Fixing tool for slip ring test

Abstract

The utility model provides a fixing tool for slip ring testing, which comprises a base, the top of the base is provided with a positioning hole, the top of the base is fixedly provided with a back plate, the back plate is respectively provided with a first positioning plate and a second positioning plate through a sliding fixing structure, the top of the base is movably connected with a gear, and the top of the base is fixedly welded with a first fixing block. A first fixing block is fixedly welded to the top of the base, a first through hole is formed in the first fixing block, a first rack is slidably connected into the first through hole, a second fixing block is fixedly welded to the top of the base, a second through hole is formed in the second fixing block, a second rack is slidably connected into the second through hole, and the gear is engaged with the first rack and the second rack. A second positioning plate is welded to one end of the first rack, and a first positioning plate is welded to one end of the second rack. According to the utility model, the first positioning plate and the second positioning plate are driven to slide bidirectionally through the gear, the first rack and the second rack, so that the test work of various types of slip rings can be met.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fixed tooling for slip ring test, and particularly relates to a fixed tooling for slip ring test. BACKGROUND

[0002] The slip ring is an electrical component responsible for connecting and conveying energy and signals for a rotating body. According to the transmission medium, the slip ring is divided into an electrical slip ring, a fluid slip ring, and an optical slip ring, which are also commonly referred to as "rotary connection" or "rotary connection". The slip ring is usually installed at the center of the rotating device and mainly consists of a rotating part and a stationary part. The rotating part is connected to the rotating structure of the device and rotates with it, which is called "rotor". The stationary part is connected to the fixed structure of the device, which is called "stator".

[0003] In the prior art, through retrieval, the utility model patent with patent announcement number CN210210120U proposes a fixed tooling for slip ring test, which comprises a base and a support. A positioning hole is arranged at the center of the base, and a first screw hole is arranged around the positioning hole. A second screw hole is arranged on the base. The right side of the support is connected with a right positioning rib plate, and the left side of the support is connected with a left positioning rib plate. A left rubber block is arranged on the left side of the inner side of the support, and a right rubber block is arranged on the right side of the inner side of the support. A rear rubber block is arranged on the rear side of the support. A hollow frame is arranged on the support. A first positioning block is connected to the top of the support. A knob for fixing a workpiece is arranged in the middle of the first positioning block. Second positioning blocks are arranged on the left and right sides of the top of the support.

[0004] In view of the above prior art, the inventor found in the actual use or application that the prior art has only one fixing form when fixing the slip ring, which is only suitable for a slip ring with a certain size and width, and cannot meet the test of slip rings of various models, which has certain limitations. UTILITY MODEL CONTENT

[0005] In order to solve the problem that the prior art has only one fixing form when fixing the slip ring, which is only suitable for a slip ring with a certain size and width, and cannot meet the test of slip rings of various models, which has certain limitations, the utility model provides a fixed tooling for slip ring test.

[0006] The fixed tooling for slip ring test provided by the utility model adopts the following technical scheme:

[0007] The utility model provides a fixed tool for slip ring test, including the base, the top of base is equipped with the positioning hole, the top of base is fixedly installed with backplate, backplate is installed with first positioning plate, second positioning plate through sliding fixed structure respectively, the top of base is movably connected with gear, the top of base is fixedly welded with first fixed block, first fixed block is equipped with first through hole, first through hole is slidably connected with first rack in, the top of base is fixedly welded with second fixed block, the inside of second fixed block is equipped with second through hole, second through hole is slidably connected with second rack in, gear is engaged with first rack, second rack respectively, first rack's one end is welded with second positioning plate, second rack's one end is welded with first positioning plate, the inwall of first positioning plate with second positioning plate all is provided with positioning buffer device, the top of second positioning plate is provided with fixing device,

[0008] Preferably, the sliding fixed structure comprises a first sliding groove and a fixed nut, one end of a stud is welded to the outer side wall of the first positioning plate and the second positioning plate, the stud slides in the first sliding groove, and the other end of the stud is connected with the fixed nut through threads.

[0009] Preferably, the positioning buffer device comprises a positioning block and a rubber block, the positioning block is welded to the inner side wall of the first positioning plate and the second positioning plate, and the rubber block is installed on the top of the positioning block through bolts.

[0010] Preferably, the fixing device comprises a fixed plate, a second sliding groove, and a fixed bolt, the fixed plate is rotatably connected to the top of the second positioning plate through a hinge, the second sliding groove is formed in the fixed plate, and the fixed bolt is slidably connected in the second sliding groove, the outer side wall of the first positioning plate is provided with a threaded hole, and the fixed bolt is used in cooperation with the threaded hole.

[0011] Preferably, the outer side wall of the fixed plate is provided with a positioning bolt for fixing a pulley through threads.

[0012] Preferably, the bottom of the first positioning plate and the second positioning plate is provided with a roller.

[0013] In summary, the utility model has the advantages that:

[0014] The utility model discloses a fixed tool for slip ring test, including the base, the top of base is equipped with the positioning hole, the top of base is fixedly installed with backplate, backplate is installed with first positioning plate, second positioning plate through sliding fixed structure respectively, the top of base is movably connected with gear, the top of base is fixedly welded with first fixed block, first fixed block is equipped with first through hole, first through hole is slidably connected with first rack in, the top of base is fixedly welded with second fixed block, the inside of second fixed block is equipped with second through hole, second through hole is slidably connected with second rack in, gear is engaged with first rack, second rack respectively, first rack's one end is welded with second positioning plate, second rack's one end is welded with first positioning plate, the inwall of first positioning plate with second positioning plate all is provided with positioning buffer device, the top of second positioning plate is provided with fixing device, BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic view of the utility model;

[0016] Figure 2 It is the whole structure schematic view of the utility model;

[0017] Figure 3 It is the back structure schematic view of the utility model;

[0018] Figure 4 It is the partial structure schematic view of the utility model.

[0019] As shown in the drawing: 1-base, 11-positioning hole, 2-back plate, 21-first sliding groove, 22-fixing nut, 31-first positioning plate, 32-second positioning plate, 33-roller, 41-positioning block, 42-rubber block, 43-fixing plate, 44-second sliding groove, 441-fixing bolt, 45-positioning bolt, 51-first fixing block, 52-first rack, 53-second fixing block, 54-second rack, 55-gear. Specific implementation

[0020] The following will be combined with the attached Figures 1-4 The utility model is further explained in detail:

[0021] The utility model embodiment discloses a fixed tool for slip ring test, as shown in the drawing: Figure 1 、 2 , 3, 4 shows a fixed tool for slip ring test, including base 1, the top of base 1 is set with positioning hole 11, the top of base 1 is fixedly installed with back plate 2, back plate 2 is installed with first positioning plate 31, second positioning plate 32 respectively through sliding fixed structure, the top of base 1 is movably connected with gear 55, the top of base 1 is fixedly welded with first fixing block 51, first fixing block 51 is set with first through-hole, first rack 52 is slidably connected in this first through-hole, the top of base 1 is fixedly welded with second fixing block 53, the inside of second fixing block 53 is set with second through-hole, second rack 54 is slidably connected in this second through-hole, gear 55 is engaged with first rack 52, second rack 54 respectively, one end of first rack 52 is welded with second positioning plate 32, one end of second rack 54 is welded with first positioning plate 31, the inner side wall of first positioning plate 31 and second positioning plate 32 is all provided with positioning buffer device, and the top of second positioning plate 32 is provided with fixing device;In this embodiment, through gear 55 and first rack 52 and second rack 54, first positioning plate 31 and second positioning plate 32 are driven to slide bidirectionally simultaneously, make positioning hole 11 always keep in the center of first positioning plate 31 and second positioning plate 32, satisfy the test work of multiple models of slip ring;

[0022] As Figure 1, Figure 2 , Figure 3 As shown, the sliding fixing structure includes a first sliding groove 21 and a fixing nut 22. The outer walls of the first positioning plate 31 and the second positioning plate 32 are each welded with one end of a stud. The stud slides inside the first sliding groove 21, and the other end of the stud passes through the first sliding groove 21 and is threadedly connected to the fixing nut 22. In this embodiment, by adding the sliding fixing structure, when the first positioning plate 31 or the second positioning plate 32 is pulled to move to both sides, it stops moving when it reaches a suitable position. By tightening the fixing nut 22, the first positioning plate 31 and the second positioning plate 32 are fixed on the back plate 2 and no longer displaced, thus achieving the purpose of fixing the first positioning plate 31 and the second positioning plate 32.

[0023] like Figure 1 , Figure 2 , Figure 3 As shown, the positioning buffer device includes a positioning block 41 and a rubber block 42. The inner walls of the first positioning plate 31 and the second positioning plate 32 are both welded with positioning blocks 41, and the top of the positioning block 41 is bolted with a rubber block 42. In this embodiment, by adding a positioning buffer device, when the workpiece is placed on the positioning block 41, the rubber block 42 plays a buffering role, reducing the damage to the workpiece caused by vibration during testing. Furthermore, the rubber block 42 is fixed with bolts, and it can be easily disassembled and replaced when the rubber block 42 needs to be replaced due to wear.

[0024] like Figure 1 , Figure 2 , Figure 3 As shown, the fixing device includes a fixing plate 43, a second sliding groove 44, and a fixing bolt 441. The top of the second positioning plate 32 is rotatably connected to the fixing plate 43 via a hinge. The fixing plate 43 has a second sliding groove 44 inside, and the fixing bolt 441 is slidably connected inside the second sliding groove 44. The outer side wall of the first positioning plate 31 has a threaded hole, and the fixing bolt 441 is used in conjunction with the threaded hole. In this embodiment, by adding the fixing device, when the workpiece is placed, the fixing plate 43 is opened to place the workpiece. After placement, the fixing bolt 441 passes through the second sliding groove 44 and enters the threaded hole to be tightened for fixing.

[0025] like Figure 1 , 2 As shown, the outer wall of the fixing plate 43 is threaded with positioning bolts 45 for fixing the pulley; in this embodiment, the workpiece is fixed by adding positioning bolts 45.

[0026] like Figure 2 Figure 3 Figure 1 Figure 2 As shown, rollers 33 are installed at the bottom of the first positioning plate 31 and the second positioning plate 32. In this embodiment, by adding rollers 33, the first positioning plate 31 and the second positioning plate 32 can slide more smoothly to both sides.

[0027] The implementation principle of the embodiment of the utility model is:

[0028] According to the width of the workpiece to be tested, the first positioning plate 31 or the second positioning plate 32 is pulled to the two sides, the first positioning plate 31 or the second positioning plate 32 drives the rack to move, the gear 55 is engaged with the first rack 52 and the second rack 54, the distance of the movement of the first positioning plate 31 and the second positioning plate 32 to the two sides is the same, the positioning hole 11 always keeps at the midpoint of the first positioning plate 31 and the second positioning plate 32, and the movement is stopped when reaching the appropriate position, the first positioning plate 31 and the second positioning plate 32 are fixed on the back plate 2 by tightening the fixing nut 22, and displacement is not generated any more, the purpose of fixing the first positioning plate 31 and the second positioning plate 32 is achieved, when the workpiece is placed, the fixing plate 43 is opened to place the workpiece, the fixing bolt 441 is screwed into the threaded hole through the second sliding groove 44 after being placed, and the workpiece is fixed, the workpiece is fixed again by tightening the positioning bolt 45, and testing is completed.

[0029] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. The various components mentioned in the utility model are common technologies in the prior art, and the technical personnel in the industry should understand that the utility model is not limited by the above embodiments, and the above embodiments and the description in the specification are only to illustrate the principle of the utility model, and the utility model will have various changes and improvements without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A fixture for slip ring testing, comprising a base (1), wherein a positioning hole (11) is provided on the top of the base (1), characterized in that: A back plate (2) is fixedly installed on the top of the base (1). The back plate (2) is equipped with a first positioning plate (31) and a second positioning plate (32) respectively through a sliding fixing structure. A gear (55) is movably connected to the top of the base (1). A first fixing block (51) is fixedly welded to the top of the base (1). The first fixing block (51) has a first through hole, and a first rack (52) is slidably connected inside the first through hole. A second fixing block (53) is fixedly welded to the top of the base (1). The block (53) has a second through hole inside, and a second rack (54) is slidably connected inside the second through hole. The gear (55) meshes with the first rack (52) and the second rack (54) respectively. A second positioning plate (32) is welded to one end of the first rack (52), and a first positioning plate (31) is welded to one end of the second rack (54). Positioning buffer devices are provided on the inner sidewalls of the first positioning plate (31) and the second positioning plate (32). A fixing device is provided on the top of the second positioning plate (32).

2. The fixture for slip ring testing according to claim 1, characterized in that: The sliding fixing structure includes a first sliding groove (21) and a fixing nut (22). The outer walls of the first positioning plate (31) and the second positioning plate (32) are each welded with one end of a stud. The stud slides inside the first sliding groove (21) and the other end of the stud passes through the first sliding groove (21) and is threadedly connected to the fixing nut (22).

3. The fixture for slip ring testing according to claim 1, characterized in that: The positioning buffer device includes a positioning block (41) and a rubber block (42). The inner walls of the first positioning plate (31) and the second positioning plate (32) are both welded with positioning blocks (41), and the top of the positioning block (41) is bolted with a rubber block (42).

4. The fixture for slip ring testing according to claim 1, characterized in that: The fixing device includes a fixing plate (43), a second sliding groove (44), and a fixing bolt (441). The top of the second positioning plate (32) is rotatably connected to the fixing plate (43) via a hinge. The fixing plate (43) has a second sliding groove (44) inside. The fixing bolt (441) is slidably connected inside the second sliding groove (44). The outer side wall of the first positioning plate (31) has a threaded hole. The fixing bolt (441) is used in conjunction with the threaded hole.

5. The fixture for slip ring testing according to claim 4, characterized in that: The outer wall of the fixing plate (43) is fitted with positioning bolts (45) for fixing the pulley by thread.

6. The fixture for slip ring testing according to claim 1, characterized in that: Rollers (33) are installed on the bottom of the first positioning plate (31) and the second positioning plate (32).

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