CN217822114U

CN217822114U - High-abrasion-resistance ultrahigh-tensile-strength flexible flat cable for outdoor reel

Info

Publication number: CN217822114U
Application number: CN202221410527.8U
Authority: CN
Inventors: 郑建勋; 郑德琛
Original assignee: Shanghai Xinyuan Electric Wire & Cable Co ltd
Current assignee: Shanghai Xinyuan Electric Wire & Cable Co ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-11-15
Anticipated expiration: 2032-05-31

Abstract

The utility model belongs to the technical field of the transmission cable technique and specifically relates to a flexible flat cable is used to outdoor reel of high wear-resisting extra-high tensile is related to, be the TPU oversheath of platykurtic including the cross-section, the inside weaving layer that has the increase tensile strength of TPU oversheath, the inside cladding of weaving layer has a plurality of internal insulation cover, and the inside cladding of internal insulation cover has a plurality of conductor wires and poly-p-phenylene terephthalamide wire rod, and conductor wire and poly-p-phenylene terephthalamide wire rod are crisscross to be arranged inside the internal insulation cover. This application has extension reel cable life's effect.

Description

High-wear-resistance ultrahigh-tensile-strength flexible flat cable for outdoor drum

Technical Field

The application relates to the technical field of power transmission cables, in particular to a flexible flat cable for a high-abrasion-resistance and ultrahigh-tensile outdoor winding drum.

Background

The cable is an electric energy or signal transmission device, and is usually formed by twisting several or several groups of conducting wires, the outside of the conducting wires is coated with an insulating protective layer, and the cable has the characteristics of internal electrification and external insulation.

Reel cable is applied to the rolling machine, transportation machinery and conveyer, and the reel cable need frequent coiling action of doing in the use, and the reel cable need bear pulling of heavy object in the use simultaneously, therefore the reel cable need bear long-term tensile and bending fatigue, and current reel cable often can appear warping, damaged condition because of intensity is not enough in the use for the inside sinle silk of reel cable appears exposing easily, influences the use of reel cable.

SUMMERY OF THE UTILITY MODEL

In order to prolong the service life of reel cable, the application provides a flexible flat cable for outdoor reel of high wear-resisting extra high tensile.

The application provides a pair of outdoor reel of high wear-resisting extra-high tensile is with flexible flat cable adopts following technical scheme:

the utility model provides an outdoor reel of high wear-resisting extra-high tensile is with flexible flat cable, is the TPU oversheath of platykurtic including the cross-section, the inside weaving layer that increases tensile strength that has of TPU oversheath, the inside cladding of weaving layer has a plurality of internal insulation cover, the inside cladding of internal insulation cover has a plurality of conductor wires and poly p-phenylene terephthalamide wire rod, the conductor wire with poly p-phenylene terephthalamide wire rod crisscross arrange in inside the internal insulation cover.

By adopting the technical scheme, the TPU oversheath has higher tensile strength and higher toughness, and the cross-section of TPU oversheath is the platykurtic, make the TPU oversheath difficult fracture in the curling process, the weaving layer can further strengthen holistic tensile strength, make the cable difficult to be broken, after conductor wire and the crisscross mixture of poly p-phenylene terephthalamide wire rod, the crooked power that the conductor wire received or the pulling force that receives can be shared to poly p-phenylene terephthalamide wire rod, make the difficult emergence fracture of conductor wire, thereby the life of reel cable has been prolonged.

Preferably, the inner insulating sleeve is a TPEE insulating sleeve.

Through adopting above-mentioned technical scheme, the TPEE insulating sleeve has higher tensile strength and higher toughness, and the TPEE insulating sleeve is difficult for the fracture, has reduced the possibility that the TPEE insulating sleeve is punctured by the electric current in the use, has prolonged reel cable's life.

Preferably, the woven layer is woven by nylon.

Through adopting above-mentioned technical scheme, the tensile strength that nylon was woven is better, weaves when nylon and has better answer effect, and long service life can prolong the protection effect to the reel cable to the nylon is woven to the quilt is tensile back to the life of reel cable has been prolonged.

Preferably, the volume ratio of the conductive wire to the poly-p-phenylene terephthamide wire in any one of the inner insulating sleeves is 1: (1-1.5).

By adopting the technical scheme, when the volume ratio of the conductive wire to the poly-p-phenylene terephthalamide wire is in the range, the poly-p-phenylene terephthalamide wire can reduce the influence on the conductive performance of the conductive wire while meeting the protection effect on the conductive wire.

Preferably, a plurality of the inner insulation sleeves are linearly and uniformly arranged in the woven layer in an aligned manner, and the inner insulation sleeves are abutted in sequence.

By adopting the technical scheme, the inner insulating sheaths are linearly arranged, the reel cable is easy to curl, and the difficulty of winding the reel cable on the reel is reduced; when the reel cable is curled, the curvature radius generated by the inner sheaths is the same, so that the acting force exerted on the inner sheaths is kept the same as far as possible, the possibility of local damage of the inner sheaths due to uneven stress is reduced, the service life of the inner sheaths is prolonged, and the service life of the reel cable is prolonged.

Preferably, a filler is arranged between the woven layer and the inner insulating sleeve.

Through adopting above-mentioned technical scheme, the filler can reduce the clearance of internal insulation cover, weaving layer and TPU oversheath for be difficult for producing relative displacement between internal insulation cover, weaving layer and the TPU oversheath three, the filler also can share partial pulling force and curling power simultaneously, thereby has strengthened reel cable's overall structure intensity, further extension reel cable's life.

Preferably, the outer layer of the filler is sleeved with a TPEE protective sleeve, and the TPEE protective sleeve abuts against the inner wall of the woven layer and the outer wall of the inner insulating sleeve.

Through adopting above-mentioned technical scheme, the TPEE protective sheath makes the weaving layer difficult to take place loosely, and the TPEE protective sheath further improves holistic tensile strength of reel cable and anti bending capability to life has been prolonged.

Preferably, the filler is hemp rope.

By adopting the technical scheme, the hemp rope is low in price and easy to obtain, and the production cost can be saved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the TPU outer sheath with the flat section has high tensile strength and high toughness, the flat structure enables the TPU outer sheath not to be easily cracked in the curling process, and after the conductive wire and the poly-p-phenylene terephthalamide wire rod are mixed in a staggered mode, the poly-p-phenylene terephthalamide wire rod can share the bending force or the pulling force applied to the conductive wire, so that the conductive wire is not easily broken, and the service life of the reel cable is prolonged;

2. the nylon weaving is adopted, so that the tensile strength of the whole cable can be further enhanced, the cable is not easy to break, and the service life of the reel cable is prolonged;

3. controlling the volume ratio of the conductive wire to the poly-p-phenylene terephthamide wire to be 1: (1-1.5), the poly (p-phenylene terephthalamide) wire can protect the conductive wire and reduce the influence on the conductive performance of the conductive wire.

Drawings

Fig. 1 is a sectional view showing the overall structure of the present embodiment.

Reference numerals: 1. a TPU outer sheath; 2. an inner insulating sleeve; 21.TPEE insulating sleeve; 3. a conductive wire; 4. poly (p-phenylene terephthalamide) wire; 5. weaving layer; 51. weaving nylon; 6. a filler; 61. hemp ropes; 7. TPEE protective sleeve.

Detailed Description

The present application is described in further detail below with reference to fig. 1.

The embodiment of the application discloses an outdoor reel of high wear-resisting extra-high tensile is with flexible flat cable.

Referring to fig. 1, the flexible flat cable for the high-wear-resistance ultrahigh-tensile outdoor reel comprises a TPU outer sheath 1 with a flat section, wherein the TPU outer sheath 1 has high tensile strength and high toughness, and when the reel cable is subjected to bending force or tensile force, the TPU outer sheath 1 is not easy to crack. The TPU oversheath 1 is inside to be wrapped with a plurality of cross-sections and is the annular internal insulation cover 2 of circle, and the inside cladding of internal insulation cover has a plurality of conductor wires 3 that have electrically conductive effect, and conductor wire 3 chooses for use the copper core. The inner part of the inner insulating sheath is also coated with a plurality of poly-p-phenylene terephthamide wires 4, and the poly-p-phenylene terephthamide wires 4 and the conductive wires 3 are arranged in a staggered mode.

The poly-p-phenylene terephthamide wire 4 has high tensile strength, and in the using process, the poly-p-phenylene terephthamide wire 4 can share bending force or tensile force applied to the conductive wire 3, so that the conductive wire 3 is not easy to break, and the service life of the reel cable is prolonged. The conductive wire 3 can generate high temperature in the conductive process, so that the poly-p-phenylene terephthamide wire 4 can be used for a long time in the environment of 180 ℃, and has better heat resistance. The poly-p-phenylene terephthamide wire 4 has a long service life, thereby prolonging the protection effect on the conductive wire 3.

When the volume ratio of the poly (p-phenylene terephthalamide) wire 4 is low, the poly (p-phenylene terephthalamide) wire 4 is not enough to share the bending force or the tensile force borne by the conductive wire 3, so that the conductive wire 3 is easily broken. When the volume ratio of the poly-p-phenylene terephthalamide 4 is high, the poly-p-phenylene terephthalamide 4 affects the conductive effect of the conductive wire 3. The volume ratio of the conductive wire 3 to the poly-p-phenylene terephthamide wire 4 is 1: (1-1.5), and within the range of the ratio, the poly-terephthaloyl can satisfy the protection effect on the conductive wire 3 and reduce the influence on the conductive performance of the conductive wire 3.

When the inner insulating sleeve 2 is cracked, the current of the conducting wire 3 can break through the cracked part of the inner insulating sleeve 2, so that the danger of electric leakage is caused, and the use of the reel cable is influenced. In the embodiment, the inner insulating sleeve 2 is the TPEE insulating sleeve 21, the TPEE insulating sleeve 21 has higher tensile strength and higher toughness, and when the reel cable is subjected to bending force or tensile force, the TPEE insulating sleeve 21 is not easy to crack, so that the possibility that the TPEE insulating sleeve 21 is punctured by current in the use process is reduced, and the service life of the reel cable is prolonged.

The plurality of TPEE insulating sleeves 21 are uniformly arranged on the TPU outer sheath 1 in a linear array, namely, the axes of the plurality of TPEE insulating sleeves 21 are positioned on the same plane or curved surface. The plurality of TPEE insulating sleeves 21 are sequentially abutted, and the TPU outer sheath 1 is abutted against the plurality of TPEE insulating sleeves 21. This kind of arrangement of TPEE insulating cover 21 makes the reel cable twine in the reel more easily, and when the reel cable received curly, the produced radius of curvature of a plurality of interior insulating sheathes 2 was the same for the power that a plurality of interior insulating sheathes 2 received keeps the same as far as, has reduced interior insulating sheathes 2 because of the uneven possibility that produces local damage of atress, has prolonged the life of interior insulating sheathes 2, thereby has prolonged the life of reel cable.

A braided layer 5 is arranged between the TPEE insulating sleeve 21 and the TPU outer sheath 1, the braided layer 5 is a nylon braid 51, and the inner side and the outer side of the nylon braid 51 are respectively abutted against the TPEE insulating sleeve 21 and the TPU outer sheath 1. Nylon weaves 51's tensile strength better, weaves 51 and is stretched the back when nylon, and nylon weaves 51 and has better recovery effect, and long service life can prolong the protection effect to the reel cable to the life of reel cable has been prolonged.

The filler 6 is arranged in the gap between the nylon weaving 51 and the TPEE insulating sleeve 21, the filler 6 is the hemp rope 61 in the embodiment, the hemp rope 61 is easy to obtain, the price of the hemp rope 61 is low, and the production cost can be saved. The filler 6 is not limited to the hemp rope 61, and other materials such as a glass fiber rope and an inorganic paper rope may be used for the filler 6. The outer layer of the hemp rope 61 is sleeved with a TPEE protective sleeve 7, and the outer peripheral wall of the TPEE protective sleeve 7 is tightly propped against the nylon weaving 51 and the TPEE insulating sleeve 21. The TPEE protective sleeve 7 and the hemp rope 61 enable the TPEE insulating sleeve 21, the nylon braid 51 and the TPU outer sheath 1 to be not easy to generate relative displacement through the abutting action, and meanwhile, the filler 6 can share partial tension and curling force, so that the overall structural strength of the reel cable is enhanced, and the service life of the reel cable is further prolonged.

The implementation principle of the flexible flat cable for the high-abrasion-resistance ultrahigh-tensile outdoor reel is as follows: the TPEE insulating sleeve 21 and the TPU outer sheath 1 both have high tensile strength and high toughness, and when the reel cable is subjected to bending force or tensile force, the TPEE insulating sleeve 21 and the TPU outer sheath 1 are not easy to crack; the poly-p-phenylene terephthamide wire 4 and the conductive wire 3 are mixed in a staggered mode, and in the using process, the poly-p-phenylene terephthamide wire 4 can share bending force or tensile force applied to the conductive wire 3, so that the conductive wire 3 is not prone to breaking, and the service life of the reel cable is prolonged.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an outdoor reel of high abrasion extra-high tensile is with flexible flat cable which characterized in that: the TPU oversheath (1) that is the platykurtic including the cross-section, TPU oversheath (1) inside has weaving layer (5) that increase tensile strength, the inside cladding of weaving layer (5) has a plurality of internal insulation cover (2), the inside cladding of internal insulation cover (2) has a plurality of conductor wires (3) and poly p-phenylene terephthamide wire rod (4), conductor wire (3) with poly p-phenylene terephthamide wire rod (4) crisscross arrange in inside internal insulation cover (2).

2. The flexible flat cable for the outdoor reel with high abrasion resistance and extra high tensile strength as claimed in claim 1, wherein: the inner insulating sleeve (2) is a TPEE insulating sleeve (21).

3. The flexible flat cable for the outdoor reel with high abrasion resistance and extra-high tensile strength as claimed in claim 1, wherein: the woven layer (5) is a nylon woven layer (51).

4. The flexible flat cable for the outdoor reel with high abrasion resistance and extra-high tensile strength as claimed in claim 1, wherein: the volume ratio of the conductive wire (3) to the poly-p-phenylene terephthamide wire (4) in any one inner insulating sleeve (2) is 1: (1-1.5).

5. The flexible flat cable for the outdoor reel with high abrasion resistance and extra high tensile strength as claimed in claim 1, wherein: a plurality of the inner insulating sleeves (2) are linearly and uniformly arranged in the weaving layer (5), and the inner insulating sleeves (2) are sequentially abutted.

6. The flexible flat cable for the outdoor reel with high abrasion resistance and extra high tensile strength as claimed in claim 1, wherein: and a filler (6) is arranged between the braid (5) and the inner insulating sleeve (2).

7. The flexible flat cable for the outdoor reel with high abrasion resistance and extra high tensile strength as claimed in claim 6, wherein: and a TPEE protective sleeve (7) is sleeved on the outer layer of the filler (6), and the TPEE protective sleeve (7) is abutted against the inner wall of the braided layer (5) and the outer wall of the inner insulating sleeve (2).

8. The flexible flat cable for the outdoor reel with high abrasion resistance and extra high tensile strength as claimed in claim 6, wherein: the filler (6) is a hemp rope (61).