CN218751116U

CN218751116U - Electric goods transport device capable of crossing obstacle

Info

Publication number: CN218751116U
Application number: CN202320224338.XU
Authority: CN
Inventors: 周顺祥
Original assignee: Chengdu Chengzhong Metal Products Co ltd
Current assignee: Chengdu Chengzhong Metal Products Co ltd
Priority date: 2023-02-16
Filing date: 2023-02-16
Publication date: 2023-03-28
Anticipated expiration: 2033-02-16

Abstract

The utility model discloses a can cross electronic cargo transportation device of obstacle relates to cargo transportation technical field. The utility model comprises a bearing mechanism, a control mechanism and a motion mechanism; the bearing mechanism comprises a bearing plate for bearing the goods, and the moving mechanism is arranged at the bottom of the bearing plate and can reciprocate along the vertical direction; the transportation device is also provided with a supporting mechanism for supporting the movement mechanism to cross the obstacle, and the supporting mechanism can horizontally reciprocate along the bottom of the bearing plate. The utility model adopts the electric device for transportation, and improves the working efficiency compared with manual transportation; meanwhile, the utility model can climb over the barriers with larger size such as the doorsill by matching the supporting plate with the lifting wheel, thereby avoiding the injury of workers which is easy to appear by manual climbing; secondly, independent driven wheel then can make the utility model discloses freely remove in narrow and small spaces such as elevator, passageway, make the utility model discloses can be applicable to multiple freight scene.

Description

Electric goods transport device capable of crossing obstacle

Technical Field

The patent of the utility model relates to a freight field especially relates to an electronic cargo transportation device that can cross the obstacle.

Background

With the increasing demand for quality of life, the frequency and time for purchasing furniture and decoration are increasing, and as most residential buildings have doorsills at their entrance, decoration materials or furniture and other heavy goods delivered by the user or seller need to be lifted from the door.

To this kind of freight scene, traditional transportation mode adopts the manual work to remove goods or fork truck transportation more, and the manual transportation wastes time and energy inefficiency and the cost is more and more high, and the fork truck transportation can promote efficiency, still can't reach narrow and small region, and can't cross barriers such as threshold, and the transportation scope has received the restriction. Meanwhile, the traditional freight trolley cannot automatically cross over barriers such as the threshold and the like, when the load of the trolley is large, the threshold is crossed, multiple workers need to manually lift the front end and the rear end of the trolley, the crossing consumes manpower, and the trolley and goods are prone to tipping, so that workers are injured.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can cross electronic cargo transportation device of obstacle to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

an electric goods transportation device capable of crossing obstacles comprises a bearing mechanism, a control mechanism and a movement mechanism; the bearing mechanism comprises a bearing plate for bearing goods, and the movement mechanism is arranged at the bottom of the bearing plate and can reciprocate along the vertical direction;

the transportation device is also provided with a supporting mechanism for supporting the movement mechanism to cross the obstacle, and the supporting mechanism can horizontally reciprocate along the bottom of the bearing plate.

The supporting mechanism comprises a supporting plate, a power switching mechanism, a guide post and a first motor; the end parts of the two ends of the guide post are rotatably arranged at the bottom of the bearing plate through bearings, and the support plate is connected with the guide post through a guide sleeve; the kinetic energy output end of the first motor is connected with a power switching mechanism, and a rack for driving the supporting plate to rotate along the axial direction of the guide pillar is connected to the power switching mechanism.

The end, close to the guide post, of the support plate is provided with a roller wheel used for driving the bearing mechanism to move relative to the support plate, the roller wheel is rotatably installed on the support plate through a bearing, a rotating shaft penetrates through the center of the roller wheel, and the end, close to the first motor, of the rotating shaft is in meshed connection with the power switching mechanism through a gear.

The bottom of the bearing plate is provided with a sliding groove for the first motor and the power switching mechanism to slide, and the sliding blocks matched with the sliding groove are connected to the positions, close to the sliding groove, of the motor and the power switching mechanism.

The battery box for placing the battery is arranged at the bottom of the bearing plate, a limiting block for limiting the rotation angle of the supporting plate is arranged on the side wall, away from the first motor, of the battery box, of the supporting plate, a groove matched with the limiting block is formed in the bottom of the bearing plate, and the length of the groove is equal to that of the guide pillar.

The movement mechanism comprises wheels, a wheel frame, a lifter, a second motor and a third motor, wherein one end of the lifter is fixedly arranged at the bottom of the bearing plate, and the other end of the lifter is connected with the wheels through the wheel frame; a gear disc used for controlling the steering of the wheels is arranged on the wheel frame, and a gear matched with the gear disc is arranged on the second motor; the lifter is an electric scissor jack and is driven by a third motor; the bearing plate bottom still is provided with the driven wheel of supplementary this device removal.

The control mechanism comprises an infrared sensing device, a laser positioning device, a manual controller and a device for controlling a power switching mechanism in the movement mechanism; the infrared sensing devices are arranged on the side wall of the periphery of the bearing plate; the laser positioning device is arranged on the side wall of the bearing plate far away from one side of the manual controller; the signal input end of the manual controller is connected with the infrared sensing device and the laser positioning device, and the signal output end of the manual controller is connected with the first motor, the second motor and the third motor.

The bearing mechanism comprises coamings, upright posts and transverse tubes which are used for assembling a single-opening box body or a multilayer goods shelf; the number of the enclosing plates is eight, and the enclosing plates are detachably arranged between the upright posts; the number of the fastening clamping grooves is four, and the fastening clamping grooves are fixedly arranged at four corners of the bottom surface of the bearing plate; one end of the upright post is embedded in the fastening clamping groove, the upright post is provided with a buckle for placing the end part of the transverse pipe and the coaming, the transverse pipe is provided with a bolt for fixing the coaming.

Preferably, the bearing mechanism further comprises an inner and outer screw rotating pipe, a connecting pipe, a screw rod and a base for supporting the screw rod, wherein the inner and outer screw rotating pipe is used for lifting the bearing plate; the inner and outer screw rotating pipes are respectively and rotationally connected with the bearing plate and the screw rod through connecting pipes; the inner and outer wire rotating pipes are driven by a third motor; a detection device for detecting whether the screw mouth of the screw rod is deformed or whether foreign matters exist is arranged in the connecting pipe; and one end of the screw rod, which is close to the ground, is provided with a base for supporting the screw rod.

The utility model has the advantages that:

(1) the utility model adopts the electric device for transportation, and improves the working efficiency compared with manual transportation; meanwhile, the utility model can climb over the barriers with larger size such as the doorsill by matching the supporting plate with the lifting wheel, thereby avoiding the condition that workers are easily injured when the trolley is lifted up manually; secondly, the wheels driven independently can enable the utility model to move freely in narrow spaces such as elevators, aisles and the like, so that the utility model can be suitable for various goods transportation scenes;

(2) when the utility model is used, when goods are transported from one place to another place, the complex operation of unloading and reloading the goods is avoided, the working process of goods transportation is simplified, and the manpower is further saved;

(3) the utility model discloses an infrared induction device and laser positioning device can carry out real-time detection around the device in the cargo transportation, can slow down when detecting the foreign matter and stop and in time send out the warning, avoid the utility model discloses mistake hits staff or other article and causes the loss, has improved the security of the utility model;

(4) can select handle control or cell-phone APP remote control according to actual need, increased operating personnel with the utility model discloses a distance scope the utility model discloses during some and narrow or should not pass through region, operating personnel can confirm by the side the utility model discloses with the specific distance of barrier to judge whether can pass through, avoid the utility model discloses take place to cut and rub.

Drawings

Fig. 1 is a side view of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is a bottom view of the present invention;

FIG. 4 is a first schematic diagram of the obstacle crossing process of the present invention;

FIG. 5 is a schematic diagram of the obstacle crossing process of the present invention;

FIG. 6 is a third schematic view of the obstacle crossing process of the present invention;

fig. 7 is a schematic diagram of the obstacle crossing process of the present invention;

FIG. 8 is a fifth schematic view of the obstacle crossing process of the present invention;

fig. 9 is a sixth schematic view of the obstacle crossing process of the present invention;

fig. 10 is a seventh schematic diagram of the obstacle crossing process of the present invention;

fig. 11 is a schematic structural view of embodiment 1 of the present invention;

fig. 12 is a schematic structural view of embodiment 2 of the present invention;

fig. 13 is a schematic structural view of embodiment 3 of the present invention;

fig. 14 is a schematic structural view of embodiment 4 of the present invention;

fig. 15 is a first schematic structural diagram of embodiment 5 of the present invention;

fig. 16 is a side view of the first schematic structural diagram of embodiment 5 of the present invention;

fig. 17 is a schematic structural diagram ii of embodiment 5 of the present invention.

In the figure, 1, a bearing plate; 2. enclosing plates; 3. a support plate; 4. a power switching mechanism; 5. a guide post; 6. a first motor; 7. a battery case; 8. a roller; 9. a rotating shaft; 10. a chute; 11. a limiting block; 12. a wheel; 13. a wheel frame; 14. a lifter; 15. a second motor; 16. a gear plate; 17. an infrared sensing device; 18. a laser positioning device; 19. a column; 20. a transverse tube; 21. fastening a clamping groove; 22. rotating the inner and outer threads; 23. a base; 24. a driven wheel; 25. a screw rod; 26. a detection device; 27. a connecting pipe; 28. a third motor.

Detailed Description

The technical solution of the present invention is described in further detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description.

Referring to fig. 1 to 16, an embodiment of the present invention provides an electric cargo transporter capable of climbing over obstacles.

As shown in fig. 1, an electric cargo transporter capable of crossing obstacles comprises a bearing mechanism, a control mechanism and a movement mechanism; the bearing mechanism comprises a bearing plate 1 for bearing goods, and the movement mechanism is arranged at the bottom of the bearing plate 1 and can reciprocate along the vertical direction;

the transportation device is also provided with a supporting mechanism for supporting the movement mechanism to cross obstacles, and the supporting mechanism can horizontally reciprocate along the bottom of the bearing plate 1.

Bearing plate 1 bottom is provided with the cavity that is used for placing bounding wall 2 and stand 19, gyro wheel 8 in the backup pad 3 can bear the partial gravity of this conveyer and the goods that carry through the cavity bottom when rotating, consequently, in order to avoid the cavity to take place to warp because of the too big pressure that the tight effect of supporting of gyro wheel 8 received, the cavity need adopt thick or high strength material preparation to form.

As shown in fig. 2, the supporting mechanism comprises a supporting plate 3, a power switching mechanism 4, a guide post 5 and a first motor 6; the end parts of two ends of the guide post 5 are rotatably arranged at the bottom of the bearing plate 1 through bearings, and the support plate 3 is connected with the guide post 5 through a guide sleeve; the kinetic energy output end of the first motor 6 is connected with the power switching mechanism 4, and the power switching mechanism 4 is connected with a rack which drives the support plate 3 to rotate along the axial direction of the guide post 5.

The supporting plate 3 is provided with a roller 8 for assisting the driving bearing mechanism to move relative to the supporting plate 3 at one end close to the guide post 5, the roller 8 is rotatably mounted on the supporting plate 3 through a bearing, a rotating shaft 9 is fixedly arranged in the center of the roller 8 in a penetrating mode, and the end portion, close to one end of the first motor 6, of the rotating shaft 9 is connected with the power switching mechanism 4 in a meshed mode through a chain.

The end part of the support plate 3 far away from the first motor 6 can be provided with a pin with a spring, when the support plate 3 is in a retracted state, the pin is popped out and clamped in a groove of the side wall of the cavity at the bottom of the bearing plate 1 to bear the weight of a part of the support plate 3, and the guide post 5 is prevented from bearing the weight of the support plate 3 to cause the deformation of the guide post 5.

When laser positioning device 18 detected the threshold, first motor 6 drive backup pad 3 rotated to perpendicular to ground to make backup pad 3 prop up the utility model discloses, make things convenient for the shrink of wheel 12 to cross the threshold.

The bottom of the bearing plate 1 is provided with a sliding groove 10 for the first motor 6 and the power switching mechanism 4 to slide, and a sliding block matched with the sliding groove 10 is connected to the position, close to the sliding groove 10, of the motor and the power switching mechanism 4.

The battery box 7 used for placing batteries is arranged at the bottom of the bearing plate 1, a limiting block 11 used for limiting the rotation angle of the supporting plate 3 is arranged on the side wall of the battery box 7, far away from one side of the first motor 6, of the supporting plate 3, a groove matched with the limiting block 11 is arranged at the bottom of the bearing plate 1, and the length of the groove is equal to that of the guide pillar 5.

The support plate 3 can be ensured to rotate to be vertical to the ground through the matching of the limiting block 11 and the groove; the length of the groove is the same as that of the guide post 5, so that the limiting block 11 can be always in contact with the groove when the supporting plate 3 moves relative to the bearing plate 1.

As shown in fig. 3, the number of the support plates 3 is two, and when the support plates 3 are folded, one support plate 3 is located at one end of the guide post 5, and the other support plate 3 is located slightly behind the guide post 5; in the process that the support plate 3 rotates to be vertical to the ground, the support plate 3 at the end part of the guide post 5 is controlled by the motor to firstly rotate to be vertical to the ground, the support plate 3 at the rear part is driven by the guide sleeve to move to be flush with the support plate 3 at the front part, and then the support plate is rotated to be vertical to the ground.

When the utility model crosses the threshold, the support plate 3 plays a role of supporting the front end of the bearing plate 1, and the roller 8 starts to rotate to provide partial power for the forward movement of the bearing plate 1; when the utility model discloses after the threshold that finishes over, control motor makes backup pad 3 rotatory to packing up the state, removes the initial position to on the guide pillar 5 at last.

The movement mechanism comprises wheels 12, a wheel frame 13, a lifter 14 and a second motor 15, one end of the lifter 14 is fixedly arranged at the bottom of the bearing plate 1, and the other end of the lifter is connected with the wheels 12 through the wheel frame 13; a gear disc 16 for controlling the steering of the wheels 12 is arranged on the wheel frame 13, and a gear matched with the gear disc 16 is arranged on the second motor 15; the elevator 14 is an electric scissor jack.

The rear surface of the bottom of the bearing plate 1 is provided with a driven wheel 24 for preventing the transportation device and goods from inclining, the upper end of the driven wheel 24 is connected with an electric hydraulic jack, and one end of the electric hydraulic jack, far away from the driven wheel, is fixedly connected with the bottom of the bearing plate 1.

The wheels 12 are connected with the bottom of the bearing plate 1 through a lifter 14; when the supporting plate 3 jacks up the bottom of the bearing plate 1, the lifter 14 on the moving mechanism near the control threshold enables the wheel 12 to ascend, and then the other two wheels 12 and the roller 8 drive the utility model discloses continue to advance.

When the utility model discloses during the removal, second motor 15 drive toothed disc 16 is rotatory, drives wheel 12 and rotates, can accomplish the utility model discloses a turn to.

The control mechanism comprises an infrared sensing device 17, a laser positioning device 18, a manual controller and a device for controlling the power switching mechanism 4 in the motion mechanism; the bearing plate 1 is provided with an infrared sensing device 17 for detecting obstacles and a laser positioning device 18 for detecting a threshold.

The infrared sensing device 17 is arranged on the peripheral side wall of the bearing plate 1, and the laser positioning device 18 is arranged on the side wall of the bearing plate 1 far away from the manual controller. The infrared induction device 17 is used for inducing that objects exist in a certain distance from the side surface of the utility model and feeding back to the control mechanism in time so that the control mechanism can send out warning information; the laser positioning device 18 mainly detects the distance from obstacles such as a threshold and the height of the bearing plate 1 from the ground.

The signal input end of the manual controller is connected with the infrared sensing device 17 and the laser positioning device 18, and the signal output end of the manual controller is connected with the first motor 6, the second motor 15 and the third motor 28.

Can set up the display screen at the back of this conveyer, can show on the display screen the utility model discloses relevant information among the current state: (1) device power: (1) residual electric quantity (2) and predicted driving mileage; (2) cargo loading state: (1) the current bearing capacity; (2) the maximum carrying capacity; (3) carrying balance degree; (4) pressure values of the upright column and the coaming; (3) failure state: (1) electromechanical fault display; (2) displaying software faults; (3) and displaying hardware faults.

Can look up and analyze on cell-phone APP the utility model discloses all kinds of information in current and past operating condition: (1) fault state and analysis: (1) electromechanical fault analysis; (2) analyzing software faults; (3) analyzing hardware faults; (2) device location state information: (1) displaying the current position; (2) historical running tracks; (3) a nearby serviceable base station; (3) analyzing the working condition of the device: (1) analyzing daily operating mileage; (2) analyzing the arrival time of the same destination over time; (3) an optimizable operating scheme; (4) device power: (1) the total electric quantity; (2) and residual electric quantity; (3) predicted number of miles to be traveled.

The four corners of the bearing plate 1 can be provided with gravity sensors for detecting the load bearing state (namely the current weight value and the maximum weight value) of the goods in real time, and displaying and alarming on a display screen; simultaneously, carry out contrastive analysis through the data of passing back to different position gravity sensor, also can obtain the current equilibrium that bears the weight of goods, can prevent to lead to the focus skew because of goods locating position is not in bearing plate central authorities to the risk that makes the goods turn on one's side.

Similarly, also can set up pressure sensor on bounding wall 2 for detect the goods gravity that the bounding wall received when being as the diaphragm, surpass the settlement range and then show, report to the police on the display screen, can prevent that overweight goods from rolling over bounding wall 2 and leading to bounding wall 2 to damage.

The utility model discloses a theory of operation is:

as shown in fig. 4, when the laser positioning device 18 detects that the distance to the ground is low (i.e. a threshold or a large obstacle is encountered), the control mechanism controls the wheel 12 to decelerate until stopping; then, the control mechanism controls the lifter 14 to ascend to a certain height, and the distance between the bottom of the bearing plate 1 and the ground is ensured to be enough to enable the supporting plate 3 to rotate to be vertical; then the control mechanism controls the first motor 6 to rotate the support plate 3 until the support plate 3 is vertical to the ground; the control mechanism controls the power switching mechanism 4 on the supporting plate of the first motor 6 to be meshed with the gear of the roller 8 on the supporting plate, and then the control mechanism controls the first motor 6 to move the supporting plate 3 to a specified position; meanwhile, the driven wheel 24 is driven by an electric hydraulic jack to be in an unfolding state, so that the integral balance of the trolley is ensured.

As shown in fig. 5, the lifters 14 on the two front wheels 12 are controlled to contract, so that the rollers 8 start to undertake the movement work of the front end of the device instead of the front wheels 12; then two wheels 12 at the rear end and the roller 8 are controlled to drive the utility model to go forward.

When the laser positioning device 18 detects that the front two wheels 12 step over the threshold, the control mechanism controls the extension of the lifter 14 on the front two wheels 12 to make the front two wheels 12 touch the ground again, as shown in fig. 6.

As shown in fig. 7, the present invention is driven by four wheels 12 until the two wheels 12 at the rear end are detected to be close to the obstacle.

As shown in fig. 8, the lifter 14 on the two wheels 12 at the rear end is controlled to contract and the utility model is driven to advance continuously by the two wheels 12 at the front end and the roller 8.

As shown in fig. 9, when the laser positioning device 18 detects that the two rear wheels 12 step over the threshold, the lifting devices 14 on the two rear wheels 12 are controlled to extend, so that the two rear wheels 12 land again and drive the utility model to go forward; because the front wheel and the rear wheel of the trolley are in a grounding state, the trolley is in a balance state, the auxiliary of the driven wheel 24 is not needed, and the electric hydraulic jack is controlled to enable the driven wheel 24 to be in a retracting state.

As shown in fig. 10, the control mechanism finally controls the first motor 6 to return the support plate 3 to the folded state, and the support plate 3 is driven by the first motor 6 to bring the guide sleeve back to the initial position.

Finally, the control mechanism controls the lifter 14 to retract to the initial state shown in fig. 1.

The bearing mechanism comprises a coaming 2, an upright post 19, a transverse pipe 20 and a fastening clamping groove 21; the number of the coamings 2 is two in four directions and the coamings are detachably arranged between the upright posts 19; the number of the fastening clamping grooves 21 is four, and the fastening clamping grooves are fixedly arranged at four corners of the bearing plate 1; one end of the upright post 19 is embedded in the fastening clamping groove 21, a buckle used for placing the end part of the transverse tube 20 is arranged on the upright post 19, and a bolt used for fixing the coaming 2 is arranged on the transverse tube 20.

The shroud 2 is removable from between the uprights 19 and is fixed as a cross-piece to the cross tube 20 by means of a latch.

The following further describes embodiments of the present invention with reference to different usage scenarios:

example 1

As shown in fig. 11, in this embodiment, the upright column 19 and the surrounding plate 2 are not set up on the bearing plate 1, and the bearing plate is only used as a flat car for transporting large-sized goods.

Example 2

As shown in fig. 12, in this embodiment, the utility model discloses a be provided with four stands 19 on bearing plate 1, be provided with bounding wall 2 between stand 19 and the stand 19, be connected through the draw-in groove gomphosis between the bounding wall 2, with the single-opening box that forms a encirclement between the stand 19 for the goods of the condition such as the transportation volume is less, difficult pile, and can ensure that the goods can not drop.

Example 3

As shown in fig. 13, compare with embodiment 2, the utility model discloses a violently pipe 20 along the horizontal direction tiling that the draw-in groove on the usable stand 19 of bounding wall 2 was fixed, two bounding walls 2 tiling of one side form the whole diaphragm of one deck, make the utility model discloses from last diaphragm that down has the three-layer and can place the goods to can place the great but highly shorter goods of area on the diaphragm.

Example 4

As shown in fig. 14, compare with embodiment 3, the utility model discloses a violently pipe 20 along the horizontal direction tiling that the draw-in groove on the usable stand 19 of bounding wall 2 was fixed, a bounding wall 2 of one side forms one side semi-open diaphragm, semi-open diaphragm is from last down crisscross setting, so the vertical direction interval of number between the semi-open diaphragm of every homonymy is the twice of whole diaphragm interval, and the diaphragm that sets up like this is applicable to the less nevertheless highly higher goods that lead to can not keep flat of the area such as placing the opening container that is equipped with liquid, perhaps the goods that can not the multilayer pile such as empty carton.

Example 5

As shown in fig. 15 to 17, in this embodiment, the bearing mechanism further includes an inner and outer rotating pipe 22, a connecting pipe 27, a screw 25 and a base 23 for lifting the bearing plate 1; the inner and outer rotating pipes 22 are respectively and rotatably connected with the bearing plate 1 and the screw rod 25 through connecting pipes 27; a detection device 26 for detecting the deformation of the screw mouth of the screw rod 25 or foreign matters is arranged in the connecting pipe 27; one end of the screw rod 25 close to the ground is provided with a base 23 for supporting the screw rod 25.

Because the inner and outer wire rotating pipes 22 are additionally arranged in the embodiment, the space of the battery box 7 on two sides of the bearing plate 1 is affected to be small, so that the cavity above the first motor 6 for placing the enclosing plate 2, the upright post 19 and the transverse pipe 20 in the embodiments 1 to 4 needs to be used for placing the battery box 7 to ensure that the utility model has sufficient energy supply;

meanwhile, in the embodiment, because the telescopic function of the lifter 14 cannot be used, the third motor 28 can be adopted to drive the inner and outer screw rotating pipes 22 to control the bearing plate 1 to ascend and descend along the screw rod 25, and meanwhile, the base 23 descending along the screw rod 25 replaces the wheel 12 to play a role in supporting the ground, so that the utility model can ascend or descend to a set height according to the actual requirement of a worker when not moving; make the staff from having a take the altitude operation platform or another the utility model discloses on when transporting goods to bearing plate 1, need not to hold up or put down the goods, direct translation goods can, very big saving manpower.

The foregoing is illustrative of the preferred embodiments of the present invention, and it is to be understood that the invention is not limited to the precise forms disclosed herein, and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the invention as defined by the appended claims. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. An electric cargo transporter capable of climbing over obstacles, characterized in that: the cargo transportation device comprises a bearing mechanism, a control mechanism and a movement mechanism; the bearing mechanism comprises a bearing plate for bearing the goods, and the movement mechanism is arranged at the bottom of the bearing plate and can reciprocate along the vertical direction;

2. An electric cargo transporter capable of negotiating obstacles according to claim 1, wherein: the supporting mechanism comprises a supporting plate, a power switching mechanism, a guide post and a first motor; the end parts of the two ends of the guide post are rotatably arranged at the bottom of the bearing plate through bearings, and the support plate is connected with the guide post through a guide sleeve; the kinetic energy output end of the first motor is connected with a power switching mechanism, and a rack for driving the supporting plate to rotate along the axial direction of the guide pillar is connected to the power switching mechanism.

3. An electric cargo transporter capable of negotiating obstacles according to claim 2, wherein: the end, close to the guide post, of the support plate is provided with a roller wheel used for driving the bearing mechanism to move relative to the support plate, the roller wheel is rotatably installed on the support plate through a bearing, a rotating shaft penetrates through the center of the roller wheel, and the end, close to the first motor, of the rotating shaft is in meshed connection with the power switching mechanism through a gear.

4. An electric cargo transporter capable of negotiating obstacles according to claim 3, wherein: the bottom of the bearing plate is provided with a sliding groove for the first motor and the power switching mechanism to slide, and the sliding blocks matched with the sliding groove are connected to the positions, close to the sliding groove, of the motor and the power switching mechanism.

5. An electric cargo transporter capable of negotiating obstacles according to claim 2, wherein: the battery box for placing the battery is arranged at the bottom of the bearing plate, a limiting block for limiting the rotation angle of the supporting plate is arranged on the side wall, away from the first motor, of the battery box, of the supporting plate, a groove matched with the limiting block is formed in the bottom of the bearing plate, and the length of the groove is equal to that of the guide pillar.

6. An electric cargo transporter capable of negotiating obstacles according to claim 2, wherein: the movement mechanism comprises wheels, a wheel frame, a lifter, a second motor and a third motor, wherein one end of the lifter is fixedly arranged at the bottom of the bearing plate, and the other end of the lifter is connected with the wheels through the wheel frame; a gear disc used for controlling the steering of the wheels is arranged on the wheel frame, and a gear matched with the gear disc is arranged on the second motor; the lifter is an electric scissor jack and is driven by a third motor; the bearing plate bottom still is provided with the driven wheel of supplementary this device removal.

7. An electric cargo transporter capable of negotiating obstacles according to claim 6, wherein: the control mechanism comprises an infrared sensing device, a laser positioning device, a manual controller and a device for controlling a power switching mechanism in the movement mechanism; the infrared sensing devices are arranged on the side wall of the periphery of the bearing plate; the laser positioning device is arranged on the side wall of the bearing plate far away from one side of the manual controller; the signal input end of the manual controller is connected with the infrared sensing device and the laser positioning device, and the signal output end of the manual controller is connected with the first motor, the second motor and the third motor.

8. An electric cargo transporter capable of negotiating obstacles according to claim 1, wherein: the bearing mechanism comprises coamings, upright posts, transverse tubes and fastening clamping grooves which are used for assembling a single-opening box body or a multilayer goods shelf; the number of the enclosing plates is eight, and the enclosing plates are detachably arranged between the upright posts; the number of the fastening clamping grooves is four, and the fastening clamping grooves are fixedly arranged at four corners of the bottom surface of the bearing plate; the utility model discloses a horizontal pipe of building, including stand, horizontal pipe, fastening slot, buckle, horizontal pipe, bolt, buckle, horizontal pipe, stand one end inlays to be established in fastening slot, be provided with the buckle that is used for placing horizontal pipe tip and bounding wall on the stand, be provided with the bolt that is used for fixed bounding wall on the horizontal pipe.

9. An electric cargo transporter capable of negotiating obstacles according to claim 6, wherein: the bearing mechanism also comprises an inner and outer screw rotating pipe, a connecting pipe, a screw rod and a base for supporting the screw rod, wherein the inner and outer screw rotating pipe is used for lifting the bearing plate; the inner and outer screw rotating pipes are respectively and rotatably connected with the bearing plate and the screw rod through connecting pipes; the inner and outer wire rotating pipes are driven by a third motor; a detection device for detecting whether the screw mouth of the screw rod is deformed or foreign matters exist is arranged in the connecting pipe; and one end of the screw rod, which is close to the ground, is provided with a base for supporting the screw rod.