CN112357673A - Walk line downhill path auxiliary device - Google Patents
Walk line downhill path auxiliary device Download PDFInfo
- Publication number
- CN112357673A CN112357673A CN202011349603.4A CN202011349603A CN112357673A CN 112357673 A CN112357673 A CN 112357673A CN 202011349603 A CN202011349603 A CN 202011349603A CN 112357673 A CN112357673 A CN 112357673A
- Authority
- CN
- China
- Prior art keywords
- fixing frame
- upper fixing
- fixed plate
- screw
- lower fixing
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H51/00—Forwarding filamentary material
- B65H51/02—Rotary devices, e.g. with helical forwarding surfaces
- B65H51/04—Rollers, pulleys, capstans, or intermeshing rotary elements
- B65H51/08—Rollers, pulleys, capstans, or intermeshing rotary elements arranged to operate in groups or in co-operation with other elements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/06—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/34—Handled filamentary material electric cords or electric power cables
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- Transmission Devices (AREA)
- Emergency Lowering Means (AREA)
Abstract
The invention provides a wiring downhill auxiliary device which comprises an upper fixing frame and a lower fixing frame, wherein a hanging ring is arranged on the upper fixing frame, and a wiring channel through which a power supply line passes is formed between the upper fixing frame and the lower fixing frame; and a speed regulating mechanism for controlling the wiring speed is arranged on one side of the upper fixing frame and/or the lower fixing frame. The invention has reasonable design and simple structure, and the operator can control the wiring speed through the speed regulating mechanism when going downhill, so that the operator can slide downwards slowly, and the risks of personal injury caused by the impact of the operator and the spacer or personnel falling caused by the abrasion and breakage of the safety rope and the lead are avoided.
Description
Technical Field
The invention relates to the technical field of wires and cables, in particular to a wiring downhill auxiliary device.
Background
The electricity utilization safety is continuously emphasized in life, and accidents caused by electricity utilization in life are usually caused by poor contact of electric wires and cables and the wire arrangement problem during installation of the electric wires and cables, so that the requirements of people for installing the electric wires and cables are very strict, strict wire arrangement planning is required during installation, and then wiring installation is carried out. However, the existing line walking machine only walks lines through the large-scale frame on the outer ring of the roller frame, so that the electric wires and cables are easy to slide out of the line walking machine body when walking lines, and the electric wires and cables cannot advance.
Most importantly, when an operator walks a line to inspect the condition of the wire in a power transmission line, the operator can encounter a span with a large height difference in a special terrain to cause the inclination angle of the wire to be larger than 45 degrees, the operator can automatically slide downwards under the influence of gravity, and the sliding speed is difficult to control to cause stalling, so that the operator is collided with a spacer to cause personal injury or falls off due to abrasion and breakage of a safety rope and the wire. In addition, because the slope is big when walking the line, receives the influence of gravity, the operation personnel can't the fixed point stand inspection wire, influences the engineering quality of acceptance.
Disclosure of Invention
The invention aims to provide a wiring downhill auxiliary device, which can control the wiring speed through a speed regulating mechanism when an operator goes downhill so as to enable the operator to slowly slide downwards, and avoid the risks of personal injury caused by the impact of the operator and a spacer or personnel falling caused by the abrasion and breakage of a safety rope and a lead.
The embodiment of the invention is realized by the following technical scheme:
a wiring downhill auxiliary device comprises an upper fixing frame and a lower fixing frame, wherein a hanging ring is arranged on the upper fixing frame, and a wiring channel through which a power supply line passes is formed between the upper fixing frame and the lower fixing frame; and a speed regulating mechanism for controlling the wiring speed is arranged on one side of the upper fixing frame and/or the lower fixing frame.
Furthermore, a plurality of rollers are arranged in the upper fixing frame and the lower fixing frame, and the rollers are movably connected with the side wall of the upper fixing frame or the side wall of the lower fixing frame through connecting shafts.
Furthermore, a plurality of rollers in the upper fixing frame are in transmission connection through gears; and a plurality of rollers in the lower fixing frame are in transmission connection through gears.
Further, the governor mechanism includes: the locking mechanism comprises a locking piece arranged on one side of the upper fixing frame and/or the lower fixing frame and an adjusting structure used for adjusting the locking degree of the locking piece; the locking piece is movably connected with a connecting shaft of the roller.
Further, the lock member includes: the friction plate and the spring, a through groove rotationally connected with the connecting shaft is formed in the center of the friction plate, and the spring is arranged along the circumferential direction of the outer edge of the friction plate; the friction plate and the spring are also externally coated with a shell, one end of the spring is connected with the inner wall of the shell, and the other end of the spring is connected with the side wall of the upper fixing frame; the adjustment structure includes: the speed regulation device comprises a connecting rod, a top block, a first screw, a speed regulation rotary table and a speed regulation positioning plate, wherein one end of the connecting rod is movably connected with the outer wall of the shell through the top block, the other end of the connecting rod is provided with a screw-nut pair, the first screw penetrates through the screw-nut pair, the speed regulation rotary table is arranged at one end of the first screw, the other end of the first screw is connected with a speed regulation fixed plate, and the speed regulation fixed plate is arranged on the top surface of the upper fixing frame.
Furthermore, both end faces of the friction plate are provided with gaskets.
Further, the device also comprises a clamping mechanism which is used for adjusting the relative height between the upper fixing frame and the lower fixing frame.
Furthermore, the clamping mechanism comprises an upper fixing structure and a nut seat, the upper fixing structure comprises a first clamping fixed plate arranged in the upper fixing frame, a second clamping fixed plate is arranged above the clamping fixed plate, a second screw rod penetrates through the center of the second clamping fixed plate, and a nut is arranged at the joint of the second clamping fixed plate and the second screw rod; two ends of the second clamping fixed plate are respectively provided with a positioning screw rod, and one positioning screw rod penetrates through one end of the first clamping fixed plate and is in threaded connection with the nut seat; the nut seat is arranged on the outer side wall of the lower fixing frame and is fixedly connected with the lower fixing frame.
Further, a gear fixing seat is arranged between the plurality of gears and the roller.
Furthermore, the rollers positioned on two sides of the first clamping fixed plate are provided with belt pulleys, and the two belt pulleys are connected through a belt in a transmission manner.
The technical scheme of the embodiment of the invention at least has the following advantages and beneficial effects:
1. the invention has reasonable design and simple structure, and the operator can control the wiring speed through the speed regulating mechanism when going downhill, so that the operator can slide downwards slowly, and the risks of personal injury caused by the impact of the operator and the spacer or personnel falling caused by the abrasion and breakage of the safety rope and the lead are avoided.
2. The invention can realize the clamping operation of wires with different diameters through the clamping mechanism, and has wide application range and simple and reliable operation.
3. According to the invention, through the matching of the speed regulating mechanism and the clamping mechanism, when the electric wire is clamped and locked, the device and the electric wire can be kept in a relatively fixed state, so that a supporting point capable of standing or squatting is provided for an operator, the operator can conveniently check the wire at a fixed point and have a rest, and the functionality is stronger.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a routing downhill auxiliary device according to an embodiment of the present invention;
fig. 2 is a top view of a routing downhill assisting device according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a schematic structural diagram of a governor mechanism according to an embodiment of the present invention;
FIG. 5 is an exploded view of a governor mechanism provided in an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a clamping mechanism provided in an embodiment of the present invention;
FIG. 7 is an exploded view of a clamping mechanism provided by an embodiment of the present invention;
FIG. 8 is a schematic view of a clamping mechanism provided in accordance with an embodiment of the present invention in an open state;
fig. 9 is a schematic view of a clamping mechanism provided in an embodiment of the present invention in a closed state.
Icon: 1-upper fixed frame, 2-lower fixed frame, 3-roller, 4-connecting shaft, 5-speed regulating mechanism, 51-locking piece, 511-outer shell, 512-gasket, 513-spring, 514-friction plate, 5141-through groove, 52-regulating structure, 521-connecting rod, 522-speed regulating turntable, 523-screw nut pair, 524-first screw rod, 525-speed regulating fixed plate, 526-top block, 6-clamping mechanism, 61-clamping turntable, 62-second screw rod, 63-gear fixed seat, 64-gear, 65-second clamping fixed plate, 66-first clamping fixed plate, 67-positioning screw rod, 68-nut seat, 69-nut, 7-wire, 8-lifting ring and 9-belt pulley, 10-a belt.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are usually placed in when used, the terms are only used for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements indicated must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
A routing downhill auxiliary device comprises an upper fixing frame 1 and a lower fixing frame 2, wherein a hanging ring 8 is arranged on the upper fixing frame 1; a plurality of rollers 3 are arranged in the upper fixing frame 1 and the lower fixing frame 2, and the rollers 3 are movably connected with the side wall of the upper fixing frame 1 or the side wall of the lower fixing frame 2 through connecting shafts 4; the rollers 3 in the upper fixing frame 1 are in transmission connection through the gears 64, and the rollers 3 in the lower fixing frame 2 are in transmission connection through the gears 64; a routing channel through which a power supply line 7 passes is formed between the rollers 3 of the upper fixing frame 1 and the rollers 3 of the lower fixing frame 2; go up mount 1 and/or 2 one side of lower mount are equipped with speed adjusting mechanism 5 that is used for controlling the line speed, speed adjusting mechanism 5 includes: the locking piece 51 is arranged on one side of the upper fixing frame 1 and/or the lower fixing frame 2, and the adjusting structure 52 is used for adjusting the locking degree of the locking piece 51; the locking piece 51 is movably connected with a connecting shaft 4 of the roller 3.
In this embodiment, the lock member 51 includes: the friction plate 514 and the spring 513, wherein a through groove 5141 which is rotationally connected with the connecting shaft 4 is formed in the center of the friction plate 514, and the spring 513 is arranged along the circumferential direction of the outer edge of the friction plate 514; the friction plate 514 and the spring 513 are further coated with an outer shell 511, one end of the spring 513 is connected with the inner wall of the outer shell 511, and the other end of the spring is connected with the side wall of the upper fixing frame 1;
the adjustment structure 52 includes: the speed regulation device comprises a connecting rod 521, a top block 526, a first screw 524, a speed regulation rotary table 522 and a speed regulation positioning plate, wherein one end of the connecting rod 521 is movably connected with the outer wall of the shell 511 through the top block 526, the other end of the connecting rod 521 is provided with a screw-nut pair 523, the first screw 524 penetrates through the screw-nut pair 523, one end of the first screw 524 is provided with the speed regulation rotary table 522, the other end of the first screw 524 is connected with a speed regulation fixed plate 525, and the speed regulation fixed plate 525 is arranged on the top surface of the upper fixed frame 1.
In this embodiment, the two end surfaces of the friction plate 514 are respectively provided with the gasket 512, so as to prolong the service life of the friction plate 514 and avoid excessive friction of the friction plate 514 caused by emergency operation.
When the lifting rope is used, one end of the rope is fixed on the lifting ring 8, and the other end of the rope is connected with an operator; if meet the downhill path, can carry out slowly gliding according to the operating personnel needs during the operating personnel uses to control and walk line speed, specifically operate as follows: the operator rotates the speed-regulating turntable 522, so as to drive the first screw 524 to extrude the connecting rod 521 inwards under the action of the screw-nut pair 523, so that the top block 526 compresses the spring 513 in the outer shell 511, the length of the spring 513 is changed, the friction force of the friction plate 514 is increased, the rotation of the connecting shaft 4 connected with the friction plate 514 is controlled, the rotation of the roller 3 is controlled, the gliding speed is controlled, the speed-fixing function is achieved, and the risks such as collision and the like when the operator runs down a slope and meets a road section are avoided.
In the embodiment, the wire clamping device further comprises a clamping mechanism 6, wherein the clamping mechanism 6 is used for adjusting the relative height between the upper fixing frame 1 and the lower fixing frame 2, so that the relative height can be adjusted according to different outer diameters of the operation wires 7, and the wire clamping device can be used for clamping wires 7 with different diameters.
In the present embodiment, the clamping mechanism 6 comprises an upper fixing structure and a nut seat 68; the upper fixing structure comprises a first clamping fixed plate 66 arranged in the upper fixing frame 1, a second clamping fixed plate 65 is arranged above the clamping fixed plate, a second screw 62 penetrates through the center of the second clamping fixed plate 65, a clamping rotary disc 61 is arranged at the top end of the second screw 62, and one end, far away from the clamping rotary disc 61, of the second screw 62 is fixedly connected with the first clamping fixed plate 66; a nut 69 is arranged at the joint of the second clamping fixed plate 65 and the second screw 62; two ends of the second clamping fixed plate 65 are respectively provided with a positioning screw 67, and one positioning screw 67 penetrates through one end of the first clamping fixed plate 66 and is in threaded connection with the nut seat 68; the nut seat 68 is disposed on an outer side wall of the lower fixing frame 2 and is fixedly connected with the lower fixing frame 2.
When the clamping device is used, an operator clamps the turntable 61 by rotating the clamping turntable, because the second screw rod 62 is in threaded connection with the second clamping plate, and the other end of the second screw rod 62 is fixedly connected with the first clamping fixed plate 66, namely, the second screw rod is relatively fixed with the upper fixing frame 1, and the two ends of the second clamping fixed plate 65 are respectively provided with the positioning screw rods 67, the tail ends of the positioning screw rods 67 are in threaded connection with the nut seats 68, and the nut seats 68 are fixedly connected with the lower fixing frame 2, then when the second screw rod 62 is rotated, the nut seats 68 at the bottoms of the positioning screw rods 67 can be driven to move upwards or downwards, so that the lower fixing frame 2 is driven to move upwards or downwards, thereby realizing adjustment of the relative height between the upper fixing frame 1 and the lower fixing frame 2, and enabling the wires 7.
In addition, before the use, the positioning screw 67 on any side can be rotated to separate the positioning screw 67 from the bottom nut seat 68, and the positioning screw 67 is continuously rotated to move the positioning screw 67 upwards, so that a through hole for the power supply line 7 to enter is formed between the upper fixing frame 1 and the lower fixing frame 2, the power supply line 7 can enter between the roller 3 of the upper fixing frame 1 and the roller 3 of the lower fixing frame 2, and then the positioning screw 67 is screwed into the bottom nut seat 68 again, so that the closed fixed state can be recovered. Then, the clamping rotary table 61 is rotated to enable the electric wire 7 to be attached to the rollers 3 at the upper end and the lower end, and the operator rotates the speed regulation rotary table 522 according to the requirement to control the sliding speed.
In addition, when the friction plate 514 is in a locking state, or the roller 3 of the upper fixing frame 1 and the roller 3 of the lower fixing frame 2 are in a closing state, the device and the electric wire 7 can be kept in a relatively fixed state, so that a supporting point capable of standing or squatting is provided for an operator, and the operator can conveniently check the wire and have a rest at a fixed point.
In this embodiment, a plurality of gear holders 63 are disposed between the gears 64 and the rollers 3, so as to maintain the stability of the device during walking and prolong the service life of the device.
The rollers 3 on both sides of the first clamping fixed plate 66 cannot be driven by the gear 64 due to the obstruction of the first clamping fixed plate 66, in this embodiment, the rollers 3 on both sides of the first clamping fixed plate 66 are provided with belt pulleys 9, and the two belt pulleys 9 are in driving connection by a belt 10; so as to keep synchronous rotation among the rollers 3 on the same side, thereby maintaining the stability of the operator when walking on the electric wire 7.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A routing downhill auxiliary device is characterized by comprising an upper fixing frame and a lower fixing frame, wherein a hanging ring is arranged on the upper fixing frame, and a routing channel through which a power supply line passes is formed between the upper fixing frame and the lower fixing frame;
and a speed regulating mechanism for controlling the wiring speed is arranged on one side of the upper fixing frame and/or the lower fixing frame.
2. The routing downhill auxiliary device of claim 1, wherein a plurality of rollers are disposed in the upper fixing frame and the lower fixing frame, and the rollers are movably connected with the side wall of the upper fixing frame or the side wall of the lower fixing frame through a connecting shaft.
3. The routing downhill assist device of claim 2, wherein the governor mechanism includes: the locking mechanism comprises a locking piece arranged on one side of the upper fixing frame and/or the lower fixing frame and an adjusting structure used for adjusting the locking degree of the locking piece; the locking piece is movably connected with a connecting shaft of the roller.
4. The wire downhill assist device of claim 3, wherein the lock includes: the friction plate and the spring, a through groove rotationally connected with the connecting shaft is formed in the center of the friction plate, and the spring is arranged along the circumferential direction of the outer edge of the friction plate; the friction plate and the spring are also externally coated with a shell, one end of the spring is connected with the inner wall of the shell, and the other end of the spring is connected with the side wall of the upper fixing frame;
the adjustment structure includes: the speed regulation device comprises a connecting rod, a top block, a first screw, a speed regulation rotary table and a speed regulation positioning plate, wherein one end of the connecting rod is movably connected with the outer wall of the shell through the top block, the other end of the connecting rod is provided with a screw-nut pair, the first screw penetrates through the screw-nut pair, the speed regulation rotary table is arranged at one end of the first screw, the other end of the first screw is connected with a speed regulation fixed plate, and the speed regulation fixed plate is arranged on the top surface of the upper fixing frame.
5. The routing downhill auxiliary device of claim 4, wherein both end faces of the friction plate are provided with a gasket.
6. The routing downhill assist device of claim 1, further comprising a clamping mechanism to adjust a relative height between the upper mount and the lower mount.
7. The wire running downhill assist device of claim 6, wherein the clamping mechanism includes an upper fixing structure and a nut seat,
the upper fixing structure comprises a first clamping fixed plate arranged in the upper fixing frame, a second clamping fixed plate is arranged above the clamping fixed plate, a second screw rod penetrates through the center of the second clamping fixed plate, and a nut is arranged at the joint of the second clamping fixed plate and the second screw rod; two ends of the second clamping fixed plate are respectively provided with a positioning screw rod, and one positioning screw rod penetrates through one end of the first clamping fixed plate and is in threaded connection with the nut seat;
the nut seat is arranged on the outer side wall of the lower fixing frame and is fixedly connected with the lower fixing frame.
8. The wire running downhill auxiliary device according to claim 7, wherein pulleys are disposed on the rollers on both sides of the first clamping fixed plate, and the two pulleys are connected through a belt transmission.
9. The routing downhill auxiliary device of claim 2, wherein a plurality of rollers in the upper fixing frame are connected through a gear transmission; and a plurality of rollers in the lower fixing frame are in transmission connection through gears.
10. The routing downhill assist device of claim 9, wherein a gear fixing seat is disposed between the plurality of gears and the roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011349603.4A CN112357673B (en) | 2020-11-26 | 2020-11-26 | Walk line downhill path auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011349603.4A CN112357673B (en) | 2020-11-26 | 2020-11-26 | Walk line downhill path auxiliary device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112357673A true CN112357673A (en) | 2021-02-12 |
| CN112357673B CN112357673B (en) | 2022-12-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011349603.4A Active CN112357673B (en) | 2020-11-26 | 2020-11-26 | Walk line downhill path auxiliary device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112357673B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2140430Y (en) * | 1992-12-16 | 1993-08-18 | 戴定富 | Spiral pressure energy absorption sliding-frictional resistance |
| CN1712083A (en) * | 2004-06-22 | 2005-12-28 | 何光明 | Lifesaving device on high building |
| JP2008201563A (en) * | 2007-02-22 | 2008-09-04 | Matsushita Electric Works Ltd | Lifting device |
| CN202296550U (en) * | 2011-10-11 | 2012-07-04 | 天津市金纬纺织机械有限公司 | Material draw gear |
| CN103316436A (en) * | 2013-07-05 | 2013-09-25 | 北京林业大学 | Portable high-rise prompt-drop escaping device |
| US20180054046A1 (en) * | 2010-04-26 | 2018-02-22 | Southwire Company, Llc | Apparatus for Pushing Conductors into Conduit and Other Structures |
| CN109787162A (en) * | 2018-12-21 | 2019-05-21 | 郑州拓华仪器有限公司 | A kind of electronic communication cable wire harness apparatus |
| CN110790074A (en) * | 2019-11-08 | 2020-02-14 | 湖南盛世电线电缆有限公司 | Pay-off machine of active pay-off fine winding machine for wire and cable production |
| CN110835002A (en) * | 2019-11-14 | 2020-02-25 | 国网山东省电力公司临沂供电公司 | Power cable pay-off |
| US20200255257A1 (en) * | 2019-02-08 | 2020-08-13 | Tesmec S.P.A. | Cable recovery machine |
-
2020
- 2020-11-26 CN CN202011349603.4A patent/CN112357673B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2140430Y (en) * | 1992-12-16 | 1993-08-18 | 戴定富 | Spiral pressure energy absorption sliding-frictional resistance |
| CN1712083A (en) * | 2004-06-22 | 2005-12-28 | 何光明 | Lifesaving device on high building |
| JP2008201563A (en) * | 2007-02-22 | 2008-09-04 | Matsushita Electric Works Ltd | Lifting device |
| US20180054046A1 (en) * | 2010-04-26 | 2018-02-22 | Southwire Company, Llc | Apparatus for Pushing Conductors into Conduit and Other Structures |
| CN202296550U (en) * | 2011-10-11 | 2012-07-04 | 天津市金纬纺织机械有限公司 | Material draw gear |
| CN103316436A (en) * | 2013-07-05 | 2013-09-25 | 北京林业大学 | Portable high-rise prompt-drop escaping device |
| CN109787162A (en) * | 2018-12-21 | 2019-05-21 | 郑州拓华仪器有限公司 | A kind of electronic communication cable wire harness apparatus |
| US20200255257A1 (en) * | 2019-02-08 | 2020-08-13 | Tesmec S.P.A. | Cable recovery machine |
| CN110790074A (en) * | 2019-11-08 | 2020-02-14 | 湖南盛世电线电缆有限公司 | Pay-off machine of active pay-off fine winding machine for wire and cable production |
| CN110835002A (en) * | 2019-11-14 | 2020-02-25 | 国网山东省电力公司临沂供电公司 | Power cable pay-off |
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| Publication number | Publication date |
|---|---|
| CN112357673B (en) | 2022-12-13 |
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