CN101537706A - Expanding device for a cold-shrinkage silicone rubber tube - Google Patents
Expanding device for a cold-shrinkage silicone rubber tube Download PDFInfo
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- CN101537706A CN101537706A CN200910031102A CN200910031102A CN101537706A CN 101537706 A CN101537706 A CN 101537706A CN 200910031102 A CN200910031102 A CN 200910031102A CN 200910031102 A CN200910031102 A CN 200910031102A CN 101537706 A CN101537706 A CN 101537706A
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Abstract
The invention discloses an expanding device for a cold-shrinkage silicone rubber tube, comprising a stand and also comprising a distance adjusting device, a displacement device, a discharge device, a positioning device, an expanding device and a mould moving devicewhich are arranged on the stand. After the cold-shrinkage silicone rubber tube is positioned in a vacuumized mould on the mould removing device, two ends of the cold-shrinkage silicone rubber tube are pre-expanded by the expanding device, and the pre-expanded tube ends are pressed tightly at the ports of the vacuum mould. A mould cavity is sealed, the mould is vacuumized, and the outside diameter of the cold-shrinkage silicone rubber tube is expanded. A prefabricated supporting bar is caused to pass through the cold-shrinkage silicone rubber tube by human power. The vacuum is closed. The cold-shrinkage silicone rubber tube freely restores and shrinks on the surface of the pre-fabricated supporting bar under the atmosphere pressure, and then the expansion of the cold-shrinkage silicone rubber tube is finished. The expanding device is particularly applicable to the requirements on the expansion of a long cold-shrinkage silicone rubber tube of a cable accessory, expands the cold-shrinkage silicone rubber tube which is difficult for human power to expand by mechanical power, adopts a gas supply as the power supply, consumes less energy and causes no environmental pollution,; and the working mode of the expanding device can greatly reduce the labor intensity and improve the production benefit.
Description
Technical field
The present invention relates to a kind of plant equipment, it is mainly used in a kind of cable accessory-cold-shrinkage silicone rubber tube is carried out the physics expansion and places the support bar surface, finishes cold-shrinkage silicone rubber tube expansion processing request.
Technical background
Along with the development of power industry technologies, cold-shrink technology is used widely in the power cable construction, and the trend of replacement pyrocondensation technology is in the past arranged.Cold-shrinkage silicone rubber tube is exactly one of cable accessory wherein commonly used, therefore how to improve its expansion efficient, improves expansion manually-operated intensity and just becomes one of key factor of this product augmentation.
Cold-shrinkage silicone rubber tube expanded form in the past all adopts steel wire expansion, cone traction expansion or the expansion of blowing, and effect is all undesirable.
The steel wire expansion is owing to need to insert steel wire in the cold-shrinkage silicone rubber tube in advance when expansion, by force steel wire is extracted out again after waiting to expand, the cold-shrinkage silicone rubber tube inwall will produce cut, and this will be unfavorable for very that the safety of product comes into operation, so be a kind of unfavorable expansion pattern.
Cone traction expansion is a cavity of support bar being put into cone, by cone is drawn, cone is passed from cold-shrinkage silicone rubber tube, thereby cold-shrinkage silicone rubber tube is put the expansion pattern that stays on support bar.This mode is easy to the cold-shrinkage silicone rubber tube inwall is stayed cut on the one hand; On the other hand because of in distraction procedure,, and make the easy waviness of cold-shrinkage silicone rubber tube after the expansion to the cold-shrinkage silicone rubber tube axial compression.This all can produce potential safety hazard after installation.
The expansion of blowing need be carried out predilation and blow, because cold-shrinkage silicone rubber tube elasticity is very big, swell increment is wayward under compressed air, and the axial elongation of cold-shrinkage silicone rubber tube is bigger under radially limiting, if limited simultaneously, cold-shrinkage silicone rubber tube will twist under gas pressure, and this is unfavorable for the carrying out of follow-up work, also be difficult to finish the expansion manufacturing technique requirent of cold-shrinkage silicone rubber tube.
The cold-shrinkage silicone rubber tube expansion device is exactly a kind of special equipment that designs invention for the deficiency that solves above expansion pattern.
Summary of the invention
Technical problem to be solved by this invention provides a kind of safe cold-shrinkage silicone rubber tube expansion device, and this equipment can not damage silicone rubber tube when the expansion cold-shrinkage silicone rubber tube, and the swell increment of easier control silicone rubber tube.
The extension fixture of cold-shrinkage silicone rubber tube of the present invention, it comprises frame and is located at roll-setting gear, gearshift, extension fixture and mould shifting device on the frame, wherein:
Roll-setting gear comprises roll adjustment screw mandrel and roll adjustment seat, and the roll adjustment seat is fixed on the frame, and roll adjustment screw mandrel and roll adjustment seat are the nut screw pair, and the displacement gripper shoe in the gearshift links to each other with roll adjustment screw mandrel top and can be along screw mandrel axial displacement;
Gearshift comprises top offset plate, displacement gripper shoe, bottom offset plate, first cylinder and second cylinder, the bottom offset plate is installed on the displacement gripper shoe by planar contact pair, the top offset plate is installed on the bottom offset plate by planar contact pair, described extension fixture is installed on the top offset plate, first cylinder is installed in downside behind the bottom offset plate, and second cylinder is installed in displacement gripper shoe rear side.The piston rod of first cylinder is connected with the top offset plate, and the piston rod of second cylinder is connected with the bottom offset plate;
Extension fixture comprises the 3rd cylinder, mounting disc, and power plate, spreading axis, expansion pawl and expandable stent, expandable stent are installed on the top offset plate, and mounting disc is fixedly mounted on the expandable stent, and power plate is coaxial to be installed in the mounting disc; Be provided with radial groove in the mounting disc, the expansion pawl is installed in the mounting disc radial groove; The 3rd cylinder is fixed on the expandable stent, on the axle of the 3rd cylinder, be provided with tooth bar, the gear teeth and the tooth bar engagement of power plate by being provided with on the circumference, end face upper edge at power plate is circumferentially with some deep-slotted chip breakers, and Dui Ying spreading axis is floating with it is through in the deep-slotted chip breaker, can slide with deep-slotted chip breaker, spreading axis is fixedly connected into overall structure with the expansion pawl, when spreading axis slided with deep-slotted chip breaker, the expansion pawl was limited in the mounting disc internal degree of freedom, therefore can only do radial displacement in the radial groove of mounting disc front;
Mould shifting device is located on the frame, its both sides are extension fixture, mould shifting device comprises base and guide holder, guide holder is fixed on the frame, base is located on the guide groove of guide holder by guideway, and drives the front and back slip by four-cylinder, and four-cylinder is installed on the cylinder block, cylinder block is fixed on the guide holder, and mould is installed on the axle on base top.
In addition, it can also be provided with device for discharging and positioner, wherein device for discharging comprises discharging support, discharging crossbeam, discharging sleeve, the 5th cylinder and the 6th cylinder, the discharging crossbeam is fixed on the displacement gripper shoe by the discharging support, and be positioned at outside the extension fixture, the 5th cylinder is located at discharging crossbeam top, and the 6th cylinder level is to being located at discharging crossbeam below, and the discharging sleeve is installed in the 6th cylinder top.
Positioner comprises mount pad, alignment pin and the 7th cylinder, and the 7th cylinder is fixed on the top offset plate by mount pad, and is positioned at the extension fixture outside, and alignment pin is vertically mounted on the 7th cylinder lower end, under the 7th cylinder action, does vertically flexible.
Vacuumizing mould is one section concentric annular pipe, stretch out at interior pipe two ends wherein, its role is to after the extension fixture pre-expansion is passed through at the cold-shrinkage silicone rubber tube two ends, by gearshift, can carry out minute-pressure to pipe two ends in the mould easily, make the cold-shrinkage silicone rubber tube two ends and the interior pipe of the mould two-port that have expanded be adjacent to, thereby dies cavity is sealed, the inner tubal wall face aperture that gathers, outer tube both ends of the surface and outer wall of inner tube sealing are provided with at the sidewall of outer tube and vacuumize interface.
The present invention carries out the preliminary pre-expansion of machinery earlier to the cold-shrinkage silicone rubber tube two ends, expands fully in an enterprising step of vacuum mold then, inserting support bar to the cold-shrinkage silicone rubber tube inner chamber after the expansion fully, finishes the expansion production process of cold-shrinkage silicone rubber tube.Because the restriction of vacuum mold makes the cold-shrinkage silicone rubber tube swell increment be restricted, and can not break, in addition, because the aperture and the support bar size correspondence of mould, support bar can be very well directly puts into cold-shrinkage silicone rubber tube after the expansion, has avoided cold-shrinkage silicone rubber tube to be scratched.
Advantage of the present invention:
1, adopt the expansion pawl to carry out the cold-shrinkage silicone rubber tube pre-expansion, mechanical work reduces artificial intensity, the efficient height;
2, vacuum expansion, properties of product are not damaged, and are safe and reliable;
3, adopt compressed air as the energy, the energy is clean, environmental protection.
4, operation PLC control is easy to adjust, and operation is reliable.
5, the present invention is fit to cable accessory cold-shrinkage silicone rubber tube series expansion manufacturing technique requirent.
Description of drawings
Fig. 1 is an installation diagram of the present invention, and wherein a is a front view, and b is a left view, and c is a vertical view;
Fig. 2 is the structural representation of roll-setting gear among Fig. 1;
Fig. 3 is the structural representation of gearshift among Fig. 1, and wherein a is a front view, and b is a vertical view;
Fig. 4 is the structural representation of extension fixture among Fig. 1, and wherein a is a front view, and b is a left view, and c is a rearview;
Fig. 5 is the structural representation of mould shifting device among Fig. 1, and wherein a is a front view, and b is a left view;
Fig. 6 is the structural representation of device for discharging among Fig. 1;
Fig. 7 is the structural representation of positioner among Fig. 1;
Fig. 8 is the structural representation of mould, and wherein a is main cutaway view, and b is that A-A is to cutaway view.
The specific embodiment
As shown in Figure 1, the extension fixture of a kind of cold-shrinkage silicone rubber tube of the present invention, mainly comprise frame 2 and be located at roll-setting gear 1, gearshift 3, device for discharging 4, positioner 5, extension fixture 6 and mould shifting device 7 on the frame 2,8 of electrical control gears are located on the mould shifting device 7.Wherein:
As Fig. 2, roll-setting gear 1 comprises roll adjustment screw mandrel 11 and roll adjustment seat 12, roll adjustment seat 12 is fixed on the frame 2, and roll adjustment screw mandrel 11 is the nut screw pair with roll adjustment seat 12, and the displacement gripper shoe 32 in the gearshift 3 links to each other with roll adjustment screw mandrel 11 tops and can be along screw mandrel axial displacement.
As Fig. 3, gearshift 3 comprises top offset plate 31, displacement gripper shoe 32, bottom offset plate 33, the first cylinder D and the second cylinder C, bottom offset plate 33 is installed on the displacement gripper shoe 32 by planar contact pair, top offset plate 31 is installed on the bottom offset plate 33 by planar contact pair, described extension fixture 6 is installed on the top offset plate 31,, the first cylinder D is installed in bottom offset plate 33 back downsides, and the second cylinder C is installed in displacement gripper shoe 32 rear sides.The piston rod of the first cylinder D is connected with top offset plate 31, and the piston rod of the second cylinder C is connected with bottom offset plate 33.
As Fig. 4, extension fixture 6 comprises the 3rd cylinder F, mounting disc 61, power plate 62, spreading axis 63, expansion pawl 64 and expandable stent 66, expandable stent 66 is installed on the top offset plate 31, and mounting disc 61 is fixedly mounted on the expandable stent 66, power plate 62 coaxial being installed in the mounting disc 61; Be provided with radial groove in the mounting disc 61, expansion pawl 64 is installed in mounting disc 61 radial grooves; The 3rd cylinder F is fixed on the expandable stent 66, is provided with tooth bar 65 on the axle of the 3rd cylinder F, the gear teeth and tooth bar 65 engagements of power plate 62 by being provided with on the circumference; End face upper edge at power plate 62 is circumferentially with some deep-slotted chip breakers, corresponding with it spreading axis 63 floating being through in the deep-slotted chip breaker; Spreading axis 63 is connected with expansion pawl 64, and the expansion pawl is limited in the expansion dish internal degree of freedom, therefore can only do radial displacement.
As Fig. 5, mould shifting device 7 is located on the frame, its both sides are extension fixture 6, mould shifting device 7 comprises base 71 and guide holder 72, and guide holder 72 is fixed on the frame, and base 71 is connected with guide holder 72 by guideway, and by sliding before and after the four-cylinder G drive, four-cylinder G is installed on the cylinder block 73, and cylinder block 73 is fixed on the guide holder 72, vacuumizes mould 9 and is installed in base 71 tops.
As Fig. 6, device for discharging comprises discharging support 41, discharging crossbeam 42, discharging sleeve 43, the 5th cylinder A and the 6th cylinder B, discharging crossbeam 42 is fixed on the displacement gripper shoe 32 by discharging support 41, and be positioned at extension fixture 6 outsides, the 5th cylinder A is located at discharging crossbeam 42 tops, the 6th cylinder B level is to being located at discharging crossbeam 42 belows, and discharging sleeve 43 is installed in the 6th cylinder B top.
As Fig. 7, positioner 5 comprises mount pad 51, alignment pin 52 and the 7th cylinder E, and the 7th cylinder E is fixed on the top offset plate 31 by mount pad 51, and be positioned at extension fixture 6 outsides, alignment pin 52 is vertically mounted on the 7th cylinder E lower end, under the 7th cylinder E effect, does vertically flexible.
As Fig. 8, vacuumizing mould 9 is one section concentric annular pipe, stretch out at interior pipe 91 two ends wherein, its role is to pass through gearshift after the extension fixture pre-expansion is passed through at the cold-shrinkage silicone rubber tube two ends, can carry out minute-pressure to pipe two ends in the mould easily, make cold-shrinkage silicone rubber tube two ends and the interior two-port of managing of mould has expanded be adjacent to, thereby dies cavity is sealed, the interior pipe 91 walls aperture 92 that gathers, outer tube 93 both ends of the surface and interior pipe 91 closed front are provided with at the sidewall of outer tube 93 and vacuumize interface 94.
This equipment operating process:
According to the length of cold-shrinkage silicone rubber tube,, gearshift is moved to the precalculated position by roll-setting gear; By mould shifting device mould is shifted out; Cold-shrinkage silicone rubber tube under the free state is placed in the mould of mould shifting device; By mould shifting device mould is withdrawn; Extension fixture carries out two pipe end pre-expansions to cold-shrinkage silicone rubber tube under gearshift and positioner effect; Respectively two pipe ends are pressed in the both ends of the surface of mould shifting device mould; By vavuum pump the mould shifting device mould is vacuumized, cold-shrinkage silicone rubber tube is further expanded expanded to reach fully; Manually penetrate support bar; Close vacuum; Cold-shrinkage silicone rubber tube after will expanding under the device for discharging effect unloads, and finishes cold-shrinkage silicone rubber tube expansion production process.
Each several part function of the present invention:
Frame: be used to carry follow-up functional part, support whole plant equipment.
Roll-setting gear (Fig. 2): by the roll adjustment seat roll-setting gear is fixed in the frame both sides, the roll adjustment screw mandrel is connected with displacement gripper shoe in the gearshift, rotary screw, and gearshift will reach the adjustable range function along screw mandrel axial displacement.To adapt to the cold-shrinkage silicone rubber tube expansion needs of different length specification.
Device for discharging (Fig. 6): the discharging crossbeam is under cylinder A effect, move down, the discharging sleeve arrives the centre-height of extension fixture, under cylinder B effect, the discharging sleeve stretches out forward, under the effect of gearshift cylinder D, makes extension fixture to two side shiftings then, the cold-shrinkage silicone rubber tube that is preset on the expansion pawl is unloaded, finish the discharging function.
Gearshift (Fig. 3): extension fixture is installed on the top offset plate, the top offset plate moves axially about under the cylinder D effect, the operating space is required when satisfying expansion, and cylinder C fine motion roll adjustment vertically when the extension fixture pre-expansion is pressed on the die face cold-shrinkage silicone rubber tube end.
Positioner (Fig. 7): alignment pin is done axial displacement under cylinder E effect, stretches out or withdraws.Positioner is fixed on the top offset plate of gearshift, and when alignment pin stretches out, the top offset plate will be located, and cylinder D stretches out withdrawal with restricted in the gearshift at this moment, thus the positioning function of playing.
Extension fixture (Fig. 4): extension fixture is fixed on the top offset plate of gearshift.Under cylinder F effect, power plate is done the circumferencial direction rotation by the tooth bar that is installed on the cylinder axis, driving spreading axis slides in the power plate arc groove, spreading axis is connected with the expansion pawl, because the expansion pawl is limited in the expansion dish internal degree of freedom, therefore can only do radial displacement, when cold-shrinkage silicone rubber tube is placed on the expansion pawl of withdrawal, cold-shrinkage silicone rubber tube is expanded in cylinder F effect, thereby finishes the planning function of cold-shrinkage silicone rubber tube pipe end.
Mould shifting device (Fig. 5): be fixed on the frame, displacement before and after mould is done under the effect of cylinder G increases the operating space to reach.
Mould (Fig. 8): mould double-walled hollow design, insert mould when cold-shrinkage silicone rubber tube, after pipe end seals, can vacuumize operation to cold-shrinkage silicone rubber tube, cold-shrinkage silicone rubber tube is expanded to mould inner wall under vacuum.Finish expansion fully.
Concrete operations step of the present invention:
1, starts power supply;
2, according to the length of cold-shrinkage silicone rubber tube, gearshift is moved on to the precalculated position;
3, mould goes out: by the mould shifting device action, mould is shifted out;
4, place silicone rubber tube: the cold-shrinkage silicone rubber tube under the original state is inserted in the mould that shifts out;
5, mould returns: by the mould shifting device action, mould is withdrawn;
6, left pre-expansion: the cold-shrinkage silicone rubber tube left end is placed on the left side expansion pawl, and the expansion pawl carries out little expansion;
7, right pre-expansion: the cold-shrinkage silicone rubber tube right-hand member is placed on the right side expansion pawl, and the expansion pawl carries out little expansion;
8, location: left and right sides extension fixture carries out the location, position by technological requirement;
9, the expansion: about the expansion pawl with cold-shrinkage silicone rubber tube pipe end pre-expansion;
10, minute-pressure sealing: the cold-shrinkage silicone rubber tube pipe end that displacement fine motion cylinder is good with pre-expansion carries out minute-pressure to mould, the cold-shrinkage silicone rubber tube that expanded and mould port is adjacent to carries out sealed mold;
11, vacuumize: mould is vacuumized, make cold-shrinkage silicone rubber tube expansion fully under vacuum action;
12, place support bar: in the good cold-shrinkage silicone rubber tube of expansion, insert support bar;
13, coat: close vacuum plant, make cold-shrinkage silicone rubber tube be close to the support bar surface;
14, discharging: device for discharging work, the discharging sleeve stretches out, and under the gearshift acting in conjunction cold-shrinkage silicone rubber tube is unloaded from the expansion pawl;
15, pickup: mould shifting device will expand good cold-shrinkage silicone rubber tube and shift out, and manually take off the good cold-shrinkage silicone rubber tube of expansion, finish the expansion of a cold-shrinkage silicone rubber tube;
16, produce in batches: repeat preface 3～15 actions, finish the same specification cold-shrinkage silicone rubber tube and expand production in batches;
17, stop: quitting work;
18, powered-down.
The invention provides a kind of thinking of extension fixture of cold-shrinkage silicone rubber tube; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvement and variation, these improvement and variation also should be considered as protection scope of the present invention.
Claims (4)
1, a kind of extension fixture of cold-shrinkage silicone rubber tube is characterized in that: it comprises frame (2) and is located at roll-setting gear (1), gearshift (3), extension fixture (6) and mould shifting device (7) on the frame (2), wherein:
Roll-setting gear (1) comprises roll adjustment screw mandrel (11) and roll adjustment seat (12), roll adjustment seat (12) is fixed on the frame (2), roll adjustment screw mandrel (11) is the nut screw pair with roll adjustment seat (12), and the displacement gripper shoe (32) in the gearshift (3) links to each other with roll adjustment screw mandrel (11) and can be along screw mandrel axial displacement;
Gearshift (3) comprises top offset plate (31), displacement gripper shoe (32), bottom offset plate (33), first cylinder (D) and second cylinder (C), bottom offset plate (33) is installed on the displacement gripper shoe (32) by planar contact pair, top offset plate (31) is installed on the bottom offset plate (33) by planar contact pair, described extension fixture (6) is installed on the top offset plate (31), first cylinder (D) is installed in bottom offset plate (33) back downside, and second cylinder (C) is installed in displacement gripper shoe (32) rear side.The piston rod of first cylinder (D) is connected with top offset plate (31), and the piston rod of second cylinder (C) is connected with bottom offset plate (33);
Extension fixture (6) comprises the 3rd cylinder (F), mounting disc (61), power plate (62), spreading axis (63), expansion pawl (64) and expandable stent (66), expandable stent (66) is installed on the top offset plate (31), mounting disc (61) is fixedly mounted on the expandable stent (66), and power plate (62) is coaxial to be installed in the mounting disc (61); Mounting disc is provided with radial groove in (61), and expansion pawl (64) is installed in mounting disc (61) radial groove; The 3rd cylinder (F) is fixed on expandable stent (66), is provided with tooth bar (65) on the axle of the 3rd cylinder (F), the gear teeth and tooth bar (65) engagement of power plate (62) by being provided with on the circumference; End face upper edge at power plate (62) is circumferentially with some deep-slotted chip breakers, and Dui Ying spreading axis (63) is floating with it is through in the deep-slotted chip breaker, can slide with deep-slotted chip breaker; Spreading axis (63) is fixedly connected into overall structure with expansion pawl (64), and when spreading axis (63) slided with deep-slotted chip breaker, expansion pawl (64) was limited in mounting disc (61) internal degree of freedom, can only do radial displacement in the radial groove in mounting disc;
Mould shifting device (7) is located on the frame, its both sides are extension fixture (6), mould shifting device (7) comprises base (71) and guide holder (72), guide holder (72) is fixed on the frame, base (71) is connected with guide holder (72) by guideway, and drives the front and back slip by four-cylinder (G), and four-cylinder (G) is installed on the cylinder block (73), cylinder block (73) is fixed on the guide holder (72), vacuumizes mould (9) and is installed in base (71) top.
2, the extension fixture of cold-shrinkage silicone rubber tube according to claim 1, it is characterized in that: it also is provided with device for discharging (4), device for discharging comprises discharging support (41), discharging crossbeam (42), discharging sleeve (43), the 5th cylinder (A) and the 6th cylinder (B), discharging crossbeam (42) is fixed on the displacement gripper shoe (32) by discharging support (41), and be positioned at outside the extension fixture (6), the 5th cylinder (A) is located at discharging crossbeam (42) top, the 6th cylinder (B) level is to being located at discharging crossbeam (42) below, and discharging sleeve (43) is installed in the 6th cylinder (B) top.
3, the extension fixture of cold-shrinkage silicone rubber tube according to claim 1 and 2, it is characterized in that: it also is provided with positioner (5), positioner (5) comprises mount pad (51), alignment pin (52) and the 7th cylinder (E), the 7th cylinder (E) is fixed on the top offset plate (31) by mount pad (51), and be positioned at outside the extension fixture (6), alignment pin (52) is vertically mounted on the 7th cylinder (E) lower end, under the 7th cylinder (E) effect, does vertically flexible.
4, the extension fixture of cold-shrinkage silicone rubber tube according to claim 1 and 2, it is characterized in that: the described mould (9) that vacuumizes is one section concentric annular pipe, stretch out at interior pipe (91) two ends wherein, the densely covered aperture (92) of interior pipe (91) wall, outer tube (93) both ends of the surface and interior pipe (91) closed front are provided with at the sidewall of outer tube (93) and vacuumize interface (94).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100311029A CN101537706B (en) | 2009-04-27 | 2009-04-27 | Expanding device for a cold-shrinkage silicone rubber tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100311029A CN101537706B (en) | 2009-04-27 | 2009-04-27 | Expanding device for a cold-shrinkage silicone rubber tube |
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| Publication Number | Publication Date |
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| CN101537706A true CN101537706A (en) | 2009-09-23 |
| CN101537706B CN101537706B (en) | 2012-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009100311029A Active CN101537706B (en) | 2009-04-27 | 2009-04-27 | Expanding device for a cold-shrinkage silicone rubber tube |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102642291A (en) * | 2012-04-28 | 2012-08-22 | 东莞日进电线有限公司 | Preparation technique for large-diameter silicone tube |
| CN105945854A (en) * | 2016-04-27 | 2016-09-21 | 上海怡博船务有限公司 | Vacuum claw type rubber tube sleeving device |
| CN106451257A (en) * | 2016-12-07 | 2017-02-22 | 七星电气股份有限公司 | Pre-expanding device and method of contraction cable attachment |
| CN113594776A (en) * | 2021-08-06 | 2021-11-02 | 保定正开电缆附件有限公司 | Expansion device for silicone rubber cable intermediate joint |
-
2009
- 2009-04-27 CN CN2009100311029A patent/CN101537706B/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102642291A (en) * | 2012-04-28 | 2012-08-22 | 东莞日进电线有限公司 | Preparation technique for large-diameter silicone tube |
| CN102642291B (en) * | 2012-04-28 | 2014-05-07 | 东莞日进电线有限公司 | Preparation technique for large-diameter silicone tube |
| CN105945854A (en) * | 2016-04-27 | 2016-09-21 | 上海怡博船务有限公司 | Vacuum claw type rubber tube sleeving device |
| CN106451257A (en) * | 2016-12-07 | 2017-02-22 | 七星电气股份有限公司 | Pre-expanding device and method of contraction cable attachment |
| CN106451257B (en) * | 2016-12-07 | 2018-06-15 | 七星电气股份有限公司 | A kind of cold shrinking power cable adjunct predilation device and method |
| CN113594776A (en) * | 2021-08-06 | 2021-11-02 | 保定正开电缆附件有限公司 | Expansion device for silicone rubber cable intermediate joint |
| CN113594776B (en) * | 2021-08-06 | 2023-11-24 | 保定正开电缆附件有限公司 | Expansion device for middle joint of silicone rubber cable |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101537706B (en) | 2012-05-23 |
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