CN101823490B - Telescopic arm mechanism of car puller - Google Patents
Telescopic arm mechanism of car puller Download PDFInfo
- Publication number
- CN101823490B CN101823490B CN2010101610849A CN201010161084A CN101823490B CN 101823490 B CN101823490 B CN 101823490B CN 2010101610849 A CN2010101610849 A CN 2010101610849A CN 201010161084 A CN201010161084 A CN 201010161084A CN 101823490 B CN101823490 B CN 101823490B
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- Prior art keywords
- arm
- connecting rod
- car
- crank
- pulling arm
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Abstract
The invention discloses a telescopic arm mechanism of a car puller, comprising an engine base, a crank, a connecting rod I and a car pulling arm, wherein the crank is fixedly connected with a point A of a drive shaft and is articulated with the connecting rod I, the connecting rod I is articulated with the car pulling arm which is supported by a front guide wheel and a rear guide wheel, a brakingroller wheel is articulated with a swing arm, the swing arm is articulated with the engine base, a connecting rod II is respectively articulated with the swing arm and an A I section of the crank, and the A I section is synchronous with the crank. When a barycenter of the car pulling arm is positioned between the front guide wheel and the rear guide wheel, a slider-crank mechanism comprises the engine base, the connecting rod I, the car pulling arm, the front guide wheel and the rear guide wheel to realize the telescopic movement of the car pulling arm, and the connecting rod I and the car pulling arm are arranged on the crank; and a brake connecting rod mechanism comprises the engine base, the crank, the connecting rod I, the car pulling arm, the front guide wheel, the rear guide wheel, the swing arm, the connecting rod II and the braking roller wheel to realize the luffing motion of the car pulling arm.
Description
Technical field
The present invention relates to shunt or towing appliance closely, relate in particular to vehicle propulsion device.The major equipment that belongs to the car puller that draws not decoupling device special gondola row.
Background technology
Tipper unloading system is a kind of high-efficiency automatic operating system that steel mill, power plant, harbour etc. are located that is widely used in, and is used for the dumping truck.Car puller is a marshalling facilities wherein.Generally, car puller adopts the big arm of pitching to realize the traction open-top car operation of tipper unloading system.The nineties, in order to raise the efficiency, China has introduced the change trains or buses special purpose railway open-top car of hook of external taking back.When this open-top car is listed in traction, the big arm of car puller must be fallen the hitch top between two joint open-top cars, thereby realize not decoupling device of car team traction.For this reason, also from the external car puller that has flexible big arm of having introduced, utilize flexible big arm to come clasp to lead car.Correspondingly, the Ministry of Railways improves by flexible big arm also with the novel open-top car of its design-calculated.Present special gondola can only be with flexible big arm operation, and the big arm of pitching will be interfered with vehicle accessory when moving between the car team of not opening.But, present flexible big arm then can cause certain infringement risk on the exported product as if being used in.Existing flexible big arm stretch out and snap-hook structure as shown in Figure 4.
Wherein: 1 ' be flexible big arm, 2 ' be support wheel before the big arm, 3 ' be support wheel behind the big arm, 4 ', 5 ' respectively be the fork of slider-crank mechanism, 6 ' be the hinge-point of two fork spares, 7 ' be axle drive shaft, 8 ' be fork and the hinge of big arm, 9 ' be cam, cam 9 ' and fork 4 ' be fixed in axle drive shaft 7 ' on, 10 ' be lever, it is by hinge-point 11 ' be hinged on the permanent seat, 12 ' be pinch roller, its be hinged on lever 10 ' on, 13 ' be flower wheel, its be hinged on lever 10 ' on.Part 1 '-8 ' slider-crank mechanism of formation, by axle drive shaft 7 ' rotation drive big arm 1 ' support wheel 2 ', 3 ' on parallel motion.Part 9 '-13 ' cam mechanism of formation, by axle drive shaft 7 ' power cam 9 ', when cam mechanism rotates, control flower wheel 13 ' track, and then by lever 10 ' control pinch roller 12 ' track, because pinch roller 12 ' be pressed in big arm 1 ' the rear portion, so when big arm 1 ' center of gravity deflection support wheel 2 ' front end the time, big arm 1 ' will be with support wheel 2 ' be that fulcrum rotates, owing to pinch roller 12 ' TRAJECTORY CONTROL, big arm 1 ' track be unique, thereby realized the clasp action of equipment.
Prior art is owing to have cam mechanism, processing difficulties, install complicated, cost is high, therefore researching and developing a kind of energy, to substitute new departure of prior art imperative.
Summary of the invention
The objective of the invention is to, utilization topological optimization principle proposes new departure of a kind of telescopic arm mechanism of car puller, substitutes existing technical scheme, to evade its risk.
Technical solution of the present invention is achieved in that
A kind of telescopic arm mechanism of car puller, comprise support, crank, connecting rod I and car pulling arm, it is characterized in that: crank and axle drive shaft A point are affixed, and I is hinged with connecting rod, connecting rod I and car pulling arm are hinged, car pulling arm is by preceding, back track adjusting wheel supports, brake wheel and swing arm are hinged, swing arm and support are hinged, connecting rod II then respectively with swing arm and crank on the AI section hinged, this AI section and crank are synchronous, before the car pulling arm center of gravity is positioned at, in the time of between the back track adjusting wheel, described support, crank, connecting rod I, before car pulling arm reaches, back track adjusting wheel has constituted slider-crank mechanism, in order to realize the fore and aft motion of car pulling arm; Described support, crank, connecting rod I, pull out car arm, forward and backward track adjusting wheel, swing arm, pipe link II and brake wheel and then constitute brake connecting rod mechanism, in order to realize the luffing of car pulling arm.
Compared with prior art, advantage of the present invention mainly shows:
1, owing to adopt the ingenious combination and the accurate Calculation of connecting rod mechanism, realize predetermined path of movement, connecting rod mechanism adopts lower pair to connect, and is simple in structure, is easy to processing, installs and can guarantees accuracy requirement.Lower pair is the face contact, so kinematic pair is easy to lubricate, wearing and tearing are little, can be fit to the load requirement of car puller.Relative motion between the planar linkage mechanism member is complicated plane motion, thereby can realize various motion requirement, by Dimension Synthesis to four-bar mechanism, the speed that makes the terminal car pulling arm of motion detain down is zero, and make acceleration/accel effectively reduce, both eliminate the impact of move terminal car pulling arm and hitch, reduced the impact of car puller internal system again.
2, because down during the button motion, car pulling arm gravity is power, so at the compartment hitch height tolerance of same model, car pulling arm can be realized the clasp that floats, make each clasp can both keep the hitch and the closed contact of arm greatly, improved the clasp reliability.
3, at the different hitch height in different model compartment, different following button height can be set by the position of adjusting nip drum, actv. reduces to impact and detain empty possibility, has enlarged the Applicable scope of car puller.
Description of drawings
Fig. 1 is an initial shift structural scheme of mechanism of the present invention.
Fig. 2 is the second working stage structural scheme of mechanism of the present invention.
Fig. 3 is the 3rd a working stage structural scheme of mechanism of the present invention.
Fig. 4 is stretching out and the snap-hook structure sketch of existing flexible big arm.
Among the figure: 1, support, 2, driving link, 3, connecting rod, 4, car pulling arm, 5, front guide roller, 6, the back track adjusting wheel, 7, brake wheel, 8, swing arm 9, connecting rod II; 1 ' flexible big arm, support wheel before the 2 ' big arm, support wheel behind the 3 ' big arm, 4 ' fork I, 5 ' fork II, the hinge-point of 6 ' two fork spares, 7 ' axle drive shaft, the hinge of 8 ' fork and big arm, 9 ' cam, 10 ' lever, 11 ' hinge, 12 ' pinch roller, 13 ' flower wheel.
The specific embodiment
Telescopic arm mechanism of car puller as shown in Figure 1-Figure 3, described flexible big arm mechanism adopt car pulling arm stretch out → detain down → on the action scheme lifting → withdraw, realize by eight-linkage mechanism.Described eight-linkage mechanism is combined by five-rod and four-bar mechanism parallel connection.The elastic motion of car pulling arm realizes that by four-bar mechanism (crank block) it comprises: support, driving link (crank), connecting rod I, car pulling arm and two guide rollers; Luffing is realized by eight-linkage mechanism, comprises support, driving link (crank), connecting rod I, car pulling arm and front guide roller, swing arm, connecting rod II and brake wheel composition.Be divided into three working stages by this mechanical work principle: (1) is flexible; (2) detain down; (3) lift on.
Initial shift---fore and aft motion, the car pulling arm center of gravity is between two rollers, car pulling arm contacts the formation slide block and moves back and forth pair with two orienting rolls, by the four-bar mechanism (slider-crank mechanism) that driving link (crank), connecting rod I, car pulling arm (and guide roller), support are formed, realize that the level of mechanism is stretched out and retraction movement.This moment, brake wheel did not contact with car pulling arm, so the braking four-bar mechanism does not work.
Second working stage---button motion down, the zone outside the preceding orienting roll is arrived in the car pulling arm centre-of-gravity motion, make and detain under the car pulling arm, and with the back orienting roll disengage, thereby form five-rod and braking four-bar mechanism, five-rod is a support, driving link (crank), connecting rod I, car pulling arm and front guide roller, the braking four-bar mechanism is a support, driving link (crank), connecting rod II, swing arm (and brake wheel), make button under the car pulling arm by the gravity drive five-rod, and the brake wheel roll extrusion contact car pulling arm of braking four-bar mechanism, thereby form braking, make car pulling arm by detaining under the predetermined characteristics of motion.
The 3rd working stage---on lift motion, car pulling arm needs to lift level attitude after car puller is finished group car action, crank by five-rod drives, and makes the brake wheel roll extrusion contact car pulling arm of braking four-bar mechanism, makes car pulling arm realize by the predetermined characteristics of motion lifting motion.
Below, the invention will be further described in conjunction with the accompanying drawings.
As shown in Figure 1, car pulling arm 4 centers of gravity are between guide roller 5 and 6, car pulling arm 4 contacts the formation slide block and moves back and forth pair with guide roller 5 and 6, the four-bar mechanism of being made up of driving link crank 2, connecting rod I3, car pulling arm 4 and guide roller 5,6, support is a slider-crank mechanism, realizes that the level of mechanism is stretched out and retraction movement.This moment, brake wheel 7 did not contact with car pulling arm 4, so the braking four-bar mechanism of being made up of support 1, driving link crank 2, connecting rod II9, swing arm 8 does not work.
As shown in Figure 2, car pulling arm 4 centre-of-gravity motions make car pulling arm detain for 4 times to front guide roller 5 left sides, and disengage with back guide roller 6, thereby form five-rod and braking four-bar mechanism, five-rod is support 1, driving link crank 2, connecting rod I3, car pulling arm 4 and front guide roller 5; The braking four-bar mechanism is support 1, driving link crank 2, connecting rod II9, swing arm 8 and brake wheel 7, make 4 times buttons of car pulling arm by the gravity drive five-rod, and the brake wheel 7 of braking four-bar mechanism is pushed down car pulling arm, thereby forms braking, makes car pulling arm 4 by detaining under the predetermined characteristics of motion.When car pulling arm 4 is done down the button motion, because car pulling arm 4 centers of gravity are in guide roller 5 left sides, mechanism's prime power is from the gravity of car pulling arm 4, car pulling arm 4 and just stop motion after hitch contacts, car pulling arm 4 is realized floating like this, has the open-top car hitch of certain altitude deviation can both realize clasp closely for same model.At the compartment of different model,,, can car pulling arm 4 be adjusted to a desirable following button bit by the position of adjustment pressing roller 7 on swing arm 8 and put for unlikely bigger impact or the button sky of causing because the hitch height differs.
As shown in Figure 3, car pulling arm 4 needs to lift to level attitude after car puller is finished group car action, by crank 2 drivings of five-rod, and makes the brake wheel 7 of braking four-bar mechanism push down car pulling arm 4, makes car pulling arm 4 by lifting motion in the predetermined characteristics of motion realization.
Claims (1)
1. telescopic arm mechanism of car puller, comprise support (1), crank (2), connecting rod I (3) and car pulling arm (4), it is characterized in that: crank (2) is affixed with axle drive shaft A point, and it is hinged with connecting rod I (3), connecting rod I (3) is hinged with car pulling arm (4), car pulling arm (4) is by preceding, back track adjusting wheel (5,6) support, brake wheel (7) is hinged with swing arm (8), swing arm (8) is hinged with support (1), connecting rod II then respectively with swing arm (8) and crank (2) on A I section hinged, this A I section and crank (2) are synchronous, before car pulling arm (4) center of gravity is positioned at, back track adjusting wheel (5,6) in the time of between, described support (1), crank (2), connecting rod I (3), before car pulling arm (4) reaches, back track adjusting wheel (5,6) has constituted slider-crank mechanism, in order to realize the fore and aft motion of car pulling arm (4); Described support (1), crank (2), connecting rod I (3), car pulling arm (4), forward and backward track adjusting wheel (5,6), swing arm (8), connecting rod II (9) and brake wheel (7) then constitute brake connecting rod mechanism, in order to realize the luffing of car pulling arm (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101610849A CN101823490B (en) | 2010-04-29 | 2010-04-29 | Telescopic arm mechanism of car puller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101610849A CN101823490B (en) | 2010-04-29 | 2010-04-29 | Telescopic arm mechanism of car puller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101823490A CN101823490A (en) | 2010-09-08 |
| CN101823490B true CN101823490B (en) | 2011-12-07 |
Family
ID=42687723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101610849A Expired - Fee Related CN101823490B (en) | 2010-04-29 | 2010-04-29 | Telescopic arm mechanism of car puller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101823490B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3695185A (en) * | 1971-06-02 | 1972-10-03 | Heyl & Patterson | Railroad car positioner |
| GB1529800A (en) * | 1974-11-27 | 1978-10-25 | Strachan & Henshaw Ltd | Positioning means for rail vehicles |
| DE3826049A1 (en) * | 1988-07-30 | 1990-02-01 | Orenstein & Koppel Ag | Method and equipment for the transport of rail-mounted vehicles |
| CN2545048Y (en) * | 2002-02-08 | 2003-04-16 | 王鹏 | Long arm pitch mechanism with movable counter weight on switcher of railway car |
| CN201186831Y (en) * | 2008-04-09 | 2009-01-28 | 武汉电力设备厂 | Rack driving single car puller |
| CN201646730U (en) * | 2010-04-29 | 2010-11-24 | 大连华锐股份有限公司 | Telescopic large arm mechanism of car poking machine |
-
2010
- 2010-04-29 CN CN2010101610849A patent/CN101823490B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101823490A (en) | 2010-09-08 |
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| C06 | Publication | ||
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Owner name: DALIAN HUARUI HEAVY INDUSTRY GROUP CO., LTD. Free format text: FORMER OWNER: HUARUI CO., LTD., DALIAN Effective date: 20120409 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20120409 Address after: 116013 Bayi Road, Xigang District, Liaoning, China, No. 169, No. Patentee after: Dalian Huarui Heavy Industry Group Co., Ltd. Address before: 116013 Bayi Road, Xigang District, Liaoning, China, No. 169, No. Patentee before: Huarui Co., Ltd., Dalian |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111207 Termination date: 20190429 |