CN115021160A - High-voltage cable terminal manufacturing device for rolling stock - Google Patents
High-voltage cable terminal manufacturing device for rolling stock Download PDFInfo
- Publication number
- CN115021160A CN115021160A CN202210768516.5A CN202210768516A CN115021160A CN 115021160 A CN115021160 A CN 115021160A CN 202210768516 A CN202210768516 A CN 202210768516A CN 115021160 A CN115021160 A CN 115021160A
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- Prior art keywords
- voltage cable
- umbrella skirt
- cable
- rolling stock
- cable terminal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 238000005096 rolling process Methods 0.000 title claims abstract description 16
- 238000012806 monitoring device Methods 0.000 claims abstract description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 5
- 239000010935 stainless steel Substances 0.000 claims abstract description 5
- 229920002545 silicone oil Polymers 0.000 claims description 3
- 239000012780 transparent material Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 17
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 description 7
- 230000003137 locomotive effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- -1 carrier Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000002654 heat shrinkable material Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/14—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for joining or terminating cables
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- Insulating Bodies (AREA)
Abstract
The invention discloses a device for manufacturing a high-voltage cable terminal for a rolling stock, which comprises a constant temperature box body, a constant temperature box cover and a temperature monitoring device, wherein a hole is formed in one side wall of the constant temperature box body. The umbrella skirt and the high-voltage cable are pre-assembled, the support sleeve is buckled on the cable, and the umbrella skirt and the high-voltage cable are separated by the support sleeve. The rear end of the support sleeve is provided with a handle, and the front end of the high-voltage cable is provided with a stud. The supporting sleeve is formed by combining two stainless steel sheets, and a thin-wall wedge-shaped cylinder with a small front end and a large rear end is formed together. The method comprises the steps of pre-assembling a cable terminal umbrella skirt, a high-voltage cable and a support sleeve, and then putting the cable terminal umbrella skirt, the high-voltage cable and the support sleeve into a closed thermostat to perform thermal shrinkage after penetrating through a through hole in the side wall of a box body. The surface of the umbrella skirt is uniformly heated, the whole shrinkage is consistent, the appearance of the umbrella skirt is neat and uniform in shape after the thermal shrinkage is finished, the rigidity of a cable terminal is improved, and the thermal shrinkage between the umbrella skirt and a high-voltage cable is firm. By prolonging the jointing time between the umbrella skirt and the high-voltage cable after the umbrella skirt is subjected to thermal shrinkage, the problem that air cannot be discharged in time between the umbrella skirt and the high-voltage cable is avoided.
Description
Technical Field
The invention relates to a cable tool for a rail vehicle, in particular to a high-voltage cable terminal manufacturing device for a rolling stock.
Background
With the rapid development of rail transit, a high-voltage power supply system of a rolling stock is gradually an important research project. The high-voltage cable assembly is an important part for ensuring the safe and reliable operation of the locomotive, is connected with a railway power supply network and a main transformer of the locomotive, transmits high voltage electricity from the railway power supply network to a train system, provides energy for the locomotive and enables all parts in the train to normally operate.
Because the requirements on the appearance of the rolling stock product are high, the appearance is required to be neat after the cable terminal is finished, and the umbrella skirt is uniform in shape. Meanwhile, some cable terminals have certain requirements on rigidity. At present, a part of rolling stocks adopt a heat shrinkage type cable terminal, and hot air with a certain temperature is blown out by a hot air gun to perform heat shrinkage on the umbrella skirt in the heat shrinkage mode of all domestic and foreign manufacturers.
Because the hand-held hot-air gun, the whole thermal unbalance that is heated of full skirt leads to the full skirt to appear locally thermal unbalance in pyrocondensation process, and final full skirt shirt rim exists the phenomenon that sticks up the limit or the overheating blackens, and the full skirt outward appearance is flawed and probably leads to customer to reject the product, and the electrical properties of product is influenced in the local carbonization that blackens, and the volatile gas of pyrocondensation material high temperature produces adverse effect to the workman of closely operating simultaneously.
Generally, a heat-shrinkable cable terminal is not suitable for heat-shrinkable molding in a constant temperature box, and the main reason is that a heat-shrinkable material can shrink simultaneously at high temperature and cannot shrink sequentially from one direction to the other direction according to a preset requirement.
In view of the above, the present invention is particularly proposed.
Disclosure of Invention
The invention aims to provide a device for manufacturing a high-voltage cable terminal for a rolling stock, which aims to solve the technical problems in the prior art.
The purpose of the invention is realized by the following technical scheme:
the invention discloses a device for manufacturing a high-voltage cable terminal for a locomotive vehicle, which comprises a constant temperature box body and a supporting sleeve, wherein a constant temperature box cover and a temperature monitoring device are arranged on one side wall of the constant temperature box body, a hole is formed in the other side wall of the constant temperature box body, the supporting sleeve is formed by combining two stainless steel thin plates and jointly forms a thin-wall wedge-shaped cylinder with a small front end and a large rear end, the two supporting sleeves are buckled on a cable, the front ends of the two supporting sleeves are inserted into the constant temperature box body through the hole in the side wall, and a heat-shrinkable umbrella skirt is sleeved outside the supporting sleeve.
Compared with the prior art, the device for manufacturing the high-voltage cable terminal for the rolling stock is characterized in that the cable shed is arranged in the closed constant-temperature device based on the design of the thermal shrinkage mode of the cable terminal, so that the whole shed can be uniformly heated, the appearance is neat and uniform after thermal shrinkage, and the electric performance can reach the standard. The above-mentioned bad problems caused by uneven heating of the umbrella skirt can be effectively avoided.
Drawings
Fig. 1 is a schematic structural view of a high-voltage cable termination manufacturing apparatus for a rolling stock according to an embodiment of the present invention;
fig. 2a and 2b are respectively a structural view of the support sleeve of the present invention when assembled and disassembled.
In the figure:
1. the temperature monitoring device comprises a temperature monitoring device, 2, a thermostat box body, 3, a thermostat box cover, 4, a stud, 5, an umbrella skirt, 6, a support sleeve, 7, a high-voltage cable, 8, a handle and 9, and the end part of the cable.
Detailed Description
The technical scheme in the embodiment of the invention is clearly and completely described below by combining the attached drawings in the embodiment of the invention; it is to be understood that the described embodiments are merely exemplary of the invention, and are not intended to limit the invention to the particular forms disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
The terms that may be used herein are first described as follows:
the term "and/or" means that either or both can be achieved, for example, X and/or Y means that both cases include "X" or "Y" as well as three cases including "X and Y".
The terms "comprising," "including," "containing," "having," or other similar terms of meaning should be construed as non-exclusive inclusions. For example: including a feature (e.g., material, component, ingredient, carrier, formulation, material, dimension, part, component, mechanism, device, process, procedure, method, reaction condition, processing condition, parameter, algorithm, signal, data, product, or article of manufacture), is to be construed as including not only the particular feature explicitly listed but also other features not explicitly listed as such which are known in the art.
The term "consisting of … …" is meant to exclude any technical feature elements not explicitly listed. If used in a claim, the term shall render the claim closed except for the inclusion of the technical features that are expressly listed except for the conventional impurities associated therewith. If the term occurs in only one clause of the claims, it is defined only to the elements explicitly recited in that clause, and elements recited in other clauses are not excluded from the overall claims.
Unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, as for example: can be fixedly connected, can also be detachably connected or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms herein can be understood by those of ordinary skill in the art as appropriate.
The terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in an orientation or positional relationship that is indicated based on the orientation or positional relationship shown in the drawings for ease of description and simplicity of description only, and are not intended to imply or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting herein.
Details which are not described in detail in the embodiments of the invention belong to the prior art which is known to the person skilled in the art. Those not specifically mentioned in the examples of the present invention were carried out according to the conventional conditions in the art or conditions suggested by the manufacturer. The reagents or instruments used in the examples of the present invention are not specified by manufacturers, and are all conventional products available by commercial purchase.
The invention discloses a device for manufacturing a high-voltage cable terminal for a locomotive vehicle, which comprises a constant temperature box body and a supporting sleeve, wherein a constant temperature box cover and a temperature monitoring device are arranged on one side wall of the constant temperature box body, a hole is formed in the other side wall of the constant temperature box body, the supporting sleeve is formed by combining two stainless steel thin plates and jointly forms a thin-wall wedge-shaped cylinder with a small front end and a large rear end, the two supporting sleeves are buckled on a cable, the front ends of the two supporting sleeves are inserted into the constant temperature box body through the hole in the side wall, and a heat-shrinkable umbrella skirt is sleeved outside the supporting sleeve.
The back end of the supporting sleeve is provided with a handle.
The side wall of the incubator body is provided with a transparent window or is made of transparent materials.
The front end of the cable is exposed out of the front end of the support sleeve by 60-80 mm.
And a silicon oil layer is uniformly coated on the outer surface of the support sleeve.
In summary, the high-voltage cable terminal manufacturing device for the rolling stock according to the embodiment of the invention can place the cable shed in the closed constant-temperature device, so that the whole shed can be uniformly heated, the appearance is neat and the shape is uniform after thermal shrinkage, and the problem of the poor effect caused by nonuniform heating of the shed can be effectively avoided.
The specific process comprises the following steps:
the method comprises the steps of pre-assembling a cable terminal umbrella skirt and a high-voltage cable, and then putting the cable terminal umbrella skirt and the high-voltage cable into a closed constant temperature box for thermal shrinkage. Can heat the thermostated container inside through external circuit, temperature regulation and control, the thermostated container is transparent material all around and the top cap, can follow the outside and survey the pyrocondensation condition of inside cable. The umbrella skirt is isolated from the high-voltage cable through the supporting sleeve between the umbrella skirt and the high-voltage cable, after the temperature in the constant-temperature box rises to a certain temperature, the supporting sleeve is slowly moved, and the umbrella skirt can be gradually shrunk onto the high-voltage cable from the end part of the cable. By the method, the surface of the umbrella skirt is uniformly heated, the whole umbrella skirt is uniformly shrunk, the appearance of the umbrella skirt is neat and uniform in shape after the thermal shrinkage is finished, the rigidity of a cable terminal is improved, and the thermal shrinkage between the umbrella skirt and the high-voltage cable is firm. By prolonging the jointing time between the umbrella skirt and the high-voltage cable after the umbrella skirt is subjected to thermal shrinkage, the problem that air cannot be discharged in time between the umbrella skirt and the high-voltage cable is avoided.
In order to more clearly show the technical solutions and the technical effects provided by the present invention, the following detailed description is provided for the embodiments of the present invention with specific embodiments.
Example 1
The high-voltage cable terminal manufacturing device for the rolling stock adopts the closed space to carry out thermal shrinkage on the umbrella skirt, the temperature of the closed space is constant, and the temperature can be adjusted by an external adjusting device. The thermal shrinkage mode solves the problem of irregular thermal shrinkage caused by local thermal shrinkage by using a hot air gun, and avoids the phenomena of uneven stress of the cable, possible local gap between the umbrella skirt and the cable and the like caused by uneven thermal shrinkage. The umbrella skirt is heated uniformly in the thermal shrinkage process, and the umbrella skirt is neat in appearance and uniform in shape after the thermal shrinkage is finished. The service life of the cable is prolonged.
As shown in fig. 1, the technical solution specifically adopted is as follows: the umbrella skirt integrally penetrates through the preformed hole to be arranged in the constant temperature box, the temperature inside the constant temperature box is constant, the problem that the umbrella skirt is not consistent in shrinkage due to local heating of a hot air gun is solved, a supporting sleeve is arranged between the umbrella skirt and the cable, and the umbrella skirt is gradually shrunk onto the cable from the end part to the bottom of the umbrella skirt through the slow moving supporting sleeve. Thereby achieving the effects of tidy appearance and uniform shape of the umbrella skirt.
The constant temperature box device is composed of a constant temperature box body 2, a constant temperature box cover 3 and a temperature monitoring device 1. The inside of the case can be observed from the outside. Before thermal shrinkage, the umbrella skirt 5 is sleeved on the high-voltage cable 7, the stud 4 is exposed, and the edges of the umbrella skirt 5 and the high-voltage cable 7 are aligned.
As shown in fig. 2a and 2b, the support sleeve 6 is formed by combining two stainless steel thin plates, and forms a thin-walled wedge-shaped cylinder. After the supporting sleeve 6 is buckled on the cable, a proper amount of silicone oil is uniformly smeared on the surface of the supporting sleeve, so that the supporting sleeve can be smoothly taken out when the part 6 is extracted. The supporting sleeve 6 is inserted between the umbrella skirt 5 and the high-voltage cable 7 to separate the two. When in thermal shrinkage, the umbrella skirt 5 is ensured not to be immediately shrunk on the high-voltage cable 7, and the range of the size A is 60 mm-80 mm.
Silicone oil which is not easy to adhere to the umbrella skirt 5 is coated on the supporting sleeve 6, then the assembled umbrella skirt 5, the supporting sleeve 6 and the high-voltage cable 7 are placed in the incubator body 2, and the incubator cover 3 is closed. The gap between the incubator and the piece 6 is filled with heat-insulating cotton. During thermal shrinkage, set for certain temperature with temperature monitoring device 1, begin to start and continuously heat, after the certain period, the full skirt 5 begins thermal shrinkage through being heated, and the A end is wrapped gradually on cable 7. The rest part of the umbrella skirt 5 is coated on the supporting sleeve 6, and the supporting sleeve 6 is lubricated by coating silicon oil on the surface, so that the supporting sleeve and the supporting sleeve are not adhered. The handle 8 moves outwards while rotating slowly in the pyrocondensation process gradually, and the pyrocondensation condition of the umbrella skirt inside the box body is carefully observed in the moving process. The sheds 5 are heat-shrunk from the end of the high-voltage cable 7 and finally, when the support sleeve 6 is completely withdrawn, the sheds 5 are completely heat-shrunk onto the high-voltage cable 7.
Through the above process, it can be easily found that: firstly, the whole umbrella skirt 5 is heated uniformly in the whole process, and after the whole umbrella skirt 5 is heated, the shrinkage rate of each part of the umbrella skirt 5 is consistent. Therefore, the umbrella skirt 5 has neat appearance and uniform shape at the periphery after thermal shrinkage. The uniform shape ensures that the high-voltage cable 7 is stressed uniformly in all directions, and the requirement on the rigidity of the cable terminal is ensured to a certain extent. The phenomenon that the shrinkage process of the umbrella skirt 5 is inconsistent due to nonuniform local heating is avoided. Second, support cover 6 through removing at the pyrocondensation in-process, can effectively control the joint time of full skirt 5 and high tension cable 7, support cover 6 through the slow motion, can prolong the parcel time of full skirt 5 on high tension cable 7, avoided heating through the hot-blast rifle, full skirt 5 is because of the pyrocondensation time is short, the phenomenon that the air can't in time escape to gapped phenomenon between full skirt 5 and the high tension cable 7 has been avoided.
The invention mainly aims at the requirements of tidy appearance, uniform shape and rigidity of some outdoor terminals on the umbrella skirt in the terminal manufacturing process and the requirement of avoiding air gaps between the umbrella skirt and the high-voltage cable in the manufacturing process. The inside can heat of thermostated container, and the accessible outside sets up inside temperature regulation and control, and the pre-installation hole is left to box one end, and high tension cable and full skirt can pass the hole and place in the thermostated container. In the heating process of the umbrella skirt, the whole umbrella skirt is heated. The shed is separated from the high-voltage cable by a supporting sleeve. In the process that the umbrella skirt is heated, the supporting sleeve is slowly moved, so that the umbrella skirt is slowly fixed by thermal shrinkage from the end part of the high-voltage cable and finally completely fixed on the high-voltage cable by thermal shrinkage, and the requirement of removing air between the umbrella skirt and the high-voltage cable is met.
In conclusion, the umbrella skirt of the cable terminal is uniformly shaped and neat in appearance after being subjected to thermal shrinkage through integrally heating the umbrella skirt, and the phenomenon that the high-voltage cable is not uniformly stressed due to nonuniform thermal shrinkage is eliminated, so that the rigidity of the terminal is improved to a certain extent. Effectively avoided because the skirt is heated unevenly in the pyrocondensation in-process part and the skirt hem of the skirt warp the limit or the phenomenon that the overheat blackened. The electrical performance of the product is improved. Meanwhile, the problem that a gap is easily generated between the umbrella skirt and the cable due to short thermal shrinkage time is solved by prolonging the joint time of the umbrella skirt and the high-voltage cable.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims. The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is already known to a person skilled in the art.
Claims (5)
1. The utility model provides a high tension cable terminal making devices that rolling stock used, its characterized in that, includes the thermostated container box and supports the cover, a lateral wall of thermostated container box is equipped with thermostated container case lid and temperature monitoring device, the opposite lateral wall of thermostated container box opens porosely, it forms by two stainless steel sheet combinations to support the cover, constitutes a thin wall wedge drum that the front end is little, the rear end is big jointly, two support cover locks back on the cable, inserts its front end through the hole of lateral wall in the thermostated container box, pyrocondensation full skirt cover is in support the cover outside.
2. A high voltage cable termination formation apparatus for a rolling stock according to claim 1, wherein the rear end of the support sleeve is provided with a handle.
3. The apparatus for manufacturing a high voltage cable terminal for a rolling stock according to claim 2, wherein a transparent window is provided on a side wall of the oven body or a transparent material is used as a whole.
4. The apparatus according to claim 3, wherein the front end of the cable is exposed to the front end of the support cover by 60mm to 80 mm.
5. The apparatus for manufacturing a high voltage cable terminal for a rolling stock according to any one of claims 1 to 4, wherein the outer surface of the support sleeve is uniformly coated with a silicone oil layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210768516.5A CN115021160A (en) | 2022-07-01 | 2022-07-01 | High-voltage cable terminal manufacturing device for rolling stock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210768516.5A CN115021160A (en) | 2022-07-01 | 2022-07-01 | High-voltage cable terminal manufacturing device for rolling stock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115021160A true CN115021160A (en) | 2022-09-06 |
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ID=83079737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210768516.5A Pending CN115021160A (en) | 2022-07-01 | 2022-07-01 | High-voltage cable terminal manufacturing device for rolling stock |
Country Status (1)
| Country | Link |
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| CN (1) | CN115021160A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4961255A (en) * | 1988-11-10 | 1990-10-09 | Societa' Cavi Pirelli S.P.A. | Apparatus for applying an insulating sleeve to an electric cable joint |
| US5030810A (en) * | 1987-08-21 | 1991-07-09 | British Telecommunications Public Limited Company | Heating device |
| CN1509228A (en) * | 2001-05-15 | 2004-06-30 | 3M | Method for covering an article tubular cover member, tubular cover member and covered article |
| CN1675811A (en) * | 2002-07-03 | 2005-09-28 | 3M创新有限公司 | Slidingly detachable core member and cold shrink tube unit having the same |
| JP2008118749A (en) * | 2006-11-01 | 2008-05-22 | Hitachi Cable Ltd | Apparatus and method for heating heat shrinkable cable |
| CN102785359A (en) * | 2011-05-20 | 2012-11-21 | 3M创新有限公司 | Device and method for pre-expansion on site |
| CN107640371A (en) * | 2017-11-07 | 2018-01-30 | 惠州富盛绝缘材料有限公司 | A kind of firm means of defence of rotor oversheath pyrocondensation |
| CN207432775U (en) * | 2017-11-22 | 2018-06-01 | 深圳市双宇实业有限公司 | A kind of device of heat-shrink tube on pyrocondensation connecting line |
| CN112092353A (en) * | 2019-06-18 | 2020-12-18 | 无锡市新达电缆配件有限公司 | Cable sealing cap heating shrinking machine |
| CN215704107U (en) * | 2021-09-08 | 2022-02-01 | 深圳市丹凯科技有限公司 | Pyrocondensation pipe pyrocondensation device |
-
2022
- 2022-07-01 CN CN202210768516.5A patent/CN115021160A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5030810A (en) * | 1987-08-21 | 1991-07-09 | British Telecommunications Public Limited Company | Heating device |
| US4961255A (en) * | 1988-11-10 | 1990-10-09 | Societa' Cavi Pirelli S.P.A. | Apparatus for applying an insulating sleeve to an electric cable joint |
| CN1509228A (en) * | 2001-05-15 | 2004-06-30 | 3M | Method for covering an article tubular cover member, tubular cover member and covered article |
| CN1675811A (en) * | 2002-07-03 | 2005-09-28 | 3M创新有限公司 | Slidingly detachable core member and cold shrink tube unit having the same |
| JP2008118749A (en) * | 2006-11-01 | 2008-05-22 | Hitachi Cable Ltd | Apparatus and method for heating heat shrinkable cable |
| CN102785359A (en) * | 2011-05-20 | 2012-11-21 | 3M创新有限公司 | Device and method for pre-expansion on site |
| CN107640371A (en) * | 2017-11-07 | 2018-01-30 | 惠州富盛绝缘材料有限公司 | A kind of firm means of defence of rotor oversheath pyrocondensation |
| CN207432775U (en) * | 2017-11-22 | 2018-06-01 | 深圳市双宇实业有限公司 | A kind of device of heat-shrink tube on pyrocondensation connecting line |
| CN112092353A (en) * | 2019-06-18 | 2020-12-18 | 无锡市新达电缆配件有限公司 | Cable sealing cap heating shrinking machine |
| CN215704107U (en) * | 2021-09-08 | 2022-02-01 | 深圳市丹凯科技有限公司 | Pyrocondensation pipe pyrocondensation device |
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Application publication date: 20220906 |