CN112061884A - Pulley mechanism for paying off power cable for power construction - Google Patents
Pulley mechanism for paying off power cable for power construction Download PDFInfo
- Publication number
- CN112061884A CN112061884A CN202010960302.9A CN202010960302A CN112061884A CN 112061884 A CN112061884 A CN 112061884A CN 202010960302 A CN202010960302 A CN 202010960302A CN 112061884 A CN112061884 A CN 112061884A
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- fixedly connected
- rod
- block
- side wall
- groove
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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paying-out filamentary material; Supporting, storing or transporting packages from which filamentary material is to be withdrawn or paid-out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
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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
- 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.
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, 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 each 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 each installation block is provided with an installation groove, the bottom of each installation groove is penetrated and fixedly connected with a gas guide tube, and a gas pushing mechanism matched with the gas guide tube is arranged between each installation groove and the U-shaped rod; two just be located cylinder top fixedly connected with mounting panel between the support body, the mounting panel lateral wall runs through and fixedly connected with air guide block, the activity groove has been seted up to air guide block bottom, the air guide pipe bottom run through air guide block and with activity inslot bottom fixed connection, two equal sliding connection in the relative one side of support body has the movable block, two the movable block top is connected with the activity inslot lateral wall through same extrusion mechanism, two the spacing groove has all been seted up to the movable block bottom, the spacing inslot lateral wall is equipped with and is used for restricting cylinder pivoted stop gear.
Preferably, the roller comprises a roller body and rotating rods fixedly connected with two sides of the roller body, and the rotating rods are fixedly connected with the outer side wall of the frame body.
Preferably, one end of the U-shaped rod, which is far away from the frame body, is fixedly connected with a driving handle.
Preferably, push away the air mechanism and include first piston piece and the second piston piece with mounting groove inside wall sliding connection, first piston piece is located second piston piece top and is connected with the mounting groove inside wall through first coupling spring, the mounting groove inside wall just is located and has seted up the venthole between first piston piece and the second piston piece, venthole inside wall sliding connection has the sealing plug, the sealing plug passes through reset assembly and is connected with the mounting groove inside wall, fixed surface is connected with the extrusion piece with sealing plug looks adaptation on the second piston piece, second piston piece lower surface rotates and is connected with the pulling rod, the pulling rod bottom rotates and cup joints on U type pole lateral wall.
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.
Preferably, the extrusion mechanism includes the montant with movable block top fixed connection, two the same installation horizontal pole of montant top fixedly connected with, installation horizontal pole top fixedly connected with stripper bar, stripper bar top fixedly connected with third piston block, third piston block and activity inslot inside wall sliding connection, the third piston block passes through second connecting spring and is connected with the activity inslot bottom.
Preferably, stop gear includes the rubber pad with spacing inslot lateral wall fixed connection, the transversal trapezoidal setting of personally submitting of spacing groove, the spacing inserted bar of spacing inslot bottom fixedly connected with, the bull stick lateral wall is seted up a plurality of and the spacing slot of spacing inserted bar looks adaptation, and is a plurality of spacing slot is arranged along bull stick week side equidistance.
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 and 1 lateral wall fixed connection of support body, 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, 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 (9)
1. The pulley mechanism for paying off the power cable for power construction comprises two symmetrically arranged frame bodies (1), and is characterized in that a roller (2) is rotatably connected between the two frame bodies (1), one end of the roller (2) is fixedly connected with a connecting rod (3), the connecting rod (3) penetrates through the corresponding frame body (1) and is fixedly connected with a U-shaped rod (4), the outer side wall of the frame body (1) is positioned above the U-shaped rod (4) and is connected with an installation block (6) through a plurality of connecting blocks (5), the bottom of the installation block (6) is provided with an installation groove (7), the bottom of the installation groove (7) is penetrated through and is fixedly connected with an air guide pipe (8), and an air pushing mechanism matched with the air guide pipe (8) is arranged between the installation groove (7) and the U-shaped rod (4;
two just be located cylinder (2) top fixedly connected with mounting panel (9) between support body (1), mounting panel (9) lateral wall runs through and fixedly connected with air guide block (10), movable groove (11) have been seted up to air guide block (10) bottom, air duct (8) bottom run through air guide block (10) and with activity inslot (11) in bottom fixed connection, two equal sliding connection in one side relatively of support body (1) has movable block (12), two movable block (12) top is connected with activity groove (11) inside wall through same extrusion mechanism, two spacing groove (30) have all been seted up to movable block (12) bottom, spacing groove (30) inside wall is equipped with and is used for restricting cylinder (2) pivoted stop gear.
2. The pulley mechanism for paying off the power cable for power construction according to claim 1, wherein the roller (2) comprises a cylinder (201) and rotating rods (202) fixedly connected with two sides of the cylinder (201), and the rotating rods (202) are fixedly connected with the outer side wall of the frame body (1).
3. 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).
4. The pulley mechanism for paying off the power cable for power construction according to claim 1, wherein 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 installation 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 installation groove (7) through a first connecting spring, an air outlet hole (16) is formed in the inner side wall of the installation groove (7) and is positioned between the first piston block (14) and the second piston block (15), a sealing plug (17) is slidably connected with the inner side wall of the air outlet hole (16), the sealing plug (17) is connected with the inner side wall of the installation 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), 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).
5. The pulley mechanism for paying off power cables in power construction according to claim 4, 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).
6. The pulley mechanism for paying off a power cable in power construction according to claim 4, 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).
7. 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).
8. The pulley mechanism for paying off the power cable for power construction according to claim 1, wherein the extrusion mechanism comprises vertical rods (26) fixedly connected with the tops of the movable blocks (12), the tops of the two vertical rods (26) are fixedly connected with the same mounting cross rod (27), the top of the mounting cross rod (27) is fixedly connected with an extrusion rod (28), the top 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 of the movable groove (11) through a second connecting spring.
9. The pulley mechanism for paying off the power cable for power construction according to claim 2, wherein the limiting mechanism comprises a rubber pad (33) fixedly connected with the inner side wall of the limiting groove (30), the cross section of the limiting groove (30) is in a trapezoid arrangement, a limiting inserted rod (31) is fixedly connected to the bottom of the limiting groove (30), a plurality of limiting slots (32) matched with the limiting inserted rod (31) are formed in the outer side wall of the rotating rod (202), and the plurality of limiting slots (32) are equidistantly arranged along the circumferential side of the rotating rod (202).
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 |
Applications Claiming Priority (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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| Publication Number | Publication Date |
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| CN112061884A true CN112061884A (en) | 2020-12-11 |
| CN112061884B CN112061884B (en) | 2022-04-29 |
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| CN202010960302.9A Active CN112061884B (en) | 2020-09-14 | 2020-09-14 | Pulley mechanism for paying off power cable for power construction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114400592A (en) * | 2021-12-16 | 2022-04-26 | 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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| 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 |
| CN110429515A (en) * | 2019-07-30 | 2019-11-08 | 国网河南省电力公司商丘供电公司 | A kind of cable laying multiple pulley bracket |
| 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 |
| CN111517161A (en) * | 2020-04-28 | 2020-08-11 | 佛山市马大生纺织有限公司 | Yarn guide device of warping machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114400592A (en) * | 2021-12-16 | 2022-04-26 | 国网河南省电力公司温县供电公司 | Multifunctional connecting assembly for cable connection |
| 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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