CN211001467U

CN211001467U - Nursery stock transport vechicle

Info

Publication number: CN211001467U
Application number: CN201921692879.5U
Authority: CN
Inventors: 靳梦雪; 杨勇; 王寒雨
Original assignee: Tianjin Yuancheng Landscape Construction Development Co ltd
Current assignee: Tianjin Yuancheng Landscape Construction Development Co ltd
Priority date: 2019-10-10
Filing date: 2019-10-10
Publication date: 2020-07-14
Anticipated expiration: 2029-10-10

Abstract

The utility model discloses a nursery stock transport vechicle belongs to afforestation technical field, and its technical scheme main points are including the automobile body, the wheel with transplant the hole, the automobile body level sets up, the wheel connection is in the automobile body bottom surface, transplant the hole and set up at the automobile body top surface, be provided with the centre gripping subassembly on the automobile body, the centre gripping subassembly includes support piece, centre gripping connecting rod, centre gripping torsional spring and gripper jaw, the vertical setting of support piece, its bottom is connected with the automobile body, centre gripping connecting rod level sets up, and its length direction's one end is connected with support piece, and centre gripping connecting rod length direction's the other end is articulated with the gripper jaw, and the centre gripping torsional spring sets up in the junction of gripper jaw and centre gripping connecting rod, and the free end and the gripper jaw fixed connection of centre gripping torsional spring.

Description

Nursery stock transport vechicle

Technical Field

The utility model relates to a afforestation equipment field, in particular to nursery stock transport vechicle.

Background

With the continuous advance of urbanization, environmental issues are drawing much attention, and therefore, urban greening work also becomes a very important part of municipal work. Arbor is used as a common tree species for northern urban greening, the seed germination and seedling growth stages are carried out in a nursery, and arbor plants planted in the nursery are generally called nursery stocks which need to be transplanted when the nursery stocks are about to enter a mature stage. In the transplanting process, if the root system, the trunk or the crown of the nursery stock is accidentally damaged, the survival rate of the nursery stock can be influenced. Therefore, how to reduce the accidental injury to the seedlings in the transportation process of the seedlings becomes a great concern for related enterprises.

The existing nursery stock transport cart comprises a cart body and universal wheels, wherein the cart body is of a rectangular plate structure and is horizontally arranged, the universal wheels are connected to the bottom of the cart body, the handles are fixedly connected with the cart body, a transplanting pit is formed in the top surface of the cart body, and a cushion layer is laid in the transplanting pit. When the nursery stock is transplanted, the nursery stock is vertically placed on the top surface of the vehicle body, the root of the nursery stock and the soil lump attached to the root are located in the transplanting pit, the cushion layer in the transplanting pit can protect the root of the nursery stock when bumping, the bumping damage to the nursery stock during transplanting is reduced, and the survival rate of nursery stock transplanting is improved. But the design of the seedling transport vehicle still has the following defects:

the depth of the transplanting pit is shallow due to the limitation of the thickness of the vehicle body, the quality of the tree crown of the nursery stock is large, the gravity center of the nursery stock is located on the trunk, the transplanting pit can only provide supporting force for the root of the nursery stock and cannot provide supporting force for the trunk, the nursery stock is likely to topple in the transportation process, the tree crown or the trunk of the nursery stock is damaged, and the survival rate of nursery stock transplanting is affected.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a nursery stock transport vechicle reaches the trunk position of protection nursery stock, improves nursery stock survival rate's effect.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a nursery stock transport vechicle, includes the automobile body, and the wheel is with transplanting the hole, and the automobile body level sets up, and the wheel is connected in the automobile body bottom surface, transplants the hole and sets up at the automobile body top surface, be provided with the centre gripping subassembly on the automobile body, the centre gripping subassembly includes support piece, centre gripping connecting rod, centre gripping torsional spring and gripper jaw, and the vertical setting of support piece, its bottom is connected with the automobile body, and centre gripping connecting rod level sets up, and its length direction's one end is connected with support piece, and centre gripping connecting rod length direction's the other end is articulated with the gripper jaw, and the centre gripping torsional spring sets up in the junction of.

Through adopting above-mentioned technical scheme, with the vertical placing of sapling at automobile body top surface, and make the root of nursery stock and soil heap be located the transplantation hole, adjust the position of gripper jaw afterwards, and open the gripper jaw, make the trunk of nursery stock can be surrounded by the gripper jaw, the gripper jaw is kept away from the free end of centre gripping connecting rod and can butt again under the effect of centre gripping torsional spring together, thereby make the trunk position of nursery stock tightly by the gripper jaw, make the trunk keep vertical on the way of transportation always, thereby avoid the trunk to empty the trunk that causes, the crown damage, thereby improve the survival rate of nursery stock.

The utility model discloses further set up as, the gripper jaw comprises two holding pieces, and the free end butt of keeping away from the centre gripping connecting rod on two holding pieces is in the same place, fixedly connected with blotter on two sides that the holding piece is close to each other, and the blotter is made by flexible material.

Through adopting above-mentioned technical scheme, the setting of blotter can contact with the trunk through the blotter when gripper jaw centre gripping trunk position, if meet jolting in the transportation, the blotter can play the guard action to the trunk part of nursery stock, avoids the gripper jaw to cause the harm to the trunk part of nursery stock to improve the survival rate of nursery stock.

The utility model is further set up in that the supporting piece is a lead screw, the bottom end of the lead screw is rotationally connected with the vehicle body, an adjusting component is arranged on the lead screw, the adjusting component comprises an adjusting block, a first adjusting gear, a second adjusting gear and a driving piece, the adjusting block is sleeved on the lead screw, the adjusting block is in threaded connection with the lead screw, the adjusting block is fixedly connected with the clamping connecting rod, the first adjusting gear is superposed with the axis of the adjusting lead screw, and the first adjusting gear is fixedly connected with the lead screw; the second adjusting gear is meshed with the first adjusting gear, and the driving piece is connected with the vehicle body and drives the second adjusting gear to rotate.

By adopting the technical scheme, the screw rod is matched with the adjusting block, the screw rod rotates to drive the adjusting block to move along the axis direction of the screw rod, so that the height positions of the adjusting block and the clamping assembly connected with the adjusting block can be adjusted; the first adjusting gear, the second adjusting gear and the driving piece are matched for use, the driving piece drives the second adjusting gear to rotate, the second adjusting gear drives the first adjusting gear meshed with the second adjusting gear to rotate, the first adjusting gear is fixedly connected with the lead screw, so that the lead screw and the first adjusting gear rotate together, the lead screw rotates to change the height position of the adjusting block, and the height position of the clamping assembly is changed; the setting of adjusting part can realize the regulation to the centre gripping subassembly position to make this nursery stock transport vechicle can be used for transporting not co-altitude nursery stock, increase this nursery stock transport vechicle's application scope.

The utility model discloses further set up to, the regulating block is connected with a plurality of centre gripping connecting rod, and the vertical projection of every gripper jaw all falls on the top surface of automobile body, and the gripper jaw uses with the transplantation hole cooperation that is located automobile body top surface.

Through adopting above-mentioned technical scheme, multiunit centre gripping subassembly uses with a plurality of transplanting hole cooperations for this nursery stock transport vechicle can move and plant many nursery stocks in a transportation, improves the utilization ratio to automobile body top surface space, thereby promotes the conveying efficiency of this nursery stock transport vechicle.

The utility model discloses further set up to, second adjusting gear is bevel gear with first adjusting gear, and the axis of second adjusting gear is perpendicular with first adjusting gear's axis, is provided with supporting component on the second adjusting gear, and supporting component includes backup pad and back shaft, the vertical setting of backup pad, and with automobile body fixed connection, the back shaft level sets up, the back shaft passes backup pad and second adjusting gear, the back shaft rotates with the backup pad to be connected, back shaft and first adjusting gear fixed connection, the one end and the driving piece fixed connection of first adjusting gear are kept away from to the back shaft.

By adopting the technical scheme, the first adjusting gear and the second adjusting gear are both bevel gears, and the rotation of the second adjusting gear in a vertical plane can be converted into the rotation of the first adjusting gear in a horizontal plane, so that the screw rod is driven to rotate; the backup pad is used with the back shaft cooperation, can adjust the vertical setting of gear with the second to improve the space utilization of automobile body top surface, make the structure of this nursery stock transport vechicle compacter.

This practicality further sets up as, the one end that the backup pad was kept away from to the back shaft is provided with the bracing piece, and the bracing piece slope sets up, and the one end and the back shaft of bracing piece rotate to be connected, the other end and automobile body fixed connection.

Through adopting above-mentioned technical scheme, the setting of bracing piece for the back shaft can remain the level throughout, makes second adjusting gear mesh with first adjusting gear all the time, prevents when the transportation nursery stock, and second adjusting gear takes place to break away from with first adjusting gear.

The utility model further sets up as, the driving piece is for adjusting the crank, adjusts the crank and is L types, adjusts articulate one end and is connected with the back shaft.

Through adopting above-mentioned technical scheme, L type adjustment crank's setting for one section that adjustment crank and back shaft link to each other is at vertical plane rotation, can drive the back shaft and rotate, and the workman of transportation nursery stock can hold one section that adjustment crank does not link to each other with the back shaft, and makes one section that adjustment crank does not link to each other with the back shaft rotate around the back shaft axis and drive the back shaft rotatory, because the distance between back shaft axis and the workman's the department of holding is greater than the radius of back shaft, thereby practices thrift the required power of workman rotation back shaft.

The utility model discloses further set up to, be provided with coupling assembling on the adjusting crank, coupling assembling includes mortise and tenon, and the mortise is seted up and is served with the fixed one of back shaft at adjusting crank, and the one end that back shaft and adjusting crank link to each other is connected to the tenon, and the tenon uses with the mortise cooperation.

By adopting the technical scheme, the mortises of the adjusting cranks are matched with the tenons of the supporting shafts, so that the sliding connection of the adjusting cranks in the axial direction of the supporting shafts and the relative fixed connection of the adjusting cranks in the circumferential direction of the supporting shafts can be realized; when the height position of the adjusting block needs to be changed, the mortises of the adjusting crank correspond to the tenons on the rotating shaft and are connected together in a clamping and embedding manner, and the adjusting crank is rotated at the moment, so that the supporting shaft can rotate along with the rotation of the adjusting crank; after the adjusting block is adjusted to a proper height position, the adjusting crank can slide along the axial direction of the supporting shaft, and the adjusting crank is taken down from the supporting shaft, so that the adjusting crank is prevented from colliding with the legs of workers in the transportation process.

The utility model discloses further set up to, be provided with spacing subassembly on the centre gripping connecting rod, spacing subassembly includes spacing hole and gag lever post, and spacing hole is seted up on the centre gripping connecting rod, and the gag lever post passes spacing hole along vertical direction, and the gag lever post slides with spacing hole and is connected, the bottom and the automobile body fixed connection of gag lever post.

Through adopting above-mentioned technical scheme, spacing hole and gag lever post cooperation are used, can make regulating block and supporting component not rotate along with the lead screw when the lead screw rotates, and just can only move along the axis direction of lead screw, provide convenience for adjusting regulating block and supporting component's height.

To sum up, the utility model discloses following beneficial effect has:

1. the clamping claws are matched with the clamping torsion springs for use, so that the clamping of the nursery stock can be realized, the nursery stock can be kept vertical in the transportation process, and the reduction of the survival rate of nursery stock transplantation caused by the dumping of the nursery stock is avoided;

2. the arrangement of the cushion pad can prevent the trunk of the nursery stock from being damaged by the clamping claws, thereby improving the survival rate of the nursery stock;

3. the adjusting component is matched with the clamping component for use, so that the seedling transport vehicle can transport different seedlings in height, and the application range of the seedling transport vehicle is enlarged.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of the hidden support plate of the present invention;

fig. 3 is a partially enlarged view of a portion a in fig. 2.

Reference numerals: 1. a vehicle body; 11. a wheel; 12. transplanting pits; 13. dragging the handle; 2. a clamping assembly; 21. a lead screw; 22. clamping the connecting rod; 23. clamping a torsion spring; 24. a gripper jaw; 241 a cushion pad; 3. an adjustment assembly; 31. an adjusting block; 32. a first adjusting gear; 33. a second adjusting gear; 34. adjusting a crank; 4. a support assembly; 41. a support plate; 42. a support shaft; 43. a support bar; 5. a connecting assembly; 51. mortises; 52. a tenon; 6. a limiting component; 61. a limiting hole; 62. a limiting rod.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

A nursery stock transport vehicle, refer to fig. 1 and 2, comprises a vehicle body 1, wheels 11 and transplanting pits 12, wherein the wheels 11 are connected with the bottom surface of the vehicle body 1, and the transplanting pits 12 are arranged on the top surface of the vehicle body 1; the vehicle body 1 is also provided with a clamping assembly 2 and an adjusting assembly 3.

When using this nursery stock transport vechicle transportation nursery stock, with the vertical setting of nursery stock at 1 top surface of automobile body to make the root of nursery stock and the soil of root stick together be located and transplant hole 12, adjust the height of centre gripping subassembly 2 through adjusting part 3, make centre gripping subassembly 2 can the centre gripping in the highest point of nursery stock trunk portion, thereby make the nursery stock can not empty in the transportation, thereby improve the survival rate that the nursery stock was transplanted.

Referring to fig. 1, the clamping assembly 2 comprises a supporting member, a clamping connecting rod 22, a clamping torsion spring 23 and a clamping claw 24, the supporting member is a lead screw 21, the lead screw 21 is vertically arranged, and the bottom end of the lead screw 21 is rotatably connected with the vehicle body 1; the clamping connecting rod 22 is a rod-shaped structure which is horizontally arranged, one end of the clamping connecting rod 22 is connected with the screw rod 21, and the other end of the clamping connecting rod 22 is hinged with the clamping claw 24; referring to fig. 3, the clamping torsion spring 23 is disposed at the hinge joint of the clamping jaw 24 and the clamping link 22, the clamping jaw 24 is composed of two bent clamping pieces, the free ends of the clamping pieces far away from the clamping link 22 are abutted together to form a hollow cavity with a diamond-shaped cross section, two sides of the clamping pieces close to each other are fixedly connected with a cushion 241, and the cushion 241 is made of a flexible material; three clamping connecting rods 22 and three transplanting pits 12 are arranged, and the vertical projections of the three clamping claws 24 fall at the central positions of the three transplanting pits 12 respectively.

The clamping claws 24 are matched with the clamping torsion springs 23 for use, so that the trunk part of the nursery stock can be clamped by the clamping claws 24, and the nursery stock is prevented from falling in the transportation process; when the nursery stock is transported to bump, the cushion 241 can prevent the surface of the trunk from being damaged by the clamping claws 24, so that the survival rate of the nursery stock transplantation is improved.

Referring to fig. 2, the adjusting assembly 3 includes an adjusting block 31, a first adjusting gear 32, a second adjusting gear 33 and a driving member, the adjusting block 31 is in a cube shape and is horizontally arranged, three of four vertical side surfaces of the adjusting block 31 are respectively connected with three clamping connecting rods 22, and the adjusting block 31 is sleeved on the lead screw 21 and is in threaded connection with the lead screw 21; the first adjusting gear 32 is a bevel gear, and the axis of the first adjusting gear 32 is overlapped with the axis of the lead screw 21 and is fixedly connected with the lead screw 21; the second adjusting gear 33 is also a bevel gear, and the second adjusting gear 33 is meshed with the first adjusting gear 32.

Referring to fig. 1, the second adjusting gear 33 is provided with a support assembly 4, and the support assembly 4 includes a support plate 41, a support shaft 42 and a support rod 43; the supporting plate 41 is of a rectangular plate-shaped structure and is vertically arranged, and the bottom surface of the supporting plate 41 is fixedly connected with the top surface of the vehicle body 1; the supporting shaft 42 is horizontally arranged, the supporting shaft 42 penetrates through the supporting plate 41 and is rotatably connected with the supporting plate 41, and the supporting shaft 42 is overlapped with the axis of the second adjusting gear 33 and is fixedly connected with the second adjusting gear 33; the support rods 43 are in a rod-shaped structure, two support rods 43 are arranged, the two support rods 43 are symmetrical about the axis of the support shaft 42, the support rods 43 are obliquely arranged, one end of each support rod 43 is rotatably connected with the support shaft 42, and the other end of each support rod 43 is fixedly connected with the vehicle body 1.

During the use, back shaft 42 supports second adjusting crank 34 for second adjusting gear 33 and first adjusting gear 32 can mesh all the time, prevent in the transportation, appear breaking away from the phenomenon between second adjusting gear 33 and first adjusting gear 32, and bracing piece 43 plays the effect of further support to second adjusting gear 33 simultaneously, prevents effectively that back shaft 42 from rocking from top to bottom, and it is convenient to provide for staff's regulation.

Referring to fig. 2, the driving piece is an adjusting crank 34, the adjusting crank 34 is L-shaped, one end of the adjusting crank 34 in the vertical direction is connected with the supporting shaft 42, a connecting assembly 5 is arranged on one section of the adjusting crank 34 in the vertical direction, the connecting assembly 5 comprises a mortise 51 and a tenon 52, the mortise 51 is horizontally arranged at one end of the vertical section of the adjusting crank 34, the longitudinal section of the mortise 51 is hexagonal, the tenon 52 is connected to one end of the supporting shaft 42 close to the supporting plate 41, the longitudinal section of the tenon 52 is hexagonal, the mortise 51 is matched with the tenon 52 for use, and the adjusting crank 34 and the supporting shaft 42 are detachably and fixedly connected through the mortise 51 and the tenon 52.

The setting of the adjustment crank 34 enables the worker to manually adjust the height of the adjustment block 31 and the clamp assembly 2, and saves the worker the force required to rotate the support shaft 42; the mortise 51 is used in cooperation with the tenon 52 to remove the adjustment crank 34 from the support shaft 42, thereby preventing the horizontal section of the adjustment crank 34 from colliding with the legs of the worker during transportation.

Referring to fig. 1, a dragging handle 13 is arranged on the top surface of the supporting plate 41, the dragging handle 13 is a circular tube with a C-shaped axis, the dragging handle 13 is horizontally arranged, and two ends of the dragging handle 13 are vertically bent downwards and fixedly connected with the top surface of the supporting plate 41.

The arrangement of the dragging handle 13 provides a dragging force application point for the seedling transport vehicle, and provides convenience for dragging the seedling transport vehicle.

Referring to fig. 2, the support connecting rod is provided with a limiting assembly 6, the limiting assembly 6 comprises a limiting hole 61 and a limiting rod 62, the limiting hole 61 is vertically formed in the clamping connecting rod 22, the radius of the limiting hole 61 is smaller than that of the clamping connecting rod 22, and the distance between the axis of the limiting hole 61 and the axis of the lead screw 21 is larger than the radius of the addendum circle of the first adjusting gear 32; the stop lever 62 is vertically arranged and penetrates through the stop hole 61, the stop hole 61 is connected with the stop lever 62 in a sliding manner, and the bottom end of the stop lever 62 is fixedly connected with the top surface of the vehicle body 1.

The limiting hole 61 is used in cooperation with the limiting rod 62, and the clamping connecting rod 22 and the adjusting block 31 cannot rotate along with the rotation of the screw 21 and can only move in the vertical direction.

The utility model discloses a use as follows:

when the nursery stock transport vehicle is used for transporting nursery stocks, three nursery stocks to be transported can be vertically placed on the vehicle body 1, and the roots of the nursery stocks and soil heaps at the roots of the nursery stocks are positioned in the transplanting pits 12; the mortises 51 on the adjusting cranks 34 correspond to the tenons 52 on the supporting shafts 42, the mortises 51 are connected with the tenons 52 in a clamping and embedding manner, then the adjusting cranks 34 are rotated, the adjusting cranks 34 drive the second adjusting gears 33 to rotate, the second adjusting gears 33 drive the first adjusting gears 32 and the lead screws 21 to rotate, the lead screws 21 rotate to enable the adjusting blocks 31 and the clamping assemblies 2 fixedly connected with the adjusting blocks 31 to move upwards or downwards along the lead screws 21, the height of the adjusting blocks 31 is aligned with the top ends of the trunk parts of the seedlings, and then the adjusting cranks 34 are taken down from the supporting shafts 42; the clamping claw 24 is pulled forcefully, so that one end of the clamping claw 24, which is far away from the clamping connecting rod 22, is separated, the trunk part of the seedling is surrounded by the clamping claw 24, the force for pulling the clamping claw 24 is removed, the clamping claw 24 can be pressed against the trunk of the seedling again under the action of a plate spring, and the cushion 241 is pressed against the trunk of the seedling, so that the seedling is clamped; after all the three seedlings to be transported are clamped, the transport vehicle can be pulled to the seedling transplanting position through the pulling handle 13, the clamping claws 24 can enable the seedlings to be kept vertical in the moving process, if bumpy road sections are encountered in the moving process, the cushion 241 between the clamping claws 24 and the seedling trunk can prevent the trunk part of the seedlings from being damaged by the clamping claws 24, and therefore the survival rate of the seedlings after being transplanted is improved.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a nursery stock transport vechicle, includes automobile body (1), wheel (11) and transplants hole (12), and automobile body (1) level sets up, and wheel (11) are connected in automobile body (1) bottom surface, transplants hole (12) and sets up at automobile body (1) top surface, its characterized in that: be provided with centre gripping subassembly (2) on automobile body (1), centre gripping subassembly (2) are including support piece, centre gripping connecting rod (22), centre gripping torsional spring (23) and gripper jaw (24), the vertical setting of support piece, its bottom automobile body (1) is connected, centre gripping connecting rod (22) level sets up, and its length direction's one end is connected with support piece, centre gripping connecting rod (22) length direction's the other end is articulated with gripper jaw (24), centre gripping torsional spring (23) set up the junction at gripper jaw (24) and gripper jaw (22), and the free end and gripper jaw (24) fixed connection of centre gripping torsional spring (23).

2. The nursery stock transport vehicle of claim 1, wherein: the clamping jaw (24) is composed of two clamping pieces, free ends of the two clamping pieces, far away from the clamping connecting rod (22), are abutted together, the two sides, close to each other, of the clamping pieces are fixedly connected with cushion pads (241), and the cushion pads (241) are made of flexible materials.

3. The nursery stock transport vehicle of claim 1, wherein: the supporting piece is a lead screw (21), the bottom end of the lead screw (21) is rotatably connected with the vehicle body (1), an adjusting assembly (3) is arranged on the lead screw (21), the adjusting assembly (3) comprises an adjusting block (31), a first adjusting gear (32), a second adjusting gear (33) and a driving piece, the adjusting block (31) is sleeved on the lead screw (21), the adjusting block (31) is in threaded connection with the lead screw (21), the adjusting block (31) is fixedly connected with a clamping connecting rod (22), the first adjusting gear (32) is overlapped with the axis of the adjusting lead screw (21), and the first adjusting gear (32) is fixedly connected with the lead screw (21); the second adjusting gear (33) is meshed with the first adjusting gear (32), and the driving piece is connected with the vehicle body (1) and drives the second adjusting gear (33) to rotate.

4. The nursery stock transport vehicle of claim 3, wherein: the adjusting block (31) is connected with the plurality of clamping connecting rods (22), the vertical projection of each clamping claw (24) falls on the top surface of the vehicle body (1), and the clamping claws (24) are matched with transplanting pits (12) located on the top surface of the vehicle body (1) for use.

5. The nursery stock transport vehicle of claim 3, wherein: second adjusting gear (33) and first adjusting gear (32) are bevel gears, and the axis of second adjusting gear (33) is perpendicular with the axis of first adjusting gear (32), be provided with supporting component (4) on second adjusting gear (33), supporting component (4) are including backup pad (41) and back shaft (42), backup pad (41) vertical setting, and with automobile body (1) fixed connection, back shaft (42) level sets up, back shaft (42) pass backup pad (41) and second adjusting gear (33), back shaft (42) rotate with backup pad (41) and are connected, back shaft (42) and first adjusting gear (32) fixed connection, the one end and the driving piece fixed connection of first adjusting gear (32) are kept away from to back shaft (42).

6. The nursery stock transport vehicle of claim 5, wherein: one end of the supporting shaft (42) far away from the supporting plate (41) is provided with a supporting rod (43), the supporting rod (43) is obliquely arranged, one end of the supporting rod (43) is rotatably connected with the supporting shaft (42), and the other end of the supporting rod is fixedly connected with the vehicle body (1).

7. The nursery stock transport vehicle as claimed in claim 5, wherein the driving member is an adjusting crank (34), the adjusting crank (34) is L-shaped, and one end of the adjusting crank (34) is connected with the supporting shaft (42).

8. The nursery stock transport vehicle of claim 7, wherein: be provided with coupling assembling (5) on adjusting crank (34), coupling assembling (5) are including mortise (51) and tenon (52), and mortise (51) are seted up and are served in one that adjusting crank (34) and back shaft (42) are fixed, and the one end that back shaft (42) and adjusting crank (34) link to each other is connected in tenon (52), and mortise (51) and tenon (52) cooperation are used.

9. The nursery stock transport vehicle of claim 1, wherein: be provided with spacing subassembly (6) on centre gripping connecting rod (22), spacing subassembly (6) are including spacing hole (61) and gag lever post (62), and set up on centre gripping connecting rod (22) spacing hole (61), and gag lever post (62) pass spacing hole (61) along vertical direction, and gag lever post (62) and spacing hole (61) slide and be connected, the bottom and automobile body (1) fixed connection of gag lever post (62).