CN218966732U

CN218966732U - Occlusion anti-drop connector for flat wrist arm

Info

Publication number: CN218966732U
Application number: CN202223596448.3U
Authority: CN
Inventors: 陆佳; 陈永娜; 周玉杰; 皋金龙; 王涛; 张磊明; 吴云飞; 梁勇; 陈凯; 宋博瀚; 陈冬杰; 陈永涛
Original assignee: Baoding Chaoxiong Electrification Electric Power Equipment Co ltd; China Railway Construction Electrification Bureau Group Rail Transit Equipment Co Ltd; China Railway Electrification Survey Design and Research Institute Co Ltd
Current assignee: Baoding Chaoxiong Electrification Electric Power Equipment Co ltd; China Railway Construction Electrification Bureau Group Rail Transit Equipment Co Ltd; China Railway Electrification Survey Design and Research Institute Co Ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-05-05
Anticipated expiration: 2032-12-29

Abstract

The utility model discloses an occlusion anti-drop connector for a flat cantilever, which comprises a first connecting unit and a second connecting unit, wherein an occlusion groove connected with an occlusion hook at the top of the second connecting unit is formed in the top of the first connecting unit, positioning holes matched with the occlusion hook are formed below the occlusion groove, positioning plates are arranged on two sides of the positioning holes, the shape of the first fixing groove below the positioning plates is the same as that of the second fixing groove below the occlusion hook, the cross section of the side of the occlusion hook is of an L-shaped structure, the outward protruding position of the top of the occlusion hook is in occlusion connection with the occlusion groove, the occlusion hook is connected with the second fixing groove through a transition part which is obliquely arranged, and the middle part of the occlusion hook is matched with the side wall of the occlusion groove. The occlusion anti-drop connector for the cantilever with the structure has the advantages that the structure is simple, the first connecting unit and the second connecting unit adopt two connecting modes of occlusion and bolts, the use of bolts is reduced, and the connector is prevented from loosening along with vibration of a contact net for a long time.

Description

Occlusion anti-drop connector for flat wrist arm

Technical Field

The utility model relates to the technical field of wrist connectors, in particular to an occlusion anti-drop connector for a flat wrist.

Background

The overhead contact system is a special power transmission line which is erected along the overhead of a railway line and supplies power to an electric locomotive, and consists of a contact suspension, a supporting device, a positioning device, a support and a foundation. The flat cantilever of the supporting device is connected with the inclined cantilever through the cantilever support, the flat cantilever is connected with the cantilever support through a connector, the existing connector is connected with the flat cantilever and the cantilever support through bolts, the contact net vibrates when a train passes through, and the bolts can loosen after long-term use.

Disclosure of Invention

The utility model aims to provide an occlusion anti-drop connector for a flat cantilever, which is simple in structure, and a first connecting unit and a second connecting unit adopt two connecting modes of occlusion and bolts, so that the use of the bolts is reduced, and the connector is prevented from loosening along with vibration of a contact net for a long time.

In order to achieve the above purpose, the utility model provides an occlusion anti-drop connector for a flat cantilever, which comprises a first connecting unit and a second connecting unit, wherein an occlusion groove connected with an occlusion hook at the top of the second connecting unit is arranged at the top of the first connecting unit, positioning holes matched with the occlusion hook are arranged below the occlusion groove, positioning plates are arranged on two sides of the positioning holes, a first fixing groove below the positioning plates is identical to a second fixing groove below the occlusion hook in shape, the side section of the occlusion hook is of an L-shaped structure, the outward protruding part of the top of the occlusion hook is in occlusion connection with the occlusion groove, the occlusion hook is connected with the second fixing groove through a transition part which is obliquely arranged, and the middle part of the occlusion hook is matched with the side wall of the occlusion groove.

Preferably, a first connecting portion is arranged below the first fixing groove, a second connecting portion below the second fixing groove is connected with the first connecting portion, and the first connecting portion and the second connecting portion are of triangle structures with inverted vertexes.

Preferably, the upper part of the first connecting part is symmetrically provided with a first connecting hole and a second connecting hole, the lower part of the first connecting part is provided with a third connecting hole, and the third connecting hole is positioned between the first connecting hole and the second connecting hole.

Preferably, the upper part of the second connecting part is symmetrically provided with a fourth connecting hole and a fifth connecting hole, and the sixth connecting hole arranged at the lower part of the second connecting part is positioned between the fourth connecting hole and the fifth connecting hole.

Preferably, the first fixing groove and the second fixing groove are arc structures matched with the flat wrist arm.

Preferably, the positioning plates are located at one side of the first connection unit where the engagement groove is not provided, and a distance between the positioning plates is the same as a width of the engagement hook.

Therefore, the occlusion anti-drop connector for the cantilever with the structure has the advantages that the structure is simple, the first connecting unit and the second connecting unit adopt two connecting modes of occlusion and bolts, the use of the bolts is reduced, the connector is prevented from loosening along with vibration of a contact net for a long time, and the stability of the connector in use is improved.

The technical scheme of the utility model is further described in detail through the drawings and the embodiments.

Drawings

FIG. 1 is a schematic view of a snap-in anti-disengaging connector for a flat cantilever according to the present utility model;

FIG. 2 is a schematic view of a first connection unit of the snap-in anti-disengaging connector for a flat cantilever according to the present utility model;

FIG. 3 is a schematic view of a second connection unit of the snap-in anti-disengaging connector for a flat cantilever according to the present utility model;

fig. 4 is a side view of a second connection unit of the bite-preventing connector for a flat arm according to the present utility model.

Reference numerals

1. A snap hook; 2. a snap groove; 3. positioning holes; 4. a positioning plate; 5. a first fixing groove; 6. a second fixing groove; 7. a transition section; 8. a first connection portion; 9. a second connecting portion; 10. a first connection hole; 11. a second connection hole; 12. a third connection hole; 13. a fourth connection hole; 14. a fifth connection hole; 15. and a sixth connection hole.

Detailed Description

The technical scheme of the utility model is further described below through the attached drawings and the embodiments.

Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.

Fig. 1 is a schematic view of an engagement and disengagement preventing connector for a wrist arm according to the present utility model, fig. 2 is a schematic view of a first connection unit of an engagement and disengagement preventing connector for a wrist arm according to the present utility model, fig. 3 is a schematic view of a second connection unit of an engagement and disengagement preventing connector for a wrist arm according to the present utility model, and fig. 4 is a side view of a second connection unit of an engagement and disengagement preventing connector for a wrist arm according to the present utility model, as shown in the drawings, and an engagement and disengagement preventing connector for a wrist arm according to the present utility model includes the first connection unit and the second connection unit. The top of the first connecting unit is provided with a snapping groove 2 connected with a snapping hook 1 at the top of the second connecting unit, and a positioning hole 3 matched with the snapping hook 1 is arranged below the snapping groove 2. The locating plates 4 are arranged on two sides of the locating hole 3, and the first fixing groove 5 below the locating plate 4 is identical to the second fixing groove 6 below the snap hook 1 in shape. The side section of the snap hook 1 is L-shaped, and the outward protruding part of the top of the snap hook 1 is connected with the snap groove 2 in a snap way. The snap hook 1 is connected with the second fixing groove 6 through a transition part 7 which is obliquely arranged, and the middle part of the snap hook 1 is matched with the side wall of the snap groove 2.

The connector is used for supporting and connecting the flat cantilever with the cantilever, after the first fixing groove 5 is connected with the flat cantilever, the snap-in hook 1 penetrates through the positioning hole 3, the outwards protruding position at the top of the snap-in hook 1 is connected with the snap-in groove 2 in a snap-in manner, the snap-in hook 1 and the snap-in groove 2 are used as fulcrums, and the second fixing groove 6 is rotated to be connected with the flat cantilever. At this time, the first connection portion 8 and the second connection portion 9 may be correspondingly connected by a hexagonal bolt.

The arrangement of the meshing hook 1 and the meshing groove 2 reduces the dosage of bolts and simultaneously increases stability, so that the first connecting unit and the second connecting unit are always in a meshing connection state, and the first connecting unit and the second connecting unit cannot be loosened and separated due to vibration of the contact net. The arrangement of the transition part 7 increases the bearing strength of the engagement hook 1 and the engagement groove 2 after connection.

The first connecting portion 8 is arranged below the first fixing groove 5, the second connecting portion 9 below the second fixing groove 6 is connected with the first connecting portion 8, and the first connecting portion 8 and the second connecting portion 9 are of triangular structures with inverted vertexes. An installation space connected with the cantilever support is reserved between the first connecting part 8 and the second connecting part 9, so that the first connecting part 8, the second connecting part 9 and the cantilever support are connected by the hexagonal bolt, and meanwhile, the first connecting unit and the second connecting unit are fixedly connected with the flat cantilever.

The upper part of the first connecting part 8 is symmetrically provided with a first connecting hole 10 and a second connecting hole 11, the lower part thereof is provided with a third connecting hole 12, and the third connecting hole 12 is positioned between the first connecting hole 10 and the second connecting hole 11.

The second connecting part 9 is symmetrically provided with a fourth connecting hole 13 and a fifth connecting hole 14 at the upper part thereof, and a sixth connecting hole 15 at the lower part thereof is positioned between the fourth connecting hole 13 and the fifth connecting hole 14. The first connecting hole 10 and the fourth connecting hole 13, the second connecting hole 11 and the fifth connecting hole 14, and the third connecting hole 12 and the sixth connecting hole 15 are connected through hexagonal bolts.

The first fixed slot 5 and the second fixed slot 6 are arc structures matched with the flat wrist arm, and the first fixed slot 5 and the second fixed slot 6 are arranged in a shape, so that the first fixed slot 5 and the second fixed slot 5 can be connected with the flat wrist arm in a fitting manner, and the fixing effect is guaranteed.

The positioning plates 4 are located at the side of the first connection unit where the snap groove 2 is not provided, and the distance between the positioning plates 4 is the same as the width of the snap hook 1. The positioning plate 4 is arranged, the position of the snap hook 1 is limited on the opposite side of the snap groove 2, and the shock of the snap hook 1 is prevented from being disconnected with the snap groove 2.

Therefore, the occlusion anti-drop connector for the cantilever with the structure has a simple structure, and the first connecting unit and the second connecting unit adopt two connecting modes of occlusion and bolts, so that the use of the bolts is reduced, and the connector is prevented from loosening along with vibration of a contact net for a long time.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting it, and although the present utility model has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that: the technical scheme of the utility model can be modified or replaced by the same, and the modified technical scheme cannot deviate from the spirit and scope of the technical scheme of the utility model.

Claims

1. The utility model provides a flat cantilever is with interlock anticreep formula connector which characterized in that: including first connecting element and second connecting element, first connecting element top be provided with the interlock groove that the second connecting element top interlock hook is connected, interlock groove below be provided with interlock hook assorted locating hole, the locating hole both sides all are provided with the locating plate, the first fixed slot of locating plate below with the second fixed slot shape of interlock hook below is the same, interlock hook side section is L type structure, the outside protrusion in interlock hook top with the interlock of interlock groove is connected, the interlock hook through the transition portion that the slope set up with the second fixed slot is connected, the interlock hook middle part with interlock groove lateral wall assorted.

2. The bite-type connector for a flat cantilever according to claim 1, wherein: the utility model discloses a fixed slot, including first fixed slot, second fixed slot, first fixed slot below is provided with first connecting portion, second connecting portion below the second fixed slot with first connecting portion are connected, first connecting portion with second connecting portion all are the triangle-shaped structure that the summit was invertd.

3. The bite-type connector for a flat cantilever according to claim 2, wherein: the upper part of the first connecting part is symmetrically provided with a first connecting hole and a second connecting hole, the lower part of the first connecting part is provided with a third connecting hole, and the third connecting hole is positioned between the first connecting hole and the second connecting hole.

4. The bite-type connector for a flat cantilever according to claim 2, wherein: the upper part of the second connecting part is symmetrically provided with a fourth connecting hole and a fifth connecting hole, and a sixth connecting hole arranged at the lower part of the second connecting part is positioned between the fourth connecting hole and the fifth connecting hole.

5. The bite-type connector for a flat cantilever according to claim 1, wherein: the first fixing groove and the second fixing groove are arc-shaped structures matched with the wrist-flattening arm.

6. The bite-type connector for a flat cantilever according to claim 1, wherein: the locating plates are located on one side, where the engagement grooves are not formed, of the first connecting unit, and the distance between the locating plates is the same as the width of the engagement hooks.