CN214226733U - Iron core column binding device with controllable torque - Google Patents
Iron core column binding device with controllable torque Download PDFInfo
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- CN214226733U CN214226733U CN202120574080.7U CN202120574080U CN214226733U CN 214226733 U CN214226733 U CN 214226733U CN 202120574080 U CN202120574080 U CN 202120574080U CN 214226733 U CN214226733 U CN 214226733U
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Abstract
The utility model relates to a controllable moment's iron-cored post ligature device belongs to large-scale power transformer and makes technical field. The technical scheme is as follows: the binding band fixing shaft (7) is coaxially connected with a worm wheel (1) outside the supporting seat (3), the worm wheel (1) and a vertically arranged worm (5) form a worm wheel and worm mechanism, a worm wheel and worm mechanism shell (16) is fixed in a frame formed by the supporting plate (12), the sealing plate (2) and the supporting seat (3), the worm (5) extends out of the sealing plate upwards, and a spanner pad (10) and a fastening nut (11) are arranged on the worm; the wrench pad (10) and the fastening nut (11) match a torque wrench. The utility model has the advantages that: the clamping device is suitable for clamping the iron core column in the manufacturing process of the large transformer iron core, improves the production efficiency, realizes the controllable knowing of the clamping force, is simple and convenient to operate, practical and reliable, reduces the labor intensity of an operator while improving the iron core binding quality, and meets the production requirements of the transformer.
Description
Technical Field
The utility model relates to a controllable moment's iron-cored post ligature device belongs to large-scale power transformer and makes technical field.
Background
At present, in the manufacturing process of a large power transformer, a transformer core needs to be horizontally turned to be in a vertical state after being stacked on a turning table, and an iron core column needs to be clamped firstly before the iron core is turned and lifted, so that the iron core column can become a whole and is unlikely to deform or misplace in the turning and lifting process to influence the product quality. The core limb clamping mode in the prior art generally adopts the following steps: and clamping by using a metal fixture, and supplementing and binding by using a binding belt in a gap between the two fixtures. Although the clamping effect is good in the mode, the clamping force of the clamping device and the binding belt is only controlled by the hand feeling of an operator, the specific numerical requirements on the fastening force or the pressure value cannot be carried out, the clamping force of each position is not completely consistent, the clamping force of the whole iron core column is not controllable, the clamping effect of the clamping device can be weakened gradually along with the increase of the diameter of the iron core, and meanwhile, the problems of low efficiency, high labor intensity and the like exist in the process of dismantling the clamping device.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a controllable moment's iron leg ligature device is applicable to the clamp of large-scale transformer core manufacturing process iron leg tightly, improves production efficiency, realizes the knowably controllable of clamp force size, and is easy and simple to handle, practical reliable, reduced operator's intensity of labour when improving the ligature quality unshakable in one's determination, satisfies the production requirement of transformer, solves the above-mentioned problem that the background art exists.
The technical scheme of the utility model is that:
a torque-controllable iron core column binding device comprises a worm wheel, a sealing plate, a supporting seat, a binding belt fixing pin, a worm, a binding belt fixing shaft, a spanner pad, a fastening nut and a supporting plate; the supporting seat is two vertical plates which are parallel to each other, and the width between the two vertical plates is larger than that of the binding band; the binding belt fixing pin is arranged between the two vertical plates of the supporting seat; the binding band fixing shaft is provided with an axial slotted hole, and the length of the slotted hole is greater than the width of the binding band; the binding band fixing shaft and the binding band fixing pin are arranged on the supporting seat in parallel, the center of the binding band fixing pin is lower than that of the binding band fixing shaft, the binding band fixing shaft is coaxially connected with a worm wheel outside the supporting seat, the worm wheel and a vertically arranged worm form a worm wheel and worm mechanism, a worm wheel and worm mechanism shell is fixed in a frame formed by the supporting plate, the sealing plate and the supporting seat, the worm extends out of the sealing plate upwards, and a spanner pad and a fastening nut are arranged on the worm; the wrench pad and the fastening nut match a torque wrench.
One end of a binding band for binding the iron core is positioned and fixed through a fixing pin of the binding band, and the other end of the binding band penetrates through a slotted hole in a fixing shaft of the binding band and is tensioned.
One end of the binding band fixing shaft is connected with the worm wheel, and a blocking cover is arranged between the other end of the binding band fixing shaft and the supporting seat.
And a check ring is arranged at the bottom of the worm gear mechanism shell.
The bottom of the supporting seat is provided with a bottom plate which is in a fillet or welded round steel structure, so that the damage of bottom plate edges to the binding band in the fastening process is avoided.
And a locking nut is arranged between the binding belt fixing pin and the supporting seat.
And a transverse plate is arranged at the top of the supporting seat above the binding band fixing shaft, and the sealing plate is fixedly connected with the transverse plate through a sealing plate fastener.
When the iron core is bound before standing and turning, firstly, the space between the binding bands for binding the iron core, namely the number of the required binding bands and the fastening force of the binding bands, is calculated according to the specification parameters of the iron core; after the determination is finished, preparing binding belts and fasteners, and binding and installing the core limb from the lower part of the core limb at intervals; the binding belt penetrates through the iron core column, one end of the binding belt enters the binding device, the binding belt is positioned and fixed through the binding belt fixing pin, and the other end of the binding belt penetrates through the slotted hole of the binding belt fixing shaft on the binding device and is tightened until the binding belt cannot be pulled by a hand; a plurality of binding devices are matched with the plurality of binding bands;
after the work is finished, the worms of the binding device are fastened one by using a torque wrench, and the worm rotates and simultaneously drives the worm wheel and the binding band fixing shaft to rotate and tighten the binding band; the fastening force of each binding belt is consistent, so that the uniformity of the clamping force of the iron core column is ensured, and the known and controllable iron core binding strength is realized through the specification of the size of the fastening torque.
The utility model discloses an use the ligature device to tighten up the ligature area in order to reach the tight purpose of clamp to the iron core, calculate out the moment value under guaranteeing the enough clamp force prerequisite of iron core post according to the size of iron core post diameter and ligature area erection space to assemble the ligature device of bandage with this moment, it is controllable to realize the clamp force unshakable in one's determination. The binding device utilizes the worm gear transmission principle to change the tightening direction of the binding band and the operation direction of force application, thereby facilitating the fastening operation of an operator, and simultaneously, the binding device can avoid the reduction of the clamping force and improve the binding effect because the device can realize reverse stroke self-locking.
The utility model has the advantages that: the clamping device is suitable for clamping the iron core column in the manufacturing process of the large transformer iron core, improves the production efficiency, realizes the controllable and known clamping force, is simple, convenient, practical and reliable to operate, reduces the labor intensity of an operator while improving the iron core binding quality, and meets the production requirement of the transformer; the utility model discloses optimize the tight technology of clamp that has improved the iron-cored post, use the utility model discloses strain the ligature area and can provide enough and can know, controllable packing force, application scope is wide, can avoid making fixture again because of product specification changes, effectively improves product quality and production efficiency, and the cost of manufacture is low, easy operation and practical reliable, also can popularize to other technical field.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic top view of an embodiment of the present invention;
FIG. 3 is a schematic side view of an embodiment of the present invention;
in the figure: the binding band comprises a worm wheel 1, a sealing plate 2, a supporting seat 3, a binding band fixing pin 4, a worm 5, a retainer ring 6, a binding band fixing shaft 7, a blocking cover 8, a sealing plate fastening piece 9, a spanner pad 10, a fastening nut 11, a supporting plate 12, a groove hole 13, a locking nut 14, a bottom plate 15, a worm and gear mechanism shell 16 and a transverse plate 17.
Detailed Description
The present invention will be further explained by way of examples with reference to the accompanying drawings.
A torque-controllable iron core column binding device comprises a worm wheel 1, a sealing plate 2, a supporting seat 3, a binding band fixing pin 4, a worm 5, a binding band fixing shaft 7, a wrench pad 10, a fastening nut 11 and a supporting plate 12; the supporting seat 3 is two vertical plates which are parallel to each other, and the width between the two vertical plates is larger than that of the binding band; the binding belt fixing pin 4 is arranged between the two vertical plates of the supporting seat 3; an axial slotted hole 13 is formed on the bandage fixing shaft 7, and the length of the slotted hole 13 is greater than the width of the bandage; the bandage fixing shaft 7 and the bandage fixing pin 4 are arranged on the supporting seat 3 in parallel, the center of the bandage fixing pin 4 is lower than that of the bandage fixing shaft 7, the bandage fixing shaft 7 is coaxially connected with a worm wheel 1 outside the supporting seat 3, the worm wheel 1 and a vertically arranged worm 5 form a worm and gear mechanism, a worm and gear mechanism shell 16 is fixed in a frame formed by the supporting plate 12, the sealing plate 2 and the supporting seat 3, the worm 5 extends out of the sealing plate 2 upwards, and a spanner pad 10 and a fastening nut 11 are arranged on the worm; the wrench pad 10 and the fastening nut 11 match a torque wrench.
One end of a binding belt of the binding iron core is positioned and fixed through a fixing belt pin 4, and the other end of the binding belt penetrates through a slotted hole 13 on a binding belt fixing shaft 7 to be tensioned.
One end of the bandage fixing shaft 7 is connected with the worm wheel 1, and a blocking cover 8 is arranged between the other end of the bandage fixing shaft and the supporting seat 3.
The bottom of the worm gear mechanism shell 16 is provided with a retainer ring 6.
The bottom of the supporting seat 3 is provided with a bottom plate 15, the bottom plate 15 is in a fillet or welded round steel structure, and the damage of bottom plate edges to the binding belt in the fastening process is avoided.
And a locking nut 14 is arranged between the binding belt fixing pin 4 and the supporting seat 3.
And a transverse plate 17 is arranged at the top of the supporting seat 3 above the binding band fixing shaft 7, and the sealing plate 2 is fixedly connected with the transverse plate 17 through a sealing plate fastener 9.
In order to ensure that the iron core columns can be integrated, the pressure required by the iron core lamination is 0.15-0.25 MPa, and the pressure is generated by a binding belt; therefore, when the iron core is bound before standing and turning, the space between the binding bands for binding the iron core, namely the number of the required binding bands and the fastening force of the binding bands, is calculated according to the specification parameters of the iron core, such as the diameter of the iron core; after the determination is finished, preparing binding bands and fasteners with enough quantity, and binding and installing the core limb from the lower part of the core limb at intervals; the binding band passes through the iron core column, one end of the binding band enters the binding device, the binding band is positioned and fixed through the binding band fixing pin 4, and the other end of the binding band passes through the slotted hole 13 of the binding band fixing shaft on the binding device and is tightened until the binding band can not be pulled by hands; in the operation process, the binding device is placed at the pulling plate position of the iron core column; in order to avoid the damage of the edge of the iron core column to the bandage and the damage of the binding device to the paint film at the position of the iron core pulling plate, the paper board is padded under the bandage and the binding device along the circumference of the iron core pulling plate for protection; a plurality of binding devices are matched with the plurality of binding bands;
after the work is finished, the worms 5 of the binding device are fastened one by using a torque wrench, and the worm 5 drives the worm wheel 1 and the binding band fixing shaft 7 to rotate and tighten the binding band while rotating; in order to improve the fastening efficiency, the worms 5 of the binding device can be fastened one by using an electric wrench, and finally corrected by using a torque wrench; the fastening force of each binding belt is consistent, so that the uniformity of the clamping force of the iron core column is ensured, and the known and controllable iron core binding strength is realized through the specification of the size of the fastening torque.
Claims (3)
1. The utility model provides a controllable moment's iron leg ligature device which characterized in that: comprises a worm wheel (1), a sealing plate (2), a supporting seat (3), a bandage fixing pin (4), a worm (5), a bandage fixing shaft (7), a spanner pad (10), a fastening nut (11) and a supporting plate (12); the supporting seat (3) is two vertical plates which are parallel to each other, and the width between the two vertical plates is larger than that of the binding band; the binding belt fixing pin (4) is arranged between the two vertical plates of the supporting seat (3); an axial slotted hole (13) is formed in the bandage fixing shaft (7), and the length of the slotted hole (13) is larger than the width of the bandage; the bandage fixing shaft (7) and the bandage fixing pin (4) are arranged on the supporting seat (3) in parallel, the center of the bandage fixing pin (4) is lower than that of the bandage fixing shaft (7), the bandage fixing shaft (7) is coaxially connected with a worm wheel (1) outside the supporting seat (3), the worm wheel (1) and a vertically arranged worm (5) form a worm and gear mechanism, a worm and gear mechanism shell (16) is fixed in a frame formed by the supporting plate (12), the sealing plate (2) and the supporting seat (3), the worm (5) extends upwards out of the sealing plate (2), and a spanner pad (10) and a fastening nut (11) are arranged on the worm; the wrench pad (10) and the fastening nut (11) match a torque wrench.
2. A torque controllable core limb binding apparatus as claimed in claim 1, wherein: one end of the bandage fixing shaft (7) is connected with the worm wheel (1), and a blocking cover (8) is arranged between the other end of the bandage fixing shaft and the supporting seat (3).
3. A torque controllable core limb binding apparatus as claimed in claim 1 or claim 2, wherein: and a retainer ring (6) is arranged at the bottom of the worm gear mechanism shell (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120574080.7U CN214226733U (en) | 2021-03-22 | 2021-03-22 | Iron core column binding device with controllable torque |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120574080.7U CN214226733U (en) | 2021-03-22 | 2021-03-22 | Iron core column binding device with controllable torque |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214226733U true CN214226733U (en) | 2021-09-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120574080.7U Active CN214226733U (en) | 2021-03-22 | 2021-03-22 | Iron core column binding device with controllable torque |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214226733U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112837922A (en) * | 2021-03-22 | 2021-05-25 | 保定天威保变电气股份有限公司 | Torque-controllable iron core column binding device and method |
-
2021
- 2021-03-22 CN CN202120574080.7U patent/CN214226733U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112837922A (en) * | 2021-03-22 | 2021-05-25 | 保定天威保变电气股份有限公司 | Torque-controllable iron core column binding device and method |
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