CN111735994B - Clamp for transformer detection - Google Patents

Clamp for transformer detection Download PDF

Info

Publication number
CN111735994B
CN111735994B CN202010860306.XA CN202010860306A CN111735994B CN 111735994 B CN111735994 B CN 111735994B CN 202010860306 A CN202010860306 A CN 202010860306A CN 111735994 B CN111735994 B CN 111735994B
Authority
CN
China
Prior art keywords
ring
driving shaft
clamping plates
shaft
transformer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202010860306.XA
Other languages
Chinese (zh)
Other versions
CN111735994A (en
Inventor
何干龙
叶梓钧
黄永祥
何伟强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Power Grid Co Ltd
Dongguan Power Supply Bureau of Guangdong Power Grid Co Ltd
Original Assignee
Guangdong Power Grid Co Ltd
Dongguan Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Power Grid Co Ltd, Dongguan Power Supply Bureau of Guangdong Power Grid Co Ltd filed Critical Guangdong Power Grid Co Ltd
Priority to CN202010860306.XA priority Critical patent/CN111735994B/en
Publication of CN111735994A publication Critical patent/CN111735994A/en
Application granted granted Critical
Publication of CN111735994B publication Critical patent/CN111735994B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02General constructional details
    • G01R1/04Housings; Supporting members; Arrangements of terminals
    • G01R1/0408Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets

Abstract

The invention discloses a fixture for detecting a transformer, which comprises a mounting bracket capable of vertically sliding and adjusting the height, wherein a plurality of mounting seats capable of sliding on the mounting bracket are arranged on the mounting bracket, a driving shaft coaxially arranged with the mounting seats is arranged on the mounting seats, a plurality of positioning clamping plates and a plurality of follow-up clamping plates which are connected on the mounting seats in a sliding manner are connected on the driving shaft, the plurality of positioning clamping plates and the plurality of follow-up clamping plates are all arranged in an annular array manner around the central axis of the driving shaft, when the fixture is used, the positioning clamping plates are driven by the driving shaft to be clamped on a transformer bushing, the positioning of the follow-up clamping plates can be realized, the follow-up clamping plates can be fixed on a transformer terminal and can be gradually clamped and fixed, and the follow-up clamping plates can be isolated and protected by the positioning clamping plates while the electrical stability of the follow-up clamping plates is ensured, the connection portability can be improved, and the safety of the connection can be improved.

Description

Clamp for transformer detection
Technical Field
The invention relates to the technical field of transformer testing, in particular to a fixture for detecting a transformer.
Background
The transformer is an electric device for alternating current electric energy conversion, which can convert the band energy of an alternating current voltage and an alternating current into another alternating current voltage and alternating current electric energy with the same frequency, the main function of the transformer in an electric power system is to convert the voltage so as to be beneficial to the transmission of the electric energy, the line loss can be reduced after the voltage is boosted by the boosting transformer, the power transmission economy is improved, the purpose of long-distance power transmission is achieved, and the voltage is reduced by the step-down transformer to obtain the required voltage of each level of electric equipment so as to meet the use requirements of users.
After the transformer produced, need test the transformer, with the security of assurance when using, and when carrying out actual electrified test to the transformer, it often adopts the mode of traditional fastener to connect it, but when the test, there is the problem that drops easily and cause the incident, and connect with the mode of transformer access line normally, it can avoid the problem that the wiring of test drops easily, but its fixed process is comparatively loaded down with trivial details, can consume a large amount of time at the in-process that detects, can't realize carrying out the problem of quick test to the transformer.
Disclosure of Invention
The invention aims to provide a fixture for detecting a transformer, which aims to solve the technical problems that in the prior art, when a wire clamp is used for connecting a transformer for power connection for testing, the wire clamp is easy to fall off to cause safety accidents, and when the transformer is normally connected into a circuit for fixing, the fixing process is complicated, and time is wasted.
In order to solve the technical problems, the invention specifically provides the following technical scheme:
the utility model provides an anchor clamps for transformer detection, includes the installing support of the adjustment height that can vertically slide be provided with a plurality of mount pads that can slide on the installing support be provided with the drive shaft that sets up with the axle center with the mount pad on the mount pad, be connected with location grip block and a plurality of follow-up grip block of a plurality of sliding connection on the mount pad in the drive shaft, it is a plurality of location grip block and a plurality of follow-up grip block all set up about drive shaft the central axis ring array, follow-up grip block passes through cable and external test power electric connection, the drive shaft motion makes location grip block centre gripping on transformer bushing, it is right follow-up grip block advances line location to by the further motion of drive shaft, make follow-up grip block centre gripping on transformer terminal, carry out electric connection with external test power.
As a preferable scheme of the invention, the positioning clamping plate and the follow-up clamping plate are arranged at intervals.
As a preferred embodiment of the present invention, one end of each of the plurality of positioning clamping plates facing the driving shaft is rotatably connected to a first connecting support rod, and the other end of the first connecting support rod is rotatably connected to a first control ring connected to the driving shaft, and the driving shaft drives the first control ring to synchronously clamp the plurality of positioning clamping plates on the transformer bushing, and moves the mounting seat by the clamping force to position the relative position of the follow-up clamping plate and the transformer terminal.
As a preferable aspect of the present invention, the driving shaft is connected to the driving shaft through a first rotary buckle, a plurality of track grooves are annularly arrayed on a side wall of the driving shaft with respect to a central axis of the driving shaft, a guide ring that is sleeved on the driving shaft and is used for cooperating with the track grooves to rotate the driving shaft is fixed on the mounting seat, a fixing ring that is sleeved on the driving shaft and cooperates with the track grooves to rotate is further slidably connected to the mounting seat through a spring, the fixing ring is connected to the first control ring through a second rotary buckle, the driving shaft rotates through the guide ring during movement, so that the driving shaft is separated from the first control ring through the first rotary buckle, and the fixing ring is connected to the first control ring through the second rotary buckle.
As a preferable scheme of the present invention, the first rotary buckle and the second rotary buckle each include a rotary caulking groove which is provided on the first control ring and has an L-shaped structure, and the driving shaft and the first control ring are each provided with a rotary clamping block which is matched with the rotary caulking groove.
As a preferable aspect of the present invention, the fixing ring includes an outer ring slidably connected to the mounting seat by a spring, and an inner ring rotatably connected to an inner side of the outer ring, and the inner ring rotates on the outer ring by being engaged with the track groove, so that the inner ring is connected to the first control ring by fitting the spin-on fixture block into the spin-on caulking groove.
As a preferable scheme of the present invention, the driving shaft includes an outer shaft and an inner shaft slidably connected to the outer shaft, the first control ring is connected to the outer shaft, and the outer shaft drives the positioning and clamping plate to clamp on the transformer bushing and then drives the inner shaft to move.
As a preferable aspect of the present invention, one end of each of the plurality of follower clamping plates facing the driving shaft is rotatably connected to a second connecting strut, the other end of the first connecting strut is rotatably connected to a second control ring fixedly connected to the inner shaft, and the inner shaft drives the second control ring to synchronously clamp the plurality of follower clamping plates on the transformer terminal.
As a preferable scheme of the invention, the mounting seat is provided with a self-locking hasp for driving the driving shaft to move in the vertical direction, the self-locking hasp comprises a push rod rotatably connected to the mounting seat through a rotating shaft, and a connecting column rotatably connected to an outer shaft at an end far away from the positioning clamp plate, the connecting column is rotatably connected with the push rod through a connecting rod, and the push rod rotates around the rotating shaft to drive the connecting column to drive the driving shaft to move in the vertical direction.
As a preferred scheme of the present invention, an extension ring having an annular structure is fixed at the bottom edge of the mounting seat, a sliding groove matched with the extension ring is formed in the mounting bracket, the mounting base slides on the mounting bracket through the embedding of the extension ring and the sliding groove, and a plurality of rolling steel balls for reducing friction between the extension ring and the sliding groove are arranged at the bottom of the extension ring.
Compared with the prior art, the invention has the following beneficial effects:
when the transformer bushing is used, the positioning clamping plate is driven by the driving shaft to be clamped on the transformer bushing, the follow-up clamping plate can be positioned, the follow-up clamping plate can be fixed on the transformer terminal by further movement of the driving shaft and can be gradually clamped and fixed, the power connection stability of the transformer bushing can be ensured, meanwhile, the follow-up clamping plate can be isolated and protected by the positioning clamping plate, the connection portability of the transformer bushing is improved, and meanwhile, the connection safety of the transformer bushing is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
FIG. 1 is a schematic overall structure diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of a connection structure between the follower clamp plate and the mounting seat according to an embodiment of the present invention;
FIG. 3 is a perspective view of an outer shaft in an embodiment of the present invention;
FIG. 4 is a perspective view of a first control ring in an embodiment of the present invention;
FIG. 5 is a schematic view of a connection structure of an inner shaft and an outer shaft according to an embodiment of the present invention;
fig. 6 is an enlarged view of a portion a of fig. 1.
The reference numerals in the drawings denote the following, respectively:
1-mounting a bracket; 2-mounting a base; 3-a drive shaft; 4-positioning the clamping plate; 5-follow-up clamping plate; 6-first rotary buckle; 7-a second rotary buckle; 8-self-locking hasp; 9-an expansion ring; 10-a chute; 11-rolling the steel ball; 12-transformer bushings; 13-transformer terminals;
301-track groove; 302-a guide ring; 303-a fixed ring; 304-outer ring; 305-an inner ring; 306-an outer shaft; 307-inner shaft;
401-first connecting struts; 402-a first control loop;
501-a second connecting strut; 502-a second control loop;
601-screwing an embedding groove; 602-screwing a fixture block;
801-push rod; 802-connecting column.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 6, the present invention provides a fixture for transformer detection, which includes a mounting bracket 1 capable of sliding vertically to adjust height, a plurality of mounting seats 2 capable of sliding on the mounting bracket 1 are disposed on the mounting bracket 1, an extension ring 9 having an annular structure is fixed at a bottom edge of the mounting seat 2, a sliding groove 10 matched with the extension ring 9 is disposed on the mounting bracket 1, the mounting base slides on the mounting bracket 1 through the embedding of the extension ring 9 and the sliding groove 10, and a plurality of rolling steel balls 11 for reducing friction between the extension ring 9 and the sliding groove 10 are disposed at a bottom of the extension ring 9.
The mounting bracket 1 is erected above a transformer to be tested, and when the mounting bracket is used, the height position of the mounting bracket 1 is adjusted, so that the mounting base 2 is located at a position horizontal to a terminal of the transformer, and further, after the position of the mounting base 2 is adjusted, a user can conveniently connect a test power supply with the transformer together in the follow-up process.
It should be noted that, the sliding groove 10 is preferably a bar structure, a limit stop slidably connected in the sliding groove 10 is disposed between every two mounting seats 2, when in use, the position of the limit stop needs to be adjusted according to the position of the transformer wiring, and the movable range of the mounting seats 2 is limited, so that when the test power supply is connected with the transformer, the mounting seats 2 can be adaptively adjusted to a certain extent through the embedding of the extension ring 9 and the sliding groove 10, and the rolling steel ball 11 is used for reducing the friction force between the extension ring 9 and the sliding groove 10 when adjusting the position of the mounting seat 2, and the smoothness of the mounting seats in adjusting the position can be effectively improved.
Be provided with on mount pad 2 with the drive shaft 3 of axle center setting with mount pad 2, be connected with location grip block 4 and a plurality of follow-up grip block 5 of a plurality of sliding connection on mount pad 2 on the drive shaft 3, a plurality of location grip blocks 4 and a plurality of follow-up grip block 5 all set up about 3 the central axis ring array of drive shaft, follow-up grip block 5 passes through cable and external test power electric connection, 3 movements of drive shaft make location grip block 4 centre gripping on transformer bushing 12, fix a position follow-up grip block 5, and by the further movement of drive shaft 3, make follow-up grip block 5 centre gripping on transformer terminal 13, carry out electric connection with external test power.
The positioning clamping plates 4 and the following clamping plates 5 are arranged at intervals, the positioning clamping plates 4 are preferably four, the following clamping plates 5 are preferably two, and the staggered arrangement is mainly used for avoiding the problem that interference is generated between the positioning clamping plates 4 and the following clamping plates 5 when the driving shaft 3 moves.
The positioning clamping plate 4 is an arc-shaped structure which is attached to the transformer bushing 12, when the four positioning clamping plates 4 are clamped on the transformer bushing 12, the four positioning clamping plates can be covered on the transformer bushing 12, preliminary fixing of the transformer bushing 12 is achieved, the follow-up clamping plate 5 is arranged on the inner side of the transformer bushing, isolation protection of the follow-up clamping plate 5 can be achieved through the positioning clamping plates 4, and when the follow-up clamping plate 5 is connected with the transformer terminal 13, the safety of electricity connection of the follow-up clamping plate 5 is guaranteed.
When the positioning and clamping plate 4 is clamped on the transformer bushing 12, the transformer is fixed, so that the self-adaptive adjustment of the mounting base 2 can be realized when the transformer is fixed, the transformer terminal 13 can be positioned at the central position of the plurality of follow-up clamping plates 5, the position deviation is prevented, and the problem of unstable fixation can occur when the positioning and clamping plate 4 is used for fixing the transformer bushing 12 or the follow-up clamping plates 5 are used for fixing the transformer terminal 13.
All rotate towards the one end of drive shaft 3 and be connected with first connecting strut 401 for a plurality of location grip blocks 4, and the other end of first connecting strut 401 rotates and is connected with the first control ring 402 that is connected with drive shaft 3, and drive shaft 3 makes a plurality of location grip blocks 4 synchronous centre gripping on transformer bushing 12 through driving first control ring 402 to make mount pad 2 motion through the clamping-force, fix a position the relative position of follow-up grip block 5 and transformer terminal 13.
It should be noted that the mounting base 2 is provided with a spring for limiting the positions of the plurality of positioning clamping plates 4 and the plurality of follower clamping plates 5, so that the fixing of the transformer terminal 13 or the transformer bushing 12 can be automatically released by the force of the spring when the fixing is not fixed.
Because a plurality of location grip blocks 4 all are connected with first control ring 402 through first connecting support rod 401, and location grip block 4 only can move towards or keep away from the position of mount pad 2 central line axis again, consequently when pulling drive shaft 3 and driving location grip block 4 and moving, can not make first control ring 402 take place to rotate, can guarantee the stability that first control ring 402 is connected with drive shaft 3.
As shown in fig. 1 and 3, the driving shaft 3 is connected to the driving shaft 3 through the first rotary buckle 6, a plurality of track grooves 301 are annularly arrayed on a side wall of the driving shaft 3 about a central axis of the driving shaft 3, a guide ring 302 which is fixed on the mounting base 2 and sleeved on the driving shaft 3 and used for being matched with the track grooves 301 to enable the driving shaft 3 to rotate is fixed on the mounting base 2, a fixing ring 303 which is sleeved on the driving shaft 3 and matched with the track grooves 301 to rotate is further connected on the mounting base 2 in a sliding mode through a spring, the fixing ring 303 is connected with the first control ring 402 through the second rotary buckle 7, the driving shaft 3 rotates through the guide ring 302 during movement, and the driving shaft 3 is enabled to be separated from the first control ring 402 through the first rotary buckle 6 and simultaneously enabled to be connected with the first control ring 402 through the second rotary buckle 7.
The track groove 301 for connecting the guide ring 302 with the drive shaft 3 and the track groove 301 for connecting the fixed ring 303 with the drive shaft 3 are not the same, so that the problem of mutual interference during the movement is avoided.
The driving shaft 3 moves, whether the driving shaft 3 rotates or not is controlled through the guide ring 302, that is, the driving shaft 3 drives the first control ring 402 to move, when the positioning clamping plate 4 is clamped on the transformer bushing 12, the first control ring 402 is close to the position of the fixing ring 303, the driving shaft 3 continues to move, the driving shaft 3 rotates through the guide ring 302, the first control ring 402 cannot rotate, and therefore, the first control ring 402 can be separated from the driving shaft 3 through the first screwing buckle 6, meanwhile, the fixing ring 303 can rotate through the rotation of the driving shaft 3, further, the fixing ring 303 can be connected with the first control ring 402 through the second screwing buckle 7, and the first stage of fixing the transformer bushing 12 is completed.
As shown in fig. 1, 5 and 6, the first screw fastener 6 and the second screw fastener 7 each include a screw caulking groove 601 that is formed on the first control ring 402 and has an L-shaped structure, and the driving shaft 3 and the first control ring 402 are each provided with a screw caulking block 602 that matches with the screw caulking groove 601.
The rotary caulking groove 601 and the guide ring 302 control the driving shaft 3 to rotate in a matching manner, so that the driving shaft 3, the first control ring 402 and the fixing ring 303 are separated or connected, an opening of the rotary caulking groove 601 is of an inclined structure, and the rotary caulking block 602 can be easily embedded with the rotary caulking groove 601.
The fixing ring 303 includes an outer ring 304 slidably connected to the mounting base 2 by a spring, and an inner ring 305 rotatably connected to the inner side of the outer ring 304, the inner ring 305 rotates on the outer ring 304 by engaging with the track groove 301, so that the inner ring 305 is connected to the first control ring 402 by engaging with the screwing latch 602 and the screwing latch 601, the outer ring 304 can drive the inner ring 305 to move on the mounting base 2 by a certain extent by the spring, so as to compensate for a height difference when the driving shaft 3 rotates by the guide ring 302, so that the driving shaft 3 is disconnected from the first control ring 402, and the first control ring 402 is connected to the inner ring 305, at this time, the inner ring 305 can support the first control ring 402, and the transformer bushing 12 can be kept fixed by the positioning and clamping plate 4.
The driving shaft 3 comprises an outer shaft 306 and an inner shaft 307 which is slidably connected to the outer shaft 306, the first control ring 402 is connected to the outer shaft 306, the outer shaft 306 drives the positioning clamping plate 4 to clamp the transformer bushing 12, and then drives the inner shaft 307 to move, one end of each of the plurality of follow-up clamping plates 5 facing the driving shaft 3 is rotatably connected to the second connecting support rod 501, the other end of the first connecting support rod 401 is rotatably connected to the second control ring 502 which is fixedly connected to the inner shaft 307, and the inner shaft 307 drives the second control ring 502 to synchronously clamp the plurality of follow-up clamping plates 5 on the transformer terminal 13.
In order to ensure the stability of the driving shaft 3 during movement, a guide rod fixed on the mounting base 2 is slidably connected in the inner shaft 307, the movement direction of the entire driving shaft 3 is limited by the guide rod, after the outer shaft 306 is disconnected from the first control ring 402, the movement of the driving shaft 3 enters a second stage, that is, when the driving shaft 3 continues to move, the outer shaft 306 drives the inner shaft 307 to move, the inner shaft 307 drives the second control ring 502 to move, and the second control ring 502 further enables the plurality of follower clamping plates 5 to synchronously move, so that the follower clamping plates can be clamped on the transformer terminal 13, thereby realizing the normal power connection of the transformer to be tested.
Be provided with on mount pad 2 and be used for driving drive shaft 3 to carry out the self-locking hasp 8 that moves along vertical direction, self-locking hasp 8 includes to rotate push rod 801 of connection on mount pad 2 through the pivot to and rotate the spliced pole 802 of connecting and keeping away from a location splint end department at outer axle 306, spliced pole 802 rotates with push rod 801 through the connecting rod to be connected, push rod 801 revolutes the rotation of axes, it makes drive shaft 3 along vertical direction motion to drive spliced pole 802.
The self-locking hasp 8 is an existing fixing mode, namely, mechanical self-locking is realized through the principle of a dead point, the self-locking hasp is mainly used for driving the driving shaft 3 to move, the position of the whole driving shaft 3 can be fixed after the follow-up clamping plate 5 is clamped on the transformer terminal 13, the fixing stability of the positioning clamping plate 4 and the follow-up clamping plate 5 can be guaranteed, and a user can make corresponding adjustment according to requirements in the actual using process.
The whole using process is as follows: the push rod 801 is rotated to drive the outer shaft 306 to move first, the outer shaft 306 can drive the first control ring 402 to move when moving, the first control ring 402 can drive the plurality of positioning clamping plates 4 to be clamped on the transformer bushing 12 synchronously through the first connecting rod 401 when moving, at this time, the outer shaft 306 can rotate through the embedding of the guide ring 302 and the track groove 301, the rotation of the outer shaft 306 can drive the inner ring 305 to rotate synchronously through the track groove 301, the outer shaft 306 is lifted continuously, and the first control ring 402 can be fixed with the inner ring 305 under the rotation effect of the inner ring 305 by the rotation of the outer shaft 306 when being separated from the connection with the outer shaft 306, so that the first control ring 402 can be fixed with the inner ring 305 under the rotation effect of the inner ring 305, and the first-stage fixing of the transformer bushing 12 is completed.
In the first stage, when the transformer bushing 12 is fixed, because the positioning clamping plate 4 and the follower clamping plate 5 are both arranged in an annular array about the central axis of the driving shaft 3, when the transformer bushing 12 is fixed by the positioning clamping plate 4, the fixing of the position of the follower clamping plate 5 can be completed, the outer shaft 306 continues to move, the inner shaft 307 is driven to move, the inner shaft 307 moves to drive the second control ring 502 to move, further, the synchronous movement of the plurality of follower clamping plates 5 can be realized through the second connecting support rod 501, so that the follower clamping plates can be clamped on the transformer terminal 13, the push rod 801 can turn over 180 degrees to cross a dead point, so that self-locking is realized, the fixing of the current position of the inner shaft 307 can be realized, and the stable connection between a test power supply and the transformer terminal 13 is realized.
The above embodiments are only exemplary embodiments of the present application, and are not intended to limit the present application, and the protection scope of the present application is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present application and such modifications and equivalents should also be considered to be within the scope of the present application.

Claims (8)

1. The utility model provides a transformer detects uses anchor clamps, includes that can vertically slide the installing support (1) of adjustment height, its characterized in that: the mounting structure is characterized in that a plurality of mounting seats (2) capable of sliding on the mounting frame (1) are arranged on the mounting frame (1), a driving shaft (3) coaxially arranged with the mounting seats (2) is arranged on the mounting seats (2), a plurality of positioning clamping plates (4) and a plurality of follow-up clamping plates (5) which are connected on the mounting seats (2) in a sliding mode are connected onto the driving shaft (3), the positioning clamping plates (4) and the follow-up clamping plates (5) are arranged in an annular array mode relative to the central axis of the driving shaft (3), the follow-up clamping plates (5) are electrically connected with an external test power supply through cables, the driving shaft (3) moves to enable the positioning clamping plates (4) to be clamped on a transformer sleeve (12), the follow-up clamping plates (5) are positioned, and the follow-up clamping plates (5) are clamped on a transformer terminal (13) through further movement of the driving shaft (3), electrically connected with an external test power supply;
the positioning clamping plates (4) and the follow-up clamping plates (5) are arranged alternately;
a plurality of location grip block (4) all rotate towards the one end of drive shaft (3) and are connected with first connecting strut (401), just the other end of first connecting strut (401) rotates and is connected with first control ring (402) that are connected with drive shaft (3), drive shaft (3) are through driving first control ring (402), make a plurality of location grip block (4) synchronous centre gripping on transformer bushing (12) to make mount pad (2) motion through clamping-force, it is right follow-up grip block (5) is fixed a position with the relative position of transformer terminal (13).
2. The jig for detecting a transformer according to claim 1, wherein: the driving shaft (3) is connected with the driving shaft (3) through a first rotary connection buckle (6), a plurality of track grooves (301) are formed in the side wall of the driving shaft (3) relative to the driving shaft (3) central axis annular array, a guide ring (302) which is sleeved on the driving shaft (3) and used for being matched with the track grooves (301) to enable the driving shaft (3) to rotate is fixed on the mounting seat (2), the mounting seat (2) is further connected with a fixing ring (303) which is sleeved on the driving shaft (3) through a spring in a sliding mode and is matched with the track grooves (301) to rotate, the fixing ring (303) is connected with a first control ring (402) through a second rotary connection buckle (7), the driving shaft (3) rotates through the guide ring (302) during movement, and the driving shaft (3) is separated from the first control ring (402) through the first rotary connection buckle (6), the fixing ring (303) is connected with the first control ring (402) through a second screwing buckle (7).
3. The jig for detecting a transformer according to claim 2, wherein: first connect buckle (6) soon and second connect buckle (7) soon all including seting up on first control ring (402), and connect caulking groove (601) soon for L shape structure all be provided with on drive shaft (3) and first control ring (402) and connect caulking groove (601) assorted soon with revolving and connect fixture block (602).
4. The jig for detecting a transformer according to claim 3, wherein: the fixing ring (303) comprises an outer ring (304) which is connected onto the mounting seat (2) in a sliding mode through a spring and an inner ring (305) which is connected to the inner side of the outer ring (304) in a rotating mode, the inner ring (305) rotates on the outer ring (304) through matching with the track groove (301), and the inner ring (305) is connected with the first control ring (402) through embedding of the screwing clamping block (602) and the screwing clamping groove (601).
5. The jig for detecting a transformer according to claim 1, wherein: the driving shaft (3) comprises an outer shaft (306) and an inner shaft (307) which is connected to the outer shaft (306) in a sliding mode, the first control ring (402) is connected with the outer shaft (306), and the outer shaft (306) drives the positioning clamping plate (4) to clamp on the transformer bushing (12) and then drives the inner shaft (307) to move.
6. The jig for detecting a transformer according to claim 5, wherein: one end, facing the driving shaft (3), of each of the plurality of follow-up clamping plates (5) is rotatably connected with a second connecting support rod (501), the other end of each first connecting support rod (401) is rotatably connected with a second control ring (502) fixedly connected with an inner shaft (307), and the inner shaft (307) drives the second control ring (502) to enable the plurality of follow-up clamping plates (5) to be synchronously clamped on the transformer terminal (13).
7. The jig for detecting a transformer according to claim 5, wherein: be provided with on mount pad (2) and be used for driving drive shaft (3) and carry out self-locking hasp (8) of motion along vertical direction, self-locking hasp (8) include through the pivot rotate push rod (801) of connection on mount pad (2) to and rotate the spliced pole (802) of connecting and keeping away from a location splint end department at outer axle (306), spliced pole (802) are rotated with push rod (801) through the connecting rod and are connected, push rod (801) revolute the rotation of axes, drive spliced pole (802) and make drive shaft (3) along vertical direction motion.
8. The jig for detecting a transformer according to claim 1, wherein: the bottom edge of mount pad (2) is fixed with extension ring (9) for the loop configuration set up spout (10) that extension ring (9) match on installing support (1), mount pad (2) are in through the gomphosis of extension ring (9) with spout (10) the installing support (1) is gone up and is slided the bottom of extension ring (9) is provided with a plurality of rolling steel balls (11) that are used for reducing frictional force between extension ring (9) and spout (10).
CN202010860306.XA 2020-08-25 2020-08-25 Clamp for transformer detection Active CN111735994B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010860306.XA CN111735994B (en) 2020-08-25 2020-08-25 Clamp for transformer detection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010860306.XA CN111735994B (en) 2020-08-25 2020-08-25 Clamp for transformer detection

Publications (2)

Publication Number Publication Date
CN111735994A CN111735994A (en) 2020-10-02
CN111735994B true CN111735994B (en) 2020-11-13

Family

ID=72658810

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010860306.XA Active CN111735994B (en) 2020-08-25 2020-08-25 Clamp for transformer detection

Country Status (1)

Country Link
CN (1) CN111735994B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112382493B (en) * 2020-10-30 2022-02-18 常德国力变压器有限公司 Auxiliary mounting device for mounting heat dissipation assembly connector on transformer box body
CN112362975B (en) * 2020-11-02 2022-07-19 广东电网有限责任公司 Transformer bushing test device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0131700A2 (en) * 1983-05-09 1985-01-23 Zanussi Elettromeccanica S.p.A. Switch mode transformer having a ferrite core
CN107170548A (en) * 2017-05-12 2017-09-15 天晟电气股份有限公司 A kind of high-voltage lead of transformer fixing device
CN107732574A (en) * 2017-09-06 2018-02-23 国网浙江省电力公司嘉兴供电公司 A kind of transformer test connector
CN111273061A (en) * 2020-03-28 2020-06-12 杨其国 Clamp device for transformer detection
CN111397765A (en) * 2020-04-06 2020-07-10 国网河北省电力有限公司石家庄市鹿泉区供电分公司 Power transformer fault detection equipment

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0131700A2 (en) * 1983-05-09 1985-01-23 Zanussi Elettromeccanica S.p.A. Switch mode transformer having a ferrite core
CN107170548A (en) * 2017-05-12 2017-09-15 天晟电气股份有限公司 A kind of high-voltage lead of transformer fixing device
CN107732574A (en) * 2017-09-06 2018-02-23 国网浙江省电力公司嘉兴供电公司 A kind of transformer test connector
CN111273061A (en) * 2020-03-28 2020-06-12 杨其国 Clamp device for transformer detection
CN111397765A (en) * 2020-04-06 2020-07-10 国网河北省电力有限公司石家庄市鹿泉区供电分公司 Power transformer fault detection equipment

Also Published As

Publication number Publication date
CN111735994A (en) 2020-10-02

Similar Documents

Publication Publication Date Title
CN111735994B (en) Clamp for transformer detection
CN210404663U (en) Cable fixing device that electric power engineering used
CN210004054U (en) environmental monitoring equipment based on new forms of energy
CN115026758B (en) High-efficient dust-tight type motor seals assembly fixture
CN110963342A (en) Pole piece deviation correcting device, pole piece cache assembly and square power electric core winding machine
CN110429528A (en) A kind of power transformation route cable clip structure
CN210536203U (en) Cable support
CN111044765A (en) Ammeter is with watchcase fixing device
CN110919566A (en) Angle-adjustable clamp for bearing of railway wagon
CN205265767U (en) Multifunctional mobile phone support
CN212203831U (en) Portable projection device for digital media teaching
CN212080776U (en) Traffic video monitoring equipment installed and used in different scenes
CN113120111B (en) Automatic detection device along line of power grid high-voltage cable
CN207005848U (en) A kind of LED desk lamp
CN210377435U (en) Sound effect control device of intelligent meeting room
CN207896347U (en) A kind of power supply changeover device
CN113414721A (en) Auxiliary device is aimed at in installation of high-efficient wind-powered electricity generation wheel hub
CN209099859U (en) A kind of communication steel tower being conveniently replaceable lightning rod
CN219181069U (en) Temporary supporting device for transmission line migration transformation
CN209117231U (en) A kind of cable tension test fixture of good fixing effect
CN207691380U (en) Conducting wire fixing clip
CN220048651U (en) Coating turntable for segmented wind power tower
CN217545308U (en) Equipment that reactive voltage optimizes
CN213879122U (en) Cable clamping device for electronic information communication
CN218456403U (en) Photovoltaic power generation device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant