CN219676257U

CN219676257U - Detection device of combined transformer

Info

Publication number: CN219676257U
Application number: CN202320884414.XU
Authority: CN
Inventors: 牛锐鹏; 宋凯; 崔占辉; 李永超; 张哲�
Original assignee: Henan Shizhan Electric Power Technology Co ltd
Current assignee: Henan Shizhan Electric Power Technology Co ltd
Priority date: 2023-04-19
Filing date: 2023-04-19
Publication date: 2023-09-12
Anticipated expiration: 2033-04-19

Abstract

The utility model relates to the technical field of transformer inspection, in particular to a detection device of a combined transformer, which comprises a testing device and a transformer to be tested, wherein the bottoms of the testing device and the transformer to be tested are provided with a detection table, the top end of the detection table is fixedly provided with a retaining plate, the bottom of the detection table is rotatably provided with a screw through a bearing, and the outer surfaces of the two ends of the screw are provided with rod pieces in a threaded manner. According to the utility model, the retaining plate, the screw rod, the rod piece and the extruding plate are arranged, the extruding plate is enabled to move towards the direction close to each other by rotating the screw rod, so that the extruding plate respectively extrudes the side surfaces of the testing device and the transformer to be tested, and then the retaining plate is matched for use, when the testing device and the transformer to be tested are extruded by the extruding plate, the testing device and the transformer to be tested are tightly attached to the retaining plate, and therefore, the extruding plate and the retaining plate fix the testing device and the transformer to be tested, and the testing device and the transformer to be tested cannot move when in use, so that unstable connection is avoided when in detection.

Description

Detection device of combined transformer

Technical Field

The utility model relates to the technical field of transformer inspection, in particular to a detection device of a combined transformer.

Background

The transformer is also called as an instrument transformer, is a common name of a current transformer and a voltage transformer, and can change high voltage into low voltage and large current into small current for a measuring or protecting system.

The utility model discloses a combination formula current transformer test device has been recorded to authorization bulletin number CN105929352A, including shell, ampere meter, power, booster, current booster and cluster heart CT, be provided with power jack, primary current terminal, ground connection terminal, three switch button, two ampere meter pen jacks, three power positive electrode jack and power negative electrode jack on the shell, power jack, booster, current booster and cluster heart CT are electric connection in proper order, cluster heart CT output links to each other with primary current terminal electric connection.

The mutual inductor test device in the prior art is connected with the two sides of the mutual inductor respectively through the positive electrode test line and the negative electrode test line, and can detect the mutual inductor, but when in use, because the existing detection device and the detected mutual inductor are not fixed, one of the detection device and the detected mutual inductor moves, the possibility that the positive electrode test line and the negative electrode test line are pulled exists, the connection is unstable easily, and the test effect is influenced, therefore, the detection device of the combined mutual inductor needs to be designed to solve the problems.

Disclosure of Invention

The utility model aims to provide a detection device of a combined transformer, which solves the problems that in the prior art, a positive electrode test wire and a negative electrode test wire are respectively connected with two sides of the transformer by the transformer test device in the prior art, and the transformer can be detected.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a detection device for a combined transformer, comprising: the testing device and the transformer to be tested are provided with a testing table at the bottoms of the testing device and the transformer to be tested, a bearing plate is fixedly arranged at the top end of the testing table, a screw is rotatably arranged at the bottom of the testing table through a bearing, rod pieces are arranged on the outer surfaces of two ends of the screw in a threaded mode, the rod pieces are in threaded installation in opposite directions, and an extrusion plate is fixedly arranged at the top end of each rod piece.

Preferably, the front of the testing device is provided with a power negative electrode jack and a power positive electrode jack, a negative electrode test wire is inserted into the power negative electrode jack, a positive electrode test wire is inserted into the power positive electrode jack, and a test clamp is arranged at the end part of the positive electrode test wire.

Preferably, the both sides of detecting the platform all fixed mounting have the supporting leg, the bottom fixed mounting of supporting leg has the backup pad.

Preferably, the two sides of the detection table are provided with movable grooves, and the extrusion plate penetrates through the movable grooves and extends upwards.

Preferably, the bottom of detecting the platform is provided with installation mechanism, and installation mechanism includes the installation shell, installation shell fixed mounting is between the supporting leg, the screw rod passes through the bearing and rotates the installation on the installation shell, the spout has been seted up to the inside bottom of installation shell, the inside slidable mounting of spout has the slider, the bottom and the slider fixed connection of member.

Preferably, the end part of the screw rod is fixedly provided with a rotating handle.

Preferably, rubber pads are fixedly arranged on one sides of the extrusion plates, which are close to each other, and anti-skidding patterns are uniformly formed on the outer surfaces of the rubber pads.

Preferably, the front surface of the testing device at one side of the power supply negative electrode jack is provided with an ammeter pen jack, and the ammeter pen jack is connected with an ammeter pen body.

Compared with the prior art, the utility model has the beneficial effects that:

1. through being provided with butt plate, screw rod, member and stripper plate, make the stripper plate remove to the direction that is close to each other through rotating the screw rod for the stripper plate extrudees testing arrangement and the side of the mutual inductor that awaits measuring respectively, and when the use of butt plate is pressed to the cooperation again, testing arrangement receives the stripper plate extrusion with the mutual inductor that awaits measuring, testing arrangement all closely laminates with the butt plate with the mutual inductor that awaits measuring, thereby the stripper plate, butt plate all fix testing arrangement, the mutual inductor that awaits measuring, make testing arrangement and mutual inductor that await measuring can not take place to remove when using, in order to avoid connecting unstable when leading to the detection.

2. Through being provided with the rubber pad, by the rubber pad and testing arrangement that set up, the side direct contact of mutual-inductor that awaits measuring, the antiskid line on the rubber pad has played skid-proof effect, through being provided with movable groove, because the stripper plate passes movable groove, when the screw rod control stripper plate removed, the stripper plate passed movable groove and removed to the stripper plate carries out horizontal migration.

Drawings

FIG. 1 is a schematic elevational cross-sectional view of the structure of the present utility model;

FIG. 2 is a schematic partial elevational cross-sectional view of the mounting shell structure of the present utility model;

FIG. 3 is a schematic side view of the extrusion plate and screw structure of the present utility model;

FIG. 4 is a schematic diagram showing the structure of the testing device of the present utility model.

In the figure: 110. a testing device; 111. a transformer to be tested; 112. a detection table; 113. a retaining plate; 114. a screw; 115. a rod piece; 116. an extrusion plate; 117. a rubber pad; 118. a movable groove; 119. support legs; 120. a support plate; 121. a rotating handle; 122. a power supply negative electrode jack; 123. a negative electrode test line; 124. a power supply positive electrode jack; 125. a positive electrode test line; 126. a test clamp; 127. ammeter pen jack; 128. a stylus body; 200. a mounting mechanism; 210. a mounting shell; 211. a chute; 212. a sliding block.

Detailed Description

The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-3, an embodiment of the present utility model is provided: a detection device for a combined transformer, comprising: the utility model discloses a testing device 110 and a transformer 111 to be tested, wherein the testing device 110 used in the utility model is disclosed in the prior art, and the specific structure and the working principle of the testing device are the prior art, so the description is omitted, the bottom of the testing device 110 and the bottom of the transformer 111 to be tested are provided with a testing table 112, the top of the testing table 112 is fixedly provided with a resisting plate 113, the bottom of the testing table 112 is rotatably provided with a screw 114 through a bearing, the outer surfaces of the two ends of the screw 114 are respectively provided with a rod 115 in threaded manner, the rod 115 is mutually opposite threaded, the top of the rod 115 is fixedly provided with a squeezing plate 116, when the device is used, the testing device 110 and the transformer 111 to be tested are respectively arranged on the two sides of the resisting plate 113, the squeezing plate 116 is moved towards the direction which is mutually close by rotating the screw 114, the squeezing plate 116 is respectively pressed on the side of the testing device 110 and the transformer 111 to be tested, and then the resisting plate 113 is matched, when the testing device 110 and the transformer 111 to be tested are squeezed by the squeezing plate 116, the testing device 110 and the transformer 111 are both tightly attached to the squeezing plate 113, and the testing device 110 and the transformer 111 to be tested are not stably connected when the testing device to be tested and the transformer 111 to be tested are not stably moved.

Further, the two sides of the detecting table 112 are provided with movable slots 118, and the squeeze plate 116 extends upward through the movable slots 118, and when the squeeze plate 116 is controlled by the screw 114 to move by passing through the movable slots 118, the squeeze plate 116 passes through the movable slots 118 and moves, so that the squeeze plate 116 moves horizontally.

Further, a rotating handle 121 is fixedly installed at the end of the screw 114, the screw 114 is controlled to rotate by the rotating handle 121, and the rotating handle 121 is used for enabling an operator to apply force to the screw 114, so that the screw 114 is controlled conveniently.

Further, rubber pads 117 are fixedly arranged on one sides of the extrusion plates 116, which are close to each other, anti-skidding patterns are uniformly formed on the outer surfaces of the rubber pads 117, and when the extrusion plates 116 extrude the testing device 110 and the transformer 111 to be tested, the arranged rubber pads 117 are in direct contact with the testing device 110 and the side surfaces of the transformer 111 to be tested, and the anti-skidding patterns on the rubber pads 117 play a role of anti-skidding.

Example two

Compared with the first embodiment, referring to fig. 4, the front surface of the testing device 110 is provided with a power negative electrode jack 122 and a power positive electrode jack 124, a negative electrode test wire 123 is inserted into the power negative electrode jack 122, a positive electrode test wire 125 is inserted into the power positive electrode jack 124, a test clamp 126 is arranged at the end of the positive electrode test wire 125, and when the transformer 111 to be tested is tested, the positive electrode test wire 125 is respectively clamped at one side of the transformer 111 to be tested through the test clamp 126, and the negative electrode test wire 123 is respectively clamped at the other side of the transformer 111 to be tested.

Further, the front surface of the testing device 110 at one side of the power supply negative electrode jack 122 is provided with an ammeter pen jack 127, the ammeter pen jack 127 is connected with an ammeter pen body 128, the ammeter pen body 128 is electrically connected with the transformer 111 to be tested, current pulses can be controlled to flow through the transformer 111 to be tested by pressing a switch button, whether the ammeter in the testing device 110 swings or not and the swinging direction can be observed to judge the through flow and the polarity of the transformer 111 to be tested, and detection is achieved.

Example III

Compared with the first embodiment, referring to fig. 1-2, the detection device for the combined transformer provided by the utility model has the advantages that the support legs 119 are fixedly arranged at both sides of the detection table 112, the support plates 120 are fixedly arranged at the bottom ends of the support legs 119, and when the device is used, the support plates 120 can be fixed, so that the whole device is relatively stable to use, and the support legs 119 and the support plates 120 play a supporting role, so that the device is convenient to use.

Further, the bottom of the detection table 112 is provided with a mounting mechanism 200, the mounting mechanism 200 comprises a mounting shell 210, the mounting shell 210 is fixedly mounted between the supporting legs 119, the screw 114 is rotatably mounted on the mounting shell 210 through a bearing, a sliding groove 211 is formed in the bottom end of the inside of the mounting shell 210, a sliding block 212 is slidably mounted in the sliding groove 211, the bottom end of the rod 115 is fixedly connected with the sliding block 212, when the screw 114 rotates, the sliding block 212 slides in the sliding groove 211, and the sliding groove 211 and the sliding block 212 assist the extrusion plate 116 to horizontally move.

Working principle: when the device is used, the testing device 110 and the transformer 111 to be tested are placed on the detection table 112 and are respectively positioned on two sides of the bearing plate 113, the extrusion plate 116 is enabled to move towards the direction close to each other through the rotating screw 114, the extrusion plate 116 is enabled to respectively extrude the side faces of the testing device 110 and the transformer 111 to be tested, and then the bearing plate 113 is matched for use, when the testing device 110 and the transformer 111 to be tested are extruded by the extrusion plate 116, the testing device 110 and the transformer 111 to be tested are tightly attached to the bearing plate 113, and therefore the extrusion plate 116 and the bearing plate 113 fix the testing device 110 and the transformer 111 to be tested, and the testing device 110 and the transformer 111 to be tested cannot move when in use, so that unstable connection is avoided when detection is caused.

When the extruding plate 116 extrudes the testing device 110 and the transformer 111 to be tested, the rubber pad 117 is in direct contact with the testing device 110 and the side surface of the transformer 111 to be tested, anti-skidding patterns on the rubber pad 117 play a role in skid resistance, when the device is used, the supporting plate 120 can be fixed, the whole device is stable to use, the supporting legs 119 and the supporting plate 120 play a role in supporting, so that the device is used, the sliding block 212 can slide in the sliding groove 211 when the screw 114 rotates, and the sliding groove 211 and the sliding block 212 assist the extruding plate 116 to horizontally move.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A detection device for a combined transformer, comprising: testing arrangement (110) and mutual inductor (111) await measuring, testing arrangement (110) are provided with detection platform (112) with the bottom of mutual inductor (111) await measuring, the top of detection platform (112) is fixed to be provided with and is held out board (113), the bottom of detection platform (112) is rotated through the bearing and is installed screw rod (114), member (115) are all installed to the surface at screw rod (114) both ends screw thread, member (115) are each other for opposite screw thread installation, the top of member (115) is all fixed mounting has extrusion board (116).

2. The device for detecting a combined transformer according to claim 1, wherein: the positive of testing arrangement (110) is provided with power negative pole jack (122) and positive of power jack (124), peg graft on power negative pole jack (122) and have negative pole test line (123), peg graft on positive of power jack (124) and have positive pole test line (125), the tip of positive pole test line (125) is provided with test clamp (126).

3. The device for detecting a combined transformer according to claim 1, wherein: support legs (119) are fixedly arranged on two sides of the detection table (112), and support plates (120) are fixedly arranged at the bottom ends of the support legs (119).

4. The device for detecting a combined transformer according to claim 1, wherein: both sides of the detection table (112) are provided with movable grooves (118), and the extrusion plate (116) penetrates through the movable grooves (118) and extends upwards.

5. A combined transformer detection device according to claim 3, characterized in that: the bottom of detecting platform (112) is provided with installation mechanism (200), and installation mechanism (200) are including installation shell (210), installation shell (210) fixed mounting is between supporting leg (119), screw rod (114) are installed on installation shell (210) through the bearing rotation, spout (211) have been seted up to the inside bottom of installation shell (210), the inside slidable mounting of spout (211) has slider (212), the bottom and slider (212) fixed connection of member (115).

6. The device for detecting a combined transformer according to claim 1, wherein: the end part of the screw rod (114) is fixedly provided with a rotating handle (121).

7. The device for detecting a combined transformer according to claim 4, wherein: rubber pads (117) are fixedly arranged on one sides, close to each other, of the extrusion plates (116), and anti-skidding patterns are uniformly formed on the outer surfaces of the rubber pads (117).

8. The device for detecting a combined transformer according to claim 2, wherein: the meter pen socket (127) is arranged on the front face of the testing device (110) on one side of the power supply negative electrode socket (122), and the meter pen socket (127) is connected with the meter pen body (128).