CN219382259U - Wear-resistant crimping device for integral hanger - Google Patents

Abstract

The utility model relates to the technical field of integral hanging strings, and discloses an integral hanging string anti-abrasion crimping device, which comprises a crimping copper pipe, wherein a nest is embedded in the crimping copper pipe; the end part of the nest is provided with a plurality of channels for the stranded wires to penetrate; an isolation structure is arranged in the nest and used for isolating a plurality of channels and avoiding contact between stranded wires. According to the utility model, the nylon nesting is embedded in the crimping copper pipe, so that direct contact between wires is avoided under the structural action of the inner wall in the whole dropper vibration process, the nesting rubs with stranded wires, the nesting is made of nylon, the self-lubricating property is good, and the dropper failure caused by wire abrasion can be effectively avoided due to softer texture. Simultaneously, the cambered surface structure is adopted, so that the stranded wires can be prevented from being directly contacted with the crimping copper pipe to prevent abrasion. Therefore, the problems that the two-wire contact point, the wire rod and the crimping pipe contact point are extremely easy to wear in the vibration process to cause strand breakage failure are solved.

Description

Wear-resistant crimping device for integral hanger

Technical Field

The utility model relates to the technical field of integral hanging strings, in particular to an integral hanging string wear-resistant crimping device.

Background

The high-speed railway contact net is equipment for ensuring railway transportation safety, and the integral hanger is one of important components of a contact net system, is arranged between a carrier rope and a contact line and is used for correcting a contact suspension point, improving the relaxation degree and the elasticity uniformity of the contact line, adjusting the structural height of contact suspension and playing a role in a certain bearing capacity and carrying current. When the pantograph passes, the contact wire is continuously lifted and vibrated when the contact wire is in contact, and the whole dropper is lifted and bent along with the contact wire. Under the outdoor environment for a long time, the integral hanger for the electrified railway can be broken at the crimping part due to the vibration of the travelling crane, and the hanger wire is worn to break the wire and the strand. The main wearing and tearing department of traditional whole dropper is crimping pipe and stranded conductor junction, and traditional crimping pipe directly is crimping and is contacted with the copper stranded conductor, and the wearing and tearing point at this junction is: the two-wire contact point, the wire rod and the crimping pipe contact point (as shown in fig. 1 and 2) are extremely easy to wear in the vibration process to cause strand breakage failure, so that an integral hanger anti-wear crimping device is urgently needed to solve the problem of easy damage.

Disclosure of Invention

The utility model aims to provide an anti-abrasion crimping device for an integral hanger, which aims to solve the problem that the integral hanger for an electrified railway is broken at a crimping position due to the vibration of a travelling crane under the long-time outdoor environment, and the wear of the hanger wire and the strand breakage are caused. The main wearing and tearing department of traditional whole dropper is crimping pipe and stranded conductor junction, and traditional crimping pipe directly is crimping and is contacted with the copper stranded conductor, and the impaired point at this junction is: the two-wire contact point, the wire rod and the crimping pipe contact point are extremely easy to generate abrasion in the vibration process, so that the problem of strand breakage failure is solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the integral hanger wear-resistant crimping device comprises a crimping copper pipe, wherein a nest is embedded in the crimping copper pipe;

the end part of the nest is provided with a plurality of channels for the stranded wires to penetrate; an isolation structure is arranged in the nest and used for isolating a plurality of channels and avoiding contact between stranded wires.

Preferably, the side of the channel is provided with a shrinkage structure which enables the pore diameter of the channel to be deformed and shrunk;

cambered surface structures are respectively arranged at two ends of the channel and used for avoiding damaging stranded wires through smooth transition;

an anti-falling structure is arranged on the outer side of the nest and used for preventing the nest from falling out of the lower part of the crimping copper pipe;

and the outer side part of the nest is provided with an anti-slip structure for increasing friction force between the outer wall of the nest and the inner wall of the crimping copper pipe.

Preferably, the nest comprises a sleeve;

the number of the channels is two, and the channels comprise a first through pipe orifice and a second through pipe orifice;

the first through pipe orifice and the second through pipe orifice are both arranged at the end part of the sleeve body;

the shrinkage structure comprises shrinkage openings, the sides of the first through pipe opening and the second through pipe opening are provided with shrinkage openings, and the two shrinkage openings are positioned on the same side of the sleeve body.

Preferably, the cambered surface structure comprises a first cambered surface and a second cambered surface, the first cambered surfaces are arranged at the pipe orifices at one side of the first through pipe orifice and the second through pipe orifice, and the second cambered surfaces are arranged at the pipe orifices at the other side of the first through pipe orifice and the second through pipe orifice.

Preferably, the anti-falling structure comprises an outer boss, and the outer boss is fixed at one side end part of the sleeve body.

Preferably, the anti-slip structure comprises a raised member.

Preferably, the convex parts comprise a plurality of convex rings which are uniformly distributed on the outer side of the sleeve body; the isolation structure comprises an inner wall, and the inner wall is arranged between the first through pipe orifice and the second through pipe orifice.

Preferably, a nested pipe orifice for nesting insertion is formed at the end part of the crimping copper pipe; the sleeve body is made of a material with good self-lubricating property and softer texture, so that strand wear can be effectively avoided; the sleeve body is embedded in the nested pipe orifice.

Preferably, the sleeve body is made of nylon materials.

In addition, the utility model also provides a use method of the integral hanger wear-resistant crimping device, which comprises the following steps:

s1, checking whether a crimping copper pipe, a nesting and a stranded wire are damaged, and if so, replacing a new undamaged part;

s2, enabling the stranded wires to pass through the first pipe opening and the second pipe opening in sequence, and then enabling the stranded wires to pass through the nested pipe openings;

and S3, sleeving the crimping copper pipe on the outer side of the nest.

Compared with the prior art, the technical scheme provided by the utility model has the following technical effects:

according to the utility model, the nylon nesting is embedded in the crimping copper pipe, so that direct contact between wires is avoided under the structural action of the inner wall in the whole dropper vibration process, the nesting rubs with stranded wires, the nesting is made of nylon, the self-lubricating property is good, and the dropper failure caused by wire abrasion can be effectively avoided due to softer texture. Simultaneously, the cambered surface structure is adopted, so that the stranded wires can be prevented from being directly contacted with the crimping copper pipe to prevent abrasion. Therefore, the problems that the two-wire contact point, the wire rod and the crimping pipe contact point are extremely easy to wear in the vibration process to cause strand breakage failure are solved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a conventional crimp tube and strand connection;

FIG. 2 is a schematic view of the wear points at the junction of a conventional crimp tube and a stranded wire;

FIG. 3 is a schematic diagram of the structure of the present utility model;

FIG. 4 is a schematic view of a front cross-sectional structure of the present utility model;

FIG. 5 is a schematic illustration of a nested and twisted wire connection configuration of the present utility model;

FIG. 6 is a perspective view of a nested and twisted wire connection state of the present utility model;

FIG. 7 is a schematic view of a crimp copper tube and nested connection structure of the present utility model;

FIG. 8 is a schematic cross-sectional view of a crimp copper tube and a nest connection state according to the present utility model;

FIG. 9 is a schematic view of the nested front structure of the present utility model;

FIG. 10 is a schematic view of the nested backside structure of the present utility model;

FIG. 11 is a schematic view of a crimp copper tube according to the present utility model;

FIG. 12 is a schematic top view of a crimp copper tube and nest connection of the present utility model;

FIG. 13 is a schematic view showing the bottom view of the connection state of the crimping copper pipe and the nest of the utility model;

FIG. 14 is a schematic view of the front view structure of the convex ring of the present utility model employing a convex shape with an arc-shaped surface;

fig. 15 is a schematic view of a back view structure of a convex ring of the present utility model using a convex shape with an arc-shaped surface.

Reference numerals illustrate: 1. crimping the copper pipe; 2. nesting; 3. stranded wire; 4. a heart-shaped thimble; 5. a conventional crimp tube; 101. nesting pipe orifices; 201. a sleeve body; 202. the first pipe opening; 203. a second vent port; 204. an outer boss; 205. a convex ring; 206. a shrinking opening; 207. a first arc surface; 208. a second arc surface; 209. an inner wall.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "first," "second," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate an orientation or positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of a plurality of "a number" is two or more, unless explicitly defined otherwise.

It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the scope of the present disclosure, since any structural modifications, proportional changes, or dimensional adjustments made by those skilled in the art should not be made in the present disclosure without affecting the efficacy or achievement of the present disclosure.

Under the outdoor environment for a long time, the integral hanger for the electrified railway can be broken at the crimping part due to the vibration of the travelling crane, and the hanger wire is worn to break the wire and the strand. The main wearing and tearing department of traditional whole dropper is crimping pipe and stranded conductor junction, and traditional crimping pipe directly is crimping and is contacted with the copper stranded conductor, and the impaired point at this junction is: the two-wire contact point, the wire rod and the crimping pipe contact point are extremely easy to wear in the vibration process to cause strand breakage failure. In order to solve the problem that the damaged point of the whole dropper is easy to damage, the embodiment adopts the following technical scheme:

example 1

Referring to fig. 3-13, the present utility model provides a technical solution: the integral hanger wear-resistant crimping device comprises a crimping copper pipe 1, wherein a nest 2 is embedded in the crimping copper pipe 1;

the end part of the nest 2 is provided with a plurality of channels for the stranded wires 3 to penetrate; the stranded wire 3 adopts a soft copper stranded wire, and the channel is used for penetrating the soft copper stranded wire.

The side of the channel is provided with a contraction structure which enables the aperture to deform and contract; when the compression joint copper pipe 1 receives extrusion deformation, the copper pipe is contracted under extrusion to enable the nesting to tightly hold the stranded wire 3.

Cambered surface structures are respectively arranged at two ends of the channel and are used for avoiding damaging the stranded wires 3 through smooth transition;

the outer side of the nest 2 is provided with an anti-falling structure for preventing the nest 2 from falling out of the lower part of the crimping copper pipe 1; can be supported on the crimping copper pipe 1 to prevent the nest 2 from falling out from the lower part.

An anti-slip structure is arranged at the outer side part of the nest 2 and used for increasing friction force between the outer wall of the nest 2 and the inner wall of the crimping copper pipe 1; after the compression joint copper pipe 1 is contracted, the contact area between the inside of the compression joint copper pipe 1 and the nest 2 is reduced, the friction force is increased, and the anti-drop effect is achieved;

an isolation structure is arranged in the nest 2 and used for isolating a plurality of channels and avoiding contact between stranded wires 3. The nest 2 and the isolation structure are integrated into a whole, so that the structural stability can be enhanced.

After the stranded wire 3 passes through the channel, a heart-shaped caulking ring 4 is embedded, and then the crimping copper pipe 1 is sleeved on the nest 2, and whether the copper pipe is installed in place or not is checked.

Example 2

Referring to fig. 3-13, the present embodiment 2 is different from embodiment 1 in that: the end part of the crimping copper pipe 1 is provided with a nesting pipe orifice 101 for inserting a nesting 2; nest 2 includes a sleeve 201; the number of the channels is two, and the channels comprise a first through pipe orifice 202 and a second through pipe orifice 203; the first through pipe orifice 202 and the second through pipe orifice 203 are arranged in a circular shape, and the first through pipe orifice 202 and the second through pipe orifice 203 are both arranged at the end part of the sleeve body 201. The contraction structure comprises contraction openings 206, the side sides of the first through pipe opening 202 and the second through pipe opening 203 are respectively provided with the contraction openings 206, and the two contraction openings 206 are positioned on the same side of the sleeve body 201.

The cambered surface structure comprises a first cambered surface 207 and a second cambered surface 208, the first cambered surface 207 and the second cambered surface 208 are arc-shaped smooth surfaces, the first cambered surface 207 is arranged at the pipe orifice of one side of the first pipe orifice 202 and the second pipe orifice 203, and the second cambered surface 208 is arranged at the pipe orifice of the other side of the first pipe orifice 202 and the second pipe orifice 203.

The anti-disengagement structure includes an outer boss 204, and the outer boss 204 is fixed to one side end of the sleeve 201. The shape of the outer boss 204 is the same as the shape of the end of the crimping copper pipe 1, but the corresponding dimension of the outer edge of the outer boss 204 is larger than the corresponding dimension of the end of the crimping copper pipe 1, so that the outer boss 204 can be prevented from being inserted into the nested pipe orifice 101.

The anti-slip structure includes a raised member; the purpose of the raised elements is to increase friction with the nest 2, and the shape may be a combination of one or more shapes.

Wherein, the protruding parts comprise protruding rings 205, and the protruding rings 205 are arranged in a plurality and evenly distributed on the outer side of the sleeve 201. Friction between the crimping copper pipe 1 and the nest 2 can be improved.

The structure of the convex ring 205 may take a variety of shapes;

for example:

referring to fig. 9 and 10, the convex ring 205 has a square bar-like convex shape;

referring to fig. 14 and 15, the structure of the convex ring 205 adopts a convex shape whose surface is an arc shape;

also for example, the raised ring 205 may be formed with wavy protrusions, columnar protrusions, etc., to increase friction with the nest 2.

The isolation structure includes an inner wall 209, the inner wall 209 being disposed between the first and second vent nozzles 202, 203. The inner wall 209 is spaced apart from the first and second ports 202 and 203.

The sleeve 201 is made of a soft material with good self-lubricating property, so that the abrasion of the stranded wire 3 can be effectively avoided; the sleeve 201 is embedded within the nesting nozzle 101. The preferred material is that the sleeve 201 be made of nylon material.

After inserting the stranded wire 3 into the first through pipe orifice 202 and the second through pipe orifice 203, passing the stranded wire 3 through the crimping copper pipe 1, embedding the heart-shaped caulking ring 4 on the stranded wire 3, sleeving the crimping copper pipe 1 on the outer side of the nest 2, and extruding the nest 2 by the crimping copper pipe 1 due to the existence of the shrinkage orifice 206, so that the apertures of the first through pipe orifice 202 and the second through pipe orifice 203 shrink, thereby tightly holding the stranded wire 3; under the action of the convex ring 205, the friction between the crimping copper pipe 1 and the nest 2 is increased, and the anti-drop capability is improved; under the smooth transition of the first arc surface 207 and the second arc surface 208, the contact of the stranded wire 3 and the crimping copper pipe 1 can be prevented from being worn; in addition, the stranded wires 3 are isolated by the inner wall 209, so that direct contact between wires can be avoided, and abrasion is avoided; the nest 2 is made of nylon materials, and the nest 2 made of nylon materials has good self-lubricating property and softer texture, so that hanger failure caused by wire abrasion can be effectively avoided.

In addition, the utility model also provides a use method of the integral hanger wear-resistant crimping device, which comprises the following steps:

s1, checking whether the crimping copper pipe 1, the nesting 2 and the stranded wire 3 are damaged, and if so, replacing a new undamaged part;

s2, after the stranded wire 3 sequentially passes through the first through pipe orifice 202 and the second through pipe orifice 203, the stranded wire 3 passes through the nested pipe orifice 101;

and S3, sleeving the crimping copper pipe 1 outside the nest 2.

In summary, the nylon nested 2 is embedded in the crimping copper pipe 1, so that direct contact between wires is avoided under the structural action of the inner wall 209 in the whole dropper vibration process, the nested 2 and the stranded wires 3 are rubbed, the nested 2 is made of nylon, the self-lubricating property is good, and dropper failure caused by abrasion of the wires can be effectively avoided due to softer texture. Simultaneously, the cambered surface structure is adopted, so that the stranded wires 3 can be prevented from being in direct contact with the crimping copper pipe 1 to prevent abrasion. Therefore, the problems that the two-wire contact point, the wire rod and the crimping pipe contact point are extremely easy to wear in the vibration process to cause strand breakage failure are solved.

Thus, embodiments of the present utility model have been described in detail with reference to the accompanying drawings. It should be noted that, in the drawings or the text of the specification, implementations not shown or described are all forms known to those of ordinary skill in the art, and not described in detail. Furthermore, the above definitions of the components are not limited to the specific structures, shapes or modes mentioned in the embodiments, and may be simply modified or replaced by those of ordinary skill in the art.

Those skilled in the art will appreciate that the features recited in the various embodiments of the utility model and/or in the claims may be combined in various combinations and/or combinations, even if such combinations or combinations are not explicitly recited in the utility model. In particular, the features recited in the various embodiments of the utility model and/or in the claims can be combined in various combinations and/or combinations without departing from the spirit and teachings of the utility model. All such combinations and/or combinations fall within the scope of the utility model.

The foregoing embodiments have been provided for the purpose of illustrating the general principles of the present utility model, and are not meant to limit the scope of the utility model, but to limit the utility model thereto.

Claims (9)

1. The utility model provides an integral dropper abrasionproof crimping device, includes crimping copper pipe (1), its characterized in that: a nest (2) is embedded in the crimping copper pipe (1);

the end part of the nest (2) is provided with a plurality of channels for the stranded wires (3) to penetrate; an isolation structure is arranged in the nest (2) and used for isolating a plurality of channels and avoiding contact between stranded wires (3).

2. The integral hanger anti-wear crimping device of claim 1, wherein: the side of the channel is provided with a contraction structure which enables the aperture to deform and contract;

cambered surface structures are respectively arranged at two ends of the channel and used for avoiding damaging the stranded wires (3) through smooth transition;

an anti-falling structure is arranged on the outer side of the nest (2) and used for preventing the nest (2) from falling out of the lower part of the crimping copper pipe (1);

the outer side part of the nest (2) is provided with an anti-slip structure for increasing friction force between the outer wall of the nest (2) and the inner wall of the crimping copper pipe (1).

3. The integral hanger anti-wear crimping device of claim 2, wherein:

the nest (2) comprises a sleeve body (201);

the number of the channels is two, and the channels comprise a first through pipe orifice (202) and a second through pipe orifice (203);

the first through pipe orifice (202) and the second through pipe orifice (203) are both arranged at the end part of the sleeve body (201);

the shrinkage structure comprises shrinkage openings (206), the sides of the first through pipe opening (202) and the second through pipe opening (203) are provided with the shrinkage openings (206), and the two shrinkage openings (206) are positioned on the same side of the sleeve body (201).

4. The integral hanger anti-wear crimping device of claim 3, wherein: the cambered surface structure comprises a first cambered surface (207) and a second cambered surface (208), the first cambered surface (207) is arranged at the pipe orifice of one side of the first pipe orifice (202) and the pipe orifice of one side of the second pipe orifice (203), and the second cambered surface (208) is arranged at the pipe orifice of the other side of the first pipe orifice (202) and the second pipe orifice (203).

5. The integral hanger anti-wear crimping device of claim 4, wherein: the anti-falling structure comprises an outer boss (204), and the outer boss (204) is fixed at one side end part of the sleeve body (201).

6. The integral hanger anti-wear crimping device of claim 5, wherein: the non-slip structure includes a raised feature.

7. The integral hanger anti-wear crimping device of claim 6, wherein: the convex parts comprise convex rings (205), and the convex rings (205) are arranged in a plurality and are uniformly distributed on the outer side of the sleeve body (201); the isolation structure comprises an inner wall (209), the inner wall (209) being arranged between the first through nozzle (202) and the second through nozzle (203).

8. The integral hanger anti-wear crimping device of claim 7, wherein: a nested pipe orifice (101) for inserting the nest (2) is formed at the end part of the crimping copper pipe (1); the sleeve body (201) is made of a material with good self-lubricating property and softer texture, so that abrasion of the stranded wires (3) can be effectively avoided; the sleeve body (201) is embedded in the nested pipe orifice (101).

9. The integral hanger anti-wear crimping device of claim 8, wherein: the sleeve body (201) is made of nylon materials.