Jig

Abstract

The jig comprises a bracket, a first fixing piece and a first locking assembly, the bracket is provided with a containing cavity used for containing a coil, the first fixing piece is arranged on the bracket and can move in the vertical direction, and the first fixing piece is used for abutting against the end, away from the bottom of the bracket, of the coil. The first locking assembly is arranged between the bracket and the first fixing piece, and the first locking assembly is used for locking the position of the first fixing piece, so that a maintainer moves the first fixing piece in the vertical direction to adjust the distance between the first fixing piece and the bottom of the bracket so as to adapt to coils with different heights, and after the first fixing piece moves to a proper position, the first fixing piece is locked by the first locking assembly. The coil can be fixed by locking the first fixing piece through the first locking assembly, and the universality of the jig can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of jigs, and particularly relates to a jig. Background Art

[0002] As is well known, after a dry-type transformer is used for a long time, the coil may fail. Maintenance personnel need to disassemble the coil and place the coil on a jig. Then, the coil is transported to a dedicated detection device by a transport vehicle to detect the fault condition of the coil. The existing jigs cannot be applied to coils of different heights. When transporting coils, maintenance personnel need to select different types of jigs, resulting in low versatility of the jigs. Summary of the Utility Model

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. For this purpose, the utility model provides a jig that can be applied to coils of different heights to improve the versatility of the jig.

[0004] The jig according to an embodiment of the utility model includes a bracket, a first fixing member and a first locking assembly. The bracket is provided with a receiving cavity for receiving a coil. The first fixing member is disposed on the bracket and can move in the vertical direction. The first fixing member is used to abut against the upper end of the coil. The first locking assembly is disposed between the bracket and the first fixing member, and the first locking assembly is used to lock the position of the first fixing member.

[0005] The jig according to an embodiment of the utility model has at least the following beneficial effects:

[0006] When a dry-type transformer fails, maintenance personnel can disassemble the coil and place the coil in the receiving cavity so that one end of the coil abuts against the bottom of the bracket. Then, maintenance personnel can move the first fixing member to make the first fixing member abut against the upper end of the coil, and then lock the first fixing member through the first locking assembly to fix the coil. Maintenance personnel can adjust the distance between the first fixing member and the bottom of the bracket by moving the first fixing member to adapt to coils of different heights, which can improve the versatility of the jig.

[0007] According to some embodiments of the utility model, the first locking assembly includes a first connecting member and a first locking member. One end of the first connecting member is connected to the bottom of the bracket. The other end of the first connecting member is provided with a first thread portion. The first locking member is provided with a second thread portion. The first locking member is sleeved on the upper end of the first connecting member, and the first thread portion is in threaded cooperation with the second thread portion. The first locking member abuts against the first fixing member.

[0008] According to some embodiments of the present utility model, at least two first connectors are configured, and an adjusting structure is provided between the first connectors and the bracket. The adjusting structure is used to adjust the distance between two adjacent first connectors.

[0009] According to some embodiments of the present utility model, the adjusting structure includes a waist-shaped hole provided at the bottom of the bracket. At least two first connectors pass through the waist-shaped hole and can move along the length direction of the waist-shaped hole.

[0010] According to some embodiments of the present utility model, the jig further includes at least two second fixing members. The at least two second fixing members are arranged at intervals along the circumferential direction of the bracket. The second fixing members can move horizontally. The second fixing members are used to abut against the outer peripheral side of the coil. A second locking assembly is provided between the second fixing members and the bracket. The second locking assembly is used to lock the position of the second fixing members.

[0011] According to some embodiments of the present utility model, the second locking assembly includes a second connecting member and a second locking member. One end of the second connecting member is connected to the second fixing member, and the other end of the second connecting member is connected to one side of the bracket. A third thread portion is provided at the other end of the second connecting member. The second locking member is provided with a fourth thread portion. The second locking member is sleeved on the end of the second connecting member away from the second fixing member, and the third thread portion is in threaded cooperation with the fourth thread portion. The second locking member abuts against one side of the bracket.

[0012] According to some embodiments of the present utility model, the second fixing member is provided with an abutting surface. The abutting surface is an arc-shaped structure and is used to abut against the outer peripheral side of the coil.

[0013] According to some embodiments of the present utility model, the second fixing member is connected with a first shock-absorbing member. The first shock-absorbing member is used to abut against the outer peripheral side of the coil.

[0014] According to some embodiments of the present utility model, the bracket includes a bottom frame and a side frame connected to the bottom frame. The bottom frame and the side frame enclose to form the accommodating cavity. The first locking assembly is arranged between the bottom frame and the first fixing member. The bottom frame is connected with a second shock-absorbing member. The second shock-absorbing member is used to abut against one end of the coil. The first fixing member is connected with a third shock-absorbing member. The third shock-absorbing member is used to abut against the other end of the coil.

[0015] According to some embodiments of the present utility model, the bracket is provided with a first limiting channel and a second limiting channel which are arranged side by side at intervals. The first limiting channel and the second limiting channel are respectively used for sleeving on the corresponding shovel arms of the forklift, and the side walls of the first limiting channel and the second limiting channel can respectively abut against the corresponding shovel arms of the forklift.

[0016] Additional aspects and advantages of the present utility model will be given in part in the following description, become apparent in part from the following description, or be understood through the practice of the present utility model. Description of the Drawings

[0017] The above and / or additional aspects and advantages of the present utility model will become apparent and be readily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0018] Figure 1 is a schematic structural view of the jig according to an embodiment of the present utility model;

[0019] Figure 2 is an exploded view of the jig according to an embodiment of the present utility model;

[0020] Figure 3 is a side view of the jig according to an embodiment of the present utility model;

[0021] Figure 4 is a schematic structural view of the bracket according to an embodiment of the present utility model;

[0022] Figure 5 is an assembly view of the first locking assembly and the first fixing member according to an embodiment of the present utility model;

[0023] Figure 6 is an assembly view of the second locking assembly and the second fixing member according to an embodiment of the present utility model;

[0024] Figure 7 is an exploded view of the second locking assembly and the second fixing member according to an embodiment of the present utility model.

[0025] Reference Signs:

[0026] Bracket 100, receiving cavity 101, waist-shaped hole 102, first limiting channel 103, second limiting channel 104, chassis 110, second shock-absorbing member 111, side frame 120, through hole 121, first fixing member 200, third shock-absorbing member 210, first locking assembly 300, first connecting member 310, first locking member 320, second fixing member 400, abutting surface 401, first shock-absorbing member 410, second locking assembly 500, second connecting member 510, second locking member 520, coil 600, lifting lug 700. Detailed Embodiments

[0027] Embodiments of the present utility model will be described in detail below. Examples of the embodiments are shown in the accompanying drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present utility model and should not be construed as a limitation of the present utility model.

[0028] In the description of the present utility model, it should be understood that with regard to the orientation description, such as the upper, lower, front, rear, left, right, etc., the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model.

[0029] In the description of the present utility model, the meaning of "several" is one or more, the meaning of "multiple" is two or more, "greater than", "less than", "exceeding", etc. are understood as not including the present number, and "above", "below", "within", etc. are understood as including the present number. If there is a description of "first" and "second", it is only for the purpose of distinguishing technical features and should not be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or implicitly indicating the sequence relationship of the indicated technical features.

[0030] In the description of the present utility model, unless otherwise clearly defined, words such as "set", "installed", "connected", etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the above words in the present utility model in combination with the specific content of the technical solution.

[0031] Refer to Figure 1 、 Figure 2 According to the fixture of the embodiment of the present utility model, it includes a bracket 100, a first fixing member 200 and a first locking assembly 300. The bracket 100 is provided with a receiving cavity 101 for receiving a coil 600. The first fixing member 200 is arranged on the bracket 100 and can move in the vertical direction. The first fixing member 200 is used to abut against the upper end of the coil 600. The first locking assembly 300 is arranged between the bracket 100 and the first fixing member 200. The first locking assembly 300 is used to lock the position of the first fixing member 200. In this way, the maintenance personnel can move the first fixing member 200 in the vertical direction to adjust the distance between the first fixing member 200 and the bottom of the bracket 100, so as to adapt to coils 600 of different heights. After the first fixing member 200 is moved to a suitable position, the first fixing member 200 can be locked by the first locking assembly 300 to fix the coil 600, which can improve the versatility of the fixture.

[0032] Specifically, when a dry-type transformer fails, maintenance personnel can disassemble the coil 600 and place the coil 600 in the accommodating cavity 101, such that one end of the coil 600 abuts against the bottom of the bracket 100. After that, the maintenance personnel can move the first fixing member 200 to make the first fixing member 200 abut against the upper end of the coil 600, and then lock the first fixing member 200 through the first locking assembly 300 to fix the coil 600. The maintenance personnel can adjust the distance between the first fixing member 200 and the bottom of the bracket 100 by moving the first fixing member to adapt to coils 600 of different heights, which can improve the versatility of the jig.

[0033] It can be understood that when it is necessary to loosen the coil 600, the maintenance personnel can disassemble the first fixing member 200 by disconnecting the first locking assembly 300. The operation is simple, convenient and fast, which can facilitate the maintenance and repair of the coil 600 by the maintenance personnel, and will not be elaborated here.

[0034] Refer to Figure 1 、 Figure 5 In some embodiments of the present invention, the first locking assembly 300 includes a first connecting member 310 and a first locking member 320. One end of the first connecting member 310 is connected to the bottom of the bracket 100, the other end of the first connecting member 310 is provided with a first thread portion, the first locking member 320 is provided with a second thread portion, the first locking member 320 is sleeved on the upper end of the first connecting member 310, and the first thread portion is in threaded cooperation with the second thread portion. The first locking member 320 abuts against the first fixing member 200, which can facilitate the locking and loosening of the coil 600.

[0035] Specifically, the first thread portion is an external thread structure, the second thread portion is an internal thread structure. The first connecting member 310 passes through the inside of the coil 600, one end of the first connecting member 310 is connected to the bottom of the bracket 100, the other end of the first connecting member 310 extends out of the coil 600, and the other end of the first connecting member 310 passes through the first fixing member 200. The first locking member 320 is sleeved on the other end of the first connecting member 310, the first thread portion is in threaded cooperation with the second thread portion, and the first locking member 320 is located above the first fixing member 200. When locking the coil 600, rotate the first locking member 320 so that the first locking member 320 can push the first fixing member 200 to abut against the upper end of the coil 600, then the coil 600 can be locked. When loosening the coil 600, rotate the first locking member 320 in the reverse direction so that the first locking member 320 is disconnected from the first connecting member 310 to disassemble the first fixing member 200, then the coil 600 can be loosened. The operation is simple, convenient and fast, which can facilitate the locking and loosening of the coil 600.

[0036] It should be noted that the first locking assembly 300 can also be an eccentric wheel locking structure or a cam locking structure, which will not be elaborated here.

[0037] Reference Figure 5 Figure 5 , in some embodiments of the present utility model, two first connectors 310 are configured, and an adjusting structure is provided between the first connectors 310 and the bracket 100. The adjusting structure is used to adjust the distance between two adjacent first connectors 310 to adapt to coils 600 with different inner diameters, which can improve the versatility of the jig.

[0038] It should be noted that the first connectors 310 can also be configured with three, four, etc., which are not limited herein.

[0039] Reference Figure 4 、 Figure 5 Figure 5 , in some embodiments of the present utility model, the adjusting structure includes a waist-shaped hole 102 provided at the bottom of the bracket 100. At least two first connectors 310 pass through the waist-shaped hole 102 and can move along the length direction of the waist-shaped hole 102 to adapt to coils 600 with different inner diameters, which can improve the versatility of the jig.

[0040] Specifically, the waist-shaped hole 102 extends horizontally. Maintenance personnel can move the first connectors 310 within the inner diameter of the coil 600 to adjust the distance between two adjacent first connectors 310, which can adapt to coils 600 with different inner diameters, thereby improving the versatility of the jig.

[0041] It should be noted that the adjusting structure can also be a structure in which a chute cooperates with the first connector 310. The chute is a T-shaped structure or a dovetail groove structure. One end of the first connector 310 is slidably disposed in the chute, and the distance between two adjacent first connectors 310 can also be adjusted, which will not be elaborated herein.

[0042] Reference Figure 2 、 Figure 6 Figure 6 , in some embodiments of the present utility model, the jig further includes four second fixing members 400. The four second fixing members 400 are arranged at intervals along the circumference of the bracket 100. The second fixing members 400 can move horizontally. The second fixing members 400 are used to abut against the outer peripheral side of the coil 600. A second locking assembly 500 is provided between the second fixing members 400 and the bracket 100. The second locking assembly 500 is used to lock the positions of the second fixing members 400, which can prevent the coil 600 from shaking left and right relative to the bracket 100 and can adapt to coils 600 with different outer diameters, which can improve the versatility of the jig.

[0043] Specifically, when the outer diameter of the coil 600 decreases, the maintenance personnel can move the second fixing members 400 on the opposite side closer to each other, so that the distance between the second fixing members 400 on the opposite side decreases, so that the distance between the second fixing members 400 on the opposite side matches the outer diameter of the coil 600. Then, the second fixing members 400 can be locked by the second locking assembly 500 to fix the coil 600. When the outer diameter of the coil 600 increases, the maintenance personnel can loosen the second locking assembly 500, and the maintenance personnel can move the second fixing members 400 on the opposite side away from each other, so that the distance between the second fixing members 400 on the opposite side increases, so as to adapt to coils 600 with different outer diameters, which can improve the versatility of the jig.

[0044] Refer to Figure 6 、 Figure 7 , in some embodiments of the present invention, the second locking assembly 500 includes a second connecting member 510 and a second locking member 520. One end of the second connecting member 510 is connected to the second fixing member 400, and the other end of the second connecting member 510 is connected to one side of the bracket 100. The other end of the second connecting member 510 is provided with a third thread portion, and the second locking member 520 is provided with a fourth thread portion. The second locking member 520 is sleeved on the end of the second connecting member 510 away from the second fixing member 400, and the third thread portion is in threaded cooperation with the fourth thread portion. The second locking member 520 abuts against one side of the bracket 100, which can facilitate loosening or locking the second fixing member 400.

[0045] Specifically, the third thread portion is an external thread structure, and the fourth thread portion is an internal thread structure. One end of the second connecting member 510 is connected to one side of the bracket 100, and the other end of the first connecting member 310 is connected to the second fixing member 400. The second locking member 520 is sleeved on the other end of the second connecting member 510, the third thread portion is in threaded cooperation with the fourth thread portion, and the second locking member 520 is located on the outer peripheral side of the bracket 100. When locking the coil 600, rotate the second locking member 520 so that the second locking member 520 can push the second fixing member 400 to abut against the outer peripheral side of the coil 600, and the coil 600 can be locked. When loosening the coil 600, rotate the second locking member 520 in the reverse direction so that the second locking member 520 loosens the second connecting member 510, and the coil 600 can be loosened. The operation is simple, convenient and fast, which can facilitate locking and loosening the coil 600.

[0046] It should be noted that the second locking assembly 500 can also be an eccentric wheel locking structure or a cam locking structure, which will not be elaborated here.

[0047] Refer to Figure 7, in some embodiments of the present utility model, the second fixing member 400 is provided with an abutting surface 401, the abutting surface 401 is an arc-shaped structure, and the abutting surface 401 is used to abut against the outer peripheral side of the coil 600, which can increase the contact area between the second fixing member 400 and the coil 600, so as to improve the use reliability of the jig.

[0048] Refer to Figure 6 , Figure 7 , in some embodiments of the present utility model, the second fixing member 400 is connected with a first shock-absorbing member 410, and the first shock-absorbing member 410 is used to abut against the outer peripheral side of the coil 600, which can protect the coil 600 to avoid the situation that the second fixing member 400 scratches or scrapes the coil 600.

[0049] Specifically, the first shock-absorbing member 410 is made of silica gel or rubber. When the coil 600 vibrates during transportation, the first shock-absorbing member 410 can buffer the coil 600 to protect the coil 600 and avoid the situation that the second fixing member 400 scratches or scrapes the coil 600.

[0050] Refer to Figure 4 , Figure 5 , in some embodiments of the present utility model, the bracket 100 includes a bottom frame 110 and a side frame 120 connected to the bottom frame 110. The bottom frame 110 and the side frame 120 enclose a receiving cavity 101. The first locking assembly 300 is arranged between the bottom frame 110 and the first fixing member 200. The bottom frame 110 is connected with a second shock-absorbing member 111, and the second shock-absorbing member 111 is used to abut against one end of the coil 600. The first fixing member 200 is connected with a third shock-absorbing member 210, and the third shock-absorbing member 210 is used to abut against the other end of the coil 600, which can protect the coil 600 to avoid the situation that the second fixing member 400 scratches or scrapes the coil 600.

[0051] Specifically, the second shock-absorbing member 111 and the third shock-absorbing member 210 are made of silica gel or rubber. The second shock-absorbing member 111 abuts against one end of the coil 600, and the third shock-absorbing member 210 abuts against the other end of the coil 600. When the coil 600 vibrates during transportation, the second shock-absorbing member 111 and the third shock-absorbing member 210 can buffer the coil 600 to protect the coil 600 and avoid the situation that the first fixing member 200 and the bracket 100 scratch or scrape the coil 600.

[0052] It should be noted that lifting lugs 700 are respectively connected to the opposite sides of the side frame 120, which can facilitate the lifting equipment to hoist the bracket 100 to facilitate the transportation of the coil 600, and details are not described here.

[0053] It should be noted that the side frame 120 is provided with a plurality of through holes 121 which are arranged at intervals along the circumferential direction of the side frame 120. The through holes 121 correspond to the second connectors 510 one by one. The second connectors 510 are inserted into the corresponding through holes 121 and can move along the axial direction of the through holes 121, which will not be elaborated here.

[0054] Referring Figure 3 , in some embodiments of the present utility model, the bracket 100 is provided with a first limiting channel 103 and a second limiting channel 104 which are arranged side by side at intervals. The first limiting channel 103 and the second limiting channel 104 are respectively used for sleeving the corresponding shovel arms of the forklift, and the side walls of the first limiting channel 103 and the second limiting channel 104 can respectively abut against the corresponding shovel arms of the forklift, which can avoid the situation that the bracket 100 shakes relative to the forklift when the forklift turns, resulting in the coil 600 toppling, and can facilitate the transportation of the coil 600.

[0055] Specifically, the forklift is provided with two shovel arms. One of the two shovel arms is inserted into the first limiting channel 103, and the other is inserted into the second limiting channel 104. The two shovel arms can respectively abut against the side walls of the first limiting channel 103 and the second limiting channel 104, which can avoid the situation that the bracket 100 shakes relative to the forklift when the forklift turns, resulting in the coil 600 toppling, and can facilitate the transportation of the coil 600.

[0056] The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered to be within the scope described in this specification.

[0057] The above has described this embodiment in detail with reference to the drawings, but the present utility model is not limited to the above embodiment. Within the scope of knowledge possessed by those of ordinary skill in the art in the said technical field, various changes can also be made without departing from the purpose of the present utility model.

Claims

1. A fixture, characterized in that: include: A bracket (100) is provided with a receiving cavity (101) for receiving the coil (600); A first fixing member (200) is disposed on the bracket (100) and is movable in a vertical direction, wherein the first fixing member (200) is used to abut against the upper end of the coil (600); The first locking assembly (300) is arranged between the bracket (100) and the first fixing member (200), and the first locking assembly (300) is used to lock the position of the first fixing member (200).

2. The fixture according to claim 1, characterized in that: The first locking component (300) comprises a first connecting member (310) and a first locking member (320), one end of the first connecting member (310) is connected to the bottom of the bracket (100), the other end of the first connecting member (310) is provided with a first threaded portion, the first locking member (320) is provided with a second threaded portion, the first locking member (320) is sleeved on the upper end of the first connecting member (310), the first threaded portion is threadedly matched with the second threaded portion, and the first locking member (320) is in contact with the first fixing member (200).

3. The fixture according to claim 2, characterized in that: At least two of the first connecting members (310) are configured, and an adjustment structure is provided between the first connecting member (310) and the bracket (100), and the adjustment structure is used to adjust the distance between two adjacent first connecting members (310).

4. The fixture according to claim 3, characterized in that: The adjustment structure comprises a waist-shaped hole (102) arranged at the bottom of the bracket (100), and at least two of the first connecting members (310) are inserted through the waist-shaped hole (102) and can move along the length direction of the waist-shaped hole (102).

5. The fixture according to claim 1, characterized in that: The fixture further comprises at least two second fixing members (400), the at least two second fixing members (400) being arranged at intervals along the circumference of the bracket (100), the second fixing members (400) being movable in a horizontal direction, the second fixing members (400) being used to abut against the outer peripheral side of the coil (600), a second locking assembly (500) being provided between the second fixing member (400) and the bracket (100), the second locking assembly (500) being used to lock the position of the second fixing member (400).

6. The fixture according to claim 5, characterized in that: The second locking component (500) includes a second connecting member (510) and a second locking member (520), one end of the second connecting member (510) is connected to the second fixing member (400), the other end of the second connecting member (510) is connected to one side of the bracket (100), the other end of the second connecting member (510) is provided with a third threaded portion, the second locking member (520) is provided with a fourth threaded portion, the second locking member (520) is sleeved on one end of the second connecting member (510) away from the second fixing member (400), the third threaded portion is threadedly matched with the fourth threaded portion, and the second locking member (520) is in contact with one side of the bracket (100).

7. The fixture according to claim 5, characterized in that: The second fixing member (400) is provided with a contact surface (401), the contact surface (401) is an arc-shaped structure, and the contact surface (401) is used to contact the outer peripheral side of the coil (600).

8. The fixture according to claim 5, characterized in that: The second fixing member (400) is connected to a first shock absorbing member (410), and the first shock absorbing member (410) is used to abut against the outer peripheral side of the coil (600).

9. The fixture according to claim 1, characterized in that: The bracket (100) comprises a base frame (110) and a side frame (120) connected to the base frame (110); the base frame (110) and the side frame (120) are enclosed to form the accommodating cavity (101); the first locking assembly (300) is arranged between the base frame (110) and the first fixing member (200); the base frame (110) is connected to a second shock absorbing member (111); the second shock absorbing member (111) is used to abut against one end of the coil (600); the first fixing member (200) is connected to a third shock absorbing member (210); the third shock absorbing member (210) is used to abut against the other end of the coil (600).

10. The fixture according to claim 1, characterized in that: The bracket (100) is provided with a first limiting channel (103) and a second limiting channel (104) which are arranged side by side and spaced apart from each other. The first limiting channel (103) and the second limiting channel (104) are respectively used to be sleeved on the corresponding shovel arm of the forklift, and the side wall of the first limiting channel (103) and the side wall of the second limiting channel (104) can respectively abut against the corresponding shovel arm of the forklift.

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