CN112061884B - Pulley mechanism for paying off power cable for power construction - Google Patents
Pulley mechanism for paying off power cable for power construction Download PDFInfo
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- CN112061884B CN112061884B CN202010960302.9A CN202010960302A CN112061884B CN 112061884 B CN112061884 B CN 112061884B CN 202010960302 A CN202010960302 A CN 202010960302A CN 112061884 B CN112061884 B CN 112061884B
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- fixedly connected
- side wall
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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
- B65H59/02—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by regulating delivery of material from supply package
- B65H59/04—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by regulating delivery of material from supply package by devices acting on package or support
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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
- B65H49/00—Unwinding or paying-out filamentary material; Supporting, storing or transporting packages from which filamentary material is to be withdrawn or paid-out
- B65H49/18—Methods or apparatus in which packages rotate
- B65H49/20—Package-supporting devices
- B65H49/30—Swifts or skein holders
-
- 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
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Abstract
The invention discloses a pulley mechanism for paying off a power cable for power construction, which comprises two symmetrically arranged frame bodies, wherein a roller is rotatably connected between the two frame bodies, one end of the roller is fixedly connected with a connecting rod, and the connecting rod penetrates through the corresponding frame body and is fixedly connected with a U-shaped rod. According to the invention, through the mutual matching among the roller, the U-shaped rod, the mounting block, the air pushing mechanism, the air guide pipe, the movable block and the extrusion mechanism, the U-shaped rod is utilized to drive the air pushing mechanism to move so as to change the air flow in the air guide pipe, the first piston block corresponding to the low rotating speed of the U-shaped rod does not move or moves slightly, the first piston block moves in a large range when the rotating speed of the U-shaped rod is higher than that of the U-shaped rod, so that the movable block moves downwards, at the moment, the rotating rod is continuously contacted with the rubber pad, the friction is increased so as to reduce the rotating speed of the rotating rod, further, the problems of skin tearing and excessive sliding-out of cables caused by the overlarge rotating speed of the roller are avoided, and the subsequent construction is facilitated.
Description
Technical Field
The invention relates to the technical field of power construction, in particular to a pulley mechanism for paying off a power cable for power construction.
Background
Electric power construction is electric power engineering construction, and in electric power construction process, often can need the wiring, like the construction etc. of laying of various wire, cable, steel strand wires, wherein at the wiring in-process, often can be with the help of pulley mechanism auxiliary wiring, also can reduce the frictional force of various cable laying in-process when laborsaving, the problem that reduces the broken skin of cable and damage appears.
Wherein, current pulley mainly comprises support and cylinder, and at the wiring in-process, the cable passes from the cylinder, plays the guide effect, however in actual course of working, thereby probably because drag the too big reason such as power of dragging during the wiring and lead to the cylinder rotational speed too fast and make the cylinder too big to the power of dragging of cable and the skin phenomenon appears tearing, also can lead to more cable roll-off and be unfavorable for the wiring construction of cable simultaneously.
Therefore, a pulley mechanism for paying off the power cable for power construction is designed to solve the problems.
Disclosure of Invention
The invention aims to solve the problems that in the cable wiring construction in the prior art, the surface of a cable is easily damaged due to the fact that the rotating speed of a pulley is too high, and excessive cables slide out, and provides a pulley mechanism for paying off a power cable for power construction.
In order to achieve the purpose, the invention adopts the following technical scheme:
a pulley mechanism for paying off a power cable for power construction comprises two symmetrically arranged frame bodies, wherein a roller is rotatably connected between the two frame bodies, the roller comprises a barrel body and rotating rods fixedly connected with two sides of the barrel body, the rotating rods are rotatably connected with the outer side wall of the frame body, one end of the roller is fixedly connected with a connecting rod, the connecting rod penetrates through the corresponding frame body and is fixedly connected with a U-shaped rod, the outer side wall of the frame body is positioned above the U-shaped rod and is connected with an installation block through a plurality of connecting blocks, the bottom of the installation block is provided with an installation groove, the bottom of the installation groove penetrates through and is fixedly connected with an air guide pipe, an air pushing mechanism matched with the air guide pipe is arranged between the installation groove and the U-shaped rod and comprises a first piston block and a second piston block which are slidably connected with the inner side wall of the installation groove, the first piston block is positioned above the second piston block and is connected with the inner side wall of the installation groove through a first connecting spring, an air outlet hole is formed in the inner side wall of the mounting groove and positioned between the first piston block and the second piston block, the inner side wall of the air outlet hole is connected with a sealing plug in a sliding mode, the sealing plug is connected with the inner side wall of the mounting groove through a reset assembly, an extrusion block matched with the sealing plug is fixedly connected to the upper surface of the second piston block, the lower surface of the second piston block is rotatably connected with a pulling rod, and the bottom of the pulling rod is rotatably sleeved on the outer side wall of the U-shaped rod; the mounting plate is fixedly connected between the two frame bodies and positioned above the roller, the outer side wall of the mounting plate penetrates through and is fixedly connected with the air guide block, the bottom of the air guide block is provided with a movable groove, the bottom of the air guide pipe penetrates through the air guide block and is fixedly connected with the bottom in the movable groove, one side of the two frame bodies opposite to each other is slidably connected with the movable block, the tops of the two movable blocks are connected with the inner side wall of the movable groove through the same extrusion mechanism, the extrusion mechanism comprises vertical rods fixedly connected with the tops of the movable blocks, the tops of the two vertical rods are fixedly connected with the same mounting cross rod, the top of the mounting cross rod is fixedly connected with an extrusion rod, the top of the extrusion rod is fixedly connected with a third piston block, the third piston block is slidably connected with the inner side wall of the movable groove, the third piston block is connected with the bottom in the movable groove through a second connecting spring, and the bottoms of the two movable blocks are provided with limit grooves, the limiting groove inner side wall is provided with a limiting mechanism used for limiting rotation of the roller, the limiting mechanism comprises a rubber pad fixedly connected with the limiting groove inner side wall, the limiting groove is cross-sectionally shaped like a trapezoid and is provided, a limiting insertion rod is fixedly connected to the bottom of the limiting groove, a plurality of limiting slots matched with the limiting insertion rod are formed in the outer side wall of the rotating rod, and the limiting slots are arranged along the rotating rod in an equal distance mode in the circumferential direction.
Preferably, one end of the U-shaped rod, which is far away from the frame body, is fixedly connected with a driving handle.
Preferably, the reset assembly comprises a fixing plate fixedly connected with the top of the sealing plug, and the outer side wall of the fixing plate is fixedly connected with the inner side wall of the mounting groove through a plurality of reset springs.
Preferably, second piston piece bottom fixedly connected with is the mount pad of U type setting, the mount pad inside wall rotates and is connected with the dwang, the rotation of pulling rod top cup joints on the dwang lateral wall.
Preferably, the outer side wall of the movable block is fixedly connected with a sliding block, and the outer side wall of the frame body is provided with a sliding groove matched with the sliding block.
The invention has the beneficial effects that:
1. through the cylinder, U type pole, the installation piece, push away the mechanism of qi, the air duct, mutually support between movable block and the extrusion mechanism, utilize U type pole drive to push away the mechanism of qi and remove and make the air current change in the air duct, the first piston piece that the low correspondence of U type pole rotational speed is unmovable or the removal of a small margin, thereby the fast first piston piece range of movement of U type pole rotational speed is big makes the movable block move down, the bull stick constantly contacts with the rubber pad this moment, thereby increase friction makes the bull stick rotational speed reduce, and then avoid the cylinder rotational speed too big and appear pulling the problem of skin and the too much roll-off of cable, be convenient for follow-up construction.
2. Through mutually supporting between movable block, spacing groove, spacing inserted bar, bull stick and the spacing slot, when the friction of rubber pad still is not enough to let the bull stick rotational speed reduce fast, the movable block can last the downstream, and spacing inserted bar can insert to spacing slot this moment in to make the bull stick unable rotation, the bull stick pause rotates, further avoids the bull stick rotational speed to influence follow-up construction soon.
Drawings
Fig. 1 is a schematic structural diagram of a pulley mechanism for paying off a power cable for power construction according to the present invention;
fig. 2 is a schematic view of an internal structure of a mounting groove in a pulley mechanism for paying off a power cable for power construction according to the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 2;
fig. 4 is a schematic view of a connection structure of a pulling rod and a second piston block in the pulley mechanism for paying off a power cable for power construction according to the present invention;
fig. 5 is a schematic view of a connection structure of a movable block and a frame body in a pulley mechanism for paying off a power cable for power construction according to the present invention;
fig. 6 is a schematic view of an internal structure of a movable groove in a pulley mechanism for paying off a power cable for power construction according to the present invention;
fig. 7 is a schematic view of an internal structure of a limiting groove in a pulley mechanism for paying off a power cable for power construction according to the present invention;
fig. 8 is a schematic structural diagram of a roller in a pulley mechanism for paying off a power cable for power construction according to the present invention.
In the figure: 1. a frame body; 2. a drum; 201. a barrel; 202. a rotating rod; 3. a connecting rod; 4. a U-shaped rod; 5. connecting blocks; 6. mounting blocks; 7. mounting grooves; 8. an air duct; 9. mounting a plate; 10. a gas guide block; 11. a movable groove; 12. a movable block; 13. a drive handle; 14. a first piston block; 15. a second piston block; 16. an air outlet; 17. a sealing plug; 18. extruding the block; 19. pulling a rod; 20. a fixing plate; 21. a return spring; 22. a mounting seat; 23. rotating the rod; 24. a slider; 25. a chute; 26. a vertical rod; 27. installing a cross bar; 28. an extrusion stem; 29. a third piston block; 30. a limiting groove; 31. a limiting inserted rod; 32. limiting slots; 33. and (7) a rubber pad.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-8, a pulley mechanism of power cable unwrapping wire for power construction, support body 1 including two symmetries settings, it is connected with cylinder 2 to rotate between two support bodies 1, cylinder 2 include barrel 201 and with barrel 201 both sides fixed connection's bull stick 202, bull stick 202 rotates with 1 lateral wall of support body to be connected, cylinder 2 wherein one end fixedly connected with connecting rod 3, connecting rod 3 runs through and corresponds support body 1 and fixedly connected with U type pole 4, 1 one end fixedly connected with drive handle 13 of support body is kept away from to U type pole 4, can intervene the rotational speed of U type pole 4 and cylinder 2 when needing like this.
Wherein, 1 lateral wall of support body just is located U type pole 4 top and is connected with installation piece 6 through a plurality of connecting blocks 5, and installation groove 7 has been seted up to 6 bottoms of installation piece, and the bottom runs through and fixedly connected with air duct 8 in installation groove 7, is equipped with the mechanism of pushing away gas with 8 looks adaptations of air duct between installation groove 7 and the U type pole 4.
Specifically, the air pushing mechanism comprises a first piston block 14 and a second piston block 15 which are slidably connected with the inner side wall of the mounting groove 7, the first piston block 14 is positioned above the second piston block 15 and is connected with the inner side wall of the mounting groove 7 through a first connecting spring, an air outlet 16 is arranged on the inner side wall of the mounting groove 7 and is positioned between the first piston block 14 and the second piston block 15, the inner side wall of the air outlet 16 is slidably connected with a sealing plug 17, the sealing plug 17 is connected with the inner side wall of the mounting groove 7 through a resetting component, the resetting component comprises a fixing plate 20 fixedly connected with the top of the sealing plug 17, the outer side wall of the fixing plate 20 is fixedly connected with the inner side wall of the mounting groove 7 through a plurality of resetting springs 21, the upper surface of the second piston block 15 is fixedly connected with an extrusion block 18 matched with the sealing plug 17, the lower surface of the second piston block 15 is rotatably connected with a pulling rod 19, and the bottom of the second piston block 15 is fixedly connected with a mounting seat 22 which is arranged in a U shape, 22 inside walls of mount pad rotate to be connected with dwang 23, and 19 tops of pulling rod rotate to cup joint on dwang 23 lateral wall, and 19 bottoms of pulling rod rotate to cup joint on 4 lateral walls of U type pole, and wherein sealing plug 17 and extrusion piece 18's concrete shape can refer to fig. 2 and 3 and show, and the two relative one side all is the angle that the slope set up and incline unanimously, is convenient for extrusion piece 18 to shift up and drives sealing plug 17 and remove toward 16 directions of venthole.
Further, between two support bodies 1 and be located 2 top fixedly connected with mounting panel 9 of cylinder, the mounting panel 9 lateral wall runs through and fixedly connected with air guide block 10, and movable groove 11 has been seted up to air guide block 10 bottom, and 8 bottoms of air ducts run through air guide block 10 and with 11 interior bottom fixed connection of movable groove.
Wherein, the equal sliding connection in two relative one sides of support body 1 has movable block 12, and the lateral wall fixedly connected with slider 24 of 12 lateral walls of movable block, the spout 25 with the 24 looks adaptations of slider is seted up to the 1 lateral wall of support body.
The top parts of the two movable blocks 12 are connected with the inner side wall of the movable groove 11 through the same extrusion mechanism, the extrusion mechanism comprises a vertical rod 26 fixedly connected with the top part of the movable block 12, the top parts of the two vertical rods 26 are fixedly connected with the same installation transverse rod 27, the top part of the installation transverse rod 27 is fixedly connected with an extrusion rod 28, the top part of the extrusion rod 28 is fixedly connected with a third piston block 29, the third piston block 29 is slidably connected with the inner side wall of the movable groove 11, and the third piston block 29 is connected with the inner bottom part of the movable groove 11 through a second connecting spring.
Wherein, two movable block 12 bottoms have all been seted up spacing groove 30, spacing groove 30 inside wall is equipped with and is used for restricting 2 pivoted stop gear of cylinder, stop gear includes the rubber pad 33 with spacing groove 30 inside wall fixed connection, the transversal trapezoidal setting of personally submitting of spacing groove 30, spacing inserted bar 31 of bottom fixedly connected with in spacing groove 30, the spacing slot 32 of a plurality of and spacing inserted bar 31 looks adaptation is seted up to bull stick 202 lateral wall, a plurality of spacing slots 32 are arranged along bull stick 202 week side equidistance, spacing groove 30 and rubber pad 33's shape refer to shown in figure 7, be trapezoidal setting, and the top width is less than the below width, like this along with the downstream of movable block 12, make the friction between rubber pad 33 and the bull stick 202 crescent, thereby reach the purpose of slowing down to bull stick 202.
The invention can be illustrated by the following operating modes:
in the initial state, the rotating rod 202 is not in contact with the rubber pad 33, at this time, the rotating speed of the roller 2 is normal, the roller 2 drives the U-shaped rod 4 to rotate, so that the pulling rod 19 drives the mounting seat 22 and the second piston block 15 to move, at this time, the second piston block 15 starts to move up and down and extrudes air between the second piston block 15 and the first piston block 14, the moving speed of the second piston block 15 is slow, the extruded air can be discharged outwards through the air outlet 16, and the first piston block 14 does not move.
When the roller 2 rotates faster under the action of external force, the moving speed of the corresponding second piston block 15 is increased, the exhaust speed of the air outlet hole 16 is constant, the second piston block 15 drives the pressurizing block 18 to continuously extrude the sealing plug 17, so that the pressure between the first piston block 14 and the second piston block 15 is increased, the first piston block 14 moves upwards, the air is extruded into the air guide pipe 8, the air enters the movable groove 11 through the air guide pipe 8, so that the third piston block 29 moves downwards, at the moment, the extruding rod 28, the mounting cross rod 27, the vertical rod 26 and the movable block 12 all move downwards, so that the rubber pad 33 is in contact with the rotating rod 202, the rotating friction force of the rotating rod 202 is increased, the rotating speed of the rotating rod 202 is reduced, at the moment, the moving speed of the second piston plate 15 is reduced, more air between the first piston block 14 and the second piston block 15 is discharged outwards through the air outlet hole 16, the first piston block 14 and the third piston block 29 are reset, the rotation speed of the rotating rod 202 returns to normal.
When the rotating speed of the rotating rod 202 still cannot be reduced under the action of the rubber pad 33, the pressure between the first piston block 14 and the second piston block 15 is continuously increased, so that the first piston block 14 can move upwards for a larger distance, namely, the third piston block 29 can move downwards for a larger distance, so that the movable block 12 moves for a larger distance, at the moment, the limiting insertion rod 31 can be inserted into the limiting insertion slot 32 in the downward movement process of the movable block 12, so that the rotating rod 202 suspends and rotates, and the subsequent construction can be effectively prevented from being influenced by the rotating speed of the rotating rod 202 quickly.
After the rotation of the rotating rod 202 is stopped, the mounting cross rod 27 needs to be manually lifted upwards to assist the first piston block 14 and the second piston block 15 to reset, and the drum 2 can normally work again after the resetting.
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 (5)
1. The utility model provides a pulley mechanism of power cable unwrapping wire for power construction, includes support body (1) that two symmetries set up, its characterized in that, two rotate between support body (1) and be connected with cylinder (2), cylinder (2) include barrel (201) and with barrel (201) both sides fixed connection's bull stick (202), bull stick (202) rotate with support body (1) lateral wall and be connected, cylinder (2) wherein one end fixedly connected with connecting rod (3), connecting rod (3) run through corresponding support body (1) and fixedly connected with U type pole (4), support body (1) lateral wall just is located U type pole (4) top and is connected with installation piece (6) through a plurality of connecting blocks (5), installation groove (7) have been seted up to installation piece (6) bottom, bottom run through and fixedly connected with air duct (8) in installation groove (7), the air pushing mechanism matched with the air guide pipe (8) is arranged between the mounting groove (7) and the U-shaped rod (4), the air pushing mechanism comprises a first piston block (14) and a second piston block (15) which are in sliding connection with the inner side wall of the mounting groove (7), the first piston block (14) is positioned above the second piston block (15) and is connected with the inner side wall of the mounting groove (7) through a first connecting spring, an air outlet hole (16) is formed in the inner side wall of the mounting groove (7) and between the first piston block (14) and the second piston block (15), the inner side wall of the air outlet hole (16) is in sliding connection with a sealing plug (17), the sealing plug (17) is connected with the inner side wall of the mounting groove (7) through a resetting component, an extrusion block (18) matched with the sealing plug (17) is fixedly connected to the upper surface of the second piston block (15), and a pulling rod (19) is rotatably connected to the lower surface of the second piston block (15), the bottom of the pulling rod (19) is rotatably sleeved on the outer side wall of the U-shaped rod (4);
two fixedly connected with mounting panels (9) between the frame bodies (1) and above the roller (2), the outer side wall of the mounting panels (9) runs through and is fixedly connected with an air guide block (10), a movable groove (11) is formed at the bottom of the air guide block (10), the bottom of the air guide tube (8) runs through the air guide block (10) and is fixedly connected with the inner bottom of the movable groove (11), two movable blocks (12) are slidably connected with one opposite side of the frame body (1), the tops of the two movable blocks (12) are connected with the inner side wall of the movable groove (11) through the same extrusion mechanism, the extrusion mechanism comprises vertical rods (26) fixedly connected with the tops of the movable blocks (12), two vertical rods (26) are fixedly connected with the same mounting cross rod (27), the tops of the mounting cross rods (27) are fixedly connected with extrusion rods (28), the tops of the extrusion rods (28) are fixedly connected with third piston blocks (29), third piston piece (29) and activity groove (11) inside wall sliding connection, third piston piece (29) are connected, two through second coupling spring and activity inslot (11) bottom in activity piece (12) bottom spacing groove (30) have all been seted up, spacing groove (30) inside wall is equipped with and is used for limiting drum (2) pivoted stop gear, stop gear include with spacing groove (30) inside wall fixed connection's rubber pad (33), spacing groove (30) are transversal personally submit the trapezoidal setting, spacing inslot (30) bottom fixedly connected with spacing inserted bar (31), a plurality of spacing slots (32) with spacing inserted bar (31) looks adaptation are seted up to bull stick (202) lateral wall, and are a plurality of spacing slots (32) are arranged along bull stick (202) equidistance week side.
2. The pulley mechanism for paying off the power cable for power construction as claimed in claim 1, wherein a driving handle (13) is fixedly connected to one end of the U-shaped rod (4) far away from the frame body (1).
3. The pulley mechanism for paying off power cables in power construction according to claim 1, wherein the reset assembly comprises a fixing plate (20) fixedly connected with the top of the sealing plug (17), and the outer side wall of the fixing plate (20) is fixedly connected with the inner side wall of the mounting groove (7) through a plurality of reset springs (21).
4. The pulley mechanism for paying off a power cable in power construction according to claim 1, wherein a mounting seat (22) is fixedly connected to the bottom of the second piston block (15) and is in a U-shaped arrangement, a rotating rod (23) is rotatably connected to the inner side wall of the mounting seat (22), and the top of the pulling rod (19) is rotatably sleeved on the outer side wall of the rotating rod (23).
5. The pulley mechanism for paying off the power cable for power construction according to claim 1, wherein a sliding block (24) is fixedly connected to an outer side wall of the movable block (12), and a sliding groove (25) matched with the sliding block (24) is formed in an outer side wall of the frame body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010960302.9A CN112061884B (en) | 2020-09-14 | 2020-09-14 | Pulley mechanism for paying off power cable for power construction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010960302.9A CN112061884B (en) | 2020-09-14 | 2020-09-14 | Pulley mechanism for paying off power cable for power construction |
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| CN112061884A CN112061884A (en) | 2020-12-11 |
| CN112061884B true CN112061884B (en) | 2022-04-29 |
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| CN114400592B (en) * | 2021-12-16 | 2023-07-07 | 国网河南省电力公司温县供电公司 | Multifunctional connecting assembly for cable connection |
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| CN211275943U (en) * | 2019-12-23 | 2020-08-18 | 武汉华之威科技产业有限公司 | Automatic cutting pay-off rack for stainless steel narrow material residual coil |
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| CN202978127U (en) * | 2012-12-08 | 2013-06-05 | 湖北省电力公司南漳县供电公司 | Wire barrow with brake apparatus |
| CN204858496U (en) * | 2015-08-10 | 2015-12-09 | 国家电网公司 | Distribution lines drawing drum with brake equipment |
| CN106532568B (en) * | 2016-11-08 | 2018-07-03 | 国网山东省电力公司龙口市供电公司 | A kind of pulling during electric power line construction device |
| CN206599320U (en) * | 2017-03-17 | 2017-10-31 | 开能智慧能源有限公司 | A kind of intelligent telpher |
| CN207989233U (en) * | 2018-03-31 | 2018-10-19 | 王玉红 | A kind of soft brake of wind-driven generator |
| CN108706403A (en) * | 2018-05-23 | 2018-10-26 | 缪湘湘 | A kind of electrical power transmission cables actinobacillus device |
| CN208732332U (en) * | 2018-08-30 | 2019-04-12 | 国家电网有限公司 | One kind prevents cable from scratching device and system |
| CN109056167A (en) * | 2018-10-25 | 2018-12-21 | 湖州以诚服饰有限公司 | A kind of textile machine back rest drum apparatus |
| CN210053111U (en) * | 2019-07-18 | 2020-02-11 | 迪尔集团有限公司 | Long-distance and large-diameter cable mechanized laying construction device in cable trench |
| CN111517161B (en) * | 2020-04-28 | 2021-12-24 | 佛山市马大生纺织有限公司 | Yarn guide device of warping machine |
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| CN208531935U (en) * | 2018-07-08 | 2019-02-22 | 李文 | A kind of electric power cable rack |
| CN211275943U (en) * | 2019-12-23 | 2020-08-18 | 武汉华之威科技产业有限公司 | Automatic cutting pay-off rack for stainless steel narrow material residual coil |
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