CN109693972B - Cable tension pay-off device - Google Patents
Cable tension pay-off device Download PDFInfo
- Publication number
- CN109693972B CN109693972B CN201811644965.9A CN201811644965A CN109693972B CN 109693972 B CN109693972 B CN 109693972B CN 201811644965 A CN201811644965 A CN 201811644965A CN 109693972 B CN109693972 B CN 109693972B
- Authority
- CN
- China
- Prior art keywords
- sleeve
- pay
- tension
- cable
- drum
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000002093 peripheral effect Effects 0.000 claims abstract description 8
- 238000004804 winding Methods 0.000 claims abstract description 4
- 238000001514 detection method Methods 0.000 claims description 20
- 238000010276 construction Methods 0.000 abstract description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 15
- 235000017491 Bambusa tulda Nutrition 0.000 description 15
- 241001330002 Bambuseae Species 0.000 description 15
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 15
- 239000011425 bamboo Substances 0.000 description 15
- 238000000034 method Methods 0.000 description 5
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Images
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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/34—Handled filamentary material electric cords or electric power cables
Landscapes
- Electric Cable Installation (AREA)
- Tension Adjustment In Filamentary Materials (AREA)
Abstract
本发明提供了一种线缆张力放线装置，属于电力施工技术领域，包括支架；放线筒，用于缠绕线缆，两端分别设置有转轴，每一转轴上均套设有滑动设置在支架上的支撑套，且转轴可于支撑套内转动；张力控制转筒，转动设置在支架上，且外周面与放线筒的外周面摩擦接触，用于控制线缆的放线张力，张力控制转筒与电机的输出轴连接；挡板，设置在支架上并位于放线筒的一侧；弹性件，一端与挡板连接，另一端与支撑套连接，自由状态下，弹性件通过支撑套推动放线筒与张力控制转筒转动配合。本发明提供的线缆张力放线装置，旨在解决目前的线缆张力放线装置线缆张力稳定性不易控制的技术问题。
The invention provides a cable tension pay-off device, belonging to the technical field of electric power construction, comprising a bracket; a pay-off spool, used for winding cables, two ends are respectively provided with rotating shafts, each rotating shaft is sleeved with a sliding set on The support sleeve on the bracket, and the rotating shaft can be rotated in the support sleeve; the tension control drum is rotatably arranged on the bracket, and the outer peripheral surface is in frictional contact with the outer peripheral surface of the pay-off drum, which is used to control the cable pay-off tension, tension The control drum is connected with the output shaft of the motor; the baffle plate is arranged on the bracket and is located on one side of the pay-off drum; the elastic piece is connected with the baffle plate at one end and the support sleeve at the other end. In the free state, the elastic piece passes through the support The sleeve pushes the pay-off drum to rotate and cooperate with the tension control drum. The cable tension pay-off device provided by the present invention aims to solve the technical problem that the cable tension stability of the current cable tension pay-off device is difficult to control.
Description
Technical Field
The invention belongs to the technical field of electric power construction, and particularly relates to a cable tension pay-off device.
Background
The construction method is that the stretched conductor is kept with certain tension and separated from the ground to be in an overhead state in the whole process of stringing. According to the regulations of the construction operation instruction of stringing (SDXL-ZW-09), the electric power line engineering above 330KV needs to adopt tension for paying off, and an optical cable or a lead cannot be dragged to the ground in the paying off process. But present tension pay-off is that the pay-off section of thick bamboo is direct to be connected with the motor generally, and along with the reduction of cable on the pay-off section of thick bamboo, the external diameter that the cable was rolled up on the pay-off section of thick bamboo also diminishes thereupon, and then makes the unchangeable condition of pay-off section of thick bamboo rotational speed lower the linear velocity and slow down gradually, and cable tension crescent influences the tensile stability of cable.
Disclosure of Invention
The invention aims to provide a cable tension pay-off device, and aims to solve the technical problem that the cable tension stability of the conventional cable tension pay-off device is difficult to control.
In order to achieve the purpose, the invention adopts the technical scheme that: there is provided a cable tension payout device comprising: a support;
the pay-off drum is used for winding a cable, rotating shafts are respectively arranged at two ends of the pay-off drum, a supporting sleeve which is arranged on the bracket in a sliding mode is sleeved on each rotating shaft, and the rotating shafts can rotate in the supporting sleeves;
the tension control rotary drum is rotatably arranged on the bracket, the outer peripheral surface of the tension control rotary drum is in friction contact with the outer peripheral surface of the pay-off drum, the tension control rotary drum is used for controlling the pay-off tension of the cable, and the tension control rotary drum is connected with an output shaft of the motor;
the baffle is arranged on the bracket and positioned on one side of the pay-off drum;
one end of the elastic piece is connected with the baffle, the other end of the elastic piece is connected with the supporting sleeve, and in a free state, the elastic piece pushes the pay-off drum to be in running fit with the tension control rotary drum through the supporting sleeve.
The cable pay-off device comprises a support, a motor and a control device, and further comprises a tension detection device arranged on the support, the tension detection device and the motor are respectively electrically connected with the control device, and the control device adjusts the rotating speed of the motor according to the pay-off tension of a cable.
Further, the bottom of the support is provided with a roller.
Further, the support bottom still is provided with two at least landing legs, the landing leg is including setting up support bottom and opening first sleeve down, set up in first sleeve below and with first sleeve threaded connection's threaded rod and setting are in the base of threaded rod bottom.
Further, a rubber sleeve is sleeved outside the tension control rotary drum.
Furthermore, the outer side wall of the rubber sleeve is provided with anti-skid lines.
Furthermore, two groups of elastic pieces are arranged and are respectively connected with the support sleeve and the baffle; every group the elastic component include with baffle fixed connection's the body of rod, set up support the second sleeve on the cover lateral wall and connect the body of rod with the telescopic spring of second, the free end of the body of rod extends to in the telescopic inner chamber of second, just the free end of the body of rod with the one end of spring is connected, the other end of spring with the bottom surface of second sleeve inner chamber is connected.
Furthermore, one second sleeve free end overcoat is equipped with the third sleeve of being connected with this second sleeve rotation, be provided with on the lateral wall of third sleeve and be used for detecting whether synchronous flexible test bar of two sets of elastic component, the major axis of test bar with the major axis of second sleeve sets up perpendicularly, just the length of test bar is greater than the interval between two second sleeves.
Furthermore, scales which are as long as the second sleeve are arranged on the outer side wall of the second sleeve.
Further, the rod body is detachably connected with the baffle, and the second sleeve is detachably connected with the support sleeve.
The cable tension pay-off device provided by the invention has the beneficial effects that: compared with the prior art, the cable tension pay-off device changes the inherent mode that the pay-off drum is directly connected with the output shaft of the motor, the tension control rotary drum is additionally arranged on the inner side of the pay-off drum, and the linear speed of the outer drum wall of the tension control rotary drum is not changed under the condition that the rotating speed of the motor is not changed because a coil is not wound on the tension control rotary drum, so that the pay-off speed of the cable is not changed along with the reduction of the cable on the pay-off drum, the stability of the pay-off tension of the cable is further ensured, and an operator can conveniently and accurately adjust the pay-off tension of the cable according. Wherein, the setting up of elastic component makes cable on the pay off section of thick bamboo reduce the back, and the external diameter that cable was rolled up on the pay off section of thick bamboo promptly reduces the back, need not the adjustment of operating personnel, and the lateral wall that the cable was rolled up still can with the mutual butt of lateral wall of tension control rotary drum, and then has ensured going on smoothly of unwrapping wire operation and the tensile stability of cable unwrapping wire.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic front view of a cable tension pay-off device according to an embodiment of the present invention;
FIG. 2 is a schematic top view of a cable tension pay-off device according to an embodiment of the present invention;
fig. 3 is a schematic vertical sectional view of an elastic member according to an embodiment of the present invention.
In the figure: 10. a support; 20. a pay-off drum; 30. an elastic member; 31. a rod body; 32. a second sleeve; 33. a spring; 40. a baffle plate; 50. a tension control drum; 60. a tension detection device; 70. a motor; 90. a support leg; 91. a first sleeve; 92. a threaded rod; 93. a base; 11. a roller; 12. a rubber sleeve; 13. calibration; 14. a detection lever; 15. a third sleeve; 21. a rotating shaft; 22. and a support sleeve.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and fig. 2 together, a cable tension releasing device according to an embodiment of the present invention will be described. The cable tension pay-off device comprises a bracket 10; the paying-off drum 20 is used for winding cables, rotating shafts 21 are respectively arranged at two ends of the paying-off drum, a supporting sleeve 22 which is arranged on the support 10 in a sliding mode is sleeved on each rotating shaft 21, and the rotating shafts 21 can rotate in the supporting sleeves 22; the tension control drum 50 is rotatably arranged on the bracket 10, the outer peripheral surface of the tension control drum is in friction contact with the outer peripheral surface of the pay-off drum 20 and is used for controlling the pay-off tension of the cable, and the tension control drum 50 is connected with an output shaft of the motor 70; the baffle 40 is arranged on the bracket 10 and is positioned at one side of the pay-off drum 20; one end of the elastic element 30 is connected with the baffle 40, the other end is connected with the supporting sleeve 22, and in a free state, the elastic element 30 pushes the pay-off drum 20 to be in rotating fit with the tension control drum 50 through the supporting sleeve 22.
During the use, twine the cable to pay off section of thick bamboo 20 on, install pay off section of thick bamboo 20 to support 10 again, install tension control rotary drum 50 to the outside of pay off section of thick bamboo 20 again for tension control rotary drum 50's lateral wall and the lateral wall butt of pay off section of thick bamboo 20 make simultaneously elastic component 30 be in compression state.
When paying off, the motor 70 is started, the tension control drum 50 rotates along with the motor, and the paying off drum 20 rotates along with the tension control drum 50 under the driving of friction force. During the process, the elastic member 30 applies a pushing force to the support sleeve 22 to move in the direction of the tension control drum 50, so that the pay-off drum 20 is always abutted against the tension control drum 50 and rotates along with the tension control drum 50 during the pay-off process.
Compared with the prior art, the cable tension pay-off device provided by the embodiment of the invention changes the inherent mode that the pay-off drum is directly connected with the output shaft of the motor 70, the tension control drum 50 is additionally arranged on the inner side of the pay-off drum 20, and the linear speed of the outer drum wall of the tension control drum 50 is not changed under the condition that the rotating speed of the motor 70 is not changed because a coil is not wound on the tension control drum 50, so that the pay-off speed of the cable is not changed along with the reduction of the cable on the pay-off drum 20, the stability of the pay-off tension of the cable is further ensured, and an operator can conveniently and accurately adjust the pay-off tension of the cable according to. Wherein, the setting up of elastic component 30 makes pay off section of thick bamboo 20 go up the cable and reduces the back, and the external diameter that the cable was rolled up on pay off section of thick bamboo 20 promptly reduces the back, need not the adjustment of operating personnel, and the lateral wall that the cable was rolled up still can with the mutual butt of lateral wall of tension control rotary drum 50, and then has ensured going on smoothly of unwrapping wire operation and the tensile stability of cable unwrapping wire.
In this embodiment, the elastic member 30 may be a spring or other elastic device existing in the market, as long as the cable roll outer diameter of the cable roll sleeved on the pay-off drum 20 is reduced, the pay-off drum 20 is pushed to move toward the tension control drum 50, so that the two are always kept in rolling fit.
As an embodiment of the cable tension releasing device provided by the present invention, please refer to fig. 1 and fig. 2, the cable tension releasing device further includes a tension detecting device 60 disposed on the bracket 10, the tension detecting device 60 and the motor 70 are respectively electrically connected to a control device, and the control device adjusts the rotation speed of the motor 70 according to the cable releasing tension.
During use, the tension detection device 60 monitors the tension of the cable in real time, feeds the detected result of the paying-off tension of the cable back to the control device, and the control device adjusts the rotating speed of the motor 70 according to the paying-off tension of the cable. The automatic adjustment of the cable paying-off tension is realized, the labor intensity of the adjustment of the cable paying-off tension is reduced, and the stability of the cable paying-off tension is ensured.
In this embodiment, the tension detecting device 60 may be a commercially available tension meter capable of measuring the tension of the cable.
Referring to fig. 1, as an embodiment of the cable tension releasing device provided by the present invention, a roller 11 is disposed at the bottom of a bracket 10.
The arrangement of the roller 11 improves the moving convenience of the cable tension pay-off device.
Referring to fig. 1, at least two support legs 90 are further disposed at the bottom of the support 10, and each support leg 90 includes a first sleeve 91 disposed at the bottom of the support 10 and having a downward opening, a threaded rod 92 disposed below the first sleeve 91 and in threaded connection with the first sleeve 91, and a base 93 disposed at the bottom of the threaded rod 92.
In this movement, the threaded rod 92 is screwed into the first sleeve 91 so that the bottom end of the base 93 is higher than the bottom end of the roller 11. When paying out, the threaded rod 92 is screwed outward so that the bottom end of the base 93 is lower than the bottom end of the roller 11.
The arrangement of the supporting legs 90 realizes the fixation of the cable tension pay-off device during pay-off, and ensures the stable pay-off operation. The setting of first sleeve 91 and threaded rod 92 has realized the regulation of interval between base 93 and the support 10, and then has realized the regulation of landing leg 90 height for operating personnel can be according to the cable book external diameter that the overcoat of a pay off section of thick bamboo 20 was established, and the height of adjustment landing leg 90, this setting has effectively increased the breadth of cable tension pay-off application scope and the convenience of height control.
Referring to fig. 1, a rubber sleeve 12 is sleeved outside a tension control drum 50 as an embodiment of the cable tension releasing device provided in the present invention.
The rubber sleeve 12 increases the friction force between the cable sleeved outside the pay-off drum 20 and the tension control drum 50, ensures that the pay-off drum 20 is in rolling fit with the tension control drum 50, and further ensures the controllability of pay-off speed and the stability of pay-off tension; meanwhile, the phenomenon that the cable is flattened when the pay-off drum 20 rolls along with the tension control rotary drum 50 is avoided, and the integrity of the cable in the pay-off process is ensured.
As a specific embodiment of the cable tension pay-off device provided by the present invention, the outer side wall of the rubber sleeve 12 is provided with anti-slip lines.
The arrangement of the anti-slip lines further increases the friction force between the cable sleeved outside the pay-off drum 20 and the tension control drum 50, and ensures the controllability of the pay-off speed and the stability of the pay-off tension.
As an embodiment of the cable tension releasing device according to the present invention, referring to fig. 1 to 3, two sets of elastic members 30 are provided, each of which is connected to one of the supporting sleeves 22 and the baffle 40; each set of elastic members 30 includes a rod 31 fixedly connected to the baffle 40, a second sleeve 32 disposed on the outer side wall of the support sleeve 22, and a spring 33 connecting the rod 31 and the second sleeve 32, wherein a free end of the rod 31 extends into an inner cavity of the second sleeve 32, the free end of the rod 31 is connected to one end of the spring 33, and the other end of the spring 33 is connected to a bottom surface of the inner cavity of the second sleeve 32.
This embodiment has avoided spring 33 to take place the phenomenon of slope or buckling in the use with spring 33 setting in second sleeve 32, and then has ensured that the application of force direction of elastic component 30 is parallel with the major axis of support 10, and has reduced the risk that spring 33 takes place wearing and tearing, corrosion in the use, has guaranteed spring 33 working property's stability and longer life.
Referring to fig. 1 to 3, a third sleeve 15 rotatably connected to the second sleeve 32 is sleeved outside a free end of the second sleeve 32, a detection rod 14 for detecting whether two sets of elastic members 30 are synchronously stretched is arranged on an outer side wall of the third sleeve 15, a long axis of the detection rod 14 is perpendicular to a long axis of the second sleeve 32, and the length of the detection rod 14 is greater than the distance between the two second sleeves 32.
When detecting whether the two elastic members 30 are synchronously stretched, the free end of the detection rod 14 can be placed on the other elastic member 30, and if the placing position of the free end of the detection rod 14 is the same as the position of the fixed end of the detection rod 14, the two elastic members 30 are considered to be synchronously stretched; if the difference between the free end placing position of the detecting rod 14 and the fixed end position of the detecting rod 14 is large, if the free end of the detecting rod 14 is placed on the rod body 31 or the middle part of the second sleeve 32, it is considered that the two elastic members 30 are not synchronously stretched and replaced. This setting has realized the synchronous flexible detection whether of two elastic component 30, and whether the detection of paying out section of thick bamboo 20 both ends respectively with tension control rotary drum 50 abundant butt promptly has effectively ensured paying out section of thick bamboo 20 and tension control rotary drum 50 roll complex stability.
As an embodiment of the cable tension releasing device provided by the present invention, please refer to fig. 2, the outer sidewall of the second sleeve 32 is provided with a scale 13 having the same length as the second sleeve 32.
Whether two elastic component 30 synchronous working of detection that the setting of scale 13 is convenient for operating personnel is more accurate, and the operating personnel of being convenient for in time discovers the problem, adjusts the operating mode, has guaranteed the tensile stability of cable unwrapping wire.
As a specific embodiment of the cable tension releasing device provided by the present invention, the rod 31 is detachably connected to the blocking plate 40, and the second sleeve 32 is detachably connected to the support sleeve 22.
The rod body 31 is detachably connected with the baffle 40, and the second sleeve 32 is detachably connected with the support sleeve 22, so that an operator can conveniently replace the elastic part 30 in time after finding the damage.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811644965.9A CN109693972B (en) | 2018-12-29 | 2018-12-29 | Cable tension pay-off device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811644965.9A CN109693972B (en) | 2018-12-29 | 2018-12-29 | Cable tension pay-off device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109693972A CN109693972A (en) | 2019-04-30 |
| CN109693972B true CN109693972B (en) | 2021-03-16 |
Family
ID=66232653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811644965.9A Active CN109693972B (en) | 2018-12-29 | 2018-12-29 | Cable tension pay-off device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109693972B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115452229B (en) * | 2022-09-21 | 2024-03-08 | 广东电网有限责任公司 | Cable tension detection device |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5213322Y2 (en) * | 1972-10-11 | 1977-03-25 | ||
| CN2591000Y (en) * | 2002-09-27 | 2003-12-10 | 刘飞 | Synchronous uniform velocity winding machine |
| CN200955084Y (en) * | 2007-02-05 | 2007-10-03 | 浙江日发纺织机械有限公司 | Friction roller for conic-tube constant linear-speed winding package |
| DE102012023558A1 (en) * | 2012-12-01 | 2014-06-05 | Saurer Germany Gmbh & Co. Kg | Method for controlling the acceleration of a bobbin drive roller |
| CN204873193U (en) * | 2015-07-02 | 2015-12-16 | 杭州永兴化纤有限公司 | Coiling undercarriage that adds bullet machine |
| CN204957889U (en) * | 2015-09-11 | 2016-01-13 | 郑州纺机自控设备有限公司 | Friction of non -woven fabrics cutting machine unreels mechanical device |
| CN105858332A (en) * | 2016-04-26 | 2016-08-17 | 磐安县科力软管有限公司 | Automatic winding-up device |
| CN205555689U (en) * | 2016-05-03 | 2016-09-07 | 国网江西省电力公司南昌供电分公司 | Convenient to use's cable unwrapping wire ware |
| CN205820541U (en) * | 2016-06-19 | 2016-12-21 | 佛山市洪峰机械有限公司 | A kind of friction side retracting device |
| CN108792779A (en) * | 2017-04-26 | 2018-11-13 | 房县忠意设备有限公司 | A kind of spinning equipment application method |
| CN207061538U (en) * | 2017-06-29 | 2018-03-02 | 阳仁中 | A kind of electric power cable windings frame for building |
-
2018
- 2018-12-29 CN CN201811644965.9A patent/CN109693972B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109693972A (en) | 2019-04-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4611645A (en) | Creel apparatus for electrical wire | |
| CN103818784B (en) | A kind of electric power retractable cable car of adjustable outlet orientation | |
| CN212292346U (en) | Power cable pay-off rack | |
| CN109693972B (en) | Cable tension pay-off device | |
| CN211225771U (en) | Cable paying-off support | |
| CN103771186B (en) | Bus cable device | |
| CN211920399U (en) | Pay-off rack with tension balancing function | |
| CN104003252B (en) | Winding system for air-covered yarn machine | |
| CN205882648U (en) | Cable -placing device | |
| CN208335871U (en) | A kind of winding machine being convenient for changing empire cloth coil | |
| CN108711785A (en) | Cable drum carriage | |
| CN208883120U (en) | A kind of coil diameter detection automatic stop arrangement | |
| CN205555689U (en) | Convenient to use's cable unwrapping wire ware | |
| CN211100870U (en) | Wire tension detection device of wire drawing machine | |
| CN210558665U (en) | Wire winding and unwinding device | |
| CN205527032U (en) | Coiling and uncoiling device clamping machine constructs | |
| CN209082962U (en) | The roll device of Lifting basket equipment | |
| CN203582133U (en) | Reel pay-off stand | |
| CN207329947U (en) | A kind of cable unwinding device | |
| CN111675015B (en) | A high-stability cable laying support | |
| CN213475049U (en) | Water level measuring device for deep water level | |
| CN110203729B (en) | A tape unwinding machine with active deviation correction | |
| CN222249468U (en) | A mobile tension-adjustable ground-climbing wire-laying mechanism | |
| CN112174003A (en) | Winding installation mechanism for electric hoist | |
| CN221955565U (en) | A wire laying device for electric power construction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |