CN116620945A - Pretensioning device for power cable erection - Google Patents
Pretensioning device for power cable erection Download PDFInfo
- Publication number
- CN116620945A CN116620945A CN202310719448.8A CN202310719448A CN116620945A CN 116620945 A CN116620945 A CN 116620945A CN 202310719448 A CN202310719448 A CN 202310719448A CN 116620945 A CN116620945 A CN 116620945A
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- Prior art keywords
- wire
- cable
- sliding
- pretensioning
- motor
- Prior art date
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- 238000004804 winding Methods 0.000 claims abstract description 13
- 238000009434 installation Methods 0.000 claims 1
- 238000011084 recovery Methods 0.000 abstract 1
- 230000005484 gravity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H54/00—Winding, coiling, or depositing filamentary material
- B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
- B65H54/40—Arrangements for rotating packages
- B65H54/44—Arrangements for rotating packages in which the package, core, or former is engaged with, or secured to, a driven member rotatable about the axis of the package
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H51/00—Forwarding filamentary material
- B65H51/02—Rotary devices, e.g. with helical forwarding surfaces
- B65H51/04—Rollers, pulleys, capstans, or intermeshing rotary elements
- B65H51/08—Rollers, pulleys, capstans, or intermeshing rotary elements arranged to operate in groups or in co-operation with other elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
- B65H59/10—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by devices acting on running material and not associated with supply or take-up devices
- B65H59/18—Driven rotary elements
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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
- H02G1/06—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/34—Handled filamentary material electric cords or electric power cables
Landscapes
- Electric Cable Installation (AREA)
Abstract
The invention relates to the field of cable erection equipment, in particular to a pre-tightening device for power cable erection. The invention provides a pretensioning device for erecting a power cable, which comprises a base, a supporting shaft, a supporting plate, a wire roller, a telescopic frame, a wire winding mechanism, a wire outgoing mechanism and a pretensioning mechanism, wherein the supporting shaft is rotatably connected to the top of the base, the supporting plate is connected to the supporting shaft, the wire roller is rotatably connected to the supporting plate, a cable is wound on the wire roller, the telescopic frame is arranged beside the base, the wire winding mechanism is arranged on the supporting plate and the wire roller, and the wire outgoing mechanism for pulling out the cable and the pretensioning mechanism for pretensioning during cable recovery are arranged on the telescopic frame. According to the cable tightening device, the photoelectric sensor is used for transmitting a cable tightening signal, the first motor stops working, the cable can be prevented from being pulled after being tightened, the photoelectric sensor is matched with the connecting strip to sense the loosening and tightening states of the cable, and then the cable is retracted through the first motor, so that the cable is prevented from loosening.
Description
Technical Field
The invention relates to the field of cable erection equipment, in particular to a pre-tightening device for power cable erection.
Background
Typically, cabling refers to the routing of cables to electrical equipment or another electrical box after exiting the box. For example, the cable is laid in a hidden way and a bright way along the top plate of the ground wall, and the cable laying bridge, cable feeding groove and the like are all common cable laying modes, and proper cable laying modes are selected according to different environments, conditions and properties.
According to a cable erection device proposed in the patent publication CN113460803B, the device is a device capable of limiting cable loosening, when a constructor stops pulling a cable, a displacement sensor stops changing, a controller controls an electric cylinder to drive a connecting sleeve plate to move to a pin rod to be separated from a pin hole, limiting of a tensioning frame is relieved, one side of the cable drives a wire roller to move towards a tension spring under the action of the tensioning frame, the wire roller is abutted and pressed on a fixed shaft, continuous rotation of the wire roller is limited, the condition that the cable loosening causes excessive cables to be pulled out is reduced, however, the device cannot ensure that the constructor stops pulling the cable, then a vertical horse limits the cable roller to rotate, and still a part of the cable is loosened, so that the loosened cable cannot be well retracted.
Disclosure of Invention
In order to overcome the defect that the loosened cable cannot be well recovered, the invention provides the pre-tightening device for the power cable erection, which can recover the loosened wire.
The technical scheme is as follows: the utility model provides a power cable erects and uses preloading device, including base, back shaft, backup pad and wire roller, the base top rotation is connected with the back shaft, be connected with the backup pad on the back shaft, rotation is connected with the wire roller in the backup pad, around having the cable on the wire roller, still including expansion bracket, wire winding mechanism, wire outgoing mechanism and preloading mechanism, the other expansion bracket that is equipped with of base is provided with on backup pad and the wire roller and is used for retrieving the wire winding mechanism of taking off, be provided with on the expansion bracket and be used for the wire outgoing mechanism of cable pulling out and be used for the preloading mechanism when retrieving the cable.
In addition, it is particularly preferable that the wire winding mechanism comprises a first motor, a first gear and a second gear, the first motor is installed on the supporting plate, the first gear is connected to an output shaft of the first motor through a one-way coupler, the second gear is connected to one side of the wire roller, which is close to the first motor, and the first gear is meshed with the second gear.
In addition, it is particularly preferred that the wire outlet mechanism comprises a support plate, a second motor, a first wire outlet roller, a second wire outlet roller, a first sliding block and a sliding column, wherein the support plate is connected to the left side and the right side of the top of the telescopic frame, the first wire outlet roller is rotatably connected between the lower parts of the two support plates, the sliding column is connected to the upper parts of the two support plates, the first sliding block is slidably connected to the sliding column, the first sliding block is slidably connected with the support plate, the second wire outlet roller is rotatably connected between the first sliding blocks on the left side and the right side, the second motor is mounted on the top of the telescopic frame, and the output shaft of the second motor is connected with the first wire outlet roller.
In addition, particularly preferred, pretension mechanism is including pretension frame, the double-screw bolt, the slide, accept the post, the spliced pole, slider two, the connecting rod, reset spring, photoelectric sensor and controller, the expansion bracket front portion is connected with pretension frame, pretension frame lower part has the double-screw bolt through threaded connection, be connected with the slide in the pretension frame, slide left and right part all sliding connection have the spliced pole, be connected with slider two on the spliced pole, all be connected with reset spring between slider two of left and right sides and the slider two, be connected with the accepting post in the rotation between slider two of left and right sides, accept the post height slightly higher than wire roll one, two slider two are kept away from each other one side all be connected with the connecting rod, the rectangular breach is opened at the connecting rod middle part, the connecting rod of left and right sides all is connected with the slide slidingly, photoelectric sensor is all installed to slide left and right sides, the controller is installed to pretension frame one side, through electric connection between controller, photoelectric sensor and the first motor.
Furthermore, it is particularly preferred that the telescopic frame can be lifted and lowered, the telescopic frame being used for erecting cables to different heights.
In addition, particularly preferred is, still including connecting plate, punch holder, spring one, ratchet gear, ratchet bar and lower plate, be connected with the connecting plate between the slider one of slider one both sides, be connected with the punch holder on the connecting plate, even interval is connected with a plurality of springs one between connecting plate and the punch holder, one side left part and the right part that the punch holder is close to wire roll two all are connected with the ratchet bar, wire roll two both sides all are connected with the ratchet gear, adjacent ratchet bar and ratchet gear engagement, be connected with the lower plate between the extension board of left and right sides, punch holder and lower plate are used for centre gripping cable.
In addition, it is particularly preferable that the device further comprises a rotating handle and a second spring, wherein the second spring is connected between the first slider and the support plate, the rotating handle is connected to the upper portion of the support plate through threads, and the rotating handle is in contact with the first slider.
In addition, particularly preferred is, still including servo motor, worm wheel and worm, the servo motor is installed at the base top, and the base top rotation is connected with the worm, and servo motor's output shaft is connected with the worm, is connected with the worm wheel on the back shaft, and the worm wheel meshes with the worm.
The beneficial effects are that:
1. according to the cable tightening device, the photoelectric sensor is used for transmitting a cable tightening signal, the first motor stops working, the cable can be prevented from being pulled after being tightened, the photoelectric sensor is matched with the connecting strip to sense the loosening and tightening states of the cable, and then the cable is retracted through the first motor, so that the cable is prevented from loosening.
2. According to the invention, the cable can be clamped by the gravity of the wire outlet roller II, the wire outlet roller II is driven to rotate in the opposite direction to the wire outlet direction by friction force when the cable is recovered, the wire outlet roller II rotates to drive the upper clamping plate to move downwards by the cooperation of the ratchet gear and the ratchet bar, and the upper clamping plate moves downwards to clamp the wire by the cooperation of the lower clamping plate, so that the erected cable is prevented from being pulled when the cable is recovered.
3. According to the invention, the worm is driven to rotate through the servo motor, the worm rotates to drive the worm wheel, the support shaft, the support plate and the wire roller to rotate, and the wire roller can provide cables for all positions in the rotating direction, so that the cable can be more conveniently erected.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of a wire winding mechanism according to the present invention.
Fig. 3 is a schematic perspective view of the base and the support shaft of the present invention.
Fig. 4 is a schematic perspective view of a telescopic frame, a support plate, a pre-tightening frame, etc. according to the present invention.
Fig. 5 is a schematic diagram of a wire outlet mechanism and a three-dimensional structure of the invention.
Fig. 6 is a schematic perspective view of a first embodiment of a pretensioning mechanism according to the present invention.
Fig. 7 is a schematic view of a second perspective structure of the pretensioning mechanism of the present invention.
Fig. 8 is a schematic perspective view of the upper plate, spring one, ratchet gear, etc. of the present invention.
Fig. 9 is a schematic perspective view of the upper plate, ratchet gear, ratchet bar, etc. of the present invention.
Fig. 10 is a cross-sectional view of the stent of the present invention.
Fig. 11 is a schematic perspective view of a servo motor, worm wheel, worm, etc. according to the present invention.
In the figure: the device comprises a base, a 2-supporting shaft, a 3-supporting plate, a 4-wire roller, a 5-first motor, a 51-gear I, a 52-gear II, a 6-telescopic frame, a 7-supporting plate, a 71-second motor, a 72-wire roller I, a 73-wire roller II, a 74-slide block I, a 75-slide column, an 8-pretensioning frame, a 81-stud, a 82-slide plate, a 83-receiving column, a 84-connecting column, a 85-slide block II, a 86-connecting bar, a 87-return spring, a 88-photoelectric sensor, a 89-controller, a 9-connecting plate, a 91-upper clamping plate, a 92-spring I, a 93-ratchet gear, a 94-ratchet bar, a 95-lower clamping plate, a 10-rotating handle, a 101-spring II, a 11-servo motor, a 111-worm gear, a 112-worm and a 18-cable.
Detailed Description
The invention will now be described in more detail with reference to the drawings and specific examples, which are not intended to limit the invention thereto.
The embodiment 1 is a pretensioning device for erecting a power cable, as shown in fig. 1-7, the pretensioning device comprises a base 1, a supporting shaft 2, a supporting plate 3, a wire roller 4, a telescopic frame 6, a wire winding mechanism, a wire outgoing mechanism and a pretensioning mechanism, wherein the supporting shaft 2 is rotatably connected to the top of the base 1, the supporting plate 3 is connected to the supporting shaft 2, the wire roller 4 is rotatably connected to the supporting plate 3, the wire roller 4 is used for winding a cable 18, the telescopic frame 6 is arranged beside the base 1, lifting of the telescopic frame 6 can be realized, the telescopic frame 6 is used for erecting the cable 18 to different heights, the supporting plate 3 and the wire roller 4 are provided with the wire winding mechanism for retracting the loosened cable 18, the wire outgoing mechanism is arranged on the telescopic frame 6, the wire outgoing mechanism is used for pulling out the cable 18, and the pretensioning mechanism is arranged on the telescopic frame 6, and the pretensioning mechanism is used for pretensioning when the cable 18 is recovered.
As shown in fig. 1 and 2, the wire winding mechanism comprises a first motor 5, a first gear 51 and a second gear 52, the first motor 5 is mounted on the supporting plate 3, the first gear 51 is connected to an output shaft of the first motor 5 through a one-way coupler, the first motor 5 is used for driving the first gear 51 to rotate, one side, close to the first motor 5, of the wire roller 4 is connected with the second gear 52, the first gear 51 is meshed with the second gear 52, the first gear 51 rotates to drive the second gear 52 to rotate, the second gear 52 rotates to drive the wire roller 4 to rotate, and the wire roller 4 rotates to retract the loosened wire cable 18.
As shown in fig. 4 and 5, the wire outlet mechanism includes a support plate 7, a second motor 71, a first wire outlet roller 72, a second wire outlet roller 73, a first slider 74 and a sliding column 75, wherein the left side and the right side of the top of the telescopic frame 6 are both connected with the support plate 7, the first wire outlet roller 72 is rotatably connected between the lower parts of the two support plates 7, the upper parts of the two support plates 7 are both connected with the sliding column 75, the first slider 74 is slidably connected with the support plate 7, the second wire outlet roller 73 is rotatably connected between the first sliders 74 on the left side and the right side, the second wire outlet roller 73 is matched with the first wire outlet roller 72 to clamp the cable 18, the second motor 71 is mounted on the top of the telescopic frame 6, the output shaft of the second motor 71 is connected with the first wire outlet roller 72, the second motor 71 is used for driving the first wire outlet roller 72 to rotate, and the first wire outlet roller 72 is rotatably matched with the second wire outlet roller 73 to drive the cable 18 through friction force.
As shown in fig. 6 and 7, the pre-tightening mechanism comprises a pre-tightening frame 8, a stud 81, a sliding plate 82, a receiving column 83, a connecting column 84, a second sliding block 85, a connecting bar 86, a return spring 87, a photoelectric sensor 88 and a controller 89, wherein the pre-tightening frame 8 is connected to the front portion of the telescopic frame 6, the lower portion of the pre-tightening frame 8 is connected with the stud 81 through threads, the sliding plate 82 is connected to the pre-tightening frame 8 in a sliding manner, the sliding plate 82 can be driven by the manual screwing of the stud 81 to move upwards through threads, the left portion and the right portion of the sliding plate 82 are connected with the connecting column 84 in a sliding manner, the second sliding block 85 is connected to the connecting column 84, the receiving column 83 is connected between the sliding plate 82 on the left side and the right side and the second sliding block 85 in a rotating manner, the connecting bar 86 is connected to one side, which the two sliding blocks 85 are far away from each other, a strip-shaped notch is formed in the middle of the connecting bar 86, the photoelectric sensor 88 is arranged on the left side and the right side of the sliding plate 82, the photoelectric sensor 88 is used for sensing the loosening condition of an electric wire, and the first electric motor 89 is arranged on one side of the pre-tightening frame 8, and the first photoelectric sensor 88 is connected to the first controller 5.
When in use, the cable 18 is wound on the wire roll 4, one end of the cable 18 passes through the space between the wire roll I72 and the wire roll II 73, the wire roll I72 is driven to rotate by the second motor 71, the wire roll I72 and the wire roll II 73 are matched to drive the cable 18 to be wire out by friction force, the cable 18 is pulled out, the cable is convenient for workers to erect the cable, when the cable 18 is not needed, if the pulled out cable 18 is too much, the cable 18 is in a loose state, when the cable 18 is in a loose state, the slider II 85 and the connecting strip 86 are supported by the reset spring 87, the connecting strip 86 can block the photoelectric sensor 88, so that the photoelectric sensor 88 transmits a loose signal of the cable 18, the controller 89 receives the signal and then controls the first motor 5 to drive the gear I51 to rotate, the gear I51 rotates to drive the gear II 52 to rotate with the wire roll 4 to retract the pulled loose wire, when the cable 18 is retracted to a certain extent, one end of the cable 18 is clamped by the first 72 of the second 73 of the wire-outgoing part, the cable 18 becomes tight when being retracted, the tight cable 18 can press the receiving post 83, the second 85 of the sliding block and the connecting strip 86 to enable the receiving post 83, the connecting strip 86 to move downwards, the strip-shaped notch of the connecting strip 86 and the photoelectric sensor 88 are positioned at the same level after the connecting strip 86 moves downwards, the connecting strip 86 does not block the photoelectric sensor 88 any more, the photoelectric sensor 88 transmits a tight signal of the cable 18, the first motor 5 stops working, the cable 18 can be prevented from being pulled after being tensioned, the cable 18 is still pulled after being tensioned by being matched with the connecting strip 86, and the cable 18 is retracted through the first motor 5, so that the cable 18 is prevented from being loosened.
Example 2: on the basis of embodiment 1, as shown in fig. 8 and 9, the wire feeding device further comprises a connecting plate 9, an upper clamping plate 91, a first spring 92, ratchet gears 93, ratchet bars 94 and a lower clamping plate 95, wherein the connecting plate 9 is connected between the first sliding blocks 74 on two sides of the first sliding blocks 74, the upper clamping plate 91 is connected on the connecting plate 9 in a sliding mode, the upper clamping plate 91 can slide on the connecting plate 9, a plurality of first springs 92 are uniformly and alternately connected between the connecting plate 9 and the upper clamping plate 91, the first spring 92 is used for enabling the upper clamping plate 91 after moving to recover, the left part and the right part of one side, close to the wire outlet roller two 73, of the upper clamping plate 91 are respectively connected with the ratchet bars 94, the left side and the right side of the wire outlet roller two 73 are respectively connected with the ratchet gears 93, the wire outlet roller two 73 can rotate to drive the ratchet gears 93, the adjacent ratchet bars 94 are meshed with the ratchet gears 93, the ratchet gears 93 rotate to drive the ratchet bars 94 and the upper clamping plates 91 to move downwards, the lower clamping plates 95 are connected between the support plates 7 on the left side and the right side, and the lower clamping plates 95 are used for clamping wires 18.
When the cable 18 is retracted, the first wire roller 72 can be matched with the gravity of the second wire roller 73 to clamp the cable 18, but if the first motor 5 drives the first wire roller 4 to take up after the cable 18 is in tension, the cable 18 drives the second wire roller 73 to rotate in the opposite direction to the direction of wire taking out through friction, the rotation of the second wire roller 73 drives the ratchet gear 93 to rotate, the ratchet gear 93 rotates and drives the upper clamping plate 91 to move downwards through the ratchet bar 94, and the upper clamping plate 91 moves downwards to clamp the wire together with the lower clamping plate 95 to prevent the erected cable 18 from being pulled during wire taking-up.
As shown in fig. 5-10, the wire guiding device further comprises a rotating handle 10 and a second spring 101, the second spring 101 is connected between the first slider 74 and the support plate 7, the rotating handle 10 is connected to the upper portion of the support plate 7 through threads, the rotating handle 10 is in contact with the first slider 74, the rotating handle 10 can be driven to move downwards by screwing the rotating handle 10, the rotating handle 10 moves downwards to drive the first slider 74 and the second wire outlet roller 73 to move downwards, and therefore the distance between the first wire outlet roller 72 and the second wire outlet roller 73 is adjusted.
As shown in fig. 1 and 11, the device further comprises a servo motor 11, a worm wheel 111 and a worm 112, wherein the servo motor 11 is installed at the top of the base 1, the worm 112 is rotatably connected to the top of the base 1, an output shaft of the servo motor 11 is connected with the worm 112, the servo motor 11 is used for driving the worm 112 to rotate, the worm wheel 111 is connected to the support shaft 2, the worm wheel 111 is meshed with the worm 112, and the worm 112 rotates to drive the worm wheel 111 to rotate.
When the position of the cable 18 is required to be changed, the worm 112 can be driven to rotate by the servo motor 11, and the worm 112 rotates to drive the worm wheel 111, the support shaft 2, the support plate 3 and the wire roller 4 to rotate, so that the cable 18 can be more conveniently erected.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted equally without departing from the spirit and scope of the technical solution of the present invention.
Claims (8)
1. The utility model provides a power cable erects and uses pretension device, including base (1), back shaft (2), backup pad (3) and wire roller (4), base (1) top rotation type is connected with back shaft (2), be connected with backup pad (3) on back shaft (2), rotation type is connected with wire roller (4) on backup pad (3), wind cable (18) on wire roller (4), a serial communication port, still including expansion bracket (6), wire winding mechanism, wire mechanism and pretension mechanism, the other expansion bracket (6) that are equipped with of base (1), be provided with on backup pad (3) and wire roller (4) and be used for the wire winding mechanism with the cable (18) of taking off withdraws, be provided with on expansion bracket (6) and be used for the wire mechanism that pulls out cable (18) and be used for pretension when retrieving cable (18).
2. The pretensioning device for power cable erection according to claim 1, wherein the wire winding mechanism comprises a first motor (5), a first gear (51) and a second gear (52), the first motor (5) is mounted on the support plate (3), the first gear (51) is connected to an output shaft of the first motor (5) through a one-way joint, the second gear (52) is connected to one side of the wire roller (4) close to the first motor (5), and the first gear (51) is meshed with the second gear (52).
3. The pretensioning device for power cable erection according to claim 1, wherein the wire outlet mechanism comprises a support plate (7), a second motor (71), a first wire outlet roller (72), a second wire outlet roller (73), a first slider (74) and a sliding column (75), the support plate (7) is connected to the left side and the right side of the top of the telescopic frame (6), the first wire outlet roller (72) is rotatably connected between the lower portions of the two support plates (7), the sliding columns (75) are connected to the upper portions of the two support plates (7), the first slider (74) is slidably connected to the sliding column (75), the second wire outlet roller (73) is rotatably connected between the first slider (74) and the first slider (74) on the left side and the right side, the second motor (71) is mounted on the top of the telescopic frame (6), and an output shaft of the second motor (71) is connected to the first wire outlet roller (72).
4. The pretensioning device for power cable erection according to claim 3, wherein the pretensioning mechanism comprises a pretensioning frame (8), a stud (81), a sliding plate (82), a receiving column (83), a connecting column (84), a second sliding block (85), a connecting bar (86), a return spring (87), a photoelectric sensor (88) and a controller (89), the front part of the retractable frame (6) is connected with the pretensioning frame (8), the lower part of the pretensioning frame (8) is connected with the stud (81) through threaded connection, sliding plates (82) are connected in the pretensioning frame (8) in a sliding manner, the left part and the right part of the sliding plates (82) are connected with the connecting column (84) in a sliding manner, a second sliding block (85) is connected between the sliding plates (82) on the left side and the second sliding block (85), a return spring (87) is connected between the second sliding blocks (85) on the left side and the right side, the receiving column (83) is connected in a rotating manner, the height of the receiving column (83) is slightly higher than that of a first wire outlet roller (72), the two second sliding blocks (85) are connected with the connecting bar (86) on one side far away from each other, the left side and the sliding plates (86) are connected with the middle part of the connecting bar (86) on the left side and the right side and the sliding plates (82) are connected with the two long strips (82), a controller (89) is arranged on one side of the pre-tightening frame (8), and the controller (89), the photoelectric sensor (88) and the first motor (5) are electrically connected.
5. The pretensioning apparatus for power cable installation according to claim 1, wherein the telescopic frame (6) is capable of being lifted and lowered, and the telescopic frame (6) is used for installing cables (18) at different heights.
6. The pretensioning device for power cable erection according to claim 3, further comprising a connecting plate (9), an upper clamping plate (91), a first spring (92), ratchet gears (93), ratchet bars (94) and a lower clamping plate (95), wherein the connecting plate (9) is connected between the first sliding blocks (74) on two sides of the first sliding blocks (74), the upper clamping plate (91) is connected onto the connecting plate (9) in a sliding manner, a plurality of first springs (92) are uniformly and alternately connected between the connecting plate (9) and the upper clamping plate (91), ratchet bars (94) are connected onto the left part and the right part of one side, close to the second wire outlet roller (73), of the upper clamping plate (91), ratchet gears (93) are connected onto the left side and the right side of the second wire outlet roller, the adjacent ratchet bars (94) are meshed with the ratchet gears (93), the lower clamping plates (95) are connected between the support plates (7) on the left side and the right side, and the upper clamping plate (91) and the lower clamping plate (95) are used for clamping cables (18).
7. The pretensioning device for power cable erection according to claim 3, further comprising a rotating handle (10) and a second spring (101), wherein the second spring (101) is connected between the first slider (74) and the support plate (7), the rotating handle (10) is connected to the upper portion of the support plate (7) through threads, and the rotating handle (10) is in contact with the first slider (74).
8. The pretensioning device for power cable erection according to claim 1, further comprising a servo motor (11), a worm wheel (111) and a worm (112), wherein the servo motor (11) is mounted on the top of the base (1), the worm (112) is rotatably connected to the top of the base (1), an output shaft of the servo motor (11) is connected to the worm (112), the worm wheel (111) is connected to the support shaft (2), and the worm wheel (111) is meshed with the worm (112).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310719448.8A CN116620945A (en) | 2023-06-16 | 2023-06-16 | Pretensioning device for power cable erection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310719448.8A CN116620945A (en) | 2023-06-16 | 2023-06-16 | Pretensioning device for power cable erection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116620945A true CN116620945A (en) | 2023-08-22 |
Family
ID=87641836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310719448.8A Withdrawn CN116620945A (en) | 2023-06-16 | 2023-06-16 | Pretensioning device for power cable erection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116620945A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117543432A (en) * | 2024-01-09 | 2024-02-09 | 威海双城电气有限公司 | Automatic wire-erecting tensioning device for power pole wires |
-
2023
- 2023-06-16 CN CN202310719448.8A patent/CN116620945A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117543432A (en) * | 2024-01-09 | 2024-02-09 | 威海双城电气有限公司 | Automatic wire-erecting tensioning device for power pole wires |
| CN117543432B (en) * | 2024-01-09 | 2024-03-29 | 威海双城电气有限公司 | Automatic wire-erecting tensioning device for power pole wires |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20230822 |
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| WW01 | Invention patent application withdrawn after publication |