CN110481654A

CN110481654A - Electronic tote cart

Info

Publication number: CN110481654A
Application number: CN201910860403.6A
Authority: CN
Inventors: 沈邦应
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-11
Filing date: 2019-09-11
Publication date: 2019-11-22

Abstract

The present invention relates to a kind of electronic tote carts, belong to transloading equipment field, including vehicle frame, the bottom of frame is equipped with wheel, the wheel includes front wheels and rear wheels, driving device is installed on the rear-wheel, damping is installed on the front-wheel, is equipped on rear side of the vehicle frame for controlling direction and driving the control device of effect；The present invention control effectively to the traveling of tote cart and steering by the way that control device is arranged, course changing control is stable and conveniently, and the damping of triangle is set at front-wheel, disperse to be carried out damping by force-fitting damping spring by two o'clock, it can ensure that tote cart balance is indeformable well, it is more steady safe when driving in loading, improve service life.

Description

Electronic tote cart

Technical field

The present invention relates to transloading equipment technical field, specifically electronic tote cart.

Background technique

Tote cart is indispensable tool in a kind of life production, such as the parts delivery vehicle of machinery plant, the route of Electronics Factory The turnover tool that plate hanger vehicle, plastic shell storage vehicle, the dispatching of various semi-finished product, products storage shift all is referred to as tote cart.

Current tote cart is mainly electric drive, without shock-damping structure, can inevitably encounter uneven road in motion Section is jolted down at this time so that stress is concentrated, and if road hollow is very serious, stress point can make as load-carrying becomes larger Stress must be increased, the case where damage can fracture is easy to appear, affects the service life of tote cart.

Summary of the invention

The purpose of the present invention is to provide a kind of electronic tote carts, to solve the problems mentioned in the above background technology.

To achieve the above object, the invention provides the following technical scheme:

Electronic tote cart, including vehicle frame, the bottom of frame are equipped with wheel, and the wheel includes front wheels and rear wheels, after described Driving device is installed on wheel, damping is installed on the front-wheel, be equipped on rear side of the vehicle frame for control direction and Drive the control device of effect.

As further technical solution of the present invention: the control device includes holding for controlling the first of traveling and braking With the second handle for controlling left and right turn, second handle one end, which is arranged in vehicle frame and with it, to be rotatablely connected, institute The second handle is stated to be connected by transmission mechanism with front-wheel；The driving device includes motor, and the bottom of frame is equipped with first Fixed link, first fixed link upper end are fixedly connected by first support bar with bottom of frame, first fixed link both ends It is connected respectively with two rear-wheels, the motor is fixedly mounted in the first fixed link and is connected by output shaft with two rear-wheels, The pedal being rotatablely connected with it is also equipped in the first support bar；The damping includes second support bar, second solid Fixed pole and third support rod, second fixed link both ends are connected with two front-wheels, pass through the second support among the second fixed link Bar is connected with bottom of frame, and the second support bar bottom is equipped with the bolt being threadedly coupled with it, and the third support rod is fixed It is mounted on bottom of frame and is arranged in parallel with second support bar, third support rod bottom is equipped with the second connecting rod, described Second connecting rod left and right ends are fixedly connected with the second fixed link, pass through second at left and right sides of third support rod bottom Connecting rod is fixedly connected with the second fixed link, and second connecting rod is set in outside first rotating shaft and is rotatablely connected with it, institute The second shaft for being also equipped in the second fixed link and being rotatablely connected with it is stated, second connecting rod is set in outside the second shaft And be rotatablely connected with it, second shaft one end is rotatablely connected through third support rod and with it, and the other end runs through second Strut is simultaneously rotatablely connected with it, is also fixedly installed with the 4th support rod above second fixed link, outside the 4th support rod Portion is arranged with second spring, and described second spring one end is fixedly connected with the 4th support rod, the other end and the fixed company of bottom of frame It connects.

As further technical solution of the invention: second fixed link both ends offer limiting slot, the limit Third shaft is fixedly installed in the slot of position, and the angle of the third shaft and vertical direction is outside the 0-20 ° of third shaft It is arranged with the third connecting rod being rotatablely connected with it, the third connecting rod is connected far from limiting slot one end with front-wheel.

As further technical solution of the invention: being also equipped with first turn be rotatablely connected with it on the vehicle frame Axis, the first rotating shaft are connected by first connecting rod with the second handle far from vehicle frame one end, and the first connecting rod is flexible The underface of the second handle is arranged in bar, the first rotating shaft.

As further technical solution of the invention: the pedal side is fixedly installed with the first spring, and described first Spring is fixedly connected far from pedal one end with the first fixed link.

As further technical solution of the invention: the transmission mechanism includes the first rotating bar, the second rotating bar, the Six connecting rods, the 7th connecting rod and third rotating bar, the 7th connecting rod both ends pass through two the 4th connecting rods and two respectively A third connecting rod is connected, and the 4th connecting rod is fixedly connected with third connecting rod, and second rotating bar is respectively with first Support rod and second support bar rotation connection, first rotating bar one end and the second handle are close to the fixed company in one end of vehicle frame It connecing, the other end is fixedly connected with the second rotating bar, and second rotating bar is fixedly installed with third rotating bar close to front-wheel one end, The third rotating bar is equipped with the 6th connecting rod being rotatablely connected with it, the 6th connecting rod far from second rotating bar one end It is arranged in parallel with the 7th connecting rod, the 6th connecting rod is equipped with the 5th be rotatablely connected with it far from third rotating bar one end Connecting rod, described 5th connecting rod one end are fixedly connected with the 4th connecting rod.

As further technical solution of the invention: it is fixedly installed with first bearing in the first support bar, it is described First bearing is set in outside the second rotating bar and is rotatablely connected with it, and the second axis is fixedly installed in the second support bar It holds, the second bearing is set in outside the second rotating bar and is rotatablely connected with it；Described 4th connecting rod one end passes through the 5th Shaft and the 7th connecting rod are rotatablely connected.

As further technical solution of the invention: second both ends of the shaft offers pin hole, in the pin hole Pin shaft is installed；Described 6th connecting rod one end is rotatablely connected by the 6th shaft and third rotating bar, and the other end passes through the 4th Shaft and the 5th connecting rod are rotatablely connected.

As further technical solution of the invention: the bottom of frame is fixedly installed with multiple 3rd bearings, described The 4th rotating bar being flexibly connected with it is installed, described 4th rotating bar one end passes through third spring and fixation in 3rd bearing The fixed plate for being mounted on bottom of frame is fixedly connected, and the other end is fixedly installed with the gag lever post perpendicular with it, the frame sides Face offers the limiting slot matched with gag lever post.

Compared with prior art, the beneficial effects of the present invention are: to the traveling of tote cart and being turned by setting control device To controling effectively, course changing control is stable and conveniently, and the damping of triangle is arranged at front-wheel, passes through two o'clock point Dissipate and carried out damping by force-fitting damping spring, can ensure that tote cart balance is indeformable well, loading when driving more Steady safety, improves service life.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of electronic tote cart；

Fig. 2 is the rearview of electronic tote cart；

Fig. 3 is the right view of electronic tote cart；

Fig. 4 is the right pseudosection of electronic tote cart；

Fig. 5 is the top cross-sectional view of damping in electronic tote cart；

Fig. 6 is the connection schematic diagram of the second rotating bar and the 6th connecting rod in electronic tote cart；

Fig. 7 is the front view of electronic tote cart；

Fig. 8 is the left view of vehicle frame in electronic tote cart；

Fig. 9 is the structural schematic diagram of vehicle frame in electronic tote cart；

Figure 10 is the rearview of vehicle frame in electronic tote cart.

In figure: 1- vehicle frame, 2- wheel, 3- control device, 4- driving device, 5- damping, the first fixed link of 6-, 7- One support rod, 8- pedal, 9- motor, the first handle of 10-, 11- first rotating shaft, 12- first connecting rod, the second handle of 13-, 14- Second support bar, the first rotating bar of 15-, 16- first bearing, the second rotating bar of 17-, the first spring of 18-, 19- second bearing, 20- bolt, the second fixed link of 21-, the second connecting rod of 22-, 23- pin shaft, 24- third support rod, the second shaft of 25-, 26- the 4th Support rod, 27- limiting slot, 28- second spring, 29- third shaft, 30- third connecting rod, the 4th connecting rod of 31-, 32- the 5th Connecting rod, the 4th shaft of 33-, the 6th connecting rod of 34-, the 7th connecting rod of 35-, the 5th shaft of 36-, 37- third rotating bar, 38- 6th shaft, 39- limiting slot, 40- 3rd bearing, the 4th rotating bar of 41-, 42- gag lever post, 43- third spring, 44- fixed plate.

Specific embodiment

In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more, Unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc. Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings Condition understands the concrete meaning of above-mentioned term in the present invention.

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description.

Embodiment 1

Electronic tote cart as shown in figs. 1-7, including vehicle frame 1,1 bottom of vehicle frame is equipped with wheel 2, before the wheel includes Wheel and rear-wheel are equipped with driving device 4 on the rear-wheel, for driving tote cart to travel, damping machine are equipped on the front-wheel Structure 5 improves anti-seismic performance by setting damping 5, more comfortable when making to drive, and improves the service life of tote cart, described It is equipped on rear side of vehicle frame 1 for controlling direction and driving the control device 3 of effect.

The control device 3 includes for controlling the first handle 10 of traveling and braking and for controlling left and right turn Two handles 13, the first handle 10 uses the existing rotation handle with brake function, similar with existing electric vehicle, is ability Known in field technique personnel, repeat no more；Described second handle, 13 one end is arranged in vehicle frame 1 and is rotatablely connected with it, specially Corresponding slot is opened up on vehicle frame 1, the second handle 13 is rotated in slot, for the stability for guaranteeing rotation, the vehicle The first rotating shaft 11 being rotatablely connected with it is also equipped on frame 1, the first rotating shaft 11 passes through the first connection far from 1 one end of vehicle frame Bar 12 is connected with the second handle 13, and first connecting rod 12 is telescopic rod, and the second handle 13 is being arranged in just in the first rotating shaft 11 Lower section, that is, when rotating the second handle 13, first connecting rod 12 elongates or shortens accordingly, makes, rotation more accurate in rotation It is more convenient, Fig. 2 is specifically referred to, dotted line is the position after rotation, and it is conventional arrangement that axle sleeve is arranged outside first rotating shaft 11, Specific structure repeats no more；Second handle 13 is connected by transmission mechanism with front-wheel, i.e., preceding when rotating the second handle 13 The corresponding and then rotation of wheel is to control direction；

The driving device 4 includes motor 9, and 1 bottom of vehicle frame is equipped with the first fixed link 6,6 upper end of the first fixed link It is fixedly connected by first support bar 7 with 1 bottom of vehicle frame, 6 both ends of the first fixed link are connected with two rear-wheels respectively, described Motor 9 is fixedly mounted in the first fixed link 6 and is connected by output shaft with two rear-wheels, i.e., existing motor integral wheel, or Person uses existing band differential design, is able to achieve driving；It is also equipped in the first support bar 7 and is rotatablely connected with it Pedal 8, preferably hinge connects, and the setting of pedal 8 is stood at rear for people, and two handles is cooperated to form supported at three points, is driven When it is more stable, be specially fixedly installed with the first spring 18 in 8 side of pedal, first spring 18 is far from pedal 8 one End is fixedly connected with the first fixed link 6, and when pedal 8 is horizontally arranged, the first spring 18 is stretched, when pedal 8 is rotated up, the One spring 18, which restores deformation, makes pedal 8 be kept into folded state, more saves space, and fixing-stable when not in use；

The damping 5 includes second support bar 14, the second fixed link 21 and third support rod 24, second fixed link 21 Both ends are connected with two front-wheels, are connected by second support bar 14 with 1 bottom of vehicle frame among the second fixed link 21, i.e., by second Strut 14 is arranged among 1 bottom of vehicle frame to be supported vehicle frame 1, when traveling is at uneven section, due to stress collection In on one point, for a long time using be easy to cause damage, service life is low, and the third support rod 24 is fixedly mounted on vehicle thus It 1 bottom of frame and being arranged in parallel with second support bar 14,24 bottom of third support rod is equipped with the second connecting rod 22, and described Two connecting rods, 22 left and right ends are fixedly connected with the second fixed link 21, and the second connecting rod 22 is triangle connecting rod, with second Fixed link 21 forms triangle after connecting, 14 bottom of second support bar is equipped with the bolt 20 being threadedly coupled with it, passes through spiral shell Bolt 20 makes second support bar 14 keep certain gap and elasticity when connecting with the second fixed link 21, improves connective stability； It is fixedly connected by the second connecting rod 22 with the second fixed link 21 at left and right sides of 24 bottom of third support rod, specially will Third support rod 24 is vertically arranged in the front or dead astern of second support bar 14, can be selected according to actual vehicle It selects, the setting of transmission mechanism can be adaptively adjusted according to the setting of third support rod 24, guarantee that it can stable operation；Match Close two the second connecting rods 22 and the second fixed link 21 form triangular structure (triangular structure be it is preferred, be also designed to It is trapezoidal), cooperatively formed two points stress by two support rods, in this way when jolting by force dispersion in two points, mention significantly High service life；The second shaft 25 being rotatablely connected with it, second shaft are also equipped in second fixed link 21 25 one end are rotatablely connected through third support rod 24 and with it, and the other end is through second support bar 14 and is rotatablely connected with it, institute The second connecting rod 22 is stated to be set in 25 outside of the second shaft and be rotatablely connected with it, i.e., the setting and second in second support bar 14 The groove that fixed link 21 matches makes it be slidably connected with the second fixed link 21, by the second shaft 25 by second support bar 14, Second fixed link 21, the second connecting rod 22 and third support rod 24 are sequentially passed through and are rotatablely connected, to prevent the second shaft 25 sliding Out, pin hole is offered at 25 both ends of the second shaft, pin shaft 23 is installed in the pin hole；Further, described second 21 top of fixed link is also fixedly installed with the 4th support rod 26, and specially two about second support bar 14 the symmetrically arranged 4th Support rod 26,26 outer cover of the 4th support rod are equipped with second spring 28, described 28 one end of second spring and the 4th support rod 26 are fixedly connected, and the other end is fixedly connected with 1 bottom of vehicle frame, and guide rod of the 4th support rod 26 as second spring 28 passes through Second spring 28 realizes damping.

Second fixed link, 21 both ends offer limiting slot 27, are fixedly installed with third shaft in the limiting slot 27 29, the third shaft 29 and the angle of vertical direction are 0-20 °, and 29 outer cover of third shaft is equipped with and its company of rotation The third connecting rod 30 connect, third connecting rod 30 are vertically arranged with third shaft 29, and the third connecting rod 30 is far from limiting slot 27 one end are connected with front-wheel, are specially rotatablely connected, i.e., allow front-wheel solid with respect to second by the way that third connecting rod 30 is arranged Fixed pole 21 rotates, and makes 0-20 ° of front-wheel inward slant, referring to Fig. 6, can specifically be set according to cargo dead-weight in actual use It sets, keeps traveling more stable, facilitate carry out course changing control.

The transmission mechanism includes the first rotating bar 15, the second rotating bar 17, the 6th connecting rod 34,35 and of the 7th connecting rod Third rotating bar 37,35 both ends of the 7th connecting rod pass through two the 4th connecting rods 31 and two 30 phases of third connecting rod respectively Even, specially described 4th connecting rod, 31 one end is rotatablely connected by the 5th shaft 36 and the 7th connecting rod 35, that is, passes through the 7th Connecting rod 35 realizes the linkages of two front-wheels, guarantees the stability turned to；4th connecting rod 31 and third connecting rod 30 It is fixedly connected, to keep the linkage of the 4th connecting rod 31 and third connecting rod 30, further increases the stability of steering；It is described Second rotating bar 17 is rotatablely connected with first support bar 7 and second support bar 14 respectively, specially in the first support bar 7 It is fixedly installed with first bearing 16, the first bearing 16 is set in 17 outside of the second rotating bar and is rotatablely connected with it, described Be fixedly installed with second bearing 19 in second support bar 14, the second bearing 19 be set in 17 outside of the second rotating bar and and its Rotation connection；Described first rotating bar, 15 one end is fixedly connected with the second handle 13 close to one end of vehicle frame 1, the other end and second Rotating bar 17 is fixedly connected, in this way, being carried out by the first rotating bar 15 with the second rotating bar 17 when rotating the second handle 13 Rotation；Second rotating bar 17 is fixedly installed with third rotating bar 37 close to front-wheel one end, and the third rotating bar 37 is separate Second rotating bar, 17 one end is equipped with the 6th connecting rod 34 being rotatablely connected with it, preferably described 6th connecting rod 34 and the 7th Connecting rod 35 is arranged in parallel, and the 6th connecting rod 34 is equipped with the 5th be rotatablely connected with it far from 37 one end of third rotating bar Connecting rod 32, described 5th connecting rod, 32 one end are fixedly connected with the 4th connecting rod 31, specially described 6th connecting rod 34 1 End is rotatablely connected by the 6th shaft 38 with third rotating bar 37, and the other end is rotated by the 4th shaft 33 and the 5th connecting rod 32 Connection is moved left and right by third rotating bar 37 with the 6th rotating bar 34, then the 6th that is, when the second rotating bar 17 is rotated Rotating bar 34 is mobile with the 5th connecting rod 32 and the 4th connecting rod 31, so that front-wheel is turned centered on third shaft 29 Dynamic, and synchronized and rotated with the front-wheel 5 of the other side by the 7th connecting rod 35, the length of third rotating bar 37 is preferably the The half of one rotating bar, 15 length, in this way design are so that more slim and graceful laborsaving when the second handle 13 of rotation is turned to.

Embodiment 2

Further progress optimizes the present embodiment on the basis of embodiment 1, as seen in figs. 8-10, the fixed peace in 1 bottom of vehicle frame Equipped with multiple 3rd bearings 40, the 4th rotating bar 41 being flexibly connected with it is installed in 3rd bearing 40, specially may be used Sliding rotation connection；Described 4th rotating bar, 41 one end passes through third spring 43 and the fixed plate for being fixedly mounted on 1 bottom of vehicle frame 44 are fixedly connected, and the other end is fixedly installed with the gag lever post 42 perpendicular with it, and 1 side of vehicle frame offers and gag lever post 42 The limiting slot 39 matched, i.e., setting is connected by third spring 43 and limited by 3rd bearing 40 in 1 bottom of vehicle frame the The gag lever post 42 of bottom is pulled out and is rotated, keep it concordant with limiting slot 39 then when loading is easy to fall by four rotating bars 41 It unclamps, is vertically fixed on gag lever post 42 on vehicle frame 1 under the action of third spring 43, thus by Cargo restraint on vehicle frame 1, This structure setting is in front side or the left and right sides, and the structure of every side is not interfere with each other, and guarantees to work normally, while can also use It is existing to can be rotated carriage body construction, it can select according to the actual situation；Further, the front-wheel can also be set according to use demand It is set to universal wheel, bearing height is reduced and is applied to other places；Further, the front-wheel can also be set according to use demand Be set to one, i.e., transmission mechanism and damping 5 are adaptively adjusted existing tricycle structure, those skilled in the art according to Above-described embodiment disclosure appropriate adjustment can be realized, and repeat no more.

It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims

1. electronic tote cart, including vehicle frame (1), vehicle frame (1) bottom is equipped with wheel (2), the wheel include front-wheel and Rear-wheel, it is characterised in that: it is equipped with driving device (4), is equipped on the front-wheel damping (5) on the rear-wheel, it is described It is equipped on rear side of vehicle frame (1) for controlling direction and driving the control device (3) of effect.

2. electronic tote cart according to claim 1, it is characterised in that: the control device (3) includes for controlling row The first handle (10) sailed and braked and the second handle (13) for controlling left and right turn, described second handle (13) one end is set It sets in vehicle frame (1) and is rotatablely connected with it, second handle (13) is connected by transmission mechanism with front-wheel；The driving dress Setting (4) includes motor (9), and vehicle frame (1) bottom is equipped with the first fixed link (6), and the first fixed link (6) upper end passes through First support bar (7) is fixedly connected with vehicle frame (1) bottom, and the first fixed link (6) both ends are connected with two rear-wheels respectively, institute It states motor (9) to be fixedly mounted on the first fixed link (6) and be connected by output shaft with two rear-wheels, the first support bar (7) pedal (8) being rotatablely connected with it is also equipped on；The damping (5) includes second support bar (14), the second fixation Bar (21) and third support rod (24), the second fixed link (21) both ends are connected with two front-wheels, in the second fixed link (21) Between be connected with vehicle frame (1) bottom by second support bar (14), second support bar (14) bottom with it equipped with being threadedly coupled Bolt (20), the third support rod (24) is fixedly mounted on vehicle frame (1) bottom and is arranged in parallel with second support bar (14), Third support rod (24) bottom is equipped with the second connecting rod (22), and the second connecting rod (22) left and right ends are with second Fixed link (21) is fixedly connected, and the second shaft (25) being rotatablely connected with it, institute are also equipped on second fixed link (21) The second shaft (25) one end is stated through third support rod (24) and is rotatablely connected with it, the other end runs through second support bar (14) simultaneously It is rotatablely connected with it, second connecting rod (22) is set in the second shaft (25) outside and is rotatablely connected with it, described second The 4th support rod (26) is also fixedly installed with above fixed link (21), the 4th support rod (26) outer cover is equipped with second spring (28), described second spring (28) one end is fixedly connected with the 4th support rod (26), the fixed company of the other end and vehicle frame (1) bottom It connects.

3. electronic tote cart according to claim 2, it is characterised in that: the second fixed link (21) both ends offer Limiting slot (27), the limiting slot (27) is interior to be fixedly installed with third shaft (29), the third shaft (29) and vertical direction Angle be 0-20 °, third shaft (29) outer cover is equipped with the third connecting rod (30) that is rotatablely connected with it, described the Three connecting rods (30) are connected far from limiting slot (27) one end with front-wheel.

4. electronic tote cart according to claim 2, it is characterised in that: be also equipped on the vehicle frame (1) and rotated with it The first rotating shaft (11) of connection, the first rotating shaft (11) are held by first connecting rod (12) with second far from vehicle frame (1) one end (13) are connected, the first connecting rod (12) is telescopic rod, the first rotating shaft (11) setting the second handle (13) just Lower section.

5. electronic tote cart according to claim 2, it is characterised in that: pedal (8) side is fixedly installed with first Spring (18), first spring (18) are fixedly connected far from pedal (8) one end with the first fixed link (6).

6. the electronic tote cart according to Claims 2 or 3 or 4 or 5, it is characterised in that: the transmission mechanism includes first Rotating bar (15), the second rotating bar (17), the 6th connecting rod (34), the 7th connecting rod (35) and third rotating bar (37), it is described 7th connecting rod (35) both ends pass through two the 4th connecting rods (31) respectively and are connected with two third connecting rods (30), and the described 4th Connecting rod (31) is fixedly connected with third connecting rod (30), second rotating bar (17) respectively with first support bar (7) and Two support rods (14) rotation connection, described first rotating bar (15) one end and the second handle (13) are solid close to the one end of vehicle frame (1) Fixed connection, the other end are fixedly connected with the second rotating bar (17), and second rotating bar (17) is fixedly mounted close to front-wheel one end Have third rotating bar (37), the third rotating bar (37) is equipped with far from the second rotating bar (17) one end and is rotatablely connected with it 6th connecting rod (34), the 6th connecting rod (34) are arranged in parallel with the 7th connecting rod (35), the 6th connecting rod (34) The 5th connecting rod (32) being rotatablely connected with it, the 5th connecting rod (32) one are installed far from third rotating bar (37) one end End is fixedly connected with the 4th connecting rod (31).

7. electronic tote cart according to claim 6, it is characterised in that: be fixedly installed on the first support bar (7) First bearing (16), the first bearing (16) are set in the second rotating bar (17) outside and are rotatablely connected with it, described second It is fixedly installed on support rod (14) second bearing (19), it is external simultaneously that the second bearing (19) is set in the second rotating bar (17) It is rotatablely connected with it；4th connecting rod (31) one end is rotatablely connected by the 5th shaft (36) and the 7th connecting rod (35).

8. electronic tote cart according to claim 6, it is characterised in that: the second shaft (25) both ends offer pin Hole is equipped with pin shaft (23) in the pin hole；6th connecting rod (34) one end is rotated by the 6th shaft (38) and third Bar (37) rotation connection, the other end are rotatablely connected by the 4th shaft (33) and the 5th connecting rod (32).

9. electronic tote cart according to claim 6, it is characterised in that: vehicle frame (1) bottom is fixedly installed with multiple 3rd bearing (40), is equipped with the 4th rotating bar (41) being flexibly connected with it in the 3rd bearing (40), and described 4th turn Lever (41) one end is fixedly connected by third spring (43) with the fixed plate (44) for being fixedly mounted on vehicle frame (1) bottom, another End is fixedly installed with the gag lever post perpendicular with it (42), and vehicle frame (1) side is offered to be matched with gag lever post (42) Limiting slot (39).