CN212364367U

CN212364367U - Transformer withstand voltage testing device

Info

Publication number: CN212364367U
Application number: CN202020892527.0U
Authority: CN
Inventors: 佟辉; 程慧; 佟铅鑫
Original assignee: Jiangsu No2 Transformer Co Ltd
Current assignee: Jiangsu No2 Transformer Co Ltd
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2021-01-15
Anticipated expiration: 2030-05-25

Abstract

The utility model discloses a transformer high-voltage insulation test device, including shell, dead lever and wheel, the outer wall both sides of shell all are provided with the fixed plate, and the outer wall surface mounting of fixed plate has first stopper, the outer wall and the first spacing cooperation installation of hole of first stopper, and first spacing hole all set up at the both sides outer wall surface of shell, the spout has all been seted up to the both sides outer wall performance of shell, and the externally mounted of spout has the sliding block, and the insulation board is installed to the inboard of sliding block simultaneously, the dead lever is installed in the top both sides of shell, and the shell is connected with the dead lever through fixing bolt, the rotary rod is installed to the top of dead lever, and the rotary rod is connected with the dead lever through rotating bolt. In this withstand voltage testing arrangement of transformer, can be when the operation, rise the insulation board and completely cut off operation connecting wire department, avoid voltage too big, there is the hidden danger in the safety problem that leads to the operator to effectual device's result of use has been promoted.

Description

Transformer withstand voltage testing device

Technical Field

The utility model relates to a transformer correlation technique field specifically is a transformer high-voltage insulation test device.

Background

The transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, main components are a primary coil, a secondary coil and an iron core magnetic core, and the transformer has the main functions of voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization, magnetic saturation, and the like, so that a withstand voltage testing device is required in the process of testing the transformer, and workers can conveniently confirm the pressure coefficient of the transformer during working.

However, the existing transformer withstand voltage testing device does not have an insulating plate, and the safety of an operator cannot be ensured more stably in the daily use process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a transformer high-voltage insulation testing device to the transformer high-voltage insulation testing device who provides at present in solving above-mentioned background does not possess the setting of insulation board, in daily use, can't guarantee the problem of operator's the security circumstances more stable.

In order to achieve the above object, the utility model provides a following technical scheme: a transformer withstand voltage testing device comprises a shell, a fixed rod and wheels, wherein fixed plates are arranged on two sides of the outer wall of the shell, first limit blocks are arranged on the outer wall surfaces of the fixed plates, the outer wall of each first limit block is matched with a first limit hole, the first limit holes are formed in the outer wall surfaces of the two sides of the shell, sliding grooves are formed in the outer wall surfaces of the two sides of the shell, sliding blocks are arranged outside the sliding grooves, insulating plates are arranged on the inner sides of the sliding blocks, the fixed rods are arranged on two sides above the shell, the shell is connected with the fixed rods through fixed bolts, the rotary rods are arranged above the fixed rods and are connected with the fixed rods through rotary bolts, insulating clamping plates are arranged above the rotary rods, the wheels are arranged on the outer walls on two sides below the shell, and lifting rods are arranged on, the lifting sleeve is installed above the lifting rod and connected with the shell, the second limiting block is installed on the outer wall in front of the lifting sleeve, the outer wall of the second limiting block is installed in cooperation with the second limiting hole, and meanwhile the second limiting hole is formed in the surface of the outer wall in front of the lifting rod.

Preferably, the first limiting block is connected with the first limiting hole in a clamping manner, and the first limiting hole is symmetrically arranged on the central axis of the shell.

Preferably, the insulation board passes through the sliding block and constitutes sliding structure with the spout, and the insulation board is square structure.

Preferably, the fixed rod is in threaded connection with the fixed bolt, and the fixed rod and the rotary rod are vertically distributed.

Preferably, the rotating rod and the insulating clamping plate form a rotating structure through a rotating bolt, and the insulating clamping plate is of a concave structure.

Preferably, the lifting sleeve and the shell form a lifting structure through the lifting rod, and the size of the lifting sleeve is larger than that of the lifting rod.

Preferably, the second limiting block is connected with the second limiting hole in a clamping manner, and the second limiting hole is symmetrically arranged on the central axis of the lifting rod.

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

1. according to the transformer withstand voltage testing device, through the arrangement of the insulating plate, in the daily use process, the insulating plate can be lifted to isolate the operation connecting line during operation, so that potential safety hazards of operators caused by overlarge voltage are avoided, and the use effect of the device is effectively improved;

2. according to the transformer withstand voltage testing device, through the arrangement of the insulating clamping plate, when the voltage line is contacted in the daily use process, the insulating clamping plate can be used for replacing two hands to connect the voltage line joint with the device in a contact manner, so that the potential danger caused by overlarge voltage after the device is used is avoided, an operator is electrified, and the use effect of the device is effectively improved;

3. this withstand voltage testing arrangement of transformer, through the setting of lifter, in daily use, when the device removed required position during operation, supported the device with the downward pulling of lifter, carries out the fixed action to the device, avoids the wheel to drive the device and removes, leads to unable work to the effectual result of use that promotes the device.

Drawings

FIG. 1 is a front view of the cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the front view of the present invention;

FIG. 3 is a schematic diagram of the structure of the right side view of the present invention;

FIG. 4 is a schematic view of the structure of the insulating plate and the chute of the present invention;

fig. 5 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a housing; 2. a fixing plate; 3. a first stopper; 4. a first limit hole; 5. a chute; 6. a slider; 7. an insulating plate; 8. fixing the rod; 9. fixing the bolt; 10. rotating the rod; 11. rotating the bolt; 12. an insulating card board; 13. a wheel; 14. a lifting rod; 15. a lifting sleeve; 16. a second limiting block; 17. a second limiting hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a transformer withstand voltage testing device comprises a shell 1, a fixed rod 8 and wheels 13, wherein fixed plates 2 are arranged on two sides of the outer wall of the shell 1, first limit blocks 3 are arranged on the outer wall surfaces of the fixed plates 2, the outer wall of each first limit block 3 is matched with first limit holes 4, the first limit holes 4 are formed in the outer wall surfaces of two sides of the shell 1, sliding grooves 5 are formed in the outer wall surfaces of two sides of the shell 1, sliding blocks 6 are arranged outside the sliding grooves 5, insulating plates 7 are arranged on the inner sides of the sliding blocks 6, the fixed rods 8 are arranged on two sides above the shell 1, the shell 1 is connected with the fixed rods 8 through fixing bolts 9, rotary rods 10 are arranged above the fixed rods 8, the rotary rods 10 are connected with the fixed rods 8 through rotary bolts 11, insulating clamping plates 12 are arranged above the rotary rods 10, and the wheels 13 are arranged on the outer walls, and the inside of wheel 13 installs lifter 14, and lifter 15 is installed to the top of lifter 14, and lifter 15 is connected with shell 1, and second stopper 16 is installed to the place ahead outer wall of lifter 15, and the outer wall of second stopper 16 and the cooperation of second spacing hole 17 are installed, and second spacing hole 17 is seted up on the place ahead outer wall surface of lifter 14 simultaneously.

First stopper 3 is connected with first spacing 4 blocks in hole, and first spacing 4 sets up with the axis symmetry of shell 1, through the setting of first stopper 3, in daily use, can run through first stopper 3 and insert first spacing 4 insides and fix insulation board 7, avoid in use, insulation board 7 insecure leads to droing to the effectual result of using that promotes the device.

Insulation board 7 passes through sliding

block

6 and 5 constitution sliding construction of spout, and insulation board 7 is square structure, through insulation board 7's setting, in daily use, can be when the operation, rises insulation board 7 and completely cuts off operation connecting wire department, avoids voltage too big, and there is the hidden danger in the safety problem that leads to the operator to the effectual result of use that promotes the device.

Dead lever 8 and fixing bolt 9 threaded connection, and dead lever 8 and rotary rod 10 are the vertical distribution, through fixing bolt 9's setting, in daily use, can dismantle fixing bolt 9 and move insulating cardboard 12 to another device and carry out work to the effectual result of use that has promoted the device.

Rotary rod 10 constitutes revolution mechanic through rotating bolt 11 and insulating cardboard 12, and insulating cardboard 12 is "concave" font structure, through insulating cardboard 12's setting, in daily use, when contact voltage line, can replace both hands with insulating cardboard 12 and connect voltage line joint with the device contact, avoid the device to use the back voltage that finishes to greatly to have hidden danger, lead to the operator by the electricity to effectual result of use that has promoted the device.

Lifting sleeve 15 passes through lifter 14 and shell 1 constitution elevation structure, and lifting sleeve 15's size is greater than lifter 14's size, and through lifter 14's setting, in daily use, when the device moved required position during operation, with lifter 14 pulling down prop up the device, carry out the fixed action to the device, avoid wheel 13 to drive the device and remove, lead to unable work to the effectual result of use that promotes the device.

The second limiting block 16 is connected with the second limiting hole 17 in a clamping mode, the second limiting hole 17 is symmetrically formed in the middle axis of the lifting rod 14, the lifting rod 14 can be fixed through the second limiting block 16 in the daily use process, the lifting rod 14 is prevented from being pressed back to the inside of the lifting sleeve 15 by the device and losing the fixing effect of the device when the lifting rod is used, and therefore the using effect of the device is effectively improved.

The working principle is as follows: for the voltage withstand test device of the transformer, firstly, when the device is needed to test the transformer, the device is pushed, the wheel 13 drives the device to move forward to a proper position, then the lifting rod 14 is lowered to a proper position to support the device, the wheel 13 cannot move freely, then the second limit block 16 is inserted into the second limit hole 17 to be fixed, then the other end of a high-voltage test line connected with the transformer is connected with the device, then the insulation board 7 is pulled upwards, the insulation board 7 drives the sliding block 6 to slide on the sliding chute 5 to be lifted to a proper position, the first limit block 3 is inserted into the first limit hole 4 to be fixed to the insulation board 7, the insulation board 7 is prevented from sliding down, the voltage withstand test can be carried out on the transformer, after the work is finished, the insulation board 12 is pulled to two sides, the rotary bolt 11 drives the insulation clamping plate 12 to rotate and move so as to extract a high-voltage wire joint connected to the device, so that the electric shock of an operator caused by direct hand is avoided, and the use process of the whole transformer voltage withstand testing device is completed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a transformer withstand voltage testing arrangement, includes shell (1), dead lever (8) and wheel (13), its characterized in that: the outer wall both sides of shell (1) all are provided with fixed plate (2), and the outer wall surface mounting of fixed plate (2) has first stopper (3), the outer wall and the first spacing hole (4) cooperation installation of first stopper (3), and first spacing hole (4) all set up in the both sides outer wall surface of shell (1), the both sides outer wall performance of shell (1) all has seted up spout (5), and the externally mounted of spout (5) has sliding block (6), and insulation board (7) are installed to the inboard of sliding block (6) simultaneously, dead lever (8) are installed in the top both sides of shell (1), and shell (1) are connected with dead lever (8) through fixing bolt (9), rotary rod (10) are installed to the top of dead lever (8), and rotary rod (10) are connected with dead lever (8) through rotating bolt (11), insulating cardboard (12) are installed to the top of rotary rod (10) simultaneously, wheel (13) are all installed at the below both sides outer wall of shell (1), and the inboard of wheel (13) installs lifter (14), lift cover (15) are installed to the top of lifter (14), and lift cover (15) are connected with shell (1), second stopper (16) are installed to the place ahead outer wall of lift cover (15), and the outer wall of second stopper (16) and the spacing hole of second (17) cooperation installation, and the place ahead outer wall surface at lifter (14) is seted up in spacing hole of second (17) simultaneously.

2. The transformer withstand voltage testing device according to claim 1, characterized in that: the first limiting block (3) is connected with the first limiting hole (4) in a clamping mode, and the first limiting hole (4) is symmetrically arranged on the central axis of the shell (1).

3. The transformer withstand voltage testing device according to claim 1, characterized in that: the insulation board (7) forms a sliding structure with the sliding groove (5) through the sliding block (6), and the insulation board (7) is of a square structure.

4. The transformer withstand voltage testing device according to claim 1, characterized in that: the fixing rod (8) is in threaded connection with the fixing bolt (9), and the fixing rod (8) and the rotating rod (10) are vertically distributed.

5. The transformer withstand voltage testing device according to claim 1, characterized in that: the rotary rod (10) and the insulation clamping plate (12) form a rotary structure through a rotary bolt (11), and the insulation clamping plate (12) is of a concave structure.

6. The transformer withstand voltage testing device according to claim 1, characterized in that: the lifting sleeve (15) and the shell (1) form a lifting structure through the lifting rod (14), and the size of the lifting sleeve (15) is larger than that of the lifting rod (14).

7. The transformer withstand voltage testing device according to claim 1, characterized in that: the second limiting block (16) is connected with the second limiting hole (17) in a clamping mode, and the second limiting hole (17) is symmetrically arranged on the central axis of the lifting rod (14).