CN219017281U

CN219017281U - Stretch-proofing cable

Info

Publication number: CN219017281U
Application number: CN202222815501.8U
Authority: CN
Inventors: 马槽
Original assignee: Henan Jiapu Cable Co ltd
Current assignee: Henan Jiapu Cable Co ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-05-12
Anticipated expiration: 2032-10-25

Abstract

The utility model relates to the technical field of cables and discloses a stretch-proof cable which comprises a cable body, wherein an outer sheath is arranged on the outer wall of the cable body, a protective sleeve is sleeved on the outer wall of the outer sheath, an adsorption disc is fixedly arranged on the inner wall of the protective sleeve, the adsorption disc is attached to the outer sheath, a sleeve is arranged on the inner wall of the protective sleeve, a supporting tube is fixedly arranged at one end of the adsorption disc, the supporting tube is inserted into the protective sleeve, a piston is fixedly arranged at one end, far away from the adsorption disc, of the supporting tube, the piston is slidably arranged in the sleeve, the strength of the joint of the cable body is improved, the tensile effect of the cable body is improved, the cable body is not easy to deform and damage through protecting the outer ring of the outer sheath, and the service life of the cable body is prolonged.

Description

Stretch-proofing cable

Technical Field

The utility model relates to the technical field of cables, in particular to a stretch-proof cable.

Background

The cable is typically a rope-like cable stranded from several wires or groups of wires (at least two in each group), each group being insulated from each other and often twisted around a center, with a highly insulating coating over the entire outer surface. The cable has an inner energized, outer insulated feature.

Most outdoor or submarine use of cable, in order to increase its life, can do stretch-proofing, compressive protection machanism to the cable, patent number CN201820625725.3 proposes anti-torsion bending stretch-proofing cable, including two at least insulated conductor, outside the insulated conductor parcel inner liner of beam the outer parcel oversheath layer of inner liner with set up tensile shielding layer between the oversheath layer set up the prefabricated tensile packing of center between the insulated conductor.

In the application, the tensile layer is added on the material of the cable body, and in addition, as the number of composite layers of the cable is more, if the filling wrapping layer with tensile property is added, the dead weight of the cable is increased, the manufacturing cost and the carrying difficulty are also increased, the tensile improvement of the outer ring of the cable is insufficient, and the cable is inconvenient to use; thus, the existing demand is not met, for which we propose a stretch-resistant cable.

Disclosure of Invention

The utility model provides a stretch-proof cable, which has the advantages of high tensile property for the outer ring of the cable, lighter overall weight of the cable and convenience for long-term use, and solves the problems that the traditional cable in the background art is improved in self material, the dead weight of the cable is increased, the manufacturing cost and the carrying difficulty are increased, the tensile improvement for the outer ring of the cable is insufficient and the use is inconvenient.

The utility model provides the following technical scheme: the utility model provides a stretch-proofing cable, includes the cable body, install the oversheath on the outer wall of cable body, the lag has been cup jointed on the outer wall of oversheath, fixed mounting has the adsorption disc on the inner wall of lag, the adsorption disc is laminated with the oversheath mutually, install the sleeve on the inner wall of lag, the one end fixed mounting of adsorption disc has the stay tube, the stay tube alternates with the lag mutually, the one end fixed mounting that the adsorption disc was kept away from to the stay tube has the piston, piston slidable mounting is in the sleeve.

As an alternative to the stretch resistant electrical cable of the present utility model, wherein: the adsorption discs are arranged in a plurality, and the adsorption discs are distributed on the inner wall of the protective sleeve in an up-down alternating mode.

As an alternative to the stretch resistant electrical cable of the present utility model, wherein: and one end of the sleeve, which is far away from the adsorption disc, is provided with through holes, and the through holes corresponding to the sleeves are mutually communicated.

As an alternative to the stretch resistant electrical cable of the present utility model, wherein: the outer wall of the protective sleeve is provided with a vent pipe which is communicated with the through hole, and the vent pipe is provided with an air valve.

As an alternative to the stretch resistant electrical cable of the present utility model, wherein: the cable body comprises a tensile shielding layer and an armor layer arranged on the inner ring of the tensile shielding layer, an elastic buffer layer is arranged on the inner ring of the armor layer, an alkali-free glass fiber layer is arranged on the inner ring of the elastic buffer layer, and an electric conductor is arranged on the inner ring of the alkali-free glass fiber layer.

As an alternative to the stretch resistant electrical cable of the present utility model, wherein: the armor is a steel band layer, and the armor is formed by winding and braiding a plurality of steel bands.

As an alternative to the stretch resistant electrical cable of the present utility model, wherein: the tensile shielding layer is an aluminum foil layer, and the aluminum foil is wrapped outside the armor layer.

As an alternative to the stretch resistant electrical cable of the present utility model, wherein: the elastic buffer layer is an ABS resin layer, the inner wall of the elastic buffer layer is wavy, and the inner wall of the elastic buffer layer is attached to the outer wall of the alkali-free glass fiber layer.

The utility model has the following beneficial effects:

1. this stretch-proofing cable has increased the intensity on the cable body node through setting up a plurality of adsorption disks and lag, and the state of the cable body of here does not change, has increased cable body's tensile effect promptly, protects through the outer lane of oversheath, and cable body is difficult for deformation and damage, has increased cable body's life, under the effect of piston, and the stay tube has certain elasticity and elasticity, is convenient for cushion external striking, excellent in use effect.

2. This stretch-proofing cable, under the effect of through-hole, the atmospheric pressure in sleeve and the lag is unanimous, and during the use, utilizes the air pump to connect the breather pipe and bleeds to the lag, forms the negative pressure between adsorption disc and the oversheath, has consequently increased the adsorption strength of adsorption disc oversheath, and then has increased the pull resistance of cable body, forms the negative pressure after, closes air pump and pneumatic valve, can make the cable body use for a long time.

3. This stretch-proofing cable through setting up tensile shielding layer, armor, elasticity buffer layer and alkali-free glass fiber silk layer, on the basis of original composite cable body, has improved the material and the effect of composite layer, to the volume of cable body not too greatly increased, has kept original performance, has still increased the stretch-proofing effect of cable body, long service life.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

FIG. 2 is a schematic diagram of a protective jacket according to the present utility model.

FIG. 3 is a cross-sectional view of a protective sleeve of the present utility model.

FIG. 4 is a schematic view of the structure of the elastic buffer layer and alkali-free glass fiber yarn layer of the present utility model.

In the figure: 1. an outer sheath; 2. a protective sleeve; 21. an adsorption plate; 22. a sleeve; 23. a support tube; 24. a piston; 25. a through hole; 3. a cable body; 31. a tensile shielding layer; 32. an armor layer; 33. an elastic buffer layer; 34. an alkali-free glass fiber layer; 35. an electric conductor; 4. a vent pipe; 41. and an air valve.

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.

Example 1

This embodiment is intended to promote solving traditional cable and improves on self material, not only increased the dead weight of cable itself and still increased cost of manufacture and transport degree of difficulty, improve not enough to the tensile of cable outer lane, inconvenient use's problem, please refer to fig. 1-2, a stretch-proofing cable, including cable body 3, install oversheath 1 on the outer wall of cable body 3, cup joint lag 2 on the outer wall of oversheath 1, fixed mounting has adsorption disc 21 on the inner wall of lag 2, adsorption disc 21 is laminated with oversheath 1 mutually, install sleeve 22 on the inner wall of lag 2, adsorption disc 21's one end fixed mounting has stay tube 23, stay tube 23 alternates with lag 2 mutually, stay tube 23 keeps away from adsorption disc 21's one end fixed mounting has piston 24, piston 24 slidable mounting is in sleeve 22.

The outer wall of the outer sheath 1 is sleeved with the protective sleeves 2, the heights of the protective sleeves 2 are small, the burden is small, the protective sleeves 2 are provided with a plurality of protective sleeves, and the protective sleeves are convenient for protecting the plurality of positions of the outer sheath 1.

When the adsorption disc 21 is used, the adsorption disc is adsorbed on the outer sheath 1, the position of the support tube 23 in the sleeve 22 is adjusted according to the outer diameter of the outer sheath 1, namely, the piston 24 is far away from the outer sheath 1 when the diameter of the outer sheath 1 is larger, the piston 24 is in the process of being far away from the outer sheath 1, air in the sleeve 22 is discharged, the reverse thrust of the gas of the sleeve 22 reversely presses the piston 24, the support tube 23 and the adsorption disc 21, the bonding capacity of the adsorption disc 21 and the outer sheath 1 is improved, and the adsorption disc is fixed.

Through setting up a plurality of adsorption discs 21 and lag 2, increased the intensity on the 3 nodes of cable body, the state of the cable body 3 of here does not change, has increased the tensile effect of cable body 3 promptly, protects through the outer lane of oversheath 1, and cable body 3 is difficult for deformation and damage, has increased the life of cable body 3.

The adsorption disc 21 is provided with a plurality of, and a plurality of adsorption discs 21 are distributed on the inner wall of lag 2 from top to bottom alternately, and on same lag 2, there are adsorption disc 21 and oversheath 1 of two positions to contact and fix, have further increased the intensity of this node, wherein, under the effect of piston 24, stay tube 23 has certain elasticity and elasticity, is convenient for cushion external striking, excellent in use effect.

Example 2

The present embodiment is intended to facilitate solving the problem of how to increase the adsorption strength of the adsorption disc 21 to the outer sheath 1, and is an improvement made on the basis of embodiment 1, specifically, referring to fig. 1-3, one end of the sleeve 22 away from the adsorption disc 21 is provided with a through hole 25, the through holes 25 corresponding to the plurality of sleeves 22 are mutually communicated, and two ends of the support tube 23 are respectively communicated with the sleeve 22 and the adsorption disc 21.

The outer wall of the protective sleeve 2 is provided with a vent pipe 4, the vent pipe 4 is communicated with the through hole 25, and the vent pipe 4 is provided with a gas valve 41.

Under the effect of the through hole 25, the air pressure in the sleeve 22 is consistent with that in the protective sleeve 2, when in use, the air valve 41 is opened until a plurality of adsorption plates 21 are adsorbed on the outer sheath 1, then the protective sleeve 2 is pumped by the air pump through the breather pipe 4, so that negative pressure is presented in the sleeve 22 and the protective sleeve 2, and negative pressure is formed between the adsorption plates 21 and the outer sheath 1, therefore, the adsorption strength of the adsorption plates 21 on the outer sheath 1 is increased, the tensile property of the cable body 3 is further increased, and after the negative pressure is formed, the air pump and the air valve 41 are closed, so that the cable body 3 can be used for a long time.

Example 3

The present embodiment is intended to facilitate solving the problem of increasing the tensile resistance of the cable body 3 itself, and is an improvement made on the basis of embodiment 1, specifically, referring to fig. 1 and 4, the cable body 3 includes a tensile shield layer 31 and an armor layer 32 mounted on the inner periphery of the tensile shield layer 31, an elastic buffer layer 33 is mounted on the inner periphery of the armor layer 32, an alkali-free glass fiber layer 34 is mounted on the inner periphery of the elastic buffer layer 33, and an electric conductor 35 is mounted on the inner periphery of the alkali-free glass fiber layer 34.

Under the cooperation of the tensile shielding layer 31, the armor layer 32, the elastic buffer layer 33 and the alkali-free glass fiber layer 34, the protection capability of the cable body 3 is ensured.

The armor 32 is the steel tape layer, and the armor 32 is formed by winding and weaving a plurality of steel strips, has increased the resistant torsion ability of cable body 3, and tensile shielding layer 31 is the aluminium foil layer, and the aluminium foil parcel has increased the design effect of armor 32 outside armor 32, has still possessed certain shielding ability.

The elastic buffer layer 33 is an ABS resin layer, the inner wall of the elastic buffer layer 33 is wavy, the inner wall of the elastic buffer layer 33 is attached to the outer wall of the alkali-free glass fiber layer 34, the anti-skid and wear-resistant effects of the elastic buffer layer 33 and the alkali-free glass fiber layer 34 are guaranteed, the shapes of the elastic buffer layer 33 and the alkali-free glass fiber layer are not easy to change, and the anti-stretching effect is good.

Through setting up tensile shielding layer 31, armor 32, elasticity buffer layer 33 and alkali-free glass fiber silk layer 34, on the basis of original composite cable body 3, improved the material and the effect of composite layer, not too greatly increased to the volume of cable body 3, kept original performance, still increased the stretch-proofing effect of cable body 3, long service life.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims

1. Stretch-proof cable, including cable body (3), its characterized in that: install oversheath (1) on the outer wall of cable body (3), lag (2) have been cup jointed on the outer wall of oversheath (1), fixed mounting has adsorption disc (21) on the inner wall of lag (2), adsorption disc (21) laminate with oversheath (1) mutually, install sleeve (22) on the inner wall of lag (2), the one end fixed mounting of adsorption disc (21) has stay tube (23), stay tube (23) alternate with lag (2) mutually, the one end fixed mounting that absorption disc (21) was kept away from to stay tube (23) has piston (24), piston (24) slidable mounting is in sleeve (22).

2. A stretch-proof electrical cable according to claim 1, wherein: the adsorption plates (21) are arranged in a plurality, and the adsorption plates (21) are distributed on the inner wall of the protective sleeve (2) in an up-down alternating mode.

3. A stretch-proof electrical cable according to claim 2, wherein: one end of the sleeve (22) far away from the adsorption disc (21) is provided with a through hole (25), and the through holes (25) corresponding to the sleeves (22) are mutually communicated.

4. A stretch resistant electrical cable according to claim 3, wherein: the outer wall of the protective sleeve (2) is provided with a vent pipe (4), the vent pipe (4) is communicated with the through hole (25), and the vent pipe (4) is provided with an air valve (41).

5. A stretch-proof electrical cable according to claim 1, wherein: the cable body (3) comprises a tensile shielding layer (31) and an armor layer (32) arranged on the inner ring of the tensile shielding layer (31), an elastic buffer layer (33) is arranged on the inner ring of the armor layer (32), an alkali-free glass fiber layer (34) is arranged on the inner ring of the elastic buffer layer (33), and a conductor (35) is arranged on the inner ring of the alkali-free glass fiber layer (34).

6. A stretch-proof electrical cable according to claim 5, wherein: the armor (32) is a steel band layer, and the armor (32) is formed by winding and weaving a plurality of steel bands.

7. A stretch-proof electrical cable according to claim 6, wherein: the tensile shielding layer (31) is an aluminum foil layer, and the aluminum foil is wrapped outside the armor layer (32).

8. A stretch-proof electrical cable according to claim 7, wherein: the elastic buffer layer (33) is an ABS resin layer, the inner wall of the elastic buffer layer (33) is wavy, and the inner wall of the elastic buffer layer (33) is attached to the outer wall of the alkali-free glass fiber layer (34).