CN101722867B - Novel ratchet compensating device - Google Patents
Novel ratchet compensating device Download PDFInfo
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- CN101722867B CN101722867B CN2009102623468A CN200910262346A CN101722867B CN 101722867 B CN101722867 B CN 101722867B CN 2009102623468 A CN2009102623468 A CN 2009102623468A CN 200910262346 A CN200910262346 A CN 200910262346A CN 101722867 B CN101722867 B CN 101722867B
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- ratchet
- steamboat
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M1/00—Power supply lines for contact with collector on vehicle
- B60M1/12—Trolley lines; Accessories therefor
- B60M1/26—Compensation means for variation in length
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- Mechanical Engineering (AREA)
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Abstract
The invention provides a novel ratchet compensating device. The novel ratchet compensating device comprises a ratchet body (1), a ratchet brake bracket (2), a long bolt pin (3), a ratchet frame connecting plate (4), a brake pallet (5), a balancing wheel (6), a wire cable I (7), a wire cable II (7') and a wire clamp (8), wherein the ratchet body (1) is arranged on a ratchet shaft (11) through a pair of self-lubricating sliding bearings (10); the two ends of the ratchet shaft (11) are fixed to the front end of the ratchet frame connecting plate (4), and are provided with end face self-lubricating bearings (14); and the end face self-lubricating bearings (14) are arranged between the ratchet frame connecting plate (4) and the self-lubricating sliding bearings (10). By optimizing the structural design, the manufacturing technique is simplified, the safe use performance is improved, the use working tension reaches 32kN, and a compensation distance reaches 950m. The novel ratchet compensating device not only can meet the requirements of high tension and compensation distance in a contact net of a high-speed electric railway, but also brings convenience to installation and maintenance.
Description
Technical field
The present invention relates to a kind of ratchet compensating device, belong to high-speed electric railway Catenary Fittings manufacturing technology field.
Background technology
Ratchet compensating device is mainly used in the cast anchor tension force of place's compensation adjustment clue of contact nets in electrified railways and city rail traffic flexible suspension.Along with the development of high-speed electric railway, the speed of railway line for passenger traffic improves constantly, and the tension force of contact system is had relatively high expectations (the compensation tension force of circuit rises to 30kN), so the Combination property of ratchet compensating device must satisfy the requirement of hightension compensation.And existing ratchet compensating device is little owing to complementary range, nominal operation tension force less (the compensation tension force of circuit is 15kN to the maximum); Compensation rope tolerance tension force is little, and the support rigidity is not enough, and compensation rope sideslip, friction etc. when work influence the service life and the transmission effect of ratchet; The ratchet support adopts the open mouth of hook, welding to make, and has guaranteed not the requirement of parallelism and squareness, be prone to cause ratchet deflection to occur, and conformability is relatively poor, is difficult to exchange; Ratchet bearing cover and frame side sheet separation are too small, are prone to that phenomenon takes place to clamp and make the ratchet rotation dumb, influence compensation effect.Therefore, existing ratchet compensating device is difficult to satisfy the requirement of high-speed electric railway contact system hightension compensation.
Summary of the invention
The technical matters that the present invention solves: design a kind of later-model ratchet compensating device, optimized Structure Design, simplified manufacturing technique improves safe application performance, uses working tension to reach 32kN, and complementary range reaches 950m.Not only can satisfy the requirement of high-speed electric railway contact system hightension and complementary range, and installation and maintenance are more convenient.
Technical solution of the present invention: a kind of ratchet compensating device comprises that ratchet body (1), ratchet brake bracket (2), overbolt pin (3), ratchet framework win (4), brake clamp (5), balance wheel (6), steel rope I (7), steel rope II (7 ') and wire clamp (8) in succession; Ratchet body (1) is installed in win in succession the front end of (4) of ratchet framework, is shaped on bull wheel (12) and steamboat I (13), steamboat II (13 ') on the ratchet body (1), and has ratchet on the bull wheel (12), and steamboat I (13) and steamboat II (13 ') symmetry are positioned at the both sides of bull wheel (12); The end of steel rope I (7) is connected with wire clamp (8), and the other end is wrapped in bull wheel (12) successively and goes up the side that follower head is fixed on bull wheel (12); The end of steel rope II (7 ') is fixed between two steamboats, and the other end is wrapped in successively and passes balance wheel (6) behind the steamboat I (13) and be wrapped in successively on the opposite side steamboat II (13 ') again, and the termination is fixed between two steamboats; Win in succession the rear end of (4) of ratchet framework is hinged on the upper end of ratchet brake bracket (2); Braking clamp (5) is fixed on the middle part of ratchet brake bracket (2) at an angle, and ratchet brake bracket (2) is connected with following anchor base through overbolt pin (3).Ratchet body (1) is installed on the ratchet shaft (11) through a pair of self-lubricating plain bearing (10); The two ends of ratchet shaft (11) are fixed on win in succession the front end of (4) of ratchet framework; And the two ends of ratchet shaft (11) are equipped with end face self-lubricating bearing (14), end face self-lubricating bearing (14) be positioned at that the ratchet framework is won in succession (4) and self-lubricating plain bearing (10) between.
Be shaped on guiding grooving I (9) on the periphery of said bull wheel (12), steel rope I (7) is arranged in guiding grooving I (9); All be shaped on guiding grooving II (17) on the periphery of steamboat I (13), steamboat II (13 '), outer face is shaped on rib (15), and steel rope II (7 ') is arranged in guiding grooving II (17).
Said self-lubricating plain bearing (10) is a flange copper radical self-lubricating plain bearing, and its flange is positioned at the outside.
Win in succession the rear end anchoring of (4) of said ratchet framework has horizontal support (16).
Said ratchet brake bracket (2) is made up of welded tube (18), stud (19) and " V " type connecting panel (20).Stud (19) is welded on the inboard of welded tube (18), and " V " type connecting panel (20) is fixed on the upper end of welded tube (18); Steel pipe (23) is welded on " V " type connecting panel (20); Backing plate (21) is welded on the middle part of welded tube (18) and stud (19); Braking clamp (5) is fixed on the upper end of backing plate (21) at an angle; Win in succession the rear end of (4) of ratchet framework is passed steel pipe (23) through bolt (22) and is hinged on " V " type connecting panel (20), and makes steel pipe (23) be positioned at the ratchet framework to win in succession between (4).
Said ratchet body (1) adopts the metal paattern low pressure [die to form, and ratchet shaft (11) is a stainless steel shaft, and steel rope I (7), steel rope II (7 ') are impregnate with bitumen type galvanized steel wire rope.
Advantage that the present invention compared with prior art has and effect:
1, the present invention adopts the rotation mode that flange copper radical self-lubricating bearing cooperates with the end face self-lubricating bearing; Both improved driving efficiency; The steamboat end face of ratchet body both sides and the ratchet framework inboard direct friction of winning in succession causes the ratchet clamping stagnation to rotate inflexible phenomenon and takes place in the time of can avoiding this solid offsetting of ratchet again.The work that railway on-the-spot high-altitude oiling is safeguarded has been removed in the particularly use of flange copper radical self-lubricating bearing and end face self-lubricating bearing from.
2, all have the guiding grooving on the big steamboat of ratchet body of the present invention, and the steamboat end face has rib, the phenomenon generation that overcome compensation steel rope sideslip, rubs, laminates each other.Because grooving guiding and restriction are arranged, make the compensation steel rope when work, not have friction, sideslip not each other, increased the service life of compensation steel rope greatly, improved the margin of safety of ratchet; Ratchet steamboat end face has rib, twines full compensation steel rope and also can not be slipped to the outer clamping stagnation accident that causes of wheel.
3, ratchet brake bracket of the present invention is that welded tube adds the stud structure, and integral rigidity is good, and intensity is high, and is indeformable in the use, guaranteed the requirement of parallelism and squareness, is not prone to deflection during ratchet work, and high conformity, and interchangeability is strong.
4, it is straight that the present invention brakes the clamp end face, and brake mode adopts the straight-tooth braking, and brake area is wide, and braking safety property is high.Even the solid offsetting of glancing impact ratchet wheel, string move, the braking clamp still can block ratchet immediately and accomplish the broken string braking function.Leave the danger that the gap does not just have clamping stagnation as long as clamp is braked in installation when stressed from ratchet in addition, improved safety performance.
5, the ratchet framework of the present invention rear end of winning in succession is set up anchoring horizontal support is arranged; Two connecting plate spacings can suitably strengthened; Improve the stability of ratchet framework under the situation of increase complementary range; And the ratchet framework is won in succession and is adopted the connection mode of bolt sleeve steel pipe with the ratchet brake bracket, connects robust, not only can prevent that the ratchet framework from jumping out but also be convenient to guarantee accuracy of manufacture.
6, novel structure of the present invention; Installation and maintenance are easy; Safe and reliable, the compensation steel rope is impregnate with bitumen type galvanized steel wire rope (its comprehensive breaking force >=75.4kN), use working tension to reach 32kN; Complementary range reaches 950m, can satisfy the cast anchor needs of place's compensation adjustment tension force of high-speed electric railway contact system and city rail traffic flexible suspension fully.
Description of drawings
Fig. 1 is a structural front view of the present invention,
Fig. 2 is a ratchet main body structure cutaway view of the present invention,
Fig. 3 is a structural perspective of the present invention,
Fig. 4 brakes the block diagram of clamp for the present invention,
Fig. 5 is a scheme of installation of the present invention.
The specific embodiment
In conjunction with accompanying drawing 1,2,3,4,5 a kind of embodiment of the present invention is described.
A kind of ratchet compensating device comprises that ratchet body 1, ratchet brake bracket 2, overbolt pin 3, ratchet framework win 4 in succession, braking clamp 5, balance wheel 6, steel rope I 7, steel rope II 7 ' and ears wedge clamp 8.Ratchet body 1 is installed on the ratchet shaft 11 through a pair of flange copper radical self-lubricating plain bearing 10, and flange is positioned at the outside.The two ends of ratchet shaft 11 are fixed on win in succession 4 front end of ratchet framework; And the two ends of ratchet shaft 11 are equipped with end face self-lubricating bearing 14; End face self-lubricating bearing 14 the ratchet framework win in succession 4 and self-lubricating plain bearing 10 between, when this solid offsetting of ratchet made the flange of self-lubricating plain bearing contact with the end face self-lubricating bearing, the two relatively rotated; The direct friction of having avoided ratchet body and ratchet framework to win in succession causes the ratchet clamping stagnation to rotate inflexible phenomenon and takes place.Be shaped on bull wheel 12 and steamboat I 13, steamboat II 13 ' on the ratchet body 1, and have ratchet on the bull wheel 12, steamboat I 13 and steamboat II 13 ' symmetry are positioned at the both sides of bull wheel 12; Be shaped on guiding grooving I 9 on the periphery of bull wheel 12, steel rope I 7 is arranged in guiding grooving I 9; All be shaped on guiding grooving II 17 on the periphery of steamboat I 13, steamboat II 13 ', outer face is shaped on rib 15, and steel rope II 7 ' is arranged in guiding grooving II 17.The end of steel rope I 7 is connected with wire clamp 8, and the other end is wrapped in the side that follower head on the bull wheel 12 is fixed on bull wheel 12 successively through guiding grooving I 9; The end of steel rope II7 ' is fixed between two steamboats, and the other end is wrapped in successively through guiding grooving II 17 and passes balance wheel 6 behind the steamboat I 13 and be wrapped in successively on the opposite side steamboat II 13 ' again, and the termination is fixed between two steamboats.
Win in succession 4 the rear end anchoring of ratchet framework has horizontal support 16, and horizontal support 16 is formed by the steel axle of two ends band platform.The two ends of horizontal support 16 are anchored at the ratchet framework and win in succession on 4, and win in succession between 4 at the ratchet framework.
Ratchet brake bracket 2 is made up of welded tube 18, stud 19 and " V " type connecting panel 20.Stud 19 is welded on the inboard of welded tube 18, and " V " type connecting panel 20 is fixed on the upper end of welded tube 18; Steel pipe 23 is welded on " V " type connecting panel 20; Backing plate 21 is welded on the middle part of welded tube 18 and stud 19; Braking clamp 5 is fixed on the upper end of backing plate 21 at an angle; Win in succession 4 rear end of ratchet framework is passed steel pipe 23 through bolt 22 and is hinged on " V " type connecting panel 20, and steel pipe 23 is won in succession between 4 at the ratchet framework.Overbolt pin 3 passes welded tube 18 and is connected with following anchor base.
Ratchet body 1 adopts the metal paattern low pressure [die, and the surface is carried out sand-blast finish and processed.Ratchet shaft 11 is a stainless steel shaft, has improved antiseptic property.Steel rope I 7, steel rope II 7 ' are impregnate with bitumen type galvanized steel wire rope (its comprehensive breaking force >=75.4kN).Balance wheel 6 diameters increase, and make that the space becomes big between the rope of steamboat both sides, prevent that ratchet from swinging to run into rope when big.
Method of application: adopt packing ring, nut, spring cotter to be fixed on down ratchet brake bracket 2 on the anchor base through overbolt pin 3.Through win in succession 4 position of bolt 22 adjustment ratchet frameworks, make ratchet body 1 be positioned at the design and installation position, with hand the nut of bolt 22 ends is screwed on then.The distance of the ratchet on the bull wheel 12 of adjustment braking clamp 5 front end faces and ratchet body 1 makes it reach mode of operation.According to concrete circuit balance wheel 6 is connected with the U type rotation ears or the ball-eye of catenary or contact wire end, guarantees that contact wire or catenary bear correct and lasting balancing force.
Claims (6)
1. ratchet compensating device comprises that ratchet body (1), ratchet brake bracket (2), overbolt pin (3), ratchet framework win (4), brake clamp (5), balance wheel (6), steel rope I (7), steel rope II (7 ') and wire clamp (8) in succession; Ratchet body (1) is installed in win in succession the front end of (4) of ratchet framework, is shaped on bull wheel (12) and steamboat I (13), steamboat II (13 ') on the ratchet body (1), and has ratchet on the bull wheel (12), and steamboat I (13) and steamboat II (13 ') symmetry are positioned at the both sides of bull wheel (12); The end of steel rope I (7) is connected with wire clamp (8), and the other end is wrapped in bull wheel (12) successively and goes up the side that follower head is fixed on bull wheel (12); The end of steel rope II (7 ') is fixed between two steamboats, and the other end is wrapped in successively and passes balance wheel (6) behind the steamboat I (13) and be wrapped in successively on the opposite side steamboat II (13 ') again, and the termination is fixed between two steamboats; Win in succession the rear end of (4) of ratchet framework is hinged on the upper end of ratchet brake bracket (2); Braking clamp (5) is fixed on the middle part of ratchet brake bracket (2) at an angle; Ratchet brake bracket (2) is connected with following anchor base through overbolt pin (3); It is characterized in that: ratchet body (1) is installed on the ratchet shaft (11) through a pair of self-lubricating plain bearing (10); The two ends of ratchet shaft (11) are fixed on win in succession the front end of (4) of ratchet framework; And the two ends of ratchet shaft (11) are equipped with end face self-lubricating bearing (14), end face self-lubricating bearing (14) be positioned at that the ratchet framework is won in succession (4) and self-lubricating plain bearing (10) between.
2. ratchet compensating device according to claim 1 is characterized in that: be shaped on guiding grooving I (9) on the periphery of said bull wheel (12), steel rope I (7) is arranged in guiding grooving I (9); All be shaped on guiding grooving II (17) on the periphery of steamboat I (13), steamboat II (13 '), outer face is shaped on rib (15), and steel rope II (7 ') is arranged in guiding grooving II (17).
3. ratchet compensating device according to claim 1 is characterized in that: said self-lubricating plain bearing (10) is a flange copper radical self-lubricating plain bearing, and its flange is positioned at the outside.
4. ratchet compensating device according to claim 1 is characterized in that: win in succession the rear end anchoring of (4) of said ratchet framework has horizontal support (16).
5. according to claim 1 or 2 or 3 or 4 described ratchet compensating devices; It is characterized in that: said ratchet brake bracket (2) is made up of welded tube (18), stud (19) and " V " type connecting panel (20); Stud (19) is welded on the inboard of welded tube (18), and " V " type connecting panel (20) is fixed on the upper end of welded tube (18); Backing plate (21) is welded on the middle part of welded tube (18) and stud (19); Braking clamp (5) is fixed on the upper end of backing plate (21) at an angle; Win in succession the rear end of (4) of ratchet framework is passed steel pipe (23) through bolt (22) and is hinged on " V " type connecting panel (20), and makes steel pipe (23) be positioned at the ratchet framework to win in succession between (4).
6. according to claim 1 or 2 or 3 or 4 described ratchet compensating devices, it is characterized in that: said ratchet body (1) adopts the metal paattern low pressure [die to form, and ratchet shaft (11) is a stainless steel shaft, and steel rope I (7), steel rope II (7 ') are impregnate with bitumen type galvanized steel wire rope.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102623468A CN101722867B (en) | 2009-12-17 | 2009-12-17 | Novel ratchet compensating device |
| PCT/CN2010/079899 WO2011072615A1 (en) | 2009-12-17 | 2010-12-16 | Ratchet wheel compensation device |
| RU2012130384/11A RU2547952C2 (en) | 2009-12-17 | 2010-12-16 | Compensation device for ratchet wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102623468A CN101722867B (en) | 2009-12-17 | 2009-12-17 | Novel ratchet compensating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101722867A CN101722867A (en) | 2010-06-09 |
| CN101722867B true CN101722867B (en) | 2012-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102623468A Active CN101722867B (en) | 2009-12-17 | 2009-12-17 | Novel ratchet compensating device |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN101722867B (en) |
| RU (1) | RU2547952C2 (en) |
| WO (1) | WO2011072615A1 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101722867B (en) * | 2009-12-17 | 2012-11-14 | 中铁电气化局集团宝鸡器材有限公司 | Novel ratchet compensating device |
| CN101716893B (en) * | 2009-12-17 | 2012-04-04 | 中铁电气化局集团宝鸡器材有限公司 | Bevel ratchet wheel compensating device |
| CN102734429B (en) * | 2012-06-19 | 2016-01-06 | 江苏高博智融科技有限公司 | A kind of ratchet |
| CN104943563A (en) * | 2015-06-19 | 2015-09-30 | 中铁电气化局集团有限公司 | Close maintenance-free ratchet compensation device which can be arranged in inclined mode |
| CN106891777A (en) * | 2015-12-19 | 2017-06-27 | 扬州东方吊架有限公司 | A kind of built-in pendant top compensation device |
| CN106904102A (en) * | 2015-12-23 | 2017-06-30 | 扬州东方吊架有限公司 | A kind of rotatable tensioning apparatus |
| CN108394316B (en) * | 2018-05-10 | 2023-07-07 | 西南交通大学 | Suspension type rigid contact net expansion joint |
| CN110196032A (en) * | 2019-07-11 | 2019-09-03 | 南京普泰德电气科技有限公司 | A kind of railway contact line ratchet compensating device a (b) value measurement method and system |
| CN111830207B (en) * | 2020-07-10 | 2022-12-23 | 中铁一局集团电务工程有限公司 | Detection platform before installation of contact net ratchet |
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- 2009-12-17 CN CN2009102623468A patent/CN101722867B/en active Active
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- 2010-12-16 WO PCT/CN2010/079899 patent/WO2011072615A1/en active Application Filing
- 2010-12-16 RU RU2012130384/11A patent/RU2547952C2/en active
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| JP2005225423A (en) * | 2004-02-16 | 2005-08-25 | Meielec:Kk | Pulley type tension balancer |
| CN2716594Y (en) * | 2004-04-27 | 2005-08-10 | 铁道部电气化工程局宝鸡器材厂 | Self lubricating compensation pulley device |
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Also Published As
| Publication number | Publication date |
|---|---|
| RU2547952C2 (en) | 2015-04-10 |
| WO2011072615A1 (en) | 2011-06-23 |
| CN101722867A (en) | 2010-06-09 |
| RU2012130384A (en) | 2014-01-27 |
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Address after: 721013 No. 196 High-tech Avenue, Baoji High-tech Development Zone, Shaanxi Province Patentee after: China Iron and high - speed electrical equipment Limited by Share Ltd Address before: 721013, 196, hi tech Avenue, Gaoxin East District, Shaanxi, Baoji Patentee before: China Railway Electrification Bureau Group Baoji Equipment Co., Ltd. |