CN2151895Y - Small power transport car - Google Patents

Abstract

The utility model relates to a small power transport car. A pulley is fixedly arranged on the shaft of a motor, and a belt pulley is driven by a belt; the belt pulley is fixedly arranged on a driving shaft, and two belt-returning wheels and two movable wheels are fixedly arranged on the driving shaft; each set of belt-returning wheels and cover-returning belts on the movable wheels are sheathed with clutches; shifting levers are arranged on the center of each clutch group, power shafts are respectively connected with a steering shaft to be connected to a speed reduction box, and the power of the power shafts is transferred to a left front wheel and a right front wheel through the speed reduction box; a rear wheel is driven by a front left wheel shaft and a front right wheel shaft through chains. The transport car can move forwards, can move backwards, can rotate rightwards, can rotate 360 DEG leftwards, and can also turn back in situ by selecting the operating rod of the belt pulley and the operating rod of a left clutch and a right clutch.

Description

Small power transport car

The utility model relates to a kind of minitype motivation transport trolley, its structure is to drive the priming axle by power engine mat belt pulley, and the interval tool rewinds wheel and movable wheel for two groups on the priming axle, be provided with the clutch pack of belt sleeve around left side and right side braking, its two clutch pack dynamical axis is connected with steering shaft respectively to drop-gear box, quote again to a left side, off front wheel, and left and right sides front-wheel drives trailing wheel with chain, reach for the belt pulley joystick, controlling of left and right sides clutch control lever priming driving lever, make transport trolley can before, the back reaches left, right 360 ° of rotations or spot turns or only travel with the front and back wheel of a side are for ease of Use when limited in bad landform or place.

Common transport trolley probably has two kinds at present, be manpower hand propelled and dynamical type, the manpower hand barrow of general simple type is loaded onto wheel mostly under plummer, setting up hand-pushing handle again gets final product, be used for loading the article that belong to lighter, yet its shortcoming is labor intensive, manoevreability difference lacks the heavy burden ability again, and often be subjected to the restriction of landform, general working space is as being that water Buddhist nun ground or rather level areas still can, in case when outdoor road is ups and downs then no scope for displaying one's abilities, and its revolution effort that turns around is inconvenient again, so inevasible defective and inapplicable puzzlement are arranged; As for the dynamical type transport trolley, since for power transmission more laborsaving naturally be to pay no attention to as can be known, and loading capacity is good, in outdoor worse landform preferable maneuverability is also arranged, only because it is the vehicle in low speed driving, the nature vehicle of running at high speed with Ordinary road is different in design, basically the design-calculated emphasis is to be that energy is laborsaving, loading is good, handling well makes still can travel under where shape in office or the condition freely for wanting, yet present being seen power truck, its structure design and driving system still have desirable place, cause the function difficulty attain perfect, particularly in some workplace even do not have obviously or enough wide road surfaces, therefore when transport trolley need be done to turn or reverse end for end, often make or have much ado, or be absorbed in marshy area at a side wheel tire, the hole, be difficult to during the hole get rid of poverty, all this is not that the simple souping up or the special tire that changes the outfit can solve, thereby, the transport trolley of commonly using is the deficiency on the function and stranded for this reason often, has hindered the progress of work, has to be overcome in fact.

The applicant is because the above mentioned facts need, and then think of reaches the leeway that at present general employed this type of minitype motivation transport trolley still has its structure function of improvement, based on this, be actively to study, design and develop, and for making the utility model can bring into play better Practical Performance, do not have during this time to go through repeatedly and study, improve, finish a kind of minitype motivation transport trolley eventually.

Main purpose of the present utility model is providing a kind of minitype motivation transport trolley, make transport trolley can control forward and backward easily and to left and right 360 ° the rotation or spot turn, and make left side wheel or the right-hand wheel all can independent tool power, for in bad landform as get deeply stuck in mire, when hole hole or place are limited, above water easy to do.

For reaching aforementioned purpose, be its power take-off shaft to be set firmly a pulley with the utility model, and with belt priming belt pulley, this belt pulley then is fixedly arranged on the priming axle that can be driven together, being installed with two on the priming axle rewinds wheel and is provided with at interval with two movable wheels, rewinding wheel in each group overlaps belt with movable wheel the power-transfer clutch of tool two-wheel dish is sheathed with being fixedly arranged on rear wheel-side last time, clutch segment after the equal under normal conditions interlock of the central driving lever of each clutch pack, two power-transfer clutch dynamical axiss then respectively are connected with steering shaft to drop-gear box, be sent to left and right sides front-wheel by drop-gear box, drive trailing wheel by preceding left and right sides wheel shaft with chain again, a mat belt pulley joystick and a left side, the selection operation of right clutch joystick makes transport trolley be advanced, retreat and dextrorotation, left-handed 360 ° and spot turn revolution or travel with a side front and back wheel.

Further specify architectural feature of the present utility model and purpose below in conjunction with accompanying drawing.

Fig. 1 is a combination schematic appearance of the present utility model.

Fig. 2 is a belt pulley effort formation scheme drawing of the present utility model.

Fig. 3 is a power transmission system structure scheme drawing of the present utility model.

Fig. 4 is a clutch brake structural representation of the present utility model.

Fig. 5 is a clutch operating scheme drawing of the present utility model.

Fig. 6 is a drive mechanism plan sketch of the present utility model.

Fig. 7 is a car body embodiment scheme drawing of the present utility model.

See also shown in Fig. 1-3 figure and Fig. 7, controlling of the utility model minitype motivation transport trolley is to drive its form forward at the car body rear with the people, (certainly also can be in the engine side position of choosing a place to give a banquet, or position and the form controlled of handle of choosing a place to give a banquet that extend back, only this part and additional design, it is not demand scope of the present utility model, former will not giving unnecessary details) its power sets firmly a pulley 1 by the engine motor output shaft, and can belt 11 primings one belt pulley 12, and with respect to its rear by the car body joystick 13 that is pivoted, but mat connecting rod 14 starts one top wheel 15 tops force pulley 1 and belt pulley 12 to produce interlock (consulting shown in Figure 2) to belt 11,12 of this belt pulleys are fixedly arranged on one and are hubbed at car body and on the priming axle 16 that can be driven together, rewind wheel 17 and be installed with two on the priming axle 16, establish the activity wheel 19 of bearing in 18 and two, 20 are the setting that alternates, the wheel 17 that rewinds in each group takes turns 19 with movable, rewind wheel 18 and take turns on 20 mat belt 21 with movable, 22 with axially be vertical and be fixedly arranged on left rear wheel 23 with it, the clutch pack 25 of off hind wheel 24 inboards and tool two-wheel dish, 26 times covers;

Please cooperate and consult shown in Fig. 4,5, the structure of two clutch pack 25,26 is identical, a wherein clutch pack 25 explanations are got in event, both sides are installed with clutch segment 252 on the dynamical axis 251 of this clutch pack 25, and central authorities are for setting firmly all-in-one-piece two-wheel dish 253,254, tool one driving lever 255 on two-wheeled dish 253,254 tween drive shafts, central authorities' driving lever is under normal conditions because of the power that is pulled that is subjected to spring 27 clutch segment 252 after the equal interlock of dying, and driving lever 255 draws and all can be joystick 29,30 behind the connective pole 28 and make trend anteroclusion front clutch sheet 252;

See also shown in Figure 7ly, each is connected with steering shaft 31 forward to drop-gear box 32 251 of two clutch pack, 25,26 dynamical axiss, transmits power to left and right sides front- wheel 23,24 by drop-gear box 32 again, drives left rear wheels 35, off hind wheel 36 by preceding left and right sides wheel shaft with chain 33,34 again.

Aforesaid structure and driving system make it control and move as follows:

When the starting engine, be to make pulley 1 counter-rotating, only belt 11 is failed to send power to belt pulley 12 and then priming axle 16 is rotated because of being loosening state, so transport trolley is motionless in original place idle running, be that 15 back top belts 11 are taken turns and tight start belt pulley 12 in the start top when joystick 13 pushers, and then start priming axle 16 counter-rotatings, when priming axle 16 counter-rotating is that one drives to set firmly and rewinding wheel 17 on it, 18 together counter-rotatings, see through unrolling of belt 21 and make movable wheel 19,20 for just changeing, because two clutch pack 25,26 wheel dish 253 all is subjected to the application force of spring 27 and relies on back clutch segment 252, make dynamical axis 251 be counter-rotating, and front-wheel dish 254 because of not with 252 interlocks of front clutch sheet, so be the idle running of forward on dynamical axis 251, and dynamical axis 251 through steering shaft 31 and drop-gear box 32 reverse outputting powers to front wheel spindle, make a left side, off front wheel 23,24 are the pulley of exporting with engine 1 moves ahead in the same way, through chain 33,34 priming left rear wheels 35, off hind wheel 36 also one to moving ahead.

Yet at this car when moving ahead, if the joystick 29 of priming control left side wheel 23,35 is forward 253,254 reaches of drawing driving lever 255 starts two dish wheel, make dish wheel 253 break away from back clutch segment 252, and take turns 254 interlock front clutch sheets 252 by dish, cause dynamical axis 251 to be changed direction output, then Zuo Ce front and rear wheel 23,35 is the state that travels backward, because the front and rear wheel 24,36 on right side still be to forward traveling, is that to make car body serve as a left-handed revolution in original place with left rear wheel 35; Simultaneously, if joystick 29 is motionless, under the state that moves ahead, stir joystick 30 forward in left side wheel, then will make the state of front and rear wheel 24,36 for going backward on right side, causing car body serves as the dextrorotation revolution of axle original place with off hind wheel 36; If two joysticks 29,30 are dialled simultaneously, then will make vehicle become the back trade can understand.

Therefore, function of the present utility model is except that can making transport trolley move ahead or afterwards going, because left side, right-hand wheel all can independently be controlled, make the omnibearing to the left or to the right 360 ° of rotations in its original place, no matter turn around or all can reach to any orientation, all can be readily solved on narrow road surface that is difficult for turning around or difficult landform, especially when a side wheel tire be absorbed in marshy area, hole during the hole because the utility model is the four-wheel transmission, and but two side wheels are independent drive advance and retreat, when even wherein a side two-wheeled is unsettled, the two-wheeled of side also can be had power and be got rid of poverty in addition, is that effect is outstanding.

What deserves to be mentioned is, can be provided with in response to use needs on the utility model front vehicle frame and hold the thing bucket for putting article, and each drive train element can be with the profile jacket housing of car body, do to modify displacement under the space structure relation each other not changing it, all this all should belong to scope of the present utility model and be only.

Therefore, the utility model minitype motivation transport trolley, manipulation effect for transport trolley or bearing article really belongs to ideal, its practicality and progressive tool are as described above, more promote effect when commonly using transport trolley, and the intended purposes that Chuang Dar Industrial Co., Ltd does, and this structure design does not see disclosing of like product earlier.

Claims (1)

1. A kind of minitype motivation transport trolley, comprise by the power take-off shaft of car body and establish pulley, drive the priming axle that is hubbed at car body with belt, establish two on the priming axle and rewind wheel and two movable wheels, with the clutch pack interlock that is fixedly arranged on left rear wheel, off hind wheel inboard, each is connected with steering shaft forward to drop-gear box the dynamical axis of two clutch pack, transmits power to left and right sides front-wheel by drop-gear box again, drives left rear wheel, off hind wheel start by preceding left and right sides wheel shaft with chain again; It is characterized in that: the pulley of power take-off shaft is by belt priming belt pulley, the joystick and car body is pivoted, but mat connecting rod start one top wheel makes pulley and belt pulley interlock, this belt pulley then is fixedly arranged on the priming axle, and two on the priming axle rewinds wheel and is the setting that alternates with two movable wheels, the wheel that rewinds in each group is taken turns with activity, and the mat belt is with axially being clutch pack vertical and tool two-wheel dish with it returns cover; And both sides are installed with clutch segment on the dynamical axis of two clutch pack, and central authorities are for setting firmly all-in-one-piece two-wheel dish, tool one driving lever on the two-wheeled dish tween drive shaft, this driving lever is pulled by spring under normal conditions and clutch segment after making the interlock of trailing wheel dish, and driving lever draws to be connected to connecting rod and to can be joystick and makes trend anteroclusion front clutch sheet; By belt pulley joystick and the left and right selection operation of taking turns clutch control lever, make transport trolley have advancing, retreat and dextrorotation, left-handed 360 ° of comprehensive choosings to, or spot turn revolution and the one-sided independent drive driving functions of taking turns.

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