CN110137847B - Railway electric power engineering cable erection flip-chip device - Google Patents
Railway electric power engineering cable erection flip-chip device Download PDFInfo
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- CN110137847B CN110137847B CN201910402340.XA CN201910402340A CN110137847B CN 110137847 B CN110137847 B CN 110137847B CN 201910402340 A CN201910402340 A CN 201910402340A CN 110137847 B CN110137847 B CN 110137847B
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- cable
- fixed
- seat
- steel pipe
- pulley
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- 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
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Abstract
The invention discloses a railway electric power engineering cable erection upender in the electric power field, which comprises a steel pipe, wherein two ends of the steel pipe are respectively fixed with a shaft seat, a screw rod is arranged in the steel pipe, the screw rod is fixed on the shaft seat, and one end of the screw rod extends out of the shaft seat and is fixed with a rotary table; the bottom of the steel pipe is provided with a fixed seat component, and the steel pipe is fixedly connected with the fixed seat component through a pin shaft in a rotating way; be equipped with the lead screw seat on the lead screw, link firmly the support on the lead screw seat, the support bottom links firmly the cable support assembly, and cable support assembly includes two upper and lower parallel distribution's backup pad, is equipped with two sets of loose pulley assembly between the backup pad, and loose pulley assembly passes through the bolt fastening in the backup pad. The invention can effectively prevent the twisting of the cable.
Description
Technical Field
The invention relates to the field of electric power, in particular to a railway electric power engineering cable erection inverted device.
Background
In the construction of electric power engineering and railway electrification contact networks, a cable needs to be transferred to a position where the cable needs to be fixed from a pulley block where the cable is placed. The load formed by a plurality of ropes is very large, which can reach hundreds of kilograms, especially in curved sections or corners, and also has larger curve force and corner force, which can reach 200 kilograms at the maximum, and the operation of moving the load from the paying-off pulley to the fixing device for fixing the ropes is undoubtedly very labor-intensive. In the cable erection construction of the electric power engineering, the cable is reversely installed by using a general tool without a special tool, so that the problems of low construction efficiency, high labor intensity and the like exist
To this end, the patent document discloses an electric power and contact net engineering cable erecting and installing device (201020248887.3) which uses a steel tube and a lead screw as a main structure body, the lead screw is arranged in the steel tube in a penetrating way, a window is formed by slotting along the steel tube in the radial direction, a moving block with a hanging ring is arranged on the lead screw, a fixing seat is arranged in the middle of the steel tube, the corresponding fixing seat is replaced for different cable supporting structures, after various cables are erected and placed, the cables are arranged in the fixing device for fixing the cables in an inverted way, the cables can be transferred, and the device has the characteristics of simple structure, convenient carrying, suitability for high-altitude operation, safety and reliability,
however, in practice, when positioning and inverting are performed, in order to avoid the cable from generating large tension, a cable clamp deviation value and a cable elongation amount after the cable reaches a rated tension are often required to be reserved, and in a transfer process, attention needs to be paid to a direction of a cable surface to ensure a wireless surface torsion phenomenon. However, the above patent documents adopt the hanging ring on the screw rod to hang the cable, and rotate the screw rod to move the position of the swimming block, so as to change the position of the cable, but the hanging ring hanging manner cannot ensure that the cable is not twisted in the process of transferring the swimming block, and therefore, the improvement is needed.
Disclosure of Invention
Solves the technical problem
The invention provides a railway electric power engineering cable erection inverted device aiming at the problems in the prior art.
Technical scheme
The invention is realized by the following technical scheme:
a railway electric power engineering cable erection upender comprises a steel pipe, wherein two ends of the steel pipe are respectively fixed with a shaft seat, a screw rod is arranged in the steel pipe, the screw rod is fixed on the shaft seat, and one end of the screw rod extends out of the outer side of the shaft seat and is fixed with a rotary table; the bottom of the steel pipe is provided with a fixed seat assembly, and the steel pipe is fixedly connected with the fixed seat assembly through a pin shaft in a rotating manner; the wire rod is provided with a wire rod seat, the wire rod seat is fixedly connected with a support, the bottom of the support is fixedly connected with a wire rope supporting assembly, the wire rope supporting assembly comprises an upper supporting plate and a lower supporting plate which are distributed in parallel, two groups of pulley assemblies are arranged between the supporting plates, and the pulley assemblies are fixed on the supporting plates through bolts.
Furthermore, the pulley assembly comprises a connecting shaft and a pulley which is movably sleeved on the connecting shaft, and two ends of the connecting shaft are fixed on the upper surface and the lower surface of the supporting plate which are opposite.
Furthermore, the surfaces of the upper supporting plate and the lower supporting plate which are opposite to each other are provided with notches, the rotating shafts of one group of pulley assemblies are tangent to the inner surfaces of the notches, first threaded holes are uniformly distributed in the surfaces of the notches of the lower supporting plate, and the connecting shaft is in threaded fixing with the first threaded holes through bolts.
Further, the fixing seat assembly comprises an upper fixing plate and a lower U-shaped plate, the upper fixing plate comprises two layers of side walls, and two side walls of the lower U-shaped plate are clamped between the two layers of side walls of the upper fixing plate.
Furthermore, rectangular channels are formed in the side walls of two sides of the lower U-shaped plate, second threaded holes are uniformly formed in the side wall of the lower U-shaped plate from top to bottom, a third threaded hole is fixed in the side wall of the upper fixing plate, and the upper fixing plate is fixedly connected with the lower U-shaped plate through the matching of bolts and nuts.
Further, the fixing seat assemblies comprise three groups and are uniformly distributed along the axial direction of the steel pipe.
Advantageous effects
Compared with the known public technology, the technical scheme provided by the invention has the following beneficial effects:
the invention provides a railway electric power engineering cable erecting inverted device, which adopts a turntable to rotate a lead screw so as to control the movement of a lead screw seat on the lead screw, the lead screw seat is fixed with a support plate through a bracket, a pulley assembly is arranged between an upper support plate and a lower support plate, so that the cable can be arranged in a recess at the outer side of two pulleys in a penetrating way, and the torsion generated when the cable is bent is dissolved by the pulley rotating on a connecting shaft in the moving process of the lead screw seat, thereby effectively preventing the cable from twisting.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a partial block diagram of FIG. 1;
FIG. 3 is a schematic structural view of an upper fixing plate according to the present invention;
the reference numbers in the figures are: 1-a steel pipe; 2-shaft seat; 3-a screw rod; 401-upper fixing plate; 402-lower U-shaped plate; 403-rectangular groove; 5-a pin shaft; 6-screw base; 7-a scaffold; 8-a support plate; 901-a connecting shaft; 902-a pulley; 10-notches; 11-a first threaded hole; 12-a second threaded hole; 13-a third threaded hole; 14-rotating disk.
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. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. 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.
The present invention will be further described with reference to the following examples.
Embodiment 1, with reference to fig. 1, a railway electric power engineering cable erection upender comprises a steel pipe 1, wherein two ends of the steel pipe 1 are respectively fixed to a shaft seat 2, a screw rod 3 is arranged inside the steel pipe 1, the screw rod 3 is fixed to the shaft seat 2, and one end of the screw rod 3 extends out of the shaft seat 2 and is fixed to a turntable 14; the bottom of the steel pipe 1 is provided with a fixed seat component, and the steel pipe 1 and the fixed seat component are rotationally and fixedly connected through a pin shaft 5; be equipped with screw seat 6 on the lead screw 3, link firmly support 7 on the screw seat 6, support 7 bottom links firmly the thread supporting component, and thread supporting component includes two upper and lower parallel distribution's backup pad 8, is equipped with two sets of loose pulley assemblies between the backup pad 8, and loose pulley assembly passes through the bolt fastening in backup pad 8.
According to the invention, the screw rod 3 and the steel pipe 1 are taken as main bodies, the screw rod 3 is operated by the rotary table 14 to rotate so as to enable the screw rod seat 6 on the screw rod 3 to move, the outer side wall of the steel pipe 1 is grooved to form an exposed window, the support 7 connected with the screw rod seat 6 extends to the outer side of the window, in addition, the bottom of the support 7 is fixedly provided with the support plate 8, the support plate 8 is provided with an upper support plate and a lower support plate 8, a pulley assembly is arranged between the upper support plate 8 and the lower support plate 8, a cable wire penetrates between the pulley assemblies, and when the cable wire is transferred and bent, the pulley 902 in the pulley assembly rotates, so that the cable wire can be prevented from being twisted.
Further, referring to fig. 2, the pulley assembly includes a connecting shaft 901 and a pulley 902 movably sleeved on the connecting shaft 901, and two ends of the connecting shaft 901 are fixed on the upper and lower surfaces of the supporting plate 8. The edge of the pulley 902 is provided with a recess, and the tension generated when the cable is bent can drive the pulley 902 to axially rotate on the connecting shaft 901, so as to prevent the cable from twisting.
Further, the opposite surfaces of the upper supporting plate 8 and the lower supporting plate 8 are provided with notches 10, the rotating shaft of one group of pulley assemblies is tangent to the inner surface of the notch 10, first threaded holes 11 are uniformly distributed on the surface of the notch 10 of the lower supporting plate 8, and the connecting shaft 901 is in threaded fixation with the first threaded holes 11 through bolts. The pulley assembly located in the slot 10 can adjust the position in the slot 10. The cable is first close to one side of the fixed pulley assembly, then the connecting shaft 901 of the other pulley assembly is moved from the outside to the notch 10 to close the cable, so that the cable is clamped between the pulleys 902 of the two pulley assemblies, then the proper first threaded hole 11 is selected to fix the pulley assembly, after the cable is successfully transferred, the bolt is removed, the pulley assembly is moved out of the notch 10, and the cable is released.
Embodiment 2, referring to fig. 3, the fixing base assembly comprises an upper fixing plate 401 and a lower U-shaped plate 402, wherein the upper fixing plate 401 comprises two layers of side walls, and two side walls of the lower U-shaped plate 402 are clamped between the two layers of side walls of the upper fixing plate 401. Rectangular grooves 403 are formed in the side walls of the two sides of the lower U-shaped plate 402, second threaded holes 12 are uniformly distributed in the side wall of the lower U-shaped plate 402 from top to bottom, third threaded holes 13 are fixed in the side wall of the upper fixing plate 401, and the upper fixing plate is fixedly connected with the lower U-shaped plate 402 through bolt and nut matching.
The fixing seat assembly is used for being fixed on a supporting structure of a cable, the lower U-shaped plate 402 can be vertically displaced with the upper fixing plate 401, so that the height of the steel pipe 1 is adjusted to adapt to cables with different heights, and after the proper second threaded hole 12 and the proper third threaded hole 13 are selected for positioning, the lower U-shaped plate 402 and the upper fixing class 401 are fixed through bolts and nuts.
Further, the fixing seat assembly comprises three groups and is uniformly distributed along the axial direction of the steel pipe 1. Because the fixing seat assemblies comprise a plurality of groups, the steel pipe 1 can be fixed on the supporting structures of the threads by one or two groups, when the angles of different threads are required to be adjusted, one group of the fixing seat assemblies is fixed, and then the angle of the steel pipe 1 is rotated through the pin shaft, so that the using place and the using range of the steel pipe 1 are enlarged.
The invention provides a railway electric power engineering cable erecting inverted device, which adopts a turntable 14 to rotate a lead screw 3 so as to control the movement of a lead screw seat 6 on the lead screw 3, the lead screw seat 6 is fixed with a support plate 8 through a bracket 7, and a pulley assembly is arranged between an upper support plate 8 and a lower support plate 8, so that a cable can be arranged in a recess at the outer side of two pulleys in a penetrating way, and the torsion generated when the cable is bent is dissolved by a slide 902 rotating on a connecting shaft 901 in the moving process of the lead screw seat 6, thereby effectively preventing the cable from being twisted.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not exhaustive or limiting of the specific embodiments of the invention. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (1)
1. The utility model provides a railway electric power engineering cable erects flip-chip mounting device which characterized in that: the rotary table comprises a steel pipe, wherein two ends of the steel pipe are respectively fixed with a shaft seat, a screw rod is arranged in the steel pipe, the screw rod is fixed on the shaft seat, and one end of the screw rod extends out of the shaft seat and is fixed with a rotary table; the bottom of the steel pipe is provided with a fixed seat component, and the steel pipe is fixedly connected with the fixed seat component through a pin shaft in a rotating way; the lead screw is provided with a lead screw seat, a bracket is fixedly connected to the lead screw seat, the bottom of the bracket is fixedly connected with a cable support assembly, the cable support assembly comprises an upper support plate and a lower support plate which are distributed in parallel, two groups of pulley assemblies are arranged between the support plates, and the pulley assemblies are fixed on the support plates through bolts;
the lead screw and the steel pipe are used as main bodies, the lead screw is operated by a rotary table to rotate so that a lead screw seat on the lead screw moves, a groove is formed in the outer side wall of the steel pipe to form an exposed window, a support connected with the lead screw seat extends to the outer side of the window, a support plate is fixed at the bottom of the support, an upper support plate and a lower support plate are arranged on the support plate, a pulley assembly is arranged between the upper support plate and the lower support plate, a cable is threaded between the pulley assemblies, and pulleys in the pulley assemblies rotate when the cable is transferred and bent so as to prevent the cable from twisting;
the pulley component comprises a connecting shaft and a pulley which is movably sleeved on the connecting shaft, and two ends of the connecting shaft are fixed on the upper surface and the lower surface of the supporting plate which are opposite;
the edge of the pulley is provided with a sunken part, and tension generated when the cable is bent can drive the pulley to axially rotate on the connecting shaft so as to prevent the cable from twisting;
the opposite surfaces of the upper supporting plate and the lower supporting plate are provided with notches, the rotating shafts of one group of pulley assemblies are tangent to the inner surfaces of the notches, first threaded holes are uniformly distributed on the surfaces of the notches of the lower supporting plate, and the connecting shaft is in threaded fixing with the first threaded holes through bolts;
the pulley assembly positioned in the notch can adjust the position in the notch;
the cable is firstly close to one side of the fixed pulley assembly, then the connecting shaft of the other pulley assembly moves from the outer side to the notch to be close to the cable, so that the cable is clamped between the pulleys of the two pulley assemblies, then a proper first threaded hole is selected to fix the pulley assembly, and after the cable is successfully transferred, the bolt is dismounted, the pulley assembly is moved out of the notch, and the cable is released;
the fixing seat assembly comprises an upper fixing plate and a lower U-shaped plate, the upper fixing plate comprises two layers of side walls, and two side walls of the lower U-shaped plate are clamped between the two layers of side walls of the upper fixing plate;
rectangular grooves are formed in the side walls of the two sides of the lower U-shaped plate, second threaded holes are uniformly distributed in the upper portion and the lower portion of the side wall of the lower U-shaped plate, third threaded holes are fixed in the side wall of the upper fixing plate, and the upper fixing plate and the lower U-shaped plate are fixedly connected in a matched mode through bolts and nuts;
the fixing seat assembly is used for being fixed on a supporting structure of a cable, the lower U-shaped plate and the upper fixing plate generate vertical displacement change, so that the height of the steel pipe is adjusted to adapt to cables with different heights, and the lower U-shaped plate and the upper fixing plate are fixed through bolts and nuts after the second threaded hole and the third threaded hole are selected to be positioned;
the fixing seat components comprise three groups and are uniformly distributed along the axial direction of the steel pipe;
the fixing seat assemblies comprise a plurality of groups, one or two groups of steel pipes are fixed on the supporting structures of the threads, one group of fixing seat assemblies are fixed when the angles of different threads need to be adjusted, and then the angle of the steel pipes is rotated through the pin shafts, so that the using places and the using range of the steel pipes are enlarged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910402340.XA CN110137847B (en) | 2019-05-14 | 2019-05-14 | Railway electric power engineering cable erection flip-chip device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910402340.XA CN110137847B (en) | 2019-05-14 | 2019-05-14 | Railway electric power engineering cable erection flip-chip device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110137847A CN110137847A (en) | 2019-08-16 |
| CN110137847B true CN110137847B (en) | 2021-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910402340.XA Active CN110137847B (en) | 2019-05-14 | 2019-05-14 | Railway electric power engineering cable erection flip-chip device |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201846024U (en) * | 2010-09-26 | 2011-05-25 | 天津天易海上工程有限公司 | Dedicated back twist frame for laying of submarine cables |
| CN103545759B (en) * | 2012-07-16 | 2016-04-20 | 浙江欣海船舶设计研究院有限公司 | Marine cable laying ship back twist frame device |
| CN106972421B (en) * | 2014-10-22 | 2018-08-10 | 天津港欧亚国际集装箱码头有限公司 | Suitable for gantry crane adjusting apparatus is reversed convenient for adjustable type cable |
| CN105914697B (en) * | 2016-06-12 | 2017-11-10 | 中广核研究院有限公司 | Cable protector |
| CN207801328U (en) * | 2018-01-09 | 2018-08-31 | 天津吉森机电设备工程有限公司 | Gland-type cable turns round correction fixing bracket again |
| CN207977670U (en) * | 2018-03-09 | 2018-10-16 | 南京铁道职业技术学院 | A kind of railway power engineering clue erection upside-down mounting device |
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| CN110137847A (en) | 2019-08-16 |
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