CN104648209A - Dumping device for truck - Google Patents
Dumping device for truck Download PDFInfo
- Publication number
- CN104648209A CN104648209A CN201510056927.1A CN201510056927A CN104648209A CN 104648209 A CN104648209 A CN 104648209A CN 201510056927 A CN201510056927 A CN 201510056927A CN 104648209 A CN104648209 A CN 104648209A
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- rocking bar
- compartment
- hinge
- railway carriage
- car body
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Abstract
The invention relates to the field of dump trucks and provides a dumping device for a truck. The dumping device comprises a cargo loading carriage and a lifting mechanism, wherein a discharging opening is formed in the rear part of the cargo loading carriage; the cargo loading carriage is arranged on a truck body and is hinged to the truck body through lifting lugs at the rear part of the cargo loading carriage; the lifting mechanism comprises a driving mechanism, a rocking bar and connecting rods; the rocking bar is hinged to the truck body through a first hinge point arranged at one end of the rocking bar and is hinged to the connecting rod through a second hinge point arranged at the other end of the rocking bar; the connecting rods are hinged to the cargo loading carriage through third hinge points arranged on the connecting rods; the driving mechanism acts on the first hinge point of the rocking bar, so that the rocking bar rotates relative to the first truck body at the first hinge point, and the turning of the cargo loading carriage is realized; a material retaining plate is connected to the rear part of the connecting rod; when the cargo loading carriage turns, the discharging opening is automatically opened by the material retaining plate, and the dumping process of cargoes is realized. The dumping device disclosed by the invention is simple in structure and easy for maintenance; the turning of the cargo loading carriage is realized by a four-link mechanism. Compared with linear motion of a traditional hydraulic rod, the motion mode disclosed by the invention has the advantage that insufficient strength caused by overlong extension of a piston rod is overcome.
Description
Technical field
The present invention relates to tip-up lorry field, particularly a kind of load truck self-unloading device.
Background technology
Tip-up lorry refers to the vehicle of the unloaded of cargo voluntarily by hydraulic pressure or mechanical lift, be otherwise known as dump wagon, in general, dumping car is exactly install a set of hydraulic lifting mechanism additional on current self-dumping undercarriage for automobile, this car engine is utilized to drive hydraulic lifting mechanism, the certain angle that tilted in compartment is unloaded, and relies on compartment to conduct oneself with dignity the special-use vehicle making it reset.The appearance of dumping car is the development along with the epoch, and the work of carrying has not been in the soluble situation of manpower, uses high-tech and the carrying apparatus developed.
Tip-up lorry is made up of parts such as car chassis, lifting mechanism, loading space and power takeoffs.Automatically to tumble certain angle owing to loading compartment, goods in loading compartment is glided under gravity and realizes discharging voluntarily, less a dead lift process, saves dumping time and labour power greatly, shorten the haul-cycle time, enhance productivity, reducing traffic cost, is conventional Transport Appropriation Rolling Stock, be generally used for the engineering that some are large-scale, move as house changes, section is rebuild, and large-scale carrying is especially widely used in building ground.
The loading compartment of tip-up lorry divides backward tumbling and lateral tilt two kinds, and by the motion of maneuvering system control plunger bar, backwardly tumble comparatively general, promote piston rod and make carriage from overturning, minority is two-way tumbles.General lifting hydraulic pressure system all includes: the control setup of hydraulic reservoir, gear type pump, hydraulic valve hydraulic ram power takeoff and hydraulic valve and power takeoff.Driving engine drives Hydraulic Pump by change-speed box, power takeoff, and high pressure oil enters lifting hydraulic cylinder through distributing valve, oil pipe, promotes piston rod and makes loading carriage from overturning.Tumble comparatively generally with backward, by the motion of maneuvering system control plunger bar, loading compartment can be made to stop in the obliquity of any needs, load compartment and utilize self gravitation and fluid control to reset.
Tip-up lorry is large-scale apparatus, its complex structure, so want frequent maintenance, guarantees the reliable in quality of car, avoids accidents, and extends tenure of use.Tradition adopts hydraulic efficiency gear to load by lifting the device that compartment realizes self-unloading, have oil pollution, be unfavorable for environmental protection, and hydraulic system fault is not easy to investigation, is also not easy to the flip angle realizing accurately controlling to load compartment.Load compartment flip angle larger time hydraulic actuating cylinder the piston rod distance that needs straight-line motion longer, and piston rod is long also increases requirement of strength thereupon.
Summary of the invention
The invention provides a kind of lorry self-unloading device, it adopts motorized motions rocking bar to rotate, thus drives the upset of loading railway carriage or compartment, and structure is simply easy to realize, and overcomes the shortcoming that hydraulic efficiency pressure system lifting drives.
A kind of lorry self-unloading device, comprise loading railway carriage or compartment, lifting mechanism, it is characterized in that: described loading railway carriage or compartment to be placed on car body and to be hinged by the hanger and car body that are positioned at rear portion, described loading railway carriage or compartment, described lifting mechanism comprises driver train, rocking bar and connecting rod, described rocking bar is hinged by the first hinge-point and car body being arranged at its one end, described rocking bar is by being arranged at the second hinge-point of its other end and described rod hinge connection, described connecting rod by the 3rd hinge-point is thereon set and described loading railway carriage or compartment hinged, described driver train acts on the first hinge-point place of described rocking bar, described rocking bar is rotated relative to car body at described first hinge-point place.
Preferably, described driver train comprises motor, worm gear and worm screw, and described motor is installed on car body, drives described worm screw along its axial rotation, described turbine and described rocking bar fix and concentric mutually with described first hinge-point, and described turbine is meshed with described worm screw.
Preferably, rear portion, described loading railway carriage or compartment has discharge port.
Preferably, described connecting rod rear portion is connected with striker plate, for covering and open described discharge port.
Preferably, base angle place, discharge port both sides, described loading railway carriage or compartment be provided with detect whether described striker plate cover described discharge port cover sensor.
Preferably, described both sides, striker plate backgauge face and bottom are provided with the sealing band of protrusion.
Preferably, described in the worm and gear that is meshed, the lead angle of described worm screw is less than the equivalent friction angle between engaging worm wheel.
Preferably, described loading railway carriage or compartment is 0-45 ° relative to car body flip angle.
Preferably, car body is provided with limit sensors, limits described rocking bar turned position.
The invention provides a kind of lorry self-unloading device, its beneficial effect is: adopt motor to drive and replace traditional hydraulic-driven, structure is simple, and noise is low, is easy to safeguard, does not have the pollution of greasy dirt, maintain clean working environment, be conducive to environmental protection.The present invention adopts Worm Wheel System, its compact conformation, stable drive, larger transmitting ratio can be realized, transmission process controllable precise, be easy to be parked in optional position, and can self-locking be realized, prevent in the switching process of loading railway carriage or compartment because the reasons such as unexpected power-off cause loading railway carriage or compartment to fall.The present invention is by being hinged on the rocking bar on car body, the connecting rod hinged with rocking bar, the four-bar mechanism formed with the loading railway carriage or compartment of rod hinge connection, achieves the upset in loading railway carriage or compartment, compared with conventional hydraulic bar straight-line motion, avoid because piston rod stretches out the long undercapacity caused.Connecting rod rear portion is provided with striker plate, automatically opens, goods is glided under gravity and achieves Discharging Process while the upset of loading railway carriage or compartment under the drive of striker plate at connecting rod.
Accompanying drawing explanation
Fig. 1 is lorry self-unloading device overall structure schematic diagram of the present invention.
Fig. 2 is lorry self-unloading device driver train schematic diagram of the present invention.
Fig. 3 is lorry self-unloading device bar linkage structure schematic diagram of the present invention.
Fig. 4 is that 45 ° of schematic diagrams are rotated in lorry self-unloading device loading railway carriage or compartment of the present invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, lorry self-unloading device of the present invention is described further.
As shown in Figure 1, lorry self-unloading device of the present invention, comprises car body 1, loading railway carriage or compartment 2 and lifting mechanism 3, and rear portion, loading railway carriage or compartment 2 is provided with hanger 4, hinged by hanger 4 and car body 1, makes loading railway carriage or compartment 2 hanger 4 center be that axle overturns relative to car body 1.The rear portion in loading railway carriage or compartment 2 is also provided with discharge port 5, draws off from discharge port 5 for goods during discharging.Lifting mechanism 3 comprises driver train 11, rocking bar 6 and connecting rod 7, and the two ends of rocking bar 6 are respectively arranged with the first hinge-point 8 and the second hinge-point 9, and rocking bar 6 is hinged with car body 1 by the first hinge-point 8, is hinged with connecting rod 7 by the second hinge-point 9.Connecting rod 7 also has one the 3rd hinge-point 10, and connecting rod is hinged with car body 1 by the 3rd hinge-point 10.Such car body 1, loading railway carriage or compartment 2, rocking bar 6 and connecting rod 7 just constitute a four-bar mechanism, and driver train 4 drive rocker 6 is rotated relative to car body 1 for axle with the first hinge-point 8, thus realize the upset of loading railway carriage or compartment 2 relative to car body 1.Four-bar mechanism component mode of motion is various, as realized rotation, swing, movement and plane or spatial complex motion, thus can be used for realizing the known characteristics of motion and known trajectory.In addition, four-bar mechanism be low minor face contact, it has following advantages: kinematic pair unit area pressure is less, and face contact be convenient to lubrication, therefore wearing and tearing reduce; Easily manufactured, easily obtain higher precision; Contact between two components closes to maintain by geometry itself, and it does not resemble cam mechanism and sometimes needs to utilize that spring etc. is force-closed keeps in touch.Therefore, four-bar mechanism is widely used in various machinery, instrument and electronic product.
As shown in Figure 2, driver train 11 comprises motor 12, worm gear 13 and worm screw 14, and motor 12 is installed on car body 1, the axle of motor 12 is connected with worm screw 14 axle, drive worm screw 14 along its axial rotation, worm gear 13 and rocking bar 6 fix, and worm gear 13 is concentric with the first hinge-point 8 on rocking bar 6.Worm gear 14 is meshed with worm screw 13, thus achieves drive rocker 6 and rotate relative to car body 1 for axle with the first hinge-point 8.Worm Wheel System, be all generally be drive end with worm screw, worm gear is driven end, can realize very large reduction ratio, and stable drive, noise are very little.Worm Wheel System can realize self-locking, namely on worm gear, applies torque, cannot realize mechanism and rotate, can only drive worm gear, and can not drive worm screw by worm gear by worm screw.The condition that self-locking occurs in Worm Wheel System is the friction angle that the expansion pitch angle of worm screw is less than worm and gear contact.Namely β < Φ, β are the expansion pitch angle of worm screw, and Φ is friction angle, and wherein tg Φ=μ, μ are friction coefficient.Utilize the self-locking performance of worm and gear, safety guard-safeguard effect can be played.Therefore the worm gear 13 be meshed in the present embodiment and worm screw 14, the lead angle of its worm screw 14 is less than the equivalent friction angle be meshed between worm gear 13.The hydraulic-driven that the present invention adopts motor to drive replacement traditional, structure is simple, and noise is low, is easy to safeguard, does not have the pollution of greasy dirt, maintains clean working environment, is conducive to environmental protection.
Consult Fig. 3 in the lump, Fig. 4, connecting rod 7 rear portion is connected with striker plate 15, backgauge version 15 and connecting rod 7 are formed in one, striker plate 15 has a backgauge face 16, and the both sides in backgauge face 16 and bottom are provided with the sealing band 17 of protrusion, prevents the goods in loading railway carriage or compartment 2 from dropping for covering discharge port 5.Base angle place, discharge port 5 both sides, loading railway carriage or compartment be provided with detect whether described striker plate cover discharge port 5 cover sensor 18, car body 1 is also provided with limit sensors 19, for limiting rocking bar 6 turned position.
Drive worm screw 14 to rotate by motor 12 during work, transmission of power is given the worm gear 13 be meshed with worm screw 14, then drive rocking bar 6 to rotate relative to car body 1 for axle with the first hinge-point 8 by worm gear 13.Car body 1, loading railway carriage or compartment 2, rocking bar 6 and connecting rod 7 form a four-bar mechanism, by the rotation of rocking bar 6, have driven the upset in loading railway carriage or compartment 2.Connecting rod 7 and backgauge version 15 are wholely set, loading railway carriage or compartment 2 overturn while striker plate 15 under the drive of connecting rod 7 with loading railway carriage or compartment 2 shape at an angle, thus open discharge port 5, the angle that loading railway carriage or compartment 2 overturns relative to car body 1 is larger, angle between striker plate 15 and discharge port 5 is also larger, and the degree opening discharge port 5 is also larger.When loading railway carriage or compartment 2 is turned to maximum angle namely with car body 1 angle at 45 °, rocking bar 6 also just in time touches limit sensors 19, and motor 12 can stop operating, and prevents loading railway carriage or compartment 2 flip angle excessive.Rear motor 12 of having unloaded reverses, and make loading railway carriage or compartment 2 place back on car body 1, the angle between striker plate 15 and discharge port 5 diminishes gradually until cover discharge port.The seam of striker plate and discharge port seals sternly by the both sides in backgauge face 16 and the sealing band 17 of bottom, ensures can not drop when loading tiny goods.What simultaneously base angle place, discharge port 5 both sides was arranged cover sensor 18 also can detect whether striker plate 15 has covered discharge port 7.
The present invention adopts the driving of motor worm and gear to add four-bar linkage, realizes self-unloading process, compared with conventional hydraulic bar straight-line motion, avoids because piston rod stretches out the long undercapacity caused.Connecting rod rear portion has been wholely set striker plate, automatically opens, goods is glided under gravity and achieves Discharging Process while the upset of loading railway carriage or compartment under the drive of striker plate at connecting rod.The self-locking device that the present invention has and limit sensors can play a very good protection, and improve safety and reliability.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (9)
1. a lorry self-unloading device, comprise loading railway carriage or compartment, lifting mechanism, it is characterized in that: described loading railway carriage or compartment to be placed on car body and to be hinged by the hanger and car body that are positioned at rear portion, described loading railway carriage or compartment, described lifting mechanism comprises driver train, rocking bar and connecting rod, described rocking bar is hinged by the first hinge-point and car body being arranged at its one end, described rocking bar is by being arranged at the second hinge-point of its other end and described rod hinge connection, described connecting rod by the 3rd hinge-point is thereon set and described loading railway carriage or compartment hinged, described driver train acts on the first hinge-point place of described rocking bar, described rocking bar is rotated relative to car body at described first hinge-point place.
2. lorry self-unloading device according to claim 1, it is characterized in that, described driver train comprises motor, worm gear and worm screw, described motor is installed on car body, drive described worm screw along its axial rotation, described turbine and described rocking bar fix and concentric mutually with described first hinge-point, and described turbine is meshed with described worm screw.
3. lorry self-unloading device according to claim 1 and 2, is characterized in that, rear portion, described loading railway carriage or compartment has discharge port.
4. lorry self-unloading device according to claim 3, is characterized in that, described connecting rod rear portion is connected with striker plate, for covering and open described discharge port.
5. lorry self-unloading device according to claim 4, is characterized in that, base angle place, discharge port both sides, described loading railway carriage or compartment be provided with detect whether described striker plate cover described discharge port cover sensor.
6. lorry self-unloading device according to claim 4, is characterized in that, described both sides, striker plate backgauge face and bottom are provided with the sealing band of protrusion.
7. lorry self-unloading device according to claim 2, is characterized in that, described in the worm and gear that is meshed, the lead angle of described worm screw is less than the equivalent friction angle between engaging worm wheel.
8. the lorry self-unloading device according to any one of claim 1,2,4,5,6,7, is characterized in that, described loading railway carriage or compartment is 0-45 ° relative to car body flip angle.
9. the lorry self-unloading device according to any one of claim 1,2,4,5,6,7, is characterized in that, car body is provided with limit sensors, limits described rocking bar turned position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510056927.1A CN104648209A (en) | 2015-02-04 | 2015-02-04 | Dumping device for truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510056927.1A CN104648209A (en) | 2015-02-04 | 2015-02-04 | Dumping device for truck |
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| Publication Number | Publication Date |
|---|---|
| CN104648209A true CN104648209A (en) | 2015-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510056927.1A Pending CN104648209A (en) | 2015-02-04 | 2015-02-04 | Dumping device for truck |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105235576A (en) * | 2015-10-30 | 2016-01-13 | 吉林市长久专用车有限公司 | Swing arm type car lifting machine release/contraction device |
| CN106741817A (en) * | 2016-12-30 | 2017-05-31 | 北京天恒长鹰科技股份有限公司 | A kind of valving near space dirigible |
| CN107720324A (en) * | 2017-10-25 | 2018-02-23 | 福建农林大学 | One kind handling power assisting device and its application method |
| CN109785729A (en) * | 2019-03-11 | 2019-05-21 | 重庆工程职业技术学院 | A kind of automatic transportation assembly line used of imparting knowledge to students |
| CN110733395A (en) * | 2019-11-13 | 2020-01-31 | 丰县众联电动车科技有限公司 | electric tricycle with automatic unloading device |
| CN111204559A (en) * | 2020-02-28 | 2020-05-29 | 山东建筑大学 | Concrete conveying device |
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| FR551383A (en) * | 1922-05-13 | 1923-04-04 | Arm-operated tipping skip device | |
| GB226107A (en) * | 1924-06-04 | 1924-12-18 | William Charles Gilmore | Improvements in means for tilting the body of motor road trucks and the like |
| US1787892A (en) * | 1929-02-20 | 1931-01-06 | Perfection Steel Body Co | Dumping unit for motor trucks |
| CN2936836Y (en) * | 2006-07-03 | 2007-08-22 | 中国国际海运集装箱(集团)股份有限公司 | Door open mechanism of dumper and dumper with the door open mechanism |
| CN101204937A (en) * | 2007-12-14 | 2008-06-25 | 浙江工业大学 | Loading and unloading transport vehicle basing car hopper lifting device |
| CN201120866Y (en) * | 2007-08-27 | 2008-09-24 | 安徽江淮扬天汽车股份有限公司 | Linkage large-opening tail board mechanism of self-discharging vehicle |
| CN102390305A (en) * | 2011-10-27 | 2012-03-28 | 广西大学 | Mechanical electric lifting mechanism for dump truck |
| CN103129441A (en) * | 2013-03-01 | 2013-06-05 | 张学义 | Electric dumper lifting device with assist bar |
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2015
- 2015-02-04 CN CN201510056927.1A patent/CN104648209A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR551383A (en) * | 1922-05-13 | 1923-04-04 | Arm-operated tipping skip device | |
| GB226107A (en) * | 1924-06-04 | 1924-12-18 | William Charles Gilmore | Improvements in means for tilting the body of motor road trucks and the like |
| US1787892A (en) * | 1929-02-20 | 1931-01-06 | Perfection Steel Body Co | Dumping unit for motor trucks |
| CN2936836Y (en) * | 2006-07-03 | 2007-08-22 | 中国国际海运集装箱(集团)股份有限公司 | Door open mechanism of dumper and dumper with the door open mechanism |
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| CN101204937A (en) * | 2007-12-14 | 2008-06-25 | 浙江工业大学 | Loading and unloading transport vehicle basing car hopper lifting device |
| CN102390305A (en) * | 2011-10-27 | 2012-03-28 | 广西大学 | Mechanical electric lifting mechanism for dump truck |
| CN103129441A (en) * | 2013-03-01 | 2013-06-05 | 张学义 | Electric dumper lifting device with assist bar |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105235576A (en) * | 2015-10-30 | 2016-01-13 | 吉林市长久专用车有限公司 | Swing arm type car lifting machine release/contraction device |
| CN106741817A (en) * | 2016-12-30 | 2017-05-31 | 北京天恒长鹰科技股份有限公司 | A kind of valving near space dirigible |
| CN107720324A (en) * | 2017-10-25 | 2018-02-23 | 福建农林大学 | One kind handling power assisting device and its application method |
| CN109785729A (en) * | 2019-03-11 | 2019-05-21 | 重庆工程职业技术学院 | A kind of automatic transportation assembly line used of imparting knowledge to students |
| CN110733395A (en) * | 2019-11-13 | 2020-01-31 | 丰县众联电动车科技有限公司 | electric tricycle with automatic unloading device |
| CN111204559A (en) * | 2020-02-28 | 2020-05-29 | 山东建筑大学 | Concrete conveying device |
| CN111204559B (en) * | 2020-02-28 | 2021-10-29 | 山东建筑大学 | Concrete conveying device |
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Application publication date: 20150527 |
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