CN113394714A - Cable prestretches device for electric power construction - Google Patents
Cable prestretches device for electric power construction Download PDFInfo
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- CN113394714A CN113394714A CN202110839508.0A CN202110839508A CN113394714A CN 113394714 A CN113394714 A CN 113394714A CN 202110839508 A CN202110839508 A CN 202110839508A CN 113394714 A CN113394714 A CN 113394714A
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- wall
- cable
- connecting shaft
- power construction
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- 238000010276 construction Methods 0.000 title claims abstract description 18
- 238000004804 winding Methods 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 238000001125 extrusion Methods 0.000 claims description 14
- 238000003466 welding Methods 0.000 claims description 13
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005096 rolling process Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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Classifications
-
- 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
- H02G1/04—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables for mounting or stretching
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Abstract
The invention provides a cable pre-tensioning device for electric power construction, which has a novel structural design; the worm gear and worm wheel meshed type winding machine comprises a housing, wherein an inner wall on one side of the housing is connected with an upper connecting shaft through a bearing, the outside of the upper connecting shaft is connected with a worm wheel and a driving pulley through a flat key, inner walls on two sides of the housing are connected with worms through bearings, the inner wall on one side of the housing is connected with a lower connecting shaft through a bearing, the outside of the lower connecting shaft is connected with a winding wheel and a driven pulley through a flat key, a transmission belt is connected between the driven pulley and the driving pulley, a connecting rope is wound inside the winding wheel, the bottom end of the connecting rope is provided with a lock sleeve, and the outer wall on one side of the housing is connected with a motor through a bolt. This design utilizes the less driving band pulley of diameter to pass through the drive belt and drives the great driven band pulley of diameter and rotate, and then can obtain great pulling force when making the rolling wheel to connect the rope and carry out the rolling, and then makes the cable pretension make the pulling force bigger for the effect of the pretension in advance of cable is better.
Description
Technical Field
The invention particularly relates to the technical field of cable construction devices, in particular to a cable pre-tensioning device for electric power construction.
Background
Cable is a generic term for optical cables, electrical cables, and the like. The cable has many uses, is mainly used for controlling multiple functions such as installation, connecting device, transmission electric power, is a common and indispensable thing in daily life, in the construction of cable, needs to use and carries out the pretensioning device that fixes with ground fixed point and take-up to the cable, and then makes the cable be in the state of tightening after the installation.
When the cable pre-tensioning device in the prior art is used, the tension of the cable is small, so that the pre-tensioning effect of the cable is poor, and the cable does not have a self-locking effect after being pre-tensioned, so that the cable is unstable after being pre-tensioned, and therefore the cable pre-tensioning device for power construction is urgently needed to solve the problems.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, adapt to practical requirements and provide a cable pre-tensioning device for electric power construction, which is novel in structural design.
In order to realize the purpose of the invention, the technical scheme adopted by the invention is as follows:
the cable pre-tensioning device for electric power construction comprises a shell, wherein an inner wall of one side of the shell is connected with an upper connecting shaft through a bearing, the outside of the upper connecting shaft is connected with a worm wheel and a driving pulley through a flat key, inner walls of two sides of the shell are connected with worms through bearings, the worms are meshed with the worm wheel, the inner wall of one side of the shell is connected with a lower connecting shaft through a bearing, the outside of the lower connecting shaft is connected with a winding wheel and a driven pulley through a flat key, a transmission belt is connected between the driven pulley and the driving pulley in a transmission manner, a connecting rope is wound inside the winding wheel, a lock sleeve is arranged at the bottom end of the connecting rope, an outer wall of one side of the shell is connected with an electric motor through a bolt, and one end of an output shaft of the electric motor is connected with the worm through a spline.
The outer wall of one side of the shell is connected with a cover plate through a bolt, and one ends of the upper connecting shaft and the lower connecting shaft are connected with the cover plate through bearings.
The improved lock is characterized in that an extrusion plate is arranged inside the lock sleeve, two nuts are welded on the outer wall of one side of the lock sleeve, a stud is connected inside the nuts through threads, and one end of the stud is connected with the extrusion plate through a bearing.
The anti-skidding layer is arranged on the outer wall of one side of the extrusion plate, and the reinforcing plate is welded at one end of the stud.
The top outer wall of casing has the go-between through bolted connection, the inside grafting of go-between has the connecting rod, the bottom welding of connecting rod has the dog, the top welding of connecting rod has the couple.
The inside of couple is articulated to have the lock plate through the axle, the outer wall welding of one side of lock plate has the atress pole.
The outer wall welding of lock plate one side has the extension spring, the bottom and the connecting rod welding of extension spring.
The outer wall of one side of the extrusion plate is welded with a guide pillar, and one end of the guide pillar penetrates through the inner wall of one side of the lock sleeve and extends to the outside of the lock sleeve.
The invention has the beneficial effects that:
(1) this design utilizes the less driving band pulley of diameter to pass through the drive belt and drives the great driven band pulley of diameter and rotate, and then can obtain great pulling force when making the rolling wheel to connect the rope and carry out the rolling, and then makes the cable pretension make the pulling force bigger for the effect of the pretension in advance of cable is better.
(2) This design utilizes the motor to drive the worm and rotates for more laborsaving when the worm drives worm wheel and last connecting axle and rotates, can keep the steady state when taut through the auto-lock principle of worm wheel and worm when the cable is taut in advance simultaneously, consequently realized more stable effect when the cable is taut in advance.
(3) This design is through two double-screw bolts and skid resistant course for the stripper plate is inside more stable to the fixed of cable at the lock sleeve, and then makes the cable can not take place the phenomenon that the cable pine takes off when carrying out pretension, has packed smooth, the reliable going on of cable pretension during operation.
(4) This design utilizes the pull ring to reset the jam plate for can be convenient through the couple carry out the fixed point with ground and be connected, and then make installation convenient and fast more when carrying out pretension to the cable, make the efficiency of pretension of cable higher.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present design;
FIG. 2 is a schematic diagram of the internal structure of the present design;
FIG. 3 is a schematic view of the lock sleeve structure of the present design;
fig. 4 is a schematic diagram of the hook structure in the present design.
In the figure: the device comprises a shell 1, a worm 2, a worm wheel 3, a driving belt wheel 4, a driven belt wheel 5, a transmission belt 6, an upper connecting shaft 7, a lower connecting shaft 8, a winding wheel 9, a connecting rope 10, a motor 11, a lock sleeve 12, a squeezing plate 13, an anti-slip layer 14, a nut 15, a stud 16, a stressing plate 17, a guide pillar 18, a cover plate 19, a connecting ring 20, a connecting rod 21, a hook 22, a locking plate 23, a stressing rod 24, a tension spring 25 and a stop dog 26.
Detailed Description
The invention is further illustrated with reference to the following figures and examples:
a cable pre-tensioning device for electric power construction is disclosed, referring to figures 1 to 4, and comprises a shell 1, wherein one side inner wall of the shell 1 is connected with an upper connecting shaft 7 through a bearing, the outside of the upper connecting shaft 7 is connected with a worm wheel 3 and a driving pulley 4 through a flat key, the two side inner walls of the shell 1 are connected with worms 2 through bearings, the worms 2 are meshed with the worm wheel 3, one side inner wall of the shell 1 is connected with a lower connecting shaft 8 through a bearing, the outside of the lower connecting shaft 8 is connected with a winding wheel 9 and a driven pulley 5 through a flat key, a transmission belt 6 is connected between the driven pulley 5 and the driving pulley 4, the driven pulley 5, the driving pulley 4 and the transmission belt 6 are all provided with teeth which are meshed with each other, a connecting rope 10 is wound inside the winding wheel 9, the cable is tensioned by winding of the connecting rope 10, a lock sleeve 12 is arranged at the bottom end of the connecting rope 10, and one side outer wall of the shell 1 is connected with a motor 11 through a bolt, the model of the motor 11 is YL8S-2, one end of an output shaft of the motor 11 is connected with the worm 2 through a spline, and the motor 11 is used for driving the worm 2 to rotate.
Furthermore, there is apron 19 on one side outer wall of casing 1 through bolted connection in this design, and the one end of going up connecting axle 7 and lower connecting axle 8 passes through the bearing with apron 19 to be connected, utilizes the one end of going up connecting axle 7 and lower connecting axle 8 to pass through the bearing with apron 19 to be connected for more stable when going up connecting axle 7 and lower connecting axle 8 and rotating.
Furthermore, in the design, an extrusion plate 13 is arranged inside the lock sleeve 12, two nuts 15 are welded on the outer wall of one side of the lock sleeve 12, studs 16 are connected inside the nuts 15 through threads, one ends of the studs 16 are connected with the extrusion plate 13 through bearings, and when the studs 16 are rotated, the studs 16 drive the extrusion plate 13 to extrude and fix the cable.
Furthermore, an anti-skid layer 14 is arranged on the outer wall of one side of the extrusion plate 13 in the design, a stress plate 17 is welded at one end of the stud 16, and the stud 16 can rotate more conveniently by utilizing the stress plate 17.
Further, there is go-between 20 at the top outer wall of casing 1 through bolted connection in this design, and it has connecting rod 21 to peg graft in the inside of go-between 20, and the bottom weld of connecting rod 21 has dog 26, and the top weld of connecting rod 21 has couple 22, utilizes couple 22 to make and conveniently be connected with the fixed point on ground.
Furthermore, the inside of couple 22 has lock plate 23 through the axle hinge in this design, and the welding of one side outer wall of lock plate 23 has the power application pole 24, utilizes lock plate 23 to prevent that couple 22 can not break away from after being connected with ground fixed point.
Further, the outer wall welding of jam plate 23 one side has extension spring 25 in this design, and extension spring 25's bottom and connecting rod 21 weld utilize extension spring 25 to make jam plate 23 reset.
Furthermore, in the design, a guide post 18 is welded on the outer wall of one side of the extrusion plate 13, one end of the guide post 18 penetrates through the inner wall of one side of the lock sleeve 12 and extends to the outside of the lock sleeve 12, and the guide post 18 is used for enabling the extrusion plate 13 to move more stably in the lock sleeve 12.
In summary, the working principle of the invention is as follows: when the cable is used, when the cable needs to be pre-tensioned, one end of the cable is inserted into the lock sleeve 12, the stud 16 is rotated through the stress plate 17, the stud 16 drives the extrusion plate 13 to move through the nut 15, the extrusion plate 13 extrudes and fixes the cable, the locking plate 23 is rotated through the stress rod 24, the hook 22 is opened, the hook 22 is hooked with a fixed point, the locking plate 23 can be reset through the tension of the tension spring 25 by loosening the stress rod 24, the power supply of the motor 11 is connected through a lead, the motor 11 drives the worm 2 to rotate, the worm 2 drives the worm wheel 3 to rotate, the worm wheel 3 rotates through the upper connecting shaft 7 to drive the driving pulley 4 to rotate, the driving pulley 4 drives the driven pulley 5 to rotate through the driving belt 6, the rotation of the driven pulley 5 drives the connecting shaft 8 and the winding wheel 9 to rotate, and then the winding wheel 9 winds the connecting rope 10, so that the connecting rope 10 pulls and pre-tightens the cable.
The embodiments of the present invention are disclosed as the preferred embodiments, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention and make various extensions and changes without departing from the spirit of the present invention.
Claims (8)
1. A cable pretensioning device for electric power construction comprises a shell (1), and is characterized in that: the inner wall of one side of the shell (1) is connected with an upper connecting shaft (7) through a bearing, the outside of the upper connecting shaft (7) is connected with a worm wheel (3) and a driving pulley (4) through a flat key, the inner walls of two sides of the shell (1) are connected with worms (2) through bearings, the worms (2) are meshed with the worm wheel (3), the inner wall of one side of the shell (1) is connected with a lower connecting shaft (8) through a bearing, the outside of the lower connecting shaft (8) is connected with a winding wheel (9) and a driven pulley (5) through a flat key, a transmission belt (6) is connected between the driven pulley (5) and the driving pulley (4), a connecting rope (10) is wound inside the winding wheel (9), a lock sleeve (12) is arranged at the bottom end of the connecting rope (10), and an outer wall of one side of the shell (1) is connected with a motor (11) through a bolt, one end of an output shaft of the motor (11) is connected with the worm (2) through a spline.
2. The cable pre-tensioning device for power construction as claimed in claim 1, wherein: the outer wall of one side of the shell (1) is connected with a cover plate (19) through a bolt, and one ends of the upper connecting shaft (7) and the lower connecting shaft (8) are connected with the cover plate (19) through a bearing.
3. The cable pre-tensioning device for power construction as claimed in claim 1, wherein: the inside of lock sleeve (12) is provided with stripper plate (13), the welding of one side outer wall of lock sleeve (12) has two nuts (15), there is double-screw bolt (16) inside of nut (15) through threaded connection, the one end and stripper plate (13) of double-screw bolt (16) pass through the bearing and are connected.
4. The cable pre-tensioning device for power construction as claimed in claim 3, wherein: an anti-skid layer (14) is arranged on the outer wall of one side of the extrusion plate (13), and a reinforcing plate (17) is welded at one end of the stud (16).
5. The cable pre-tensioning device for power construction as claimed in claim 1, wherein: the top outer wall of casing (1) has go-between (20) through bolted connection, it has connecting rod (21) to peg graft in the inside of go-between (20), the bottom welding of connecting rod (21) has dog (26), the top welding of connecting rod (21) has couple (22).
6. The cable pre-tensioning device for power construction as claimed in claim 5, wherein: the inside of couple (22) is articulated through the axle and is had lock plate (23), the welding of one side outer wall of lock plate (23) has stress application pole (24).
7. The cable pre-tensioning device for power construction as claimed in claim 6, wherein: the outer wall welding of lock plate (23) one side has extension spring (25), the bottom and the connecting rod (21) welding of extension spring (25).
8. The cable pre-tensioning device for power construction as claimed in claim 3, wherein: and a guide post (18) is welded on the outer wall of one side of the extrusion plate (13), and one end of the guide post (18) penetrates through the inner wall of one side of the lock sleeve (12) and extends to the outside of the lock sleeve (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110839508.0A CN113394714A (en) | 2021-07-23 | 2021-07-23 | Cable prestretches device for electric power construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110839508.0A CN113394714A (en) | 2021-07-23 | 2021-07-23 | Cable prestretches device for electric power construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113394714A true CN113394714A (en) | 2021-09-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110839508.0A Pending CN113394714A (en) | 2021-07-23 | 2021-07-23 | Cable prestretches device for electric power construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113394714A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002027624A (en) * | 2000-07-06 | 2002-01-25 | Nagaki Seiki:Kk | Cutting/dividing method for covered overhead wire |
| CN204089048U (en) * | 2014-11-18 | 2015-01-07 | 国家电网公司 | Replacing insulator string wire grip |
| CN108599015A (en) * | 2018-04-24 | 2018-09-28 | 安徽春辉仪表线缆集团有限公司 | A kind of cable drum that reliability is high traction fixture |
| CN208094082U (en) * | 2018-05-07 | 2018-11-13 | 赵文浩 | A kind of spanner cord holder device |
| CN208337035U (en) * | 2018-07-19 | 2019-01-04 | 刘德强 | Power line construction cord holder |
| CN210223662U (en) * | 2019-09-27 | 2020-03-31 | 四川雷神电缆股份有限公司 | Cable manufacture's beam silk machine |
| CN212543204U (en) * | 2020-07-08 | 2021-02-12 | 四川中迪电力工程有限公司 | Erect cable construction and use straining device |
-
2021
- 2021-07-23 CN CN202110839508.0A patent/CN113394714A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002027624A (en) * | 2000-07-06 | 2002-01-25 | Nagaki Seiki:Kk | Cutting/dividing method for covered overhead wire |
| CN204089048U (en) * | 2014-11-18 | 2015-01-07 | 国家电网公司 | Replacing insulator string wire grip |
| CN108599015A (en) * | 2018-04-24 | 2018-09-28 | 安徽春辉仪表线缆集团有限公司 | A kind of cable drum that reliability is high traction fixture |
| CN208094082U (en) * | 2018-05-07 | 2018-11-13 | 赵文浩 | A kind of spanner cord holder device |
| CN208337035U (en) * | 2018-07-19 | 2019-01-04 | 刘德强 | Power line construction cord holder |
| CN210223662U (en) * | 2019-09-27 | 2020-03-31 | 四川雷神电缆股份有限公司 | Cable manufacture's beam silk machine |
| CN212543204U (en) * | 2020-07-08 | 2021-02-12 | 四川中迪电力工程有限公司 | Erect cable construction and use straining device |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210914 |
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| RJ01 | Rejection of invention patent application after publication |