CN220171109U - Network transformer test fixture - Google Patents

Abstract

The utility model discloses a network transformer test fixture, which comprises: the support table is provided with four upper sliding grooves on the upper side wall, the support table is slidably connected with two movable clamping plates through the upper sliding grooves, an inner sliding groove is formed in each movable clamping plate, each movable clamping plate is slidably connected with a threaded sleeve through the inner sliding groove, and the two threaded sleeves are in threaded connection with the same first adjusting rod; the front side wall and the rear side wall of the supporting table are both connected with movable clamping blocks in a sliding mode, two movable clamping blocks are connected with the same second adjusting rod in a threaded mode, an upper groove is formed in the upper side wall of the supporting table, and a plurality of matched rolling shafts are connected in the upper groove in a rotating mode. In the utility model, the network transformer can be clamped through the movable clamping blocks and the movable clamping plates, and in addition, the movable clamping blocks and the movable clamping plates simultaneously move inwards, so that the network transformer can move to the center of the supporting table without manual adjustment, thereby saving time and labor.

Description

Network transformer test fixture

Technical Field

The utility model relates to the technical field of network transformers, in particular to a network transformer testing fixture.

Background

The network transformer test is to test the electrical properties such as resistance, inductance, turns ratio, broken wire, short circuit, direction, polarity and the like. In the prior art, most of detection personnel carry out single-machine test through a test equipment meter pen or carry out manual test through a manual test fixture, test data cannot be accurately obtained due to errors of single-machine test in the test process, manual test is carried out, the problems of detection efficiency and test frame design accuracy are solved, the labor intensity of operators in the test process is high, the test accuracy is insufficient, and the reliability of a network transformer is affected.

In the process of automatically testing the network transformer, the network transformer needs to be clamped through the clamp, but the existing clamp of the network transformer cannot ensure that the network transformer is at a fixed position after the network transformer is clamped, and the network transformer needs to be regulated and controlled manually, so that time and labor are wasted.

Disclosure of Invention

The utility model aims to at least solve one of the technical problems in the prior art, and provides a network transformer test fixture, which is provided with a movable clamping block and a movable clamping plate, wherein the movable clamping block and the movable clamping plate can be driven to move inwards simultaneously by rotating a first adjusting rod or a second adjusting rod so as to clamp a network transformer, and in addition, the movable clamping block and the movable clamping plate can move inwards simultaneously so that the network transformer can move to the center of a supporting table without manual adjustment, thereby saving time and labor;

the device has set up clamp pad and thread bush, and clamp pad is connected with movable clamp plate through supporting spring, and the thread bush is connected with movable clamp plate through reset spring, combines both for movable clamp plate's centre gripping has the cushioning effect, makes the device can carry out the centre gripping to the network transformer of different models, has improved the suitability of device.

The utility model also provides a network transformer test fixture, comprising: the support table is provided with four upper sliding grooves on the upper side wall, the support table is slidably connected with two movable clamping plates through the upper sliding grooves, an inner sliding groove is formed in each movable clamping plate, each movable clamping plate is slidably connected with a threaded sleeve through the inner sliding groove, and the two threaded sleeves are in threaded connection with the same first adjusting rod;

the front side wall and the rear side wall of the supporting table are both connected with movable clamping blocks in a sliding mode, two movable clamping blocks are connected with the same second adjusting rod in a threaded mode, an upper groove is formed in the upper side wall of the supporting table, and a plurality of matched rolling shafts are connected in the upper groove in a rotating mode.

According to the network transformer test fixture, the middle part of the outer side wall of the first adjusting rod is fixedly connected with a matching worm, the middle part of the outer side wall of the second adjusting rod is fixedly connected with a matching worm wheel, and the matching worm wheel is meshed with the matching worm wheel, so that the first adjusting rod and the second adjusting rod can be mutually driven.

According to the network transformer test fixture, the lower inner wall of the supporting table is fixedly connected with the matching block, and the matching block is rotationally connected with the second adjusting rod, so that the stability of the rotation of the second adjusting rod can be effectively improved.

According to the network transformer test fixture, the thread directions of the two thread sleeves are opposite, the thread directions of the two inner parts of the movable clamping blocks are opposite, when the first adjusting rod rotates, the two movable clamping plates can be driven to move inwards or outwards simultaneously, and when the second adjusting rod rotates, the two movable clamping blocks can be driven to move inwards or outwards simultaneously.

According to the network transformer test fixture, the inside of movable clamp plate is provided with the sliding tray, the inside of sliding tray is provided with the clamp pad, fixedly connected with supporting spring between the inside wall of clamp pad and sliding tray for the movable clamp plate carries out the centre gripping to the network transformer through the clamp pad.

According to the network transformer test fixture, the outer side wall of the threaded sleeve is fixedly connected with the matching protrusion, and the reset spring is fixedly connected between the matching protrusion and the inner side wall of the inner chute, so that the threaded sleeve can slide in the movable clamping plate.

According to the network transformer test fixture, one end of the first adjusting rod is fixedly connected with a rotary table, and the first adjusting rod can be driven to rotate through the rotary table.

According to the network transformer test fixture, the two movable clamping blocks are identical in shape, the movable clamping blocks are arranged in a C shape, and the movable clamping blocks clamp the network transformer through the upper ends.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described below with reference to the drawings and examples;

FIG. 1 is a schematic diagram of a network transformer test fixture according to the present utility model;

FIG. 2 is a schematic diagram of the connection of a movable clamping block and a movable clamping plate of a network transformer test fixture according to the present utility model;

FIG. 3 is a schematic diagram of the inside of a movable clamping plate of a network transformer test fixture according to the present utility model;

fig. 4 is a schematic cross-sectional view of a testing fixture for a network transformer according to the present utility model.

Legend description:

1. a support table; 101. an upper chute; 102. an upper groove; 103. matching with a rolling shaft; 104. a mating block; 2. a first adjusting lever; 201. a turntable; 202. matching with a worm; 3. a movable clamping block; 301. a second adjusting lever; 302. matching with a worm wheel; 4. a movable clamping plate; 401. a clamping pad; 402. a thread sleeve; 4021. matching with the convex; 4022. a return spring; 403. an inner chute; 404. a sliding groove; 4041. and a support spring.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-4, a network transformer test fixture according to an embodiment of the present utility model includes: the supporting bench 1, the upper side wall of supporting bench 1 is provided with four upper chute 101, supporting bench 1 has two movable clamp plates 4 through upper chute 101 sliding connection, the inside of every movable clamp plate 4 is provided with interior spout 403, every movable clamp plate 4 has screw sleeve 402 through interior spout 403 sliding connection, two screw sleeve 402 threaded connection has same root first regulation pole 2, the inside of movable clamp plate 4 is provided with sliding tray 404, the inside of sliding tray 404 is provided with presss from both sides pad 401, fixedly connected with supporting spring 4041 between the inside wall of presss from both sides pad 401 and sliding tray 404 for movable clamp plate 4 carries out the centre gripping to the network transformer through presss from both sides pad 401.

The front side wall and the rear side wall of the supporting table 1 are both connected with movable clamping blocks 3 in a sliding mode, two movable clamping blocks 3 are connected with the same second adjusting rod 301 in a threaded mode, the middle part of the outer side wall of the first adjusting rod 2 is fixedly connected with a matched worm 202, the middle part of the outer side wall of the second adjusting rod 301 is fixedly connected with a matched worm wheel 302, the matched worm 202 is meshed with the matched worm wheel 302, and therefore the first adjusting rod 2 and the second adjusting rod 301 can be mutually driven.

The lower inner wall fixedly connected with cooperation piece 104 of brace table 1, be rotatory connection between cooperation piece 104 and the second regulation pole 301, can effectively improve the pivoted stability of second regulation pole 301, the screw thread opposite direction of two thread bush 402, the inside screw thread opposite direction of two movable clamp splice 3, when first regulation pole 2 rotates, can drive two movable clamp splice 4 and remove to inboard or outside simultaneously, when second regulation pole 301 rotates, can drive two movable clamp splice 3 and remove to inboard or outside simultaneously.

The upper side wall of brace table 1 is provided with groove 102, the inside rotation of groove 102 is connected with a plurality of cooperation roller bearings 103, the lateral wall fixedly connected with cooperation protruding 4021 of thread bush 402, fixedly connected with reset spring 4022 between the inside wall of cooperation protruding 4021 and interior sliding groove 403 for thread bush 402 can slide in movable splint 4 inside, the one end fixedly connected with carousel 201 of first regulation pole 2 can drive first regulation pole 2 through carousel 201 and rotate, the shape of two movable clamp splice 3 is the same, movable clamp splice 3 sets up to the C font, movable clamp splice 3 carries out the centre gripping to the network transformer through the upper end.

Working principle: when the device is used, a network transformer can be placed on the matched rolling shaft 103, two faces of the network transformer are respectively aligned with the two movable clamping plates 4, then, the turntable 201 drives the first adjusting rod 2 to rotate, when the first adjusting rod 2 rotates, the two movable clamping plates 4 can be driven to move inwards to clamp the left side wall and the right side wall of the network transformer, in the process of rotating the first adjusting rod 2, the matched worm wheel 302 is driven to rotate through the matched worm 202, the second adjusting rod 301 is driven to rotate, and when the second adjusting rod 301 rotates, the two movable clamping blocks 3 can be driven to move inwards to clamp the front side wall and the rear side wall of the network transformer, so that the network transformer is fixed.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims (8)

1. A network transformer test fixture, comprising: the support table (1), the upper side wall of the support table (1) is provided with four upper sliding grooves (101), the support table (1) is slidably connected with two movable clamping plates (4) through the upper sliding grooves (101), an inner sliding groove (403) is formed in each movable clamping plate (4), each movable clamping plate (4) is slidably connected with a threaded sleeve (402) through the inner sliding groove (403), and the two threaded sleeves (402) are in threaded connection with the same first adjusting rod (2);

the movable clamping blocks (3) are slidably connected to the front side wall and the rear side wall of the supporting table (1), the two movable clamping blocks (3) are in threaded connection with the same second adjusting rod (301), an upper groove (102) is formed in the upper side wall of the supporting table (1), and a plurality of matched rollers (103) are rotatably connected to the inner portion of the upper groove (102).

2. The network transformer test fixture according to claim 1, wherein a matching worm (202) is fixedly connected to the middle part of the outer side wall of the first adjusting rod (2), a matching worm wheel (302) is fixedly connected to the middle part of the outer side wall of the second adjusting rod (301), and the matching worm (202) is meshed with the matching worm wheel (302).

3. The network transformer test fixture according to claim 1, wherein the lower inner wall of the supporting table (1) is fixedly connected with a matching block (104), and the matching block (104) is in rotary connection with the second adjusting rod (301).

4. A network transformer test fixture according to claim 1, characterized in that the thread directions of the two thread bushings (402) are opposite, and the thread directions inside the two movable clamping blocks (3) are opposite.

5. The network transformer test fixture according to claim 1, wherein a sliding groove (404) is formed in the movable clamping plate (4), a clamping pad (401) is arranged in the sliding groove (404), and a supporting spring (4041) is fixedly connected between the clamping pad (401) and the inner side wall of the sliding groove (404).

6. The network transformer test fixture according to claim 1, wherein an outer sidewall of the threaded sleeve (402) is fixedly connected with a fitting protrusion (4021), and a return spring (4022) is fixedly connected between the fitting protrusion (4021) and an inner sidewall of the inner chute (403).

7. The network transformer test fixture according to claim 1, wherein one end of the first adjusting rod (2) is fixedly connected with a turntable (201).

8. A network transformer test fixture according to claim 1, characterized in that the two movable clamping blocks (3) are identical in shape, the movable clamping blocks (3) being arranged in a C-shape.