CN218584970U

CN218584970U - Electric leakage detection device of railway passenger car

Info

Publication number: CN218584970U
Application number: CN202221963182.9U
Authority: CN
Inventors: 周硕成; 李玉秀
Original assignee: Nanjing Pushengxi Electromechanical Equipment Co ltd
Current assignee: Nanjing Pushengxi Electromechanical Equipment Co ltd
Priority date: 2022-07-27
Filing date: 2022-07-27
Publication date: 2023-03-07
Anticipated expiration: 2032-07-27

Abstract

The utility model relates to an electrical leakage detector technical field to a railway carriage's leakage detection device is disclosed, including the leakage detection device body, be equipped with the end through the electric wire on the leakage detection device body, be provided with electrically conductive head on the end, the solid fixed ring of fixedly connected with on the end, still be provided with protective assembly on the end. The utility model provides a leakage detector is through setting up the protective cover, avoids leading the condition that the electrical head exposes in external environment for a long time to appear, reduces being corroded speed of electrical head, plays the guard action to electrical head, prolongs the life of electrical head, secondly, the processing of polishing is carried out to electrical head to two usable elasticity preforming of staff and two sanding blocks, polishes the surface film of electrical head surface adhesion, guarantees the electrically conductive sensitivity of electrical head.

Description

Electric leakage detection device of railway passenger car

Technical Field

The utility model relates to an electric leakage detector technical field especially relates to a railway passenger train's electric leakage detection device.

Background

The leakage detector is an apparatus for detecting leakage phenomenon, which can detect the action current of the current type electric shock protector, detect the unbalanced leakage current smaller than the action of the current type electric shock protector, and distinguish the leakage voltage harmful to human body and the induction voltage harmless to human body.

Railway carriage is when maintaining, need use the earth leakage detector to carry out earth leakage detection to electrical equipment, detection plug on the earth leakage detector is when the long-term use, after the electric current flows through conductor material, conductor material can generate heat, the surface of material can take place the oxidation, if the moisture is great in the environment, then the condition can be more outstanding, can reduce the current-carrying sectional area of conductor after the oxidation, and the sectional area reduces and means that the conductor generates heat more seriously, this aggravates the oxidation process again, conductor material is called the surface film in the electric contact department, it includes four membranes, be the dust membrane respectively, the adsorption film, inorganic membrane and organic membrane, these several kinds of surface films all can eliminate through the mode of polishing, but do not have the function of polishing to detecting plug on the current earth leakage detector, still need use and polish, the operation is inconvenient, the practicality of earth leakage detector has been restricted.

Therefore, it is necessary to design a leakage detecting device for a railway passenger car to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a leakage detection device of a railway passenger car.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a railway passenger train's electric leakage detection device, includes the electric leakage detection device body, be equipped with the end through the electric wire on the electric leakage detection device body, be provided with electrically conductive head on the end, the solid fixed ring of fixedly connected with on the end, still be provided with protective assembly on the end.

As a preferred technical solution of the present invention, the protection assembly includes a sleeve, a protection cover, two elastic pressing sheets and two polishing blocks, the sleeve is sleeved on the fixing ring, the protection cover is fixedly connected to the top end of the sleeve, the protection cover is connected to the end through a connecting strip, the two elastic pressing sheets are both fixedly connected to the inner surface of the protection cover, the two polishing blocks are respectively and fixedly connected to the two elastic pressing sheets, and the two polishing blocks are both attached to the outer edge of the conductive head;

the sleeve and the fixing ring are connected through a clamping component.

As a preferred technical scheme of the utility model, the joint subassembly includes two holding tanks, two fixture blocks, draw-in groove, two connecting rods and two springs, two the telescopic inner face is all seted up to the holding tank two the fixture block is the sliding assembly respectively in two holding tanks, the draw-in groove is seted up on solid fixed ring, two the equal sliding assembly of fixture block is in the draw-in groove, two the one end of connecting rod respectively with two fixture block fixed connection, two the other end of connecting rod all extends to telescopic outside, two the one end of spring all is connected with the sleeve, and the other end is located the outside one end of sleeve with two connecting rods respectively and is connected.

As a preferred technical scheme of the utility model, laminate each other between the side of fixture block and the inner face of draw-in groove.

As a preferred technical scheme of the utility model, the elasticity preforming adopts the material that can take place elastic deformation to make.

As a preferred technical scheme of the utility model, two the connecting rod is located the outside one end of sleeve and all is equipped with the pull and turns round.

The utility model discloses following beneficial effect has:

1. by arranging the protective cover, the condition that the conductive head is exposed to the external environment for a long time is avoided, the corrosion rate of the conductive head is reduced, the conductive head is protected, and the service life of the conductive head is prolonged;

2. through setting up two elasticity preforming and two sanding blocks, the processing of polishing is carried out conductive head to two usable elasticity preforming of staff and two sanding blocks, grinds the surperficial adnexed surface film of conductive head, guarantees the conductivity of conductive head.

Drawings

Fig. 1 is a schematic structural view of a leakage detecting device for a railway passenger car according to the present invention;

fig. 2 is an enlarged view of a partial structure of a leakage detecting device of a railway passenger car according to the present invention;

fig. 3 is an enlarged view of a structure at a position a of the leakage detecting device of the railway passenger car according to the present invention;

fig. 4 is the utility model provides a structural schematic diagram of elasticity preforming among passenger train's electric leakage detection device.

In the figure: 10 electric leakage detection device body, 20 end, 30 conductive head, 40 fixed ring, 50 protection components, 501 sleeve, 502 protective cover, 503 elastic pressing sheet, 504 sanding block, 60 joint components, 601 holding groove, 602 fixture block, 603 clamping groove, 604 connecting rod, 605 spring.

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.

Referring to fig. 1-4, a leakage detection device for a railway passenger car comprises a leakage detection device body 10, wherein an end 20 is assembled on the leakage detection device body 10 through an electric wire, a conductive head 30 is arranged on the end 20, a fixing ring 40 is fixedly connected to the end 20, and a protection assembly 50 is further arranged on the end 20.

Referring to fig. 1-4, the protection assembly 50 includes a sleeve 501, a protective cover 502, two elastic pressing sheets 503 and two polishing blocks 504, the sleeve 501 is sleeved on the fixing ring 40, the protective cover 502 is fixedly connected to the top end of the sleeve 501, the protective cover 502 is connected to the end 20 through a connecting strip, by setting the connecting strip, the protective cover 502 can be prevented from being lost, the length of the connecting strip is long enough for a worker to rotate the protective cover 502, the two elastic pressing sheets 503 are both fixedly connected to the inner surface of the protective cover 502, the two polishing blocks 504 are respectively and fixedly connected to the two elastic pressing sheets 503, and the two polishing blocks 504 are both attached to the outer edge of the conductive head 30;

the sleeve 501 is connected with the fixing ring 40 through the clamping assembly 60.

Referring to fig. 1-4, the clamping assembly 60 includes two receiving grooves 601, two locking blocks 602, a locking groove 603, two connecting rods 604 and two springs 605, the two receiving grooves 601 are all formed in the inner surface of the sleeve 501, the two locking blocks 602 are respectively assembled in the two receiving grooves 601 in a sliding manner, the locking groove 603 is formed in the fixing ring 40, the two locking blocks 602 are respectively assembled in the locking groove 603 in a sliding manner, one ends of the two connecting rods 604 are respectively fixedly connected with the two locking blocks 602, the other ends of the two connecting rods 604 extend to the outside of the sleeve 501, one ends of the two springs 605 are respectively connected with the sleeve 501, the other ends of the two connecting rods 604 are respectively connected with one end of the sleeve 501 outside, and the protective cover 502 is convenient to rotate by arranging the clamping assembly 60.

Referring to fig. 1 to 4, the side surfaces of the latch 602 and the inner surface of the latch 603 are attached to each other, so that the stability of the sleeve 501 on the fixing ring 40 can be ensured.

Referring to fig. 1 to 4, the elastic pressing sheet 503 is made of a material capable of generating elastic deformation, specifically, the elastic pressing sheet 503 may be a strip-shaped thin iron sheet structure, so that the elastic pressing sheet 503 compresses the polishing block 504, and the polishing block 504 is tightly attached to the conductive head 30.

Referring to fig. 1-4, the ends of the two links 604 outside the sleeve 501 are both equipped with a pull button, which facilitates the control of the position of the latch 602 by the operator.

The utility model discloses a concrete theory of operation as follows:

the utility model provides an electric leakage detection device body 10 is when in-service use, the cover is equipped with protective cover 502 on the conducting head 30, when electric leakage detection device body 10 does not use, the staff can pull two and draw and turn round, two draw and turn round can drive two fixture blocks 602 through two connecting rods 604 and take place to remove when removing, until two fixture blocks 602 retraction two holding tanks 601, establish sleeve 501 cover on solid fixed ring 40 after that, and loosen two and draw and turn round, under the spring action of two springs 605, two fixture blocks 602 can be close to each other, and all block into in the draw-in groove 603, can establish sleeve 501 cover on solid fixed ring 40, avoid conducting head 30 to expose the condition appearance at external environment for a long time, reduce the corroded rate of conducting head 30, play the guard action to conducting head 30.

Two sanding blocks 504 are assembled in the protective cover 502, and two sanding blocks 504 all assemble in the protective cover 502 through elasticity preforming 503, under the spring action of two elasticity preforming 503, two sanding blocks 504 homoenergetic are closely laminated with electrically conductive head 30, when needing to clear up electrically conductive head 30, the staff can directly rotate protective cover 502, protective cover 502 can drive two sanding blocks 504 when rotating and take place to rotate, make two sanding blocks 504 polish the processing to electrically conductive head 30, polish the surperficial adnexed surface film of electrically conductive head 30, guarantee the electrically conductive sensitivity of electrically conductive head 30.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a railway carriage's electric leakage detection device, includes electric leakage detection device body (10), be equipped with end (20) through the electric wire on electric leakage detection device body (10), be provided with conductive head (30) on end (20), its characterized in that, the solid fixed ring of fixedly connected with (40) on end (20), still be provided with protection component (50) on end (20).

2. The leakage detecting device of the railway carriage as claimed in claim 1, wherein the protecting assembly (50) comprises a sleeve (501), a protecting cover (502), two elastic pressing sheets (503) and two polishing blocks (504), the sleeve (501) is sleeved on the fixing ring (40), the protecting cover (502) is fixedly connected to the top end of the sleeve (501), the protecting cover (502) is connected to the end (20) through a connecting strip, the two elastic pressing sheets (503) are both fixedly connected to the inner surface of the protecting cover (502), the two polishing blocks (504) are respectively and fixedly connected to the two elastic pressing sheets (503), and the two polishing blocks (504) are both attached to the outer edge of the conductive head (30);

the sleeve (501) is connected with the fixing ring (40) through a clamping assembly (60).

3. The electric leakage detection device of the railway passenger car according to claim 2, wherein the clamping assembly (60) comprises two accommodating grooves (601), two clamping blocks (602), a clamping groove (603), two connecting rods (604) and two springs (605), the two accommodating grooves (601) are formed in the inner surface of the sleeve (501), the two clamping blocks (602) are respectively and slidably assembled in the two accommodating grooves (601), the clamping groove (603) is formed in the fixing ring (40), the two clamping blocks (602) are respectively and slidably assembled in the clamping groove (603), one ends of the two connecting rods (604) are respectively and fixedly connected with the two clamping blocks (602), the other ends of the two connecting rods (604) extend to the outside of the sleeve (501), one ends of the two springs (605) are respectively connected with the sleeve (501), and the other ends of the two connecting rods (604) are respectively connected with one ends of the two connecting rods (501) located outside the sleeve (501).

4. A leakage detecting device for a railway passenger car according to claim 3, wherein the side surface of the engaging block (602) and the inner surface of the engaging groove (603) are attached to each other.

5. A leakage detecting device for a railway passenger car according to claim 2, wherein the elastic pressing piece (503) is made of a material capable of being elastically deformed.

6. A leakage detecting device for a railway passenger car according to claim 3, wherein both ends of the two connecting rods (604) located outside the sleeve (501) are equipped with a tension knob.