CN220485273U - Transformer overhauls auxiliary fixtures - Google Patents

Abstract

The utility model discloses a transformer overhaul auxiliary tool, which comprises a first base, wherein a standing plate is arranged above the first base, and a lifting assembly is fixedly arranged between the first base and the standing plate; the upper part of the standing plate is provided with two opposite detachable components which are arranged at equal intervals, a clamping rod is arranged between the two opposite detachable components, and a mounting plate is fixedly arranged above one group of the detachable components; the detachable assembly comprises a second base fixedly arranged above the standing plate, a shell is fixedly connected to the middle point of the top of one side of the second base, a socket is formed in the middle point of the top of the shell, and a clamping rod is arranged at the middle point of the top of the second base. According to the utility model, through the structure, when any one group of clamping rods is damaged, only one clamping rod is needed to be replaced, the whole guardrail is not needed to be replaced and disassembled, the practicability is good, and the replacement cost is low.

Description

Transformer overhauls auxiliary fixtures

Technical Field

The utility model relates to the technical field of transformers, in particular to an auxiliary fixture for overhauling a transformer.

Background

A Transformer (Transformer) is a device for changing an ac voltage using the principle of electromagnetic induction, and the main components are a primary coil, a secondary coil, and an iron core (magnetic core). The main functions are as follows: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformers), etc.; the transformer is basic equipment for power transmission and distribution, and is widely applied to the fields of industry, agriculture, traffic, urban communities and the like. The total capacity of the transformer operated on the net in China is about 1700 ten thousand, and the total capacity is about 110 hundred million kilovolts. The transformer loss accounts for about 40% of the power loss of the power transmission and distribution, and has great energy-saving potential;

the transformer is exposed in the air for a long time and is easy to be blocked, so that the transformer is required to be overhauled; the maintenance of the transformer is a daily work which must be carried out by electrician operators and electrician operation and repair staff in order to keep the normal technical state of the transformer and prolong the service life. The transformer is generally installed in the higher place of the area between two electric wire columns, and when the transformer is overhauled, an overhauling person needs to be sent to the higher place by adopting the lifting device, so that the overhauling person is convenient to overhaul the transformer.

Aiming at the prior patent CN202223452083.7, a lifting component is arranged in the transformer overhauling lifting device, so that the longitudinal movement of a standing plate is realized, when a maintenance person stands on the standing plate, the maintenance person can be lifted along with the standing plate, so that transformers with different heights can be overhauled, the lifting process is stable, the safety is higher, but the guardrails on the device can be oxidized if being exposed in the air for a long time, so that the guardrails are damaged, a certain potential safety hazard is caused, meanwhile, the guardrails are arranged into an integrated structure, and if one group of guardrails are damaged, the whole guardrails are required to be replaced, so that the practicability is poor, and the replacement cost is too high; therefore, the existing requirements are not met, and an auxiliary tool for overhauling the transformer is provided.

Disclosure of Invention

The utility model aims to provide an auxiliary fixture for overhauling a transformer, which aims at solving the problems that aiming at the prior patent CN202223452083.7, a lifting component is arranged in the device, so that the longitudinal movement of a standing plate is realized, when a maintainer stands on the standing plate, the maintainer can be lifted along with the standing plate, so that transformers with different heights can be overhauled, the lifting process is stable, the safety is higher, but guardrails on the device can be oxidized if exposed to the air for a long time, the guardrails are damaged, the guardrails have a certain potential safety hazard, and meanwhile, the guardrails are arranged into an integrated structure, and if one group of guardrails are damaged, the whole guardrails are replaced, the practicability is poor, the replacement cost is too high, and the like.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the transformer overhaul auxiliary tool comprises a first base, wherein a standing plate is arranged above the first base, and a lifting assembly is fixedly arranged between the first base and the standing plate; the upper part of the standing plate is provided with two opposite detachable components which are arranged at equal intervals, a clamping rod is arranged between the two opposite detachable components, and a mounting plate is fixedly arranged above one group of the detachable components;

the detachable component comprises a second base fixedly arranged above a standing plate, a shell is fixedly connected to the middle point of the top of one side of the second base, a socket is formed in the middle point of the top of the shell, a clamping rod is arranged at the middle point of the top of the second base, the top of the clamping rod penetrates through the socket and extends to the outside of the shell to be in clamping connection with the corresponding other group of detachable components, the left side and the right side of the top of the inner wall of the shell are fixedly connected with fixing plates, one side of each fixing plate is movably connected with a movable plate through a first fixing shaft, the bottom of each movable plate is fixedly connected with a supporting plate, one side of each supporting plate, which is close to the clamping rod, is fixedly connected with a clamping block, clamping grooves matched with the clamping blocks are formed in the left side and the right side of the clamping rod and correspond to the clamping blocks, one side, close to the clamping grooves, of the clamping blocks penetrates through the clamping grooves and extends to the inside of the clamping blocks, supporting springs are fixedly connected to the left side and the right side of the inner wall of the shell and correspond to the positions of the supporting plates, one ends, close to the clamping rods, of the supporting springs are fixedly connected with the supporting plates, fixing blocks are fixedly connected to the bottoms of the supporting plates, second fixing shafts are fixedly connected to the front sides of the fixing blocks, through holes are formed in the top of the second base and located in the left side and the right side of the clamping rods, positive and negative motors are fixedly connected to the middle points of the bottom of the second base, and driving bevel gears are fixedly connected to the output shafts of the positive and negative motors.

Preferably, the lifting assembly comprises four lower mounting blocks and four upper mounting blocks, the four lower mounting blocks are respectively and fixedly mounted at four corners of the upper surface of the base, the four upper mounting blocks are respectively and fixedly mounted at four corners of the lower surface of the standing plate, a double-rotation threaded rod is rotatably mounted between the lower mounting blocks on the front side and the rear side, each double-rotation threaded rod is in threaded connection with a lower moving seat on the left side and the right side, a sliding rod is fixedly mounted between the upper mounting blocks on the front side and the rear side, each sliding rod is in sliding connection with an upper moving seat on the left side and the right side, and a supporting rod is movably mounted between the lower moving seat and the upper moving seat which are arranged on a diagonal.

Preferably, rolling bearings are fixedly connected to the left side and the right side of the inner wall of the second base, a threaded rod is movably connected to the inside of the rolling bearings, and one end of the threaded rod, which is close to the drive bevel gear, penetrates through the rolling bearings and extends to the outside of the threaded rod to be fixedly connected with a driven bevel gear meshed with the drive bevel gear.

Preferably, the surface thread of threaded rod is connected with the thread bush, the top of thread bush front side fixedly connected with third fixed axle, pass through connecting rod swing joint between second fixed axle and the third fixed axle.

Preferably, the shell is close to one side of the second base and is fixedly connected with a limiting block at the bottom end of the clamping rod, one side of the limiting block close to the clamping rod is in contact with the clamping rod, and one side of the clamping block close to the clamping groove is in contact with the inner wall of the clamping groove.

Preferably, a baffle is fixedly connected to the bottom of the inner wall of the second base and positioned between the positive and negative motor and the threaded sleeve, and one side of the baffle, which is close to the threaded sleeve, is in contact with the threaded sleeve.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, when one group of clamping rods above the standing plate are damaged due to long-time use, a user positively starts the positive and negative motor through the controller, so that the positive and negative motor sequentially drives the positive and negative rotating shaft and the driving bevel gear to rotate, the driving bevel gear simultaneously drives the two driven bevel gears to rotate, the two driven bevel gears rotate in opposite directions, the driven bevel gears drive the threaded rod to rotate, so that the two threaded sleeves do relative motion, then the threaded sleeves sequentially drive the fixed block, the supporting plate, the clamping block and the movable plate to deflect along the first fixed shaft through the connecting rod, simultaneously compress the supporting spring, after the clamping block is completely separated from the clamping groove, the positive and negative motor is closed, the mounting plate at the top and the surface-mounted detachable assembly are upwards taken, so that the detachable assembly on the mounting plate is separated from the upper end of the clamping rod, and then the clamping rod is taken out, so that the bottom end of the clamping rod is separated from the detachable assembly on the standing plate, and the detachment can be completed;

2. according to the utility model, a group of replaced clamping rods are inserted into the limiting blocks in the shell on the standing plate, the limiting blocks in the shell on the mounting plate are attached to the upper ends of the clamping rods, the positive and negative motors are started, so that the positive and negative motors sequentially drive the positive and negative rotating shafts and the driving bevel gears to rotate, the driving bevel gears drive the two driven bevel gears to rotate simultaneously, the two driven bevel gears rotate in opposite directions, the driven bevel gears drive the threaded rods to rotate, so that the two threaded sleeves do relative movement, and then the threaded sleeves sequentially drive the fixed block, the supporting plate, the clamping blocks and the movable plate to deflect along the first fixed shaft through the connecting rods and simultaneously stretch the supporting springs until the clamping blocks are completely clamped in the clamping grooves, so that the mounting is completed.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic view of the detachable assembly of the present utility model;

fig. 3 is an enlarged partial structure diagram of fig. 2 a according to the present utility model.

In the figure: 1. a first base; 2. a standing board; 3. a mounting plate; 4. a second base; 5. a housing; 6. a fixing plate; 7. a clamping rod; 8. a movable plate; 9. a support plate; 10. a clamping block; 11. a clamping groove; 12. a support spring; 13. a fixed block; 14. a connecting rod; 15. a through port; 16. a forward and reverse motor; 17. a threaded rod; 18. a drive bevel gear; 19. a driven bevel gear; 20. and a baffle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1 to 3, an embodiment of the present utility model provides: the transformer overhaul auxiliary tool comprises a first base 1, wherein a standing plate 2 is arranged above the first base 1, and a lifting assembly is fixedly arranged between the first base 1 and the standing plate 2; the upper part of the standing plate 2 is provided with two opposite detachable components which are arranged at equal intervals, a clamping rod 7 is arranged between the two opposite detachable components, and the upper part of one group of detachable components is fixedly provided with a mounting plate 3;

wherein the detachable component comprises a second base 4 fixedly arranged above a standing plate 2, a shell 5 fixedly connected with the midpoint of the top of one side of the second base 4, a socket is arranged at the midpoint of the top of the shell 5, a clamping rod 7 is arranged at the midpoint of the top of the second base 4, the top of the clamping rod 7 penetrates through the socket and extends to the outside of the shell 5 to be in clamping connection with the corresponding other group of detachable components, a fixed plate 6 is fixedly connected with the left side and the right side of the top of the inner wall of the shell 5, one side of the fixed plate 6 is movably connected with a movable plate 8 through a first fixed shaft, the bottom of the movable plate 8 is fixedly connected with a supporting plate 9, one side of the supporting plate 9 close to the clamping rod 7 is fixedly connected with a clamping block 10, clamping grooves 11 matched with the clamping blocks 10 are formed in the left side and the right side of the clamping rod 7 and correspond to the positions of the clamping blocks 10, one side, close to the clamping grooves 11, of the clamping blocks 10 penetrates through the clamping grooves 11 and extends to the inside of the clamping grooves, supporting springs 12 are fixedly connected to the left side and the right side of the inner wall of the shell 5 and correspond to the positions of the supporting plates 9, one ends, close to the clamping rods 7, of the supporting springs 12 are fixedly connected with the supporting plates 9, fixing blocks 13 are fixedly connected to the bottoms of the supporting plates 9, second fixing shafts are fixedly connected to the front sides of the fixing blocks 13, through holes 15 are formed in the tops of the second bases 4 and located in the left side and the right side of the clamping rods 7, positive and negative motors 16 are fixedly connected to the middle points of the bottoms of the second bases 4, and driving bevel gears 18 are fixedly connected to output shafts of the positive and negative motors 16.

The lifting assembly comprises four lower mounting blocks and four upper mounting blocks, the four lower mounting blocks are respectively and fixedly mounted at four corners of the upper surface of the base, the four upper mounting blocks are respectively and fixedly mounted at four corners of the lower surface of the standing plate, a double-rotation threaded rod is rotatably mounted between the two lower mounting blocks on the front side and the rear side, lower moving seats are in threaded connection with the left side and the right side of each double-rotation threaded rod, sliding rods are fixedly mounted between the two upper mounting blocks on the front side and the rear side, upper moving seats are in sliding connection with the left side and the right side of each sliding rod, and supporting rods are movably mounted between the lower moving seats and the upper moving seats which are arranged on diagonal lines.

The left side and the right side of the inner wall of the second base 4 are fixedly connected with rolling bearings, the inside of each rolling bearing is movably connected with a threaded rod 17, and one end of each threaded rod 17, which is close to the corresponding driving bevel gear 18, penetrates through each rolling bearing and extends to the outside of each threaded rod to be fixedly connected with a driven bevel gear 19 which is meshed with the corresponding driving bevel gear 18. The surface thread of threaded rod 17 is connected with the thread bush, and the top of thread bush front side is fixedly connected with the third fixed axle, passes through connecting rod 14 swing joint between second fixed axle and the third fixed axle.

One side of the shell 5, which is close to the second base 4, and the bottom end of the clamping rod 7 are fixedly connected with a limiting block, one side of the limiting block, which is close to the clamping rod 7, is in contact with the clamping rod 7, and one side of the clamping block 10, which is close to the clamping groove 11, is in contact with the inner wall of the clamping groove 11.

The baffle 20 is fixedly connected to the bottom of the inner wall of the second base 4 and positioned between the positive and negative motor 16 and the thread bush, and one side of the baffle 20 close to the thread bush is in contact with the thread bush. Through adopting above-mentioned technical scheme, through setting up the baffle, played the limiting displacement to the thread bush, limited the range of motion of thread bush

When the transformer maintenance auxiliary tool is used, when a guardrail above a standing plate 2 is damaged due to long-time use of one clamping rod 7, a user starts a positive and negative motor 16 positively through a controller, so that the positive and negative motor 16 sequentially drives a positive and negative rotating shaft and a driving bevel gear 18 to rotate, the driving bevel gear 18 simultaneously drives two driven bevel gears 19 to rotate, so that the two driven bevel gears 19 rotate in opposite directions, the driven bevel gears 19 drive a threaded rod 17 to rotate, so that two threaded sleeves do relative motion, then the threaded sleeves sequentially drive a fixed block 13, a supporting plate 9, a clamping block 10 and a movable plate 8 to deflect along a first fixed shaft through a connecting rod 14 and simultaneously compress a supporting spring 12, until the clamping block 10 is completely separated from a clamping groove 11, the positive and negative motor 16 is closed, a top mounting plate and a surface-mounted detachable component are upwards taken, so that the detachable component on the mounting plate 3 is separated from the upper end of the clamping rod 7, and then the clamping rod 7 is taken out, so that the bottom end of the clamping rod 7 is separated from the detachable component on the standing plate 2, and detachment can be completed;

the replaced clamping rods 7 are inserted into limiting blocks in the shell 5 on the standing plate 2, the limiting blocks in the shell 5 on the mounting plate 3 are attached to the upper ends of the clamping rods 7, the positive and negative motor 16 is started, so that the positive and negative motor 16 sequentially drives the positive and negative rotating shafts and the driving bevel gears 18 to rotate, the driving bevel gears 18 simultaneously drive the two driven bevel gears 19 to rotate, the two driven bevel gears 19 rotate in opposite directions, the driven bevel gears 19 drive the threaded rods 17 to rotate, so that the two threaded sleeves do relative motion, and then the threaded sleeves sequentially drive the fixed blocks 13, the supporting plates 9, the clamping blocks 10 and the movable plates 8 through the connecting rods 14 to deflect along the first fixed shafts and simultaneously stretch the supporting springs 12 until the clamping blocks 10 are completely clamped in the clamping grooves 11, and then the mounting is completed.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a transformer overhauls auxiliary fixtures, includes first base (1), its characterized in that: a standing plate (2) is arranged above the first base (1), and a lifting assembly is fixedly arranged between the first base (1) and the standing plate (2); the stand plate (2) is provided with two opposite detachable components which are arranged at equal intervals, a clamping rod (7) is arranged between the two opposite detachable components, and a mounting plate (3) is fixedly arranged above one group of detachable components;

the detachable component comprises a second base (4) fixedly arranged above a standing plate (2), a shell (5) is fixedly connected to the middle point of one side top of the second base (4), a socket is formed in the middle point of the top of the shell (5), a clamping rod (7) is arranged at the middle point of the top of the second base (4), the top of the clamping rod (7) penetrates through the socket and extends to the outside of the shell (5) to be connected with the corresponding detachable component in a clamping manner, a fixing plate (6) is fixedly connected to the left side and the right side of the top of the inner wall of the shell (5), a movable plate (8) is movably connected to one side of the fixing plate (6) through a first fixing shaft, a supporting plate (9) is fixedly connected to the bottom of the movable plate (8), a clamping block (10) is fixedly connected to one side of the supporting plate (9) close to the clamping rod (7), clamping grooves (11) matched with the clamping blocks (10) are formed in the positions of the left side and the right side of the clamping rod (7), the clamping grooves (11) are matched with the clamping grooves, the two sides of the clamping blocks (10) are fixedly connected to the positions of the left side and the right side of the supporting plate (11) close to the inner wall (12), the utility model discloses a motor drive bevel gear, including supporting spring (12), backing plate (9) are close to the one end and backup pad (9) fixed connection, the bottom fixedly connected with fixed block (13) of backup pad (9), the front side fixedly connected with second fixed axle of fixed block (13), opening (15) have all been seted up at second base (4) top and the left and right sides that is located clamping lever (7), the midpoint department fixedly connected with positive and negative motor (16) of second base (4) bottom, the output shaft fixedly connected with drive bevel gear (18) of positive and negative motor (16).

2. The transformer overhaul auxiliary tool according to claim 1, wherein: the lifting assembly comprises four lower mounting blocks and four upper mounting blocks, the four lower mounting blocks are respectively and fixedly mounted at four corners of the upper surface of the base, the four upper mounting blocks are respectively and fixedly mounted at four corners of the lower surface of the standing plate, a double-rotation threaded rod is rotatably mounted between the lower mounting blocks on the front side and the rear side, each double-rotation threaded rod is in threaded connection with a lower moving seat on the left side and the right side, a sliding rod is fixedly mounted between the upper mounting blocks on the front side and the rear side, each sliding rod is in sliding connection with an upper moving seat on the left side and the right side, and a supporting rod is movably mounted between the lower moving seat and the upper moving seat, which are arranged on a diagonal.

3. The transformer overhaul auxiliary tool according to claim 1, wherein: the left side and the right side of the inner wall of the second base (4) are fixedly connected with rolling bearings, threaded rods (17) are movably connected in the rolling bearings, one ends of the threaded rods (17) close to the drive bevel gears (18) penetrate through the rolling bearings and extend to the outside, and driven bevel gears (19) meshed with the drive bevel gears (18) are fixedly connected with the threaded rods.

4. A transformer service aid as claimed in claim 3, wherein: the surface thread of threaded rod (17) is connected with the thread bush, the top of thread bush front side fixedly connected with third fixed axle, pass through connecting rod (14) swing joint between second fixed axle and the third fixed axle.

5. The transformer overhaul auxiliary tool according to claim 1, wherein: the shell (5) is close to one side of the second base (4) and is fixedly connected with a limiting block at the bottom end of the clamping rod (7), one side of the limiting block close to the clamping rod (7) is in contact with the clamping rod (7), and one side of the clamping block (10) close to the clamping groove (11) is in contact with the inner wall of the clamping groove (11).

6. The transformer overhaul auxiliary tool according to claim 1, wherein: the baffle (20) is fixedly connected to the bottom of the inner wall of the second base (4) and positioned between the positive and negative motor (16) and the thread bush, and one side of the baffle (20) close to the thread bush is in contact with the thread bush.