CN219393724U

CN219393724U - Contact wire joint device of mortise and tenon structure

Info

Publication number: CN219393724U
Application number: CN202320207972.2U
Authority: CN
Inventors: 邵耀斌; 马仕祥; 刘文波; 魏云; 戴亿; 刘�东; 陈天宇; 程胜
Original assignee: China Railway Construction Electrification Bureau Group Rail Transit Equipment Co Ltd
Current assignee: China Railway Construction Electrification Bureau Group Rail Transit Equipment Co Ltd
Priority date: 2023-02-13
Filing date: 2023-02-13
Publication date: 2023-07-21
Anticipated expiration: 2033-02-13

Abstract

The utility model relates to a contact line joint device with a mortise and tenon structure, which comprises: the bolt is suitable for locking and connecting the first wire clamp and the second wire clamp which are consistent in structure; the wedge is correspondingly arranged in the cavities of the first wire clamp and the second wire clamp; two contact wires respectively passing through wedges in the first wire clamp and the second wire clamp; the first wire clip includes: the groove is formed inwards along the central line of the first wire clamp, the bulge extends outwards along the central line of the first wire clamp, and the bulge and the groove form a step structure; the positioning block is convexly arranged at the top end part of the first wire clamp; the positioning groove is formed in the middle end face of the first wire clamp; the device optimizes the existing connector device, and realizes the fixation of the contact wire by using a mode that the first wire clamp and the second wire clamp which are bilaterally symmetrical are matched with the bolt; the mortise and tenon structure and the bolt pin in the device are used for fixing the first wire clamp and the second wire clamp, so that the number of parts in the device is reduced, and the installation efficiency and the overall safety are improved.

Description

Contact wire joint device of mortise and tenon structure

Technical Field

The utility model relates to the technical field of high-speed electrified railway contact net systems, in particular to a contact line joint device with a mortise and tenon structure.

Background

As shown in fig. 1, the original joint device is connected by fixing 2 clamping plates through 6 bolts; the original device parts often cause complicated field installation; the high-speed railway has extremely high requirements on the safety and stability of parts, so that the fastening torque of the bolt connection in the original device is more, and the requirement on the fixing torque is high; meanwhile, the original device has the risk of falling bolts, and the railway operation can be influenced.

In summary, how to implement the contact line connection and reduce the number of parts used becomes a problem to be solved by researchers in the field.

Disclosure of Invention

The utility model aims to solve the technical problems that: how to realize contact line connection and reduce the number of parts used;

in order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model relates to a contact line joint device with a mortise and tenon structure, which comprises: the bolt is suitable for locking and connecting the first wire clamp and the second wire clamp which are consistent in structure; the wedge is correspondingly arranged in the cavities of the first wire clamp and the second wire clamp; two contact wires respectively passing through the wedges in the first wire clamp and the second wire clamp; the first wire clip includes: the groove is formed inwards along the central line of the first wire clamp, the bulge extends outwards along the central line of the first wire clamp, and the bulge and the groove form a step structure; the positioning block is arranged at the top end part of the first wire clamp in a protruding mode; the positioning groove is formed in the middle end face of the first wire clamp; after the first wire clamp and the second wire clamp are matched, a cavity for inserting the bolt is formed between the first wire clamp and the second wire clamp; the height of the groove is denoted as a, the height of the protrusion is denoted as b, the height of the positioning block is denoted as c, and the depth of the positioning groove is denoted as d; wherein a is greater than or equal to b+c is greater than b, and d is greater than or equal to c.

In the scheme, a wedge is placed in a cavity of a first wire clamp, and a contact wire penetrates through the wedge; the installation mode of the second wire clamp is the same; then placing the groove of the first wire clamp at the bulge of the second wire clamp, abutting the top end part of the first wire clamp against the middle end surface of the second wire clamp, enabling the first wire clamp and the second wire clamp to move axially relatively, inserting the positioning block of the first wire clamp into the positioning groove of the second wire clamp, and enabling the positioning block of the second wire clamp to be positioned in the positioning groove of the first wire clamp, wherein a cavity for inserting a bolt is formed between the positioning block and the positioning block of the second wire clamp; when the bolt is inserted into the cavity, the positioning block is prevented from being separated from the positioning groove, so that the locking connection of the second wire clamp and the first wire clamp is realized, and the two contact wires are connected;

the purpose of a is that when the top end part of the first wire clamp is propped against the middle end surface of the second wire clamp, the groove can still be used for placing the bulge and the positioning block, and a space for the bulge and the positioning block to axially move is provided.

The wedge is a conventional technology and is not specifically described in this scheme.

In order to illustrate the concrete structure of the positioning pin, the utility model adopts the structure that the bottom of the bolt is provided with a bending part which is easy to deform;

when the bending part bends, the positioning pin can not be taken out from the cavity along the axial direction,

In order to illustrate the specific structure of the bending part, the cross section of the bending part is of a semicircular structure, and the radian of the semicircular structure is consistent with that of the bolt;

the semicircular structure is also convenient for bending.

The utility model has the beneficial effects that: the utility model relates to a contact wire joint device with a mortise and tenon structure, which optimizes the existing joint device and realizes the fixation of a contact wire by using a mode that a first wire clamp and a second wire clamp which are bilaterally symmetrical are matched with a bolt; the mortise and tenon structure and the bolt pin in the device are used for fixing the first wire clamp and the second wire clamp, so that the number of parts in the device is reduced, and the installation efficiency and the overall safety are improved.

Drawings

The utility model will be further described with reference to the drawings and examples.

FIG. 1 is a schematic view of a conventional joint device;

FIG. 2 is a schematic diagram of the structure of the present utility model;

FIG. 3 is a schematic diagram of the mating of the first and second wire clamps;

FIG. 4 is an elevation view of a first wire clamp;

FIG. 5 is a three-dimensional view of a first wire clip;

FIG. 6 is a three-dimensional view of a first thread clamp from another perspective;

FIG. 7 is a schematic view of the structure of the latch;

in the figure: 1-first wire clamp, 2-second wire clamp, 3-bolt, 4-wedge, 5-contact line, 6-cavity, 7-recess, 8-arch, 9-locating piece, 10-constant head tank, 11-middle part terminal surface, 12-cavity, 13-kink.

Detailed Description

The utility model will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the utility model and therefore show only the structures which are relevant to the utility model.

As shown in fig. 2-6, the present utility model is a contact wire joint device with mortise and tenon structure, comprising: the bolt 3 is suitable for locking and connecting the first wire clamp 1 and the second wire clamp 2 which are consistent in structure; a wedge 4 correspondingly arranged in the cavities 6 of the first wire clamp 1 and the second wire clamp 2; two contact wires 5 passing through the wedges 4 in the first and second clamps 1, 2, respectively; the first wire clip 1 includes: a groove 7 which is opened inwards along the central line of the first wire clamp 1, a bulge 8 which extends outwards along the central line of the first wire clamp 1 and forms a ladder structure with the groove 7; a positioning block 9, which is convexly arranged at the top end part of the first wire clamp 1; the positioning groove 10 is formed in the middle end face 11 of the first wire clamp; when the first wire clamp 1 and the second wire clamp 2 are matched, a cavity 12 for inserting the bolt 3 is formed between the first wire clamp 1 and the second wire clamp 2; the height of the groove 7 is denoted as a, the height of the protrusion 8 is denoted as b, the height of the positioning block 9 is denoted as c, and the depth of the positioning groove 10 is denoted as d; wherein a is greater than or equal to b+c is greater than b, and d is greater than or equal to c.

As shown in fig. 7, in order to illustrate the specific structure of the positioning pin, the utility model adopts a bending part 13 which is easy to deform at the bottom of the bolt 3;

when the bending part is bent, the positioning pin cannot be taken out of the cavity along the axial direction of the positioning pin, as shown in fig. 7, and in order to illustrate the specific structure of the bending part, the cross section of the bending part 13 is of a semicircular structure, and the radian of the semicircular structure is consistent with that of the bolt;

the semicircular structure is also convenient for bending.

With the above-described preferred embodiments according to the present utility model as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.

Claims

1. Contact line joint device of mortise and tenon structure, its characterized in that includes:

the bolt is suitable for locking and connecting the first wire clamp and the second wire clamp which are consistent in structure;

the wedge is correspondingly arranged in the cavities of the first wire clamp and the second wire clamp;

two contact wires respectively passing through the wedges in the first wire clamp and the second wire clamp;

the first wire clip includes:

a groove which is arranged inwards along the central line of the first line clamp,

a protrusion extending outwardly along the first wire clip centerline, the protrusion forming a stepped configuration with the recess;

the positioning block is arranged at the top end part of the first wire clamp in a protruding mode;

the positioning groove is formed in the middle end face of the first wire clamp;

after the first wire clamp and the second wire clamp are matched, a cavity for inserting the bolt is formed between the first wire clamp and the second wire clamp;

the height of the groove is denoted as a, the height of the protrusion is denoted as b, the height of the positioning block is denoted as c, and the depth of the positioning groove is denoted as d;

wherein a is greater than or equal to b+c is greater than b, and d is greater than or equal to c.

2. The contact wire joint device of mortise and tenon joint structure according to claim 1 wherein the bottom of the bolt is provided with a bending part which is easy to deform.

3. The contact wire joint device with the mortise and tenon joint structure according to claim 2, wherein the cross section of the bending part is of a semicircular structure, and the radian of the semicircular structure is consistent with that of the bolt.