CN203747346U - Apparatus for accurately controlling pulling force of inclined pulling line - Google Patents

Apparatus for accurately controlling pulling force of inclined pulling line Download PDF

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Publication number
CN203747346U
CN203747346U CN201420110874.8U CN201420110874U CN203747346U CN 203747346 U CN203747346 U CN 203747346U CN 201420110874 U CN201420110874 U CN 201420110874U CN 203747346 U CN203747346 U CN 203747346U
Authority
CN
China
Prior art keywords
slide
pulling force
pulling
pulling cylinder
steel strand
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.)
Expired - Fee Related
Application number
CN201420110874.8U
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Chinese (zh)
Inventor
范辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Electric Power Research Institute of State Grid Hebei Electric Power Co Ltd
Hebei Electric Power Construction Adjustment Test Institute
Original Assignee
Electric Power Research Institute of State Grid Hebei Electric Power Co Ltd
Hebei Electric Power Construction Adjustment Test Institute
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Electric Power Research Institute of State Grid Hebei Electric Power Co Ltd, Hebei Electric Power Construction Adjustment Test Institute filed Critical Electric Power Research Institute of State Grid Hebei Electric Power Co Ltd
Priority to CN201420110874.8U priority Critical patent/CN203747346U/en
Application granted granted Critical
Publication of CN203747346U publication Critical patent/CN203747346U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to an apparatus for accurately controlling the pulling force of an inclined pulling line. The apparatus comprises a pulling cylinder with one enclosed end, a pressing plate for pressing a compressed spring in the pulling cylinder, and a pulling cylinder cover fixedly disposed on the pulling cylinder. The enclosed end of the pulling cylinder is provided with a lead wire pipe. The pulling cylinder cover is equipped with a wire pipe corresponding to the lead wire pipe. A baffle plate is arranged on the inner side of the pulling cylinder. The pressing plate is fixedly connected with a top steel strand wire passing through the lead wire pipe. The baffle plate is fixedly connected with a bottom steel strand wire passing through the wire pipe. An observation hole is arranged on the wall of the pulling cylinder. A scale indicative of the position of the pressing plate is disposed on the outer wall of the pulling cylinder. The observation hole is provided with a transparent cover plate. A chute in parallel with the scale is fixedly arranged on the outer wall of the pulling cylinder. A slide block is embedded in the chute and is fixed in the chute through a screw rod. The slide block can be located at a corresponding position according to an actual condition. The reasonable pulling force range of each reinforcing device can be marked in a customized manner and simple and visualized operation is achieved.

Description

A kind of device of accurate control lateral conductor pulling force
Technical field
The utility model relates to a kind of lateral conductor, especially a kind of device of accurate control lateral conductor pulling force.
Background technology
Concrete wire pole is generally application in mesolow transmission line, at transmission line starting point bar, terminal rod, flex point, the line bar that the electric pole of equipment is installed and surpasses best span, all be provided with lateral conductor, after transmission line completes, a lot of lateral conductors perform practically no function for various reasons, do not play the effect at the beginning of design, lax lateral conductor changes into the burden for being in the way at all.
At the beginning of design, lateral conductor is for the unbalanced problem of balanced line masthead end power transmission cable pulling force, debugging lateral conductor effect through workmen at the beginning of construction is qualified, after of long duration due to the natural subsidence of line bar, the stressed meeting of the reason lateral conductors such as natural deformation of power transmission cable slowly change, lateral conductor just performs practically no function and does not have due effect at all, and maintainer discovers less than these slight changes according to naked eyes and feel at all, the lateral conductor of rigidity can not adapt to the variation of pulling force.After line bar itself or cable bear a heavy burden and change, the pulling force of lateral conductor will pulling force adjustment.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of device of accurate control lateral conductor pulling force.
The utility model adopts following technical scheme:
The utility model relates to a kind of device of accurate control lateral conductor pulling force, the slide that comprises one end sealing, stage clip is pressed and put the pressing plate in slide, be fixedly installed on the slide lid on slide, described slide blind end is provided with fairlead, described slide lid is provided with the conduit corresponding with fairlead, described slide covers in slide inner side and is provided with baffle plate, described pressing plate is fixedly connected with the upper steel strand wire through fairlead, described baffle plate is fixedly connected with the lower steel strand wire through conduit, described slide barrel is provided with inspection hole, described slide outer wall is provided with the scale that is used to indicate press plate position, described inspection hole is provided with transparent cover plate, described slide outer wall is fixedly installed the chute parallel with scale, in described chute, be equipped with slide block, described slide block is fixed in chute by screw rod.
Furtherly, between described fairlead and slide, be provided with reinforcement gusset, between described conduit and slide lid, be provided with reinforcement gusset.
Furtherly, described fairlead inwall is provided with rubber seal, and described slide lid is provided with two with upper vent hole.
Furtherly, the described upper steel strand wire other end is fixedly connected with guy insulator, and the described lower steel strand wire other end is fixedly connected with wire clamp.
The utility model good effect is as follows:
The utility model is installed the slide of embedded stage clip on the steel strand wire between guy insulator and wire clamp, when online bar stress balance changes, the elastic force of stage clip can make up, the scale of inspection hole side can be seen the pulling force size that lateral conductor is real-time accurately, with after normal value contrast, just can know that pulling force is whether in normal range (NR), excessive or too smallly can make pulling force recover normal by wire clamp, transparent cover plate can make to keep sealing in slide, also can not affect the position of observing pressing plate, because the size of the different pulling force of the service condition of lateral conductor is different with pulling force safe range, staff also will contrast after reading pulling force data, after being set, slide block can be set to according to actual situation corresponding position, the rational weight range of personalized each reinforcing device of sign, simple and direct-viewing operation.
When the pulling force being subject to when lateral conductor increases, stage clip shortens can provide larger pulling force, although lateral conductor is elongated, but in the tolerance range that the very little online rod of this variation becomes, when line bar tilts to lateral conductor, lateral conductor pulling force can not disappear, but although stage clip is elongated, also can provide pulling force, avoid the drawback of the lateral conductor of rigidity; Lateral conductor can be for line bar provides pulling force in wider and degree like this, for the safe operation of electrical network has, increases a insurance.
Arrange and strengthen the intensity that gusset can increase slide, sealing ring can avoid rainwater to enter in slide, and air vent hole can be discharged the steam entering in slide outside slide.
Accompanying drawing explanation
Accompanying drawing 1 is the utility model structural representation;
Accompanying drawing 2 is A-A cross section structure schematic diagram in the utility model Fig. 1;
Accompanying drawing 3 is the utility model slide structural representation;
Accompanying drawing 4 is the utility model sliding groove structure schematic diagram;
Accompanying drawing 5 is the utility model use status architecture schematic diagram;
In the accompanying drawings: steel strand wire on 1 slide, 2 stage clips, 3 pressing plates, 4 slide lids, 5 fairleads, 6 conduits, 7 baffle plates, 8 steel strand wire, 81,82 times steel strand wire, 9 are strengthened gussets, 10 rubber seal, 11 air vent holes, 12 anchor ears, 13 guy insulators, 14 wire clamps, 15 distaffs, 16 earth anchors, 17 inspection holes, 18 scales, 19 cover plates, 20 chutes, 21 slide blocks, 22 screw rods.
Embodiment
As accompanying drawing 1, 2, 3, shown in 4, the device of a kind of accurate control lateral conductor pulling force of the utility model, the slide 1 that comprises one end sealing, stage clip 2 is pressed and put the pressing plate 3 in slide 1, be fixedly installed on the slide lid 4 on slide 1, described slide 1 blind end is provided with fairlead 5, described slide lid 4 is provided with the conduit corresponding with fairlead 56, described slide lid 4 is provided with baffle plate 7 in slide 1 inner side, described pressing plate 3 is fixedly connected with the upper steel strand wire 81 through fairlead 5, described baffle plate 7 is fixedly connected with the lower steel strand wire 82 through conduit 6, described slide 1 barrel is provided with inspection hole 17, described slide 1 outer wall is provided with the scale 18 that is used to indicate pressing plate 3 positions, described inspection hole 17 is provided with transparent cover plate 19, described slide 1 outer wall is fixedly installed the chute parallel with scale 18 20, in described chute 20, be equipped with slide block 21, described slide block 21 is fixed in chute 20 by screw rod 22.
The utility model is installed the slide of embedded stage clip on the steel strand wire between guy insulator and wire clamp, when online bar stress balance changes, the elastic force of stage clip can make up, the scale of inspection hole side can be seen the pulling force size that lateral conductor is real-time accurately, with after normal value contrast, just can know that pulling force is whether in normal range (NR), excessive or too smallly can make pulling force recover normal by wire clamp, transparent cover plate can make to keep sealing in slide, also can not affect the position of observing pressing plate, transparent cover plate can make to keep sealing in slide, also can not affect the position of observing pressing plate, because the size of the different pulling force of the service condition of lateral conductor is different with pulling force safe range, staff also will contrast after reading pulling force data, after being set, slide block 21 can be set to according to actual situation corresponding position, the rational weight range of personalized each reinforcing device of sign, simple and direct-viewing operation.As shown in Figure 3, after lateral conductor installs, after the position of pressing plate 3 is fixing, by the center line alignment pressing plate 3 of slide block 21, screwing screw rod 22 can be fixed on slide block 21 in chute 20, in order to identify the safe range of pressing plate 3.
When the pulling force being subject to when lateral conductor increases, stage clip shortens can provide larger pulling force, although lateral conductor is elongated, but in the tolerance range that the very little online rod of this variation becomes, when line bar tilts to lateral conductor, lateral conductor pulling force can not disappear, but although stage clip is elongated, also can provide pulling force, avoid the drawback of the lateral conductor of rigidity; Lateral conductor can be for line bar provides pulling force in wider and degree like this, for the safe operation of electrical network has, increases a insurance.
On inspection hole 17, be provided with transparent cover plate 19, can keep the sealing in slide 1 like this, also do not affect observation, inspection hole 17 can be seen the position of pressing plate 3 intuitively, according to scale default on scale, can directly read the elastic force that stage clip 2 provides, thereby learn the pulling force that lateral conductor provides to line bar, when workman reads corresponding readings in maintenance, according to the normal data contrast of design, whether the pulling force that can learn lateral conductor is normal, excessive or too small can the adjusting by wire clamp 14 of pulling force, makes pulling force return to normal range (NR).
Between described fairlead 5 and slide 1, be provided with and strengthen gusset 9, between described conduit 6 and slide lid 4, be provided with and strengthen gusset 9, reinforcement gusset is all set between different stress surfaces.
Described fairlead inwall is provided with rubber seal 10, and described slide lid is provided with two with upper vent hole 11.
Described upper steel strand wire 81 other ends are fixedly connected with guy insulator 13, and described lower steel strand wire 82 other ends are fixedly connected with wire clamp 14.Steel strand wire 8 enter slide 1 through fairlead 5, rubber seal 10 can stop that the rainwater on steel strand wire 8 enters slide 1, but rainwater can prolong the gap of steel strand wire 8 to be entered in slide 1, air vent hole 11 can be accelerated discharge and the diffusion of moisture, avoids the damage of water to device.
Lateral conductor is when being subject to clashing, and stage clip can weaken the conduction of impact, slowly discharges the impulsive force of clashing into, and can increase the impact resistance of lateral conductor, promotes the stability of transmission system.
As shown in Figure 5; the utility model is when application; erection sequence is from top to bottom: anchor ear 12, guy insulator 13, reinforcing device, wire clamp 14, distaff 15 and earth anchor 16; the lateral conductor installing insulating protection tube of 2 meters high on whole lateral conductor ground; prevent that facility is damaged and prevent from causing electric shock accidents after electric leakage, because lateral conductor is tiny, so the outer wall that is difficult for being found at protection tube at night arranges reflecting strips and phosphor strip; remind passerby to note, avoid unexpected.

Claims (4)

1. a device of accurately controlling lateral conductor pulling force, it is characterized in that: it comprises the slide (1) of one end sealing, stage clip (2) is pressed and put the pressing plate (3) in slide (1), be fixedly installed on the slide lid (4) on slide (1), described slide (1) blind end is provided with fairlead (5), described slide lid (4) is provided with the conduit (6) corresponding with fairlead (5), described slide lid (4) is provided with baffle plate (7) in slide (1) inner side, described pressing plate (3) is fixedly connected with the upper steel strand wire (81) through fairlead (5), described baffle plate (7) is fixedly connected with the lower steel strand wire (82) through conduit (6), described slide (1) barrel is provided with inspection hole (17), described slide (1) outer wall is provided with the scale (18) that is used to indicate pressing plate (3) position, described inspection hole (17) is provided with transparent cover plate (19), described slide (1) outer wall is fixedly installed the chute (20) parallel with scale (18), in described chute (20), be equipped with slide block (21), described slide block (21) is fixed in chute (20) by screw rod (22).
2. the device of a kind of accurate control lateral conductor pulling force according to claim 1, it is characterized in that: between described fairlead (5) and slide (1), be provided with and strengthen gusset (9), between described conduit (6) and slide lid (4), be provided with and strengthen gusset (9).
3. the device of a kind of accurate control lateral conductor pulling force according to claim 1 and 2, is characterized in that: described fairlead (5) inwall is provided with rubber seal (10), and described slide lid (4) is provided with two with upper vent hole (11).
4. the device of a kind of accurate control lateral conductor pulling force according to claim 3, is characterized in that: described upper steel strand wire (81) other end is fixedly connected with guy insulator (13), and described lower steel strand wire (82) other end is fixedly connected with wire clamp (14).
CN201420110874.8U 2014-03-12 2014-03-12 Apparatus for accurately controlling pulling force of inclined pulling line Expired - Fee Related CN203747346U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420110874.8U CN203747346U (en) 2014-03-12 2014-03-12 Apparatus for accurately controlling pulling force of inclined pulling line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420110874.8U CN203747346U (en) 2014-03-12 2014-03-12 Apparatus for accurately controlling pulling force of inclined pulling line

Publications (1)

Publication Number Publication Date
CN203747346U true CN203747346U (en) 2014-07-30

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ID=51347105

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420110874.8U Expired - Fee Related CN203747346U (en) 2014-03-12 2014-03-12 Apparatus for accurately controlling pulling force of inclined pulling line

Country Status (1)

Country Link
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108469325A (en) * 2018-03-01 2018-08-31 广州杰赛科技股份有限公司 Guywire tower bracing wire device for monitoring tension
CN112038016A (en) * 2020-09-07 2020-12-04 孙水平 Ceramic insulator for extra-high voltage power transmission for connecting thick cable
CN113959706A (en) * 2021-11-24 2022-01-21 广东电网有限责任公司 Tension indicator and diagonal cable

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108469325A (en) * 2018-03-01 2018-08-31 广州杰赛科技股份有限公司 Guywire tower bracing wire device for monitoring tension
CN112038016A (en) * 2020-09-07 2020-12-04 孙水平 Ceramic insulator for extra-high voltage power transmission for connecting thick cable
CN112038016B (en) * 2020-09-07 2022-05-06 萍乡百斯特电瓷有限公司 Ceramic insulator for extra-high voltage power transmission for connecting thick cable
CN113959706A (en) * 2021-11-24 2022-01-21 广东电网有限责任公司 Tension indicator and diagonal cable
CN113959706B (en) * 2021-11-24 2023-10-03 广东电网有限责任公司 Tension indicator and cable-stayed wire

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140730

Termination date: 20150312

EXPY Termination of patent right or utility model