CN216684148U

CN216684148U - Fixed external double-channel conversion base

Info

Publication number: CN216684148U
Application number: CN202123264119.4U
Authority: CN
Inventors: 徐金健; 周佳
Original assignee: Jiangsu Anrong Electric Equipment Co ltd
Current assignee: Jiangsu Anrong Electric Equipment Co ltd
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-06-07
Anticipated expiration: 2031-12-23

Abstract

The utility model belongs to the technical field of rail transit overhead, and particularly relates to a fixed external double-channel conversion base which comprises a base main body, wherein a fixing screw is inserted in the middle of the base main body, connecting holes are formed in the outer side of the base main body and positioned on two sides of the fixing screw, a groove is formed in the middle of the top of the base main body, and a through hole is formed in the bottom of the groove. This fixed external double channel conversion base, through being provided with the recess, the annular ring, clamping screw, the operator is through passing through hole fixed connection in the intermediate position of base main part with clamping screw top-down, cup joint the annular ring in clamping screw's the outside, make the bottom of annular ring laminate completely with the bottom of recess, improve the connection stability between the part, with the fixture block joint in the inside of draw-in groove, reach the injecing to clamping screw's position and angle, the condition of skew can not appear at clamping screw at the operation in-process.

Description

Fixed external double-channel conversion base

Technical Field

The utility model relates to the technical field of rail transit overhead, in particular to a fixed external double-channel conversion base.

Background

The overhead rigid contact network system has the advantages of compact structure, few system parts, low maintenance and repair cost and the like, is widely applied in urban rail transit tunnels, and becomes one of mainstream traction power supply systems. The suspension device mainly adopts a vertical suspension structure, is fixed on the tunnel wall through a post-planting anchor bolt or a channel, and realizes the current collection requirement of the bow net by an overhead rigid beam. Along with the rapid development of urban rail transit, the requirement on the vertical suspension connection base device of the overhead rigid contact network is further improved.

The prior art has the following problems:

1. the existing conversion base is only suitable for a single channel and cannot be installed and fixed on a double channel, and the existing conversion base of the double channel is basically simple and fixed to install, so that long-term stable operation is difficult to achieve;

2. the gasket or the cushion block can be used for ensuring the installation angle in the existing base installation, the stability of subsequent operation is maintained, but the requirement on the gasket is higher, and the conditions of looseness and decline of fastening capacity easily occur in the long-term rail operation process.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a fixed external double-channel conversion base, which solves the existing problems.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a fixed external double channel way conversion base, includes the base main part, the intermediate position of base main part is pegged graft and is had clamping screw, the connecting hole has all been seted up in the outside of base main part and the both sides that are located clamping screw, the intermediate position at base main part top is seted up flutedly, the through hole has been seted up to the bottom of recess, the draw-in groove has been seted up to the side of through hole and the bottom that is located the recess, the annular ring has been cup jointed in clamping screw's the outside, the bottom fixed mounting of annular ring has the fixture block.

In a preferred embodiment of the present invention, the through hole is matched with a fixing screw rod in size, and the fixing screw rod passes through the through hole and is connected to the base body.

In a preferred embodiment of the present invention, the annular ring is fixedly installed outside the fixing screw and located at the top of the through hole.

As a preferable technical scheme of the utility model, two clamping grooves are symmetrically distributed on two sides of the through hole, and the size of the clamping block is matched with that of the clamping groove.

As a preferred technical solution of the present invention, the connection holes are symmetrically distributed on both sides of the base body with the groove as a center of symmetry.

As a preferred technical scheme of the utility model, the bottom of the annular ring is in an arc design and is matched with the bottom of the groove.

As a preferable technical scheme of the utility model, the middle position of the base main body is in an upward convex design, and the edge of the convex part adopts a smooth design.

Compared with the prior art, the utility model provides a fixed external double-channel conversion base, which has the following beneficial effects:

1. this kind of fixed external double channel conversion base, through being provided with the recess, the annular ring, clamping screw, the operator is through passing through hole fixed connection at the intermediate position of base main part with clamping screw top-down, cup joint the annular ring in clamping screw's the outside, make the bottom of annular ring laminate completely with the bottom of recess, improve the connection stability between the part, with the inside of fixture block joint at the draw-in groove, reach the injecing to clamping screw's position and angle, the condition of skew can not appear at the operation in-process of clamping screw, weld the annular ring in clamping screw's the outside afterwards, through interior connecting hole with base main part fixed mounting on double channel, accomplish the stable installation to the device promptly.

Drawings

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

FIG. 2 is a top view of the base body of the present invention;

FIG. 3 is a sectional view of the side structure of the connection between the base body and the fixing screw according to the present invention.

In the figure: 1. a base body; 2. fixing the screw rod; 3. connecting holes; 4. a groove; 5. a through hole; 6. a card slot; 7. an annular ring; 8. and (7) clamping blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-3, in this embodiment: the utility model provides a fixed external double channel way conversion base, including base main part 1, the intermediate position of base main part 1 is pegged graft and is had clamping screw 2, connecting hole 3 has all been seted up in the outside of base main part 1 and the both sides that are located clamping screw 2, the intermediate position at 1 top of base main part is seted up flutedly 4, through hole 5 has been seted up to the bottom of recess 4, draw-in groove 6 has been seted up to the side of through hole 5 and the bottom that is located recess 4, annular ring 7 has been cup jointed in clamping screw 2's the outside, annular ring 7's bottom fixed mounting has fixture block 8.

In the embodiment, the size of the through hole 5 is matched with that of the fixing screw 2, the fixing screw 2 passes through the through hole 5 to be connected with the base main body 1, so that the base main body 1 is conveniently connected with the fixing screw 2, the annular ring 7 is fixedly arranged on the outer side of the fixing screw 2 and is positioned at the top of the through hole 5 to limit the fixing screw 2, two clamping grooves 6 are symmetrically distributed on two sides of the through hole 5, the size of the clamping block 8 is matched with that of the clamping groove 6, so that the clamping of the clamping block 8 and the clamping of the clamping groove 6 is convenient, the angle of the fixing screw 2 is limited, the connecting holes 3 are symmetrically distributed on two sides of the base main body 1 by taking the groove 4 as a symmetric center, so that the base main body 1 is conveniently arranged on an external double-channel through the connecting holes 3, the bottom of the annular ring 7 is designed in an arc shape and is matched with the bottom of the groove 4, the stability after connection is improved, the coordination of the interior of parts is improved, the middle position of the base main body 1 is designed in an upward convex shape, and the edge of the convex part is designed smoothly, the overall structural stress stability of the base main body 1 is improved, and the stability of the base main body 1 during operation is improved.

The working principle and the using process of the utility model are as follows: the operator passes through the intermediate position of 5 fixed connection of through hole in base main part 1 with 2 top-down of clamping screw, cup joint annular ring 7 in clamping screw 2's the outside, make the bottom of annular ring 7 laminate completely with the bottom of recess 4, improve the connection stability between the part, with the inside of fixture block 8 joint at draw-in groove 6, reach the injecing to clamping screw 2's position and angle, the condition of skew can not appear at operation in-process of clamping screw 2, weld annular ring 7 in clamping screw 2's the outside afterwards, through interior connecting hole 3 with 1 fixed mounting of base main part on the double channel way, accomplish the stable installation to the device promptly.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a fixed external double channel conversion base, includes base main part (1), its characterized in that: the fixing device is characterized in that a fixing screw rod (2) is inserted in the middle of the base body (1), connecting holes (3) are formed in the outer side of the base body (1) and in the two sides of the fixing screw rod (2), grooves (4) are formed in the middle of the top of the base body (1), through holes (5) are formed in the bottom of the grooves (4), clamping grooves (6) are formed in the side faces of the through holes (5) and in the bottom of the grooves (4), an annular ring (7) is sleeved on the outer side of the fixing screw rod (2), and clamping blocks (8) are fixedly mounted at the bottom of the annular ring (7).

2. The fixed external double channel conversion base of claim 1, wherein: the size of the through hole (5) is matched with that of the fixing screw rod (2), and the fixing screw rod (2) penetrates through the through hole (5) to be connected with the base main body (1).

3. The fixed external double-channel switching base of claim 1, wherein: the annular ring (7) is fixedly arranged on the outer side of the fixing screw rod (2) and is positioned at the top of the through hole (5).

4. The fixed external double channel conversion base of claim 1, wherein: the clamping grooves (6) are symmetrically distributed on two sides of the through hole (5), and the size of the clamping blocks (8) is matched with that of the clamping grooves (6).

5. The fixed external double channel conversion base of claim 1, wherein: the connecting holes (3) are symmetrically distributed on two sides of the base main body (1) by taking the groove (4) as a symmetric center.

6. The fixed external double channel conversion base of claim 1, wherein: the bottom of the annular ring (7) is designed into an arc shape and is matched with the bottom of the groove (4).

7. The fixed external double channel conversion base of claim 1, wherein: the middle position of the base main body (1) is in an upward convex design, and the edge of the convex part is in a smooth design.