CN220984193U - High-flexibility combined cable for demonstrator - Google Patents
High-flexibility combined cable for demonstrator Download PDFInfo
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- CN220984193U CN220984193U CN202322727601.XU CN202322727601U CN220984193U CN 220984193 U CN220984193 U CN 220984193U CN 202322727601 U CN202322727601 U CN 202322727601U CN 220984193 U CN220984193 U CN 220984193U
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- 230000008054 signal transmission Effects 0.000 claims abstract description 43
- -1 polypropylene Polymers 0.000 claims abstract description 30
- 239000004743 Polypropylene Substances 0.000 claims abstract description 16
- 229920000139 polyethylene terephthalate Polymers 0.000 claims abstract description 16
- 239000005020 polyethylene terephthalate Substances 0.000 claims abstract description 16
- 229920001155 polypropylene Polymers 0.000 claims abstract description 16
- 229920000728 polyester Polymers 0.000 claims abstract description 10
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 8
- 239000011295 pitch Substances 0.000 claims abstract description 7
- 239000004020 conductor Substances 0.000 claims description 19
- 229920000742 Cotton Polymers 0.000 claims description 12
- 239000004698 Polyethylene Substances 0.000 claims description 11
- 229920000573 polyethylene Polymers 0.000 claims description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 239000010949 copper Substances 0.000 claims description 10
- 239000002131 composite material Substances 0.000 claims description 7
- 239000004760 aramid Substances 0.000 claims description 5
- 229920006231 aramid fiber Polymers 0.000 claims description 5
- 238000009954 braiding Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 238000005452 bending Methods 0.000 abstract description 13
- 238000009413 insulation Methods 0.000 abstract description 4
- 230000035882 stress Effects 0.000 description 5
- 238000009825 accumulation Methods 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Communication Cables (AREA)
Abstract
The utility model discloses a high-flexibility combined cable for a demonstrator, which comprises the following components: the signal transmission unit and the control unit, the signal transmission unit includes: the four first insulation wire cores are twisted into a group of twisted units with different pitches, the two groups of twisted units are twisted into a first star-twisted four-wire group, and the first star-twisted four-wire group is sequentially provided with a first polypropylene tape, a woven shielding layer and a first PET tape from inside to outside; the control unit includes: the two groups of second star-twisted four-wire groups and one group of three-wire groups are respectively wrapped with a second PET (polyethylene terephthalate) polyester wrapping tape, the signal transmission unit and the control unit are twisted into a cable, the center of the cable is filled with a tensile component, and the signal transmission unit and the control unit of the cable are sequentially provided with a second polypropylene wrapping tape, a non-woven fabric and a sheath from inside to outside. The utility model has the advantages that: the signal transmission quality and bending performance of the cable can be improved.
Description
Technical Field
The utility model relates to the field of cables, in particular to a high-flexibility combined cable for a demonstrator.
Background
The demonstrator is also called as a teaching programmer, and is a handheld device applied to robot control. In the motion control system of the robot, the demonstrator is connected with the control cabinet or the motion controller through a cable, and the robot can work according to a written program by setting motion parameters and writing a motion path of the robot, and can perform operations such as real-time monitoring, adjustment, safety scram and the like on the motion of the robot. The robot controlled by the demonstrator needs to move, so that a connecting cable between the demonstrator and the robot needs to be high in flexibility, most of cables used for the demonstrator in the market at present are single-function cables, namely, one cable can only be spliced with one port on the demonstrator, when multi-port connection is needed, a plurality of cables are needed, so that the laying difficulty is increased, the situation of intertwining between the cables is easy to occur, in order to solve the problem, a combined cable integrating cables with different functions appears in the market, a control unit and a signal transmission unit are usually arranged in the combined cable, and because the number of the robot controlled by the demonstrator is large, the insulated cable in the control unit and the signal transmission unit are twisted into a cable together, or the insulated cable in the control unit is twisted into a cable firstly, and then the signal transmission unit is twisted into a cable, and when the first cable structure is used, the number of the insulated cable in the control unit is large, and the cable in the control unit is not limited by bending, so that the tensile property of the cable core can be easily reduced after the cable is bent for many times; when the second type cabling structure is used, a large number of insulating wire cores in the control unit are stranded together and then are much larger than the signal transmission unit in size, a large number of filling ropes are required to be used for filling so as to ensure the roundness of the whole cable, and stress accumulation is easy to occur due to uneven stress in the use process, so that the service life of the cable is reduced.
Disclosure of utility model
The utility model aims to provide a high-flexibility combined cable for a demonstrator, which can orderly collect cables with different functions together and can ensure flexibility and bending performance after cabling.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: a high flexibility combination cable for a teach pendant comprising: the signal transmission unit and the control unit, the signal transmission unit includes: the four first insulating wire cores are twisted in pairs to form a group of twisted units, the pitches of the two groups of twisted units are different, the two groups of twisted units are twisted in pairs to form a first star-twisted four-wire group, a first polypropylene tape is wound on the first star-twisted four-wire group, a woven shielding layer is woven on the first polypropylene tape, and a first PET (polyethylene terephthalate) tape is wound on the woven shielding layer; the control unit includes: eleven second insulating wire cores, wherein, eight second insulating wire cores star-twisted to form two sets of second star-twisted four wire groups, three second insulating wire cores are twisted in a delta shape to form three wire groups, second PET polyester belts are wrapped on the second star-twisted four wire groups and the three wire groups, the signal transmission unit is twisted with the second star-twisted four wire groups and the three wire groups in the control unit to form a cable, the two sets of second star-twisted four wire groups are respectively abutted against two sides of the signal transmission unit, the three wire groups are arranged in opposite directions of the signal transmission unit and are abutted against the two sets of second star-twisted four wire groups, a tensile assembly is filled in the center of the cable, a second polypropylene belt is wrapped on the signal transmission unit and the control unit of the cable, a non-woven fabric is wrapped on the second polypropylene belt, and a sheath is extruded on the non-woven fabric.
Further, the aforementioned high flexibility composite cable for a teach pendant, wherein the tension member comprises: three first cotton ropes and five aramid fibers are intertwisted together.
Further, the high-flexibility combined cable for a demonstrator, wherein the first insulating wire core includes: the cable comprises a first conductor and a polyethylene insulating layer, wherein the first conductor is formed by twisting nineteen tinned copper monofilaments with the diameter of 0.102mm, the polyethylene insulating layer is extruded on the first conductor, and the concentricity between the polyethylene insulating layer and the first conductor is less than or equal to 1.1%.
Further, the high-flexibility combined cable for a demonstrator, wherein the second insulating wire core includes: the second conductor is formed by twisting nineteen tin-plated copper monofilaments with the diameter of 0.127mm, and the TPE insulating layer is extruded on the second conductor.
Further, the high-flexibility combined cable for the demonstrator is characterized in that the outer gaps among the signal transmission unit, the second star-twisted four-wire group and the three-wire group are filled with second cotton ropes.
Furthermore, the high-flexibility combined cable for the demonstrator is characterized in that the braided shielding layer is formed by braiding tinned copper wires, and the braiding density is more than or equal to 90%.
Furthermore, the high-flexibility combined cable for the demonstrator is characterized in that the sheath is made of PUR materials.
The utility model has the advantages that: the signal transmission unit and the control unit are integrated together, so that the universality of the cables can be improved, the number of the cables connected to the demonstrator can be reduced, and the wiring is convenient; eleven second insulated wire cores in the control unit are twisted in groups to form two groups of second star-twisted four-wire groups and one group of three-wire groups, so that all the second insulated wire cores in the control unit can be ensured to be fastened, the situation that the second insulated wire cores are scattered easily during bending is avoided, and the bending performance is improved; secondly, the number of the second insulating wire cores in each group is the same as or similar to the number of the first insulating wire cores in the signal transmission unit, so that the volumes among the signal transmission unit, the second star-twisted four-wire group and the three-wire group are similar, the rounding after cabling can be controlled more easily when cabling is carried out, and the cables can be uniformly stressed when bending is carried out, so that stress accumulation is not easy to occur, and the flexibility and the service life are improved; four first insulating wire cores in the signal transmission unit are twisted in pairs to form twisted pair units with different pitches, and then the twisted pair units with the different pitches are twisted in pairs to form a first star-twisted four-wire set.
Drawings
Fig. 1 is a schematic view of a high flexibility combination cable for a teach pendant according to the present utility model.
Fig. 2 is a schematic diagram of a cabling process of the signal transmission unit in fig. 1.
Detailed Description
The technical scheme of the utility model is further described below with reference to the attached drawings and the preferred embodiments.
As shown in fig. 1 and 2, the high-flexibility combined cable for a demonstrator according to the present utility model includes: a signal transmission unit 1 and a control unit, the signal transmission unit 1 comprises: four first insulated wire cores 11, every two first insulated wire cores 11 are twisted to form a group of twisted units 111, the pitches of the two groups of twisted units 111 are different, the two groups of twisted units 111 are twisted to form a first star-twisted four-wire set 1111, compared with the cable structure directly adopting the star-twisted four-wire set, the cable structure in the embodiment can prevent the condition of signal mutual interference between the four first insulated wire cores 11 due to different pitches between each group of twisted units 111, improve the signal transmission quality, the first star-twisted four-wire set 111 is wrapped with a first polypropylene tape 12, the first polypropylene tape 12 is braided with a braided shielding layer 13, the first polypropylene tape 12 has light specific gravity, good tensile force and smoothness, and can tie the first star-twisted four-wire set 1111, the first star-twisted four-wire set 1111 is prevented from scattering during bending, the braided shielding layer 13 can be prevented from being in direct contact with the first insulating wire core 11, abrasion caused by direct contact friction between the first insulating wire core 11 and the braided shielding layer 13 during bending is prevented, the braided shielding layer 13 is braided by tinned copper wires, the braiding density is more than or equal to 90%, the interference of external signals on the first insulating wire core 11 can be prevented, the signal transmission quality is improved, the signal of the first insulating wire core 11 can be prevented from being leaked outwards to cause signal interference to external elements, the braided shielding layer 13 is wrapped with the first PET polyester wrapping tape 14, the first PET polyester wrapping tape 14 has higher mechanical strength and higher insulating shielding performance, and the insulativity and the characteristic impedance of the signal transmission unit 1 are improved, and the first insulating wire core 11 comprises: the first conductor 11-1 and the polyethylene insulating layer 11-2, the first conductor 11-1 is formed by twisting nineteen tin-plated copper monofilaments with the diameter of 0.102mm, has stronger tensile strength and flexibility, the polyethylene insulating layer 11-2 is extruded on the first conductor 11-1, the polyethylene insulating layer 11-2 is made of nonpolar material, has the characteristics of low dielectric loss, high dielectric strength, excellent electrical property and the like, and the polyethylene insulating layer 11-2 has excellent mechanical properties such as wear resistance, tensile strength and bending resistance, and can ensure that the first insulating wire core 11 has higher mechanical properties, and the concentricity between the polyethylene insulating layer 11-2 and the first conductor 11-1 is less than or equal to 1.1%, so that the first insulating wire core 11 has better electrical properties.
The control unit includes: eleven second insulated wire cores 2, wherein eight second insulated wire cores 2 are star-twisted to form two groups of second star-twisted four-wire groups 21, three second insulated wire cores 2 are twisted in a delta-shaped manner to form three-wire groups 22, eleven second insulated wire cores 2 are twisted in groups to form two groups of second star-twisted four-wire groups 21 and one group of three-wire groups 22, so that all second insulated wire cores 2 can be ensured to be fastened, scattering is not easy to occur during bending, the number of the second insulated wire cores 2 in each group is the same as or similar to the number of the first insulated wire cores 11 in the signal transmission unit 1, the volumes between the signal transmission unit 1 and the second star-twisted four-wire groups 21 and the three-wire groups 22 are similar, the roundness after cabling can be controlled more easily during cabling, the second star-twisted four-wire groups 21 and the three-wire groups 22 are wrapped with second PET polyester wrapping tapes 23, the second PET polyester wrapping tapes 23 have higher mechanical strength, higher insulation shielding performance, the insulation properties of the second star-twisted four-wire groups 21 and the second insulated wire cores 2 are improved, and the insulation properties of the second insulated wire cores 2 comprise: the second conductor 2-1 and the TPE insulating layer 2-2, the second conductor 2-1 is formed by twisting nineteen tinned copper monofilaments with the diameter of 0.127mm, and as no shielding layer is used for supporting and stretching resistance in the control unit, the tinned copper monofilaments with larger diameters are required to be twisted, so that the tensile strength is improved, the flexibility is ensured, the TPE insulating layer 2-2 is extruded on the second conductor 2-1, and the TPE insulating layer 2-2 has excellent electrical insulation characteristics, higher tensile strength and excellent fatigue resistance and can be used under the condition of repeated cyclic loading.
The signal transmission unit 1 is twisted into a cable with the second star-twisted four-wire set 21 and the three-wire set 22 in the control unit, the two sets of second star-twisted four-wire set 21 are respectively abutted against two sides of the signal transmission unit 1, the three-wire set 22 is arranged opposite to the signal transmission unit 1 and abutted against the two sets of second star-twisted four-wire set 21, when the cable is bent, the stress of the cable is uniform, and stress accumulation is not easy to occur, so that the service life is prolonged, the second PET polyester wrapping tape 23 between the second star-twisted four-wire set 21 and the three-wire set 22 is contacted, the second PET polyester wrapping tape 23 of the second star-twisted four-wire set 21 is contacted with the first PET polyester wrapping tape 12 of the signal transmission unit 1, and the friction force among the second star-twisted four-wire set 21 and the three-wire set 22 can be reduced when the cable is bent, and the flexibility of the cable is improved. At the center of the cabling is filled a tension member, the tension member comprising: three first cotton ropes 3 and five aramid fibers 31, the three first cotton ropes 3 and the five aramid fibers 31 are intertwisted together, after the first cotton ropes 3 and the aramid fibers 31 are intertwisted, the tensile property of the first cotton ropes 3 can be improved, the softness of the first cotton ropes 3 can not be influenced, the second cotton ropes 4 are filled in the outer gaps among the signal transmission unit 1, the second star-twisted four-wire group 21 and the three-wire group 22, the rounding of the cable can be improved by filling the second cotton ropes 4, the torsion force generated during operation of the cable can be absorbed through the softness of the second cotton ropes 4, the bending property of the cable can be improved, the second polypropylene wrapping belt 5 is wound on the signal transmission unit 1 and the control unit, the second polypropylene tape 5 can improve the compactness between the signal transmission unit 1 and the second star-twisted four-wire group 21 and the third-wire group 22 in the control unit, and ensure that the cable has good bending property, the second polypropylene tape 5 is wound with the non-woven fabric 6, the non-woven fabric 6 can wrap the second star-twisted four-wire group 21 and the third-wire group 22 in the signal transmission unit 1 and the control unit more tightly, the compactness of the cable is improved, the non-woven fabric 6 is wrapped with the sheath 7 made of PUR materials, the PUR toughness is good, the wear resistance, the low temperature resistance, the water resistance, the aging resistance and the acid and alkali resistance are good, the cable is suitable for severe occasions such as greasy dirt, acid and alkali, low temperature environments, the requirements of the cable on wear resistance, bending resistance and flexibility can be better met, and the twisted element in the cable can be effectively protected from being damaged when the twisted and bent.
Finally, it should be noted that: the above embodiments are only for illustrating the technical aspects of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the above embodiments, it should be understood by those of ordinary skill in the art that: modifications and equivalents may be made to the specific embodiments of the utility model without departing from the spirit and scope of the utility model, which is intended to be covered by the claims.
Claims (7)
1. A high flexibility combination cable for demonstrator, its characterized in that: comprising the following steps: the signal transmission unit and the control unit, the signal transmission unit includes: the four first insulating wire cores are twisted in pairs to form a group of twisted units, the pitches of the two groups of twisted units are different, the two groups of twisted units are twisted in pairs to form a first star-twisted four-wire group, a first polypropylene tape is wound on the first star-twisted four-wire group, a woven shielding layer is woven on the first polypropylene tape, and a first PET (polyethylene terephthalate) tape is wound on the woven shielding layer; the control unit includes: eleven second insulating wire cores, wherein, eight second insulating wire cores star-twisted to form two sets of second star-twisted four wire groups, three second insulating wire cores are twisted in a delta shape to form three wire groups, second PET polyester belts are wrapped on the second star-twisted four wire groups and the three wire groups, the signal transmission unit is twisted with the second star-twisted four wire groups and the three wire groups in the control unit to form a cable, the two sets of second star-twisted four wire groups are respectively abutted against two sides of the signal transmission unit, the three wire groups are arranged in opposite directions of the signal transmission unit and are abutted against the two sets of second star-twisted four wire groups, a tensile assembly is filled in the center of the cable, a second polypropylene belt is wrapped on the signal transmission unit and the control unit of the cable, a non-woven fabric is wrapped on the second polypropylene belt, and a sheath is extruded on the non-woven fabric.
2. The high flexibility composite cable for a teach pendant as set forth in claim 1, wherein: the tension assembly includes: three first cotton ropes and five aramid fibers are intertwisted together.
3. The high flexibility composite cable for a teach pendant as set forth in claim 1, wherein: the first insulating core includes: the cable comprises a first conductor and a polyethylene insulating layer, wherein the first conductor is formed by twisting nineteen tinned copper monofilaments with the diameter of 0.102mm, the polyethylene insulating layer is extruded on the first conductor, and the concentricity between the polyethylene insulating layer and the first conductor is less than or equal to 1.1%.
4. The high flexibility composite cable for a teach pendant as set forth in claim 1, wherein: the second insulated wire core includes: the second conductor is formed by twisting nineteen tin-plated copper monofilaments with the diameter of 0.127mm, and the TPE insulating layer is extruded on the second conductor.
5. The high flexibility composite cable for a teach pendant as set forth in claim 1, wherein: and second cotton ropes are filled in the outer gaps among the signal transmission unit, the second star-twisted four-wire group and the three-wire group.
6. The high flexibility composite cable for a teach pendant as set forth in claim 1, wherein: the braided shielding layer is formed by braiding tinned copper wires, and the braiding density is more than or equal to 90%.
7. The high flexibility composite cable for a teach pendant as set forth in claim 1, wherein: the sheath is made of PUR materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322727601.XU CN220984193U (en) | 2023-10-11 | 2023-10-11 | High-flexibility combined cable for demonstrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322727601.XU CN220984193U (en) | 2023-10-11 | 2023-10-11 | High-flexibility combined cable for demonstrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220984193U true CN220984193U (en) | 2024-05-17 |
Family
ID=91040798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322727601.XU Active CN220984193U (en) | 2023-10-11 | 2023-10-11 | High-flexibility combined cable for demonstrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220984193U (en) |
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2023
- 2023-10-11 CN CN202322727601.XU patent/CN220984193U/en active Active
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