CN201626428U - Tippler flexible main arm device - Google Patents
Tippler flexible main arm device Download PDFInfo
- Publication number
- CN201626428U CN201626428U CN2010201771174U CN201020177117U CN201626428U CN 201626428 U CN201626428 U CN 201626428U CN 2010201771174 U CN2010201771174 U CN 2010201771174U CN 201020177117 U CN201020177117 U CN 201020177117U CN 201626428 U CN201626428 U CN 201626428U
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- Prior art keywords
- arm
- crank
- car
- connecting rod
- pulling arm
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- Expired - Lifetime
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Abstract
The utility model discloses a tippler flexible main arm device which comprises a base, a crank, a connecting rod I and a tippler arm and is characterized in that the crank is fixedly connected with a driving shaft A point and hinged with the connecting rod I; the connecting rod I is hinged with the tippler arm which is supported by a front guide wheel and a rear guide wheel; a braking roller is hinged with a swing arm which is respectively hinged with the AF section of the crank and a frame linking rod; the AF section of the crank is synchronized with the crank; when the center of gravity of the tippler arm is positioned at the left side of the front guide wheel, the base, the crank, the connecting rod I, the tippler arm and the front guide wheel form a five-rod mechanism, thus realizing the button-down movement of the tippler arm and being separated with the rear guide wheel; and the base, the crank, the braking roller, the swing arm and the frame linking rod form a braking four-rod mechanism.
Description
Technical field
The utility model relates to shunts or towing appliance closely, relates 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.If the flexible big arm that will adopt at present uses, can cause certain infringement risk on exported product.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.Wherein, 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 big arm support wheel 2 ' be the fulcrum rotation, because pinch roller 12 ' TRAJECTORY CONTROL, flexible 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 purpose of this utility model is that 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 utility model is achieved in that
A kind of telescopic boom device of trailer unit, 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, and car pulling arm is supported by forward and backward track adjusting wheel, and brake wheel and swing arm are hinged, swing arm respectively with crank on AF section and connecting rod II hinged, AF section and crank on the crank are synchronous; When the car pulling arm center of gravity was positioned at the left side of front jockey wheel, described support, crank, connecting rod I, car pulling arm and front jockey wheel constituted five-rod, and following the pulling of having realized car pulling arm done and broken away from the back track adjusting wheel; Described support, crank, brake wheel, swing arm and side link then constitute the braking four-bar mechanism.
Compared with prior art, advantage of the present utility model 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 utility model.
Fig. 2 is the second working stage structural scheme of mechanism of the present utility model.
Fig. 3 is the 3rd a working stage structural scheme of mechanism of the present utility model.
Fig. 4 is stretching out and the snap-hook structure sketch of existing flexible big arm.
Among the figure: 1, support, 2, driving link (tooth bar hydraulic oil cylinder driving), 3, connecting rod I, 4, car pulling arm, 5, front guide roller, 6, the back guide roller, 7, brake wheel, 8, swing arm 9, side link; 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
As Fig. 1 ~ a kind of telescopic boom device of trailer unit shown in Figure 3, the motion process of this flexible big arm is divided into four actions: stretch out (1); (2) detain down; (3) lift on; (4) withdrawal.
First moves---and stretch out motion, the car pulling arm center of gravity is between two rollers during beginning, and car pulling arm contacts with two orienting rolls; To preceding orienting roll the place ahead,, make car pulling arm detain down as if centre-of-gravity motion this moment owing to this stage nip drum approximate straight line motion.
Second action (working stage)---down button motion, when the nip drum upward movement, the car pulling arm centre-of-gravity motion makes car pulling arm at the following button of the effect of gravity to the place ahead of preceding orienting roll again, nip drum is controlled its motion car pulling arm is detained under the characteristics of motion by being scheduled at this moment.This stage gravity is propulsion source, and the tooth bar oil cylinder produces resisting moment, the motion of control car pulling arm.
The 3rd the action---on lift motion, car pulling arm needs to lift level attitude after car puller is finished group car action, the gravity that this stage tooth bar oil cylinder overcomes car pulling arm provides power, and this moment, pressing roller still contacted car pulling arm, makes car pulling arm realize by the predetermined characteristics of motion lifting motion.
The 4th action---retraction movement, the inverse process of first action.
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1, if car pulling arm 4 centers of gravity are between guide roller 5 and 6, car pulling arm 4 contacts with guide roller 5 and 6 and forms similar slide block, the four-bar mechanism of being made up of driving link crank 2, connecting rod I 3, car pulling arm 4, support 1 and guide roller 5,6 is a slider-crank mechanism, realizes that the level of mechanism is stretched out and retraction movement.If 4 centre-of-gravity motions of horizontal segment car pulling arm are to the place ahead of front guide roller 5, because brake wheel 7 is under the four-bar mechanism effect that support 1, driving link crank 2, swing arm 8, side link 9 are formed, make approximate straight line motion in this section, car pulling arm 4 can be because of the effect of gravity button down in advance, it is safe and reliable to embody this mechanism.
As shown in Figure 2, car pulling arm 4 centers of gravity have moved to front guide roller 5 the place aheads, and brake wheel 7 upward movements, gravity makes car pulling arm detain for 4 times, and with the back guide roller 6 disengage, thereby form five-rod and braking four-bar mechanism, five-rod is by support 1, driving link crank 2, connecting rod I 3, car pulling arm 4 and front guide roller 5 are formed, four-bar mechanism is by support 1, driving link crank 2, swing arm 8 and brake wheel 7, side link 9 is formed, make 4 times buttons of car pulling arm by gravity drive, and brake wheel 7 is pushed down car pulling arm, thereby car pulling arm 4 is detained down by predetermined characteristics of motion 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 propulsion source 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, because the hitch height differs, interfere or the button sky for unlikely causing, can car pulling arm 4 be adjusted to a desirable following button bit by adjustment brake wheel 7 position on the swing arm 8 in four-bar mechanism and put.
As shown in Figure 3, car pulling arm 4 needs to lift to level attitude after car puller is finished group car action, the crank 2 that is driven five-rod by the tooth bar hydraulic oil cylinder driving rotates, overcome the gravity of car pulling arm 4, the brake wheel 7 of four-bar mechanism is pushed down car pulling arm 4 simultaneously, makes car pulling arm 4 realize by the predetermined characteristics of motion lifting motion.
Claims (1)
1. telescopic boom device of trailer unit, 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 hinged with connecting rod I (3), connecting rod I (3) is hinged with car pulling arm (4), and car pulling arm (4) is by forward and backward track adjusting wheel (5,6) support, brake wheel (7) and swing arm (8) are hinged, swing arm (8) respectively with crank (2) on AF section and side link (9) hinged, the AF section on the crank (2) and crank (2) are synchronously; When car pulling arm (4) center of gravity was positioned at the left side of front jockey wheel (5), described support (1), crank (2), connecting rod I (3) car pulling arm (4) and front jockey wheel (5) constituted five-rod, and following the pulling of having realized car pulling arm (4) done and broken away from back track adjusting wheel (6); Described support (1), crank (2), brake wheel (7), swing arm (8) and side link (9) then constitute the braking four-bar mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201771174U CN201626428U (en) | 2010-04-29 | 2010-04-29 | Tippler flexible main arm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201771174U CN201626428U (en) | 2010-04-29 | 2010-04-29 | Tippler flexible main arm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201626428U true CN201626428U (en) | 2010-11-10 |
Family
ID=43057817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201771174U Expired - Lifetime CN201626428U (en) | 2010-04-29 | 2010-04-29 | Tippler flexible main arm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201626428U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101811504A (en) * | 2010-04-29 | 2010-08-25 | 大连华锐股份有限公司 | Telescopic boom device of trailer unit |
| CN106185376A (en) * | 2016-08-24 | 2016-12-07 | 中国神华能源股份有限公司 | Car puller |
| CN114380081A (en) * | 2022-01-21 | 2022-04-22 | 中煤科工智能储装技术有限公司 | Unmanned railway coal leveling and compacting system and method |
-
2010
- 2010-04-29 CN CN2010201771174U patent/CN201626428U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101811504A (en) * | 2010-04-29 | 2010-08-25 | 大连华锐股份有限公司 | Telescopic boom device of trailer unit |
| CN106185376A (en) * | 2016-08-24 | 2016-12-07 | 中国神华能源股份有限公司 | Car puller |
| CN114380081A (en) * | 2022-01-21 | 2022-04-22 | 中煤科工智能储装技术有限公司 | Unmanned railway coal leveling and compacting system and method |
| CN114380081B (en) * | 2022-01-21 | 2023-11-24 | 中煤科工智能储装技术有限公司 | Unmanned railway coal leveling and compacting system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20101110 Effective date of abandoning: 20111116 |