CN111725739B - Novel overhead paying-off tool for guaranteeing consistent sag in distribution network engineering construction - Google Patents
Novel overhead paying-off tool for guaranteeing consistent sag in distribution network engineering construction Download PDFInfo
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- CN111725739B CN111725739B CN202010445143.9A CN202010445143A CN111725739B CN 111725739 B CN111725739 B CN 111725739B CN 202010445143 A CN202010445143 A CN 202010445143A CN 111725739 B CN111725739 B CN 111725739B
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- rolling shaft
- chucks
- wire
- sag
- distribution network
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- 238000010276 construction Methods 0.000 title claims abstract description 24
- 238000005096 rolling process Methods 0.000 claims abstract description 49
- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 238000004804 winding Methods 0.000 claims description 15
- 230000009471 action Effects 0.000 abstract description 5
- 239000004020 conductor Substances 0.000 description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
- H02G1/04—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables for mounting or stretching
-
- 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
Abstract
The invention discloses a novel overhead wire releasing tool for ensuring consistent sag in distribution network engineering construction, which comprises a rolling shaft, wherein the rolling shaft is arranged on the upper part of the rolling shaft; the two chucks are symmetrically arranged on the left side and the right side of the rolling shaft, the two fixing supports are symmetrically arranged on the left side and the right side of the rolling shaft, the fixing supports are positioned on the outer sides of the chucks, the chucks are fixedly connected with the fixing supports through fixing shafts, and the left end and the right end of the rolling shaft are respectively rotatably connected with the two chucks; two locking mechanisms are symmetrically arranged between the two chucks and are respectively positioned at the upper side and the lower side of the rolling shaft. According to the invention, two locking mechanisms are symmetrically arranged between two chucks and are respectively positioned at the upper side and the lower side of a rolling shaft, the length of a wire is recorded during paying off by using a wire length counter, and after a preset paying-off length value is reached, the locking mechanisms are controlled by a wire length limiter to limit and fix the wire, so that the wire cannot be pulled again under the action of external force.
Description
Technical Field
The invention relates to the technical field of pay-off racks, in particular to a novel overhead pay-off tool for guaranteeing consistent sag in distribution network engineering construction.
Background
In recent years, along with the rapid development of economy, the scale of urban and rural construction is continuously enlarged, the power consumption demand is increased day by day, the requirements of users on power supply reliability and goodness are continuously increased, and the requirements are brought about that the investment of distribution network engineering is continuously increased, the quantity of the distribution network engineering is continuously increased, and further the functions of the distribution network engineering, such as construction technical standards, process quality, construction specifications and the like, are gradually refined and perfected. Found in the construction practice process of many years, when carrying out the unwrapping wire to overhead conductor through traditional winch machine or the manual form of pure people, can cause three wire length of every two adjacent base poles (tower) different, further can form the three-phase sag inconsistent, according to the overhead conductor standard: during the operation of the overhead line, the sag stresses of three-phase conductors are consistent, the error does not exceed the designed value of-5% to +10%, and the sag difference of each phase of conductor in the span does not exceed 50 mm. If the wire diameters of the three-phase wires are inconsistent, the following hidden troubles can be caused:
1. the arc sag of the lead is inconsistent, so that the wind swing of the lead is different in windy weather, and the short circuit fault of the circuit degree is easily caused;
2. because the wire diameters are different, the wire tensions are different, and horizontal stress is not uniform, the cross arm can be bent or rotate in the direction with small stress.
Therefore, aiming at the current situation, a novel overhead wire releasing tool for ensuring consistent sag in distribution network engineering construction is urgently needed to be developed so as to overcome the defects in the current practical application.
Disclosure of Invention
The invention aims to provide a novel overhead wire releasing tool for ensuring consistent sag in distribution network engineering construction, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a novel overhead wire laying tool for ensuring consistent sag in distribution network engineering construction comprises a rolling shaft; the two chucks are symmetrically arranged on the left side and the right side of the rolling shaft, the two fixing supports are symmetrically arranged on the left side and the right side of the rolling shaft, the fixing supports are positioned on the outer sides of the chucks, the chucks are fixedly connected with the fixing supports through fixing shafts, and the left end and the right end of the rolling shaft are respectively rotatably connected with the two chucks; two locking mechanisms are symmetrically arranged between the two chucks and are respectively positioned at the upper side and the lower side of the rolling shaft.
As a further scheme of the invention: and a wire length limiter and a wire length counter are fixedly arranged on the fixed shaft on the right side.
As a further scheme of the invention: the locking mechanism comprises a fixed seat fixedly arranged between the two chucks and a sliding clamping plate arranged in the fixed seat in a sliding manner, and the sliding clamping plate is arranged towards the rolling shaft; the inside of fixing base is rotated and is installed adjusting screw, and the inside of fixing base still is provided with adjusts the swivel nut, adjusts the downside and the slip cardboard fixed connection of swivel nut, adjusts the upside and the adjusting screw threaded connection of swivel nut, and adjusts swivel nut and fixing base sliding connection.
As a further scheme of the invention: the wire length limiter is electrically connected with the wire length counter and is also in control connection with the driving motor.
As a further scheme of the invention: and one side of the sliding clamping plate, which faces the rolling shaft, is uniformly provided with a plurality of clamping grooves.
As a further scheme of the invention: the outer side of the rolling shaft is uniformly provided with winding rings, the winding rings are of circular ring structures formed by splicing a plurality of arc-shaped plates, and the winding rings are fixedly connected with the rolling shaft through a connecting mechanism.
As a further scheme of the invention: coupling mechanism includes a plurality of fixed mounting at the second connecting sleeve in the roll axis outside and fixed mounting at the inboard first connecting sleeve of wire winding ring, first connecting sleeve and second connecting sleeve one-to-one, and is provided with the main connecting rod between first connecting sleeve and the second connecting sleeve, main spout has all been seted up to first connecting sleeve and second connecting sleeve's inside, and the both ends of main connecting rod are slidable mounting respectively in the inside of two main spouts, and through coupling spring respectively in first connecting sleeve and second connecting sleeve fixed connection.
As a further scheme of the invention: still seted up supplementary spout on first connecting sleeve and the second connecting sleeve's the inner wall, the outside fixed mounting of main connecting rod has the slider of mutually supporting with supplementary spout.
As a further scheme of the invention: two auxiliary connecting rods are symmetrically and fixedly mounted on the left side and the right side of the second connecting sleeve, and the telescopic ends of the auxiliary connecting rods are hinged to the inner sides of the arc-shaped plates.
As a further scheme of the invention: the auxiliary connecting rod is of a telescopic rod structure.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, two locking mechanisms are symmetrically arranged between two chucks and are respectively positioned at the upper side and the lower side of a rolling shaft, the length of a wire is recorded during paying off by using a wire length counter, and after a preset paying-off length value is reached, the locking mechanisms are controlled by a wire length limiter to limit and fix the wire, so that the wire cannot be pulled again under the action of external force.
Drawings
Fig. 1 is a schematic structural view of a novel overhead wire releasing tool for ensuring consistent sag in distribution network engineering construction.
Fig. 2 is a schematic structural view of embodiment 2 in a novel overhead wire laying tool for ensuring consistent sag in distribution network engineering construction.
Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.
Fig. 4 is a schematic structural diagram of a sliding clamping plate in a novel overhead wire laying tool for ensuring consistent sag in distribution network engineering construction.
Fig. 5 is a control block diagram of a wire length limiter in a novel overhead wire laying tool for ensuring consistent sag in distribution network engineering construction.
FIG. 6 is a side view of a novel overhead paying out tool embodiment 3 for ensuring consistent sag in distribution network engineering construction.
Fig. 7 is a partially enlarged schematic view of a portion B in fig. 6.
In the figure: 1-a fixed support, 2-a chuck, 3-a fixed shaft, 4-a locking mechanism, 401-a fixed seat, 402-a sliding clamping plate, 403-an adjusting screw sleeve, 404-an adjusting screw rod, 405-a driving motor, 406-a clamping groove, 5-a rolling shaft, 501-an arc plate, 502-a first connecting sleeve, 503-an auxiliary connecting rod, 504-a second connecting sleeve, 505-a main connecting rod, 506-a main sliding groove, 507-an auxiliary sliding groove, 508-a sliding block, 509-a connecting spring, a 6-lead length limiter and a 7-lead length counter.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Example 1
Referring to fig. 1, in the embodiment of the present invention, a novel overhead paying-off tool for ensuring consistent sag in distribution network engineering construction includes a rolling shaft 5; the two chucks 2 are symmetrically arranged on the left side and the right side of the rolling shaft 5, the two fixing supports 1 are symmetrically arranged on the left side and the right side of the rolling shaft 5, the fixing supports 1 are positioned on the outer sides of the chucks 2, the chucks 2 are fixedly connected with the fixing supports 1 through fixing shafts 3, and the left end and the right end of the rolling shaft 5 are respectively rotatably connected with the two chucks 2; two locking mechanisms 4 are symmetrically arranged between the two chucks 2, the two locking mechanisms 4 are respectively positioned on the upper side and the lower side of the rolling shaft 5, and after the wire reaches a preset length value during paying off, the wire is limited and fixed through the locking mechanisms 4, so that the wire cannot be pulled again under the action of external force;
and a wire length limiter 6 and a wire length counter 7 are fixedly mounted on the right-side fixing shaft 3, the wire length counter 7 records the length of the wire during paying off, and after the wire paying off preset length value is reached, the wire length limiter 6 controls the locking mechanism 4 to fix the wire.
Example 2
Referring to fig. 1, in the embodiment of the present invention, a novel overhead paying-off tool for ensuring consistent sag in distribution network engineering construction includes a rolling shaft 5; the two chucks 2 are symmetrically arranged on the left side and the right side of the rolling shaft 5, the two fixing supports 1 are symmetrically arranged on the left side and the right side of the rolling shaft 5, the fixing supports 1 are positioned on the outer sides of the chucks 2, the chucks 2 are fixedly connected with the fixing supports 1 through fixing shafts 3, and the left end and the right end of the rolling shaft 5 are respectively rotatably connected with the two chucks 2; two locking mechanisms 4 are symmetrically arranged between the two chucks 2, the two locking mechanisms 4 are respectively positioned on the upper side and the lower side of the rolling shaft 5, and after the wire reaches a preset length value during paying off, the wire is limited and fixed through the locking mechanisms 4, so that the wire cannot be pulled again under the action of external force;
and a wire length limiter 6 and a wire length counter 7 are fixedly mounted on the right-side fixing shaft 3, the wire length counter 7 records the length of the wire during paying off, and after the wire paying off preset length value is reached, the wire length limiter 6 controls the locking mechanism 4 to fix the wire.
Referring to fig. 2-5, the present embodiment is different from embodiment 1 in that:
the locking mechanism 4 comprises a fixed seat 401 fixedly arranged between the two chucks 2 and a sliding clamping plate 402 slidably arranged in the fixed seat 401, and the sliding clamping plate 402 is arranged towards the rolling shaft 5; an adjusting screw 404 is rotatably mounted inside the fixed seat 401, an adjusting threaded sleeve 403 is further arranged inside the fixed seat 401, the lower side of the adjusting threaded sleeve 403 is fixedly connected with the sliding clamping plate 402, the upper side of the adjusting threaded sleeve 403 is in threaded connection with the adjusting screw 404, the adjusting threaded sleeve 403 is in sliding connection with the fixed seat 401, the adjusting threaded sleeve 403 is driven to slide up and down by rotating the adjusting screw 404, the sliding clamping plate 402 is further driven to slide up and down, and the wires are extruded and fixed when the sliding clamping plate 402 slides down;
specifically, in this embodiment, a driving motor 405 for driving the adjusting screw 404 to rotate is fixedly installed on the fixing base 401, the wire length limiter 6 is electrically connected to the wire length counter 7, the wire length limiter 6 is further connected to the driving motor 405 in a control manner, and when the wire is paid out to reach a certain length, the wire length counter 7 reaches a preset value and controls the locking mechanism 4 to fix the wire through the wire length limiter 6;
specifically, in this embodiment, a plurality of slots 406 are uniformly formed on one side of the sliding clamping plate 402 facing the rolling shaft 405, for fixing the wires.
Example 3
Referring to fig. 1, in the embodiment of the present invention, a novel overhead paying-off tool for ensuring consistent sag in distribution network engineering construction includes a rolling shaft 5; the two chucks 2 are symmetrically arranged on the left side and the right side of the rolling shaft 5, the two fixing supports 1 are symmetrically arranged on the left side and the right side of the rolling shaft 5, the fixing supports 1 are positioned on the outer sides of the chucks 2, the chucks 2 are fixedly connected with the fixing supports 1 through fixing shafts 3, and the left end and the right end of the rolling shaft 5 are respectively rotatably connected with the two chucks 2; two locking mechanisms 4 are symmetrically arranged between the two chucks 2, the two locking mechanisms 4 are respectively positioned on the upper side and the lower side of the rolling shaft 5, and after the wire reaches a preset length value during paying off, the wire is limited and fixed through the locking mechanisms 4, so that the wire cannot be pulled again under the action of external force;
and a wire length limiter 6 and a wire length counter 7 are fixedly mounted on the right-side fixing shaft 3, the wire length counter 7 records the length of the wire during paying off, and after the wire paying off preset length value is reached, the wire length limiter 6 controls the locking mechanism 4 to fix the wire.
Referring to fig. 2-5, embodiment 2 differs from embodiment 1 in that:
the locking mechanism 4 comprises a fixed seat 401 fixedly arranged between the two chucks 2 and a sliding clamping plate 402 slidably arranged in the fixed seat 401, and the sliding clamping plate 402 is arranged towards the rolling shaft 5; an adjusting screw 404 is rotatably mounted inside the fixed seat 401, an adjusting threaded sleeve 403 is further arranged inside the fixed seat 401, the lower side of the adjusting threaded sleeve 403 is fixedly connected with the sliding clamping plate 402, the upper side of the adjusting threaded sleeve 403 is in threaded connection with the adjusting screw 404, the adjusting threaded sleeve 403 is in sliding connection with the fixed seat 401, the adjusting threaded sleeve 403 is driven to slide up and down by rotating the adjusting screw 404, the sliding clamping plate 402 is further driven to slide up and down, and the wires are extruded and fixed when the sliding clamping plate 402 slides down;
specifically, in this embodiment, a driving motor 405 for driving the adjusting screw 404 to rotate is fixedly installed on the fixing base 401, the wire length limiter 6 is electrically connected to the wire length counter 7, the wire length limiter 6 is further connected to the driving motor 405 in a control manner, and when the wire is paid out to reach a certain length, the wire length counter 7 reaches a preset value and controls the locking mechanism 4 to fix the wire through the wire length limiter 6;
specifically, in this embodiment, a plurality of slots 406 are uniformly formed on one side of the sliding clamping plate 402 facing the rolling shaft 405, for fixing the wires.
Referring to fig. 6-7, the difference between the present embodiment and the embodiments 1-2 is:
the outer side of the rolling shaft 5 is uniformly provided with winding rings, each winding ring is of a circular ring structure formed by splicing a plurality of arc-shaped plates 501, and the winding rings are fixedly connected with the rolling shaft 5 through a connecting mechanism; the connecting mechanism comprises a plurality of second connecting sleeves 504 fixedly arranged on the outer side of the rolling shaft 5 and first connecting sleeves 502 fixedly arranged on the inner side of the winding ring, the first connecting sleeves 502 correspond to the second connecting sleeves 504 one by one, a main connecting rod 505 is arranged between the first connecting sleeves 502 and the second connecting sleeves 504, main sliding grooves 506 are formed in the first connecting sleeves 502 and the second connecting sleeves 504, two ends of the main connecting rod 505 are respectively and slidably arranged in the two main sliding grooves 506, and the first connecting sleeves 502 and the second connecting sleeves 504 are respectively and fixedly connected through a connecting spring 509, so that the connecting mechanism has certain flexibility, the winding ring has tension, a wire can be kept to be tightly attached to the outer side of the winding ring, and the working accuracy of the wire length counter 7 is improved;
specifically, in this embodiment, the inner walls of the first connecting sleeve 502 and the second connecting sleeve 504 are further provided with an auxiliary sliding groove 507, and the outer side of the main connecting rod 505 is fixedly provided with a sliding block 508 which is matched with the auxiliary sliding groove 507;
specifically, in this embodiment, two auxiliary connecting rods 503 are symmetrically and fixedly mounted on the left side and the right side of the second connecting sleeve 504, the auxiliary connecting rods 503 are telescopic rod structures, and the telescopic ends of the auxiliary connecting rods 503 are hinged to the inner sides of the arc-shaped plates 501, so that the winding rings are prevented from falling off.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several variations and modifications without departing from the concept of the present invention, and these should be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent.
Claims (5)
1. A novel overhead wire laying tool for ensuring consistent sag in distribution network engineering construction comprises a rolling shaft (5); the left and right sides symmetry of roll axis (5) is provided with two chucks (2), and the left and right sides of roll axis (5) still symmetry is provided with two fixed bolster (1), and fixed bolster (1) is located the outside of chuck (2), its characterized in that:
the chuck (2) is fixedly connected with the fixed support (1) through a fixed shaft (3), and a wire length limiter (6) and a wire length counter (7) are fixedly installed on the fixed shaft (3) on the right side;
the left end and the right end of the rolling shaft (5) are respectively in rotating connection with the two chucks (2), two locking mechanisms (4) are symmetrically arranged between the two chucks (2), and the two locking mechanisms (4) are respectively positioned at the upper side and the lower side of the rolling shaft (5);
the locking mechanism (4) comprises a fixed seat (401) fixedly arranged between the two chucks (2) and a sliding clamping plate (402) slidably arranged in the fixed seat (401), and the sliding clamping plate (402) is arranged towards the rolling shaft (5); an adjusting screw rod (404) is rotatably mounted inside the fixed seat (401), an adjusting threaded sleeve (403) is further arranged inside the fixed seat (401), the lower side of the adjusting threaded sleeve (403) is fixedly connected with the sliding clamping plate (402), the upper side of the adjusting threaded sleeve (403) is in threaded connection with the adjusting screw rod (404), and the adjusting threaded sleeve (403) is in sliding connection with the fixed seat (401);
a driving motor (405) for driving the adjusting screw rod (404) to rotate is fixedly installed on the fixed seat (401), the lead length limiter (6) is electrically connected with the lead length counter (7), and the lead length limiter (6) is further in control connection with the driving motor (405);
the outer side of the rolling shaft (5) is uniformly provided with winding rings, the winding rings are of circular ring structures formed by splicing a plurality of arc-shaped plates (501), and the winding rings are fixedly connected with the rolling shaft (5) through a connecting mechanism;
the connecting mechanism comprises a plurality of second connecting sleeves (504) fixedly mounted on the outer side of the rolling shaft (5) and first connecting sleeves (502) fixedly mounted on the inner side of the winding ring, the first connecting sleeves (502) and the second connecting sleeves (504) are in one-to-one correspondence, main connecting rods (505) are arranged between the first connecting sleeves (502) and the second connecting sleeves (504), main sliding grooves (506) are formed in the first connecting sleeves (502) and the second connecting sleeves (504), two ends of each main connecting rod (505) are slidably mounted in the two main sliding grooves (506) respectively, and are fixedly connected with the first connecting sleeves (502) and the second connecting sleeves (504) respectively through connecting springs (509).
2. The novel overhead wire laying tool for ensuring consistent sag in distribution network engineering construction according to claim 1, wherein a plurality of clamping grooves (406) are uniformly formed in one side, facing the rolling shaft (5), of the sliding clamping plate (402).
3. The novel overhead wire releasing tool for ensuring consistent sag in distribution network engineering construction according to claim 1, wherein the inner walls of the first connecting sleeve (502) and the second connecting sleeve (504) are further provided with auxiliary sliding grooves (507), and sliding blocks (508) matched with the auxiliary sliding grooves (507) are fixedly mounted on the outer sides of the main connecting rods (505).
4. The novel overhead wire laying tool capable of guaranteeing consistent sag in distribution network engineering construction according to claim 3, wherein two auxiliary connecting rods (503) are symmetrically and fixedly mounted on the left side and the right side of the second connecting sleeve (504), and the telescopic ends of the auxiliary connecting rods (503) are hinged to the inner sides of the arc-shaped plates (501).
5. The novel overhead wire laying tool capable of guaranteeing consistent sag for distribution network engineering construction according to claim 4, wherein the auxiliary connecting rod (503) is of a telescopic rod structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010445143.9A CN111725739B (en) | 2020-05-23 | 2020-05-23 | Novel overhead paying-off tool for guaranteeing consistent sag in distribution network engineering construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010445143.9A CN111725739B (en) | 2020-05-23 | 2020-05-23 | Novel overhead paying-off tool for guaranteeing consistent sag in distribution network engineering construction |
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| Publication Number | Publication Date |
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| CN111725739A CN111725739A (en) | 2020-09-29 |
| CN111725739B true CN111725739B (en) | 2021-10-15 |
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| CN202010445143.9A Active CN111725739B (en) | 2020-05-23 | 2020-05-23 | Novel overhead paying-off tool for guaranteeing consistent sag in distribution network engineering construction |
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Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102361264A (en) * | 2011-11-01 | 2012-02-22 | 山东电力集团公司德州供电公司 | One-way wire unwinding device |
| DE202012101380U1 (en) * | 2012-04-16 | 2012-06-15 | Fernsteuergeräte Kurt Oelsch GmbH | Cable length sensor |
| KR101266164B1 (en) * | 2013-01-15 | 2013-05-21 | (주)선운 이앤지 | Measuring system for insuring safety distenance of overhead transmission line and its method for producing 3d simulation |
| CN203251021U (en) * | 2013-07-31 | 2013-10-23 | 国家电网公司 | Paying-off tackle clamping device |
| CN205471986U (en) * | 2016-01-13 | 2016-08-17 | 赵东星 | Portable direction type drawing drum |
| CN206712346U (en) * | 2017-04-20 | 2017-12-05 | 国网天津市电力公司 | It is automatic to count releasing pulley |
| CN206827835U (en) * | 2017-06-01 | 2018-01-02 | 泉州装备制造研究所 | A kind of combination unit for power transmission and transformation installation |
| CN108116939A (en) * | 2017-12-13 | 2018-06-05 | 新昌县绿松科技有限公司 | A kind of new type yarn cylinder |
| CN208249584U (en) * | 2018-05-17 | 2018-12-18 | 袁晨榕 | A kind of power construction drawing cable line apparatus |
| CN208747391U (en) * | 2018-09-13 | 2019-04-16 | 建业电缆集团有限公司 | Cable paying out machine brake gear |
| CN109650184A (en) * | 2018-12-14 | 2019-04-19 | 湖州格雷电力电缆有限公司 | A kind of cable paying-off device |
| CN110282485B (en) * | 2019-06-28 | 2020-12-22 | 国网四川省电力公司自贡供电公司 | Convenient pay-off of many cables |
| CN210594614U (en) * | 2019-09-29 | 2020-05-22 | 北京赛尔克瑞特电工有限公司 | Shaftless lift paying out machine |
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2020
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