CN110668250A - Constant-tension pay-off brake device and application method thereof - Google Patents
Constant-tension pay-off brake device and application method thereof Download PDFInfo
- Publication number
- CN110668250A CN110668250A CN201911030674.5A CN201911030674A CN110668250A CN 110668250 A CN110668250 A CN 110668250A CN 201911030674 A CN201911030674 A CN 201911030674A CN 110668250 A CN110668250 A CN 110668250A
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- brake
- rod
- spring
- adjusting screw
- screw rod
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000004804 winding Methods 0.000 abstract description 4
- 239000004020 conductor Substances 0.000 description 7
- 239000003973 paint Substances 0.000 description 3
- 238000010422 painting Methods 0.000 description 3
- 238000000137 annealing Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000005491 wire drawing Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000007591 painting process Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H49/00—Unwinding or paying-out filamentary material; Supporting, storing or transporting packages from which filamentary material is to be withdrawn or paid-out
- B65H49/18—Methods or apparatus in which packages rotate
- B65H49/20—Package-supporting devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
- B65H59/02—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by regulating delivery of material from supply package
- B65H59/06—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by regulating delivery of material from supply package by devices acting on material leaving the package
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
- B65H59/10—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by devices acting on running material and not associated with supply or take-up devices
- B65H59/36—Floating elements compensating for irregularities in supply or take-up of material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/06—Insulating conductors or cables
- H01B13/065—Insulating conductors with lacquers or enamels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/34—Handled filamentary material electric cords or electric power cables
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Tension Adjustment In Filamentary Materials (AREA)
Abstract
The invention relates to a constant-tension pay-off brake device and a using method thereof, belonging to the technical field of production of enameled winding wires for large-scale power transformers. The technical scheme of the invention is as follows: the height-adjustable supporting upright post (2) is provided with more than one position hole, and the twistable nut (4) is arranged in the position hole of the height-adjustable supporting upright post (2); one end of an adjusting screw rod (5) is connected with the twistable nut (4) through threads, the other end of the adjusting screw rod (5) is provided with an opening, a slideway communicated with the opening is arranged in the adjusting screw rod (5), one end of a sliding rod (7) is arranged in the slideway in a sliding mode, the other end of the sliding rod is hinged with a brake rod (8), and a spring (6) is sleeved outside the adjusting screw rod and the sliding rod; the brake block (10) is arranged at the top end of the brake rod, the tops of the two connecting rods are hinged with the brake rod, and the bottoms of the two connecting rods are hinged with the base (1). The invention does not need an air compressor to provide compressed air, has low requirement on the precision of the pay-off spool tool and saves a large amount of expenses.
Description
Technical Field
The invention relates to a constant-tension pay-off brake device and a using method thereof, belonging to the technical field of production of enameled winding wires for large-scale power transformers.
Background
The enameled wire for the transformer winding is generally prepared by annealing a copper or aluminum conductor with a certain specification, coating insulating paint, and then drying and heating to crosslink and solidify the insulating paint. At present, the manufacturing process of the enameled wire is mature, a bare wire adopted by the manufacturing of the enameled wire is mostly manufactured by adopting an extrusion or wire drawing process, the painting process requires that the bare wire is a soft wire, wherein the bare wire in the extrusion process is a soft wire, and the wire drawing bare wire needs to be annealed before painting to change a hard wire into a soft wire. The bare conductor is in a soft state during painting, so that the bare conductor is easy to shrink when tension is large, and after the bare conductor wound on a bobbin is drawn by a drawing and winding machine and enters annealing, painting and other process equipment, if the paying-off is not stable and the tension is small, the bare conductor is easy to shrink and shake, and particularly, the size change is large when the high-yield-strength enameled wire is produced, and even the wire is broken. The uneven thickness of the paint can be caused due to unstable pay-off tension, and the process requirement cannot be met. Therefore, the unstable paying-off tension can greatly improve the waste wire rate and seriously affect the product quality. In the current constant tension paying-off field in China, the pneumatic brake paying-off device needs an air compressor to continuously and stably provide an air source, energy consumption is very high, the technical requirement on a bobbin of the band-type brake paying-off device is very high, dynamic balance processing is needed, and acquisition and maintenance cost is huge.
Disclosure of Invention
The invention aims to provide a constant-tension pay-off brake device and a using method thereof, wherein a tension adjusting mechanism comprising a spring is used, so that the friction force on a brake drum can be kept stable continuously, and the pay-off can be kept stable in tension; the height adjusting function is provided, the paying-off tool can adapt to paying-off tools for bobbins with various specifications, and has the advantages of being high in stability, low in cost, simple to operate, energy-saving, environment-friendly, convenient to maintain and the like, compressed air supply is not needed to be provided by an air compressor, meanwhile, the precision requirement on the paying-off tool is not high, a large amount of expenses are saved, the effect is remarkable in practical application, the level of enameled wire manufacturing process and the product quality are greatly improved, the rejection rate is obviously reduced, and the problems existing in the background technology are effectively solved.
The technical scheme of the invention is as follows:
a constant-tension pay-off brake device comprises a base, a height-adjustable support upright, a twistable nut, a brake rod, parallel double connecting rods, a brake pad and a tension adjusting mechanism, wherein the height-adjustable support upright is arranged on the base, the height-adjustable support upright is provided with more than one position hole, and the twistable nut is arranged in the position hole of the height-adjustable support upright; the tension adjusting mechanism comprises an adjusting screw rod, a spring and a slide rod, one end of the adjusting screw rod is connected with the twistable nut through threads, the other end of the adjusting screw rod is provided with an opening, a slide way communicated with the opening is arranged in the adjusting screw rod, one end of the slide rod is arranged in the slide way in a sliding mode, the other end of the slide rod is hinged with the brake rod, and the spring is sleeved outside the adjusting screw rod and the slide rod; the brake block sets up on the top of brake lever, and parallel double link comprises two connecting rods, two connecting rod parallel arrangement, and the top of two connecting rods all is articulated with the brake lever, and the bottom of two connecting rods all is articulated with the base.
And an adjusting hand wheel is arranged at one end of the adjusting screw rod, which is far away from the sliding rod.
The sliding rod is hinged with the brake rod through a pin I.
The upper end and the lower end of the parallel double connecting rods are respectively hinged with the brake rod and the base through a second pin.
The twistable nut consists of a rotating rod and a nut which are fixedly connected, the adjusting screw rod is connected in the nut in a threaded mode, the rotating rod is inserted into the position hole of the height-adjustable supporting upright post, and the twistable nut can rotate on the position hole.
One end of the adjusting screw rod is a screw rod, the other end of the adjusting screw rod is a polished rod, a slide way is arranged inside the polished rod, and a first spring baffle is arranged outside the polished rod; one end of the sliding rod is arranged in the slideway at the end of the polished rod in a sliding manner, the other end of the sliding rod is hinged at the tail end of the brake rod, and the sliding rod is provided with a second spring baffle; the spring is sleeved outside the polished rod and the sliding rod, one end of the spring is fixed on the first spring baffle, the other end of the spring is fixed on the second spring baffle, and the sliding rod can slide in the polished rod to compress the spring.
The end part of the brake pad is arc-shaped and is matched with a brake drum on the pneumatic brake pay-off device.
A method for using a constant-tension pay-off brake device comprises the steps of ① adjusting a screw rod and a twistable nut to be matched to achieve adjustment of spring force, the spring force acts on a brake rod through a sliding rod, a brake pad is arranged at the top end of the brake rod and is in contact friction with the surface of a brake drum on a pneumatic brake pay-off device to achieve tension control of a pay-off shaft, ② parallel double connecting rods are arranged at the lower portion of the brake rod to guarantee that the pressure direction of the brake rod acting on the brake drum is kept unchanged, ③ if the brake drum is out of round or eccentric, the brake pad bears reaction force to drive the brake rod to act during rotation, the brake rod swings backwards along the parallel double connecting rods, the sliding rod slides into the adjusting screw rod, the spring contracts to avoid brake locking, and when a gap is formed between the brake drum and the brake pad, the spring pushes the brake rod to enable the friction force of the brake pad acting on the brake drum to be kept unchanged, and accordingly the purpose of pay-off.
The invention has the beneficial effects that: the tension adjusting mechanism comprising the spring can keep the friction force on the brake drum to be stable continuously, so that the pay-off tension is stable; the pay-off tool has the advantages of being high in stability, low in cost, simple to operate, energy-saving, environment-friendly, convenient to maintain and the like, the air compressor is not required to provide compressed air, meanwhile, the precision requirement on the pay-off spool tool is not high, a large amount of expenses are saved, the effect is remarkable in practical application, the enameled wire manufacturing process level and the product quality are greatly improved, and the rejection rate is obviously reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front perspective view of the present invention;
FIG. 3 is a rear perspective view of the present invention;
in the figure: the device comprises a base 1, a height-adjustable supporting upright post 2, an adjusting hand wheel 3, a twistable nut 4, an adjusting screw rod 5, a spring 6, a sliding rod 7, a brake rod 8, a parallel double-connecting rod 9, a brake pad 10, a first pin 11 and a second pin 12.
Detailed Description
The technical solution of the present invention is further described in detail with reference to the accompanying drawings and examples.
A constant-tension pay-off brake device comprises a base 1, a height-adjustable support upright 2, a twistable nut 4, a brake rod 8, a parallel double-connecting rod 9, a brake pad 10 and a tension adjusting mechanism, wherein the height-adjustable support upright 2 is arranged on the base 1, the height-adjustable support upright 2 is provided with more than one position hole, and the twistable nut 4 is arranged in the position hole of the height-adjustable support upright 2; the tension adjusting mechanism comprises an adjusting screw rod 5, a spring 6 and a slide rod 7, one end of the adjusting screw rod 5 is connected with the twistable nut 4 through threads, the other end of the adjusting screw rod 5 is provided with an opening, a slide way communicated with the opening is arranged in the opening, one end of the slide rod 7 is arranged in the slide way in a sliding mode, the other end of the slide rod 7 is hinged with a brake rod 8, and the spring 6 is sleeved outside the adjusting screw rod 5 and the slide rod 7; the brake block 10 is arranged at the top end of the brake rod 8, the parallel double-connecting rod 9 is composed of two connecting rods which are arranged in parallel, the tops of the two connecting rods are hinged with the brake rod 8, and the bottoms of the two connecting rods are hinged with the base 1.
And an adjusting hand wheel 3 is arranged at one end of the adjusting screw rod 5 far away from the sliding rod 7.
The sliding rod 7 is hinged with the brake rod 8 through a pin I11.
The upper end and the lower end of the parallel double connecting rod 9 are respectively hinged with the brake lever 8 and the base 1 through a pin II 12.
The twistable nut 4 consists of a rotating rod and a nut which are fixedly connected, the adjusting screw rod 5 is in threaded connection in the nut, and the rotating rod is inserted into a position hole of the height-adjustable supporting upright post 2.
One end of the adjusting screw rod 5 is a screw rod, the other end of the adjusting screw rod is a polished rod, a slide way is arranged in the polished rod, and a first spring baffle is arranged outside the polished rod; one end of the sliding rod 7 is arranged in the slideway at the end of the polished rod in a sliding manner, the other end of the sliding rod is hinged at the tail end of the brake rod 8, and the sliding rod 7 is provided with a second spring baffle; the spring 6 is sleeved outside the polished rod and the sliding rod 7, one end of the spring is fixed on the first spring baffle, and the other end of the spring is fixed on the second spring baffle.
The end part of the brake block 10 is arc-shaped and is matched with a brake drum on the pneumatic brake pay-off device.
A using method of a constant-tension pay-off brake device comprises the steps of ① adjusting a screw rod 5 and a twistable nut 4 to be matched to achieve adjustment of spring force, the spring force acts on a brake rod through a sliding rod, a brake pad is arranged at the top end of the brake rod, the brake pad is in contact friction with the surface of a brake drum on a pneumatic brake pay-off device to achieve tension control of a pay-off shaft, ② a parallel double connecting rod 9 is arranged at the lower portion of the brake rod to ensure that the pressure direction of the brake rod acting on the brake drum is kept unchanged, ③ if the brake drum is not round or eccentric, the brake pad 10 is subjected to reacting force to drive the brake rod 8 to move when the brake drum rotates, the brake rod 8 swings backwards along with the parallel double connecting rod 9, the sliding rod 7 slides into the adjusting screw rod 5 at the moment, the spring contracts to avoid brake locking, and when a gap is about to occur between the brake drum and the brake pad, the spring pushes the brake rod to enable the friction force of the brake pad acting on the.
In practical application, the brake block continuously rubs the brake drum on the pay-off rack to control the pay-off tension, and in order to ensure that the friction force is continuous and basically constant, the tension adjusting mechanism is designed by utilizing the elasticity principle of the spring, and the adjustment of the pay-off tension can be realized by rotating the adjusting screw rod. Because the spring is compressed all the time, the friction force exerted on the brake drum by the brake block is continuous, even if the brake drum is out of round or eccentric, the brake block is continuously contacted with the surface of the brake drum, and the friction force is kept all the time. If the dynamic balance of the paying-off shaft wound with the bare conductor is poor, the paying-off speed is suddenly fast or slow, even the bare conductor is pulled off, the friction force on the brake drum can be kept stable continuously by the invention, and the paying-off tension is kept stable. The invention also provides a paying-off tool which has a height adjusting function and can adapt to bobbins of various specifications.
The height-adjustable support upright post 2 is arranged on the base 1, a hole (position hole) is formed in the height-adjustable support upright post for installing the twistable nut 4, the adjusting screw 5 is matched with the twistable nut 4 to adjust the elastic force of the spring 6, the elastic force of the spring acts on the brake rod 8 through the sliding rod 7, the top end of the brake rod 8 is provided with the brake pad 10, and the brake pad 10 is in contact friction with the surface of a brake drum on the pneumatic brake pay-off device to realize tension control of the pay-off shaft. The two parallel double links 9 connected to the brake lever 8 are intended to ensure that the direction of the pressure exerted by the brake lever 8 on the brake drum remains unchanged.
If the brake drum is not concentric, the brake block is pushed by the counterforce to push the spring 6 when rotating, the spring 6 contracts to avoid locking of the brake, and when a gap is about to appear between the hub and the brake block 10, the spring 6 pushes the brake rod 8 to keep the friction force of the brake block 10 acting on the brake drum unchanged, so that the purpose of stable paying-off is achieved.
If the dynamic balance of the spool is not good, the rotating speed of the spool wound with bare wires is suddenly slow when the spool is unwound, the tension is suddenly high and small, the wires are suddenly sagged or tensioned, and accordingly the wires are shrunk or broken, and the brake lever 8 is always kept constant brake friction force due to the fact that the brake lever is pushed by the spring 6, and the problems can be avoided.
Claims (8)
1. The utility model provides a constant tension unwrapping wire brake equipment which characterized in that: the brake device comprises a base (1), a height-adjustable support upright post (2), a twistable nut (4), a brake lever (8), parallel double connecting rods (9), a brake pad (10) and a tension adjusting mechanism, wherein the height-adjustable support upright post (2) is arranged on the base (1), the height-adjustable support upright post (2) is provided with more than one position hole, and the twistable nut (4) is arranged in the position hole of the height-adjustable support upright post (2); the tension adjusting mechanism comprises an adjusting screw rod (5), a spring (6) and a sliding rod (7), one end of the adjusting screw rod (5) is connected with the twistable nut (4) through threads, the other end of the adjusting screw rod (5) is provided with an opening, a slideway communicated with the opening is arranged in the adjusting screw rod (5), one end of the sliding rod (7) is arranged in the slideway in a sliding mode, the other end of the sliding rod (7) is hinged to a brake rod (8), and the spring (6) is sleeved outside the adjusting screw rod (5) and the sliding rod (7); the brake block (10) is arranged at the top end of the brake rod (8), the parallel double connecting rods (9) are composed of two connecting rods which are arranged in parallel, the tops of the two connecting rods are hinged with the brake rod (8), and the bottoms of the two connecting rods are hinged with the base (1).
2. A constant tension pay-off brake as defined in claim 1, wherein: and an adjusting hand wheel (3) is arranged at one end of the adjusting screw rod (5) far away from the sliding rod (7).
3. A constant tension pay-off brake as defined in claim 1, wherein: the sliding rod (7) is hinged with the brake rod (8) through a first pin (11).
4. A constant tension pay-off brake as defined in claim 1, wherein: the upper end and the lower end of the parallel double connecting rod (9) are respectively hinged with the brake lever (8) and the base (1) through a pin II (12).
5. A constant tension pay-off brake as defined in claim 1, wherein: the twistable nut (4) consists of a rotating rod and a nut which are fixedly connected, the adjusting screw rod (5) is in threaded connection with the nut, and the rotating rod is inserted into a position hole of the height-adjustable supporting upright post (2).
6. A constant tension pay-off brake as defined in claim 1, wherein: one end of the adjusting screw rod (5) is a screw rod, the other end of the adjusting screw rod is a polished rod, a slide way is arranged in the polished rod, and a first spring baffle is arranged outside the polished rod; one end of the sliding rod (7) is arranged in the slideway at the end of the polished rod in a sliding way, the other end of the sliding rod is hinged at the tail end of the brake rod (8), and the sliding rod (7) is provided with a second spring baffle; the spring (6) is sleeved outside the polished rod and the sliding rod (7), one end of the spring is fixed on the first spring baffle, and the other end of the spring is fixed on the second spring baffle.
7. A constant tension pay-off brake as defined in claim 1, wherein: the end part of the brake block (10) is arc-shaped and is matched with a brake drum on the pneumatic brake pay-off device.
8. A method for using a constant-tension pay-off brake device is characterized by comprising the steps of ① adjusting a screw rod (5) and a rotatable nut (4) to be matched to adjust the elastic force of a spring, wherein the elastic force of the spring acts on a brake rod through a sliding rod, a brake pad is arranged at the top end of the brake rod and is in contact friction with the surface of a brake drum on a pneumatic brake pay-off device to control the tension of a pay-off shaft, ② parallel double connecting rods (9) are arranged at the lower part of the brake rod to ensure that the pressure direction of the brake rod acting on the brake drum is kept unchanged, ③ if the brake drum is not round or eccentric, the brake pad (10) is subjected to a reaction force to drive the brake rod (8) to act during rotation, the brake rod (8) swings backwards along with the parallel double connecting rods (9), the sliding rod (7) slides into the adjusting screw rod (5), the spring contracts to avoid locking of the brake, and when a gap is about to be formed between the brake drum and the brake pad, the spring pushes the brake rod to ensure that the friction force of the brake pad is kept to act on the brake drum stably so as to achieve the purpose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911030674.5A CN110668250A (en) | 2019-10-28 | 2019-10-28 | Constant-tension pay-off brake device and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911030674.5A CN110668250A (en) | 2019-10-28 | 2019-10-28 | Constant-tension pay-off brake device and application method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110668250A true CN110668250A (en) | 2020-01-10 |
Family
ID=69084545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911030674.5A Pending CN110668250A (en) | 2019-10-28 | 2019-10-28 | Constant-tension pay-off brake device and application method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110668250A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114933213A (en) * | 2022-06-21 | 2022-08-23 | 西安英利科电气科技有限公司 | Yarn constant tension device based on gravity |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1046735A1 (en) * | 1999-04-21 | 2000-10-25 | Lindauer Dornier Gesellschaft M.B.H | Device for influencing the tension in catch selvedges threads during weaving on looms |
| CN103282296A (en) * | 2011-01-05 | 2013-09-04 | Rjs公司 | Self-compensating filament tension control device with friction braking |
| CN203529596U (en) * | 2013-10-10 | 2014-04-09 | 苏州聚瑞光电科技有限公司 | Optical fiber pay-off rack |
| CN105215665A (en) * | 2015-10-29 | 2016-01-06 | 成都东科信航空自控设备有限公司 | Brake dismounting vehicle |
| CN206529139U (en) * | 2017-03-01 | 2017-09-29 | 江阴市钧益钢丝制品有限公司 | I-beam wheel actinobacillus device |
| CN207174994U (en) * | 2017-05-09 | 2018-04-03 | 广东顺德博汇科技股份有限公司 | The brake apparatus and film placing mechanism of film placing mechanism |
| CN207932726U (en) * | 2017-12-29 | 2018-10-02 | 楚天科技股份有限公司 | Film covering device |
| CN210763566U (en) * | 2019-10-28 | 2020-06-16 | 保定天威线材制造有限公司 | Constant tension pay-off brake device |
-
2019
- 2019-10-28 CN CN201911030674.5A patent/CN110668250A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1046735A1 (en) * | 1999-04-21 | 2000-10-25 | Lindauer Dornier Gesellschaft M.B.H | Device for influencing the tension in catch selvedges threads during weaving on looms |
| CN103282296A (en) * | 2011-01-05 | 2013-09-04 | Rjs公司 | Self-compensating filament tension control device with friction braking |
| CN203529596U (en) * | 2013-10-10 | 2014-04-09 | 苏州聚瑞光电科技有限公司 | Optical fiber pay-off rack |
| CN105215665A (en) * | 2015-10-29 | 2016-01-06 | 成都东科信航空自控设备有限公司 | Brake dismounting vehicle |
| CN206529139U (en) * | 2017-03-01 | 2017-09-29 | 江阴市钧益钢丝制品有限公司 | I-beam wheel actinobacillus device |
| CN207174994U (en) * | 2017-05-09 | 2018-04-03 | 广东顺德博汇科技股份有限公司 | The brake apparatus and film placing mechanism of film placing mechanism |
| CN207932726U (en) * | 2017-12-29 | 2018-10-02 | 楚天科技股份有限公司 | Film covering device |
| CN210763566U (en) * | 2019-10-28 | 2020-06-16 | 保定天威线材制造有限公司 | Constant tension pay-off brake device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114933213A (en) * | 2022-06-21 | 2022-08-23 | 西安英利科电气科技有限公司 | Yarn constant tension device based on gravity |
| CN114933213B (en) * | 2022-06-21 | 2024-05-31 | 西安英利科电气科技有限公司 | Yarn constant tension device based on gravity |
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