CN108963869B - Clamp for assisting cable erection and wire drawing device using same - Google Patents
Clamp for assisting cable erection and wire drawing device using same Download PDFInfo
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- CN108963869B CN108963869B CN201810962643.2A CN201810962643A CN108963869B CN 108963869 B CN108963869 B CN 108963869B CN 201810962643 A CN201810962643 A CN 201810962643A CN 108963869 B CN108963869 B CN 108963869B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
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Abstract
The invention provides a clamp for assisting cable erection, which comprises a clamp base, wherein two cable supporting plates are sequentially arranged at the center of the upper surface of the clamp base, two sides of each cable supporting plate are respectively provided with a group of sliding rail assemblies, the sliding rail assemblies are fixed on the clamp base, each group of sliding rail assemblies is provided with a slidable driving plate, each driving plate is sequentially provided with three driving heads, the outer ends of the two driving plates are connected through a connecting transverse plate, a rope ring for installing a steel wire rope is arranged on the connecting transverse plate, the clamp base is also provided with a detachable clamping assembly, the clamping assembly comprises a movable arm provided with a transverse compression roller, and the driving heads drive the movable arm to rotate so that the transverse compression roller is matched with the cable supporting plates to clamp cables. The cable erecting device is simple in structure, can assist in quickly and labor-saving cable erection, reduces labor intensity of workers, improves operation efficiency, and is particularly suitable for being used in places remote in regions where universal mechanical equipment is difficult to adopt.
Description
Technical Field
The invention mainly relates to the technical field related to power cable erection, in particular to a clamp for assisting cable erection and a wire drawing device using the clamp.
Background
In the process of laying and maintaining the power cable, the cable needs to be pulled and strung. During the stringing process, the cables on the ground are required to be strung to the high-altitude cross arms of the telegraph poles. In a traditional erection mode, manual operation is generally adopted, and the cable is directly taken to the high altitude in the pole climbing process to perform cable tightness adjustment or is erected to the high altitude on the ground through equipment such as a crane. When the traditional manual erection is carried out, the weight of a common high-voltage cable is large, the required labor intensity is large, the danger degree in the operation process is high, and the cable is easy to slide in a clamp in the cable tensioning process; although the auxiliary overhead line of the large-scale equipment is labor-saving, the consumed cost is too high, and the auxiliary overhead line is limited particularly in remote areas where some equipment cannot enter or in temporary cable maintenance.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the clamp for assisting the erection of the cable and the wire drawing device using the clamp by combining the prior art and starting from practical application.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a clamp for assisting cable erection comprises a clamp base, wherein two cable supporting plates are sequentially arranged at the center of the upper surface of the clamp base, a group of sliding rail assemblies are respectively arranged on two sides of each cable supporting plate, the sliding rail assemblies are fixed on the clamp base, a slidable driving plate is arranged on each group of sliding rail assemblies, three driving heads are sequentially arranged on each driving plate, the outer ends of the two driving plates are connected through a connecting transverse plate, a rope ring for installing a steel wire rope is arranged on the connecting transverse plate, a detachable clamping assembly is further arranged on the clamp base and comprises two frame bodies and three groups of pressing assemblies, the two frame bodies are respectively arranged on the outer sides of the two groups of sliding rail assemblies, each frame body is of a gantry frame structure formed by a frame body transverse beam and two frame body vertical beams, and the frame body vertical beams are detachably connected with the clamp base, the three groups of pressing assemblies are arranged above the sliding rail assembly and are positioned between the two frame body cross beams, each group of pressing assemblies comprises two movable arms, the middle parts of the two movable arms are hinged with the frame body cross beams on the corresponding sides through rotating shafts, the top ends of the two movable arms are connected through transverse pressing rollers, the bottom ends of the two movable arms can automatically move, the bottom ends of the movable arms of the three groups of pressing assemblies are matched with corresponding driving heads, in the three groups of pressing assemblies, the transverse pressing rollers arranged at the top ends of the pressing assemblies on the two sides are respectively matched with corresponding cable supporting plates, and the height of the transverse pressing roller arranged at the top end of the pressing assembly in the middle part is lower than that of the transverse pressing rollers; when the clamping assembly is disassembled, a cable to be erected can be placed above the cable supporting plate, the clamping assembly is installed, the cable is located between the cable supporting plate and the transverse compression roller, when the steel wire rope hung on the rope ring outwards pulls the driving plate, the driving plate slides on the sliding rail assembly, so that the driving head respectively pushes against the corresponding movable lower ends, the movable arm rotates by taking the rotating shaft as a fulcrum, and when the movable arm rotates, the transverse compression roller at the top of the movable arm can compress the cable.
The clamp further comprises an auxiliary pressing assembly, the auxiliary pressing assembly comprises a top plate arranged below the connecting transverse plate, a threaded rod matched with the threaded rod is installed on the side face of the clamp base, a process nut used for enabling the threaded rod to rotate is arranged on the threaded rod, a top block is arranged at the outer end of the threaded rod, the top block is located on the inner side of the top plate, and when the threaded rod is rotated to enable the threaded rod to move outwards, the threaded rod pushes the top plate to move outwards through the top block, so that a cable is pressed after the drive plate moves outwards.
The upper surface of the clamp base is provided with an inserting groove, one side of the inserting groove is provided with a locking screw, and the frame body vertical beam is inserted into the inserting groove and then locked through the locking screw to realize detachable connection between the clamping assembly and the clamp base.
The clamp base is provided with a plurality of counterweight hanging rings, and when the cable is lifted and erected by adding counterweights on the counterweight hanging rings, enough clamping force can be provided for the cable between the transverse compression roller and the cable supporting plate.
The bearing is arranged at the joint of the rotating shaft and the frame body beam, the outer end of the rotating shaft penetrates through the frame body beam and is provided with threads, a butterfly nut is installed at the threads, and the butterfly nut is screwed to enable the butterfly nut to be tightly propped against the side face of the frame body beam, so that the inclination angle of the movable arm is temporarily fixed.
The side that the digging arm bottom is used for with the driving head complex is the inclined plane, be used for on the driving head with digging arm complex top be the arc.
The steel wire rope winding machine is characterized by comprising a fixed base body capable of being fixed on a cross arm, wherein two shaft supporting seats are arranged on the fixed base body, a rotatable main motion shaft is arranged on each shaft supporting seat, a rope wheel capable of rotating along with the main motion shaft and used for winding a steel wire rope is arranged on each main motion shaft, a rotatable fixed pulley is arranged on one side of each rope wheel, and a hand wheel used for rotating the main motion shaft is arranged at the end part of each main motion shaft.
The fixed pedestal one side is equipped with a horizontal support plate, be T shape between horizontal support plate and the fixed pedestal and arrange be equipped with the horizontal track in the horizontal support plate, be equipped with slidable centre gripping pedestal on the horizontal track, the horizontal support plate both ends are equipped with and prevent that the centre gripping pedestal from deviating from the orbital limiting plate of horizontal is equipped with fixed chuck and activity chuck on the centre gripping pedestal, activity chuck bottom sets up vertical track, and this vertical track can make activity chuck is to being close to or keeping away from fixed chuck direction motion, and activity chuck one side is equipped with the tight screw in top that promotes its motion.
The main moving shaft is provided with a ratchet wheel, the fixed base body is provided with a pawl for locking the ratchet wheel in a single direction, and the pawl and the ratchet wheel are matched to realize the single-direction locking of the main moving shaft.
The bottom surface of the fixed seat body is provided with an open slot used for being clamped on the cross arm, a plurality of controllable magnets are arranged in the open slot and used for being adsorbed on the cross arm, and a magnetic switch of each controllable magnet is arranged on the upper surface of the fixed seat body.
The invention has the beneficial effects that:
1. the special clamp design is not limited to the diameter of the cable, and the cable can be reliably clamped, so that the cable is pulled by the steel wire rope to drive the cable to move, and the overhead erection operation of the cable is completed; the clamp adopts a lever type clamping principle, and in the lift-off process, the cable can only be pressed more and more tightly without causing the slippage of the cable through the tensioning of the steel wire rope, so that the use is very convenient.
2. The clamp is simple in overall structure design and convenient to carry and use, is not only suitable for erecting cables, but also can be applied to other places needing to clamp and drive the cables to move, is convenient and quick to disassemble and assemble during use, and can quickly complete the clamping of the cables and the disassembling of the clamp.
3. The auxiliary pressing assembly is arranged, so that the clamping force on the cable can be further improved, and the cable is difficult to slide and fall off even for thick cables.
4. According to the invention, the counter weight is added, so that the gravity of the clamp base is increased through the counter weight in the cable lifting process, the tension of the drive plate is relatively increased, the reliable clamping of the cable is ensured, and the counter weight can be selectively increased according to the actual cable type and the use place.
5. The cable can be quickly erected by matching the wire drawing device with the clamp, and the fixed pulley arranged on the wire drawing device enables a bottom worker to lift the cable off through the steel wire rope and the clamp so as to solve the problem of inconvenient operation of the high-altitude worker; the clamping structure that cooperation one side set up can press from both sides tightly the cable temporarily, consequently can carry out convenient regulation to the tensioning degree of cable.
6. The invention can quickly and stably fix the wire drawing device on the cross arm through the arranged controllable magnetic structure, thereby facilitating the installation and the disassembly of the wire drawing device by high-altitude operators.
Drawings
FIG. 1 is a schematic front view of a clip structure according to the present invention;
FIG. 2 is a schematic side view of a clip structure according to the present invention;
FIG. 3 is a schematic top view of a clamp arrangement according to the present invention;
FIG. 4 is a first schematic view of a wire pulling apparatus according to the present invention;
FIG. 5 is a second schematic view of the wire pulling apparatus of the present invention.
Reference numerals shown in the drawings: 1. a base; 2. a slide rail assembly; 3. a drive plate; 4. a drive head; 5. locking the screw; 6. a cable support plate; 7. a frame body vertical beam; 8. a transverse press roll; 9. a cable; 10. a movable arm; 11. a rotating shaft; 12. a frame cross member; 13. a rope loop; 14. a top plate; 15. a top block; 16. a threaded rod; 17. a process nut; 18. a butterfly nut; 19. a slot; 20. a counterweight suspension loop; 21. connecting the transverse plates; 22. fixing the base; 23. a hand wheel; 24. a ratchet wheel; 25. a primary motion axis; 26. a sheave; 27. a fixed pulley; 28. a shaft support seat; 29. a cross arm; 30. a horizontal support plate; 31. a horizontal rail; 32. a limiting plate; 33. fixing the chuck; 34. a clamping seat body; 35. a movable chuck; 36. a longitudinal rail; 37. tightly pushing the screw; 38. a fixing plate; 39. pushing the plate; 40. a controllable magnet; 41. a magnetic switch.
Detailed Description
The invention is further described with reference to the accompanying drawings and specific embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.
Fig. 1 to 3 are schematic views of the structure of the clamp of the present invention. Mainly comprises a clamp base 1, two cable supporting plates 6 are sequentially arranged at the center of the upper surface of the clamp base 1, a group of sliding rail assemblies 2 are respectively arranged at two sides of each cable supporting plate 6, the sliding rail assemblies 2 are fixed on the clamp base 1, a slidable driving plate 3 is arranged on each group of sliding rail assemblies 2, three driving heads 4 are sequentially arranged on each driving plate 3, the outer ends of the two driving plates 3 are connected through a connecting transverse plate 21, a rope ring 13 for installing a steel wire rope is arranged on the connecting transverse plate 21, a detachable clamping assembly is also arranged on the clamp base 1 and comprises two frame bodies and three groups of pressing assemblies, the two frame bodies are respectively arranged at the outer sides of the two groups of sliding rail assemblies 2, the frame bodies are of a gantry structure formed by a frame body cross beam 12 and two frame body vertical beams 7, wherein the frame body vertical beams 7 are detachably connected with the, three groups of pressing assemblies are arranged above the sliding rail assembly 2 and are positioned between two frame body beams 12, each group of pressing assemblies comprises two movable arms 10, the middle parts of the two movable arms 10 are hinged with the frame body beams 12 on the corresponding sides through rotating shafts 11, the top ends of the two movable arms 10 are connected through transverse pressing rollers 8, the bottom ends of the two movable arms 10 can automatically move, the bottom ends of the movable arms 10 of the three groups of pressing assemblies are matched with corresponding driving heads 4, in the three groups of pressing assemblies, the transverse pressing rollers 8 arranged at the top ends of the pressing assemblies on the two sides are respectively matched with corresponding cable supporting plates 6, and the height of the transverse pressing roller 8 arranged at the top end of the pressing assembly in the middle part is lower than that of the transverse pressing rollers 8 on the; after the centre gripping subassembly is pulled down, can place the cable 9 of waiting to erect in 6 tops of cable backup pad, with the centre gripping unit mount back, cable 9 is located between cable backup pad 6 and the horizontal compression roller 8, when hanging the outside pulling drive plate 3 of wire rope on becket 13, drive plate 3 slides on slide rail assembly 2, thereby make driving head 4 push up the movable arm 10 lower extreme that corresponds respectively, make movable arm 10 use axis of rotation 11 as fulcrum rotary motion, when movable arm 10 rotated, the horizontal compression roller 8 at its top can compress tightly cable 9.
In the structure of the clamp of the invention, the clamping of the cable 9 is mainly completed by three transverse compression rollers 8 positioned above and two cable support plates 6 positioned below, wherein the height of the transverse compression roller 8 in the middle is lower than that of the transverse compression rollers at two sides, so that a certain radian can be formed below the cable 9 corresponding to the transverse compression roller 8 in the middle, and the cable 9 is more difficult to be separated from between the cable support plates 6 and the transverse compression rollers 8. Because the cable 9 needs to be placed inside the clamp when the clamp is used and the clamp needs to be detached after the clamp is used, the clamping assembly and the clamp base 1 are designed into the structure capable of being detached quickly, after the clamping assembly is detached, the clamp base 1 is directly placed below the cable 9, and then the clamping assembly is installed on the clamp base 1. Like this, when drive plate 3 moved to the right side shown in fig. 1, three drive head 4 promoted movable arm 10 bottom respectively right and made movable arm 10 rotate to make horizontal compression roller 8 compress tightly cable 9 on cable backup pad 6, horizontal compression roller 8 can adopt the rubber roll, increases frictional force. The structure is designed so that the clamping of the cable 9 is tighter as the force of the outward movement of the driving plate 3 is larger. Therefore, when the clamp is used for overhead cable operation, the clamp is fixed at a proper position of a cable 9 on the ground, the steel wire rope is hung on the rope ring 13, and when the steel wire rope is pulled, the clamp drives the cable 9 to move upwards along with the steel wire rope, the upward pulling force of the driving plate 3 is provided at the rope ring 13, and the downward force is provided by the gravity of the clamp base 1, so that the cable 9 can be firmly clamped, the problem of falling off cannot occur in the lift-off process, and the clamp is very convenient to use.
Meanwhile, in order to ensure the clamping effect of the clamp and facilitate the operation, the clamp of the invention also comprises an auxiliary pressing component, the auxiliary pressing component comprises a top plate 14 arranged below the connecting transverse plate 21, a threaded rod 16 in threaded fit with the side surface of the clamp base 1 is arranged on the side surface of the clamp base 1, a process nut 17 used for enabling the threaded rod 16 to rotate is arranged on the threaded rod 16, an ejector block 15 is arranged at the outer end part of the threaded rod 16, the ejector block 15 is positioned at the inner side of the top plate 14, when the threaded rod 16 is rotated to enable the threaded rod 16 to move outwards, the threaded rod 16 pushes the top plate 14 to move outwards through the ejector block 15, and then the cable 9 is pressed. When ground carries out the installation of clamp, the back is installed to the clamp, and the accessible rotates technology nut 17, and the tight roof 14 in kicking block 15 top because threaded rod 16 and clamp base 1 between be screw-thread fit, consequently can not become flexible after the tight back in top, and when pulling the motion of clamp through wire rope, can further improve the stability of clamp clamping-force, and both cooperate the use, and convenient operation further guarantees effectual clamping-force.
As shown in fig. 1, 2 and 3, the upper surface of the clamp base 1 is provided with an insertion groove 19, one side of the insertion groove 19 is provided with a locking screw 5, and the vertical beam 7 of the frame body is locked by the locking screw 5 after being inserted into the insertion groove 19 to realize the detachable connection between the clamping assembly and the clamp base 1. The connecting mode is simple and reliable, the dismounting is convenient, and the quick mounting and dismounting of the clamp can be completed.
As shown in fig. 3, a plurality of counterweight hanging rings 20 are arranged on the clamp base 1, and when the cable 9 is lifted and erected by adding counterweights on the counterweight hanging rings 20, sufficient clamping force can be provided for the cable between the transverse pressing roller 8 and the cable supporting plate 6. Have to increase the balancing weight and be equivalent to the gravity that increases clamp base 1, consequently in the built on stilts operation of cable, be equivalent to the diversion and increase the clamping-force to the cable, the balancing weight can increase the use according to actual conditions, if erect that the surface is comparatively smooth easy slippage or diameter can use when the heavier cable of the thick weight to further increase clamping-force.
Because the clamping assembly and the clamp base 1 are detachably connected, when the clamp is installed, the swing angle of the movable arm 10 needs to be ensured so that the driving head 4 can act on the bottom of the movable arm 10 after the clamp is installed, a bearing is arranged at the joint of the rotating shaft 11 and the frame body cross beam 12, the outer end of the rotating shaft 11 penetrates through the frame body cross beam 12 and is provided with threads, a butterfly nut 18 is arranged at the threads, and the movable arm 10 can be temporarily fixed when the butterfly nut 18 is screwed to be tightly pressed against the side surface of the frame body cross beam 12. The angle of the movable arm 10 is adjusted to temporarily fix the arm, and then the clamping assembly can be installed, and the butterfly nut 18 is loosened after installation.
As shown in fig. 4 and 5, the wire pulling device of the present invention is used in conjunction with a clamp, and is mainly used for lifting a cable by controlling a steel wire rope to drive the clamp to lift the cable. The wire drawing device comprises a fixed base body 22 which can be fixed on a cross arm 29, two shaft supporting seats 28 are arranged on the fixed base body 22, a rotatable main moving shaft 25 is mounted on each shaft supporting seat 28, a rope wheel 26 which can rotate along with the main moving shaft 25 and is used for winding a steel wire rope is mounted on each main moving shaft 25, a rotatable fixed pulley 27 is arranged on one side of each rope wheel 26, and a hand wheel 23 used for rotating the main moving shaft 25 is arranged at the end part of each main moving shaft 25. When the device is used, an operator is required to be installed on a cross arm of a telegraph pole, and due to the arrangement of the fixed pulley 27, the steel wire rope can be supported by the fixed pulley 27, so that ground personnel can drive the clamp and the cable 9 to lift off by pulling the steel wire rope, and the device is used when the operation of high-altitude operators is inconvenient. The operator can wind the steel wire rope on the rope wheel 26, and the hand wheel 23 on one side is rotated to wind the steel wire rope to lift the clamp and the cable 9 off, so that the operation is convenient, and the steel wire rope can be selectively used according to actual conditions. As shown in fig. 5, the bottom of the fixed base 22 is provided with a controllable magnet 40, which can be quickly and firmly fixed to the cross arm 29 by a magnetic switch 41, so that the operation is very convenient. The ratchet wheel 24 is arranged on the main moving shaft 25, the pawl for locking the ratchet wheel 24 in one direction is arranged on the fixed base 22, and the pawl and the ratchet wheel 24 are matched to realize the one-way locking of the main moving shaft 25 and prevent the rope wheel 26 from reversing.
As shown in fig. 4, in the present invention, a horizontal support plate 30 is disposed on one side of a fixed seat 22, the horizontal support plate 30 and the fixed seat 22 are arranged in a T shape, a horizontal rail 31 is disposed on the horizontal support plate 30, a slidable clamp seat 34 is disposed on the horizontal rail 31, a limit plate 32 for preventing the clamp seat 34 from coming off the horizontal rail 31 is disposed at two ends of the horizontal support plate 30, a fixed chuck 33 and a movable chuck 35 are disposed on the clamp seat 34, a longitudinal rail 36 is disposed at the bottom of the movable chuck 35, the longitudinal rail 36 can enable the movable chuck 35 to move toward or away from the fixed chuck 33, and a tightening screw 37 for pushing the movable chuck 35 is disposed at one side thereof. The clamping base 34 that one side set up can carry out interim centre gripping to cable 9, consequently need adjust the elasticity power of cable after the cable rises to the air, needs to change the position of clamp on cable 9 in the adjustment process, consequently need fix cable 9 temporarily through clamping base 34 when loosening the clamp. The cable 9 is temporarily clamped by the movable clamping head 35 and the fixed clamping head 33 on the clamping seat body 34, and when the cable 9 is pulled by the steel wire rope to adjust the tightness force through the arranged horizontal rail 31, the clamping seat body 34 follows up on the horizontal rail 31 to use the position of the cable 9, and the limiting plates 31 arranged at the two ends can prevent the clamping seat body 34 from being separated. When the clamp needs to be loosened, the clamping seat body 34 can be adjusted to the position of the most end part, and the clamp can be loosened after the cable 9 is stably clamped. When the length of the horizontal rail 31 does not satisfy the required adjustment length of the cable 9, the movable chuck 35 can be loosened to readjust the position of the chuck body 34 on the horizontal rail 31. Through the cooperation of the structure, the clamp and the rope wheel, the tightness degree adjustment of the cable can be completed, and the operation is convenient.
Claims (10)
1. A clamp for assisting cable erection is characterized by comprising a clamp base (1), wherein two cable supporting plates (6) are sequentially arranged at the center of the upper surface of the clamp base (1), a group of sliding rail assemblies (2) are respectively arranged on two sides of each cable supporting plate (6), the sliding rail assemblies (2) are fixed on the clamp base (1), a slidable driving plate (3) is installed on each group of sliding rail assemblies (2), three driving heads (4) are sequentially arranged on each driving plate (3), the outer ends of the two driving plates (3) are connected through a connecting transverse plate (21), a rope ring (13) for installing a steel wire rope is arranged on the connecting transverse plate (21), a detachable clamping assembly is further installed on the clamp base (1) and comprises two support bodies and three groups of pressing assemblies, the two support bodies are respectively arranged on the outer sides of the two groups of sliding rail assemblies (2), the frame body is of a gantry frame type structure formed by one frame body beam (12) and two frame body vertical beams (7), wherein the frame body vertical beams (7) are detachably connected with the clamp base (1), three groups of pressing components are arranged above the slide rail component (2) and positioned between the two frame body beams (12), each group of pressing components comprises two movable arms (10), the middle parts of the two movable arms (10) are hinged with the frame body beams (12) on the corresponding sides through rotating shafts (11), the top ends of the two movable arms (10) are connected through transverse compression rollers (8), the bottom ends of the two movable arms (10) can automatically move, the bottom ends of the movable arms (10) of the three groups of pressing components are matched with corresponding driving heads (4), and in the three groups of pressing components, the transverse compression rollers (8) arranged at the top ends of the pressing components on the two sides are respectively matched with corresponding cable supporting plates (6), the transverse press roll (8) arranged at the top end of the pressing component positioned in the middle is lower than the transverse press rolls (8) on the two sides; when the centre gripping subassembly is pulled down the back, can place cable (9) that wait to erect cable backup pad (6) top, will behind the centre gripping subassembly installation, cable (9) are located between cable backup pad (6) and horizontal compression roller (8), when hanging wire rope on becket (13) outwards stimulates during drive plate (3), drive plate (3) slide on slide rail set spare (2), thereby make drive head (4) push up tight movable arm (10) lower extreme that corresponds respectively, make movable arm (10) use axis of rotation (11) as fulcrum rotary motion, when movable arm (10) rotated, horizontal compression roller (8) at its top can with cable (9) compress tightly.
2. The clamp for assisting cable erection according to claim 1, further comprising an auxiliary pressing assembly, wherein the auxiliary pressing assembly comprises a top plate (14) arranged below the connecting transverse plate (21), a threaded rod (16) in threaded fit with the clamp base (1) is installed on the side surface of the clamp base (1), a process nut (17) for rotating the threaded rod (16) is arranged on the threaded rod (16), an ejector block (15) is arranged at the outer end of the threaded rod (16), the ejector block (15) is located on the inner side of the top plate (14), and when the threaded rod (16) is rotated to move outwards, the threaded rod (16) pushes the top plate (14) to move outwards through the ejector block (15), so that the cable (9) is pressed after the driving plate (3) moves outwards.
3. The clamp for assisting cable erection according to claim 1, wherein an insertion slot (19) is formed in the upper surface of the clamp base (1), a locking screw (5) is arranged on one side of the insertion slot (19), and the frame body vertical beam (7) is locked by the locking screw (5) after being inserted into the insertion slot (19) so as to realize detachable connection between the clamping assembly and the clamp base (1).
4. The clamp for assisting cable erection according to claim 1, wherein a plurality of counterweight hanging rings (20) are arranged on the clamp base (1), and when the cable (9) is lifted and erected by adding counterweights on the counterweight hanging rings (20), sufficient clamping force can be provided for the cable between the transverse pressing roller (8) and the cable supporting plate (6).
5. A cable-erecting aid clamp according to claim 1, wherein a bearing is provided at the joint of said rotating shaft (11) and said frame cross member (12), the outer end of said rotating shaft (11) is threaded through said frame cross member (12), and a wing nut (18) is mounted on the threaded portion, and said movable arm (10) is temporarily fixed by tightening said wing nut (18) against the side of said frame cross member (12).
6. A clamp for assisting cable erection according to claim 1, wherein the side of the bottom end of the movable arm (10) for engaging with the driving head (4) is inclined, and the top of the driving head (4) for engaging with the movable arm (10) is curved.
7. A wire drawing device using the clamp according to any one of claims 1 to 6, comprising a fixed base (22) capable of being fixed on a cross arm (29), wherein two shaft supporting seats (28) are arranged on the fixed base (22), a rotatable main moving shaft (25) is mounted on the shaft supporting seats (28), a rope pulley (26) capable of rotating along with the main moving shaft (25) and used for winding a steel wire rope is mounted on the main moving shaft (25), a rotatable fixed pulley (27) is arranged on one side of the rope pulley (26), and a hand wheel (23) used for rotating the main moving shaft (25) is arranged at the end part of the main moving shaft (25).
8. The thread drawing device as claimed in claim 7, wherein a horizontal support plate (30) is provided on one side of said fixed seat (22), the horizontal supporting plate (30) and the fixed seat body (22) are arranged in a T shape, a horizontal rail (31) is arranged on the horizontal support plate (30), a clamping base body (34) capable of sliding is arranged on the horizontal rail (31), limiting plates (32) for preventing the clamping base body (34) from falling off the horizontal rail (31) are arranged at two ends of the horizontal support plate (30), a fixed chuck (33) and a movable chuck (35) are arranged on the clamping seat body (34), a longitudinal rail (36) is arranged at the bottom of the movable chuck (35), the longitudinal rail (36) can enable the movable chuck (35) to move towards the direction close to or away from the fixed chuck (33), and one side of the movable chuck (35) is provided with a jacking screw rod (37) for pushing the movable chuck to move.
9. A cable pulling device according to claim 7, wherein a ratchet wheel (24) is provided on the main movement shaft (25), and a pawl for unidirectionally locking the ratchet wheel (24) is provided on the stationary seat (22), the pawl and the ratchet wheel (24) cooperating to effect unidirectional locking of the main movement shaft (25).
10. The wire drawing device according to claim 7, wherein the bottom surface of the fixed base body (22) is provided with an open slot for being clamped on the cross arm (29), a plurality of controllable magnets (40) for being adsorbed on the cross arm (29) are installed in the open slot, and a magnetic switch (41) of the controllable magnets (40) is arranged on the upper surface of the fixed base body (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810962643.2A CN108963869B (en) | 2018-08-22 | 2018-08-22 | Clamp for assisting cable erection and wire drawing device using same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810962643.2A CN108963869B (en) | 2018-08-22 | 2018-08-22 | Clamp for assisting cable erection and wire drawing device using same |
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| Publication Number | Publication Date |
|---|---|
| CN108963869A CN108963869A (en) | 2018-12-07 |
| CN108963869B true CN108963869B (en) | 2020-02-14 |
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| CN201810962643.2A Active CN108963869B (en) | 2018-08-22 | 2018-08-22 | Clamp for assisting cable erection and wire drawing device using same |
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| CN111413352A (en) * | 2020-05-25 | 2020-07-14 | 广西我的科技有限公司 | Artificial board surface defect detection device and method |
| CN113437708B (en) * | 2021-06-24 | 2022-02-11 | 江苏东宜电气有限公司 | Power cable intermediate connecting piece |
| CN113937650B (en) * | 2021-09-17 | 2023-02-28 | 安徽电缆股份有限公司 | A fixed end part for assisting installation of cable rate of tension |
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| JPH0678424A (en) * | 1991-03-07 | 1994-03-18 | Kanden Kogyo Kk | Fixation automatic release type cable supporter and cable carrying and extending work method using it |
| CN1367559A (en) * | 2002-02-22 | 2002-09-04 | 陈宏� | Method for paying-off by utilizing overhead line and equipment for implementing said method |
| JP3502517B2 (en) * | 1996-11-26 | 2004-03-02 | 西日本電線株式会社 | Electric wire temporary support for manipulator |
| CN203428624U (en) * | 2013-07-25 | 2014-02-12 | 国家电网公司 | Cable unwinding-winding device |
| CN103944119A (en) * | 2014-04-25 | 2014-07-23 | 国家电网公司 | Cable head refacer |
| CN204118596U (en) * | 2014-09-23 | 2015-01-21 | 国家电网公司 | Portable type tightener |
-
2018
- 2018-08-22 CN CN201810962643.2A patent/CN108963869B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0678424A (en) * | 1991-03-07 | 1994-03-18 | Kanden Kogyo Kk | Fixation automatic release type cable supporter and cable carrying and extending work method using it |
| JP3502517B2 (en) * | 1996-11-26 | 2004-03-02 | 西日本電線株式会社 | Electric wire temporary support for manipulator |
| CN1367559A (en) * | 2002-02-22 | 2002-09-04 | 陈宏� | Method for paying-off by utilizing overhead line and equipment for implementing said method |
| CN203428624U (en) * | 2013-07-25 | 2014-02-12 | 国家电网公司 | Cable unwinding-winding device |
| CN103944119A (en) * | 2014-04-25 | 2014-07-23 | 国家电网公司 | Cable head refacer |
| CN204118596U (en) * | 2014-09-23 | 2015-01-21 | 国家电网公司 | Portable type tightener |
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| Publication number | Publication date |
|---|---|
| CN108963869A (en) | 2018-12-07 |
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