CN109332533B - Power cable bending device - Google Patents
Power cable bending device Download PDFInfo
- Publication number
- CN109332533B CN109332533B CN201811274636.XA CN201811274636A CN109332533B CN 109332533 B CN109332533 B CN 109332533B CN 201811274636 A CN201811274636 A CN 201811274636A CN 109332533 B CN109332533 B CN 109332533B
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- linkage shaft
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- 238000005452 bending Methods 0.000 title abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 40
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F1/00—Bending wire other than coiling; Straightening wire
- B21F1/002—Bending wire other than coiling; Straightening wire by means of manually operated devices, e.g. pliers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Control Devices (AREA)
- Rehabilitation Tools (AREA)
Abstract
The invention discloses a power cable bender, which comprises a gear box and an operating handle, wherein the gear box is provided with a plurality of bending grooves; the gearbox comprises a main box body, a bottom cover, a rear cover, a movable stress rod, a main gear, a transmission shaft, a pinion and a linkage shaft, wherein the main box body is detachably connected with the bottom cover and the rear cover respectively, a rectangular vertical through hole II is formed in the center of the front wall of the main box body, and fixed stress rods are symmetrically arranged at the left side and the right side of the through hole II; the auxiliary gear is fixed on the linkage shaft, one end of the linkage shaft penetrates through the main box body, the other end of the linkage shaft is connected with the bottom cover, one end of the movable stress rod is arranged in the main box body and is in threaded connection with the linkage shaft, and the other end of the movable stress rod penetrates through the through hole II; the main gear is fixed on the transmission shaft, one end of the transmission shaft passes through the rear cover, the main gear is vertically meshed with the auxiliary gear, and the operating handle is connected with the linkage shaft or the transmission shaft. The invention has simple structure, light force application, and can be used by penetrating into the junction box, thereby being suitable for operation in various spaces.
Description
Technical Field
The invention relates to the field of power supply engineering, in particular to a power cable bending device.
Background
The power cable is used for transmitting and distributing electric energy, and in various engineering constructions, the laying and the wiring of the power cable are all completed by professionals as key projects, wherein the wiring related to a cable terminal is a technical problem. The power cable terminal wiring is often because need implement in the junction box, and the working space is little, the degree of difficulty of bending is big, easily causes cable core damage. At present, operators generally pull out the cable by penetrating the cable into the junction box through the excessive wire inlet and then pulling out the cable through the wire connection operation port, the F-shaped wrench or other cable bending tools are used for completing bending work of the cable outside the junction box, and then the cable is pulled back to complete cable core wiring work in the junction box.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a power cable bending device.
In order to achieve the above object, the technical scheme of the present invention is as follows: a power cable bender which characterized in that: comprises a gear box and an operating handle;
the gear box comprises a main box body, a bottom cover, a rear cover, a movable stress rod, a main gear, a transmission shaft, a pinion and a linkage shaft, wherein the main box body is detachably connected with the bottom cover and the rear cover respectively, a groove I is formed in the outer side of the upper wall of the main box body, a through hole I is formed in the center of the groove I, a groove II is formed in the inner side of the bottom cover, the center line of the through hole I and the center line of the groove II are on the same straight line, a groove III is formed in the center of the rear cover, a through hole IV is formed in the center of the groove III, a rectangular vertical through hole II is formed in the center of the front wall of the main box body, and fixed stress rods are symmetrically arranged on the left side and the right side of the through hole II; one end of the linkage shaft is inserted into the groove II, the other end of the linkage shaft penetrates through the through hole I and is inserted into the groove I, the pinion is fixed on the linkage shaft and is close to one end of the bottom cover, and an external thread is arranged on the section between the pinion and the through hole I; one end of the movable stress rod is provided with a through hole III, the inner wall of the through hole III is provided with an internal thread, one end of the movable stress rod, which is provided with the through hole III, is arranged in the main box body and is in threaded connection with the linkage shaft through the through hole III, and the other end of the movable stress rod passes through a through hole II;
the main gear is fixed on the transmission shaft, one end of the transmission shaft penetrates through the through hole IV and is inserted into the groove III, the main gear is vertically meshed with the auxiliary gear, and the inside of the transmission shaft insertion groove III and the inside of the coupling shaft insertion groove I are of regular hexagonal prism structures with the same size;
the operating handle comprises a T-shaped rod, a groove IV matched with the regular hexagonal prism end of the transmission shaft or the regular hexagonal prism end of the linkage shaft is arranged in the center of the tail of the T-shaped rod, the cross section of the groove IV is regular hexagon, and the tail of the T-shaped rod is inserted into the groove I or the groove III and is connected with the linkage shaft or the transmission shaft through the groove IV.
Further; the inner diameter of the groove I is the same as the inner diameter of the groove III, the inner walls of the groove I and the groove III are both provided with internal threads, the operating handle further comprises a sleeve and a movable screw thread, the T-shaped rod body is provided with an annular convex buckle, the sleeve is of a hollow cylindrical structure, the sleeve is sleeved on the T-shaped rod body and is sleeved between the tail part of the T-shaped rod and the buckle, the outer walls of the two ends of the sleeve are both provided with external threads, one end of the sleeve, which is close to the buckle, is provided with a groove V which is clamped with the buckle, the center of the movable screw thread is provided with a stepped through hole, a small hole in the stepped through hole is sleeved with the T-shaped rod body, and a large Kong Taozhu sleeve is connected with the sleeve in a threaded manner,
the tail part of the operating handle is inserted into the groove I or the groove III, is in threaded connection with the groove I or the groove III through a sleeve, and is connected with a linkage shaft or a transmission shaft through the T-shaped rod groove IV.
Further; the main box body is internally provided with a main gear fixing plate, the main gear fixing plate is positioned between the linkage shaft and the rear cover and is integrally formed with the main box body, the lower end face of the main gear fixing plate is higher than the pinion, the main gear fixing plate is provided with a through hole V, the center line of the through hole V and the center line of the through hole IV are in the same straight line, one end of the transmission shaft penetrates through the through hole IV to be inserted into the groove III, and the other end of the transmission shaft is inserted into the through hole V.
Further; the length of the diagonal of the regular hexagonal prism body is respectively smaller than the length of the diameter of the transmission shaft and the length of the diameter of the linkage shaft.
The invention has the beneficial effects that:
1) The cable wire bending and wiring device is small in structure, convenient to assemble and disassemble, simple and safe to operate, can be randomly inserted into various power receiving and distributing boxes, and can effectively avoid mechanical injury to personnel and cables in the conventional cable wire bending process by only rotating the operating handle outside.
2) The gear box is designed with two force application transmission ports, the connection positions of the operating handle and the gear box can be changed according to the environment requirement, so that the power cable core can be changed in various directions horizontally and vertically, the wiring is more convenient and attractive, and the cable wiring operation in various space and working condition environments can be dealt with.
3) The transmission mode of the invention is straight bevel gear transmission and thread transmission, the transmission torque is large, the transmission process is fine, the transmission is more labor-saving and stable than the traditional bending mode, the cable core can be effectively bent only by rotating the T-shaped rod of the operating handle by one hand during operation, the force application action is small, and the space is not limited.
4) The limiting hole through hole II of the movable stress rod is of a strip-shaped track type design, is large in adjusting amplitude and stable in force application, can adapt to power cable cores with various wire diameters, has a bending angle of 180 degrees for small-wire-diameter cable cores, is high in universality and low in cost, and is suitable for popularization.
Drawings
FIG. 1 is a schematic view of the structure of the connection of the operating handle and the rear cover of the gearbox of the present invention;
FIG. 2 is a schematic view of the connection of the operating handle to the main housing of the gearbox according to the present invention;
FIG. 3 is a schematic view of an exploded split construction of the gearbox of the present invention;
FIG. 4 is a front cross-sectional view showing a state in which the main casing is coupled to the bottom cover and the rear cover in accordance with the present invention;
FIG. 5 is a front cross-sectional view of the gear box of the present invention;
FIG. 6 is a schematic view of the explosion separation structure of the main case, the bottom cover and the rear cover of the present invention;
FIG. 7 is a schematic view of the T-bar construction of the present invention;
FIG. 8 is a schematic view of the sleeve structure of the present invention;
fig. 9 is a schematic view of the structure of the operating handle of the present invention.
In the figure: 1. the main box body, 2, the back cover, 3, the bottom cover, 4, the removal atress pole, 5, the master gear, 6, the transmission shaft, 7, the pinion, 8, the universal driving axle, 9, the fixed atress pole, 11, recess I, 12, through-hole I, 13, recess II, 14, recess III, 15, through-hole IV, 16, through-hole II, 17, master gear fixed plate, 18, through-hole V, 19, through-hole III, 21, T shape pole, 22, sleeve, 23, movable screw thread, 24, buckle, 25, recess IV, 26, recess V.
Detailed Description
Examples:
as shown in fig. 1 to 9, a power cable bender is characterized in that: comprises a gear box and an operating handle,
the gear box comprises a main box body 1, a rear cover 2, a bottom cover 3, a movable stress rod 4, a main gear 5, a transmission shaft 6, a pinion 7 and a linkage shaft 8, wherein the main box body 1 is respectively connected with the rear cover 2 and the bottom cover 3 through bolts, a circular groove I11 is formed in the outer side of the upper wall of the main box body 1, an internal thread is formed in the inner wall of the groove I11, a through hole I12 is formed in the center of the groove I11, a circular groove II 13 is formed in the inner side of the bottom cover 3, the center line of the through hole I12 and the center line of the groove II 13 are on the same straight line, a circular groove III 14 is formed in the center of the rear cover 2, an internal thread is formed in the inner wall of the groove III 14, a through hole IV 15 is formed in the center of the groove III 14, and the inner diameter of the groove I11 is the same as that of the groove III 14.
A rectangular vertical through hole II 16 is formed in the center of the front wall of the main box body 1, fixed stress rods 9 are symmetrically arranged on the left side and the right side of the through hole II 16, and the fixed stress rods 9 and the main box body 1 are integrally formed; one end of the linkage shaft 8 is inserted into the groove II 13, the other end of the linkage shaft passes through the through hole I12 and is inserted into the groove I11, the pinion 7 is fixed on one end, close to the bottom cover 3, of the linkage shaft 8, and an external thread is arranged on a section between the pinion 7 and the through hole I12; the utility model discloses a mobile stress rod, including main box 1, mobile stress rod 4, through-hole II 16, through-hole III 19, internal thread is equipped with to remove atress rod 4 one end for the square structure, the square center is equipped with through-hole III 19, through-hole III 19 inner wall is equipped with the internal thread, remove atress rod 4 square structure one end and locate in the main box 1 to through-hole III 19 and universal driving shaft 8 threaded connection, the other end passes through.
The main box body 1 is internally provided with a main gear fixing plate 17, the main gear fixing plate 17 is positioned between the linkage shaft 8 and the rear cover 2 and is integrally formed with the main box body 1, the lower end face of the main gear fixing plate 17 is higher than the auxiliary gear 7, the main gear fixing plate 17 is provided with a through hole V18, the center line of the through hole V18 and the center line of the through hole IV 15 are on the same straight line, the main gear 5 is fixed on the transmission shaft 6, one end of the transmission shaft 6 penetrates through the through hole IV 15 and is inserted into the groove III 14, the other end of the transmission shaft 6 is inserted into the through hole V18, the main gear 5 is vertically meshed with the auxiliary gear 7, the inside of the insertion groove III 14 of the transmission shaft 6 and the inside of the insertion groove I11 of the linkage shaft 8 are of regular hexagonal prism structures with the same size, and the lengths of diagonal lines of the regular hexagonal prisms are respectively smaller than the lengths of the diameters of the transmission shaft 6 and the diameters of the linkage shaft 8.
The operating handle comprises a T-shaped rod 21, a sleeve 22 and a movable screw thread 23, wherein the center of the tail part of the T-shaped rod 21 is provided with a groove IV 25 matched with the regular hexagonal prism end of a transmission shaft 6 or the regular hexagonal prism end of a linkage shaft 8, the cross section of the groove IV 25 is regular hexagon, the rod body of the T-shaped rod 21 is provided with an annular raised buckle 24, the sleeve 22 is of a hollow cylindrical structure, the sleeve 22 is sleeved on the rod body of the T-shaped rod 21 and is sleeved between the tail part of the T-shaped rod 21 and the buckle 24, the outer walls of the two ends of the sleeve 22 are respectively provided with external threads, the outer diameter of the sleeve is matched with the inner diameter of a groove I11 and the inner diameter of a groove III 14, one end, close to the buckle 24, of the sleeve 22 is provided with a groove V26 clamped with the buckle 24, the center of the movable screw thread 23 is provided with a stepped through hole, the small hole in the stepped through hole is sleeved with the rod 21, and the sleeve Kong Taozhu is in threaded connection with the sleeve 22;
the tail part of the operating handle is inserted into a gear box groove I11 or a groove III 14, is in threaded connection with the groove I11 or the groove III 14 through a sleeve 22, and is connected with a linkage shaft 8 or a transmission shaft 6 through a groove IV 25 of a T-shaped rod 21.
When the explosion-proof three-phase asynchronous motor is particularly used, taking wiring in a junction box of the explosion-proof three-phase asynchronous motor as an example, firstly, a cable terminal is penetrated into the junction box, two fixed stress rods 9 are close to the specific position where a power cable needs to be bent, an operation handle is connected with a gear box groove III 14, a T-shaped rod 21 is rotated, so that a main gear 5 and a pinion 7 are driven to drive and rotate a linkage shaft 8, the linkage shaft 8 drives the movable stress rod 4 to move up and down to apply force to the power cable, and the fixed stress rods 9 and the movable stress rod 4 are matched to apply force to complete the bending work of the power cable; in the bending process, the horizontal trend of cable bending can be adjusted by changing the vertical force application direction of the movable force-bearing rod 8, if the bending position is unsuitable or the vertical direction of the cable core is required to be changed, the operating handle can be detached and then connected with the gear box groove I11, and the fixed force-bearing rod 9 and the movable force-bearing rod 8 can be continuously used after the insertion direction and the force application direction are changed.
The above-described embodiments are merely preferred embodiments of the present invention, and the present invention is not limited in any way, and other variations and modifications may be made without departing from the technical aspects set forth in the claims.
In the description of the present invention, it should be understood that the terms "orientation" or "positional relationship" are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and to simplify the description, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention.
Claims (2)
1. A power cable bender which characterized in that: comprises a gear box and an operating handle;
the gear box comprises a main box body, a bottom cover, a rear cover, a movable stress rod, a main gear, a transmission shaft, a pinion and a linkage shaft, wherein the main box body is detachably connected with the bottom cover and the rear cover respectively, a groove I is formed in the outer side of the upper wall of the main box body, a through hole I is formed in the center of the groove I, a groove II is formed in the inner side of the bottom cover, the center line of the through hole I and the center line of the groove II are on the same straight line, a groove III is formed in the center of the rear cover, a through hole IV is formed in the center of the groove III, a rectangular vertical through hole II is formed in the center of the front wall of the main box body, and fixed stress rods are symmetrically arranged on the left side and the right side of the through hole II; one end of the linkage shaft is inserted into the groove II, the other end of the linkage shaft penetrates through the through hole I and is inserted into the groove I, the pinion is fixed on the linkage shaft and is close to one end of the bottom cover, and an external thread is arranged on the section between the pinion and the through hole I; one end of the movable stress rod is provided with a through hole III, the inner wall of the through hole III is provided with an internal thread, one end of the movable stress rod, which is provided with the through hole III, is arranged in the main box body and is in threaded connection with the linkage shaft through the through hole III, and the other end of the movable stress rod passes through a through hole II;
the main gear is fixed on the transmission shaft, one end of the transmission shaft penetrates through the through hole IV and is inserted into the groove III, the main gear is vertically meshed with the auxiliary gear, and the inside of the transmission shaft insertion groove III and the inside of the coupling shaft insertion groove I are of regular hexagonal prism structures with the same size;
the operating handle comprises a T-shaped rod, a groove IV matched with a regular hexagonal prism end of the transmission shaft or a regular hexagonal prism end of the linkage shaft is arranged in the center of the tail of the T-shaped rod, the cross section of the groove IV is regular hexagon, and the tail of the T-shaped rod is inserted into the groove I or the groove III and is connected with the linkage shaft or the transmission shaft through the groove IV;
the inner diameter of the groove I is the same as the inner diameter of the groove III, the inner walls of the groove I and the groove III are both provided with internal threads, the operating handle further comprises a sleeve and a movable screw thread, the T-shaped rod body is provided with an annular convex buckle, the sleeve is of a hollow cylindrical structure, the sleeve is sleeved on the T-shaped rod body and is sleeved between the tail part of the T-shaped rod and the buckle, the outer walls of the two ends of the sleeve are both provided with external threads, one end, close to the buckle, of the sleeve is provided with a groove V which is clamped with the buckle, the center of the movable screw thread is provided with a stepped through hole, the small hole in the stepped through hole is sleeved with the T-shaped rod body, and the large Kong Taozhu sleeve is in threaded connection with the sleeve;
the tail part of the operating handle is inserted into the groove I or the groove III, is in threaded connection with the groove I or the groove III through a sleeve, and is connected with a linkage shaft or a transmission shaft through a T-shaped rod groove IV;
the length of the diagonal of the regular hexagonal prism body is respectively smaller than the length of the diameter of the transmission shaft and the length of the diameter of the linkage shaft.
2. The power cable bender according to claim 1, wherein: the main box body is internally provided with a main gear fixing plate, the main gear fixing plate is positioned between the linkage shaft and the rear cover and is integrally formed with the main box body, the lower end face of the main gear fixing plate is higher than the pinion, the main gear fixing plate is provided with a through hole V, the center line of the through hole V and the center line of the through hole IV are in the same straight line, one end of the transmission shaft penetrates through the through hole IV to be inserted into the groove III, and the other end of the transmission shaft is inserted into the through hole V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811274636.XA CN109332533B (en) | 2018-10-30 | 2018-10-30 | Power cable bending device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811274636.XA CN109332533B (en) | 2018-10-30 | 2018-10-30 | Power cable bending device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109332533A CN109332533A (en) | 2019-02-15 |
| CN109332533B true CN109332533B (en) | 2023-10-24 |
Family
ID=65311015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811274636.XA Active CN109332533B (en) | 2018-10-30 | 2018-10-30 | Power cable bending device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109332533B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07143630A (en) * | 1993-11-18 | 1995-06-02 | Sone Kogu Seisakusho:Kk | Cable bender |
| JPH07222321A (en) * | 1994-01-31 | 1995-08-18 | Mitsubishi Cable Ind Ltd | Cable bender |
| CN202094543U (en) * | 2011-04-22 | 2011-12-28 | 北京市电力公司 | Cable bending machine |
| CN103825212A (en) * | 2013-11-25 | 2014-05-28 | 国网山东阳谷县供电公司 | Power cable bending tool |
| CN204843967U (en) * | 2015-06-30 | 2015-12-09 | 国家电网公司 | Cable spanner of bending with adjustable |
| CN207343648U (en) * | 2017-09-13 | 2018-05-11 | 江苏鸿盛电气工程有限公司 | Cable bending wrench |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209424432U (en) * | 2018-10-30 | 2019-09-24 | 利华益维远化学股份有限公司 | A kind of power cable bending machine |
-
2018
- 2018-10-30 CN CN201811274636.XA patent/CN109332533B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07143630A (en) * | 1993-11-18 | 1995-06-02 | Sone Kogu Seisakusho:Kk | Cable bender |
| JPH07222321A (en) * | 1994-01-31 | 1995-08-18 | Mitsubishi Cable Ind Ltd | Cable bender |
| CN202094543U (en) * | 2011-04-22 | 2011-12-28 | 北京市电力公司 | Cable bending machine |
| CN103825212A (en) * | 2013-11-25 | 2014-05-28 | 国网山东阳谷县供电公司 | Power cable bending tool |
| CN204843967U (en) * | 2015-06-30 | 2015-12-09 | 国家电网公司 | Cable spanner of bending with adjustable |
| CN207343648U (en) * | 2017-09-13 | 2018-05-11 | 江苏鸿盛电气工程有限公司 | Cable bending wrench |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109332533A (en) | 2019-02-15 |
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