CN112191766A - Power cable bending tool - Google Patents
Power cable bending tool Download PDFInfo
- Publication number
- CN112191766A CN112191766A CN202011004642.0A CN202011004642A CN112191766A CN 112191766 A CN112191766 A CN 112191766A CN 202011004642 A CN202011004642 A CN 202011004642A CN 112191766 A CN112191766 A CN 112191766A
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- power cable
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- bending tool
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- 238000005452 bending Methods 0.000 title claims abstract description 55
- 230000005540 biological transmission Effects 0.000 claims description 14
- 238000009434 installation Methods 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 8
- 239000004677 Nylon Substances 0.000 description 7
- 229920001778 nylon Polymers 0.000 description 7
- 239000011241 protective layer Substances 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
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Classifications
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- 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
- B21F1/004—Bending wire other than coiling; Straightening wire by means of press-type tooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention discloses a power cable bending tool which comprises a base, wherein two ends of the lower side of the base are respectively provided with a limiting ring, the middle part of each limiting ring is provided with a bending block, the upper end of each bending block is fixedly connected with a pushing screw rod, the middle part of the upper side of the base is provided with a fixing block, the pushing screw rod penetrates through the upper part of the fixing block and is provided with a connecting ring, the upper side of the base is provided with four supporting rods, the four supporting rods are distributed on the upper side of the base in a rectangular shape, the upper ends of the four supporting rods are fixedly connected with a supporting frame, the pushing screw rod penetrates through the upper part of the connecting ring and is provided with threads, the pushing screw rod penetrates through the upper end of the supporting frame and is provided with a limiting block, the upper side of the supporting frame is provided with a toothed ring. The bending device can quickly complete the bending of the power cable, can accurately measure the bending angle, and is convenient for the connection and installation of the power cable.
Description
Technical Field
The invention relates to the technical field of power cable processing, in particular to a power cable bending tool.
Background
In the rapid development of social economy, a power cable is used as an extremely important device in a power grid, and the power cable is widely applied to a current power system. The power cable is used for transmitting and distributing electric energy, and is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and power transmission lines under river-crossing seawater. The basic structure of the power cable is composed of four parts, namely a wire core (conductor), an insulating layer, a shielding layer and a protective layer.
At present, in power cable's construction operation, when carrying out cable junction to power supply unit or consumer, need buckle into certain radian with power cable, time power cable's trend changes, thereby reduce area occupied, along with power cable's popularization and use gradually, the great power cable's in cross-section use amount also increases gradually, carry out the construction and the maintenance in-process of cable, because of topography feature restriction or technological requirement, often need make the cable bend to certain radian through external force and in order to satisfy the erection joint demand, buckle need waste a large amount of time to the cable through artificial mode, it is comparatively hard to buckle simultaneously, it is very inconvenient to operate. Publication No. CN103825212B provides a power cable bending tool, which mainly comprises a bidirectional wire stretcher, a wire stretcher operating handle, an external ejector rod, an internal ejector rod, a fastening device, a steel clamping groove, a rubber gasket, a left nylon cord buckle, a left nylon cord, a left nylon buckle belt, a right nylon cord buckle, a right nylon cord and a right nylon buckle belt; the cable protection device has the characteristics of simple structure, strong adaptability, convenience in use, standard operation, time and labor conservation, difficulty in damaging cables and the like.
However, the above-mentioned instrument is in the use, owing to adopt flexible nylon lock to take to connect, can't buckle power cable to accurate angle as required, and in the higher environment of power cable installation requirement, its use receives the restriction, if the angle of buckling is too big, need pull back, not only wastes time and energy and easily causes the impaired of cable body.
Disclosure of Invention
The invention aims to solve the problem that a power cable bending tool in the prior art cannot bend a power cable to an accurate angle, and provides the power cable bending tool.
In order to achieve the purpose, the invention adopts the following technical scheme:
a power cable bending tool comprises a base, wherein two limiting rings are respectively arranged at two ends of the lower side of the base, a bending block is arranged in the middle of each limiting ring, a pushing screw is fixedly connected to the upper end of each bending block, a fixing block is arranged in the middle of the upper side of the base, the pushing screw penetrates through the upper portion of the fixing block and is provided with a connecting ring, four supporting rods are arranged on the upper side of the base and are distributed on the upper side of the base in a rectangular mode, a supporting frame is fixedly connected to the upper ends of the four supporting rods, threads are arranged on the upper portion of the connecting ring through which the pushing screw penetrates, a limiting block is arranged on the upper portion of the supporting frame through which the pushing screw penetrates, a toothed ring is arranged on the upper side of the supporting frame, a screw hole is formed in the inner portion of the toothed ring, toothed patterns are arranged, the upper ends of the two fixed rods are provided with movable grooves, the side surface of the connecting ring is movably connected with two telescopic rods through pin rods, one ends of the two telescopic rods, which are far away from each other, are arranged in the movable grooves, and the two telescopic rods are movably connected with the movable grooves through the pin rods.
In the power cable bending tool, the radial section of the limiting ring is circular, and the fixing block is movably connected with the pushing screw rod.
In the above power cable bending tool, the bending block comprises a ring block, a through hole is formed in the ring block, the upper side of the cross section of the through hole is arc-shaped, a fastener moving groove is formed in the middle of the lower side of the through hole, and a fastener is arranged in the fastener moving groove.
In the above power cable bending tool, the lower end of the fastener is movably connected with a fastening screw, the upper side of the fastener is arc-shaped, the radian of the upper side of the fastener is the same as that of the through hole, the upper side of the fastener is fixedly connected with a rubber layer, and the inner wall of the through hole is provided with the rubber layer.
In the power cable bending tool, the right side of the gear ring is connected with a transmission gear in a meshed mode, and the lower side of the transmission gear is movably connected to the supporting frame through a shaft rod.
In the above-mentioned power cable bending tool, the right side of the transmission gear is engaged with a driving gear, a motor is arranged above the driving gear, a lower end output shaft of the motor is fixedly connected with the middle of the driving gear, a fixing frame is arranged on the right side of the motor, and the lower end of the fixing frame is fixedly connected with a supporting frame.
In the above power cable bending tool, the two telescopic rods are symmetrically arranged with the pushing screw rod as a center, and the two telescopic rods are movably connected with each other.
In foretell power cable instrument of bending, the telescopic link includes the outer body of rod, the inside of the outer body of rod is equipped with flexible groove, the inside in flexible groove is equipped with the interior body of rod, the one end fixedly connected with connection lath that the outer body of rod is close to the movable groove, the one end fixedly connected with connection lath that the movable groove was kept away from to the interior body of rod, the side of the outer body of rod is equipped with the pointer.
In foretell power cable instrument of bending, the side fixedly connected with right angle frame of dead lever, two the right angle frame sets up relatively, one side that the right angle frame is close to each other is equipped with the angle ring, the side of angle ring is equipped with the arc spout, the one end that the outer body of rod was kept away from to the pointer is located in the arc spout.
Compared with the prior art, the invention has the following advantages:
1. set up spacing ring and be circular shape for the cross-section, be convenient for when buckling, power cable's removal avoids causing power cable's wearing and tearing because of the displacement that produces among the bending process, has played the effect of protection cable.
2. The go-between is the same with the displacement distance that promotes between the screw rod in vertical direction, and two telescopic links remain parallel with power cable at initial condition, when buckling, can accurately reflect power cable's angle through the contained angle that produces between two telescopic links, and then can be more accurate the angle of buckling of accuse, make the power cable composite erection and the connection demand after buckling, improved installation and connection accuracy.
3. The two sides of the section of the upper part of the through hole are provided with certain radians, so that the damage of a protective layer caused by the friction between the protective layer of the cable and the edge of the ring block when the power cable is bent can be avoided; set up fastener and fastening screw fixed connection simultaneously, and the upside of fastener is equipped with the rubber layer, and the operating personnel of being convenient for fastens power cable, can further protect power cable simultaneously.
Drawings
Fig. 1 is a schematic structural view of a power cable bending tool according to the present invention;
fig. 2 is a schematic structural diagram of a bending block of a power cable bending tool according to the present invention;
FIG. 3 is a side view of a fastener of a power cable bending tool according to the present invention;
fig. 4 is a schematic view of a telescopic rod structure of a power cable bending tool according to the present invention;
fig. 5 is a schematic view of a bending angle of a power cable bending tool according to the present invention.
In the figure: the device comprises a base 1, a limiting circular ring 2, a fixing block 3, a pushing screw rod 4, a bending block 5, a ring block 501, a through hole 502, a fastener moving groove 503, a fastener 504, a fastening screw 505, a rubber layer 506, a supporting rod 6, a fixing rod 7, a supporting frame 8, a connecting ring 9, a telescopic rod 10, an outer rod body 1001, a telescopic groove 1002, an inner rod body 1003, a connecting batten 1004, a 1005 pointer, a moving groove 11, a right-angle stand 12, an angle measuring ring 13, an arc sliding groove 14, a toothed ring 15, a transmission gear 16, a driving gear 17, a motor 18 and a power cable 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, a power cable bending tool comprises a base 1, two ends of the lower side of the base 1 are respectively provided with a limit ring 2, the middle of the limit ring 2 is provided with a bending block 5, a power cable 19 sequentially passes through the left limit ring 2, the bending block 5 and the right limit ring 2 from left to right, the upper end of the bending block 5 is fixedly connected with a pushing screw 4, the bending block 5 can be controlled to move by the movement of the pushing screw 4, the middle of the upper side of the base 1 is provided with a fixed block 3, the pushing screw 4 passes through the upper part of the fixed block 3 and is provided with a connecting ring 9, the connecting ring 9 is fixedly connected with the pushing screw 4 and moves along with the movement of the pushing screw 4 in the vertical direction, the upper side of the base 1 is provided with four support rods 6, the four support rods 6 are distributed on the upper side of the base 1, the push screw 4 is fixed and supported.
The upper part of the push screw rod 4 penetrating through the connecting ring 9 is provided with threads, the upper end of the push screw rod 4 penetrating through the support frame 8 is provided with a limiting block, the excessive movement of the push screw rod 4 is avoided, the upper side of the support frame 8 is provided with a toothed ring 15, the inner part of the toothed ring 15 is provided with a screw hole, the outer side of the toothed ring 15 is provided with a toothed line, the toothed ring 15 is in threaded connection with the push screw rod 4, the threaded connection between the push screw rod 4 and the toothed ring 15 is realized, the up-and-down movement of the push screw rod 4 can be controlled by rotating the toothed ring 15, the upper side of the base 1 is provided with two fixed rods 7, the upper ends of the two fixed rods 7 are provided with movable grooves 11, the side surface of the connecting ring 9 is movably connected with two telescopic rods 10 through pin rods, the telescopic rods 10 can be extended and shortened in the self axial direction, one end of the, the telescopic rod 10 can rotate in a pin rod circular shape in the movable groove 11.
The radial cross section of the limiting ring 2 is circular, so that the power cable 19 can be conveniently moved when being bent, the abrasion of the power cable 19 caused by the displacement generated in the bending process is avoided, the cable is protected, and the fixing block 3 is movably connected with the pushing screw rod 4.
The bending block 5 comprises a ring block 501, a through hole 502 is formed in the ring block 501, the upper side of the section of the through hole 502 is arc-shaped, and the damage of a protective layer caused by friction between the protective layer of a cable and the edge of the ring block when the power cable is bent can be avoided; the lower middle part of the through hole 502 is provided with a fastener moving groove 503, the inside of the fastener moving groove 503 is provided with a fastener 504, and the fastener 504 can move up and down in the fastener moving groove 503.
The lower end of the fastener 504 is movably connected with a fastening screw 505, the fastener 504 can be pushed to move up and down by rotating the fastening screw 505, the upper side of the fastener 504 is arc-shaped, the radian of the upper side of the fastener 504 is the same as that of the through hole 502, the fastener 504 is convenient to match with the through hole 502 when moving, the upper side of the fastener 504 is fixedly connected with a rubber layer 506, and the inner wall of the through hole 502 is provided with the rubber layer 506, so that the protective layer of the power cable 19 is prevented from being damaged when being.
The right side of the gear ring 15 is engaged with a transmission gear 16, the lower side of the transmission gear 16 is movably connected to the support frame 8 through a shaft rod, and the transmission gear 16 can drive the gear ring 15 to rotate.
The right side of the transmission gear 16 is engaged with a driving gear 17, a motor 18 is arranged above the driving gear 17, the lower end output shaft of the motor 18 is fixedly connected with the middle of the driving gear 17, the driving gear 17 can be driven to rotate through the motor 18, the transmission gear 16 is further driven to rotate, a fixing frame is arranged on the right side of the motor 18, and the lower end of the fixing frame is fixedly connected with the supporting frame 8.
Two telescopic links 10 are arranged symmetrically with the pushing screw 4 as the center, and the two telescopic links 10 are movably connected with each other, as shown in fig. 5, when the pushing screw 4 moves, one end of the two telescopic links 10 far away from the fixing rod 7 is driven to move synchronously, at this time, the included angle formed by the two telescopic links 10 is gamma, the included angles between the left and right telescopic links 10 and the horizontal line are marked as alpha and beta, because the lengths of the telescopic links 10 are the same, alpha is equal to beta, at this time, only the angle of one of alpha or beta needs to be measured, gamma can be calculated by calculating the internal angle sum of the triangle to be 180 degrees, namely the angle of bending the power cable 19.
The telescopic link 10 includes outer pole body 1001, the inside of outer pole body 1001 is equipped with flexible groove 1002, pole body 1003 in the inside of flexible groove 1002 is equipped with, pole body 1003 can move in flexible groove 1002, and then realize the extension and the shrink of telescopic link 10, the one end fixedly connected with connection lath 1004 that outer pole body 1001 is close to activity groove 11, the one end fixedly connected with connection lath 1004 that activity groove 11 was kept away from to pole body 1003, be convenient for be connected movable rod 10 with other components through connecting lath 1004, the side of outer pole body 1001 is equipped with pointer 1005.
The side fixedly connected with right angle frame 12 of dead lever 7, two right angle frames 12 set up relatively, and one side that right angle frame 12 is close to each other is equipped with survey angle ring 13, and the side of survey angle ring 13 is equipped with arc spout 14, and the pointer 1005 is kept away from the one end of outer body of rod 1001 and is located in arc spout 14, and when telescopic link 10 rotated, pointer 1005 synchronous revolution in arc spout 14, through pointer 1005, the operating personnel of can being convenient for read out alpha or beta angle size this moment.
The working principle is as follows:
when the device is used, the required angle of the power cable is measured in advance, one end of the power cable 19 penetrates into the limiting ring 2, the bending block 5 and the limiting ring 2 in sequence, the fastening screw 505 is rotated to push the fastening piece 504 to move upwards to fasten the power cable 19, the motor 18 is started, the motor 18 drives the driving gear 17 to rotate, the toothed ring 15 is driven to rotate along with the driving gear under the action of the transmission gear 16, the middle part of the toothed ring 15 is in threaded connection with the pushing screw rod 4, the rotation of the pushing screw rod 4 is limited, the pushing screw rod 4 is pushed to move downwards when the toothed ring 15 rotates, the pushing screw rod 4 drives the bending block 5 to move downwards integrally, and the power cable 19 is bent under the limitation of the limiting rings 2 on the two sides; due to the fixed connection between the connection ring 9 and the pushing screw rod 4, the pushing screw rod 4 moves downwards and simultaneously drives one end of the telescopic rod 10 away from the fixed rod 7 to move downwards, so that the pointer 1005 moves in the arc-shaped sliding groove 14, the obtained angle is marked as alpha or beta and can be obtained by the sum of the inner angles of the triangle being 180 degrees, and the angle gamma formed by the power cable 19 is equal to (180-2 x alpha/beta).
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The utility model provides a power cable instrument of bending, includes base (1), its characterized in that, the downside both ends of base (1) respectively are equipped with a spacing ring (2), the middle part of spacing ring (2) is equipped with bending block (5), the upper end fixedly connected with of bending block (5) promotes screw rod (4), the upside middle part of base (1) is equipped with fixed block (3), it is equipped with go-between (9) to promote screw rod (4) through the upper portion of fixed block (3), the upside of base (1) is equipped with four bracing pieces (6), four bracing pieces (6) are the upside of rectangle distribution in base (1), the upper end fixedly connected with support frame (8) of four bracing pieces (6), it is equipped with the screw thread to promote screw rod (4) through the upper portion of go-between (9), it is equipped with the stopper to promote screw rod (4) the upper end that passes support frame (8), the upside of support frame (8) is equipped with ring gear (15), the inside of ring gear (15) is equipped with the screw, the outside of ring gear (15) is equipped with the insection, threaded connection between ring gear (15) and promotion screw rod (4), the upside of base (1) is equipped with two dead levers (7), two the upper end of dead lever (7) is equipped with movable groove (11), the side of go-between (9) has two telescopic links (10), two through pin pole swing joint telescopic link (10) the one end of keeping away from each other is located in movable groove (11), two through pin pole swing joint between telescopic link (10) and the movable groove (11).
2. The power cable bending tool according to claim 1, wherein the radial section of the limiting ring (2) is circular, and the fixing block (3) is movably connected with the pushing screw rod (4).
3. The power cable bending tool according to claim 1, wherein the bending block (5) comprises a ring block (501), a through hole (502) is formed in the ring block (501), the upper side of the cross section of the through hole (502) is arc-shaped, a fastener moving groove (503) is formed in the middle of the lower side of the through hole (502), and a fastener (504) is formed in the fastener moving groove (503).
4. The power cable bending tool according to claim 3, wherein a fastening screw (505) is movably connected to the lower end of the fastening piece (504), the upper side of the fastening piece (504) is arc-shaped, the radian of the upper side of the fastening piece (504) is identical to that of the through hole (502), a rubber layer (506) is fixedly connected to the upper side of the fastening piece (504), and the rubber layer (506) is arranged on the inner wall of the through hole (502).
5. A power cable bending tool according to claim 1, wherein a transmission gear (16) is engaged and connected to the right side of the toothed ring (15), and the lower side of the transmission gear (16) is movably connected to the support frame (8) through a shaft rod.
6. A power cable bending tool according to claim 5, wherein a driving gear (17) is engaged and connected to the right side of the transmission gear (16), a motor (18) is arranged above the driving gear (17), an output shaft at the lower end of the motor (18) is fixedly connected with the middle of the driving gear (17), a fixed frame is arranged on the right side of the motor (18), and the lower end of the fixed frame is fixedly connected with the support frame (8).
7. A power cable bending tool according to claim 1, wherein the two telescopic rods (10) are arranged symmetrically around the pushing screw (4), and the two telescopic rods (10) are movably connected to each other.
8. A power cable bending tool according to claim 1, wherein the telescopic rod (10) comprises an outer rod body (1001), a telescopic groove (1002) is formed in the outer rod body (1001), an inner rod body (1003) is formed in the telescopic groove (1002), a connecting lath (1004) is fixedly connected to one end of the outer rod body (1001) close to the movable groove (11), a connecting lath (1004) is fixedly connected to one end of the inner rod body (1003) far away from the movable groove (11), and a pointer (1005) is arranged on the side surface of the outer rod body (1001).
9. A power cable bending tool according to claim 8, wherein right-angle brackets (12) are fixedly connected to the side surfaces of the fixing rods (7), the two right-angle brackets (12) are arranged oppositely, an angle measuring ring (13) is arranged on the side, close to each other, of each right-angle bracket (12), an arc-shaped sliding groove (14) is formed in the side surface of each angle measuring ring (13), and one end, far away from the outer rod body (1001), of the pointer (1005) is arranged in the arc-shaped sliding groove (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011004642.0A CN112191766A (en) | 2020-09-22 | 2020-09-22 | Power cable bending tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011004642.0A CN112191766A (en) | 2020-09-22 | 2020-09-22 | Power cable bending tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112191766A true CN112191766A (en) | 2021-01-08 |
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ID=74015984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011004642.0A Pending CN112191766A (en) | 2020-09-22 | 2020-09-22 | Power cable bending tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112191766A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113118339A (en) * | 2021-04-23 | 2021-07-16 | 国网山东省电力公司沂南县供电公司 | High-altitude cable bending device |
| CN115301772A (en) * | 2022-08-24 | 2022-11-08 | 国网山东省电力公司济南市济阳区供电公司 | Copper bar bending device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113118339A (en) * | 2021-04-23 | 2021-07-16 | 国网山东省电力公司沂南县供电公司 | High-altitude cable bending device |
| CN115301772A (en) * | 2022-08-24 | 2022-11-08 | 国网山东省电力公司济南市济阳区供电公司 | Copper bar bending device |
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Application publication date: 20210108 |
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| RJ01 | Rejection of invention patent application after publication |