CN113436817B - Insulator top pre-twisted wire binding bending device and method for manufacturing bending wire binding - Google Patents
Insulator top pre-twisted wire binding bending device and method for manufacturing bending wire binding Download PDFInfo
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- CN113436817B CN113436817B CN202110705496.2A CN202110705496A CN113436817B CN 113436817 B CN113436817 B CN 113436817B CN 202110705496 A CN202110705496 A CN 202110705496A CN 113436817 B CN113436817 B CN 113436817B
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- insulator
- twisted
- forming column
- bending device
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B19/00—Apparatus or processes specially adapted for manufacturing insulators or insulating bodies
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
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Abstract
A pre-twisted binding wire bending device at the top of an insulator and a method for manufacturing a bending binding wire. Relate to electric power fitting processing equipment technical field, concretely relates to curved device of system of insulator wiring. Comprises a die holder, a forming column, a core rod, a pair of idler wheels and a pair of positioning wheels; the die holder is provided with a central hole, the forming column is provided with an insulator top profiling section at the upper part and a pivoting section at the middle part, and the pivoting section extends into the central hole of the die holder and freely rotates relative to the central hole; the top profiling section of the insulator comprises a top platform, an arc groove and a V-shaped groove formed in the top surface of the top platform, and the core rod is transversely accommodated in the V-shaped groove. The invention can ensure the construction quality and improve the construction efficiency.
Description
Technical Field
The invention relates to the technical field of electric power fitting processing equipment, in particular to a bending device for insulator binding wires.
Background
On overhead lines for low and high voltages of 10KV, insulators are generally used as cable holders. The insulator used for insulating the cable and the tower mostly adopts a column insulator.
When the general cable is connected with the column insulator on the top of the tower, the cable is placed in a groove at the top of the column insulator, and then the cable and the column insulator are wound and bound by the pre-twisted binding wire.
The pre-twisted binding wire is generally formed by twisting at least two strands of metal wires in parallel according to a helical structure. Depending on the cross-sectional size of the cable, a helical wire of a predetermined inner diameter is rotated in a helical direction to form a tubular cavity. The pre-twisted binding wire is coated on the outer layer of the cable along the spiral direction. When the pre-twisted binding wire is used for winding and binding the cable and the insulator during overhead operation by constructors, the pre-twisted binding wire is made of metal materials, so that the pre-twisted binding wire has good plasticity but weak yield strength, the constructors are in the air and hard to apply force, the pre-twisted binding wire is not easy to bend into a proper shape and attach to the insulator, and the fixing effect of the cable and the insulator is influenced.
Disclosure of Invention
Aiming at the problems, the invention provides the insulator top pre-twisted binding wire bending device and the method for manufacturing the bending binding wire, wherein the pre-twisted binding wire is bent according to the size of the top of the insulator, so that the bent pre-twisted binding wire can be attached to the top of the insulator, and the fixing effect of a cable and the insulator is improved.
The technical scheme of the invention is as follows: the pre-twisted wire binding bending device at the top of the insulator comprises a die holder, a forming column, a core rod, a pair of idler wheels and a pair of positioning wheels;
the die holder is provided with a central hole, the forming column is provided with an insulator top profiling section at the upper part and a pivoting section at the middle part, and the pivoting section extends into the central hole of the die holder and freely rotates relative to the central hole; the top profiling section of the insulator comprises a top table, an arc groove and a V-shaped groove formed in the top surface of the top table, and the core rod is transversely accommodated in the V-shaped groove;
the two idler wheels are symmetrically arranged on two sides of the forming column, and the distance between the idler wheels and the forming column is larger than the diameter of the pre-twisted binding wire;
the height of the idler wheel is higher than the top surface of the forming column and lower than the top edge of the mandrel;
the two positioning wheels are symmetrically arranged on the outer side of the idler wheel, and the top of each positioning wheel is provided with an annular limiting flange.
The lower part of the forming column is also provided with a rotating head, and the rotating head is also provided with a rotating driving structure.
The rotary driving structure is a belt transmission structure, a chain transmission structure, a gear transmission structure or a manual turning structure.
The upper end of the axis of the positioning wheel is obliquely arranged towards the axis of the forming column, and the included angle between the axis of the positioning wheel and the axis of the forming column is 10-30 degrees.
The idler wheel and the positioning wheel are respectively provided with a position adjusting plate, the position adjusting plate is provided with a waist round hole along the axis, and the position adjusting plate is fixedly connected with the die holder through the waist round hole.
And the upper surface of the die holder is provided with an annular scale mark taking the forming column as a circle center.
And a guide slope is arranged between the limiting flange and the wheel body of the positioning wheel.
A method for manufacturing a pre-twisted binding wire at the top of an insulator by adopting the bending device takes a linear spiral pre-twisted wire as a raw material and comprises the following steps:
1) Placing the middle part of the pre-twisted binding wire on the top edge of the core rod, and then restraining two ends of the pre-twisted binding wire at one side of the positioning block;
2) Hooking the pre-twisted binding wires on the two sides by using the two ends of the core rod;
3) Clockwise rotating the forming column;
4) And detaching the pre-twisted binding wire after bending from the bending device.
The shape of the forming column is equal to the top of the insulator, the arc groove is equal to the annular groove in the side face of the top of the insulator, the diameter of the core rod is equal to the diameter of the cable, and the shape of the cable mounted on the top of the insulator is simulated by matching the forming column with the core rod;
the method comprises the steps of firstly placing the middle part of a pre-twisted binding wire on the top edge of a core rod, then restraining two ends of the pre-twisted binding wire on one side of a positioning block, rotating a forming column, hooking the two ends of the pre-twisted binding wire by the core rod, sliding the pre-twisted binding wire into an arc groove of the forming column under the guidance of a positioning wheel, continuously rotating the forming column, matching with a backup wheel, and bending the two ends of the pre-twisted binding wire to realize the plastic deformation of the pre-twisted binding wire.
The pre-twisted binding wire can be bent according to the sizes of the top of the cable and the top of the insulator, so that a constructor does not need to bend the pre-twisted binding wire forcibly during high-altitude operation, the construction burden of the constructor is reduced, the bent pre-twisted binding wire can be tightly attached to the top of the cable and the top of the insulator, and the firm connection degree of the cable and the top of the insulator can be effectively ensured. In addition, standardized batch production is bent preformed binding wire, can guarantee construction quality, promotes the efficiency of construction.
Drawings
Figure 1 is a schematic perspective view of the present invention,
figure 2 is a schematic diagram of the structure of the present invention,
figure 3 is a top view of figure 2,
figure 4 is a schematic view of the structure of the forming column of the present invention,
figure 5 is a schematic view of the positioning wheel of the present invention,
figure 6 is a schematic view of the structure of the pre-twisted binding-wire of the present invention after being bent,
figure 7 is a schematic representation of the present invention prior to operation,
figure 8 is a schematic illustration of the invention after operation,
fig. 9 is a schematic view of the operation of the preformed binding-wire made by the present invention.
In the figure, 1 is a die holder, 2 is a forming column, 21 is an arc groove, 22 is a V-shaped groove, 23 is a rotating head, 3 is a mandrel, 4 is a backup wheel, 5 is a positioning wheel, 51 is a limit flange, 52 is a guide slope, 6 is a position adjusting plate, 7 is a pre-twisted binding wire, 8 is a cable, and 9 is an insulator.
Detailed Description
The invention is further explained with reference to the attached figures 1-9, and comprises a die holder 1, a forming column 2, a core rod 3, a pair of idler wheels 4 and a pair of positioning wheels 5;
the die holder 1 is provided with a central hole, the forming column 2 is provided with an insulator top profiling section at the upper part and a pivoting section at the middle part, and the pivoting section extends into the central hole of the die holder 1 and freely rotates relative to the central hole; the top profiling section of the insulator comprises a top platform, an arc groove 21 and a V-shaped groove 22 formed in the top surface of the top platform, the core rod 3 is transversely accommodated in the V-shaped groove 22, and the size of the core rod 3 profiles the diameter of the cable 8;
the two idler wheels 4 are symmetrically arranged on two sides of the forming column 2, the distance between the idler wheels 4 and the forming column 2 is larger than the diameter of the pre-twisted binding wire, and the specific size is set, so that the pre-twisted binding wire can freely pass in and out;
the height of the idler wheel 4 is higher than the top surface of the forming column 2 and lower than the top edge of the core rod 3;
two locating wheels 5 are symmetrically arranged on the outer side of the idler wheel 4, and the top of the locating wheel 5 is provided with an annular limiting flange 51 which can prevent the two ends of the pre-twisted binding wire 7 from popping up upwards.
The shape of the forming column 2 is equal to the top of the insulator 9 in overall dimension, the arc groove 21 is equal to the annular groove in the side face of the top of the insulator 9, the diameter of the core rod 3 is equal to the diameter of the cable 8, and the shape of the cable 8 installed on the top of the insulator 9 is simulated by matching the forming column 2 with the core rod 3;
firstly, the middle part of the preformed binding wire 7 is placed on the top edge of the core rod 3, then the two ends of the preformed binding wire 7 are restrained at one side of the positioning block 5, the forming column 2 is rotated, the two ends of the preformed binding wire 7 are hooked by the core rod 3 and slide into the arc groove 21 of the forming column 2 under the guidance of the positioning wheel 5, the forming column 2 continuously rotates and is matched with the idler wheel 4, and the two ends of the preformed binding wire 7 are bent.
The pre-twisted binding wire 7 can be bent according to the sizes of the top parts of the cable 8 and the insulator 9, so that a constructor does not need to bend the pre-twisted binding wire with force again during high-altitude operation, the construction burden of the constructor is relieved, the bent pre-twisted binding wire 7 can be tightly attached to the top parts of the cable 8 and the insulator 9, and the firm connection degree of the top parts of the cable 8 and the insulator 9 can be effectively ensured. In addition, standardized batch production bending preformed binding wire 7 can guarantee construction quality and improve construction efficiency.
The lower part of the forming column 2 is also provided with a rotating head 23, and the rotating head 23 is also provided with a rotating driving structure.
The rotary driving structure is a belt transmission structure, a chain transmission structure, a gear transmission structure or a manual turning structure, and can be selectively configured according to different power sources.
The axis upper end of locating wheel 5 sets up towards the axis slope of shaping post 2, and the axis of locating wheel 5 and the contained angle between the axis of shaping post 2 are at 10 ~30, and the contained angle between the axis of locating wheel 5 and the axis of shaping post 2 can be adjusted according to the diameter size of cable 8, promotes the guide effect of locating wheel 5.
The idler wheel 4 and the positioning wheel 5 are respectively provided with a position adjusting plate 6, the position adjusting plate 6 is provided with a waist circular hole along the axis, the position adjusting plate 6 is fixedly connected with the die holder 1 through the waist circular hole, and the idler wheel 4 and the positioning wheel 5 adjust the distance with the forming column 2 through the position adjusting plate 6 so as to be suitable for cables 8 and insulators 9 with different diameters, and the application range of the invention is expanded.
The upper surface of the die holder 1 is provided with annular scale marks which take the forming column 2 as the center of a circle, and the angle of each rotation of the forming column 2 is ensured to be consistent through the annular scale marks so as to obtain a standardized bending pre-twisted binding wire.
A guide slope 52 is arranged between the limiting flange 51 and the wheel body of the positioning wheel 5, and the guide slope 52 serves as a middle transition structure, so that the guide function of the positioning wheel 5 can be further ensured to be normally exerted.
A method for manufacturing a pre-twisted binding wire at the top of an insulator by adopting the bending device takes a linear spiral pre-twisted wire as a raw material and comprises the following steps:
1) Placing the middle part of the pre-twisted binding wire 7 on the top edge of the core rod 3, and then restraining two ends of the pre-twisted binding wire 7 at one side of the positioning block 5;
2) The two ends of the core rod 3 are used for hooking the pre-twisted binding wires 7 on the two sides;
3) Clockwise rotating the forming column 2 according to the same feeding amount by taking the annular scale mark on the die holder 1 as a standard;
4) And the pre-twisted binding wire after bending is unloaded from the bending device, and the pre-twisted binding wire after bending cannot deform when being unloaded from the bending device due to the plasticity and elasticity of the pre-twisted binding wire.
The present invention is not limited to the above-mentioned embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some substitutions and modifications to some technical features without creative efforts according to the disclosed technical contents, and these substitutions and modifications are all within the protection scope of the present invention.
Claims (7)
1. The insulator top pre-twisted wire binding bending device is characterized by comprising a die holder, a forming column, a core rod, a pair of idler wheels and a pair of positioning wheels;
the forming column is provided with an insulator top profiling section at the upper part and a pivoting section at the middle part, and the pivoting section extends into the central hole of the die holder and freely rotates relative to the central hole; the top profiling section of the insulator comprises a top table, an arc groove and a V-shaped groove formed in the top surface of the top table, and the core rod is transversely accommodated in the V-shaped groove;
the two idler wheels are symmetrically arranged on two sides of the forming column, and the distance between the idler wheels and the forming column is larger than the diameter of the pre-twisted binding wire;
the height of the idler wheel is higher than the top surface of the forming column and lower than the top edge of the core rod;
the two positioning wheels are symmetrically arranged on the outer sides of the idler wheels, and annular limiting flanges are arranged at the tops of the positioning wheels;
the idler wheel and the positioning wheel are respectively provided with a position adjusting plate, the position adjusting plate is provided with a waist circular hole along the axis, and the position adjusting plate is fixedly connected with the die holder through the waist circular hole; the idler wheel and the positioning wheel adjust the distance between the idler wheel and the forming column through the position adjusting plate so as to be suitable for cables and insulators with different diameters.
2. The insulator top pre-twisted wire binding bending device according to claim 1, wherein a rotating head is further arranged at the lower part of the forming column, and a rotating driving structure is further arranged on the rotating head.
3. The insulator top pre-twisted wire binding bending device according to claim 2, wherein the rotary driving structure is a belt drive, chain drive, gear drive or manual jigger structure.
4. The insulator top pre-twisted wire binding bending device according to claim 1, wherein the upper end of the axis of the positioning wheel is obliquely arranged towards the axis of the forming column, and the included angle between the axis of the positioning wheel and the axis of the forming column is 10-30 degrees.
5. The insulator top pre-twisted wire binding bending device according to claim 1, wherein an annular scale mark with the forming column as a center is arranged on the upper surface of the die holder.
6. The insulator top pre-twisted wire binding bending device according to claim 1, wherein a guide slope is arranged between the limiting flange and the wheel body of the positioning wheel.
7. The method for manufacturing the insulator top pre-twisted binding wire by adopting the bending device as claimed in claim 1 takes a linear spiral pre-twisted wire as a raw material and comprises the following steps:
1) Placing the middle part of the pre-twisted binding wire on the top edge of the core rod, and then restraining two ends of the pre-twisted binding wire at one side of the positioning block;
2) Hooking the pre-twisted binding wires on the two sides by using the two ends of the core rod;
3) Rotating the forming column clockwise;
4) And detaching the pre-twisted binding wire after bending from the bending device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110705496.2A CN113436817B (en) | 2021-06-24 | 2021-06-24 | Insulator top pre-twisted wire binding bending device and method for manufacturing bending wire binding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110705496.2A CN113436817B (en) | 2021-06-24 | 2021-06-24 | Insulator top pre-twisted wire binding bending device and method for manufacturing bending wire binding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113436817A CN113436817A (en) | 2021-09-24 |
| CN113436817B true CN113436817B (en) | 2023-03-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110705496.2A Active CN113436817B (en) | 2021-06-24 | 2021-06-24 | Insulator top pre-twisted wire binding bending device and method for manufacturing bending wire binding |
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| CN (1) | CN113436817B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204308096U (en) * | 2014-12-03 | 2015-05-06 | 河北博森光电设备科技有限公司 | Preformed top wiring forming machine |
| CN208400636U (en) * | 2018-04-12 | 2019-01-18 | 长春市伟伦电力科技有限公司 | The preformed top wiring of all insulation |
-
2021
- 2021-06-24 CN CN202110705496.2A patent/CN113436817B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204308096U (en) * | 2014-12-03 | 2015-05-06 | 河北博森光电设备科技有限公司 | Preformed top wiring forming machine |
| CN208400636U (en) * | 2018-04-12 | 2019-01-18 | 长春市伟伦电力科技有限公司 | The preformed top wiring of all insulation |
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| CN113436817A (en) | 2021-09-24 |
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