WO2011072615A1 - 一种棘轮补偿装置 - Google Patents
一种棘轮补偿装置 Download PDFInfo
- Publication number
- WO2011072615A1 WO2011072615A1 PCT/CN2010/079899 CN2010079899W WO2011072615A1 WO 2011072615 A1 WO2011072615 A1 WO 2011072615A1 CN 2010079899 W CN2010079899 W CN 2010079899W WO 2011072615 A1 WO2011072615 A1 WO 2011072615A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- ratchet
- wheel
- connecting plate
- brake
- ratchet wheel
- Prior art date
Links
Classifications
-
- 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
Definitions
- the invention relates to a ratchet compensation device, belonging to the technical field of high-speed electrified railway contact net parts manufacturing. Background technique
- the ratchet compensation device is mainly used for the electrified railway contact net and the anchor of the flexible suspension of the urban rail transit to compensate and adjust the clue tension of the contact line or the bearing cable.
- the existing ratchet compensation device has the following problems, that is, the direct friction between the small wheel end faces on both sides of the ratchet body and the inner side of the ratchet frame connecting plate when the ratchet body is offset, which may cause the ratchet to be unstable and inflexible;
- the compensation distance is not large, and the tension of the contact line between the anchors with large spans cannot be compensated for tension; and the rated working tension is small, gp, that is, the compensation tension is small (the compensation tension of the line is at most 15kN)
- the tolerance tension of the compensation device rope is small; the rigidity of the bracket is insufficient; the deviation of the compensation device rope during operation, friction and the like affect the service life and transmission effect of the ratchet; the ratchet bracket is manufactured by open hook and splicing, and the compensation device cannot be guaranteed.
- a technical problem to be solved by the present invention is to provide a ratchet compensation device which can prevent the small wheel end face on both sides of the ratchet body and the inner side of the ratchet frame connecting plate when the ratchet body is offset
- the direct friction can also avoid the occurrence of ratcheting and inflexible rotation, and at the same time improve the transmission efficiency.
- the present invention provides a ratchet compensating device including a ratchet body, a ratchet brake bracket, a long bolt pin, a ratchet frame connecting plate, a brake card plate, a balance wheel, a wire rope I, a wire rope II, and
- the ratchet body is mounted on the front end of the ratchet frame connecting plate, and the ratchet body is provided with a large wheel with a ratchet and a small wheel I and a small wheel rim, and the small wheel I and the small wheel II are symmetrically located on both sides of the large wheel;
- One end of the wire rope I is connected to the wire clamp, and the other end is wound on the big wheel in turn, and the end of the other end is fixed on one side of the outer peripheral surface of the big wheel;
- one end of the wire rope II is fixed between the two small wheels, and the other end is fixed After being wound around the small wheel I in turn, and after winding around and passing the outer circumference of the balance wheel
- a guiding rope groove I is formed on the circumferential surface of the large wheel, and a part of the wire rope I is located in the guiding rope groove I; a guiding rope groove is formed on the circumferential surface of the small wheel I and the small wheel rim The outer end surface of the small wheel I and the small wheel II is provided with a rib, and a part of the wire rope II is located in the guiding rope groove II.
- the self-lubricating sliding bearing is a flanged copper-based self-lubricating sliding bearing with a flanged outer side.
- the ratchet brake frame consists of a riser, a standing rib and a "V" type connecting plate.
- the vertical rib is connected to the inner side of the riser, and the "V" type connecting plate is fixed at the upper end of the riser; the steel pipe is spliced to the "V" type connecting plate; the slab is spliced to the middle of the riser and the standing rib;
- the card plate and the pad are fixed at an upper end of the pad at an angle; the rear end of the ratchet frame connecting plate is hinged through the steel pipe through the bolt
- the "V” type connecting plate has the steel pipe between the ratchet frame connecting plates.
- the present invention is advantageous in that the ratchet body is formed by low pressure casting of a metal mold, the ratchet shaft is a stainless steel shaft, and the steel cord I and the steel cord II are impregnated asphalt type galvanized steel wire ropes.
- the brake card has a flat braking surface that cooperates with the ratchet for braking, and the ratchet body has a double row of straight teeth.
- the invention adopts a rotation mode in which a self-lubricating sliding bearing cooperates with an end-face self-lubricating bearing, which can avoid direct friction between the small wheel end surface on both sides of the ratchet body and the inner side of the ratchet frame connecting plate when the ratchet body is offset, thereby avoiding the ratchet card
- the phenomenon that the stagnation of rotation is inflexible occurs, and the transmission efficiency can also be improved.
- the use of a flanged copper-based self-lubricating bearing and a self-lubricating bearing on the end face eliminates the need for high-altitude refueling maintenance on the railway site.
- the size wheel of the ratchet body of the invention has a guiding rope groove, and the end face of the small wheel has a rib, which overcomes the phenomenon that the compensation wire rope runs away, rubs against each other and overlaps. Due to the guiding and restriction of the rope groove, the compensation wire ropes have no friction with each other during operation, and do not run off, greatly increasing the service life of the compensation wire rope and improving the safety margin of the ratchet; the ratchet wheel end face has a rib, that is The entangled compensation wire rope will not slip off the wheel and cause a stuck accident.
- the ratchet brake frame of the invention is a riser and a rib structure, has good overall rigidity, high strength, no deformation during use, guarantees parallelism and verticality requirements, and is less prone to skew when the ratchet works, and is consistent. Good, interchangeable.
- the end face of the brake card board of the invention is straight, the braking mode adopts straight tooth brake, the braking area is wide, and the brake insurance is high.
- the brake card can immediately catch the ratchet even when the ratchet wheel body is offset and strung while braking. Complete the disconnect brake function.
- the brake card is left with a gap when the force is applied, there is no danger of jamming and the safety performance is improved.
- the anchor lateral support is added to the rear end of the ratchet frame connecting plate of the invention, and the stability of the ratchet frame can be improved under the condition of appropriately increasing the distance between the two connecting plates and increasing the compensation distance, and the ratchet frame connecting plate and the ratchet brake frame are adopted.
- the connection method of the bolted steel pipe is reliable and firm, which can prevent the ratchet frame from jumping out and ensure the manufacturing precision.
- the invention has novel structure, simple installation and maintenance, safety and reliability, and the compensation wire rope is immersed asphalt type galvanized steel wire rope (the comprehensive breaking force is 75.41 ⁇ ), and it is possible to use the working tension to reach 32kN and the compensation distance to reach 950m, which can meet the high speed.
- the electrified railway contact network and the anchorage of the urban rail transit flexible suspension compensate for the need to adjust the tension.
- the ratchet compensating device of the present invention optimizes the structural design, simplifies the manufacturing process, and improves the safety performance. It not only meets the requirements of large tension and compensation distance of high-speed electrified railway contact network, but also makes installation and maintenance more convenient.
- FIG. 1 is a front view showing the structure of a ratchet compensating device of the present invention
- FIG. 2 is a cross-sectional view showing the structure of a ratchet body of the present invention
- FIG. 3 is a perspective view showing the structure of a ratchet compensating device of the present invention
- Figure 4 is a perspective view of the brake card board of the present invention.
- Figure 5 is a schematic view showing the installation of the ratchet compensation device of the present invention. Detailed ways
- a ratchet compensation device comprising a ratchet body 1, a ratchet brake bracket 2, a long bolt pin 3, a ratchet frame connecting plate 4, a brake card plate 5, a balance wheel 6, a wire rope I 7 wire rope ⁇ 7 ' and a double-ear wedge line folder 8.
- the ratchet body 1 is mounted on the ratchet shaft 11 by a self-lubricating sliding bearing 10, in particular a pair of flanged copper-based self-lubricating plain bearings 10, with the flange being located on the outside.
- Both ends of the ratchet shaft 11 are fixed to the front end of the ratchet frame connecting plate 4, and end faces of the ratchet shaft 11 are mounted with end face self-lubricating bearings 14, which are located between the ratchet frame connecting plate 4 and the self-lubricating sliding bearing 10.
- the ratchet body is offset to make the flange of the self-lubricating sliding bearing and the end surface self-lubricating bearing contact, the two rotate relative to each other, thereby avoiding the direct friction between the ratchet body and the ratchet frame connecting plate, and also avoiding the inflexibility of the ratcheting rotation. The phenomenon occurs.
- the ratchet body 1 is formed with a large wheel 12 with a ratchet and a small wheel I 13 , a small wheel II 13 ', and the small wheel I 13 and the small wheel II 13 ' are symmetrically located on both sides of the large wheel 12; the circumference of the large wheel 12
- a guide rope groove I 9 is formed on the surface, and a part of the wire rope I 7 is located in the guide rope groove I 9 ;
- a guide groove 11 17 is formed on the circumferential surface of the small wheel I 13 and the small wheel II 13 '
- the rib 15 and a portion of the wire rope 117' are located in the guide rope groove II 17.
- wire rope I 7 is connected to the wire clamp 8 , and the other end is sequentially wound around the large wheel 12 through the guide rope groove I 9 and fixed to the large wheel 12; one end of the wire rope II 7 ' is fixed between the two small wheels, The other end is wound by the guide rope groove II 14 in turn on the small wheel I 13 and then wound around the balance wheel 6 and then wound on the other side small wheel rim 13 ', and the end is fixed between the two small wheels.
- the ratchet body 1 of the present invention can be seen as being in the normal position of the work by the horizontal tension of the horizontal rope 7' and the vertical downward tension of the rope 7 in the vertical direction. In this position, the ratchet body 1 is not in contact with the brake card 5. Once the tension on the rope V is relaxed, the ratchet body 1 will swing downward with the ratchet frame link 4 about the hinge device 22 on the one hand, and on the other hand the ratchet body 1 will pull downward with the downward movement of the vertical rope 7 (weight) When the ratchet shaft 11 is rotated, the ratchet body of the ratchet body 1 is caught on the brake card 5, so that the ratchet body 1 is braked by the brake card 5.
- the rear end of the ratchet frame connecting plate 4 is fixed with a lateral support 16 formed by a steel shaft with steps at both ends, and the step is for defining between the two ratchet frame connecting plates 4 on the inner side of the ratchet frame connecting plate 4.
- the distance of the ratchet frame connecting plate 4 is supported by the distance.
- Both ends of the lateral support 16 are anchored to the ratchet frame connecting plate
- the ratchet brake bracket 2 is composed of a riser 18, a standing rib 19, and a "V" type connecting plate 20.
- the vertical rib 19 is connected to the inner side of the riser 18, and the "V" type connecting plate 20 is fixed to the upper end of the riser 18; the steel pipe 23 is spliced to the "V" type connecting plate 20; the backing plate 21 is spliced to the riser 18 And a middle portion of the standing rib 19; the brake card 5 is fixed at an upper end of the backing plate 21 at an angle; the rear end of the ratchet frame connecting plate 4 is hinged to the "V" type connecting plate 20 through the steel pipe 23 by bolts 22, and The steel pipe 23 is placed between the ratchet frame webs 4.
- the long bolt pin 3 is connected to the lower anchor base through the riser 18.
- the ratchet body 1 is formed by low-pressure casting of a metal mold and sandblasting the surface.
- the ratchet shaft 11 is a stainless steel shaft for improved corrosion resistance.
- Wire rope I 7 and wire rope ⁇ 7 ' is a leached asphalt type galvanized steel wire rope (its comprehensive breaking force 75. 41 ⁇ ).
- the ratchet brake bracket 2 is fixed to the lower anchor base 27 by a long bolt pin 3 by a washer, a nut, and a split pin.
- the lower anchor base 27 is fixed to the support rod 28, and the support rod 28 is shown. It is fixed upright on the foundation 29. Adjust the position of the ratchet frame plate 4 with the bolts 22 so that the ratchet body 1 is in the design mounting position, and then screw the nut at the end of the bolt 22 (see Figure 3). Adjust the distance between the front end face of the brake plate 5 and the ratchet on the large wheel 12 of the ratchet body 1 to the working position.
- the balance wheel 6 is connected with the U-shaped rotating lug or the ball-end hanging ring at the end of the bearing cable or the contact line to ensure correct and continuous compensation force of the contact wire or the bearing cable.
- the ratchet compensating device in the relatively upper position is connected to the bearing cable (not shown) on the right side of the balance wheel via the balance wheel 6, and the ratchet compensating device in the relatively lower position passes through the balance wheel 6
- the contact wires not shown in the figure on the right side of the balance wheel are connected.
- the counterweight 30 is coupled to the large wheel 12 on the ratchet body 1 via a double-eared wedge clamp 8 and a wire rope I 7 , respectively. Therefore, the contact line or load-bearing cable can withstand correct and continuous compensation.
- FIG. 5 when the wire is braked, the weight 30 pulls the ratchet body 1 downward, so that the ratchet frame connecting plate 4 swings downward about the hinge point 22, and the ratchet body 1 also wraps around the spine. axle 11 rotation, therefore, the ratchet teeth 32 on the large wheel 12 of the ratchet body 1 are caught on the flat end face 31 of the brake card plate 5, and the brake card plate 5 brakes the ratchet wheel.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
- Emergency Lowering Means (AREA)
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2012130384/11A RU2547952C2 (ru) | 2009-12-17 | 2010-12-16 | Компенсационное устройство храпового колеса |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009102623468A CN101722867B (zh) | 2009-12-17 | 2009-12-17 | 棘轮补偿装置 |
CN200910262346.8 | 2009-12-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011072615A1 true WO2011072615A1 (zh) | 2011-06-23 |
Family
ID=42444631
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2010/079899 WO2011072615A1 (zh) | 2009-12-17 | 2010-12-16 | 一种棘轮补偿装置 |
Country Status (3)
Country | Link |
---|---|
CN (1) | CN101722867B (zh) |
RU (1) | RU2547952C2 (zh) |
WO (1) | WO2011072615A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111830207A (zh) * | 2020-07-10 | 2020-10-27 | 中铁一局集团电务工程有限公司 | 一种接触网棘轮安装前检测平台 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101716893B (zh) * | 2009-12-17 | 2012-04-04 | 中铁电气化局集团宝鸡器材有限公司 | 伞齿棘轮补偿装置 |
CN101722867B (zh) * | 2009-12-17 | 2012-11-14 | 中铁电气化局集团宝鸡器材有限公司 | 棘轮补偿装置 |
CN102734429B (zh) * | 2012-06-19 | 2016-01-06 | 江苏高博智融科技有限公司 | 一种棘轮 |
CN104943563A (zh) * | 2015-06-19 | 2015-09-30 | 中铁电气化局集团有限公司 | 可倾斜安装封闭免维护棘轮补偿装置 |
CN106891777A (zh) * | 2015-12-19 | 2017-06-27 | 扬州东方吊架有限公司 | 一种内置式坠陀补偿装置 |
CN106904102A (zh) * | 2015-12-23 | 2017-06-30 | 扬州东方吊架有限公司 | 一种可转动的张紧装置 |
CN108394316B (zh) * | 2018-05-10 | 2023-07-07 | 西南交通大学 | 一种悬挂式的刚性接触网膨胀接头 |
CN110196032A (zh) * | 2019-07-11 | 2019-09-03 | 南京普泰德电气科技有限公司 | 一种铁路接触网棘轮补偿装置a(b)值测量方法及系统 |
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- 2010-12-16 WO PCT/CN2010/079899 patent/WO2011072615A1/zh active Application Filing
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CN2818213Y (zh) * | 2005-09-23 | 2006-09-20 | 于小四 | 用于轨道交通的断线制动补偿装置 |
CN101716893A (zh) * | 2009-12-17 | 2010-06-02 | 中铁电气化局集团宝鸡器材有限公司 | 伞齿棘轮补偿装置 |
CN101722867A (zh) * | 2009-12-17 | 2010-06-09 | 中铁电气化局集团宝鸡器材有限公司 | 新型棘轮补偿装置 |
CN201592660U (zh) * | 2009-12-17 | 2010-09-29 | 中铁电气化局集团宝鸡器材有限公司 | 伞齿棘轮补偿装置 |
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CN111830207A (zh) * | 2020-07-10 | 2020-10-27 | 中铁一局集团电务工程有限公司 | 一种接触网棘轮安装前检测平台 |
Also Published As
Publication number | Publication date |
---|---|
RU2012130384A (ru) | 2014-01-27 |
CN101722867B (zh) | 2012-11-14 |
RU2547952C2 (ru) | 2015-04-10 |
CN101722867A (zh) | 2010-06-09 |
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