CN115825497B - Multifunctional binding clip for high-voltage test of power transformer - Google Patents
Multifunctional binding clip for high-voltage test of power transformer Download PDFInfo
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- CN115825497B CN115825497B CN202211610183.XA CN202211610183A CN115825497B CN 115825497 B CN115825497 B CN 115825497B CN 202211610183 A CN202211610183 A CN 202211610183A CN 115825497 B CN115825497 B CN 115825497B
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- 210000000080 chela (arthropods) Anatomy 0.000 claims description 6
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Abstract
The invention discloses a multifunctional binding clip for a high-voltage test of a power transformer, which relates to the field of binding clips and comprises a pull rod structure, wherein the inner wall of the pull rod structure is connected with a fixed rod structure in a sliding manner, the top end of the fixed rod structure is fixedly connected with a connecting frame, an inner concave part of the connecting frame is rotationally connected with a rotating frame, an upper jaw and a movable lower jaw structure are respectively connected to the rotating frame, the lower jaw structure is positioned below the upper jaw, and the lower jaw structure further comprises: the lower jaw and the sliding plate can rotate ninety degrees relative to the sliding plate, and are rotationally connected through a rotating assembly. According to the invention, through the arrangement of the combined guide groove, the arc guide groove, the rotating shaft and the matched rotatable lower jaw, the occurrence of the lap joint process of the upper jaw can be effectively avoided: and the lower jaw is lapped on the high-voltage line.
Description
Technical Field
The invention relates to the field of jointing clamps, in particular to a multifunctional jointing clamp for a high-voltage test of a power transformer.
Background
The existing jointing clamp has more varieties, and one of the current wide application is: the jaw-type jointing clamp is widely used because of simple operation, firm clamping force and difficult loosening.
When the existing binding clip is used, the detachable rod is connected to the pull rod part of the device, so that the device can meet application requirements of different heights, and the situation that the upper jaw and the lower jaw are damaged easily because of the fact that the upper jaw and the lower jaw are not clamped and collide with each other when the device clamps high-voltage wires at a higher position, even if a wire part is located between the upper jaw and the lower jaw, the wire part can cause excessive clamping force to the high-voltage wires, and the high-voltage wires are caused to be deformed easily.
Disclosure of Invention
The invention aims at: in order to solve the problems in the background technology, a multifunctional binding clip for a high-voltage test of a power transformer is provided.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a power transformer high voltage test is with multi-functional binding clip, includes the pull rod structure, the inner wall sliding connection of pull rod structure has the dead lever structure, the top fixedly connected with link of dead lever structure, the indent rotation of link is connected with the rotating turret, be connected with respectively on the rotating turret and keep silent with mobilizable lower pincers structure, lower pincers structure is located go up the below of keeping silent, lower pincers structure includes again: the lower jaw can rotate ninety degrees relative to the sliding plate, and is rotationally connected with the sliding plate through a rotating assembly;
the rotating assembly includes: the device comprises a shaft hole, an arc-shaped guide groove, a rotating shaft and a rotating shaft;
the shaft hole and the arc-shaped guide groove are formed in the sliding plate and penetrate through the sliding plate, the shaft hole is located at the circle center of the arc-shaped guide groove, and the arc-shaped guide groove is in a quarter arc structure;
the rotating shaft is rotationally connected to the inner cavity of the shaft hole, the rotating shaft is slidingly connected to the inner cavity of the arc-shaped guide groove, the rotating shaft is integrally formed on two sides of the lower jaw respectively, and the rotating shaft is rotationally connected to two sides of the lower jaw;
the wall thickness of the opening end of the rotating frame is provided with a combined guide groove for inserting the rotating shaft, and one side of the inner wall of the combined guide groove is provided with fixed tooth blocks which are arranged at equal intervals;
the inside and the outside of the rotating shaft are formed with limiting structures in a distributed mode; the limiting structure is used for limiting the moving speed of the lower clamp structure and preventing the lower clamp from colliding with the upper clamp;
the limiting structure comprises a gear fixedly connected to one end of the rotating shaft and a connecting groove formed in the rotating shaft, and the gear is meshed with the fixed tooth block;
the inner cavity of the connecting groove is connected with an elastic piece, and one end of the elastic piece is connected with a centrifugal block which is in sliding connection with the connecting groove.
As still further aspects of the invention: the pull rod structure consists of a pull rod and tooth grooves, and the tooth grooves are formed in two sides of the inner wall of the pull rod at equal intervals.
As still further aspects of the invention: the fixed rod structure comprises a fixed rod and a protruding plate formed at the bottom end of the fixed rod;
two accommodating grooves are symmetrically formed in the inner wall of the protruding plate, the inner wall of each accommodating groove is rotationally connected with a rotary tooth block through a connecting shaft, and torsion springs which are mutually clamped with the end faces of the accommodating grooves are arranged at two ends of each rotary tooth block;
the outer wall of the rotary tooth block is matched with the inner wall of the tooth slot.
As still further aspects of the invention: the lower jaw and the upper jaw are connected with a wire nose connected with a wire, and the lower jaw can rotate ninety degrees under the limit of the arc-shaped guide groove.
As still further aspects of the invention: the inner wall bottom of pull rod is provided with runs through dead lever structure, link and extends to inside the rotating turret, and with the wire rope that lower jaw one end links to each other, dead lever structure, link, rotating turret's inside all is provided with the confession wire casing that wire rope removed, the inside wire casing of link is bent the department rotation and is connected with and is used for right wire rope carries out the fixed pulley.
As still further aspects of the invention: the sliding plate is provided with a connecting hole for the steel wire rope to penetrate through, and chamfer angles for reducing the moving friction force of the steel wire rope are formed at the edges of the top end and the bottom end of the connecting hole.
As still further aspects of the invention: the top end of the inner cavity of the pull rod is provided with a limiting part protruding inwards and used for limiting the maximum downward movement section of the pull rod.
As still further aspects of the invention: the sliding plate in the shape of a convex is in sliding connection with the rotating frame, one end of the arc-shaped guide groove, which faces upwards, is aligned with the straight groove part of the combined guide groove, and the arc-shaped guide groove is aligned with the arc-shaped groove part of the combined guide groove 7.
As still further aspects of the invention: the upper jaw is fixedly connected with the inner wall of the rotating frame through a fixing plate, and a wire hole aligned with the connecting hole is formed in the fixing plate.
As still further aspects of the invention: and the bottom end of the inner wall of the rotating frame is provided with a spring connected with the bottom end of the sliding plate.
Compared with the prior art, the invention has the beneficial effects that:
1. through setting up, combination formula guide way, arc guide way, rotation axis and cooperation rotatable lower jaw can effectively avoid, appears in last jaw overlap joint in-process: the lower jaw is lapped on the high-voltage wire;
2. through setting up limit structure, in the in-process of pulling lower jaw upward movement, when the travel speed is too fast, the effect that the centrifugation piece shifted out the card in the combination guide way can appear to force to remove too fast lower jaw, stop moving, thereby avoid the impaired problem of device or high-voltage line because of clamping speed is too fast, too big.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an internal schematic view of the tie rod structure of the present invention;
FIG. 3 is a schematic view of a connecting frame and turret according to the present invention in semi-section;
FIG. 4 is a schematic view of a projecting plate of the present invention in semi-section;
FIG. 5 is a schematic view showing the connection of the turret and the lower clamp structure of the present invention;
FIG. 6 is a schematic view of the meshing of a gear with a fixed tooth block in accordance with the present invention;
fig. 7 is a schematic diagram of the centrifuge block installation of the present invention.
In the figure: 1. a pull rod structure; 101. a pull rod; 102. tooth slots; 2. a fixed rod structure; 201. a fixed rod; 202. a protruding plate; 203. a receiving groove; 204. rotating the tooth block; 205. a connecting shaft; 206. a torsion spring; 3. a connecting frame; 4. a rotating frame; 5. a lower clamp structure; 501. a lower jaw; 502. a sliding plate; 503. a shaft hole; 504. an arc-shaped guide groove; 505. a rotating shaft; 506. a rotation shaft; 507. a connection hole; 6. an upper jaw; 7. a combined guide groove; 8. fixing the tooth block; 9. a limiting structure; 901. a gear; 902. a connecting groove; 903. an elastic member; 904. a centrifugal block; 10. a wire rope; 11. and a fixed pulley.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 7, in the embodiment of the invention, a multifunctional binding clip for a high voltage test of a power transformer comprises a pull rod structure 1, wherein the inner wall of the pull rod structure 1 is slidably connected with a fixed rod structure 2, the top end of the fixed rod structure 2 is fixedly connected with a connecting frame 3, an inner concave part of the connecting frame 3 is rotatably connected with a rotating frame 4 (in the prior art, a corresponding bayonet structure is arranged between the rotating frame 4 and the connecting frame 3 and used for limiting the rotating frame 4, and a friction damping is generally arranged at the rotating joint of the rotating frame 4 and the rotating frame, so that the rotating frame 4 can rotate only under the action of external force, the illustration can rotate only without other meanings), an upper jaw 6 and a movable lower jaw structure 5 are respectively connected to the rotating frame 4, the lower jaw structure 5 is positioned below the upper jaw 6, and the lower jaw structure 5 comprises: the lower jaw 501 and the sliding plate 502 can rotate ninety degrees relative to the sliding plate 502, and the lower jaw 501 and the sliding plate 502 are rotationally connected through a rotating assembly;
the rotating assembly includes: shaft hole 503, arc-shaped guide groove 504, rotation shaft 505 and rotation shaft 506;
the axle hole 503 and the arc-shaped guide groove 504 are arranged in the sliding plate 502 and penetrate through the sliding plate 502, the axle hole 503 is positioned at the center of the arc-shaped guide groove 504, and the arc-shaped guide groove 504 is in a quarter arc structure;
the rotating shafts 505 are rotatably connected to the inner cavities of the shaft holes 503, the rotating shafts 506 are slidably connected to the inner cavities of the arc-shaped guide grooves 504, the rotating shafts 505 are integrally formed on two sides of the lower jaw 501 respectively, and the rotating shafts 506 are rotatably connected to two sides of the lower jaw 501;
the wall thickness of the opening end of the rotating frame 4 is provided with a combined guide groove 7 for inserting a rotating shaft 506, and one side of the inner wall of the combined guide groove 7 is provided with fixed tooth blocks 8 which are arranged at equal intervals;
the inside and the outside of the rotating shaft 506 are formed with a limiting structure 9 in a distributed manner; the limiting structure 9 is used for limiting the moving speed of the lower clamp structure 5 and preventing the lower clamp jaw 501 from colliding with the upper clamp jaw 6;
the limiting structure 9 comprises a gear 901 fixedly connected to one end of the rotating shaft 506 and a connecting groove 902 formed in the rotating shaft 506, and the gear 901 is meshed with the fixed tooth block 8;
an inner cavity of the connecting groove 902 is connected with an elastic piece 903, and one end of the elastic piece 903 is connected with a centrifugal block 904 which is connected with the connecting groove 902 in a sliding mode.
In this embodiment: when the product is used for experiments, firstly, a plurality of rods which can be connected through threads are abutted, the abutting length is determined by the height of a high-voltage line, then the pull rod 101 of the product is connected with the rod at the end part of the most end part through threads (the end part of the bottom end of the pull rod 101 is provided with a threaded part), the length of the device is set up, then the wires of the testing device are respectively connected with the upper jaw 6 and the wire nose on the lower jaw 501, the fixed rod structure 2 is completely positioned in the inner cavity of the pull rod structure 1, the wire rope 10 is in an unstressed state, then the lower jaw 501 is in a downward disposal state, then the device is held by hands, the device is erected and lifted upwards until the upper jaw 6 is positioned above the high-voltage line, then the rod is displaced by hands, so that the upper jaw 6 is positioned right above the high-voltage line, and the hands drive the rod to move downwards at the moment, after the upper jaw 6 contacts with the surface of the high-voltage wire, the pull rod is pulled down, the pull rod 101 is driven by the pull rod to move downwards along the outer wall of the fixed rod 201, the tooth slot 102 applies extrusion force to the rotating tooth block 204, so that the rotating tooth block 204 rotates downwards, one end of the torsion spring 206 is driven to rotate along with the rotating tooth block 204, the torsion spring 206 is twisted, after the pull rod 101 is pulled to a proper length, the rotating tooth block 204 is reversely rotated again to be clamped into the tooth slot 102 aligned with the torsion spring 206 under the reset action of the torsion spring 206, in the process, one end of the steel wire rope 10 moves downwards synchronously along with the pull rod 101, at the moment, the other end of the steel wire rope 10 pulls the lower jaw 501, the lower jaw 501 rotates upwards by taking the rotating shaft 505 as the axis until ninety degrees, at the moment, the lower jaw 501 is changed from a vertical downward state to a horizontal state, in the process, the rotating shaft 506 rotates ninety degrees along the arc-shaped guide groove 504, meanwhile, one end of the rotating shaft 506 moves from the arc groove part to the straight groove part of the combined guide groove 7, when the steel wire rope 10 is continuously pulled, one end of the steel wire rope 10 pulls the lower jaw 501 to move upwards until the lower jaw 501 is matched with the upper jaw 6 to clamp the high-voltage wire effectively, after the test is finished, the rod drives the pull rod 101 to move upwards by lifting the pull rod upwards, in the process, the pull rod 101 drives one end of the steel wire rope 10 to move upwards, at the moment, a spring arranged between the bottom end of the inner wall of the rotating frame 4 and the sliding plate 502 is reset (the reset spring cannot overcome the resistance formed by the torsion spring 206: the spring cannot actively take the torsion spring 206 to twist), the sliding plate 502 is pulled downwards by the reset force of the spring, and meanwhile, the steel wire rope 10 is driven to reset, and after the sliding plate 502 is completely reset, the lower jaw 501 rotates again to be in a vertical state under the action of gravity;
the lower jaw 501 drives the sliding plate 502 to move upwards, in the process, the gear 901 is meshed with the fixed tooth block 8, because the fixed tooth block 8 is fixed in position, in the process, the gear 901 drives the rotating shaft 506 to rotate, if the displacement speed of the lower jaw structure 5 is too high, the rotating speed of the gear 901 is higher, the centrifugal force borne by the centrifugal block 904 is larger, when the centrifugal force overcomes centripetal force, the centrifugal block 904 pulls the elastic piece 903 to deform (the elastic piece 903 can be one of a spring and an elastic rope, the elastic piece has a function of pulling the centrifugal block 904 to reset), one end of the centrifugal block 904 gradually moves out of the connecting groove 902, and when the moved centrifugal block 904 contacts with the position of the non-fixed tooth block 8 of the combined guide groove 7, the contact limit is formed, so that the lower jaw structure 5 which moves fast is limited, and the collision problem caused by the fast moving speed is prevented (for example, under the condition of too fast speed, the generated larger collision force can damage the surface of the high-voltage line, or the centrifugal block 904 is damaged due to the fact that the upper jaw 903 is not clamped, the centrifugal block 904 is pulled up, and the centrifugal block 904 is required to be separated from the connecting groove 101, and the upper jaw 904 is released from the upper jaw 904, and the centrifugal block 904 is required to be separated from the upper jaw 904.
Referring to fig. 1 and 2, a pull rod structure 1 is composed of a pull rod 101 and tooth grooves 102, wherein the tooth grooves 102 are formed on two sides of the inner wall of the pull rod 101 at equal intervals; the top end of the inner cavity of the pull rod 101 is formed with a limiting part protruding inwards for limiting the maximum downward movement section of the pull rod 101.
In this embodiment: in the process of moving the pull rod 101 up and down, when the pull rod 101 moves to the maximum displacement distance, the limiting part of the pull rod 101 contacts with the protruding plate 202 at this time to form a limiting effect, so that the problem that the pull rod 101 is separated from the fixed rod 201 in the pulling process is prevented.
Referring to fig. 2 and 4, the fixing rod structure 2 includes a fixing rod 201 and a protruding plate 202 formed at the bottom end of the fixing rod 201;
two accommodating grooves 203 are symmetrically formed in the inner wall of the protruding plate 202, the inner wall of the accommodating groove 203 is rotationally connected with a rotary tooth block 204 through a connecting shaft 205, and torsion springs 206 mutually clamped with the end faces of the accommodating groove 203 are arranged at two ends of the rotary tooth block 204;
wherein, two end surfaces of the rotary tooth block 204 and the accommodating groove 203 are formed with clamping grooves mutually clamped with the end parts of the torsion springs 206, and the outer wall of the rotary tooth block 204 is matched with the inner wall of the tooth groove 102.
In this embodiment: in the process that the tooth slot 102 moves up and down along with the pull rod 101, the inclined surface of the tooth slot 102 applies pressure to the inclined surface of the rotating tooth block 204, so that the rotating tooth block 204 rotates until the rotating tooth block 204 completely enters the inner cavity of the accommodating groove 203, in the process, one end of the torsion spring 206 connected with the rotating tooth block 204 is driven to twist, and when the torsion spring 206 resets, the torsion spring 206 drives the rotating tooth block 204 to reset and clamp into the other tooth slot 102 aligned with the torsion spring, and the following needs to be described: the inner diameter of the accommodating groove 203 is equal to the rotation radius of the rotating tooth block 204, and the rotating tooth block 204 can be effectively accommodated.
Referring to fig. 1 and fig. 2, a wire nose connected to a wire is connected to each of the lower jaw 501 and the upper jaw 6, and the lower jaw 501 can rotate ninety degrees under the limitation of the arc-shaped guide groove 504.
In this embodiment: the voltage line is connected with the wire nose on the upper jaw 6, the current line is connected with the wire nose on the lower jaw 501, then the voltage line and the other end of the current line are connected with the testing equipment, the lower jaw 501 is in a vertical downward state before being stressed and is in a horizontal state after being stressed, the following conditions can be prevented, the lower jaw 501 shields the upper jaw 6 before the device is connected with the high-voltage wire, so that a long time is required to hang the upper jaw 6 on the high-voltage wire, and the following conditions are required to be described: a groove body for rotating the rotatable wire nose can be formed on the rotating frame 4, the width of the groove body should be larger than the total thickness of the wire and the rotatable wire nose, so that the problem that the lower jaw 501 cannot be in a vertical state is prevented, or the total depth of the inner cavity of the rotating frame 4 can meet the condition that the wire nose is in the vertical state, and the adjustment and the change of the adaptability are required, so that the adjustment and the change are not shown in the drawing.
Referring to fig. 2, 3, 4 and 5, the bottom end of the inner wall of the pull rod 101 is provided with a wire rope 10 penetrating through the fixed rod structure 2 and the connecting frame 3 and extending into the rotating frame 4, and connected with one end of the lower jaw 501, the fixed rod structure 2, the connecting frame 3 and the rotating frame 4 are provided with wire slots for the wire rope 10 to move, and the bent part of the wire slot inside the connecting frame 3 is rotationally connected with a fixed pulley 11 for supporting the wire rope 10.
In this embodiment: when the pull rod structure 1 moves downwards, one end of the steel wire rope 10 moves downwards, and because the total length of the steel wire rope 10 is unchanged, the other end of the steel wire rope 10 moves along, the lower jaw 501 is pulled by force, the vertical state is changed into the horizontal state, and then the lower jaw moves upwards horizontally, and when the wire rope 10 moves in the wire slot in the connecting frame 3, the fixed pulley 11 provides turning support for the steel wire rope 10, and friction force between the steel wire rope 10 and the bending part of the wire slot is reduced, so that the steel wire rope 10 can move effectively.
Referring to fig. 2 and 5, a connecting hole 507 for the wire rope 10 to pass through is formed in the sliding plate 502, and chamfers for reducing the moving friction force of the wire rope 10 are formed at the top and bottom edges of the connecting hole 507; the upper jaw 6 is fixedly connected with the inner wall of the rotating frame 4 through a fixed plate, and a wire hole aligned with the connecting hole 507 is formed in the fixed plate.
In this embodiment: when the lower jaw 501 is in a vertical state, the part of the steel wire rope 10 below the connecting hole 507 is in an inclined state, and the chamfer exists, so that the problem of overlarge friction force when the lower jaw 501 is pulled by the steel wire rope 10 can be avoided, and when the lower jaw 501 is turned into a horizontal state, the part of the steel wire rope 10 above the connecting hole 507 and the part of the steel wire rope 10 below the connecting hole 507 are positioned on the same vertical line.
Referring to the figure, a sliding plate 502 having a "convex" shape is slidably connected to the rotating frame 4, one end of an arc-shaped guide groove 504 facing upward is aligned with the straight groove portion of the combined guide groove 7, and the arc-shaped guide groove 504 is aligned with the arc-shaped groove portion of the combined guide groove 7.
In this embodiment: in the process of rotating the rotating shaft 506 along the arc-shaped guide groove 504, the rotating shaft also rotates along the arc-shaped groove part of the combined guide groove 7, so that the lower jaw 501 can rotate and move up and down.
The foregoing description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical solution of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (10)
1. The utility model provides a power transformer high voltage test is with multi-functional binding clip, includes pull rod structure (1), the inner wall sliding connection of pull rod structure (1) has dead lever structure (2), the top fixedly connected with link (3) of dead lever structure (2), the indent rotation of link (3) is connected with rotating turret (4), be connected with respectively on rotating turret (4) and keep silent (6) and mobilizable lower pincers structure (5), lower pincers structure (5) are located the below of keeping silent (6), a serial communication port, lower pincers structure (5) include again: the lower jaw (501) and the sliding plate (502) can rotate ninety degrees relative to the sliding plate (502), and the lower jaw (501) is rotationally connected with the sliding plate (502) through a rotating assembly;
the rotating assembly includes: a shaft hole (503), an arc-shaped guide groove (504), a rotating shaft (505) and a rotating shaft (506);
the shaft hole (503) and the arc-shaped guide groove (504) are arranged in the sliding plate (502) and penetrate through the sliding plate (502), the shaft hole (503) is positioned at the center of the arc-shaped guide groove (504), and the arc-shaped guide groove (504) is in a quarter arc structure;
the rotating shaft (505) is rotatably connected to the inner cavity of the shaft hole (503), the rotating shaft (506) is slidably connected to the inner cavity of the arc-shaped guide groove (504), the rotating shaft (505) is integrally formed at two sides of the lower jaw (501), and the rotating shaft (506) is rotatably connected to two sides of the lower jaw (501);
a combined guide groove (7) for inserting the rotating shaft (506) is formed in the wall thickness of the opening end of the rotating frame (4), and fixed tooth blocks (8) which are arranged at equal intervals are formed on one side of the inner wall of the combined guide groove (7);
the inside and the outside of the rotating shaft (506) are formed with limiting structures (9) in a distributed manner; the limiting structure (9) is used for limiting the moving speed of the lower clamp structure (5) and preventing the lower clamp jaw (501) from colliding with the upper clamp jaw (6);
the limiting structure (9) comprises a gear (901) fixedly connected to one end of the rotating shaft (506) and a connecting groove (902) formed in the rotating shaft (506), and the gear (901) is meshed with the fixed tooth block (8);
an inner cavity of the connecting groove (902) is connected with an elastic piece (903), and one end of the elastic piece (903) is connected with a centrifugal block (904) which is connected with the connecting groove (902) in a sliding mode.
2. The multifunctional binding clip for high-voltage test of power transformer according to claim 1, wherein the pull rod structure (1) is composed of a pull rod (101) and tooth grooves (102), and the tooth grooves (102) are formed on two sides of the inner wall of the pull rod (101) at equal intervals.
3. The multifunctional binding clip for high-voltage test of power transformer according to claim 2, wherein the fixing rod structure (2) comprises a fixing rod (201) and a protruding plate (202) formed at the bottom end of the fixing rod (201);
two accommodating grooves (203) are symmetrically formed in the inner wall of the protruding plate (202), a rotating tooth block (204) is rotatably connected to the inner wall of the accommodating groove (203) through a connecting shaft (205), and torsion springs (206) mutually clamped with the end faces of the accommodating groove (203) are arranged at two ends of the rotating tooth block (204);
the two end faces of the rotary tooth block (204) and the accommodating groove (203) are provided with clamping grooves which are mutually clamped with the end parts of the torsion springs (206), and the outer wall of the rotary tooth block (204) is matched with the inner wall of the tooth groove (102).
4. The multifunctional binding clip for high-voltage test of power transformer according to claim 1, wherein the lower jaw (501) and the upper jaw (6) are connected with wire noses connected with wires, and the lower jaw (501) can rotate ninety degrees under the limit of the arc-shaped guide groove (504).
5. The multifunctional binding clip for high-voltage test of power transformer according to claim 2, characterized in that the inner wall bottom end of the pull rod (101) is provided with a wire rope (10) penetrating through the fixing rod structure (2), the connecting frame (3) and extending to the inside of the rotating frame (4) and connected with one end of the lower jaw (501), the inside of the fixing rod structure (2), the connecting frame (3) and the rotating frame (4) is provided with a wire slot for the wire rope (10) to move, and the bending part of the wire slot inside the connecting frame (3) is rotationally connected with a fixed pulley (11) for supporting the wire rope (10).
6. The multifunctional binding clip for high-voltage test of power transformer according to claim 5, wherein the sliding plate (502) is provided with a connecting hole (507) for the steel wire rope (10) to penetrate, and the top and bottom edges of the connecting hole (507) are formed with chamfers for reducing the moving friction force of the steel wire rope (10).
7. The multifunctional binding clip for high-voltage test of power transformer according to claim 2, wherein the top end of the inner cavity of the pull rod (101) is formed with an inward protruding limiting part for limiting the maximum downward movement section of the pull rod (101).
8. A multifunctional binding clip for high-voltage testing of electric power transformers according to claim 2, characterized in that the sliding plate (502) in the shape of a "convex" is slidingly connected to the turret (4), the upwardly directed end of the arc-shaped guiding groove (504) is aligned with the straight groove portion of the combined guiding groove (7), and the arc-shaped guiding groove (504) is aligned with the arc-shaped groove portion of the combined guiding groove (7).
9. The multifunctional binding clip for high-voltage test of power transformer according to claim 6, wherein the upper jaw (6) is fixedly connected with the inner wall of the rotating frame (4) through a fixing plate, and a wire hole aligned with the connecting hole (507) is formed on the fixing plate.
10. The multifunctional binding clip for high-voltage test of power transformer according to claim 6, wherein the spring connected with the bottom end of the sliding plate (502) is installed at the bottom end of the inner wall of the rotating frame (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211610183.XA CN115825497B (en) | 2022-12-12 | 2022-12-12 | Multifunctional binding clip for high-voltage test of power transformer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211610183.XA CN115825497B (en) | 2022-12-12 | 2022-12-12 | Multifunctional binding clip for high-voltage test of power transformer |
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| CN115825497A CN115825497A (en) | 2023-03-21 |
| CN115825497B true CN115825497B (en) | 2023-05-16 |
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Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115825497A (en) | 2023-03-21 |
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Denomination of invention: A multifunctional wiring clamp for high-voltage testing of power transformers Effective date of registration: 20231214 Granted publication date: 20230516 Pledgee: Chengwu County Sub-branch of Postal Savings Bank of China Co.,Ltd. Pledgor: Shandong Xunchi Electric Co.,Ltd. Registration number: Y2023980071749 |