CN215944349U

CN215944349U - Contact net suspension device

Info

Publication number: CN215944349U
Application number: CN202122594593.7U
Authority: CN
Inventors: 邓姣; 赵文飞; 文翠芳; 林翠虹; 彭艳丽
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2022-03-04
Anticipated expiration: 2031-10-27

Abstract

The utility model discloses a contact net suspension device which comprises a sleeve and an adjusting screw rod, wherein external threads are arranged at two ends of the outer periphery of the sleeve, a nut is connected with the outer periphery of the adjusting screw rod through threads, an annular plate is rotatably arranged on the outer periphery of the nut, internal threads matched with the external threads are arranged on the inner side surface of the annular plate, a main traction rope is movably arranged in the sleeve, one end, far away from the adjusting screw rod, of the main traction rope movably penetrates through the sleeve, a fixing ring is arranged at one end, far away from the adjusting screw rod, of the main traction rope, an auxiliary traction rope is arranged at one end, far away from the sleeve, of the adjusting screw rod, and a fixing plate is arranged at one end, far away from the adjusting screw rod, of the auxiliary traction rope. This contact net linkage, simple to operate can carry out accurate regulation to the length of dropper as required according to hanging, and accommodation is wide, need not to cut to reduce extravagantly, can also improve work efficiency, and the dropper can retrieve and reuse, easy operation, convenient to use.

Description

Contact net suspension device

Technical Field

The utility model relates to the technical field of railway power supply equipment, in particular to a contact net suspension device.

Background

The contact suspension is generally classified into a simple contact suspension and a chain-shaped contact suspension according to the structure thereof. The chain-shaped suspension is a suspension form with better operation performance, and the length of the suspension string can be adjusted to ensure that the height of the contact line to the rail surface is basically kept consistent in the whole span, thereby reducing the sag of the contact line in the span, improving the elasticity, increasing the suspension weight, improving the stability and meeting the requirement of high-speed operation current taking of the electric locomotive.

However, the length of the hanger in the existing chain-shaped suspension cannot be adjusted, and the hanger needs to be cut according to needs, so that resource waste is easily caused, the installation is inconvenient, the hanger cannot be directly recycled, and the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the existing defects, provides a contact net suspension device which is convenient to install, can accurately adjust the length of a hanger according to suspension requirements, has a wide adjustment range, does not need shearing, reduces waste, can improve the working efficiency, can recycle and reutilize the hanger, is simple to operate and convenient to use, and can effectively solve the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a contact net linkage, includes sleeve and adjusting screw, telescopic periphery side both ends all are equipped with the external screw thread, adjusting screw's periphery side threaded connection has the nut, the periphery side of nut is rotated and is provided with the annular plate, the medial surface of annular plate is equipped with the internal thread with the external screw thread adaptation.

Telescopic inside movable mounting has main haulage rope, the one end activity that adjusting screw was kept away from to main haulage rope runs through the sleeve, and the one end that adjusting screw was kept away from to main haulage rope is equipped with solid fixed ring, adjusting screw keeps away from telescopic one end and installs vice haulage rope, the one end that adjusting screw was kept away from to vice haulage rope is equipped with the fixed plate, be equipped with the fastener on the fixed plate.

According to a preferable technical scheme of the utility model, both ends of the adjusting screw rod are provided with thread grooves, one end of the main traction rope, which is close to the adjusting screw rod, is provided with a main connecting screw rod, one end of the auxiliary traction rope, which is close to the adjusting screw rod, is provided with an auxiliary connecting screw rod, the auxiliary connecting screw rod is in threaded connection with the thread grooves at one end of the adjusting screw rod, and the main connecting screw rod and the auxiliary connecting screw rod are equal in size.

As a preferable technical scheme of the present invention, a limit nut is threadedly connected to an outer peripheral side of the main connecting screw, a through hole through which the main traction rope passes is formed at an end of the sleeve away from the adjusting screw, a shaft diameter of the main connecting screw is smaller than a diameter of the through hole, and an outer shaft diameter of the limit nut is larger than the diameter of the through hole.

As a preferable technical scheme of the utility model, the wire clamp comprises an arc-shaped clamping plate, and a rotating shaft which is rotatably connected with the fixing plate is arranged at the longer end of the arc-shaped clamping plate.

As a preferred technical scheme of the utility model, two symmetrically arranged positioning screws are arranged at the shorter end of the arc-shaped clamping plate, grooves matched with the positioning screws are arranged on the side surfaces of the fixing plate corresponding to the positioning screws, and fastening nuts are connected to the side surfaces of the positioning screws in a threaded manner.

As a preferable technical scheme of the utility model, the middle part of the side surface of the fixing plate corresponding to the arc-shaped clamping plate is provided with a pressing plate.

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

1. according to the contact net suspension device disclosed by the utility model, the contact net is connected to the inner part of the arc-shaped clamping plate, the arc-shaped clamping plate is rotated around the rotating shaft, the arc-shaped clamping plate drives the positioning screw rod to rotate, the positioning screw rod is clamped and connected to the inner part of the groove, and at the moment, the pressing plate is matched with the arc-shaped clamping plate to press and fix the contact net; with fastening nut and positioning screw threaded connection, and screw up fastening nut in-process, the space between clamp plate and the arc splint diminishes to improve the fixed effect of contact net.

2. According to the contact net suspension device disclosed by the utility model, the annular plate is in threaded connection with the sleeve, the sleeve is in contact with the nut, and the friction force between the sleeve and the nut is increased, so that the nut and the annular plate cannot rotate relatively; the adjusting screw rod is rotated, rotates in the nut and moves along the central axis of the nut, so that the length of the adjusting screw rod exposed outside the sleeve is adjusted, the effective length of the telescopic rod formed by the sleeve and the adjusting screw rod is adjusted, and the length of the hanger string is conveniently adjusted and controlled.

3. According to the contact net suspension device disclosed by the utility model, when the dropper needs to be adjusted to the shortest state, the main connecting screw rod is kept in threaded connection with the corresponding thread groove, the auxiliary connecting screw rod is in threaded connection with the corresponding thread groove, then the sleeve is in threaded connection with the annular plate, and the annular plate and the sleeve are fixed on the adjusting screw rod for later use, so that the whole device can be conveniently recycled and reused.

4. The contact net suspension device disclosed by the utility model is convenient to install, can be used for accurately adjusting the length of the hanger according to the suspension requirement, is wide in adjustment range, does not need to be cut, reduces the waste, can improve the working efficiency, can be used for recycling and reusing the hanger, and is simple to operate and convenient to use.

Drawings

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

FIG. 2 is a left side view of the structure of FIG. 1;

fig. 3 is a schematic structural view of the wire clamp of the present invention.

In the figure: the device comprises a sleeve 1, an external thread 2, an adjusting screw rod 3, a thread groove 31, a nut 4, a ring-shaped plate 41, an internal thread 42, a main traction rope 5, a fixing ring 51, a main connecting screw rod 52, a limiting nut 53, an auxiliary traction rope 6, an auxiliary connecting screw rod 61, a fixing plate 7, a rotating shaft 71, a groove 72, a pressing plate 73, an arc-shaped clamping plate 8, a fastening nut 81, a positioning screw rod 82 and a through hole 9.

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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a contact net suspension device comprises a sleeve 1 and an adjusting screw rod 3, wherein external threads 2 are arranged at two ends of the outer periphery of the sleeve 1, a nut 4 is in threaded connection with the outer periphery of the adjusting screw rod 3, an annular plate 41 is rotatably arranged on the outer periphery of the nut 4, internal threads 42 matched with the external threads 2 are arranged on the inner side surface of the annular plate 41, the annular plate 41 is in threaded connection with the sleeve 1, the sleeve 1 is in contact with the nut 4, the friction force between the sleeve 1 and the nut 4 is increased, and therefore the nut 4 and the annular plate 41 cannot rotate relatively; the adjusting screw rod 3 is rotated, the adjusting screw rod 3 rotates inside the nut 4 and moves along the central axis of the nut 4, so that the length of the adjusting screw rod 3 exposed outside the sleeve 1 is adjusted, the effective length of the telescopic rod formed by the sleeve 1 and the adjusting screw rod 3 is adjusted, and the length of the hanger string is conveniently adjusted and controlled.

A main traction rope 5 is movably arranged in the sleeve 1, one end of the main traction rope 5, which is far away from the adjusting screw rod 3, movably penetrates through the sleeve 1, a fixing ring 51 is arranged at one end of the main traction rope 5, which is far away from the adjusting screw rod 3, an auxiliary traction rope 6 is arranged at one end of the adjusting screw rod 3, both ends of the adjusting screw rod 3 are provided with thread grooves 31, one end of the main traction rope 5, which is close to the adjusting screw rod 3, is provided with a main connecting screw rod 52, one end of the auxiliary traction rope 6, which is close to the adjusting screw rod 3, is provided with an auxiliary connecting screw rod 61, the auxiliary connecting screw rod 61 is in threaded connection with the thread groove 31 at one end of the adjusting screw rod 3, the main connecting screw rod 52 and the auxiliary connecting screw rod 61 are equal in size, when the dropper needs to be adjusted to the shortest state, the main connecting screw rod 52 is in threaded connection with the corresponding thread groove 31, the auxiliary connecting screw rod 61 is in threaded connection with the corresponding thread groove 31, and then the sleeve 1 is in threaded connection with the annular plate 41, the annular plate 41 and the sleeve 1 are now fixed to the adjusting screw 3 for later use, so as to facilitate subsequent recycling and reuse of the entire device.

The periphery side threaded connection of main connecting screw 52 has stop nut 53, and the one end that adjusting screw 3 was kept away from to sleeve 1 is seted up the through-hole 9 that makes main haulage rope 5 pass, and the diameter of main connecting screw 52 is less than the diameter of through-hole 9, and stop nut 53's outer axle diameter is greater than the diameter of through-hole 9, and stop nut 53 can play limiting displacement to main connecting screw 52 to inside with main connecting screw 52 joint to sleeve 1.

The one end that adjusting screw 3 was kept away from to vice haulage rope 6 is equipped with fixed plate 7, be equipped with the fastener on fixed plate 7, the fastener includes arc splint 8, the longer one end of arc splint 8 is equipped with rotates pivot 71 of being connected with fixed plate 7, the side middle part that fixed plate 7 and arc splint 8 correspond is equipped with clamp plate 73, it is inside to receive arc splint 8 with the contact network card, it rotates arc splint 8 to revolute pivot 71, arc splint 8 drives positioning screw 82 and rotates, and make positioning screw 82 joint to recess 72 inside, clamp plate 73 cooperation arc splint 8 press down fixedly to the contact network this moment.

The shorter one end of arc splint 8 is equipped with the positioning screw 82 that two symmetries set up, and the side that fixed plate 7 corresponds with positioning screw 82 is equipped with the recess 72 with positioning screw 82 adaptation, and positioning screw 82's side threaded connection has fastening nut 81, with fastening nut 81 and positioning screw 82 threaded connection, and screws up fastening nut 81 in-process, and the space diminishes between clamp plate 73 and the arc splint 8 to improve the fixed effect of contact net.

Whole contact net linkage, simple to operate can carry out accurate regulation to the length of dropper as hanging needs, and accommodation is wide, need not to cut to reduce extravagantly, can also improve work efficiency, and the dropper can be retrieved and reuse, easy operation, convenient to use.

When in use:

fixing the fixed ring 51 on the anchor binder clamp at the center of the external carrier cable, and connecting the contact network card into the arc-shaped clamp plate 8;

rotating the arc-shaped clamping plate 8 around the rotating shaft 71, wherein the arc-shaped clamping plate 8 drives the positioning screw 82 to rotate, the positioning screw 82 is clamped in the groove 72, and the pressing plate 73 is matched with the arc-shaped clamping plate 8 to press and fix the contact net;

the fastening nut 81 is in threaded connection with the positioning screw 82, and in the process of screwing the fastening nut 81, the gap between the pressing plate 73 and the arc-shaped clamping plate 8 is reduced, so that the fixing effect of the contact net is improved;

when the hanger needs to be adjusted to be longer, the main connecting screw rod 52 is kept to be separated from the corresponding thread groove 31, and the main connecting screw rod 52 is in threaded connection with the limiting nut 53; and the auxiliary connecting screw 61 is screwed with the corresponding thread groove 31;

the annular plate 41 is in threaded connection with the sleeve 1, the sleeve 1 is in contact with the nut 4, the friction force between the sleeve 1 and the nut 4 is increased, and therefore the nut 4 and the annular plate 41 cannot rotate relatively;

the adjusting screw rod 3 is rotated, the adjusting screw rod 3 rotates in the nut 4 and moves along the central axis of the nut 4, so that the length of the adjusting screw rod 3 exposed outside the sleeve 1 is adjusted, the dropper is in a tightened state, and the limiting nut 53 is in contact with one end, far away from the adjusting screw rod 3, in the sleeve 1;

when the hanger needs to be adjusted to the shortest state, the main connecting screw rod 52 is kept in threaded connection with the corresponding thread groove 31, the auxiliary connecting screw rod 61 is in threaded connection with the corresponding thread groove 31, then the sleeve 1 is in threaded connection with the annular plate 41, and the annular plate 41 and the sleeve 1 are fixed on the adjusting screw rod 3 for standby at the moment so as to facilitate subsequent recovery and reuse of the whole device.

The utility model has convenient installation, can accurately adjust the length of the hanger according to the hanging requirement, has wide adjusting range, does not need shearing, thereby reducing waste, improving the working efficiency, and the hanger can be recovered and reused, and has simple operation and convenient use.

The parts which are not disclosed in the utility model are all the prior art, and the specific structure, the materials and the working principle are not detailed. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a contact net linkage, includes sleeve (1) and adjusting screw (3), its characterized in that: external threads (2) are arranged at two ends of the outer periphery of the sleeve (1), a nut (4) is connected to the outer periphery of the adjusting screw (3) in a threaded mode, an annular plate (41) is rotatably arranged on the outer periphery of the nut (4), and internal threads (42) matched with the external threads (2) are arranged on the inner side face of the annular plate (41);

the inside movable mounting of sleeve (1) has main haulage rope (5), the one end activity that adjusting screw (3) were kept away from in main haulage rope (5) runs through sleeve (1), and the one end that adjusting screw (3) were kept away from in main haulage rope (5) is equipped with solid fixed ring (51), the one end that sleeve (1) was kept away from in adjusting screw (3) is installed vice haulage rope (6), the one end that adjusting screw (3) were kept away from in vice haulage rope (6) is equipped with fixed plate (7), be equipped with the fastener on fixed plate (7).

2. The catenary suspension of claim 1, wherein: thread groove (31) have all been seted up at the both ends of adjusting screw (3), the one end that main haulage rope (5) are close to adjusting screw (3) is equipped with main connecting screw (52), and the one end that vice haulage rope (6) are close to adjusting screw (3) is equipped with vice connecting screw (61), vice connecting screw (61) and thread groove (31) threaded connection of adjusting screw (3) one end, and main connecting screw (52) and vice connecting screw (61) equidimension.

3. The catenary suspension of claim 2, wherein: the outer periphery side threaded connection of main connecting screw (52) has stop nut (53), through-hole (9) that make main haulage rope (5) pass are seted up to the one end that adjusting screw (3) were kept away from in sleeve (1), the diameter of the axle diameter of main connecting screw (52) is less than the diameter of through-hole (9), the diameter that the outer axle diameter of stop nut (53) is greater than through-hole (9).

4. The catenary suspension of claim 1, wherein: the fastener includes arc splint (8), the longer one end of arc splint (8) is equipped with pivot (71) of being connected with fixed plate (7) rotation.

5. The catenary suspension of claim 4, wherein: arc splint (8) are equipped with positioning screw (82) that two symmetries set up for short one end, fixed plate (7) are equipped with recess (72) with positioning screw (82) adaptation with the side that positioning screw (82) correspond, and the side threaded connection of positioning screw (82) has fastening nut (81).

6. The catenary suspension of claim 5, wherein: and a pressing plate (73) is arranged in the middle of the side surface of the fixing plate (7) corresponding to the arc-shaped clamping plate (8).