CN219885583U - Transport robot - Google Patents

Abstract

The utility model provides a transport robot. The transport robot provided by the utility model comprises a frame assembly, a first walking unit, a second walking unit and a connecting assembly; the rack assembly comprises a main body rack and a suspension unit; the second walking unit comprises two second walking wheels which are connected to the bottom end of the main body frame; the suspension unit comprises a suspension and a shock absorber, wherein two ends of the suspension are respectively hinged with the main body frame and the first travelling unit, and two ends of the shock absorber are respectively hinged with the main body frame and the suspension, or two ends of the shock absorber are respectively hinged with the first travelling unit and the suspension; the connecting assembly comprises a lifting unit and a locking unit, wherein the lifting unit is arranged on the main body frame, the locking unit is arranged at the lifting end of the lifting unit, and the locking unit is configured to lock the robot and the target object together. The utility model provides a transport robot which can transport containers in places with relatively small space.

Description

Transport robot

Technical Field

The utility model relates to the field of robots, in particular to a transport robot.

Background

In the prior art, a large crane or a gantry crane is generally adopted for hoisting and transporting the container.

However, when transporting containers in small spaces, large cranes or gantry cranes often have a large volume, and it is difficult to spread the crane or gantry crane for operation.

Disclosure of Invention

In order to solve at least one of the problems mentioned in the background art, the present utility model provides a transport robot that can transport containers in places where the space is relatively narrow.

In order to achieve the above object, the present utility model provides the following technical solutions:

the utility model provides a transport robot, which comprises a frame assembly, a first walking unit, a second walking unit and a connecting assembly, wherein the frame assembly is connected with the first walking unit;

the rack assembly comprises a main body frame and a suspension unit, wherein the main body frame extends along the vertical direction;

the first traveling unit comprises a first traveling wheel; the second walking unit comprises two second walking wheels which are connected to the bottom end of the main body frame;

the suspension unit comprises a suspension and a shock absorber, wherein two ends of the suspension are respectively hinged with the main body frame and the first travelling unit, and two ends of the shock absorber are respectively hinged with the main body frame and the suspension, or two ends of the shock absorber are respectively hinged with the first travelling unit and the suspension;

the connecting assembly comprises a lifting unit and a locking unit, wherein the lifting unit is arranged on the main body frame, the locking unit is arranged at the lifting end of the lifting unit, the locking unit is driven by the lifting unit to do lifting motion along the vertical direction, and the locking unit is configured to lock the robot and the target object together.

As an alternative embodiment, the suspension has two suspensions, which are arranged at intervals in the vertical direction.

As an alternative embodiment, the suspension unit includes a plurality of hinge seats, the plurality of hinge seats are disposed on the main body frame and the first traveling unit, the plurality of hinge seats are disposed in pairs along the first direction, the hinge seats have hinge through holes extending along the second direction, two ends of the suspension include hinge shafts extending along the second direction, and the hinge shafts are disposed in the hinge through holes in a penetrating manner.

As an alternative embodiment, the suspension further comprises at least two connecting rods connected between the two hinge shafts at both ends of the suspension at intervals, and a reinforcing rod connected between the connecting rods, the reinforcing rod extending in the second direction.

As an alternative embodiment, the lifting unit includes a screw lifter, the screw lifter includes a body, a screw and a moving frame, the body is fixed at one side of the main body frame away from the first moving unit, the screw is arranged in the body in a penetrating manner, the screw is configured to move up and down along a vertical direction, the bottom of the screw is fixedly connected with the moving frame, so that the moving frame is driven to move up and down along the vertical direction by the screw, and the locking unit is arranged at the bottom end of the moving frame.

As an alternative implementation mode, the screw rod lifter further comprises a manual rotary table, a worm and a worm wheel, wherein the manual rotary table is fixedly connected to one end of the worm, the worm extends along the second direction, the worm is meshed with the worm wheel, the worm and the worm wheel are all arranged in the machine body in a penetrating mode, and the worm wheel is connected with the screw rod in a transmission mode so that the screw rod is driven to lift and move along the vertical direction through rotation of the manual rotary table.

As an alternative embodiment, the locking unit includes a mounting plate, a locking head, and a rotating handle, the mounting plate is disposed at a bottom end of the moving frame, the rotating handle is rotatably disposed in the mounting plate along a first direction, an end of the rotating handle passing through the mounting plate is connected with the locking head, and the locking head is configured to be locked with the target object.

As an alternative embodiment, the connecting assembly further comprises a tightening mechanism, the tightening mechanism comprises a fixing piece, a tightening piece and a pulling piece, the fixing piece is fixedly arranged on the movable frame, the first end of the tightening piece is rotatably connected with the fixing piece, the second end of the tightening piece forms a hooked tightening part, the tightening part is used for tightening the target object, the first end of the tightening piece is fixedly connected with the pulling piece, and the pulling piece is used for assisting the tightening piece to rotate in the horizontal plane.

As an alternative embodiment, the first travelling unit further comprises a rudder mount, a mounting frame, a driving motor and a steering mechanism, the suspension is hinged with the steering engine mount, the first travelling wheel is rotatably mounted on the mounting frame, the driving motor is arranged on the first travelling wheel, the driving motor is used for driving the first travelling wheel to rotate, and the steering mechanism is arranged between the rudder mount and the mounting frame so as to control steering of the first travelling wheel through the steering mechanism.

As an alternative embodiment, the vehicle further comprises a transport trailer comprising a frame and wheels, the wheels being rollably connected to the bottom of the frame, the frame being for carrying the transported goods, the frame being configured to be locked together with the locking unit.

As an alternative embodiment, still include the spraying trailer, the spraying trailer includes spraying unit and gyro wheel, and the gyro wheel is rotationally set up in spraying unit bottom, and spraying unit is used for outwards spouting after atomizing liquid, and the spraying trailer is constructed to lock with locking unit and links together.

As an alternative implementation mode, the fork arm unit further comprises a fork arm unit, wherein the fork arm unit comprises a connecting plate and at least two forks which are arranged at intervals, the connecting plate is locked with the locking unit, one end of each fork is fixed on the connecting plate, and the forks are used for loading and unloading goods.

The transport robot provided by the utility model comprises a frame assembly, a first walking unit, a second walking unit and a connecting assembly; the rack assembly comprises a main body frame and a suspension unit, wherein the main body frame extends along the vertical direction; the first traveling unit comprises a first traveling wheel; the second walking unit comprises two second walking wheels which are connected to the bottom end of the main body frame; the suspension unit comprises a suspension and a shock absorber, wherein two ends of the suspension are respectively hinged with the main body frame and the first travelling unit, and two ends of the shock absorber are respectively hinged with the main body frame and the suspension, or two ends of the shock absorber are respectively hinged with the first travelling unit and the suspension; the connecting assembly comprises a lifting unit and a locking unit, wherein the lifting unit is arranged on the main body frame, the locking unit is arranged at the lifting end of the lifting unit, the locking unit is driven by the lifting unit to do lifting motion along the vertical direction, and the locking unit is configured to lock the robot and the target object together. When the container is transported in a space with a narrow space, a plurality of the transportation robots provided by the utility model can be placed on four corners of the bottom of the container to be transported, each transportation robot is locked with the container through the locking unit, the first travelling wheel of the robot can rotate by the power provided by the robot, so that the container can be moved, the lifting unit can lift the locking unit and the container locked with the locking unit to a certain height, the transportation of the container is facilitated, and the suspension and the shock absorber which are arranged in a hinged manner can improve the shock absorption and buffering effect of the robot, so that the container transportation process is more stable.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to the drawings without inventive effort to a person skilled in the art.

Fig. 1 is a schematic structural diagram of a transport robot according to an embodiment of the present utility model;

FIG. 2 is a top view of FIG. 1;

fig. 3 is a schematic view of a locking unit in a transport robot according to an embodiment of the present utility model;

fig. 4 is a schematic view of a tightening mechanism in a transport robot according to an embodiment of the present utility model;

fig. 5 is a schematic diagram of a transport trailer in a transport robot according to an embodiment of the present utility model;

fig. 6 is a schematic diagram of a spray trailer in a transport robot according to an embodiment of the present utility model;

fig. 7 is a schematic diagram of a transport robot and a fork arm unit locked together according to an embodiment of the present utility model.

Reference numerals illustrate:

100-robot;

110-a rack assembly;

111-a main body frame;

112-suspension;

1121-a hinge shaft;

1122-connecting rod;

1123—reinforcing bars;

113-a shock absorber;

114-hinge base;

120-a first travel unit;

121-a first travelling wheel;

122-rudder mount;

123-mounting rack;

124-drive motor;

125-steering mechanism;

130-a second travelling wheel;

140-a connection assembly;

141-a lifting unit;

1411-body;

1412-lead screw;

1413-moving rack;

1414-manual carousel;

142-locking units;

1421-mounting plate;

1422-lock;

1423-turning the handle;

143-a tightening mechanism;

1431—a mount;

1432—a tightening member;

14321-a tightening part;

1433—a pull;

14331-through holes;

150-transporting a trailer;

160-spraying trailer;

161-spraying unit;

162-roller;

170-a yoke unit;

171-connecting plates;

172-forks;

y-a first direction;

x-second direction.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present utility model and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.

Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present utility model will be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, the terms "mounted," "configured," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, the terms "first," "second," and the like, are used primarily to distinguish between different devices, elements, or components (the particular species and configurations may be the same or different), and are not used to indicate or imply the relative importance and number of devices, elements, or components indicated. Unless otherwise indicated, the meaning of "a plurality" is two or more.

At present, a large crane or a gantry crane is generally adopted for hoisting and transporting the container, when the container is used, the large crane or the gantry crane is required to be hoisted to an operation site and arranged at the rear of a proper position to start hoisting operation, so that a certain space is reserved around the container for arranging the crane or the gantry crane, however, in actual operation, the space where the container is arranged may be narrow, and the large crane or the gantry crane may not be arranged; in addition, if the operation is required to be performed in some remote places, the large crane or gantry is not only inconvenient to hoist to the operation site, but also causes a sharp increase in cost.

Based on the above problems, the present inventors have devised a device for conveniently transporting containers in a narrow space and in a remote area at a relatively low cost, and in view of the above, the present utility model particularly provides a transport robot comprising a frame assembly, a first traveling unit, a second traveling unit, and a connection assembly; the rack assembly comprises a main body rack and a suspension unit; the first traveling unit comprises a first traveling wheel; the second travelling wheel second travelling unit comprises two second travelling wheels; the suspension unit comprises a suspension and a shock absorber, wherein two ends of the suspension are respectively hinged with the main body frame and the first travelling unit, and two ends of the shock absorber are respectively hinged with the main body frame and the suspension, or two ends of the shock absorber are respectively hinged with the first travelling unit and the suspension; the connecting assembly comprises a lifting unit and a locking unit, wherein the lifting unit is arranged on the main body frame, and the locking unit is arranged at the lifting end of the lifting unit. When the container is required to be transported in a space with a relatively small space, a plurality of transport robots provided by the utility model can be placed on four corners of the bottom of the container to be transported, each transport robot is locked with the container through the locking unit, the first travelling wheel of the robot can rotate by the power provided by the robot, so that the container is moved, the lifting unit can lift the locking unit and the container locked with the locking unit to a certain height, the transportation of the container is facilitated, and the suspension and the shock absorber which are arranged in a hinged manner can improve the shock absorption and buffering effect of the robot, so that the container transportation process is more stable.

Fig. 1 is a schematic structural diagram of a transport robot according to an embodiment of the present utility model; FIG. 2 is a top view of FIG. 1; fig. 3 is a schematic view of a locking unit in a transport robot according to an embodiment of the present utility model; fig. 4 is a schematic view of a tightening mechanism in a transport robot according to an embodiment of the present utility model; fig. 5 is a schematic diagram of a transport trailer in a transport robot according to an embodiment of the present utility model; fig. 6 is a schematic diagram of a spray trailer in a transport robot according to an embodiment of the present utility model; fig. 7 is a schematic diagram of a transport robot and a fork arm unit locked together according to an embodiment of the present utility model. Referring to fig. 1 to 7, an embodiment of the present utility model provides a transport robot 100 including a frame assembly 110, a first traveling unit 120, a second traveling unit, and a connection assembly 140; the rack assembly 110 includes a main body frame 111 and a suspension 112 unit, the main body frame 111 extending in a vertical direction; the first traveling unit 120 comprises a first traveling wheel 121, and the second traveling unit comprises two second traveling wheels 130, and the two second traveling wheels 130 are connected to the bottom end of the main body frame 111; the suspension 112 unit includes a suspension 112 and a shock absorber 113, both ends of the suspension 112 are respectively hinged with the main body frame 111 and the first traveling unit 120, both ends of the shock absorber 113 are respectively hinged with the main body frame 111 and the suspension 112, or both ends of the shock absorber 113 are respectively hinged with the first traveling unit 120 and the suspension 112; the connection assembly 140 includes a lifting unit 141 and a locking unit 142, the lifting unit 141 is disposed on the main body frame 111, the locking unit 142 is disposed at a lifting end of the lifting unit 141 to drive the locking unit 142 to perform a lifting motion in a vertical direction by the lifting unit 141, and the locking unit 142 is configured to lock the robot 100 with the target object.

It should be noted that, the two second travelling wheels 130 may be movably connected with the main body frame 111, when the robot 100 transports a container, the second travelling wheels 130 may be retracted, and when the robot 100 walks alone, the second travelling wheels 130 may be lowered to ensure the stability of the robot 100 during walking.

The object may be a container, in actual operation, when the container needs to be transported in a space with a relatively small space, the transport robot 100 provided by the embodiments of the present utility model may be disposed at four corners of the bottom of the container to be transported, and then each transport robot 100 is locked with the container by the locking unit 142, the first travelling wheel 121 of the robot 100 may rotate by using the power provided by itself, so as to move the container, the lifting unit 141 may lift the locking unit 142 and the container locked with the locking unit 142 to a certain height, so as to facilitate transportation of the container, and the suspension 112 and the shock absorber 113 provided by the hinge connection may improve the shock absorption and buffering effects of the robot 100, so that the container transportation process is more stable.

As shown in fig. 1, in the above embodiment, the suspensions 112 may have two, two suspensions 112 are disposed at intervals in the vertical direction, and two suspensions 112 are hinged at a middle position of the main body frame 111. Wherein, the structure of providing the upper and lower suspensions 112 can increase the stability and strength of the connection between the body frame 111 and the first traveling unit 120.

In the above embodiment, the suspension 112 unit may include a plurality of hinge seats 114, the plurality of hinge seats 114 are disposed on the main body frame 111 and the first traveling unit 120, the plurality of hinge seats 114 are disposed in pairs along the first direction Y, the hinge seats 114 have hinge through holes 14331 extending along the second direction X, both ends of the suspension 112 include hinge shafts 1121 extending along the second direction X, and the hinge shafts 1121 are penetrated in the hinge through holes 14331. Wherein, by means of the hinge connection of the hinge hole and the hinge shaft 1121, it is possible to ensure that the body frame 111 and the first traveling unit 120 are relatively rotated only in a vertical plane, but not in other directions, thereby ensuring the stability of the structure when the whole robot 100 is operated.

As shown in fig. 1, in the above embodiment, the suspension 112 may further include two connection rods 1122 and a reinforcement rod 1123, the two connection rods 1122 being connected between the two hinge shafts 1121 at both ends of the suspension 112 at intervals, the reinforcement rod 1123 being connected between the two connection rods 1122, the reinforcement rod 1123 extending in the second direction X. The structure of the suspension 112 composed of the two connecting rods 1122 and the reinforcing rods can improve the structural strength and stability of the suspension 112, so that the suspension 112 keeps the stability of the structure during rotation.

In the above embodiment, the damper 113 may include a damper spring, both ends of which are hinged to the main body frame 111 and the suspension 112, respectively. In particular, there may be two damper springs, arranged side by side as shown in fig. 2.

In the above embodiment, the lifting unit 141 may include a screw lifter, where the screw lifter includes a body 1411, a screw 1412 and a moving frame 1413, the body 1411 is fixed on a side of the main body frame 111 facing away from the first moving unit 120, the screw 1412 is penetrated in the body 1411, the screw 1412 is configured to move up and down in a vertical direction, and a bottom of the screw 1412 is fixedly connected with the moving frame 1413 so as to drive the moving frame 1413 to move up and down in the vertical direction through the screw 1412, and the locking unit 142 is disposed at a bottom end of the moving frame 1413.

In the above embodiment, the screw rod lifter may further include a manual turntable 1414, a worm and a worm wheel, where the manual turntable 1414 is fixedly connected to one end of the worm, the worm extends along the second direction X, the worm is meshed with the worm wheel, the worm and the worm wheel are all disposed in the body 1411 in a penetrating manner, and the worm wheel is in transmission connection with the screw rod 1412, so that the screw rod 1412 is driven to move up and down along the vertical direction by the rotation of the manual turntable 1414. It will be appreciated that, specifically, when the manual turntable 1414 is rotated, the worm is driven to rotate together, the worm drives the worm wheel to rotate, the worm wheel drives the screw 1412 to move up and down, and the screw 1412 drives the moving frame 1413 at the lower end and the locking unit 142 on the moving frame 1413 to move up and down together.

In the above embodiment, the locking unit 142 may include a mounting plate 1421, a locking head 1422, and a rotating handle 1423, the mounting plate 1421 is disposed at the bottom end of the moving frame 1413, the rotating handle 1423 is rotatably disposed in the mounting plate 1421 along the first direction Y, the end of the rotating handle 1423 passing through the mounting plate 1421 is connected to the locking head 1422, and the locking head 1422 is configured to be locked with the container. It should be noted that, a clamping groove matched with the lock head 1422 in shape is generally reserved on the container, when the locking device is implemented, the lock head 1422 can be rotated to a position consistent with the clamping groove by rotating the rotating handle 1423, then the lock head 1422 is pushed into the clamping groove, and after the rotating handle 1423 is rotated for 90 degrees again, the lock head 1422 can be clamped into the clamping groove, so that the locking process of the robot 100 and the container is completed.

In the above embodiment, the connection assembly 140 may further include a tightening mechanism 143, where the tightening mechanism 143 includes a fixing member 1431, a tightening member 1432 and a pulling member 1433, the fixing member 1431 is fixedly disposed on the moving frame 1413, a first end of the tightening member 1432 is rotatably connected with the fixing member 1431, a second end of the tightening member 1432 forms a hook-shaped tightening portion 14321, the tightening portion 14321 is used to tightly abut against the container, the first end of the tightening member 1432 is fixedly connected with the pulling member 1433, and the pulling member 1433 is used to assist the tightening member 1432 to rotate in a horizontal plane. Specifically, as shown in fig. 4, the pull member 1433 is generally provided with a through hole 14331, during operation, a special pull rod can be used to penetrate into the through hole 14331, then the abutting member 1432 is rotated outwards along a horizontal plane by pulling one end of the pull rod, and after the standby robot 100 abuts against a proper position of a container, the pull rod is released, so that the abutting portion 14321 on the abutting member 1432 abuts against the side wall of the container, and the transportation stability of the container is further ensured.

In the above embodiment, the first traveling unit 120 may further include a rudder mount 122, a mounting frame 123, a driving motor 124, and a steering mechanism 125, where the suspension 112 is hinged to the rudder mount 122, the first traveling wheel 121 is rotatably mounted on the mounting frame 123, the driving motor 124 is disposed on the first traveling wheel 121, the driving motor 124 is used to drive the first traveling wheel 121 to rotate, and the steering mechanism 125 is disposed between the rudder mount 122 and the mounting frame 123 to control steering of the first traveling wheel 121 through the steering mechanism 125.

As shown in fig. 5, the above embodiment may further include a transport trailer 150, where the transport trailer 150 includes a frame and wheels, the wheels being rollably connected to a bottom of the frame, the frame being configured to carry the transported cargo, and the frame being configured to be locked with the locking unit 142.

As shown in fig. 6, the embodiment may further include a spray trailer 160, where the spray trailer 160 includes a spraying unit 161 and a roller 162, the roller 162 is rotatably disposed at the bottom of the spraying unit 161, the spraying unit 161 is used for spraying the liquid outward after atomizing, and the spray trailer 160 is configured to be locked with the locking unit 142.

As shown in fig. 7, the fork arm unit 170 may further include a connection plate 171 and at least two forks 172 disposed at intervals, the connection plate 171 and the locking unit 142 are locked together, one end of the fork 172 is fixed on the connection plate 171, and the fork 172 is used for loading and unloading goods.

The transport robot 100 provided by the embodiment of the utility model comprises a frame assembly 110, a first walking unit 120, a second walking unit and a connecting assembly 140; the rack assembly 110 includes a main body frame 111 and a suspension 112 unit, the main body frame 111 extending in a vertical direction; the first traveling unit 120 comprises a first traveling wheel 121, and the second traveling unit comprises two second traveling wheels 130, and the two second traveling wheels 130 are connected to the bottom end of the main body frame 111; the suspension 112 unit includes a suspension 112 and a shock absorber 113, both ends of the suspension 112 are respectively hinged with the main body frame 111 and the first traveling unit 120, both ends of the shock absorber 113 are respectively hinged with the main body frame 111 and the suspension 112, or both ends of the shock absorber 113 are respectively hinged with the first traveling unit 120 and the suspension 112; the connection assembly 140 includes a lifting unit 141 and a locking unit 142, the lifting unit 141 is disposed on the main body frame 111, the locking unit 142 is disposed at a lifting end of the lifting unit 141 to drive the locking unit 142 to perform a lifting motion in a vertical direction by the lifting unit 141, and the locking unit 142 is configured to lock the robot 100 with the target object. When the container is transported in a space with a relatively small space, a plurality of transport robots 100 provided by the embodiment of the utility model can be placed on four corners of the bottom of the container to be transported, each transport robot 100 is locked with the container through the locking unit 142, the first travelling wheel 121 of the robot 100 can rotate by the power provided by the robot, so that the container is moved, the lifting unit 141 can lift the locking unit 142 and the container locked with the locking unit 142 to a certain height, the transportation of the container is facilitated, the suspension 112 and the shock absorber 113 which are arranged in a hinged manner can improve the shock absorption and buffering effect of the robot 100, the container transportation process is more stable, and it can be seen that the transport robot 100 provided by the embodiment of the utility model has smaller volume, is very suitable for being used in places with limited space or places where large-sized lifting appliances are inconvenient to reach due to the smaller occupied space when the container is transported, and the container is time-saving and labor-saving and low in cost.

Finally, it should be noted that: the above embodiments are merely for illustrating the technical solution of the present utility model, and are not limiting thereof; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (12)

1. The transport robot is characterized by comprising a frame assembly, a first walking unit, a second walking unit and a connecting assembly;

the frame assembly comprises a main body frame and a suspension unit, wherein the main body frame extends along the vertical direction;

the first traveling unit comprises a first traveling wheel; the second walking unit comprises two second walking wheels, and the two second walking wheels are connected to the bottom end of the main body frame;

the suspension unit comprises a suspension and a shock absorber, wherein two ends of the suspension are hinged with the main body frame and the first travelling unit, and two ends of the shock absorber are respectively hinged with the main body frame and the suspension, or two ends of the shock absorber are respectively hinged with the first travelling unit and the suspension;

the connecting assembly comprises a lifting unit and a locking unit, the lifting unit is arranged on the main body frame, the locking unit is arranged at the lifting end of the lifting unit, the locking unit is driven by the lifting unit to do lifting motion along the vertical direction, and the locking unit is configured to lock the robot and the target object together.

2. The transport robot of claim 1, wherein the suspension has two, the two suspensions being spaced apart in a vertical direction.

3. The transporting robot of claim 2, wherein the suspension unit includes a plurality of hinge seats provided on the main body frame and the first traveling unit, the plurality of hinge seats being provided in pairs in a first direction, the hinge seats having hinge through holes extending in a second direction thereon, both ends of the suspension including hinge shafts extending in the second direction, the hinge shafts being penetrated in the hinge through holes.

4. A transportation robot according to claim 3, wherein the suspension further comprises at least two connecting rods connected between two hinge shafts at both ends of the suspension at intervals, and a reinforcing rod connected between the connecting rods, the reinforcing rod extending in the second direction.

5. The transport robot according to claim 3 or 4, wherein the lifting unit comprises a screw lifter, the screw lifter comprises a body, a screw and a moving frame, the body is fixed on one side of the main body frame, which is far away from the first moving unit, the screw is penetrated in the body, the screw is configured to move up and down along a vertical direction, the bottom of the screw is fixedly connected with the moving frame, the moving frame is driven to move up and down along the vertical direction by the screw, and the locking unit is arranged at the bottom end of the moving frame.

6. The transport robot of claim 5, wherein the screw elevator further comprises a manual turntable, a worm and a worm wheel, the manual turntable is fixedly connected to one end of the worm, the worm extends along the second direction, the worm is meshed with the worm wheel, the worm and the worm wheel are all penetrated in the machine body, and the worm wheel is in transmission connection with the screw so as to drive the screw to move up and down along the vertical direction through rotation of the manual turntable.

7. The transport robot of claim 6, wherein the locking unit includes a mounting plate provided at a bottom end of the moving frame, a locking head, and a rotating handle rotatably penetrating the mounting plate in the first direction, an end of the rotating handle penetrating the mounting plate being connected to the locking head, the locking head being configured to be locked with the target object.

8. The transport robot of claim 7, wherein the connection assembly further comprises a tightening mechanism, the tightening mechanism comprises a fixing member, a tightening member and a pulling member, the fixing member is fixedly arranged on the moving frame, a first end of the tightening member is rotatably connected with the fixing member, a hook-shaped tightening portion is formed at a second end of the tightening member, the tightening portion is used for tightening the target object, the pulling member is fixedly connected to the first end of the tightening member, and the pulling member is used for assisting the tightening member to rotate in a horizontal plane.

9. The transport robot of any one of claims 1-4, wherein the first travel unit further comprises a rudder mount, a mounting bracket, a drive motor, and a steering mechanism, the suspension is hinged with the rudder mount, the first travel wheel is rotatably mounted on the mounting bracket, the drive motor is disposed on the first travel wheel, the drive motor is used to drive the first travel wheel to rotate, and the steering mechanism is disposed between the rudder mount and the mounting bracket to control steering of the first travel wheel by the steering mechanism.

10. The transport robot of any of claims 1-4, further comprising a transport trailer comprising a frame and wheels, the wheels being rollably connected to the frame bottom, the frame being for loading transport cargo, the frame being configured to be locked together with the locking unit.

11. The transport robot of any of claims 1-4, further comprising a spray trailer comprising a spray unit and a roller rotatably disposed at a bottom of the spray unit, the spray unit configured to spray the liquid outwardly after atomizing, the spray trailer configured to be locked with the locking unit.

12. The transport robot of any one of claims 1-4, further comprising a fork arm unit, wherein the fork arm unit comprises a connecting plate and at least two forks arranged at intervals, the connecting plate is locked with the locking unit, one end of each fork is fixed on the connecting plate, and the fork is used for loading and unloading transported goods.