Tool clamp for mutual inductor detection

Abstract

The utility model relates to the technical field of mutual inductor detection, and discloses a tool clamp for mutual inductor detection, which solves the problem that the current mutual inductor is easy to move in the detection process, and comprises a detection table, a clamping mechanism is arranged at the top of the detection table, a limiting mechanism is arranged on the clamping mechanism, a mutual inductor body is arranged at the top of the detection table, and the limiting mechanism is arranged on the limiting mechanism. The clamping mechanism comprises a supporting plate fixed to the top of the detection table, the mutual inductor body is placed on the top of the supporting plate, and a vertical plate is fixedly installed on the top of the supporting plate. According to the transformer body fixing device, the lifting plate can move downwards and be fixed conveniently through cooperation between the movable rod and the inserting rod and cooperation between the inserting hole and the second spring, the pressing plate can be tightly attached to the bottom wall of an inner hole of the transformer body conveniently through cooperation between the U-shaped round rod and the lifting plate and cooperation between the pressing plate and the first spring, and the transformer body can be fixed between the vertical plate and the supporting plate; therefore, the mutual inductor body is prevented from moving in the detection process.

Description

Technical Field

[0001] The utility model belongs to the technical field of mutual inductor detection, in particular to a tooling clamp for mutual inductor detection. Background Art

[0002] A transformer, also known as an instrument transformer, is a general term for current transformers and voltage transformers. It can convert high voltage into low voltage and high current into low current. It is used in measurement or protection systems. Its main function is to convert high voltage or high current into standard low voltage or standard low current in proportion, so as to achieve standardization and miniaturization of measuring instruments, protection equipment and automatic control equipment. With the rapid development of industry, the demand for transformers is increasing. In order to meet different application scenarios, transformers of various shapes have emerged. In order to ensure the production quality and subsequent working performance of the transformer, the transformer must be tested before leaving the factory.

[0003] At present, most of the transformers are placed on some temporary testing tables, and then their positions are fixed with heavy objects or other objects. During the testing process, the transformers are prone to move and the fixing effect is poor, which leads to reduced accuracy of the test results. Utility Model Content

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a tooling clamp for transformer detection, which effectively solves the problem that the current transformer is prone to movement during the detection process.

[0005] To achieve the above object, the utility model provides the following technical solutions: a tooling clamp for transformer detection, comprising a detection platform, a clamping mechanism is installed on the top of the detection platform, a limit mechanism is installed on the clamping mechanism, and a transformer body is arranged on the top of the detection platform;

[0006] The clamping mechanism includes a support plate fixed to the top of the testing table, the transformer body is placed on the top of the support plate, a vertical plate is fixedly installed on the top of the support plate, the transformer body is fitted with the vertical plate, a through groove is provided on the vertical plate, a column is fixedly installed on the inner side of the through groove, a lifting plate is movably sleeved on the outer side of the column, the lifting plate passes through the inner hole of the transformer body, a spring 2 is fixedly connected between the bottom of the lifting plate and the inner bottom wall of the through groove, the spring 2 is sleeved on the outer side of the column, a pressing plate is provided below the lifting plate, the bottom of the pressing plate is fitted with the bottom wall of the inner hole of the transformer body, a U-shaped round rod is fixedly installed on the top of the pressing plate, the U-shaped round rod passes through the lifting plate and is movably connected to the lifting plate, two springs 1 are symmetrically fixedly connected between the lifting plate and the pressing plate, and the two springs 1 are both sleeved on the outer side of the U-shaped round rod.

[0007] Preferably, the outer side of the column is fixedly sleeved with a fixed sleeve located above the lifting plate, the bottom of the fixed sleeve is rotatably connected to a movable rod, the movable rod is in a vertical state, a plug rod is fixedly installed at the bottom end of the movable rod, and a socket matched with the plug rod is provided on the top of the lifting plate, and the plug rod is located in the socket.

[0008] Preferably, the outer side of the column is fixedly sleeved with a fixing ring, the fixing ring is located between the lifting plate and the fixing sleeve, and the movable rod is in contact with the fixing ring.

[0009] Preferably, the limiting mechanism includes a slide groove opened on the lifting plate, a slide rod is fixedly installed in the slide groove, an L-shaped plate is movably sleeved on the outer side of the slide rod, a slide plate located below the lifting plate is fixedly installed on the L-shaped plate, a limiting plate is fixedly installed on the side of the slide plate close to the transformer body, the limiting plate is fitted with the transformer body, and the transformer body is located between the limiting plate and the vertical plate.

[0010] Preferably, a limiting wheel is fixedly mounted on the top of the slide plate, and the limiting wheel fits with the bottom of the lifting plate.

[0011] Preferably, a U-shaped plate is fixedly installed on the top of the lifting plate, the inner wall of the U-shaped plate is rotatably connected to a screw rod, one end of the screw rod extends to the outside of the U-shaped plate and a turntable is fixedly installed thereon, a screw sleeve is threadedly sleeved on the outer side of the screw rod, and a connecting column is fixedly connected between the screw sleeve and the L-shaped plate.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] (1) The utility model facilitates the downward movement and fixation of the lifting plate through the cooperation between the movable rod and the insertion rod, and between the insertion hole and the second spring, and facilitates the pressing plate to fit tightly against the bottom wall of the inner hole of the transformer body through the cooperation between the U-shaped round rod and the lifting plate, and between the pressing plate and the first spring, so that the transformer body can be fixed between the vertical plate and the supporting plate, thereby preventing the transformer body from moving during the detection process;

[0014] (2) The new type facilitates the L-shaped plate to slide along the slide rod through the cooperation between the screw rod, the screw sleeve and the connecting column, and can clamp the transformer body to the left and right through the cooperation between the slide plate and the limiting wheel and the limiting plate and the vertical plate, thereby improving the fixing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0016] In the attached picture:

[0017] Figure 1 This is a schematic diagram of the structure of the tooling clamp for detecting a mutual inductor of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the clamping mechanism of the utility model;

[0019] Figure 3 This is a schematic diagram of the vertical plate structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the disassembled structure of the lifting plate and the movable rod of the utility model;

[0021] Figure 5 This is a schematic diagram of the structure of the limiting mechanism of the utility model;

[0022] Figure 6 This is a schematic diagram of the L-shaped plate structure of the utility model.

[0023] In the figure: 1. test bench; 2. clamping mechanism; 201. support plate; 202. spring 1; 203. vertical plate; 204. column; 205. through groove; 206. U-shaped round rod; 207. lifting plate; 208. pressure plate; 209. spring 2; 2010. movable rod; 2011. fixing sleeve; 2012. fixing ring; 2013. plug rod; 2014. plug hole; 3. limiting mechanism; 301. slide groove; 302. turntable; 303. L-shaped plate; 304. slide plate; 305. limiting plate; 306. U-shaped plate; 307. screw sleeve; 308. connecting column; 309. screw rod; 3010. slide rod; 3011. limiting wheel; 4. transformer body. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0025] Embodiment 1, by Figure 1 The utility model comprises a testing platform 1 , a clamping mechanism 2 is installed on the top of the testing platform 1 , a limiting mechanism 3 is installed on the clamping mechanism 2 , and a mutual inductor body 4 is arranged on the top of the testing platform 1 .

[0026] Specifically, by Figure 2-4It is given that the clamping mechanism 2 includes a support plate 201 fixed to the top of the detection platform 1, the transformer body 4 is placed on the top of the support plate 201, a vertical plate 203 is fixedly installed on the top of the support plate 201, the transformer body 4 is fitted with the vertical plate 203, a through slot 205 is provided on the vertical plate 203, a column 204 is fixedly installed on the inner side of the through slot 205, a lifting plate 207 is movably sleeved on the outer side of the column 204, the lifting plate 207 passes through the inner hole of the transformer body 4, a spring 209 is fixedly connected between the bottom of the lifting plate 207 and the inner bottom wall of the through slot 205, the spring 209 is sleeved on the outer side of the column 204, a pressing plate 208 is provided below the lifting plate 207, the bottom of the pressing plate 208 is fitted with the bottom wall of the inner hole of the transformer body 4, a U-shaped round rod 206 is fixedly installed on the top of the pressing plate 208, and the U-shaped round rod 206 passes through The lifting plate 207 is movably connected with the lifting plate 207, and two springs 202 are symmetrically fixedly connected between the lifting plate 207 and the pressure plate 208. The two springs 202 are both sleeved on the outside of the U-shaped round rod 206. The outside of the column 204 is fixedly sleeved with a fixing sleeve 2011 located above the lifting plate 207. The bottom of the fixing sleeve 2011 is rotatably connected with a movable rod 2010, and the movable rod 2010 is in a vertical state. The bottom end of the movable rod 2010 is fixedly installed with an insertion rod 2013. The top of the lifting plate 207 is provided with a socket 2014 adapted to the insertion rod 2013, and the insertion rod 2013 is located in the socket 2014. The outside of the column 204 is fixedly sleeved with a fixing ring 2012, and the fixing ring 2012 is located between the lifting plate 207 and the fixing sleeve 2011, and the movable rod 2010 is fitted with the fixing ring 2012;

[0027] In the use state, the transformer body 4 is first placed on the top of the support plate 201, so that the transformer body 4 fits with the vertical plate 203, and the lifting plate 207 passes through the inner hole of the transformer body 4, and then the lifting plate 207 slides downward along the column 204. At this time, the spring 209 is compressed. When the pressing plate 208 contacts the bottom wall of the inner hole of the transformer body 4, the lifting plate 207 continues to descend. At the same time, both springs 1 202 are compressed. When the descending plate 207 moves to a suitable position, the movable rod 2010 is rotated until it is aligned with the fixing ring 2012. The movable rod 2010 is in a vertical state, and the insertion rod 2013 is located directly above the insertion hole 2014. Then the control of the lifting plate 207 is released. At this time, the spring 209 is reset to drive the lifting plate 207 to slide upward until the insertion rod 2013 is located in the insertion hole 2014, and the position of the lifting plate 207 is fixed. Under the action of the elastic force of the two springs 1 202, the pressure plate 208 is tightly fitted with the bottom wall of the inner hole of the transformer body 4. Finally, the transformer body 4 is fixed to prevent the transformer body 4 from moving during the detection process.

[0028] Specifically, by Figure 5-6The limiting mechanism 3 includes a slide groove 301 provided on the lifting plate 207, a slide rod 3010 is fixedly installed in the slide groove 301, an L-shaped plate 303 is movably sleeved on the outer side of the slide rod 3010, a slide plate 304 located below the lifting plate 207 is fixedly installed on the L-shaped plate 303, a limiting plate 305 is fixedly installed on the side of the slide plate 304 close to the transformer body 4, the limiting plate 305 is in contact with the transformer body 4, and the transformer body 4 is located between the limiting plate 305 and the vertical plate 203. A limiting wheel 3011 is fixedly installed on the top of the slide plate 304, and the limiting wheel 3011 is fitted with the bottom of the lifting plate 207. A U-shaped plate 306 is fixedly installed on the top of the lifting plate 207. A screw 309 is rotatably connected to the inner side wall of the U-shaped plate 306. One end of the screw 309 extends to the outer side of the U-shaped plate 306 and is fixedly installed with a turntable 302. A screw sleeve 307 is threadedly sleeved on the outer side of the screw 309. A connecting column 308 is fixedly connected between the screw sleeve 307 and the L-shaped plate 303.

[0029] When in use, when the transformer body 4 is placed on the vertical plate 203, the turntable 302 is rotated to drive the screw 309 to rotate, and then the L-shaped plate 303 is driven to slide along the slide rod 3010 through the screw sleeve 307 and the connecting column 308, and the slide plate 304 is driven to move horizontally. At the same time, the limiting wheel 3011 rolls at the bottom of the lifting plate 207 to achieve stable movement of the slide plate 304 until the limiting plate 305 is tightly fitted with the transformer body 4, and finally the transformer body 4 is clamped left and right to improve the fixing effect.

Claims

1. A tooling clamp for detecting a mutual inductor, comprising a detection platform (1), characterized in that: A clamping mechanism (2) is installed on the top of the test bench (1), a limit mechanism (3) is installed on the clamping mechanism (2), and a mutual inductor body (4) is provided on the top of the test bench (1); The clamping mechanism (2) comprises a support plate (201) fixed to the top of the detection platform (1), the transformer body (4) is placed on the top of the support plate (201), a vertical plate (203) is fixedly installed on the top of the support plate (201), the transformer body (4) and the vertical plate (203) are fitted together, a through groove (205) is provided on the vertical plate (203), a column (204) is fixedly installed on the inner side of the through groove (205), a lifting plate (207) is movably sleeved on the outer side of the column (204), the lifting plate (207) passes through the inner hole of the transformer body (4), and the bottom of the lifting plate (207) is in contact with the inner bottom wall of the through groove (205). A spring 2 (209) is fixedly connected between the lifting plate (207), and the spring 2 (209) is sleeved on the outside of the column (204). A pressing plate (208) is provided below the lifting plate (207), and the bottom of the pressing plate (208) is in contact with the bottom wall of the inner hole of the transformer body (4). A U-shaped round rod (206) is fixedly installed on the top of the pressing plate (208), and the U-shaped round rod (206) passes through the lifting plate (207) and is movably connected to the lifting plate (207). Two springs 1 (202) are symmetrically fixedly connected between the lifting plate (207) and the pressing plate (208), and the two springs 1 (202) are sleeved on the outside of the U-shaped round rod (206).

2. The tooling clamp for detecting a mutual inductor according to claim 1, characterized in that: The outer side of the upright column (204) is fixedly sleeved with a fixed sleeve (2011) located above the lifting plate (207); the bottom of the fixed sleeve (2011) is rotatably connected to a movable rod (2010); the movable rod (2010) is in a vertical state; an insertion rod (2013) is fixedly installed at the bottom end of the movable rod (2010); a socket (2014) adapted to the insertion rod (2013) is provided at the top of the lifting plate (207), and the insertion rod (2013) is located in the socket (2014).

3. The tooling clamp for detecting a mutual inductor according to claim 1, characterized in that: A fixing ring (2012) is fixedly sleeved on the outside of the upright post (204); the fixing ring (2012) is located between the lifting plate (207) and the fixing sleeve (2011); and the movable rod (2010) is fitted with the fixing ring (2012).

4. The tooling clamp for detecting a mutual inductor according to claim 1, characterized in that: The limiting mechanism (3) comprises a slide groove (301) provided on the lifting plate (207), a slide rod (3010) being fixedly installed in the slide groove (301), an L-shaped plate (303) being movably sleeved on the outer side of the slide rod (3010), a slide plate (304) located below the lifting plate (207) being fixedly installed on the L-shaped plate (303), a limiting plate (305) being fixedly installed on a side of the slide plate (304) close to the transformer body (4), the limiting plate (305) being in contact with the transformer body (4), and the transformer body (4) being located between the limiting plate (305) and the vertical plate (203).

5. The tooling clamp for detecting a mutual inductor according to claim 4, characterized in that: A limiting wheel (3011) is fixedly mounted on the top of the slide plate (304), and the limiting wheel (3011) is in contact with the bottom of the lifting plate (207).

6. The tooling clamp for detecting a mutual inductor according to claim 1, characterized in that: A U-shaped plate (306) is fixedly mounted on the top of the lifting plate (207); a screw rod (309) is rotatably connected to the inner side wall of the U-shaped plate (306); one end of the screw rod (309) extends to the outer side of the U-shaped plate (306) and is fixedly mounted with a turntable (302); a screw sleeve (307) is threadedly sleeved on the outer side of the screw rod (309); and a connecting column (308) is fixedly connected between the screw sleeve (307) and the L-shaped plate (303).

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