CN201446888U - Aluminum alloy positioning tube - Google Patents

Abstract

The utility model relates to an aluminum alloy positioning tube which comprises a body (2) of the positioning tube and a double-ear sleeve (1), wherein a diagonal plane (7) is arranged on the inner hole (6) of the double-ear sleeve (1); a crateriform bolt (3) is screwed in the inner hole (6); the end of the body (2) of the positioning tube is inserted into the inner hole (6) and the outer wall of the body (2) of the positioning tube is in contact with the diagonal plane (7); and the crateriform bolt (3) is tightly pressed on the outer wall of the body (2) of the positioning tube. The aluminum alloy positioning tube is connected with other parts of an aluminum alloy cantilever positioning system through the double-ear sleeve, improves the connection reliability of the parts, lightens the load of a contact system, and meets the requirement of high speed development of an electrified railway.

Description

The aluminum alloy registration arm

Technical field

The utility model relates to a kind of aluminum alloy registration arm, belongs to contact nets in electrified railways Parts manufacturing technology field.

Background technology

Electrification railway contact net adopts the Aluminium alloy arm for electric railway contact net as supporting part position fixing system in a large number, and registration arm is as the strength member that wherein install to support steady arm, need be suitable from aspect such as specification, material, performance, interface mode and other parts of Aluminium alloy arm for electric railway contact net as supporting part position fixing system.Generally adopt the steel registration arm, the structure of its termination crimping steel location hook on the circuit at present.This class formation not only specification can't be suitable for the aluminum alloy oblique wrist and arm, and owing to weight has increased catenary load.Be difficult to satisfy the requirement of electrified railway high speed development.

Summary of the invention

The technical matters that the utility model solves: design a kind of aluminum alloy registration arm, its end is the ears sleeve fixedly, makes itself and other parts of Aluminium alloy arm for electric railway contact net as supporting part position fixing system suitable, has improved part bonded assembly reliability, alleviate catenary load, satisfied the requirement of electrified railway high speed development.

Technical solution of the present utility model: a kind of aluminum alloy registration arm, the end of its registration arm body is fixed with the ears sleeve.

Be shaped on diagonal plane on the endoporus of described ears sleeve, be installed with the rim of a cup bolt, the end of registration arm body is inserted in the endoporus and its outer wall contacts with diagonal plane, and the rim of a cup bolt holds out against on the outer wall of registration arm body.

Be shaped on two symmetrical diagonal planves on the endoporus of described ears sleeve, be installed with two rim of a cup bolts.

Advantage that the utility model compared with prior art has and effect:

1, the fixing ears sleeve in aluminum alloy registration arm end, the ears sleeve is connected with other parts of Aluminium alloy arm for electric railway contact net as supporting part position fixing system by end ears and pin, improve part bonded assembly reliability, alleviated catenary load, satisfied the requirement of electrified railway high speed development.

2, the registration arm body contacts with the ears sleeve by diagonal plane, and adopts the rim of a cup bolt to hold out against, and has improved part bonded assembly reliability.

3, can adjust registration arm length flexibly, installation, debugging and easy to maintenance according to the construction needs.

Description of drawings

Fig. 1 is a front view of the present utility model,

Fig. 2 is a birds-eye view of the present utility model,

Fig. 3 is the cross-sectional end view of Fig. 1.

The specific embodiment

1,2 a kind of embodiment of the present utility model is described in conjunction with the accompanying drawings:

A kind of aluminum alloy registration arm, constitute by ears sleeve 1, registration arm body 2. be shaped on two symmetrical diagonal planves 7 on the endoporus 6 of ears sleeve 1, the end that is installed with two rim of a cup bolt 3. registration arm bodies 2 is inserted in the endoporus 6 and its outer wall contacts with diagonal plane 7, and rim of a cup bolt 3 holds out against on the outer wall of registration arm body 2. and φ 55 ears sleeves 1 adopt the metal paattern precision casting process to make.

Using method: registration arm body 2 is connected with φ 55 ears sleeves 1, when changing length, can unclamps rim of a cup bolt 3 because of actual demands of engineering, take out registration arm body 2, be processed into Len req, and then insert in the ears sleeve 1, hold out against with rim of a cup bolt 3 again, guarantee to be connected firmly.

Claims (3)

1. an aluminum alloy registration arm comprises registration arm body (2), it is characterized in that: the end of registration arm body (2) is fixed with ears sleeve (1).

2. aluminum alloy registration arm according to claim 1, it is characterized in that: be shaped on diagonal plane (7) on the endoporus (6) of described ears sleeve (1), be installed with rim of a cup bolt (3), the end of registration arm body (2) is inserted in the endoporus (6) and its outer wall contacts with diagonal plane (7), and rim of a cup bolt (3) holds out against on the outer wall of registration arm body (2).

3. aluminum alloy registration arm according to claim 1 and 2 is characterized in that: be shaped on two symmetrical diagonal planves (7) on the endoporus (6) of described ears sleeve (1), be installed with two rim of a cup bolts (3).

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