and are connected with the supporting plate in a sliding manner, the supporting plate comprises a supporting plate, a first spring, two telescopic rods, two clamping plates, a second spring and two telescopic rods, wherein the front end and the rear end of the supporting plate are fixedly connected with limiting plates, the first spring is fixedly connected between the supporting plate and the sliding plate, the opposite ends of the two connecting plates are fixedly connected with telescopic rods, the output ends of the two telescopic rods are fixedly connected with the clamping plates, the output ends of the two telescopic rods are sleeved with the second springs, and the two ends of the two second springs are fixedly connected with the corresponding telescopic rods and the corresponding clamping plates respectively.
Preferably, the anti-displacement mechanism comprises a sliding rod penetrating through the base and connected with the base in a sliding manner, the bottom of the sliding rod is fixedly connected with a ground grabbing disc, a fixed rod is fixedly connected onto the sliding rod, a third spring is sleeved on the sliding rod, two ends of the third spring are respectively fixedly connected with the fixed rod and the base, a first magnet is fixedly connected onto the top of the sliding rod, and a second magnet matched with the first magnet is arranged at the bottom of the sliding plate.
Preferably, the connecting plate is fixedly connected with a wedge block, and the supporting plate is provided with a wedge groove matched with the wedge block.
Preferably, the bottom of base fixedly connected with four supporting legs, four the supporting leg all is through bolt and base fixed connection, four the equal fixedly connected with universal wheel in bottom of supporting leg.
Compared with the prior art, the utility model, its beneficial effect does:
1. the hand wheel is held to rotate, so that the rotating rod, the first bevel gear, the second bevel gear and the rotating rod are driven to rotate to adjust the height of the sliding plate, and the labor amount of workers for carrying the high-voltage circuit breaker is reduced.
2. Meanwhile, the sliding plate moves upwards to drive the second magnet to move upwards until the second magnet is separated from the first magnet, the fixed rod, the sliding rod, the first magnet and the ground grabbing disc are driven to move downwards under the action of the third spring, and the ground grabbing disc moves downwards to abut against the ground so that the trolley is kept static when the high-voltage circuit breaker is carried, and danger caused by movement of the trolley in the carrying process is avoided.
3. The staff moves the high voltage circuit breaker from the application platform to the backup pad again, makes the backup pad move down the compression of first spring, and the backup pad moves down and drives slip stopper, connecting plate, telescopic link, second spring, grip block and move towards each other, makes the telescopic link shrink and the compression of second spring until grip block and high voltage circuit breaker contact, carries out the centre gripping to the high voltage circuit breaker, can avoid leading to high voltage circuit breaker to break away from the dolly and damage because of jolting of dolly through the cooperation of limiting plate and grip block.
In conclusion, the heights of the sliding plate and the supporting plate can be adjusted by rotating the hand wheel, so that the high-voltage circuit breaker is convenient to carry; the high-voltage circuit breaker can be fixed by matching the limiting plate with the clamping plate, so that the high-voltage circuit breaker is prevented from bumping and separating from the trolley; the trolley is kept static during carrying through the matching of the first magnet and the second magnet, and the trolley is simple and practical.
Drawings
Fig. 1 is a cross-sectional view of a lift car for testing a high voltage circuit breaker according to the present invention;
fig. 2 is the utility model provides a lift dolly is used in test of high voltage circuit breaker's side view.
In the figure: the device comprises a base 1, a push rod 2, a rotating rod 3, a hand wheel 4, a first bevel gear 5, a second bevel gear 6, a rotating rod 7, a supporting column 8, a limiting rod 9, a sliding plate 10, a sliding limiting block 11, a connecting plate 12, a supporting plate 13, a limiting plate 14, a first spring 15, a telescopic rod 16, a second spring 17, a clamping plate 18, a flexible spring 19, a sliding rod 20, a ground grabbing disc 21, a fixing rod 22, a third spring 23, a first magnet 24, a second magnet 25 and a universal wheel 26.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-2, a lifting trolley for testing a high-voltage circuit breaker comprises a base 1, two push rods 2 are fixedly connected to the right end of the base 1, a rotary rod 3 rotatably connected with the base 1 penetrates through the base 1, a hand wheel 4 is fixedly connected to the right end of the rotary rod 3, a sliding plate 10 is arranged above the base 1, a lifting mechanism is arranged between the rotary rod 3 and the sliding plate 10, the lifting mechanism comprises a support pillar 8 fixedly connected with the base 1, a limit rod 9 is fixedly connected with the base 1, a first bevel gear 5 is fixedly connected with the rotary rod 3, the first bevel gear 5 is rotatably connected with the base 1, a second bevel gear 6 is meshed with the first bevel gear 5, the second bevel gear 6 is rotatably connected with the base 1, a rotary rod 7 is fixedly connected with the second bevel gear 6, the rotary rod 7 penetrates through the base 1 and is rotatably connected with the base 1, the rotary rod 7 is embedded in the support pillar 8 and is rotatably connected with the support pillar, the rotating rod 7 penetrates through the sliding plate 10 and is in threaded connection with the sliding plate, the limiting rod 9 penetrates through the sliding plate 10 and is in sliding connection with the sliding plate, the hand wheel 4 is held, the height of the sliding plate 10 is adjusted in a rotating mode, and the labor amount of workers for carrying the high-voltage circuit breaker is reduced.
The sliding plate 10 is provided with a clamping mechanism, the clamping mechanism comprises two sliding limit blocks 11 which are arranged in the sliding plate 10 and are connected with the sliding plate in a sliding way, flexible springs 19 are fixedly connected between opposite ends of the two sliding limit blocks 11 and the sliding plate 10, connecting plates 12 are fixedly connected on the two sliding limit blocks 11, the two connecting plates 12 penetrate through the sliding plate 10 and are connected with the sliding plate in a sliding way, the two connecting plates 12 jointly penetrate through and are connected with a supporting plate 13 in a sliding way, limiting plates 14 are fixedly connected at the front end and the rear end of the supporting plate 13, a first spring 15 is fixedly connected between the supporting plate 13 and the sliding plate 10, telescopic rods 16 are fixedly connected at opposite ends of the two connecting plates 12, clamping plates 18 are fixedly connected at output ends of the two telescopic rods 16, second springs 17 are sleeved at output ends of the two telescopic rods 16, and two ends of the two second springs 17 are respectively fixedly connected with the corresponding telescopic rods 16 and the clamping plates 18, the high-voltage circuit breaker can be fixed by matching the limiting plate 14 with the clamping plate 18, and the high-voltage circuit breaker is prevented from bumping and separating from the trolley.
The base 1 is provided with two displacement prevention mechanisms, each displacement prevention mechanism comprises a sliding rod 20 which penetrates through the base 1 and is in sliding connection with the base, the bottom of each sliding rod 20 is fixedly connected with a ground grabbing disc 21, each ground grabbing disc 21 consists of a circular disc and a plurality of ground grabbing teeth, the plurality of ground grabbing teeth are fixedly connected with the bottom of the circular disc, a fixed rod 22 is fixedly connected with each sliding rod 20, each sliding rod 20 is sleeved with a third spring 23, two ends of each third spring 23 are respectively fixedly connected with the fixed rod 22 and the base 1, the top of each sliding rod 20 is fixedly connected with a first magnet 24, the bottom of each sliding plate 10 is provided with a second magnet 25 which is matched with the first magnet 24, opposite end magnetism of each first magnet 24 is opposite to that of each second magnet 25, the two displacement prevention mechanisms are arranged in the front and back mode, the bottom of the base 1 is fixedly connected with four universal wheels 26, the bottom of the base 1 is fixedly connected with four supporting legs, and the four supporting legs are fixedly connected with the base 1 through bolts, the bottoms of the four supporting legs are fixedly connected with universal wheels 26.
In the utility model, when the high-voltage circuit breaker is removed from the application platform, the push rod 2 is held to push the device to the destination, and then the hand wheel 4 is held to rotate, so as to drive the rotary rod 3, the first bevel gear 5, the second bevel gear 6 and the rotary rod 7 to rotate, thereby adjusting the height of the sliding plate 10 and reducing the labor amount of the working personnel for carrying the high-voltage circuit breaker; meanwhile, the sliding plate 10 moves upwards to drive the second magnet 25 to move upwards until the second magnet 25 is separated from the first magnet 24, the fixed rod 22, the sliding rod 20, the first magnet 24 and the ground grabbing disc 21 are driven to move downwards under the action of the third spring 23, and the ground grabbing disc 21 moves downwards to abut against the ground so that the trolley is kept static when the high-voltage circuit breaker is carried, and danger caused by movement of the trolley in the carrying process is avoided; when the height of the sliding plate 10 is proper, the worker moves the high-voltage circuit breaker onto the supporting plate 13 from the application platform, the supporting plate 13 moves downwards to compress the first spring 15, the supporting plate 13 moves downwards to drive the sliding limiting block 11, the connecting plate 12, the telescopic rod 16, the second spring 17 and the clamping plate 18 to move in opposite directions until the clamping plate 18 contacts with the high-voltage circuit breaker to enable the telescopic rod 16 to contract and the second spring 17 to compress, the high-voltage circuit breaker is clamped, and the high-voltage circuit breaker can be prevented from being broken away from the trolley and damaged due to bumping of the trolley through the matching of the limiting plate 14 and the clamping plate 18.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a lift dolly is used in test of high voltage circuit breaker, includes base (1), its characterized in that, two push rods (2) of right-hand member fixedly connected with of base (1), run through in base (1) and be equipped with rather than rotating rotary rod (3) of being connected, the right-hand member fixedly connected with hand wheel (4) of rotary rod (3), the top of base (1) is equipped with sliding plate (10), be equipped with elevating system between rotary rod (3) and sliding plate (10), be equipped with fixture on sliding plate (10), be equipped with two on base (1) and prevent displacement mechanism, two prevent that displacement mechanism sets up around being, four universal wheels (26) of bottom fixedly connected with of base (1).
2. The lifting trolley for the test of the high-voltage circuit breaker according to claim 1, wherein the lifting mechanism comprises a supporting column (8) which is arranged on the base (1) and fixedly connected with the base, a limiting rod (9) is fixedly connected with the base (1), a first bevel gear (5) is fixedly connected with the rotating rod (3), the first bevel gear (5) is rotatably connected with the base (1), a second bevel gear (6) is meshed with the first bevel gear (5), the second bevel gear (6) is rotatably connected with the base (1), a rotating rod (7) is fixedly connected with the second bevel gear (6), the rotating rod (7) penetrates through the base (1) and is rotatably connected with the base, the rotating rod (7) is embedded in the supporting column (8) and is rotatably connected with the supporting column, the rotating rod (7) penetrates through the sliding plate (10) and is in threaded connection with the sliding plate, the limiting rod (9) penetrates through the sliding plate (10) and is connected with the sliding plate in a sliding mode.
3. The lifting trolley for the test of the high-voltage circuit breaker according to claim 1, wherein the clamping mechanism comprises two sliding stoppers (11) arranged in and slidably connected with the sliding plate (10), flexible springs (19) are fixedly connected between opposite ends of the two sliding stoppers (11) and the sliding plate (10), connecting plates (12) are fixedly connected with the two sliding stoppers (11), the two connecting plates (12) are both penetrated through and slidably connected with the sliding plate (10), the two connecting plates (12) are both penetrated through and slidably connected with a supporting plate (13), limiting plates (14) are fixedly connected at front and rear ends of the supporting plate (13), a first spring (15) is fixedly connected between the supporting plate (13) and the sliding plate (10), and telescopic rods (16) are fixedly connected at opposite ends of the two connecting plates (12), two equal fixedly connected with grip block (18) of output of telescopic link (16), two all the cover is equipped with second spring (17), two on the output of telescopic link (16) the both ends of second spring (17) respectively rather than telescopic link (16) and grip block (18) fixed connection that correspond.
4. The lifting trolley for the test of the high-voltage circuit breaker as claimed in claim 1, wherein the anti-displacement mechanism comprises a sliding rod (20) penetrating through and slidably connected with the base (1), a ground-grasping plate (21) is fixedly connected to the bottom of the sliding rod (20), a fixing rod (22) is fixedly connected to the sliding rod (20), a third spring (23) is sleeved on the sliding rod (20), two ends of the third spring (23) are respectively fixedly connected with the fixing rod (22) and the base (1), a first magnet (24) is fixedly connected to the top of the sliding rod (20), and a second magnet (25) matched with the first magnet (24) is arranged at the bottom of the sliding plate (10).
5. The lifting trolley for the test of the high-voltage circuit breaker as claimed in claim 3, wherein a wedge block is fixedly connected to the connecting plate (12), and a wedge groove matched with the wedge block is formed in the supporting plate (13).
6. The lifting trolley for the test of the high-voltage circuit breaker is characterized in that four supporting legs are fixedly connected to the bottom of the base (1), the four supporting legs are fixedly connected with the base (1) through bolts, and universal wheels (26) are fixedly connected to the bottoms of the four supporting legs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022334435.3U CN214031592U (en) | 2020-10-20 | 2020-10-20 | Lifting trolley for testing high-voltage circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022334435.3U CN214031592U (en) | 2020-10-20 | 2020-10-20 | Lifting trolley for testing high-voltage circuit breaker |
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| Publication Number | Publication Date |
|---|---|
| CN214031592U true CN214031592U (en) | 2021-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022334435.3U Active CN214031592U (en) | 2020-10-20 | 2020-10-20 | Lifting trolley for testing high-voltage circuit breaker |
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| CN (1) | CN214031592U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115267392A (en) * | 2022-07-28 | 2022-11-01 | 淄博市产品质量检验研究院 | Device and method for detecting operating characteristics of electrical equipment |
-
2020
- 2020-10-20 CN CN202022334435.3U patent/CN214031592U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115267392A (en) * | 2022-07-28 | 2022-11-01 | 淄博市产品质量检验研究院 | Device and method for detecting operating characteristics of electrical equipment |
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