CN214138302U

CN214138302U - Special type locator of aluminum alloy

Info

Publication number: CN214138302U
Application number: CN202022947187.XU
Authority: CN
Inventors: 闫涛; 严小娜; 马亚兵; 张宏涛; 祁海胜; 刘超
Original assignee: Baoji Bao De Li Electrification Equipment Co ltd
Current assignee: Baoji Bao De Li Electrification Equipment Co ltd
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-09-07
Anticipated expiration: 2030-12-10

Abstract

The aluminum alloy special-shaped positioner comprises a positioning hook, a positioner tube and a positioning sleeve, wherein the positioning hook and the positioning sleeve are respectively pressed at two ends of the positioner tube, the other end of the positioning sleeve is coaxially pressed with a positioning pin, the positioner tube is composed of an inclined section, an arc section and a vertical section, the inclined section is connected with the vertical section through the arc section, and the value range of a central angle alpha of the arc section is (100-106 degrees); the positioning hook is in press-connection with the end of the inclined section, and the positioning sleeve is in press-connection with the end of the vertical section. The utility model overcomes prior art's is not enough, satisfies high-speed electrified railway's operation requirement.

Description

Special type locator of aluminum alloy

Technical Field

The utility model belongs to the technical field of high-speed railway contact net part is made, concretely relates to special type locator of aluminum alloy.

Background

In a high-speed railway contact system, a positioner is one of key components for determining the suspension elasticity uniformity of a contact line, so the requirements of the high-speed railway contact system on the structure and the performance of the positioner are strict. The positioner is required to have enough strength and light weight, and can meet the requirements of the dynamic range of the pantograph structurally. The high-speed electrified railway has high cable tension and large pantograph lifting amount, and the outer rail of the curve section of the high-speed electrified railway is ultrahigh, so that the inclination degree of the pantograph is directly influenced due to the ultrahigh outer rail; the existing positioner can not meet the use requirement, and a positioner which is light in weight, high in strength and capable of meeting the design and operation requirements of a high-speed electrified railway is urgently needed to be designed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a special type locator of aluminum alloy has overcome the not enough of prior art, satisfies the operation requirement of high-speed electric railway.

The utility model adopts the technical proposal that: the aluminum alloy special-shaped positioner comprises a positioning hook, a positioner tube and a positioning sleeve, wherein the positioning hook and the positioning sleeve are respectively pressed at two ends of the positioner tube, the other end of the positioning sleeve is coaxially pressed with a positioning pin, the positioner tube is composed of an inclined section, an arc section and a vertical section, the inclined section is connected with the vertical section through the arc section, and the value range of a central angle alpha of the arc section is (100-106 degrees); the positioning hook is in press-connection with the end of the inclined section, and the positioning sleeve is in press-connection with the end of the vertical section.

One end of the positioning hook is provided with a hook ring, the other end of the positioning hook is provided with an annular groove I, and one end of the positioning hook, which is provided with the annular groove I, is pressed on the end part of the inclined section.

One end of the positioning sleeve departing from the positioning pin is provided with an annular groove II, and one end of the positioning sleeve provided with the annular groove II is pressed at the end part of the vertical section.

The annular grooves I and the annular grooves II are all multiple and are evenly arranged along the axial direction.

The sections of the annular groove I and the annular groove II are both arc-shaped.

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

1. the utility model discloses the registration arm adopts the orthodrome transition, forms special shape, has great pantograph and dodges the space lifting volume, can be good when the pantograph slopes dodge the pantograph, and can satisfy the operation requirement of the great lifting volume of high-speed electrified railway pantograph.

2. The utility model discloses location hook, positioning sleeve's crimping end has the arc recess, makes the registration arm with location hook, positioning sleeve crimping back connection closely reliable, overall structure intensity is high, safe and reliable.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the tube structure of the positioner of the present invention;

FIG. 3 is a schematic view of the positioning hook of the present invention;

FIG. 4 is a schematic structural view of the positioning sleeve and the positioning pin of the present invention;

fig. 5 is a usage state diagram of the present invention.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings 1-5 and the detailed description thereof.

An aluminum alloy special-shaped positioner comprises a positioning hook 1, a positioner tube 2 and a positioning sleeve 3, wherein the positioning hook 1 and the positioning sleeve 3 are respectively pressed at two ends of the positioner tube 2, the other end of the positioning sleeve 3 is coaxially pressed with a positioning pin 4, the positioner tube 2 consists of an inclined section 2-1, an arc section 2-2 and a vertical section 2-3, the inclined section 2-1 is connected with the vertical section 2-3 through the arc section 2-2, and the central angle alpha of the arc section 2-2 is in a value range of (100-106 degrees); the positioning hook 1 is pressed at the end part of the inclined section 2-1, and the positioning sleeve 3 is pressed at the end part of the vertical section 2-3.

The radius R and the central angle alpha of the circular arc section 2-2 are determined according to the design requirements of the circuit. Preferably, the central angle alpha is 100 degrees, 105 degrees and 106 degrees, the positioning pipe is in a special shape through large arc transition, the pantograph is provided with a larger pantograph avoiding space and lifting amount, the pantograph can be well avoided when inclined, the pantograph is prevented from touching the positioning pipe, and the use requirement of the high-speed electrified railway pantograph for large lifting amount can be met.

In one embodiment, the positioner tube 2 is formed by bending an aluminum alloy tube with high strength and good toughness, and has the advantages of high strength, light weight, and excellent bending resistance and fatigue resistance. One end of the positioning hook 1 is provided with a hook ring 1-1, the other end of the positioning hook is provided with an annular groove I1-2, and the end provided with the annular groove I1-2 is pressed and connected with the end part of the inclined section 2-1. One end of the positioning sleeve 3, which is far away from the positioning pin 4, is provided with an annular groove II 3-1, and the end provided with the annular groove II 3-1 is pressed at the end part of the vertical section 2-3. The annular grooves I1-2 and the annular grooves II 3-1 are all multiple and are uniformly arranged along the axial direction. The sections of the annular groove I1-2 and the annular groove II 3-1 are arc-shaped.

The utility model discloses the annular groove has evenly been arranged to

location hook

1, 3 crimping end axial of positioning sleeve, and the cross-section of annular groove is the arc, adopts eight sides crimping technology fixed connection, makes the crimping more firm.

During the use, at first with location fastener 7 connection on dowel 4, through 7 lower extremes centre gripping contact wires 5 of location fastener, adjust the pulling value of contact wire 5, then with location hook 1 through shackle 1-1 suit in the link of location support 6, will through location support 6 the utility model discloses be connected with other parts.

The above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the present invention, so that all equivalent changes made by the contents of the claims of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a special type locator of aluminum alloy, includes positioning hook (1), locator pipe (2), position sleeve (3), positioning hook (1), position sleeve (3) crimping respectively are at the both ends of locator pipe (2), and the coaxial crimping of the other end of position sleeve (3) has locating pin (4), its characterized in that: the positioner tube (2) is composed of an inclined section (2-1), an arc section (2-2) and a vertical section (2-3), the inclined section (2-1) is connected with the vertical section (2-3) through the arc section (2-2), and the central angle alpha of the arc section (2-2) ranges from (100 degrees to 106 degrees); the positioning hook (1) is in crimping connection with the end of the inclined section (2-1), and the positioning sleeve (3) is in crimping connection with the end of the vertical section (2-3).

2. An aluminum alloy profile locator as set forth in claim 1, wherein: one end of the positioning hook (1) is provided with a hook ring (1-1), the other end of the positioning hook is provided with an annular groove I (1-2), and one end provided with the annular groove I (1-2) is pressed and connected to the end part of the inclined section (2-1).

3. An aluminum alloy profile locator as set forth in claim 1, wherein: one end of the positioning sleeve (3) departing from the positioning pin (4) is provided with an annular groove II (3-1), and one end with the annular groove II (3-1) is in crimping connection with the end of the vertical section (2-3).

4. An aluminum alloy profile locator according to claim 2 or 3 wherein: the annular grooves I (1-2) and the annular grooves II (3-1) are all multiple and are uniformly arranged along the axial direction.

5. The aluminum alloy profile locator of claim 4, wherein: the sections of the annular groove I (1-2) and the annular groove II (3-1) are arc-shaped.