CN110838695B - Adjustable combined corner pulley device and adjusting method - Google Patents
Adjustable combined corner pulley device and adjusting method Download PDFInfo
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- CN110838695B CN110838695B CN201911125060.5A CN201911125060A CN110838695B CN 110838695 B CN110838695 B CN 110838695B CN 201911125060 A CN201911125060 A CN 201911125060A CN 110838695 B CN110838695 B CN 110838695B
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- corner
- 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
- H02G1/06—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Bridges Or Land Bridges (AREA)
Abstract
The invention provides an adjusting type combined corner pulley device and an adjusting method, wherein the laying device comprises: positioning the mounting seat; the corner pulleys are rotatably arranged on side plates on two sides of a pulley support through a rotating shaft, and the rotating shaft is detachably connected with the side plates; and the length adjusting piece with adjustable length is detachably connected between the mounting seat and the pulley support. The invention can avoid the cable laying position at the corner from overlapping to the inner side of the corner, ensure the cable laying to be standard and regular, reduce the safety accidents caused by uneven stress of the bridge, reduce the operation difficulty of workers and improve the cable laying efficiency; the cable is conveniently separated from the pulley support, and the defect that the pulley block is difficult to detach after the cable is laid in the prior art is overcome.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to an adjusting type combined corner pulley device and an adjusting method.
Background
When large-section cable corner laying is carried out at the present stage, the operation difficulty is large, when conventional corner pulley blocks are used for laying, laying positions are difficult to control, stress of a bridge frame is uneven, operation of personnel is dangerous, cables are easy to accumulate on the inner sides of the corners, the corner pulley blocks are difficult to detach after every cable is laid, and the construction difficulty is greatly increased.
Disclosure of Invention
In view of the above situation, the invention provides an adjustable combined corner pulley device and an adjusting method, which solve the technical problems that the cable laying position is difficult to control, the cable is easy to accumulate at a corner and the corner pulley block is difficult to remove after the cable is laid, and the reserved length of the cable at the corner is convenient to adjust by arranging a length adjusting piece, so that the problems that the cable accumulation at the corner and the cable length reserved length in the prior art are insufficient to readjust the cable length, which is time-consuming and labor-consuming, are solved; the rotating shaft and the side plate of the corner pulley are detachably connected, so that the cable is conveniently separated from the pulley support, and the length adjusting piece, the positioning mounting seat and the corner pulley are detachably connected with each other, so that the defect that the pulley block is difficult to detach after the cable is laid in the prior art is overcome.
In order to achieve the purpose, the invention adopts the technical scheme that: there is provided an adjustable compound angle pulley apparatus comprising: an adjustable compound angle pulley apparatus comprising:
positioning the mounting seat;
the corner pulleys are rotatably arranged on side plates on two sides of a pulley support through a rotating shaft, and the rotating shaft is detachably connected with the side plates;
and the length adjusting piece with adjustable length is detachably connected between the mounting seat and the pulley support frame.
In the embodiment of the invention, the mounting seat comprises an upper mounting plate structurally fixed above the periphery of the corner of the bridge frame, a lower mounting plate connected with the length adjusting piece and a web plate connecting the upper mounting plate and the lower mounting plate.
In an embodiment of the invention, the length adjusting piece is a wire grip.
In the embodiment of the invention, the length adjusting piece comprises a shell for accommodating the inhaul cable, a lower connecting piece fixed at the lower end of the shell and an upper connecting piece connected to the inhaul cable, the upper end of the shell is provided with a threading hole for the inhaul cable to penetrate out, and a self-locking winding shaft for winding the inhaul cable is rotatably arranged in the shell.
In the embodiment of the invention, the upper connecting piece is an upper hook, and the bottom of the mounting seat is provided with a hook ring for hooking the hook.
In the embodiment of the invention, the lower connecting piece is a lower hook, and the top of the pulley support is provided with a corner hook for hooking the lower hook.
In the embodiment of the invention, the self-locking winding shaft comprises a winding shaft and a ratchet wheel which is sleeved at one end of the winding shaft and coaxially rotates with the winding shaft, one side of the shell is provided with a shaft penetrating hole for the end, sleeved with the ratchet wheel, of the winding shaft to penetrate out, the shell of the winding shaft is hinged with a non-return pawl, and the non-return pawl is in contact connection with a tooth groove of the ratchet wheel.
In the embodiment of the invention, an upper fixed connecting rod is connected between the top ends of the side plates on the two sides of the pulley support, and a lower fixed connecting rod is connected between the bottom ends of the side plates on the two sides;
the side plate comprises an upper plate body and a lower plate body, the first end of the upper plate body is movably connected with the upper fixed connecting rod, the second end of the upper plate body and the top end of the lower plate body are respectively provided with a through hole for the end part of the rotating shaft to penetrate through, the end part of the rotating shaft penetrating through the through hole is screwed with a nut, and the nut is fastened on the outer side surface of the side plate.
In the embodiment of the invention, the part of each side plate above the corner pulley bulges outwards.
The invention also provides an adjusting method for adjusting the bridge frame corner cable by using the adjusting type combined corner pulley device, which comprises the following steps:
fixing the positioning mounting seat on the upper layer structure above the corner of the bridge;
providing a length adjusting piece with adjustable length, and connecting a first end of the length adjusting piece to the bottom of the positioning installation seat;
connecting a pulley support provided with a corner pulley to the second end of the length adjusting part, and winding a cable on the corner pulley for cable laying;
and adjusting the length adjusting piece to enable the length of the cable to meet the requirement of the reserved length for corner laying.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
(1) according to the cable laying device, the cables penetrate through the corner pulleys, and the length adjusting pieces control the reserved lengths of the cables at the corners, so that the cables at the corners are overlapped to the inner sides of the corners, the cables are guaranteed to be laid regularly and tidily, safety accidents caused by uneven stress of a bridge frame are reduced, the operation difficulty of workers is reduced, and the cable laying efficiency is improved; the detachable connection of the rotating shaft and the pulley support facilitates the separation of the cable and the pulley support.
(2) This device is particularly useful for large-scale in bank cable laying, can avoid in the construction operation in the past, uses old-fashioned corner pulley, and the corner cable is easily piled up, can't reach cable laying standard requirement scheduling problem, utilizes this instrument can easily lay the cable according to the position of arranging in advance, has reduced the cable laying construction degree of difficulty, has improved work efficiency, and this device can recycle, only need at crane span structure, cable pit corner pre-buried or install fixing device can.
(3) The device can change the size of the corner pulley according to the sectional area of the cable, can be repeatedly used and has higher use value.
Drawings
Fig. 1 is a schematic view of an adjustable combination angle pulley device according to the present invention in use.
Fig. 2 is a schematic structural view of the mount of the present invention.
Fig. 3 is a schematic structural view of the tightener of the present invention.
Fig. 4 is a schematic structural view of the corner pulley and the pulley support of the present invention.
The correspondence of reference numerals to components is as follows:
a mounting base 1; an upper mounting plate 11; a fixing hole 111; a lower mounting plate 12; a hook ring 121; a web 13; a corner pulley 2; a rotating shaft 21; a pulley support 22; side panel 221; an upper fixed link 222; a lower fixed link 223; a corner hook 23; a length-adjusting member 3; a stay cable 31; a housing 32; a lower connecting member 33; an upper connecting member 34; a self-locking winding shaft 35; the winding shaft 351; a ratchet backstop 352; a handle 353; a bridge frame 4; and a cable 5.
Detailed Description
To facilitate an understanding of the present invention, reference is made to the following description taken in conjunction with the accompanying drawings and examples.
Referring to fig. 1, the present invention provides an adjustable combination corner pulley device, including: the device comprises a positioning mounting seat 1, a corner pulley 2 and a length adjusting piece 3 with adjustable length; the corner pulley 2 is rotatably installed on two side plates 221 of a pulley support 22 through a rotating shaft 21, the rotating shaft 21 is detachably connected with the side plates 221, and the length adjusting piece 3 is detachably connected between the positioning installation seat 1 and the pulley support 22. In the embodiment of the present invention, as shown in fig. 1 and fig. 2, the positioning and mounting base 1 includes an upper mounting plate 11 fixed to a structure above the periphery of the corner of the bridge 4, a lower mounting plate 12 connected to the length adjusting member 3, and a web 13 connecting the upper mounting plate 11 and the lower mounting plate 12. Specifically, two fixing holes 111 are formed in the upper mounting plate 11, the upper mounting plate 11 penetrates through the two expansion bolts, the fixing holes 111 are fixed to the structure above the periphery of the corner of the bridge 4, and the positioning mounting seat 1 can be fixed to the positions, such as a floor slab and a structural beam, above the corner of the bridge 4 through the upper mounting plate 11.
In the embodiment of the present invention, as shown in fig. 3, an upper fixed link 222 is connected between the top ends of the side plates 221 on both sides of the pulley support 22, and a lower fixed link 223 is connected between the bottom ends of the side plates 221 on both sides; the upper fixing connecting rod 222 and the lower fixing connecting rod 223 connect the two side plates 221, which is beneficial to enhancing the strength and stability of the whole structure of the pulley support 22 and improving the durability of the device.
In the embodiment of the present invention, as shown in fig. 3, one of the side plates 221 includes an upper plate and a lower plate, a first end of the upper plate is movably connected to the upper fixing link 222, a second end of the upper plate and a top end of the lower plate are respectively provided with a through hole for the rotation shaft 21 to pass through, an end of the rotation shaft 21 that passes through the through hole is screwed with a nut, and the nut is fastened to an outer surface of the side plate 221. When the corner pulley 2 is used and the cable 5 needs to be released, the nut is detached, the upper plate body is rotated relative to the upper fixing connecting rod 222, so that the pulley support 22 forms an outlet for detaching the cable at the position of the upper plate body, the cable 2 can be separated from the corner pulley 2, and the defect that the pulley block is difficult to detach after the cable 2 is laid in the prior art is overcome. Preferably, both the side plates 221 may be configured to include an upper plate body and a lower plate body detachably connected, and both ends of the rotation shaft 21 are detachably fixed to both the side plates 221.
In the embodiment of the invention, the size width of the corner pulley 2 is more than 150cm, so that a conventional large and medium section cable is convenient to lay; the angle pulley 2 can be replaced or the distance between the two opposite side plates 221 can be adjusted according to the need to adapt to cables 5 with different sizes.
Preferably, the portion of each side plate 221 on the corner pulley 2 bulges outward to form a larger space for accommodating the cable 5, so as to prevent the cable 5 from being squeezed by the side plate 221 due to the small space and affecting the sliding of the cable on the corner pulley 2.
In a preferred embodiment of the present invention, the length adjusting member 3 is a wire grip.
In another preferred embodiment of the present invention, the length adjustment member 3 includes a housing 32 for accommodating the cable 31, a lower connecting member 33 fixed to a lower end of the housing 32, and an upper connecting member 34 connected to the cable 31, the upper end of the housing 32 is provided with a threading hole for the cable 31 to pass through, and the housing 32 is rotatably mounted with a self-locking winding shaft 35 for winding the cable 31.
Preferably, as shown in fig. 2 and 4, the upper connecting member 34 is an upper hook, and a hook ring 121 for hooking the upper hook is arranged on the lower mounting plate 12 of the positioning mounting base 1; the lower connecting piece 33 is a lower hook, a corner hook 23 for hooking the lower hook is arranged at the top of the pulley support 22, and the corner hook 23 is fixed on an upper fixing connecting rod 222 of the pulley support 22.
Further, the self-locking winding shaft includes a winding shaft and a ratchet 352 coaxially rotating with the winding shaft 351 and sleeved at one end of the winding shaft, one side of the housing 32 is opened with a shaft passing hole for the end of the winding shaft 351 sleeved with the ratchet 352 to pass through, the housing 32 of the winding shaft 351 is hinged with a non-return pawl (not shown), and the non-return pawl is in contact connection with a tooth groove of the ratchet 352. A handle 353 for rotationally driving the winding shaft 351 is fixed to the winding shaft 351. The self-locking winding shaft 35 is not limited to the structure described in this specification, and any structure that can drive the winding shaft 351 to rotate and lock the winding shaft 351 is suitable for the present invention.
Preferably, a pulley fixing frame 341 is fixed to a rod portion of the upper connecting member 34, an upper pulley 342 is rotatably connected to the pulley fixing frame 341, and one end of the cable 31 passing through the housing 32 is wound around the upper pulley 342 and then fixed.
Preferably, the upper hook, the lower hook and the corner hook 23 used in the invention all comprise anti-unhooking rod pieces so as to increase the stability of each part and improve the safety; the length adjusting piece 3 is connected with the positioning installation seat 1 through the hooks, the length adjusting piece 3 is connected with the pulley support 22 through the hooks, and therefore the length adjusting piece is convenient to detach and replace and convenient to use.
The invention also provides an adjusting method for adjusting the bridge frame corner cable by using the adjusting type combined corner pulley device, which comprises the following steps:
fixing the positioning mounting seat on the upper layer structure above the corner of the bridge;
providing a length adjusting piece with adjustable length, and connecting a first end of the length adjusting piece to the bottom of the mounting seat;
connecting a pulley support provided with a corner pulley to the second end of the length adjusting part, and winding a cable on the corner pulley for cable laying;
and adjusting the length adjusting piece to enable the length of the cable to meet the requirement of the reserved length for corner laying.
Further, after the length of the cable 5 is adjusted, the upper plate body of the side plate 221 is detached, the cable 5 is separated from the corner pulley 2, and finally the initial end of the cable 5 is pulled by other methods such as manual work, so that the planned arrangement position in the early stage is achieved.
While the present invention has been described in detail and with reference to the accompanying drawings and examples, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the scope of the invention is to be determined by the appended claims.
Claims (6)
1. An adjustable combination corner pulley apparatus, comprising:
the mounting seat comprises an upper mounting plate structurally fixed with the upper periphery of the corner of the bridge frame, a lower mounting plate connected with the length adjusting piece and a web plate connecting the upper mounting plate and the lower mounting plate;
the corner pulleys are rotatably arranged on side plates on two sides of a pulley support through a rotating shaft, and the rotating shaft is detachably connected with the side plates;
the length adjusting piece with adjustable length is detachably connected between the mounting seat and the pulley support and comprises a shell for accommodating a stay cable, a lower connecting piece fixed at the lower end of the shell and an upper connecting piece connected to the stay cable, the upper end of the shell is provided with a threading hole for the stay cable to penetrate out, and a self-locking winding shaft for winding the stay cable is rotatably mounted in the shell;
an upper fixed connecting rod is connected between the top ends of the side plates on the two sides of the pulley support, and a lower fixed connecting rod is connected between the bottom ends of the side plates on the two sides;
the side plate comprises an upper plate body and a lower plate body, the first end of the upper plate body is movably connected with the upper fixed connecting rod, the second end of the upper plate body and the top end of the lower plate body are respectively provided with a through hole for the end part of the rotating shaft to penetrate through, the end part of the rotating shaft penetrating through the through hole is in threaded connection with a nut, and the nut is fastened on the outer side surface of the side plate;
the part of each side plate above the corner pulley bulges outwards.
2. The adjustable compound corner pulley apparatus of claim 1, wherein the length adjuster is a turnbuckle.
3. The adjustable combination corner pulley apparatus according to claim 1, wherein the upper connecting member is an upper hook, and a hook ring for hooking the hook is provided at the bottom of the mounting seat.
4. The adjustable combination corner pulley apparatus according to claim 1, wherein the lower connecting member is a lower hook, and the top of the pulley support is provided with a corner hook for hooking the lower hook.
5. The adjustable combined corner pulley device according to claim 1, wherein the self-locking winding shaft comprises a winding shaft and a ratchet wheel sleeved at one end of the winding shaft and rotating coaxially with the winding shaft, one side of the housing is provided with a shaft through hole for allowing one end of the winding shaft sleeved with the ratchet wheel to penetrate out, the winding shaft is hinged to the housing and provided with a non-return pawl, and the non-return pawl is in contact connection with a tooth groove of the ratchet wheel.
6. An adjustment method for adjusting a bridge corner cable using the adjustable combination corner pulley apparatus of any one of claims 1 to 5, comprising the steps of:
fixing the positioning mounting seat on the upper layer structure above the corner of the bridge;
providing a length adjusting piece with adjustable length, and connecting a first end of the length adjusting piece to the bottom of the positioning installation seat;
connecting a pulley support provided with a corner pulley to the second end of the length adjusting part, and winding a cable on the corner pulley for cable laying;
and adjusting the length adjusting piece to enable the length of the cable to meet the requirement of the reserved length for corner laying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911125060.5A CN110838695B (en) | 2019-11-18 | 2019-11-18 | Adjustable combined corner pulley device and adjusting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911125060.5A CN110838695B (en) | 2019-11-18 | 2019-11-18 | Adjustable combined corner pulley device and adjusting method |
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| Publication Number | Publication Date |
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| CN110838695A CN110838695A (en) | 2020-02-25 |
| CN110838695B true CN110838695B (en) | 2022-07-12 |
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| CN201911125060.5A Active CN110838695B (en) | 2019-11-18 | 2019-11-18 | Adjustable combined corner pulley device and adjusting method |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112271646A (en) * | 2020-10-27 | 2021-01-26 | 国网浙江宁海县供电有限公司 | Cable guide device for cable laying at corner position of cable pipeline |
| CN114204485A (en) * | 2021-12-14 | 2022-03-18 | 武昌船舶重工集团有限公司 | Special tool for drawing and laying ship shore power cable |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3368428A (en) * | 1966-09-12 | 1968-02-13 | Artos Engineering Co | Wire cutting and stripping machine |
| DE4221108A1 (en) * | 1992-06-26 | 1994-01-05 | Siemens Ag | Angled corner support for overhead suspension cables - has pair of guide pulleys set at angles to centre post support pulley to allow change in direction of cable |
| CN104300438B (en) * | 2014-09-23 | 2017-02-08 | 国家电网公司 | Method for laying large cable on small tray of overhead cable bridge |
| CN206908193U (en) * | 2017-04-27 | 2018-01-19 | 东阳市光明电力建设有限公司 | A kind of electrification in high voltage stringing protector |
| CN207651933U (en) * | 2017-12-30 | 2018-07-24 | 南京华博供用电工程有限公司 | A kind of cord holder |
| CN209267015U (en) * | 2019-01-07 | 2019-08-16 | 国网安徽省电力有限公司宣城供电公司 | A kind of cable uncoiling device for basement power distribution station cable testing bridge |
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| CN110838695A (en) | 2020-02-25 |
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