CN113968094B - Circumference equal dividing method for insulating hard paper tube - Google Patents
Circumference equal dividing method for insulating hard paper tube Download PDFInfo
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- CN113968094B CN113968094B CN202111077056.3A CN202111077056A CN113968094B CN 113968094 B CN113968094 B CN 113968094B CN 202111077056 A CN202111077056 A CN 202111077056A CN 113968094 B CN113968094 B CN 113968094B
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- hard paper
- elastic
- insulating hard
- ruler
- equal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
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- Insulating Of Coils (AREA)
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Abstract
The invention provides a method for equally dividing the circumference of an insulating hard paper cylinder, which belongs to the technical field of transformer manufacturing and comprises the following steps: uniformly expanding and sleeving the elastic equal-division ruler on the outer side of the insulating hard paper cylinder, and adjusting the elastic equal-division ruler to a direction vertical to the axial direction of the insulating hard paper cylinder; and placing a laser line marking instrument on the outer side of one end of the insulating hard paper cylinder, sequentially irradiating equal division points on the elastic equal division ruler, and drawing equal division lines along the light ray tracks corresponding to the equal division points. According to the circumference halving method for the insulating hard paper tube, the elastic halving ruler is uniformly expanded, and the phenomenon that the division of bisectors is not uniform due to inconsistent stretching amount and nonuniform expansion caused by different stress of each point of the elastic halving ruler is avoided; the light rays emitted by the laser striping machine correspond to the equal dividing points on the elastic equal dividing ruler, so that the line drawing accuracy is ensured; the method for equally dividing the circumference of the insulating hard paper cylinder provided by the invention realizes the fast division of equally divided lines on the outer side of the insulating hard paper cylinder, and improves the line drawing work efficiency.
Description
Technical Field
The invention belongs to the technical field of transformer manufacturing, and particularly relates to a method for equally dividing the circumference of an insulating hard paper cylinder.
Background
The inner diameter side of the transformer coil is provided with a plurality of insulating rectangular supporting strips which are uniformly distributed along the circumference to support the coil conducting wires, the insulating supporting strips need to be fixed on the outer diameter side of the formed hard-board cylinder, and the hard-board cylinder needs to be drawn with corresponding bisectors before being fixed.
Because the inner diameter of the coil and the number of the supporting strips of each product are different, each product needs to separately measure and calculate the equal division points by using the tape measure when drawing the equal division lines, the working efficiency is low, and the improvement of the production efficiency is not facilitated.
Disclosure of Invention
The invention aims to provide a method for equally dividing the circumference of an insulating hard paper cylinder, which aims to quickly divide the equal dividing line on the outer side of the insulating hard paper cylinder and improve the production efficiency.
In order to achieve the purpose, the invention adopts the technical scheme that: the method for equally dividing the circumference of the insulating hard paper cylinder comprises the following steps:
step 1, uniformly expanding and sleeving an elastic equal-division ruler on the outer side of an insulating hard paper cylinder, and adjusting the elastic equal-division ruler to a direction vertical to the axial direction of the insulating hard paper cylinder;
and 2, placing a laser line marking instrument on the outer side of one end of the insulating hard paper cylinder, sequentially irradiating equal division points on the elastic equal division ruler, and drawing equal division lines along light ray tracks corresponding to the equal division points.
As another embodiment of the present application, in step 1, an elastic equal-division ruler is sleeved outside the umbrella-shaped dilator, the elastic equal-division ruler is perpendicular to the axial direction of the umbrella-shaped dilator, and the elastic equal-division ruler is uniformly expanded by the umbrella-shaped dilator until the diameter of the elastic equal-division ruler is larger than that of the insulating hard paper tube.
As another embodiment of the present application, in step 1, the umbrella-shaped dilator after expansion is sleeved on one end of the insulating hard paper tube, and the elastic equal-dividing ruler outside the umbrella-shaped dilator is moved to the outside of the insulating hard paper tube.
As another embodiment of the present application, in step 1, the elastic bisector comprises a plurality of elastic members connected end to end in sequence.
As another embodiment of the application, in step 2, the joints of a plurality of elastic members which are connected end to end in sequence are used as equally dividing points, and the light rays emitted by the laser striping machine are parallel to the axial direction of the insulating hard paper cylinder and irradiate the joints of the elastic members.
As another embodiment of the present application, in step 2, the hard insulating paper tube is placed on the rotary base in the longitudinal direction and rotated by the rotary base.
As another embodiment of the present application, in step 2, the insulating hard paper tube is coaxially disposed with the rotary base.
In step 2, the laser line marker is disposed below the rotary base, and the light is irradiated to the bisector from bottom to top.
The method for equally dividing the circumference of the insulating hard paper cylinder has the beneficial effects that: compared with the prior art, the circumference halving method for the insulating hard paper tube uniformly expands the elastic halving ruler, and avoids nonuniform stretching amount and nonuniform expansion caused by different stress of each point of the elastic halving ruler, so that the bisector is unevenly divided; the light emitted by the laser striping machine corresponds to the equal dividing points on the elastic equal dividing ruler, so that the line drawing accuracy is ensured; the circumference equally dividing method of the insulating hard paper cylinder provided by the invention realizes the fast division of equally divided lines on the outer side of the insulating hard paper cylinder, and improves the line drawing work efficiency.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic diagram illustrating a circumferential bisection method of an insulating hard paper tube according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of an elastic equal-dividing ruler according to an embodiment of the present invention;
FIG. 3 is a schematic view of the connection between the hard paper tube and the elastic equal-dividing ruler according to the embodiment of the present invention;
FIG. 4 is a schematic structural diagram of an umbrella-shaped dilator provided in an embodiment of the present invention;
fig. 5 is a schematic connection diagram of an umbrella-shaped dilator and an elastic equal-dividing ruler according to an embodiment of the present invention.
In the figure: 10. a spring; 11. a connecting member; 20. an insulating hard paper cylinder; 21. equally dividing the lines; 30. an umbrella-shaped dilator; 31. a supporting plate; 32. an upper expansion rod; 33. a hand-held portion; 34. a screw; 35. a slider; 36. a fixed seat; 37. a short limiting rod; 38. a lower expansion rod; 40. a rotating base; 50. laser striping machine.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
Referring to fig. 1 to 5, a circumferential equally dividing method for the hard paper insulating cylinder according to the present invention will now be described. The method for equally dividing the circumference of the insulating hard paper cylinder comprises the following steps:
step 1, uniformly expanding and sleeving an elastic equal-division ruler on the outer side of an insulating hard paper cylinder 20, and adjusting the elastic equal-division ruler to a direction vertical to the axial direction of the insulating hard paper cylinder 20;
and 2, placing a laser line marking instrument 50 on the outer side of one end of the insulating hard paper cylinder 20, sequentially irradiating bisectors on the elastic bisector, and drawing a bisector 21 along the light ray tracks corresponding to the bisectors.
Compared with the prior art, the circumference halving method of the insulating hard paper tube provided by the invention has the advantages that firstly, the elastic halving ruler is selected according to the number of the supporting strips, and the number of halving points on the elastic halving ruler is consistent with the number of the supporting strips; uniformly expanding the elastic equant ruler to ensure that the deformation quantity of each section is consistent, and ensuring that the distance between two adjacent equant points is increased at the same speed; after the elastic equal-dividing ruler is expanded to the diameter larger than that of the insulating hard paper cylinder 20, sleeving the elastic equal-dividing ruler on the insulating hard paper cylinder 20 from one end of the insulating hard paper cylinder 20; the elastic equal-division ruler is finely adjusted to be perpendicular to the axial direction of the insulating hard paper cylinder 20.
Placing a laser striping instrument 50 at one end of the insulating hard paper tube 20 sleeved with the elastic bisection ruler, wherein the laser striping instrument 50 emits light to the direction of the insulating hard paper tube 20, the light is attached to the outer side wall of the insulating hard paper tube 20 and irradiates on bisection points on the elastic bisection ruler, and a bisection line 21 is drawn along a light track corresponding to the bisection points; moving the insulating hard paper tube 20 or the laser striping machine 50, enabling light rays emitted by the laser striping machine 50 to be attached to the outer side wall of the insulating hard paper tube 20 and irradiate to the next equal dividing point of the elastic equal dividing ruler, and drawing a second equal dividing line 21 corresponding to the light ray track at the equal dividing point; the above operations are repeated until the division of all the bisectors 21 outside the insulating hard paper cylinder 20 is completed.
According to the circumference equal dividing method for the insulating hard paper tube, the elastic equal dividing ruler is uniformly expanded, so that the phenomenon that the division of the equal dividing line 21 is uneven due to inconsistent stretching amount and uneven expansion caused by different stress of each point of the elastic equal dividing ruler is avoided; the light rays emitted by the laser striping machine 50 correspond to the equal dividing points on the elastic equal dividing ruler, so that the line drawing accuracy is ensured; the circumference equally dividing method of the insulating hard paper tube provided by the invention realizes the fast division of the equally divided lines 21 on the outer side of the insulating hard paper tube 20, and improves the line drawing work efficiency.
Optionally, when the elastic equal-division ruler is sleeved outside the insulating hard paper tube 20, the elastic equal-division ruler cannot slide down due to the action of friction force; by manually adjusting the elastic equal-dividing ruler, the elastic equal-dividing ruler can be perpendicular to the axial direction of the hard paper cylinder 20.
In some embodiments, referring to fig. 4 and 5, in step 1, a flexible equal-dividing ruler is sleeved outside the umbrella-shaped dilator 30, the flexible equal-dividing ruler is perpendicular to the axial direction of the umbrella-shaped dilator 30, and the flexible equal-dividing ruler is uniformly expanded by the umbrella-shaped dilator 30 until the diameter of the flexible equal-dividing ruler is larger than that of the insulating hard paper tube 20.
Specifically, the elastic equal-dividing ruler is sleeved outside the umbrella-shaped dilator 30 and is adjusted to be perpendicular to the axial direction of the umbrella-shaped dilator 30; the umbrella-shaped dilator 30 expands outwards at a constant speed and drives the elastic equal dividing ruler to extend uniformly in the length direction. The elastic equant ruler is evenly spread until the inner diameter of the elastic equant ruler is larger than the outer diameter of the insulating hard paper cylinder 20.
Optionally, the inner diameter of the elastic bisecting ruler is uniformly expanded to 5-10mm beyond the diameter of the insulating hard paper cylinder 20 using an umbrella-shaped expander 30.
In some possible embodiments, please refer to fig. 4 and 5, the umbrella-shaped expander 30 is sleeved on one end of the insulating hard paper tube 20 after expansion, and the elastic equal-dividing ruler outside the umbrella-shaped expander 30 is moved to the outside of the insulating hard paper tube 20.
Specifically, as shown in fig. 4, the fixing base 36, the connecting rod, and the plurality of stay plates 31; the connecting rod is connected to the fixed seat 36, one end of the connecting rod, which is far away from the fixed seat 36, is provided with a handheld part 33, and the handheld part 33 is a rod piece vertical to the connecting rod; the connecting rod is connected with an expansion component; a plurality of faggings 31 enclose in the circumference of connecting rod, and a plurality of faggings 31 are connected on the expansion subassembly, and the inside wall of a plurality of faggings 31 is used for laminating on the lateral wall of insulating hard paper section of thick bamboo 20.
One end of connecting rod is equipped with handheld portion 33, and the other end is connected on fixing base 36, is provided with the expansion assembly on the connecting rod, and the outside of expansion assembly is equipped with a plurality of faggings 31, and a plurality of faggings 31 enclose the circumference of establishing at the connecting rod. When the umbrella-shaped dilator 30 is expanded, the elastic equal dividing ruler is sleeved outside the supporting plate 31, the expansion assembly drives the plurality of supporting plates 31 to synchronously move towards the outside, and the supporting plate 31 uniformly expands the elastic equal dividing ruler towards the outside.
The cross section of the supporting plate 31 is arc-shaped, when the expansion assembly is contracted to the minimum radius, a plurality of supporting plates 31 connected with the expansion assembly are encircled into a circle, and the circle center is positioned on the axis of the connecting rod. When the expansion assembly expands outwards, the plurality of supporting plates 31 connected with the expansion assembly move outwards, the arc-shaped outer side wall of the supporting plates is abutted against the inner side wall of the elastic ring, and the spring 10 in the elastic ring is driven to uniformly extend.
The expansion component comprises a sliding block 35 and an expansion rod; wherein the expansion rods comprise an upper expansion rod 32 and a lower expansion rod 38. The sliding block 35 is sleeved on the outer side of the connecting rod, the sliding block 35 is hinged with an upper expansion rod 32, and the other end of the upper expansion rod 32 is hinged on the inner side wall of the supporting plate 31; the fixed seat 36 is hinged with a lower expansion rod 38, and the other end of the lower expansion rod 38 is hinged on the inner side wall of the supporting plate 31. The upper expansion rods 32 correspond to the lower expansion rods 38 one to one, and to the stay plates 31 one to one.
Optionally, the connecting rod is a screw 34, the sliding block 35 is in threaded connection with the screw 34, and the screw 34 rotates to drive the sliding block 35 to move upwards or downwards. The sliding block 35 moves upwards, the distance between the sliding block 35 and the fixed seat 36 is increased, the included angle between the upper expanding rod 32 and the lower expanding rod 38 is increased, and the supporting plate 31 retracts towards the inner side; the sliding block 35 moves downwards, the distance between the sliding block 35 and the fixed seat 36 is reduced, the included angle between the upper expansion rod 32 and the lower expansion rod 38 is reduced, and the supporting plate 31 expands towards the outer side. Optionally, the upper expansion bar 32 is hinged on the lower part of the sliding block 35; the lower expanding rod 38 is hinged on the upper part of the fixed seat 36; the corresponding upper and lower expansion rods 32 and 38 are hinged on the same hinge shaft and at the same time on the inner side wall of the stay plate 31.
An accommodating groove extending downwards is formed in the upper end face of the fixing seat 36, and a baffle ring is arranged on the side wall of the accommodating groove; the lower part of the connecting rod is provided with a limit short rod 37, and the limit short rod 37 is provided with a stopper head matched with the stopper ring. Specifically, the lower end of the screw rod 34 is connected with a limit short rod 37, one end of the limit short rod 37, which is far away from the screw rod 34, is provided with a stopper, and one end of the limit short rod 37, which is provided with the stopper, extends into the accommodating groove and is matched with a stopper ring in the accommodating groove. The retaining ring is used for preventing one end of the limiting short rod 37, which is provided with the retaining head, from being separated from the accommodating groove.
Optionally, the stopper is annular, and the stopper is sleeved on the short limiting rod 37. The inner diameter of the baffle ring is smaller than the outer diameter of the baffle head.
Optionally, the short limit rod 37 has an outer diameter identical to that of the screw 34. The outer side wall of the short limit rod 37 is a smooth wall surface.
Optionally, the short limit rod 37 is welded to the screw 34, or the short limit rod 37 is integrally formed with the screw 34.
In some possible embodiments, referring to fig. 1, fig. 2, fig. 3 and fig. 5, in step 1, the elastic equal-dividing ruler comprises a plurality of elastic members connected end to end in sequence; in step 2, the joints of the elastic members connected end to end in sequence are used as bisector points, and the light emitted by the laser striping machine 50 is parallel to the axial direction of the insulating hard paper cylinder 20 and irradiates the joints of the elastic members.
The elastic equant ruler is annular, the equant points are uniformly distributed on the elastic equant ruler, and when the elastic equant ruler is stressed to be uniformly expanded, the distance between every two adjacent equant points is uniformly increased.
Specifically, the elastic ring comprises a plurality of elastic pieces which are connected end to end, and the equal division points are located at the connecting points of the elastic pieces.
Specifically, the elastic member is a spring 10, two ends of the spring 10 are provided with connecting pieces 11, and the plurality of springs 10 are connected end to form an elastic ring. The connecting part 11 of the two springs 10 is divided into equal division points.
The number of the springs 10 in the elastic ring and the number of the equally divided points are the same as the number of the stays. In the specific implementation process, the number of the springs 10 is determined according to the number of the stays, and then the springs 10 are connected end to end. The operation is simple, the device can adapt to the insulating hard paper cylinders 20 with various diameters, and a special equal-division scale does not need to be manufactured independently according to the insulating hard paper cylinders 20 with different diameters.
Optionally, the connecting members 11 at both ends of the spring 10 are made of rigid material.
Alternatively, the interval length between the stays is 80-150mm, and the required elastic deformation range of the spring 10 is 50-200 mm. Thus, the spring 10 wire is selected to be 0.5-0.6mm and the spring 10 diameter is selected to be 4-6mm to facilitate circumferential bending.
In some possible embodiments, referring to fig. 1, in step 2, the insulating hard paper tube 20 is longitudinally placed on the rotating base 40 and rotated by the rotating base 40; the insulating hard paper tube 20 is coaxially arranged with the rotary base 40.
Specifically, the insulating hard paper tube 20 is vertically placed on the rotating base 40, the insulating hard paper tube 20 and the rotating base 40 are coaxially arranged, the axial direction of the insulating hard paper tube 20 is perpendicular to the plane of the rotating base 40, and the plane of the elastic dividing ruler is parallel to the plane of the rotating base 40.
The laser striping machine 50 is located below the rotating base 40 or above the insulating hard paper cylinder 20, and light of the laser striping machine 50 is attached to the outer side wall of the insulating hard paper cylinder 20 and irradiates to the elastic equal-dividing ruler. The laser striping machine 50 is fixed, and the laser striping machine 50 sequentially irradiates equal division points by rotating the rotary seat 40.
As shown in fig. 1, the laser line marker 50 is disposed below the rotary base 40, and the light is irradiated from the bottom to the equal division point.
Starting a laser striping machine 50 below the rotating base 40, wherein the laser striping machine 50 emits light upwards from the top, and the light penetrates through the rotating base 40; rotating the rotary seat 40, and aligning the light rays to bisector points on an elastic bisector on the outer side wall of the insulating hard paper tube 20 to draw a first bisector 21 along the light rays; the rotating seat 40 is rotated, and the steps are repeated to divide the second bisector 21 until the bisector 21 is drawn uniformly on the peripheral side of the insulating hard paper tube 20.
Optionally, the rotating base 40 is a light-transmitting base.
Optionally, the rotating base 40 is a glass base.
Optionally, a supporting rod (not shown) is rotatably connected below the rotating seat 40, a base (not shown) is arranged at the lower end of the supporting rod, and the laser line marker 50 is movably arranged on the base.
Optionally, the base is a circular base, and the laser line marker 50 can move along the radius direction of the circular base to adapt to the insulating hard paper tubes 20 with different widths.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (4)
1. The method for equally dividing the circumference of the insulating hard paper cylinder is characterized by comprising the following steps of:
step 1, uniformly expanding and sleeving an elastic equal-division ruler on the outer side of an insulating hard paper cylinder, and adjusting the elastic equal-division ruler to a direction vertical to the axial direction of the insulating hard paper cylinder;
step 2, placing a laser line marking instrument on the outer side of one end of the insulating hard paper cylinder, sequentially irradiating equant points on the elastic equant ruler, and drawing equant lines along light ray tracks corresponding to the equant points;
in the step 1, an elastic equant ruler is sleeved outside the umbrella-shaped dilator, the elastic equant ruler is perpendicular to the axial direction of the umbrella-shaped dilator, and the elastic equant ruler is uniformly expanded by means of the umbrella-shaped dilator until the diameter of the elastic equant ruler is larger than that of the insulating hard paper tube;
in the step 1, sleeving the expanded umbrella-shaped expander at one end of the insulating hard paper tube, and moving an elastic equal-dividing ruler at the outer side of the umbrella-shaped expander to the outer side of the insulating hard paper tube;
in step 1, the elastic equal dividing ruler comprises a plurality of elastic pieces which are sequentially connected end to end;
in the step 2, the joints of the elastic parts which are sequentially connected end to end are used as equal division points, and light rays emitted by the laser striping machine are parallel to the axial direction of the insulating hard paper cylinder and irradiate the joints of the elastic parts.
2. The method for circumferentially equally dividing an insulating hard paper tube as claimed in claim 1, wherein in step 2, the insulating hard paper tube is longitudinally placed on a rotary base and rotated by the rotary base.
3. The method for circumferentially equally dividing an insulating hard paper tube as claimed in claim 2, wherein in step 2, the insulating hard paper tube is coaxially disposed with the rotary base.
4. The method for equally dividing the circumference of an insulating hard paper cylinder according to claim 3, wherein in step 2, the laser line marker is arranged below the rotary base, and the light is irradiated to the equal division point from bottom to top.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111077056.3A CN113968094B (en) | 2021-09-10 | 2021-09-10 | Circumference equal dividing method for insulating hard paper tube |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111077056.3A CN113968094B (en) | 2021-09-10 | 2021-09-10 | Circumference equal dividing method for insulating hard paper tube |
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| CN113968094B true CN113968094B (en) | 2022-09-06 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2008094073A (en) * | 2006-10-16 | 2008-04-24 | Yoshiharu Aoki | Dented straightedge |
| CN204066991U (en) * | 2014-08-28 | 2014-12-31 | 山东华驰变压器股份有限公司 | Power transformer disc coil new construction |
| US10184794B2 (en) * | 2015-07-01 | 2019-01-22 | Makita Corporation | Laser marker |
| CN205468143U (en) * | 2016-02-29 | 2016-08-17 | 张红 | Device of arbitrary class of quadrant |
| CN206086108U (en) * | 2016-07-23 | 2017-04-12 | 张红 | Novel arbitrary quadrant that waits device |
| CN208854613U (en) * | 2018-09-05 | 2019-05-14 | 苏州市中信节能与环境检测研究发展中心有限公司 | It is a kind of for drawing the device of tubing bisector |
| CN109631859A (en) * | 2018-12-18 | 2019-04-16 | 重庆房地产职业学院 | A kind of laser Equant ruler and method of controlling switch |
| CN109741922A (en) * | 2019-01-18 | 2019-05-10 | 江苏五洲电力科技有限公司 | Low-voltage coil |
| CN211639882U (en) * | 2020-01-09 | 2020-10-09 | 广东逸华交通工程检测有限公司 | Quick shock resistance test equal division mark line scriber |
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