CN201859743U - Binding structure of transformer core limb - Google Patents
Binding structure of transformer core limb Download PDFInfo
- Publication number
- CN201859743U CN201859743U CN2010202874661U CN201020287466U CN201859743U CN 201859743 U CN201859743 U CN 201859743U CN 2010202874661 U CN2010202874661 U CN 2010202874661U CN 201020287466 U CN201020287466 U CN 201020287466U CN 201859743 U CN201859743 U CN 201859743U
- Authority
- CN
- China
- Prior art keywords
- binding
- core limb
- horn
- polyester
- core
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Package Frames And Binding Bands (AREA)
Abstract
The utility model provides a binding structure of a transformer core limb, comprising a core limb, a horn tensioning device and a plurality of binding tapes bound at the periphery of the core limb. Each binding tape consists of three rows of parallel polyester rings; and the horn tensioning device tensions the core disks of the core limb. The transformer core limb is bound by Tenax polyester tapes matched with the horn tensioning device, therefore the binding force is big enough and the binding is tighter; after the tensioning device is detached, the Tenax polyester tapes do not rebound basically, therefore, the problem that the core can not be bound tightly when the diameter of the core limb is big, and simultaneously the noise and the no-load loss are lowered; the binding efficiency is improved, a great quantity of work time is saved, the manufacturing period of the core is shortened, the production efficiency is improved, the labor intensity of workers is lowered, and the operation is very convenient; the Tenax polyester tapes have big binding force, high tension-resistance strength, low cost and good economic benefit; and the binding structure of the transformer core limb has the advantages of being economical and practical, simple in structure, and convenient for binding, improving the properties, and the like.
Description
Technical field
The utility model belongs to transformer manufacture technology, particularly relates to a kind of binding structure of leg.
Background technology
Present domestic most transformer producer, the raw material of core limb lamination colligation are that alkali-free glass fibre does not have latitude band (being called for short no latitude band) or the rare latitude band of alkali-free glass fibre (being called for short rare latitude band), this kind material epoxy resin dipping forms the resin impregnation glass fiber winding tapes through the oven dry back.The tensile strength of this binding strap exceeds much than its raw material, but binding strap cost height, waste is big.When this colligation mode adopted artificial colligation, efficient was low, appearance poor, and colligation power is little; And when adopting colligation machine colligation unshakable in one's determination, colligation machine and anchor clamps cost of manufacture height unshakable in one's determination, technological operation complexity.And colligation thickness is generally 1.5mm or 2mm now, and adhesive tape thickness only is 0.1mm, and the per pass colligation all needs 15 to 20 layers, and the colligation time is long, also need solidify a period of time after colligation is good, and production efficiency is low.Along with the development of modern society, the user requires also more and more higher to the noise of transformer, and this just requires the core limb colligation must be more fastening reliable, and when the core limb diameter was big, the colligation power of resin impregnation glass fiber winding tapes had been difficult to meet the demands.
The utility model content
It is more reasonable that the purpose of this utility model provides a kind of structure, and colligation is more reliable, the binding structure of practical and convenient leg.
To achieve these goals, the utility model adopts following technical scheme:
A kind of binding structure of leg comprises core limb and some colligations in the binding strap of described core limb periphery, and in the described binding strap every is made up of three polyester packing belts arranged side by side.
Described core limb periphery is fixed with the goat's horn tightening device, and this goat's horn tightening device comprises goat's horn and the torque spanner around the wirerope of described core limb periphery, fastening wirerope.
The wide of described polyester endless belt is 19mm, the thick 1.27mm of being.
The material of described polyester endless belt is PET.
Compared with prior art, the binding structure of a kind of leg of the utility model, it adopts the Tenax polyester belt to cooperate colligation with the goat's horn tightening device, colligation power is enough big, colligation is more fastening, the Tenax polyester belt does not have bounce-back substantially after removing Tightener, thereby has solved the not tight problem of colligation unshakable in one's determination when the core limb diameter is big, has also reduced noise and no-load loss simultaneously; Colligation efficient improves, and saves a large amount of man-hours, shortens the manufacturing cycle unshakable in one's determination, enhances productivity; Labor strength is low, and it is extremely convenient to operate, and improves labour intensity; Tenax polyester belt colligation power is big, the tensile strength height, and cost is low, and good in economic efficiency; Advantages such as the binding structure of this kind leg has economical and practical, and is simple in structure, improves performance, and colligation is convenient.
Description of drawings
Fig. 1 is the binding structure schematic diagram of a kind of leg of the utility model;
Fig. 2 tightens up the schematic diagram of core limb for the goat's horn tightening device.
Embodiment
Below in conjunction with accompanying drawing the utility model is done and to be described in further detail.
See also shown in Figure 1ly, core limb 1 Breadth Maximum lamination average surface pressure is 2.0-2.5kg/cm during the high-power transformer operate as normal
2The time for normally tightening up state.So after core limb 1 lamination is finished, can press by the spacing of core limb diameter, goat's horn tightening device and centre plane and calculate suffered tensile force on the goat's horn tightening device screw rod, and then obtain required moment when guaranteeing on the torque spanner that core limb compresses.
See also Figure 1 and Figure 2, goat's horn tightening device 2 comprises wirerope 21, goat's horn 22 and torque spanner 23, goat's horn tightening device 2 is evenly placed on the arm-tie 11 of core limb 1, tighten up wirerope 21 with moment square spanner 23 again, thereby tighten up core limb 1, guarantee that compressing back core post 1 Breadth Maximum lamination average surface pressure is 2.0-2.5kg/cm
2Then, cooperate its special-purpose strapping tool on core limb 1, to form the totally enclosed group in some roads band with Tenax polyester packing belt 3, core limb 1 colligation is fastening.The Tenax polyester belt of selecting model 2225 for use is as strap, and it is wide to be 19mm, and thick is 1.27mm, and stretching resistance is 11120N, and the spacing of polyester endless belt 3 is chosen proper, and polyester endless belt 3 suffered pulling force are less than its tensile strength limit value after guaranteeing to remove the goat's horn tightening device.Tenax high-strength polyester band is the strap of SIGNODE (Cigna) company exploitation, is raw material with PET (PETG), through advanced technologies production, has splendid tensile strength and ductility, and can bear certain temperature.
Consider the convenient required suitable interval of colligation, core limb 1 is stressed evenly and polyester endless belt 3 stressed limit factors, generally with three road polyester endless belt 3 closely side by side as an overall binding band through the row colligation.The system of selection of binding strap spacing is: the lamination Breadth Maximum unit of the multiply by spacing with core limb 1 is a unit colligation area, and it is 2.0-2.5kg/cm that the maximum stretching resistance of six times single Tenax polyester belt must satisfy Breadth Maximum lamination average surface pressure divided by unit colligation area gained surface pressing value
2, the maximum stretching resistance of Tenax polyester belt also will be considered the margin of safety of material herein.After the good polyester endless belt 3 of colligation, remove the goat's horn tightening device, finish colligation.After removing tightening device, polyester endless belt 3 does not have bounce-back substantially, and the average thrust of core limb lamination is constant substantially.Thereby bounce-back is bigger after having solved the less and colligation of resin impregnation glass fiber winding tapes colligation power, the problem that the average thrust of core limb lamination reduces.
Characteristics of the present utility model are: 1) provide enough big colligation power to tighten up core limb by the goat's horn tightening device, and simple in structure, economical and practical; 2) the Tenax polyester belt does not have bounce-back substantially behind the dismounting goat's horn tightening device, and thrust does not have to run off substantially, guarantees the more fastening firm of core limb colligation, thereby reduces noise and open circuit loss; 3) the Tenax polyester belt need not to solidify, and has saved the hardening time of resin-dipping glass fiber winding tapes, has improved production efficiency; 4) it is convenient that the Tenax polyester belt cooperates its special-purpose strapping tool colligation, and labor strength is low; 5) Tenax polyester belt cost is low, and is good in economic efficiency.
Claims (4)
1. the binding structure of a leg is characterized in that: comprise core limb (1) and some colligations in the binding strap of described core limb periphery, in the described binding strap every is made up of three polyester packing belts arranged side by side (3).
2. the binding structure of leg according to claim 1, it is characterized in that: described core limb (1) periphery is fixed with goat's horn tightening device (2), and this goat's horn tightening device (2) comprises around the goat's horn (22) of the wirerope (21) of described core limb (1) periphery, fastening wirerope (21) and torque spanner (23).
3. the binding structure of leg according to claim 1 is characterized in that: described polyester endless belt (3) wide for 19mm, thickly be 1.27mm.
4. as the binding structure of leg as described in each in the claim 1 to 3, it is characterized in that: the material of described polyester endless belt (3) is PET.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202874661U CN201859743U (en) | 2010-08-10 | 2010-08-10 | Binding structure of transformer core limb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202874661U CN201859743U (en) | 2010-08-10 | 2010-08-10 | Binding structure of transformer core limb |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201859743U true CN201859743U (en) | 2011-06-08 |
Family
ID=44105544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202874661U Expired - Lifetime CN201859743U (en) | 2010-08-10 | 2010-08-10 | Binding structure of transformer core limb |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201859743U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102592789A (en) * | 2012-01-18 | 2012-07-18 | 安徽神虹变压器有限公司 | Method for binding transformer iron core |
| CN111640571A (en) * | 2020-06-28 | 2020-09-08 | 江西广能电气设备有限公司 | Tie for clamping head of iron core column |
| CN111710518A (en) * | 2020-06-28 | 2020-09-25 | 西安西电变压器有限责任公司 | Transformer core tightening device |
-
2010
- 2010-08-10 CN CN2010202874661U patent/CN201859743U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102592789A (en) * | 2012-01-18 | 2012-07-18 | 安徽神虹变压器有限公司 | Method for binding transformer iron core |
| CN111640571A (en) * | 2020-06-28 | 2020-09-08 | 江西广能电气设备有限公司 | Tie for clamping head of iron core column |
| CN111710518A (en) * | 2020-06-28 | 2020-09-25 | 西安西电变压器有限责任公司 | Transformer core tightening device |
| CN111640571B (en) * | 2020-06-28 | 2021-09-10 | 江西广能电气设备有限公司 | Tie for clamping head of iron core column |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201859743U (en) | Binding structure of transformer core limb | |
| CN201321172Y (en) | Winding and packing device | |
| CN107380513A (en) | A kind of novel plastic woven bag baling press | |
| CN211870202U (en) | Plastic packing belt convenient to operate | |
| CN111296080A (en) | Agricultural buckle type straw knotting device and using method thereof | |
| CN101702371B (en) | Conducting magnet core cake rolling machine of electric reactor | |
| CN201184356Y (en) | Locking bolt components of silicon rod wire cutting machine take-up pulley | |
| CN203033153U (en) | Portable ribbon | |
| CN103035375A (en) | Electric reactor with integrally-bound iron core and binding method of iron core of electric reactor | |
| CN102592789B (en) | Method for binding transformer iron core | |
| CN101707136B (en) | Method for manufacturing iron core cake of electric reactor | |
| CN201975214U (en) | Combined strapping structure for straps of iron core of transformer | |
| CN202977130U (en) | Anti-short circuit type amorphous power transformer | |
| CN203151005U (en) | Wire clamping device for bunched cables | |
| CN218384767U (en) | Transformer yoke iron core binding structure | |
| CN202887935U (en) | Amorphous alloy iron core opening tightening structure | |
| CN202771923U (en) | Polyethylene terephthalate (PET) belt binding structure for core limb and iron yoke | |
| CN202865469U (en) | Glue wire bunching machine | |
| CN203158257U (en) | Band drawing mechanism | |
| CN201067765Y (en) | Reinforced steel bar cold drawing machine | |
| CN102170203B (en) | Automatic T-shaped framework winding device for small motor rotor and alpha winding-end winding method | |
| CN205204362U (en) | Tread floorcloth automatic winding device | |
| CN204622671U (en) | Pressing machine fixture | |
| CN202175464U (en) | Stealthy middle-convex roller | |
| CN215316291U (en) | Ultrasonic metal welding machine is used in copper strips processing convenient to get and put |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Changzhou XD Transformer Co., Ltd. Assignor: China XD Electronic Corporation Contract record no.: 2011320001140 Denomination of utility model: Binding structure of transformer core limb Granted publication date: 20110608 License type: Exclusive License Record date: 20111025 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110608 |