CN207393702U - A kind of drag-line - Google Patents

Abstract

The utility model discloses a kind of drag-line and its protecting pipe of wound form, the wire of wound form is embedded between the inner and outer wall of the wound form protecting pipe, the wire is in spiral distribution along the length direction of the protecting pipe.Wire is spirally distributed between the inner and outer wall of wound form protecting pipe, when such wound form protecting pipe turns round, it need to only exert a force to a few circle wires of corner, it is not necessary to exert a force again to more one metal wires, therefore turning radius is smaller when wound form protecting pipe turns round, and flexible more preferable.

Description

A kind of drag-line

Technical field

The utility model is related to drag-line technical field, more specifically to a kind of drag-line.

Background technology

In the prior art, the protecting pipe of drag-line is vertical hair protecting pipe, i.e. the inside of protecting pipe is axially provided with more Steel wire, more steel wires are evenly distributed with along the circumferential direction of protecting pipe, and the length of steel wire is set along sheath length of tube.Protecting pipe is molded When, more steel wire shapings are between the inside and outside wall of protecting pipe.The steel wire penetrating protecting pipe of drag-line.

However, the length of more steel wires is set along sheath length of tube, more steel wires are required to when protecting pipe needs to turn round Turn round, cause vertical hair protecting pipe turn round when turning radius it is larger, vertical hair protecting pipe flexibility it is smaller, drag-line can not be met to flexibility Requirement, when parking drag-line cannot run freely and catching phenomenon often occur.

It is current people in the art in conclusion how to effectively improve the flexible to reduce turning radius of protecting pipe Member's urgent problem.

Utility model content

In view of this, first of the utility model is designed to provide a kind of wound form protecting pipe, the wound form sheath The structure design of pipe can effectively improve the flexibility of protecting pipe to reduce turning radius, and second purpose of the utility model is A kind of drag-line for including above-mentioned wound form protecting pipe is provided.

In order to reach above-mentioned first purpose, the utility model provides following technical solution：

A kind of wound form protecting pipe is embedded with the wire of wound form between the inner and outer wall of the wound form protecting pipe, The wire is in spiral distribution along the length direction of the protecting pipe.

Preferably, in above-mentioned wound form protecting pipe, the wire is steel wire.

Preferably, in above-mentioned wound form protecting pipe, the wire is integrated plastic shaping with the wound form protecting pipe.

A kind of drag-line, including multiple sequentially connected segmentation drag-lines, and at least one segmentation drag-line is as in above-mentioned Any one of them wound form protecting pipe, adjacent two sections segmentation drag-lines between connected by connector.

Preferably, in above-mentioned drag-line, at least one segmentation drag-line is vertical hair formula protecting pipe.

Preferably, in above-mentioned drag-line, the connector includes screwed pipe and swivel nut, and the outer wall of the screwed pipe and the swivel nut Inner thread coordinates, and the first end of screwed pipe can be fixedly connected with the end of a protecting pipe, and the second end of screwed pipe stretches into In the swivel nut；

The first end of the swivel nut can be fixedly connected with the end of protecting pipe another described, and the second end of swivel nut is opened Mouthful.

Preferably, in above-mentioned drag-line, locking nut is provided on the outer wall of the second end of the swivel nut.

Preferably, in above-mentioned drag-line, the first end of screwed pipe can be riveted with the end of a protecting pipe, the swivel nut First end can be with the end axially position of protecting pipe another described.

The wire of wound form, wire are embedded between the inner and outer wall of wound form protecting pipe provided by the utility model It is in spiral distribution along the length direction of protecting pipe.I.e. wire is integrally spirally distributed, the length side of helical metal wire To the length direction setting along wound form protecting pipe, helical metal wire is wound around the axis of wound form protecting pipe.

In the structure of wound form protecting pipe provided by the utility model, wire is in the inner and outer wall of wound form protecting pipe Between be spirally distributed, when such wound form protecting pipe turns round, need to only exert a force to a few circle wires of corner, it is not necessary to It exerts a force again to more one metal wires, therefore turning radius is smaller during the turn of wound form protecting pipe, and it is flexible more preferable.

In order to reach above-mentioned second purpose, the utility model additionally provides a kind of drag-line, which includes any of the above-described Kind wound form protecting pipe.Since above-mentioned wound form protecting pipe has above-mentioned technique effect, the drawing with the wound form protecting pipe Rope should also have corresponding technique effect.

Description of the drawings

It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it can also be obtained according to these attached drawings other attached drawings.

Fig. 1 is the structure diagram for the drag-line that the utility model embodiment provides；

Fig. 2 is a kind of structure diagram of the state for the connector that the utility model embodiment provides；

Fig. 3 is the structure diagram of another state for the connector that the utility model embodiment provides.

In fig. 1-3：

1- vertical hair formulas protecting pipe, 2- connectors, 2a- screwed pipes, 2b- swivel nuts, 2b1- locking nuts, 3- wound forms protecting pipe, A- Protecting pipe.

Specific embodiment

First of the utility model is designed to provide a kind of wound form protecting pipe, and the structure of the wound form protecting pipe is set Meter can effectively improve the flexibility of protecting pipe to reduce turning radius, and second purpose of the utility model is to provide a kind of bag Include the drag-line of above-mentioned wound form protecting pipe.

The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work All other embodiments obtained shall fall within the protection scope of the present invention.

- Fig. 3 is please referred to Fig.1, is embedded between the inner and outer wall for the wound form protecting pipe that the utility model embodiment provides The wire of wound form, wire are in spiral distribution along the length direction of protecting pipe.I.e. wire is integrally spirally distributed, The length direction of helical metal wire is set along the length direction of wound form protecting pipe 3, and helical metal wire surrounds wound form The axis of protecting pipe 3 is wound.

In the structure of wound form protecting pipe 3 provided by the utility model, wire is in the inner wall of wound form protecting pipe 3 and outer It is spirally distributed between wall, when such wound form protecting pipe 3 turns round, need to only exert a force to a few circle wires of corner, It need not exert a force again to more one metal wires, therefore turning radius is smaller during the turn of wound form protecting pipe 3, and it is flexible more preferable.

Further, wire can be steel wire, and the toughness of steel wire is preferable.Certainly, wire or steel wire, herein It is not construed as limiting.

For the ease of processing and manufacturing, wherein wire is integrated plastic shaping with the wound form protecting pipe.

Based on the wound form protecting pipe 3 provided in above-described embodiment, the utility model additionally provides a kind of drag-line, the drag-line Including multiple sequentially connected segmentation drag-lines, and at least one segmentation drag-line is the wound form sheath as any one of above-mentioned Pipe 3, adjacent two sections segmentation drag-lines between connected by connector 2.The wound form in above-described embodiment is employed due to the drag-line Protecting pipe 3, so the flexibility of at least one segmentation drag-line of the drag-line is greatly improved.

Further, at least one segmentation drag-line is vertical hair formula protecting pipe 1.In this way, drag-line needs turn etc. will to flexibility Ask higher position that can use wound form protecting pipe 3, the position relatively low to flexibility requirements can select to use vertical hair formula protecting pipe 1, It requires to be not easy clamping stagnation during use so that drag-line is integrally more in line with.

In above-described embodiment, connector 2 includes screwed pipe 2a and swivel nut 2b, and the inner thread of the outer wall of screwed pipe 2a and swivel nut 2b Cooperation, the first end of screwed pipe 2a can be fixedly connected with the end of a protecting pipe A, and the second end of screwed pipe 2a is with thread connection Mode be screwed into swivel nut 2b.The first end of swivel nut 2b can be fixedly connected with the end of another protecting pipe A, swivel nut 2b's Second end opening.It relatively rotates to realize the first end of adjustment screwed pipe 2a and swivel nut 2b thus by screwed pipe 2a and swivel nut 2b is made The distance between first end, and then the whole length of connector 2 is realized, to realize the length of fine tuning drag-line.

Further, on the outer wall of the second end of swivel nut 2b and locking nut 2b1 is provided with, is set on the outer wall of screwed pipe 2a There is external screw thread, when locking nut 2b1 and swivel nut 2b is mutually locked, the second end of screwed pipe 2a just cannot be moved to swivel nut 2b is inboard again Dynamic, the length of connector 2 reaches minimum at this time.The steel wire rope of drag-line can pass through screwed pipe 2a and swivel nut 2b.

In addition, the first end of screwed pipe 2a can be riveted with the end of protecting pipe A, the first end of swivel nut 2b can with it is another One protecting pipe B axle, and can relative circumferential flexible motion to positioning.The connection to protecting pipe A and protecting pipe B is realized with this.

Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other The difference of embodiment, just to refer each other for identical similar portion between each embodiment.

The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or new using this practicality Type.A variety of modifications of these embodiments will be apparent for those skilled in the art, determine herein The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein The most wide scope consistent with features of novelty.

Claims (7)

1. a kind of drag-line, which is characterized in that including multiple sequentially connected segmentation drag-lines, and at least one segmentation drag-line is Wound form protecting pipe (3), adjacent two sections segmentation drag-lines between pass through connector (2) connect；

The wire of wound form is embedded between the inner and outer wall of the wound form protecting pipe (3), the wire is along described The length direction of protecting pipe is in spiral distribution.

2. drag-line according to claim 1, which is characterized in that the wire is steel wire.

3. drag-line according to claim 1, which is characterized in that the wire is one with the wound form protecting pipe (3) The plastic shaping of body.

4. drag-line according to claim 1, which is characterized in that at least one segmentation drag-line is vertical hair formula protecting pipe (1)。

5. drag-line according to claim 1, which is characterized in that the connector (2) includes screwed pipe (2a) and swivel nut (2b), and The outer wall of the screwed pipe (2a) and the inner thread of the swivel nut (2b) coordinate, the first end of screwed pipe (2a) can with described in one The end of protecting pipe is fixedly connected, and the second end of screwed pipe (2a) is stretched into the swivel nut (2b)；

The first end of the swivel nut (2b) can be fixedly connected with the end of protecting pipe another described, the second end of swivel nut (2b) Opening.

6. drag-line according to claim 5, which is characterized in that be provided with lock on the outer wall of the second end of the swivel nut (2b) Tight nut (2b1).

7. drag-line according to claim 5, which is characterized in that the first end of screwed pipe (2a) can be with a protecting pipe End riveting, the first end of the swivel nut (2b) can be with the end axially position of protecting pipe another described.