CN203112434U

CN203112434U - Electric truck

Info

Publication number: CN203112434U
Application number: CN 201320068926
Authority: CN
Inventors: 叶欣
Original assignee: Nanjing Woli Electromechanical Science & Technology Co Ltd
Current assignee: Nanjing Woli Electromechanical Science & Technology Co Ltd
Priority date: 2013-02-06
Filing date: 2013-02-06
Publication date: 2013-08-07
Anticipated expiration: 2023-02-06

Abstract

The utility model discloses an electric truck. The electric truck can carry goods in an inclined mode relative to the ground. The electric truck comprises a truck body and an operating lever which operates and controls the whole electric truck to work, wherein a storage battery is installed in the truck body, driving wheels which are used for driving the whole electric truck to move and turn are installed at the bottom of the truck body, fork arms used for holding the goods are arranged in front of the truck body, and walking wheels are installed at the bottom of each fork arm. The electric truck further comprises an inclining mechanism which is used for placing the goods on the fork arms at an inclined angle of 0-10 degrees relative to the horizontal plane, and the inclining mechanism is driven through a motor. The electric truck can achieve efficient and stable transportation and improves carrying efficiency due to the fact that goods are carried in the inclined mode relative to the horizontal plane. Meanwhile, the inclining mechanism of the electric truck is driven by the motor and can be driven by electric power of a battery of an original electric truck completely, and therefore the whole inclined carrying process can be easier to achieve. In addition, the electric truck basically maintains advantages of small size and convenient operation of the original electric truck.

Description

A kind of electrocar

Technical field

The utility model relates to the carrying vehicle technical field, is specifically related to a kind of transport trolley, is mainly used in lifting and the transportation of goods.

Background technology

Transport trolley namely works the logistics haulage equipment of the effect of transporting goods.Transport trolley inserts the pallet fork of its carrying in the pallet hole in use, is realized hoisting of pallet cargo and is descended by hydraulic efficiency pressure system; The application of electrocar at present more and more widely, reason is for some small freight transportations, with battery-operated energy-conserving and environment-protective more, and it is very convenient, can simplify the structure of whole transport trolley, allow transport trolley small volume and less weight more, the efficient of electrocar is than higher;

But electrocar also exists some shortcomings, concrete, existing electrocar when transporting goods goods with respect to ground level, be that angle is 0 °, this will cause goods might be in high efficiency handling process to be come off by the pallet fork (also being the fork pin) of transport trolley, so not only cause the damage of goods easily, greatly reduce handling efficiency simultaneously;

In the prior art, compare the electrocar stronger fork truck of ability that transports goods at some and used technology that pallet fork is tilted, in this technology, when transporting goods, can prevent that goods from falling, it mainly is to realize tilting forward and back of door frame by dump ram.If but use dump ram finally to make goods face tilt relatively on the present all-electric transport trolley, the problem that exists two aspects to bother very much: the one,, use dump ram must be equipped with a series of parts such as hydraulic reservoir simultaneously, and all-electric transport trolley is to drive whole handling process by battery, if use dump ram, the complexity of the whole electrocar of meeting increase system, the electrocar volume that weakened is little, controls characteristics easily; The 2nd,, even use dump ram, the transport trolley that most is arranged be not similar to fork truck can lifting the pallet fork structure that is in vacant state, the pallet fork of most of transport trolley is the fork pin that has road wheel that can raise slightly.

The utility model content

The utility model provides a kind of electrocar at above-mentioned deficiency of the prior art, and this electrocar can be with goods face tilt carrying relatively, and whole tilting procedure does not need except the unexpected hydraulic pressure of electric power or cylinder system.

The technical scheme that its technical matters that solves the utility model adopts is: a kind of electrocar, comprise car body and the joystick of controlling whole transport trolley work, storage battery is installed in the car body, the car body bottom is equipped with for driving the drive wheel that whole transport trolley moves and turns to, car body the place ahead is provided for the fork pin of arrangement of goods, the fork foot bottom is installed road wheel, comprise that also this leaning device drives by motor for goods with respect to the horizontal plane is positioned over the leaning device of pitching on the pin with 0 ° of-10 ° of inclination.Described 0 ° is the initial angle of goods, and namely integral body is parallel to horizontal surface, and described inclination mainly refers to greater than 0 ° smaller or equal to 10 °.

Preferably, the place ahead of above-mentioned car body fixedly mounts first door frame, and the fork pin is rotatably installed in the bottom of first door frame by first jointed shaft;

Described leaning device is first leaning device, first leaning device is installed on the fork foot bottom, concrete, the fork foot bottom arranges two road wheels at least, the road wheel both sides arrange the wheel side plate, road wheel is rotatably installed between the wheel side plate by rotation shaft of wheel, wheel side plate top connection wheel top board, level is installed the clutch shaft bearing seat on the wheel top board, bearing is installed in the clutch shaft bearing seat, the rotary inner ring of this bearing extends upward the end face of clutch shaft bearing seat, and the inwall of rotary inner ring is offered negative thread, the external stability suit big gear wheel of rotary inner ring, first screw mandrel meshes the rotary inner ring that passes wheel top board and clutch shaft bearing seat neck bearing simultaneously, the top of first screw mandrel is equipped with the screw mandrel jointed shaft, and fork foot bottom extension downwards arranges the extension side plate, and first screw mandrel is rotatably installed in by the screw mandrel jointed shaft and extends on the side plate;

The side of above-mentioned wheel top board fixedly mounts first motor, the output shaft of first motor fixed installation miniature gears, and miniature gears meshes with above-mentioned big gear wheel.

Another kind of preferred mode is: the top in car body the place ahead is rotated by second jointed shaft second door-plate is installed, described fork pin is made up of the second fork underfooting housing and the second fork pin upper cover plate two parts that are slidingly mounted on housing top, the second fork underfooting, and described second door-plate bottom is passed through hinged hinge and connected the second fork pin upper cover plate;

In the described leaning device, the second fork underfooting housing is groove shapes, and bottom land is equipped with second motor, and the output shaft of second motor connects second screw mandrel, the bearing in second bearing seat is passed at the second screw mandrel two ends, and second bearing seat is fixedly mounted on the bottom land of the second fork underfooting housing; Travelling nut is installed in engagement on second screw mandrel, offers internal thread hole on the travelling nut, and travelling nut is installed on second screw mandrel by the internal thread hole engagement, and the top of travelling nut is fixedly mounted on the second above-mentioned fork pin upper cover plate below.

Further be: above-mentioned second door-plate is provided with the rubber strip that impacts for the buffering goods away from a side of car body.

Also have a kind of preferred mode to be: the 3rd door frame is installed in car body the place ahead, the 3rd door frame the place ahead arranges the 3rd door-plate, the 3rd door-plate both sides are L type turning, the part of the 3rd door-plate and car body both sides parallel sidewalls is side plate, and two side plates of the 3rd door-plate are parallel to the outer panel of the 3rd door frame and outside with the outer panel of the 3rd door frame is set;

The fork pin is made up of third fork underfooting housing and the third fork pin upper cover plate two parts that are installed in housing top, third fork underfooting, and described third fork pin upper cover plate is fixedly mounted on the bottom of the 3rd door-plate;

In the described leaning device, the inclination rotating shaft is rotatably installed between the 3rd door frame, and is concrete, and inclination rotating shaft one end is rotatably installed in the bearing of the 3rd bearing seat of a sidewall of the 3rd door frame; The other end of inclination rotating shaft is connected with the output shaft of the worm type of reduction gearing that is fixedly mounted on the 3rd another sidewall of door frame; The 3rd motor is fixedly mounted on the worm type of reduction gearing.

Further be: above-mentioned the 3rd door-plate is provided with the rubber strip that impacts for the buffering goods away from a side of car body.

The beneficial effects of the utility model are:

1, by carrying that the relative horizontal surface of goods is tilted, can realize the efficient stable carrying of electrocar, improve handling efficiency; Meanwhile the inclination carrying mechanism of transport trolley is to pass through motor-driven, can use the battery electric power of original electrocar to drive fully, make the easier realization of whole inclination handling process, kept the little advantage of conveniently controlling of volume of original electrocar simultaneously substantially.

2, realize the inclination angle adjustment by the lifting mechanism that feed screw nut's transmission is set at the fork foot bottom, make whole tilting procedure steadily accurate.

3, be movably arranged on the fork pin housing by the upper cover plate that will pitch pin, the motor-driven upper cover plate moves the inclination that can realize door-plate, and center of gravity is lower during the adjustment of this tilting procedure, can steadily adjust.

4, by door-plate and the upper cover plate of pitching pin are combined into the pallet fork that is similar to fork truck, whole pallet fork is rotated the quick slant of realizing goods around the inclination rotating shaft, and its power adopts the worm type of reduction gearing of motor direct-drive low rotation speed large torque simultaneously, has guaranteed the reliability and stability that tilt.

5, by installing rubber strip additional at door-plate, the impulsive force in the time of can alleviating the goods inclination has greatly not only protected goods also to guarantee the stability of whole device simultaneously.

In sum, the utility model is by adopting motor-driven leaning device, finally makes the goods carrying of tilting, and increased the stability when electrocar transports goods, and can carry out high efficiency carrying work.

Description of drawings

Fig. 1 is the three-dimensional structure diagram of embodiment one;

Fig. 2 is the leaning device three-dimensional structure diagram of embodiment one;

Fig. 3 is tilt 10 ° design sketch of the transport trolley of embodiment one;

Fig. 4 is the three-dimensional structure diagram of embodiment two;

Fig. 5 is the three-dimensional structure diagram of the leaning device of embodiment two;

Fig. 6 is tilt 10 ° design sketch of the transport trolley of embodiment two;

Fig. 7 is the three-dimensional structure diagram on 31 directions of embodiment;

Fig. 8 is the three-dimensional structure diagram on embodiment three other directions;

Fig. 9 is tilt 10 ° design sketch of the transport trolley of embodiment three.

Description of reference numerals:

The 1-car body, 2-joystick, 3-first door frame, 4-first jointed shaft, the 5-first fork pin, 6-road wheel, 7-first leaning device, 10-second jointed shaft, 11-second door-plate, the 12-rubber strip, the hinged hinge of 13-, 701-rotation shaft of wheel, 702-wheel side plate, 703-wheel top board, 704-clutch shaft bearing seat, 705-first motor, the 706-miniature gears, 707-extends side plate, 708-screw mandrel jointed shaft, 709-big gear wheel, 710-first screw mandrel, the 801-second fork pin upper cover plate, the 802-second fork underfooting housing, 803-second motor, 804-second bearing seat, 805-second screw mandrel, 806-travelling nut, 901-third fork pin upper cover plate, 902-third fork underfooting housing, 903-the 3rd door frame, 904-the 3rd door-plate, 905-inclination rotating shaft, 906-turning block, 907-the 3rd bearing seat, 908-worm type of reduction gearing, 909-the 3rd motor.

The specific embodiment

Below in conjunction with drawings and Examples the utility model specific embodiment is described:

The utility model is by existing electrocar structure is further improved in the specific implementation, original electrocar, the basic joystick 2 that comprises car body 1 and control whole transport trolley work, in the car body 1 storage battery is installed, car body 1 bottom is equipped with for driving the drive wheel that whole transport trolley moves and turns to, car body the place ahead is provided for the fork pin 5 of arrangement of goods, road wheel 6 is installed in fork pin 5 bottoms, the utility model mainly installs additional for the leaning device that goods with respect to the horizontal plane is positioned over 0 ° of-10 ° of inclination on the fork pin 5 on the basis of said structure, and this leaning device drives by motor.

Need be to description of reference numerals be that " first " that marks in this Reference numeral, " second ", " the 3rd " they mainly are in order to distinguish the parts of same names among the different embodiment, without limits successively and the intention of quantity;

Also need to prove, more than or " the place ahead " described in the following description refer to direction near fork pin 5 ends, described " rear " refers to the direction away from fork pin 5;

Fig. 1-3 shows first embodiment of the present utility model, and as shown in the figure, the place ahead of car body 1 fixedly mounts first door frame 3, and fork pin 5 is rotatably installed in the bottom of first door frame 3 by first jointed shaft 4; Door frame 3 in the present embodiment specifically is divided into two door frames that left-right symmetric is installed on car body 1 the place ahead, and each door frame comprises two cuboid steel plates that are parallel to each other installing along car body 1 short transverse;

Described leaning device is first leaning device 7, first leaning device 7 is installed on fork pin 5 bottoms, concrete, fork pin 5 bottoms arrange two road wheels 6 at least, road wheel 6 both sides arrange wheel side plate 702, road wheel 6 is rotatably installed between the wheel side plate 702 by rotation shaft of wheel 701, wheel side plate 702 top connection wheel top boards 703, level is installed clutch shaft bearing seat 704 on the wheel top board 703, bearing is installed in the clutch shaft bearing seat 704, the rotary inner ring of this bearing extends upward the end face of clutch shaft bearing seat 704, the inwall of rotary inner ring is offered negative thread, the external stability suit big gear wheel 709 of rotary inner ring, first screw mandrel 710 meshes the rotary inner ring that passes wheel top board 702 and clutch shaft bearing seat 704 neck bearings simultaneously, the top of first screw mandrel 710 is equipped with screw mandrel jointed shaft 708, and the extension downwards of fork pin 5 bottoms arranges extension side plate 707, the first screw mandrels 710 and is rotatably installed on the extension side plate 707 by screw mandrel jointed shaft 708;

The side of above-mentioned wheel top board 703 fixedly mounts the output shaft fixed installation miniature gears 706 of first motor, 705, the first motors 705, miniature gears 706 and above-mentioned big gear wheel 709 engagements.

Fig. 3 shows the effect of 10 ° of fork pin 5 relative horizontal surfaces inclinations, and the tilt adjustments of fork pin 5 is to drive 710 liftings of first screw mandrel by first motor 705 by feed screw nut's type of drive in the present embodiment, final feasible fork pin 5 relative horizontal surfaces inclinations; When goods was positioned on the fork pin 5, the goods bottom was parallel all the time with fork pin 5, can guarantee that the relative horizontal surface of goods keeps 0 ° to 10 ° inclination angle.

Fig. 4-Fig. 6 shows second embodiment of the present utility model, as shown in the figure, the top in car body 1 the place ahead is rotated by second jointed shaft 10 second door-plate 11 is installed, described fork pin 5 is made up of the second fork underfooting housing 802 and the second fork pin upper cover plate, 801 two parts that are slidingly mounted on second fork housing 802 tops, underfooting, and described second door-plate 11 bottoms connect second by hinged hinge 13 and pitch pin upper cover plate 801;

In the described leaning device, the second fork underfooting housing 802 is groove shapes, bottom land is equipped with second motor 803, the output shaft of second motor 803 connects second screw mandrel 805, the bearing in second bearing seat 804 is passed at second screw mandrel, 805 two ends, and second bearing seat 804 is fixedly mounted on the bottom land of the second fork underfooting housing 802; Travelling nut 806 is installed in engagement on second screw mandrel 805, offer internal thread hole on the travelling nut 806, travelling nut 806 is installed on second screw mandrel 805 by the internal thread hole engagement, and the top of travelling nut 806 is fixedly mounted on the above-mentioned second fork pin upper cover plate, 801 belows.

Fig. 6 shows in the present embodiment, the design sketch that second door-plate, 11 relative horizontal surfaces tilt, because second door-plate 11 is vertical relation with the horizontal surface initial position, when second door-plate 11 and horizontal surface keep 100 degree angles, goods is positioned on the fork pin 5, when close second door-plate 11 of goods was close to second door-plate 11, the bottom surface of goods had with respect to the horizontal plane namely kept 10 ° inclination angle.The electrocar of present embodiment is by the type of drive of second motor 803 by the feed screw nut when adjusting the inclination angle, drives the second fork pin loam cake and carries out parallel motion, finally makes goods tilt to rest on second door-plate 11.

In order to reduce in the present embodiment, the impulsive force when goods tilts to lean on, above-mentioned second door-plate 11 is provided with the rubber strip 12 that impacts for the buffering goods away from a side of car body 1.So not only effectively protect goods itself but also increased the reliability of tilting procedure simultaneously.

Certainly, two fork pin 5 all are equipped with leaning device equally in the present embodiment, and during adjustment, two motor synchronous motions of a control button control so just can guarantee that tilting procedure can steadily carry out.

Fig. 7-Fig. 9 shows the 3rd embodiment of the present utility model, as shown in the figure, the 3rd door frame 903 is installed in car body 1 the place ahead, the 3rd door frame 903 the place aheads arrange the 3rd door-plate 904, the 3rd door-plate 904 both sides are L type turning, the 3rd door-plate 904 is side plate with the part of car body both sides parallel sidewalls, and two side plates of the 3rd door-plate 904 are parallel to the outer panel of the 3rd door frame 903 and outside with the outer panel of the 3rd door frame 903 is set;

Fork pin 5 is made up of third fork underfooting housing 902 and third fork pin upper cover plate 901 two parts that are installed in housing 902 tops, third fork underfooting, and described third fork pin upper cover plate 901 is fixedly mounted on the bottom of the 3rd door-plate 904;

In the described leaning device, inclination rotating shaft 905 is rotatably installed between the 3rd door frame 903, and is concrete, and inclination rotating shaft 905 1 ends are rotatably installed in the bearing of the 3rd bearing seat 907 of 903 1 sidewalls of the 3rd door frame; The other end of inclination rotating shaft 905 is connected with the output shaft of the worm type of reduction gearing 908 that is fixedly mounted on the 3rd door frame 903 another sidewalls; The 3rd motor 909 is fixedly mounted on the worm type of reduction gearing 908.

Fig. 9 shows the 3rd door-plate together with the design sketch of 10 ° of third fork pin upper cover plate 901 relative horizontal surfaces inclinations, present embodiment is when adjusting the inclination angle, the 3rd motor 909 drives the inclination rotating shaft by the slow-revving worm type of reduction gearing of high moment of torsion and rotates, and finally drives the 3rd door-plate and tilts together with third fork pin upper cover plate 901 relative horizontal surfaces.

In order to reduce in the present embodiment, the impulsive force when goods tilts to lean on, above-mentioned the 3rd door-plate 904 is provided with the rubber strip 12 that impacts for the buffering goods away from a side of car body 1.So not only effectively protect goods itself but also increased the reliability of tilting procedure simultaneously.

By reference to the accompanying drawings the utility model preferred implementation has been done detailed description above; but the utility model is not limited to above-mentioned embodiment, and all are that the improvement in the ken that those of ordinary skills were possessed that carry out on the basis all drops in the protection domain of the present utility model with thought of the present utility model.

Do not break away from design of the present utility model and scope and can make many other changes and remodeling.Should be appreciated that the utility model is not limited to specific embodiment, scope of the present utility model is defined by the following claims.

Claims

1. electrocar, comprise car body (1) and control the joystick (2) of whole transport trolley work, car body is equipped with storage battery in (1), car body (1) bottom is equipped with for driving the drive wheel that whole transport trolley moves and turns to, car body the place ahead is provided for the fork pin (5) of arrangement of goods, road wheel (6) is installed in fork pin (5) bottom, it is characterized in that: comprise that also this leaning device drives by motor for goods with respect to the horizontal plane is positioned over the leaning device of pitching on the pin (5) with 0 ° of-10 ° of inclination.

2. a kind of electrocar as claimed in claim 1, it is characterized in that: the place ahead of car body (1) fixedly mounts first door frame (3), and fork pin (5) is rotatably installed in the bottom of first door frame (3) by first jointed shaft (4);

Described leaning device is first leaning device (7), first leaning device (7) is installed on fork pin (5) bottom, concrete, fork pin (5) bottom arranges two road wheels (6) at least, road wheel (6) both sides arrange wheel side plate (702), road wheel (6) is rotatably installed between the wheel side plate (702) by rotation shaft of wheel (701), wheel side plate (702) top connection wheel top board (703), wheel top board (703) is gone up level clutch shaft bearing seat (704) is installed, bearing is installed in the clutch shaft bearing seat (704), the rotary inner ring of this bearing extends upward the end face of clutch shaft bearing seat (704), the inwall of rotary inner ring is offered negative thread, the external stability suit big gear wheel (709) of rotary inner ring, first screw mandrel (710) meshes the rotary inner ring that passes wheel top board (702) and clutch shaft bearing seat (704) neck bearing simultaneously, the top of first screw mandrel (710) is equipped with screw mandrel jointed shaft (708), the extension downwards of fork pin (5) bottom arranges extends side plate (707), and first screw mandrel (710) is rotatably installed in by screw mandrel jointed shaft (708) and extends on the side plate (707);

The side of above-mentioned wheel top board (703) fixedly mounts first motor (705), the output shaft of first motor (705) fixed installation miniature gears (706), miniature gears (706) and above-mentioned big gear wheel (709) engagement.

3. a kind of electrocar as claimed in claim 1, it is characterized in that: the top in car body (1) the place ahead is rotated by second jointed shaft (10) second door-plate (11) is installed, described fork pin (5) is pitched underfooting housing (802) by second and is slidingly mounted on second second fork pin upper cover plate (801) two parts of pitching underfooting housing (802) top and forms, and hinged hinge (13) the connection second fork pin upper cover plate (801) is passed through in described second door-plate (11) bottom;

In the described leaning device, the second fork underfooting housing (802) is groove shapes, bottom land is equipped with second motor (803), the output shaft of second motor (803) connects second screw mandrel (805), the bearing in second bearing seat (804) is passed at second screw mandrel (805) two ends, and second bearing seat (804) is fixedly mounted on the bottom land of the second fork underfooting housing (802); Second screw mandrel (805) is gone up engagement travelling nut (806) is installed, travelling nut is offered internal thread hole on (806), travelling nut (806) is installed on second screw mandrel (805) by the internal thread hole engagement, and the top of travelling nut (806) is fixedly mounted on second above-mentioned fork pin upper cover plate (801) below.

4. a kind of electrocar as claimed in claim 3 is characterized in that: described second door-plate (11) is provided with the rubber strip (12) that impacts for the buffering goods away from a side of car body (1).

5. a kind of electrocar as claimed in claim 1, it is characterized in that: the 3rd door frame (903) is installed in car body (1) the place ahead, the 3rd door frame (903) the place ahead arranges the 3rd door-plate (904), the 3rd door-plate (904) both sides are L type turning, the part of the 3rd door-plate (904) and car body both sides parallel sidewalls is side plate, and two side plates of the 3rd door-plate (904) are parallel to the outer panel of the 3rd door frame (903) and outside with the outer panel of the 3rd door frame (903) is set;

Fork pin (5) is made up of third fork underfooting housing (902) and third fork pin upper cover plate (901) two parts of being installed in above the third fork underfooting housing (902), and described third fork pin upper cover plate (901) is fixedly mounted on the bottom of the 3rd door-plate (904);

In the described leaning device, inclination rotating shaft (905) is rotatably installed between the 3rd door frame (903), and is concrete, and inclination rotating shaft (905) one ends are rotatably installed in the bearing of the 3rd bearing seat (907) of (903) sidewalls of the 3rd door frame; The other end of inclination rotating shaft (905) is connected with the output shaft of the worm type of reduction gearing (908) that is fixedly mounted on another sidewall of the 3rd door frame (903); The 3rd motor (909) is fixedly mounted on the worm type of reduction gearing (908).

6. a kind of electrocar as claimed in claim 1 is characterized in that: described the 3rd door-plate (904) is provided with the rubber strip (12) that impacts for the buffering goods away from a side of car body (1).