CN219295216U

CN219295216U - Swift formula contact net ground connection boots

Info

Publication number: CN219295216U
Application number: CN202320849804.3U
Authority: CN
Inventors: 邱才春; 肖华; 周国涛; 李�真; 陈和青
Original assignee: Institute of Science and Technology of China Railway Wuhan Group Co Ltd
Current assignee: Institute of Science and Technology of China Railway Wuhan Group Co Ltd
Priority date: 2023-04-11
Filing date: 2023-04-11
Publication date: 2023-07-04
Anticipated expiration: 2033-04-11

Abstract

The application provides a swift formula contact net ground boot relates to power supply unit maintenance instrument technical field. The movable clamp comprises a hook bolt, a movable clamp assembly and a fastener; the hook bolt comprises a hook head and a screw; the movable clamp assembly comprises a connecting seat, a push-pull telescopic rod, a connecting buckle and a driving mechanism, one end of the push-pull telescopic rod is connected with the connecting buckle, and the other end of the push-pull telescopic rod is connected with the driving mechanism; the connecting seat is internally provided with threads matched with the screw rod and connected with the screw rod in a threaded manner; the push-pull telescopic rod is in sliding connection with the connecting seat so as to make the push-pull telescopic rod reciprocate along the extending direction of the axis; the driving mechanism comprises a double-rocker mechanism and a push-pull handle connected with the double-rocker mechanism, one end of a connecting rod of the double-rocker mechanism is hinged with the connecting seat, the other end of the connecting rod is connected with two rockers, and the push-pull handle and the push-pull telescopic rod are respectively connected with the movable ends of the two rockers. The grounding shoe can be quickly installed and removed through the pushing handle and the pulling handle, and the installation operation convenience of the grounding shoe is improved.

Description

Swift formula contact net ground connection boots

Technical Field

The application relates to the technical field of power supply equipment overhaul tools, in particular to a quick contact net grounding boot.

Background

The ground wire is a safety barrier for protecting maintenance personnel, is a life wire of a power supply worker, is a very important electrical safety technical measure, and is connected with a steel rail in a power failure operation mode according to the safety working regulation requirement of an electrified railway contact net.

Disclosure of Invention

The utility model aims at providing a swift contact net ground shoe, it can be through pushing away, the handle realizes that the ground shoe is installed and is demolishd fast on the rail, improves the simple operation nature of ground shoe installation.

In order to solve the technical problems, the technical scheme adopted by the application is as follows:

the embodiment of the application provides a quick contact net grounding boot which is used for being connected with a track and comprises a hook bolt, a movable clamp assembly and a fastener, wherein the movable clamp assembly is connected to the hook bolt; the hook bolt comprises a hook head and a screw rod integrally connected with the hook head; the movable clamp assembly comprises a connecting seat and a push-pull telescopic rod arranged on the connecting seat, one end of the push-pull telescopic rod is connected with a connecting buckle, the connecting buckle is close to one end where the hook head is located, and the other end of the push-pull telescopic rod is connected with a driving mechanism; the connecting seat is internally provided with threads matched with the screw rod and connected with the screw rod in a threaded manner; the axial direction of the push-pull telescopic rod is parallel to the screw rod, and the push-pull telescopic rod is in sliding connection with the connecting seat so as to enable the push-pull telescopic rod to do reciprocating motion along the axial extension direction; the driving mechanism comprises a double-rocker mechanism and a push-pull handle connected with the double-rocker mechanism, one end of a connecting rod of the double-rocker mechanism is hinged with the connecting seat, the other end of the connecting rod is connected with two rockers, and the push-pull handle and the push-pull telescopic rod are respectively connected with the movable ends of the two rockers; the fastener sets up the one end of keeping away from the eave tile, removes clamp subassembly threaded connection between eave tile and fastener.

The utility model provides a swift formula contact net ground connection boots improves on the basis of the hook bolt+nut structure that uses at present, will cooperate with the hook bolt and be used for the removal clamp subassembly design of lock track opposite side to cooperate with push-pull handle and push-and-pull telescopic link that are connected according to two rocker structures through installing on the connecting seat, through pushing push-and-pull telescopic link back-and-forth movement, realize the state that connecting buckle and rail are connected or break away from, wherein the fastener is through the position of limiting the connecting seat and connecting buckle on the hook bolt mutually supporting with the eave tile of hook bolt.

Before use, the position of the connecting seat on the hook bolt is adjusted, and the connecting buckle is adjusted to a position adapting to the width of the rail bottom. When the grounding shoe is installed, the hook bolt penetrates through the bottom of the steel rail, the hook portion hooks the inner side of a line at the bottom of the steel rail, the connecting buckle is aligned with the outer side of the line at the bottom of the steel rail, the connecting buckle can be firmly connected with the steel rail by pushing the handle forwards, and the grounding shoe can be separated from the steel rail by pulling the handle backwards.

In some embodiments of the present application, a push-pull guiding cylinder is provided on the connecting seat, and a push-pull telescopic rod is sleeved in the push-pull guiding cylinder, and the axial direction of the push-pull guiding cylinder is parallel to the screw.

The push-pull telescopic rod is limited by the push-pull guide cylinder.

In some embodiments of the present application, a thread matching with the screw rod is disposed in the connecting seat, and is in threaded connection with the screw rod.

Through rotatory connecting seat, adjust its position on the bolt, lock the position of removing the clamp subassembly.

In some embodiments of the present application, the fastener includes a plurality of nuts, the nuts are sleeved on the hook bolts, the nuts are in threaded connection with the screw, and a spacer is disposed between adjacent nuts.

A gasket is arranged between the nuts, so that the nuts can be prevented from loosening; in addition, the nut and the gasket at the tail of the hook bolt are suitable for connecting the grounding wire of the single-hole wire nose.

In some embodiments of the present application, a locking assembly is provided on the dual rocker mechanism, the locking assembly is used to lock the push-pull handle and the dual rocker mechanism, and the locking assembly includes a safety hole provided on the dual rocker mechanism and a safety pin adapted to the safety hole.

The locking assembly is arranged for the double-rocker mechanism, and is matched with the safety pin through the safety hole and used for limiting the push-pull handle, so that the connection buckle and the steel rail are prevented from being separated due to accidental stirring in the use process.

In some embodiments of the present application, a ground wire post is provided on the connection mount and/or the connection clip.

During the concrete implementation, the ground wire stand on the connecting seat is double-column design, is applicable to the ground wire of diplopore line nose, and in the ground wire vertical placement, the ground shoe gravity is the same direction with the ground wire atress, reducible ground wire takes place the broken strand of damage in line nose department.

In some embodiments of the present application, the connecting buckle comprises a "]" shaped structure and an inclined clamping plate arranged therein, and the inclined clamping plate is matched with the "]" shaped structure to form a clamping groove matched with the bottom of the steel rail.

The connecting buckle is designed into a 'shape' structure, and the inclined clamping plate at the middle part is provided with an inclined angle matched with the bottom of the steel rail, so that the contact area between the connecting buckle and the steel rail can be increased, the contact resistance is reduced, and the fastening degree of connection is improved.

In some embodiments of the present application, graduation marks are provided on the hook bolt.

Specifically, the scale marks marked on the hook bolts are respectively suitable for steel rails of different types, so that the positions of the fasteners before use can be conveniently confirmed, and the use is convenient.

In some embodiments of the present application, an insulating sheath is sleeved over the push-pull handle.

An insulating sheath is sleeved on the push-pull handle for preventing electric shock injury.

Compared with the prior art, the embodiment of the application has at least the following advantages or beneficial effects:

the utility model provides a pair of swift formula contact net ground connection boots when using, pass the hook bolt from the rail bottom, the hook portion hooks the circuit inboard of rail bottom, and the circuit outside of rail bottom is aimed at to the connection buckle, and forward pushing handle just can be with connection buckle and rail firm connection, and backward pulling handle just can realize ground connection boots and rail and break away from, realizes the quick installation and the demolishment of ground connection boots on the rail, improves the simple operation nature of ground connection boots installation.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered limiting the scope, and that other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic front view of a grounding shoe according to an embodiment of the present application after closing a push-pull handle;

FIG. 2 is a schematic front view of a grounding shoe according to an embodiment of the present application after pulling the push-pull handle open;

fig. 3 is a schematic rear view of a dual rocker mechanism according to an embodiment of the present application.

Icon: the device comprises a 1-hook bolt, a 2-connecting seat, a 3-double rocker mechanism, a 4-push-pull handle, a 5-push-pull telescopic rod, a 6-push-pull guide cylinder, a 7-connecting buckle, an 8-safety hole, a 9-safety pin, a 10-first grounding wire stand column, an 11-nut, a 12-gasket, a 13-scale mark, a 14-first rocker, a 15-second rocker, a 16-connecting rod, a 17-second grounding wire stand column and an 18-inclined clamping plate.

Detailed Description

For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, which are generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, as provided in the accompanying drawings, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

Examples

Referring to fig. 1, fig. 1 is a schematic structural diagram of a grounding shoe according to the present embodiment after a push-pull handle 4 is closed, and as shown in the drawing, a main body of the grounding shoe includes a hook bolt 1, a movable clamp assembly connected to the hook bolt 1, two nuts 11 disposed at the screw position of the hook bolt 1, and a washer 12 sleeved in the nuts 11. The hook bolt 1 is formed by connecting a hook head and a screw rod into a whole, the hook head is used for being fixed on the inner side of a line at the bottom of the steel rail, and the connecting buckle 7 on the movable clamp assembly is used for being matched with the hook head to be aligned with the outer side of the line at the bottom of the steel rail, so that the openings of the hook head and the screw rod face to each other.

For the specific structure of the movable clamp assembly, please refer to fig. 1 and 2, the main structure is disposed at the screw position of the hook bolt 1, and is in threaded connection with the screw by the connection seat 2, meanwhile, the connection seat 2 is provided with the push-pull telescopic rod 5 and the connection buckle 7, and the push-pull telescopic rod 5 is pushed to move back and forth by a driving mechanism composed of a double rocker mechanism 3 and the push-pull handle 4. Wherein, the one end and the connection buckle 7 of push-and-pull telescopic link 5 are connected, and the other end and the actuating mechanism of push-and-pull telescopic link 5 are connected, and the axis direction and the screw rod of push-and-pull telescopic link 5 are parallel moreover, still install a push-and-pull guide drum 6 on connecting seat 2, and the axis direction and the screw rod of push-and-pull guide drum 6 are parallel, and push-and-pull telescopic link 5 cover is located in this push-and-pull guide drum 6 and is connected with connection buckle 7 for accurate direction avoids rocking. The connecting buckle 7 comprises a 'shaped' structure and an inclined clamping plate 18 connected with the 'shaped' structure, the inclined clamping plate 18 is matched with the 'shaped' structure to form a clamping groove for abutting against the bottom of the steel rail, the contact area between the connecting buckle 7 and the steel rail can be increased, the contact resistance is reduced, and the fastening degree of connection is improved.

In addition, referring to fig. 3, fig. 3 mainly shows a schematic structure of the double-rocker mechanism 3, one end of the double-rocker mechanism 3 is hinged with the connecting seat 2, the hinged connection part is a connecting rod 16, the other end of the connecting rod 16 is also connected with two rockers, wherein the first rocker 14 and the connecting rod 16 are integrally formed, the turning part of the first rocker 14 is used for hinging a second connecting rod, the movable end of the first rocker 14 is connected with the push-pull handle 4, the tail end of the second rocker 15 is connected with the push-pull telescopic rod 5, when in use, pushing the push-pull handle 4 towards the tail end of the screw rod can drive the push-pull telescopic rod 5 connected with the second rocker 15 to move towards the tail end of the screw rod (the end far away from the hook), so that the connection buckle 7 is released from the hook, thereby realizing the detachment of the ground shoe from the rail, and when a user pushes the push-pull handle 4 towards the hook direction, the connection buckle 7 can be firmly connected with the rail.

Meanwhile, for convenience in use, scale marks 13 can be carved on the screw rod of the hook bolt 1 as shown in fig. 2, and the clamp assembly is respectively suitable for different types of steel rails according to the stress positions and used for calibrating the limited positions of the clamp assembly during use.

In order to ensure that the push-pull handle 4 does not slide after being locked, the safety holes 8 are arranged at the positions of the first rocker 14 and the second rocker 15 on the double-rocker mechanism 3, the first rocker 14 and the second rocker are mutually overlapped in a locking state, a safety pin 9 is connected with a lock chain at the position of the first rocker 14, and the safety pin 9 is used for being inserted into the safety holes 8 for locking after the connecting buckle 7 and the steel rail are locked.

In addition, on the connecting seat 2, the two first ground wire stand columns 10 are fixedly arranged on the side walls of the connecting seat 2, the ground wire stand columns 10 are of a double-column design, the ground wire is suitable for a ground wire of a double-hole wire nose, and in the vertical placing and carrying processes of the ground wire, the gravity of the ground shoe and the stress of the ground wire are in the same direction, so that the situation that the ground wire is damaged and broken at the wire nose can be reduced. A second ground wire upright 17 is also arranged above the connecting buckle 7 for installing a ground wire. Between the 2 nuts 11 on the hook bolt, a ground wire may also be provided. An insulating sheath is also sleeved on the push-pull handle 4 for preventing electric shock injury.

It should be noted that, as a preferred embodiment, when the quick contact net grounding boot provided by the application is used and installed, the hook bolt 1 passes through the bottom of the steel rail, the hook portion hooks the inner side of the line at the bottom of the steel rail, the push-pull handle 4 is pushed to align the connecting buckle 7 with the outer side of the line at the bottom of the steel rail and is matched and locked through the safety pin 9 and the safety hole 8, the connecting buckle 7 and the steel rail can be firmly connected by pushing the handle towards the hook direction, the grounding boot can be separated from the steel rail by pulling the handle backwards, quick installation and removal of the grounding boot on the steel rail are realized, and the operation convenience of installation of the grounding boot is improved.

The foregoing is merely a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and variations may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. The quick contact net grounding shoe is used for being connected with a track and is characterized by comprising a hook bolt, a movable clamp assembly and a fastener, wherein the movable clamp assembly is connected to the hook bolt;

the hook bolt comprises a hook head and a screw rod integrally connected with the hook head;

the movable clamp assembly comprises a connecting seat and a push-pull telescopic rod arranged on the connecting seat, one end of the push-pull telescopic rod is connected with a connecting buckle, the connecting buckle is close to one end where the hook head is located, and the other end of the push-pull telescopic rod is connected with a driving mechanism;

the connecting seat is internally provided with threads matched with the screw rod and connected with the screw rod in a threaded manner;

the axial direction of the push-pull telescopic rod is parallel to the screw rod, and the push-pull telescopic rod is in sliding connection with the connecting seat so as to enable the push-pull telescopic rod to do reciprocating motion along the axial extension direction;

the driving mechanism comprises a double-rocker mechanism and a push-pull handle connected with the double-rocker mechanism, one end of a connecting rod of the double-rocker mechanism is hinged with the connecting seat, the other end of the connecting rod is connected with two rockers, and the push-pull handle and the push-pull telescopic rod are respectively connected with the movable ends of the two rockers;

the fastener is arranged at one end far away from the hook head, and the movable clamp assembly is in threaded connection between the hook head and the fastener.

2. The quick contact network grounding shoe according to claim 1, wherein a push-pull guide cylinder is arranged on the connecting seat, the push-pull telescopic rod is sleeved in the push-pull guide cylinder, and the axial direction of the push-pull guide cylinder is parallel to the screw rod.

3. The quick contact network grounding shoe of claim 1, wherein said fastener comprises a plurality of nuts, said nuts being sleeved on said hook bolts, said nuts being threadably connected to said threaded rods.

4. A shortcut contact net grounding shoe according to claim 3, wherein a spacer is arranged between adjacent nuts.

5. The quick contact network grounding shoe of claim 1, wherein a locking assembly is provided on the double rocker mechanism, the locking assembly is used for locking the push-pull handle with the double rocker mechanism, and the locking assembly comprises a safety hole and a safety pin, wherein the safety hole is formed in the double rocker mechanism, and the safety pin is matched with the safety hole.

6. The quick contact network grounding shoe of claim 1, wherein a grounding wire upright is provided on the connection base and/or the connection clip.

7. The quick contact network grounding shoe of claim 1, wherein the connecting buckle comprises a "]" shaped structure and an inclined clamping plate arranged therein, and the inclined clamping plate is matched with the "]" shaped structure to form a clamping groove matched with the bottom of the steel rail.

8. The quick contact network grounding shoe of claim 1, wherein the hook bolt is provided with graduation marks.

9. The quick contact network grounding shoe of claim 1, wherein the push-pull handle is sleeved with an insulating sheath.