CN213181774U

CN213181774U - Portable high-pressure megger

Info

Publication number: CN213181774U
Application number: CN202021469326.6U
Authority: CN
Inventors: 王述义; 王亚丽; 王述洋
Original assignee: Wuhan Hanlian Electric Power Technology Co ltd
Current assignee: Wuhan Hanlian Electric Power Technology Co ltd
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2021-05-11
Anticipated expiration: 2030-07-22

Abstract

The utility model relates to a portable high pressure megger, it includes megger body and three measuring wires, still includes three receipts line box, three the measuring wire is accomodate respectively in three receive the line box in, the both ends of measuring wire are all worn out receive the line box, be provided with in receiving the line box and be used for the roll-up measure the take-up of line. This application has and makes many measuring wires be difficult for intertwine when depositing for the arrangement work of measuring wire is removed from when using from to the high pressure megger, thereby improves the effect of the convenience that the high pressure megger used.

Description

Portable high-pressure megger

Technical Field

The application relates to the field of high-pressure megger, in particular to a portable high-pressure megger.

Background

The high-voltage megger is a measuring instrument commonly used by electricians and is mainly used for measuring the insulation resistance of large transformers, mutual inductors, generators, high-voltage motors, power capacitors, power cables, lightning arresters and the like so as to ensure that the equipment, lines and the like are kept in a normal state and avoid accidents such as equipment damage, electric shock and the like.

The China patent with the patent publication number of CN208459481U is retrieved at present, a high-precision insulating megger is disclosed, including the megger body, the megger body includes megger shell and horizontal positioning frame, the top of megger shell is provided with anodal interface, one side of anodal interface is provided with the negative pole interface, the other end of anodal interface is provided with ground connection interface, one side of anodal interface is provided with anodal joint clamp, one side of negative pole interface is provided with the negative pole joint clamp, one side of ground connection interface is provided with the ground connection joint clamp, be provided with the dial plate on the megger shell, the inside of dial plate is provided with the megger pointer, the inside of megger shell is provided with hand generator, hand generator includes hand generator shaft, the electricity generation carousel, electricity generation axis of rotation and rotation shaft support.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: when the high-voltage megger is used, three measuring lines are required to be connected with three connectors of the megger body respectively for measuring, and the three measuring lines are pulled out from the megger body for storage after measurement is completed.

SUMMERY OF THE UTILITY MODEL

In order to make difficult intertwine when many measuring lines are accomodate, improve the convenience that high pressure megger used, this application provides a portable high pressure megger.

The application provides a portable high pressure megger adopts following technical scheme:

the utility model provides a portable high pressure megger, includes megger body and three measuring wires, still includes three receipts line box, three the measuring wire is accomodate respectively in three receive the line box in, the both ends of measuring wire are all worn out receive the line box, be provided with in receiving the line box and be used for the roll-up the take-up of measuring wire.

By adopting the technical scheme, when the high-voltage megger is not used, the measuring wires are wound in the wire winding boxes through the wire winding device, and the three wire winding boxes are respectively used for accommodating different measuring wires, so that the measuring wires are convenient to accommodate, and the mutual winding of the measuring wires is not easy to occur when the measuring wires are accommodated; when the high-voltage megger is used, according to the measuring position on a line or equipment, pulling the testing head of the measuring line to be close to the measuring position, paying off the line by the take-up device, releasing the measuring line from the take-up box until the testing head reaches the measuring position, connecting the connector of the measuring line with the connecting end on the megger body, and connecting the testing head of the measuring line with the line or equipment to be measured to measure after debugging is finished; after the measurement is finished, the measuring wire is wound into the wire winding box through the wire winding device. Through the setting of three receipts line box and receipts line device in the receipts line box, with three measuring wires respectively the roll-up in the receipts line box of difference to make three measuring wires difficult intertwine when depositing, make the arrangement work that the measuring wire was removed from to the high pressure megger when using, thereby improve the convenience that the high pressure megger used.

Preferably, take-up including rotate set up in receive the pivot in the line box, coaxial fixed cover is equipped with the reel in the pivot, measure the line roll-up in on the reel, measure the one end of line with reel fixed connection, the other end of measuring the line is the expansion end, set up rather than coaxial cavity in the pivot, the cavity communicate in outside the line box is received to the receipts, measure the line with reel fixed connection's one end is worn to locate in the cavity and is worn out receive the line box, still be provided with the drive in the line box the reel pivoted driving piece.

By adopting the technical scheme, the winding drum is used for winding the measuring line, the rotation of the winding drum is realized by the arrangement of the rotating shaft, so that the winding drum can wind and unwind the measuring line, two ends of the measuring line penetrate through the wire winding box, and one end of the measuring line is fixed with the winding drum, so that the measuring line can be wound on the winding drum when the winding drum rotates, the cavity in the rotating shaft is arranged, one end, fixed with the winding drum, of the measuring line penetrates through the cavity and penetrates out of the wire winding box, so that when the winding drum rotates, one end, fixed with the winding drum, of the measuring line rotates along with the rotation of the rotating shaft, and the other end, fixed with the winding drum, of the measuring line can penetrate out of the; when the wire is wound, the winding drum is driven to rotate by the driving piece to realize the winding function of the winding device.

Preferably, the driving piece is a coil spring, the coil spring is coaxial with the winding drum, and two ends of the coil spring are respectively fixed on the inner wall of the take-up box and the winding drum.

Through adopting above-mentioned technical scheme, take-up when the unwrapping wire, only need with the measuring wire not with the fixed one end of reel to take-up box pull outward can, the wind spring is in deformation state this moment to after the measurement is accomplished, resume the pulling force that deforms through the wind spring and make the reel gyration, with the measuring wire roll-up on the reel, realize the automatic roll-up of measuring wire, improve the efficiency of measuring wire rolling work.

Preferably, the take-up box is further provided with a locking piece for locking the winding drum.

Through adopting above-mentioned technical scheme, through the setting of locking piece, when the measuring line is in measuring condition, the locking piece makes the difficult rotation of reel locking, and then makes things convenient for the normal measurement work of measuring line.

Preferably, the locking piece comprises a locking bolt which is threaded on the take-up box, the axis of the locking bolt is perpendicular to and intersected with the axis of the rotating shaft, and a locking hole which is in splicing fit with the locking bolt is formed in the rotating shaft.

Through adopting above-mentioned technical scheme, when the measuring wire was pulled out from receiving the line box and is carried out measurement, twist and move locking bolt to pegging graft in the epaxial locking hole of commentaries on classics to make the pivot be difficult for rotating, the measuring wire keeps at the length of making things convenient for the measurement, thereby conveniently carries out measurement, simple structure easy to carry out and convenient operation.

Preferably, the wire winding box is provided with a wire hole for the movable end of the measuring wire to penetrate out, and a rubber ring is arranged at the wire hole.

Through adopting above-mentioned technical scheme, when rolling or unwrapping wire to the measuring wire, the rubber circle contact of measuring wire and line hole department to reduce the wearing and tearing to the measuring wire, prolong the life of measuring wire.

Preferably, the megnetite is arranged on both the megnetite body and the wire-rewinding box.

Through adopting above-mentioned technical scheme, through the setting of magnet, when depositing the measuring wire, will receive the line box and adsorb on the megger body to avoid receiving the loss of line box and measuring wire as far as possible.

Preferably, one side of megger body is provided with the mounting panel, three mounting groove has been seted up on the mounting panel, the last magnet of megger body set up respectively in the mounting groove.

Through adopting above-mentioned technical scheme, the setting of mounting panel and mounting groove is conveniently with receiving the line box and adsorbing and together depositing on the megger body, and it is inseparabler to make simultaneously receive the line box and megger body coupling, further reduces the possibility that receives the line box and loses.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the three measuring wires are respectively wound into different wire winding boxes through the three wire winding boxes and the wire winding devices in the wire winding boxes, so that the three measuring wires are not easy to be wound mutually when being stored, the arrangement work of the measuring wires is avoided when the high-voltage megger is used, and the use convenience of the high-voltage megger is improved;

2. through the setting of pivot and wind spring, take-up when the unwrapping wire, only need with the measuring wire not with the fixed one end of reel to take-up box pull outward can to after the measurement is accomplished, resume the pulling force of deformation through the wind spring and make the reel gyration, with the measuring wire roll-up on the reel, realize the automatic roll-up of measuring wire, improve the efficiency of measuring wire rolling work.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a schematic structural diagram of a wristwatch body in the present embodiment;

fig. 3 is a partial cross-sectional view of the take-up reel box of the present embodiment.

Reference numerals: 1. a megger body; 11. mounting a plate; 111. mounting grooves; 2. measuring a line; 21. a connector; 22. a test head; 3. a wire rewinding box; 4. a take-up device; 41. a reel; 42. a rotating shaft; 421. a cavity; 5. a coil spring; 6. a locking bolt; 7. and (4) a magnet.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

Referring to fig. 1 and 2, the embodiment of the application discloses a portable high-pressure megger, including megger body 1, three measuring wires 2 and three receipts line box 3 that is used for accomodating three measuring wires 2 respectively, receive line box 3 and be the cuboid form and its length is less than megger body 1's height, be provided with the take-up 4 that is used for roll-up measuring wire 2 in receiving line box 3, the one end of measuring wire 2 is the connector 21 of being connected with megger body 1, the other end is the test head 22 of being connected with the equipment that awaits measuring, receive line box 3 is all worn out at measuring wire 2's both ends. Through the setting of three receipts line box 3 and receipts line device 4 in the receipts line box 3, in receiving line box 3 with three measuring wires 2 are rolled up respectively into the difference to make three measuring wires 2 difficult intertwine when depositing, make the arrangement work that measuring wire 2 was removed from when using to the high pressure megger, thereby improve the convenience that the high pressure megger used.

Referring to fig. 1 and 3, the wire rewinding device 4 includes a rotating shaft 42 rotatably disposed in the wire rewinding box 3, an axial direction of the rotating shaft 42 is identical to a length direction of the wire rewinding box 3, two ends of the rotating shaft 42 are respectively rotatably connected to inner walls of two opposite sides of the wire rewinding box 3, a winding drum 41 is coaxially fixedly sleeved on the rotating shaft 42, a length of the winding drum 41 is smaller than a length of the rotating shaft 42, and the measuring wire 2 is wound on the winding drum 41. One end of the rotating shaft 42 is provided with a cavity 421 coaxial with the rotating shaft, the cavity 421 penetrates through the side wall of the take-up box 3 and is communicated with the outside of the take-up box 3, and the outer wall of the rotating shaft 42 is also provided with a through hole communicated with the cavity 421; one end of the measuring line 2 close to the connector 21 is fixedly connected with the winding drum 41, and one end of the connector 21 of the measuring line 2 penetrates through the through hole and the cavity 421 and then penetrates out of the take-up box 3; the test head 22 one end of measuring line 2 is the expansion end, sets up the line hole that supplies the test head 22 of measuring line 2 to wear out on the lateral wall that cavity 421 was kept away from to receipts line box 3, and the inner wall in line hole is fixed and is provided with the rubber circle. Through the arrangement of the winding drum 41 and the rotating shaft 42, and the two ends of the measuring wire 2 penetrate out of the wire collecting box 3, the measuring wire 2 is conveniently wound into the wire collecting box 3, the influence on the normal use of the measuring wire 2 during the measuring work is not easy to cause, the operation is simple, and the use is convenient; the arrangement of the cavity 421 in the rotating shaft 42 enables the connector 21 of the measuring line 2 to penetrate out of the take-up box 3 and not to easily obstruct the rotation of the winding drum 41, thereby ensuring the take-up and pay-off functions of the winding drum 41; the rubber ring reduces the abrasion of the measuring wire 2 during the wire winding and unwinding, and prolongs the service life of the measuring wire 2.

Referring to fig. 1 and 3, a driving element for driving the winding drum 41 to rotate is further disposed in the take-up box 3, the driving element includes a coil spring 5 disposed in the take-up box 3, the coil spring 5 is coaxially sleeved on the rotating shaft 42 and is located at one end of the rotating shaft 42 close to the wire hole, two ends of the coil spring 5 are respectively fixed on the inner wall of the take-up box 3 and the winding drum 41, and when the coil spring 5 is in a natural state, the measuring wire 2 is completely wound on the winding drum 41. Through the setting of wind spring 5, when drawing measuring wire 2 outside the take-up box 3, wind spring 5 is in deformation state to after measurement work is accomplished, the elasticity through wind spring 5 is automatic with the roll-up of measuring wire 2 on reel 41, thereby realizes the automatic roll-up of measuring wire 2, improves the efficiency of the roll-up work of measuring wire 2.

Referring to fig. 1 and 3, the wire rewinding box 3 is further provided with a locking piece for locking the winding drum 41, the locking piece includes a locking bolt 6 threaded through the side wall of the wire rewinding box 3, the axis of the locking bolt 6 is perpendicular to and intersected with the axis of the rotating shaft 42, one end of the rotating shaft 42 close to the cavity 421 is provided with a locking hole in insertion fit with the locking bolt 6, and the axis of the locking hole is perpendicular to and intersected with the axis of the rotating shaft 42. Through the setting of locking bolt 6 and locking hole, when measuring line 2 is in measuring condition, locking bolt 6 rotates to pegging graft in the locking hole, makes reel 41 lock difficult the rotation, and then makes things convenient for the normal measurement work of measuring line 2.

Referring to fig. 1 and 2, a mounting plate 11 is fixedly arranged on one side of the megger body 1, the mounting plate 11 is parallel to one side of the megger body 1, three mounting grooves 111 are formed in the mounting plate 11, a magnet 7 is fixedly arranged at the bottoms of the three mounting grooves 111, and the magnet 7 is also fixedly arranged on the outer side wall of the take-up box 3. Through the setting of magnet 7, when depositing measuring line 2, will receive line box 3 and adsorb on mounting panel 11, make and receive line box 3 and megger body 1 link together to avoid receiving losing of line box 3 and measuring line 2 as far as possible.

The implementation principle of the embodiment is as follows: when the high-voltage megger is not used, the measuring wires 2 are wound on the winding drum 41 and stored in the wire winding boxes 3, and the three wire winding boxes 3 are respectively used for accommodating different measuring wires 2, so that the accommodating of different measuring wires 2 is facilitated, and the mutual winding of a plurality of measuring wires 2 is not easy to occur when the measuring wires 2 are accommodated; when the high-pressure megger is used, according to the measuring position on a line or equipment, the test head 22 of the measuring wire 2 is pulled to approach the measuring position, at the moment, the rotating shaft 42 rotates to pay off, the measuring wire 2 is released from the wire-rewinding box 3 to the test head 22, and reaches the measuring position, and at the moment, the coil spring 5 is in a deformation state; screwing the locking bolt 6 to insert the locking bolt into the locking hole, connecting the connector 21 of the measuring line 2 with the connecting end on the megger body 1, and connecting the test head 22 of the measuring line 2 with a line or equipment to be measured to measure after the megger body 1 is debugged; after the measurement is finished, the locking bolt 6 is screwed to be separated from the locking hole, and at the moment, the coil spring 5 recovers deformation to pull the winding drum 41 to rotate, so that the measuring wire 2 is wound into the wire collecting box 3; after the winding of the measuring wire 2 is completed, the three winding boxes 3 are respectively adsorbed in the three mounting grooves 111, so that the three winding boxes 3 are connected with the megger body 1 for storage.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a portable high pressure megger, includes megger body (1) and three measuring lines (2), its characterized in that: the wire winding device is characterized by further comprising three wire winding boxes (3), wherein the three measuring wires (2) are respectively stored in the three wire winding boxes (3), the two ends of the measuring wires (2) are all worn out of the wire winding boxes (3), and wire winding devices (4) used for winding the measuring wires (2) are arranged in the wire winding boxes (3).

2. The portable high pressure megger of claim 1, wherein: take-up (4) including rotate set up in receive pivot (42) in box (3), coaxial fixed cover is equipped with reel (41) in pivot (42), measure line (2) roll-up in on reel (41), the one end of measuring line (2) with reel (41) fixed connection, the other end of measuring line (2) is the expansion end, set up rather than coaxial cavity (421) in pivot (42), cavity (421) communicate in outside receiving box (3), measure line (2) with reel (41) fixed connection's one end is worn to locate in cavity (421) and wear out receive box (3), still be provided with the drive in receiving box (3) reel (41) pivoted driving piece.

3. A portable high pressure megger as claimed in claim 2, wherein: the driving piece is a coil spring (5), the coil spring (5) is coaxial with the winding drum (41), and two ends of the coil spring (5) are respectively fixed on the inner wall of the take-up box (3) and the winding drum (41).

4. A portable high pressure megger as claimed in claim 3, wherein: the take-up box (3) is also provided with a locking piece which locks the winding drum (41).

5. The portable high pressure megger of claim 4, wherein: the locking piece comprises a locking bolt (6) with threads penetrating through the take-up box (3), the axis of the locking bolt (6) is perpendicular to and intersected with the axis of the rotating shaft (42), and a locking hole matched with the locking bolt (6) in an inserting mode is formed in the rotating shaft (42).

6. The portable high pressure megger of claim 5, wherein: the wire winding box (3) is provided with a wire hole for the movable end of the measuring wire (2) to penetrate out, and a rubber ring is arranged at the wire hole.

7. The portable high pressure megger of claim 6, wherein: the megger body (1) and the wire collecting box (3) are both provided with a magnet (7).

8. The portable high pressure megger of claim 7, wherein: one side of megger body (1) is provided with mounting panel (11), three mounting groove (111) have been seted up on mounting panel (11), magnet (7) on megger body (1) set up respectively in mounting groove (111).