CN113498688A

CN113498688A - Roof greening device

Info

Publication number: CN113498688A
Application number: CN202110592962.0A
Authority: CN
Inventors: 张利飞; 甄敏; 王胜; 赵浪浪; 高艳军; 马祥; 曹保元; 史海波; 王博; 曹慧
Original assignee: SCEGC No 9 Construction Engineering Group Co Ltd
Current assignee: SCEGC No 9 Construction Engineering Group Co Ltd
Priority date: 2021-05-28
Filing date: 2021-05-28
Publication date: 2021-10-15
Anticipated expiration: 2041-05-28
Also published as: CN113498688B

Abstract

The invention discloses a roof greening device, which belongs to the technical field of roof greening and comprises a supporting bracket and a trimming device, wherein the supporting bracket is placed on a horizontal plane, the trimming device is arranged at the bottom of the supporting bracket, the trimming device comprises a synchronizing component, a trimming component and an adjusting component, the synchronizing component is fixedly arranged at the bottom of the supporting bracket, the trimming component is arranged on the synchronizing component, the adjusting component is arranged on the trimming component and is in sliding fit with the synchronizing component, the roof greening can be trimmed through the trimming device, the width of the synchronizing component during trimming can be adjusted according to the trimmed plants, the adjusting width of various plants can be planted in one area, the adjusting width can not be influenced by the plants touching the side during trimming, the trimming component can trim the plants to make the plants look more attractive, and the adjusting component can change the angle of the trimming component during trimming the plants, the pruning is enabled to generate radian, and the plants are enabled to look more beautiful.

Description

Roof greening device

Technical Field

The invention belongs to the technical field of roof greening, and particularly relates to a roof greening device.

Background

Roof greening increases urban green land area and improves the increasingly deteriorated human living environment space; the method improves the stand of urban high-rise buildings and the current situation of natural land and plants which are replaced by hard pavement of a plurality of roads; the damage to human beings caused by excessive cutting down of natural forests, urban heat island effect caused by pollution of various waste gases, sand storm and the like is improved; the method has the advantages of developing the greening space of human beings, building a rural city, improving the living conditions of people, improving the quality of life, beautifying the urban environment and improving the ecological effect.

However, the existing roof greening device has the following problems: the roof greening needs to maintain and repair greening on the roof and keep the greening attractive appearance of the roof in long-term use, but the plants are trimmed smoothly in the prior art in the aspect of attractiveness, the plants cannot be trimmed in the radian, and the plants which touch the side can be planted in one area when the plants are trimmed, so that the plants are influenced.

Disclosure of Invention

The invention aims to provide a roof greening device, which aims to solve the technical problems that in the prior art, roof greening needs to be maintained and repaired and the roof greening appearance needs to be kept beautiful in long-term use, but in the prior art, plants can not be trimmed in a radian due to smooth trimming, and various plants can be planted in a region and can touch the plants beside the region to influence the plants during trimming.

In order to solve the technical problems, the invention provides the following technical scheme: a roof greening device comprises a supporting bracket and a trimming device, wherein the supporting bracket is placed on a horizontal plane, the trimming device is arranged at the bottom of the supporting bracket, the trimming device comprises a synchronizing component, a trimming component and an adjusting component, the synchronizing component is fixedly installed at the bottom of the supporting bracket, the trimming component is installed on the synchronizing component, and the adjusting component is installed on the trimming component and is in sliding fit with the synchronizing component.

Further, the synchronizing assembly comprises a supporting seat, an electric pushing cylinder, a pushing plate, a synchronizing frame, two connecting plates and two supporting plates, the supporting seat is installed at the bottom of the supporting bracket, the electric pushing cylinder is installed at the top of the supporting seat, the pushing plate is installed at the telescopic end of the electric pushing cylinder and is in sliding fit with the supporting seat, a sliding groove and two sliding grooves are formed in the supporting seat, the supporting plate is installed at the bottom of the supporting seat and is in sliding fit with the supporting seat, the pushing plate is connected with one of the supporting plates, the synchronizing frame is rotatably arranged on the supporting seat and located at the middle position of the two supporting plates, the two connecting plates are fixedly installed at the two ends of the synchronizing frame, and the other ends of the connecting plates are respectively connected with the two supporting plates.

Furthermore, the trimming assemblies are two, the two trimming assemblies are identical in structure and are respectively arranged on the two supporting plates, each trimming assembly comprises a supporting frame, a rotating motor, a rotating block, a driving block and a trimming knife, the supporting frames are fixedly arranged at the bottoms of the supporting plates, the rotating motors are arranged at the tops of the supporting plates and are in rotating fit with the supporting frames, the rotating blocks are arranged on a main shaft of the rotating motors and are in transmission fit with the main shaft of the rotating motors, one end of each driving block is arranged on the corresponding rotating block and is in transmission fit with the corresponding rotating block, a moving groove is formed in each supporting frame, and the trimming knives are arranged at the other ends of the driving blocks and are in sliding fit with the moving grooves in the supporting frames.

Further, the adjusting part is equipped with two, two the adjusting part structure is the same and sets up respectively in two backup pads, two the adjusting part all includes adjusts seat, regulation electric jar, alignment jig, tensile frame and two removal framves, adjust the seat and install the bottom in the backup pad, be equipped with the draw-in groove in the backup pad, adjust seat and the last draw-in groove sliding fit of backup pad, adjust the articulated setting on adjusting the seat of electric jar, the alignment jig is installed and is served and articulated the setting with the alignment jig in the flexible of adjusting the electric jar, the both ends of tensile frame are articulated respectively to be set up on alignment jig and pruning sword, two the both ends of removing the frame are articulated respectively to be set up in pruning sword and backup pad.

Further, the support bracket comprises a pushing device and a lifting device, the pushing device is placed on a horizontal plane, and the lifting device is fixedly installed on the pushing device.

Furthermore, the pushing device comprises a pushing frame, a moving plate, four idler wheels and four wheel frames, the four wheel frames are arranged at the bottom of the moving plate in a rectangular mode, the four idler wheels and the four wheel frames are arranged in a one-to-one correspondence mode, and the pushing frame is arranged at the top of the moving plate.

Further, elevating gear includes lift seat, rotating electrical machines, rotary rod and two lift pieces, lift seat fixed mounting is on the lateral wall of propelling movement frame, rotating electrical machines installs on the lift seat, the rotary rod install on rotating electrical machines's main shaft and with rotating electrical machines spindle drive cooperation, two lift piece symmetry sets up on the lift seat and with lift seat normal running fit, two the lift piece all includes first bevel gear, second bevel gear, threaded rod and link, first bevel gear fixed mounting is on the rotary rod, the threaded rod set up on the lift seat and with lift seat normal running fit, second bevel gear fixed mounting on the threaded rod and with first bevel gear meshing, the link setting on the lift seat and with lift seat sliding fit, lift seat and threaded rod screw-thread fit.

Compared with the prior art, the invention has the beneficial effects that:

firstly, the roof greening can be trimmed through the trimming device, the width of the synchronizing assembly during trimming can be adjusted according to the trimmed plants, various plants can be planted in one area, the width of the plants can be adjusted during trimming, the plants on the side cannot be touched to influence the width of the plants, the trimming assembly can trim the plants, the plants are more attractive, the angle of the trimming assembly during trimming the plants can be changed through the adjusting assembly, radian is generated during trimming, and the plants are more attractive.

Secondly, when pruning subassembly prunes the operation to the plant, multiple plant can be planted in a slice region, drive the slurcam through promoting the electric cylinder and remove and make one of them backup pad remove on the supporting seat this moment, one of them backup pad removes and drives one of them connecting plate and remove, one of them connecting plate removes and drives the synchronizing rack and rotate and make another connecting plate remove, another connecting plate removes and drives another backup pad and remove and make pruning subassembly carry out the regulation on the width, it can not touch the plant of side when the same plant of pruning to make pruning subassembly exert an influence to it through synchronizing assembly.

Thirdly, when the plants are pruned, the motor is rotated to drive the rotating block to move the driving block, and the driving block moves to drive the pruning knife to move back and forth on the supporting frame to prune the plants, so that the roof greening looks more attractive.

Fourthly, when more protruding in order to make beautifully, can carry out the repairment of circular arc to the corner of plant, it removes to make tensile frame remove to drive the alignment jig through adjusting the electric cylinder this moment, tensile frame drives the one end of pruning sword and pulls and moves down, it is the arc to pull the pruning sword, the pruning sword removes two and removes the frame and also then removes, the plant is more pleasing to the eye when carrying out curved repairment to the plant at the in-process of carrying out the pruning through the change of pruning sword shape messenger pruning sword, the draw-in groove makes the in-process adjusting part of pruning can remove along with the draw-in groove and can not exert an influence to the angle production of scissors.

Fifthly, when plants with different heights are pruned, the rotating motor rotates to drive the rotating rod to enable the first bevel gear to rotate, the first bevel gear drives the second bevel gear to enable the threaded rod to rotate, the threaded rod rotates to drive the connecting frame to move up and down on the lifting seat, and the up and down movement of the connecting frame drives the supporting seat to move up and down to carry out the trimming of the plants with different heights.

Drawings

FIG. 1 is a first perspective view of the present invention;

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is a schematic perspective view of the trimming apparatus of the present invention;

FIG. 4 is a perspective view of the synchronizing assembly of the present invention;

FIG. 5 is a perspective view of the trimmer assembly of the present invention;

FIG. 6 is a perspective view of the adjustment assembly of the present invention;

fig. 7 is a schematic perspective view of the lifting device of the present invention.

The reference numbers in the figures are: the support bracket 1, the trimming device 2, the synchronizing assembly 21, the support base 211, the sliding slot 212, the pushing electric cylinder 213, the pushing plate 214, the synchronizing frame 215, the connecting plate 216, the support plate 217, the clamping slot 218, the trimming assembly 22, the support frame 221, the moving slot 222, the rotating motor 223, the rotating block 224, the driving block 225, the trimming blade 226, the adjusting assembly 23, the adjusting base 231, the adjusting electric cylinder 232, the adjusting frame 233, the stretching frame 234, the moving frame 235, the pushing device 3, the pushing frame 31, the moving plate 32, the roller 33, the wheel frame 34, the lifting device 4, the lifting base 41, the rotating motor 42, the rotating rod 43, the lifting piece 44, the first bevel gear 441, the second bevel gear 442, the threaded rod 443, and the connecting frame 444.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

As can be seen from fig. 1 to 7, the present invention provides a roof greening device, comprising a support bracket 1 and a trimming device 2, wherein the support bracket 1 is placed on a horizontal plane, the trimming device 2 is arranged at the bottom of the support bracket 1, the trimming device 2 comprises a synchronizing assembly 21, a trimming assembly 22 and an adjusting assembly 23, the synchronizing assembly 21 is fixedly arranged at the bottom of the support bracket 1, the trimming assembly 22 is arranged on the synchronizing assembly 21, and the adjusting assembly 23 is arranged on the trimming assembly 22 and is in sliding fit with the synchronizing assembly 21; according to the invention, roof greening can be built through the trimming device 2, the width of the trimming can be adjusted by the synchronizing component 21 according to the trimmed plants, various plants can be planted in a region, the width can be adjusted when the trimming is carried out, the plants on the side can not be touched, the trimming component 22 can trim the plants, so that the plants look more beautiful, the angle of the trimming component 22 when the plants are trimmed can be changed by the adjusting component 23, radian is generated during trimming, and the plants look more beautiful.

Preferably, as can be seen with reference to fig. 4, the synchronizing assembly 21 comprises a support base 211, an electric pushing cylinder 213, a pushing plate 214, a synchronizing frame 215, two connecting plates 216 and two support plates 217, the supporting base 211 is installed at the bottom of the supporting bracket 1, the push cylinder 213 is installed at the top of the supporting base 211, the pushing plate 214 is installed at the telescopic end of the pushing electric cylinder 213 and is in sliding fit with the supporting seat 211, the supporting seat 211 is provided with a sliding groove 212, the two supporting plates 217 are arranged at the bottom of the supporting seat 211 and are in sliding fit with the supporting seat 211, the pushing plate 214 is connected with one supporting plate 217, the synchronous frame 215 is rotatably arranged on the supporting seat 211 and is positioned in the middle of the two supporting plates 217, one end of each of the two connecting plates 216 is fixedly arranged at the two ends of the synchronous frame 215, and the other end of each of the two connecting plates 216 is respectively connected with the two supporting plates 217; when the trimming component 22 trims plants, a plurality of plants can be planted in one area, at the moment, the electric cylinder 213 is pushed to drive the pushing plate 214 to move so that one supporting plate 217 moves on the supporting seat 211, one supporting plate 217 moves to drive one connecting plate 216 to move, one connecting plate 216 moves to drive the synchronous frame 215 to rotate so that the other connecting plate 216 moves, the other connecting plate 216 moves to drive the other supporting plate 217 to move so that the trimming component 22 can adjust the width, and the trimming component 22 can not touch the plants on the side to influence the same trimmed plants through the synchronous component 21.

Preferably, as can be seen from fig. 5, two trimming assemblies 22 are provided, the two trimming assemblies 22 are identical in structure and are respectively disposed on two supporting plates 217, each trimming assembly 22 includes a supporting frame 221, a rotating motor 223, a rotating block 224, a driving block 225 and a trimming blade 226, the supporting frame 221 is fixedly mounted at the bottom of the supporting plate 217, the rotating motor 223 is mounted at the top of the supporting plate 217 and is in rotating fit with the supporting frame 221, the rotating block 224 is mounted on a spindle of the rotating motor 223 and is in transmission fit with the spindle of the rotating motor 223, one end of the driving block 225 is mounted on the rotating block 224 and is in transmission fit with the rotating block 224, a moving slot 222 is provided on the supporting frame 221, and the trimming blade 226 is mounted at the other end of the driving block 225 and is in sliding fit with the moving slot 222 on the supporting frame 221; when the plants are pruned, the rotating motor 223 drives the rotating block 224 to drive the driving block 225 to move, and the driving block 225 drives the pruning knife 226 to move back and forth on the supporting frame 221 to prune the plants, so that the roof greening looks more beautiful.

Preferably, as can be seen from fig. 6, two adjusting assemblies 23 are provided, the two adjusting assemblies 23 are identical in structure and are respectively disposed on two supporting plates 217, each of the two adjusting assemblies 23 includes an adjusting seat 231, an adjusting electric cylinder 232, an adjusting frame 233, a stretching frame 234 and two moving frames 235, the adjusting seat 231 is mounted at the bottom of the supporting plate 217, the supporting plate 217 is provided with a slot 218, the adjusting seat 231 is in sliding fit with the slot 218 on the supporting plate 217, the adjusting electric cylinder 232 is hinged to the adjusting seat 231, the adjusting frame 233 is mounted at the telescopic end of the adjusting electric cylinder 232 and hinged to the adjusting seat 231, two ends of the stretching frame 234 are respectively hinged to the adjusting frame 233 and the trimming shears 26, and two ends of the two moving frames 235 are respectively hinged to the trimming shears 226 and the supporting plate 217; when more protruding in order to make pleasing to the eye, can carry out the repairment of circular arc to the corner of plant, drive alignment jig 233 through adjusting electric cylinder 232 this moment and remove and make tensile frame 234 remove, tensile frame 234 drives the one end of pruning sword 226 and pulls and move down, pull pruning sword 226 and be the arc, pruning sword 226 removes two removal framves 235 and also follows the removal, the plant looks more pleasing to the eye when carrying out the arc repairment to the plant through the change of pruning sword 226 shape messenger pruning sword 226 in-process, draw-in groove 218 makes pruning subassembly 22 can move along with draw-in groove 218 and can not produce the influence to the angle of scissors.

Preferably, as can be seen from fig. 1, the support bracket 1 comprises a pushing device 3 and a lifting device 4, wherein the pushing device 3 is placed on a horizontal plane, and the lifting device 4 is fixedly mounted on the pushing device 3; the pushing device 3 is convenient for the operator to move, and the lifting device 4 can adjust the trimming component 22 to trim plants with different heights.

Preferably, as can be seen from fig. 2, the pushing device 3 includes a pushing frame 31, a moving plate 32, four rollers 33 and four wheel frames 34, the four wheel frames 34 are arranged at the bottom of the moving plate 32 in a rectangular shape, the four rollers 33 and the four wheel frames 34 are arranged in a one-to-one correspondence manner, and the pushing frame 31 is installed at the top of the moving plate 32; push away pushing frame 31 and drive four gyro wheels 33 through operating personnel and remove with the hand, it is more convenient laborsaving when making the pruning plant.

Preferably, referring to fig. 7, the lifting device 4 includes a lifting seat 41, a rotating motor 42, a rotating rod 43, and two lifting members 44, the lifting seat 41 is fixedly mounted on a sidewall of the pushing frame 31, the rotating motor 42 is mounted on the lifting seat 41, the rotating rod 43 is mounted on a main shaft of the rotating motor 42 and is in transmission fit with the main shaft of the rotating motor 42, the two lifting members 44 are symmetrically disposed on the lifting seat 41 and are in rotational fit with the lifting seat 41, each of the two lifting members 44 includes a first bevel gear 441, a second bevel gear 442, a threaded rod 443 and a connecting frame 444, the first bevel gear 441 is fixedly mounted on the rotating rod 43, the threaded rod 443 is disposed on the lifting seat 41 and is in rotational fit with the lifting seat 41, the second bevel gear 442 is fixedly mounted on the threaded rod 443 and is in mesh with the first bevel gear 441, the connecting frame 444 is disposed on the lifting seat 41 and is in sliding fit with the lifting seat 41, the lifting seat 41 is in threaded fit with the threaded rod 443; when plants with different heights are trimmed, the rotating motor 42 rotates to drive the rotating rod 43 to rotate the first bevel gear 441, the first bevel gear 441 drives the second bevel gear 442 to rotate the threaded rod 443, the threaded rod 443 rotates to drive the connecting frame 444 to move up and down on the lifting seat 41, and the supporting seat 211 is driven to move up and down through the up and down movement of the connecting frame 444 to finish trimming of the plants with different heights.

The working principle is as follows: when an operator pushes the pushing frame 31 with a hand to drive the four rollers 33 to move, the lifting device 4 is driven to move above plants, when plants with different heights are trimmed, the rotating motor 42 rotates to drive the rotating rod 43 to rotate the first bevel gear 441, the first bevel gear 441 drives the second bevel gear 442 to rotate the threaded rod 443, the threaded rod 443 rotates to drive the connecting frame 444 to move up and down on the lifting seat 41, the supporting seat 211 is driven to move up and down by the up and down movement of the connecting frame 444, the rotating motor 223 drives the rotating block 224 to move the driving block 225, the driving block 225 moves to drive the trimming knife 226 to move back and forth on the supporting frame 221 to trim the plants, when the trimming component 22 trims the plants, a plurality of plants can be planted in one area, at the moment, the pushing electric cylinder 213 drives the pushing plate 214 to move to enable one of the supporting plates 217 to move on the supporting seat 211, one of the supporting plates 217 moves to drive one of the connecting plates 216 to move, one of the connecting plates 216 moves to drive the synchronous frame 215 to rotate to drive the other connecting plate 216 to move, the other connecting plate 216 moves to drive the other supporting plate 217 to move to enable the trimming component 22 to adjust the width, the trimming component 22 does not touch and affect the side plants when the same plant is trimmed through the synchronous component 21, when the side edges of the plant are more protruded for beauty, the arc trimming is carried out on the side edges of the plant, at the moment, the adjusting frame 233 is driven to move through the adjusting electric cylinder 232 to enable the stretching frame 234 to move, the stretching frame 234 drives one end of the trimming knife 226 to pull and move downwards, the trimming knife 226 is pulled to be arc-shaped, the trimming knife 226 moves the two moving frames 235 to move correspondingly, and the arc-shaped trimming is carried out on the plant when the trimming knife 226 is trimmed, the slot 218 allows the adjustment assembly 23 to move with the slot 218 during trimming of the trimming assembly 22 without affecting the angle of the scissors.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A roof greening device is characterized in that: the trimming device comprises a supporting bracket (1) and a trimming device (2), wherein the supporting bracket (1) is placed on a horizontal plane, the trimming device (2) is arranged at the bottom of the supporting bracket (1), the trimming device (2) comprises a synchronizing component (21), a trimming component (22) and an adjusting component (23), the synchronizing component (21) is fixedly arranged at the bottom of the supporting bracket (1), the trimming component (22) is arranged on the synchronizing component (21), and the adjusting component (23) is arranged on the trimming component (22) and is in sliding fit with the synchronizing component (21).

2. A roof greening device as claimed in claim 1, wherein said synchronizing assembly (21) comprises a supporting base (211), an electric cylinder (213) for pushing, a pushing plate (214), a synchronizing frame (215), two connecting plates (216) and two supporting plates (217), said supporting base (211) is mounted at the bottom of the supporting bracket (1), said electric cylinder (213) for pushing is mounted at the top of the supporting base (211), said pushing plate (214) is mounted at the telescopic end of the electric cylinder (213) for pushing and slidably engaged with the supporting base (211), said supporting base (211) is provided with a sliding groove (212), said two supporting plates (217) are mounted at the bottom of the supporting base (211) and slidably engaged with the supporting base (211), said pushing plate (214) is connected with one of the supporting plates (217), said synchronizing frame (215) is rotatably mounted on the supporting base (211) and located at the middle position between the two supporting plates (217), one ends of the two connecting plates (216) are fixedly arranged at two ends of the synchronous frame (215), and the other ends of the two connecting plates (216) are respectively connected with the two supporting plates (217).

3. A roof greening device as claimed in claim 2, wherein there are two trimming assemblies (22), two trimming assemblies (22) are arranged on two supporting plates (217) in the same structure, each trimming assembly (22) comprises a supporting frame (221), a rotating motor (223), a rotating block (224), a driving block (225) and a trimming knife (226), the supporting frame (221) is fixedly arranged at the bottom of the supporting plate (217), the rotating motor (223) is arranged at the top of the supporting plate (217) and is in rotating fit with the supporting frame (221), the rotating block (224) is arranged on the main shaft of the rotating motor (223) and is in driving fit with the main shaft of the rotating motor (223), one end of the driving block (225) is arranged on the rotating block (224) and is in driving fit with the rotating block (224), the supporting frame (221) is provided with a moving groove (222), the trimming blade (226) is arranged at the other end of the driving block (225) and is in sliding fit with the moving groove (222) on the supporting frame (221).

4. A roof greening device according to claim 3, wherein two adjusting assemblies (23) are provided, two adjusting assemblies (23) are provided on two supporting plates (217) with the same structure, each adjusting assembly (23) comprises an adjusting seat (231), an adjusting electric cylinder (232), an adjusting frame (233), a stretching frame (234) and two moving frames (235), the adjusting seat (231) is installed at the bottom of the supporting plate (217), the supporting plate (217) is provided with a clamping groove (218), the adjusting seat (231) is in sliding fit with the clamping groove (218) on the supporting plate (217), the adjusting electric cylinder (232) is hinged on the adjusting seat (231), the adjusting frame (233) is installed on the telescopic end of the adjusting electric cylinder (232) and is hinged with the adjusting seat (231), two ends of the stretching frame (234) are hinged on the adjusting frame (233) and the trimming knife (226) respectively, two ends of the two moving frames (235) are respectively hinged on the trimming blade (226) and the supporting plate (217).

5. A roof-greening arrangement as claimed in claim 1, wherein the supporting bracket (1) comprises a pushing means (3) and a lifting means (4), the pushing means (3) being placed on a horizontal plane, the lifting means (4) being fixedly mounted on the pushing means (3).

6. A roof greening device according to claim 5, wherein the pushing device (3) comprises a pushing frame (31), a moving plate (32), four rollers (33) and four wheel carriers (34), the four wheel carriers (34) are arranged at the bottom of the moving plate (32) in a rectangular shape, the four rollers (33) and the four wheel carriers (34) are arranged in a one-to-one correspondence, and the pushing frame (31) is installed at the top of the moving plate (32).

7. A roof greening device as claimed in claim 6, wherein the lifting device (4) comprises a lifting seat (41), a rotating motor (42), a rotating rod (43) and two lifting members (44), the lifting seat (41) is fixedly mounted on the side wall of the pushing frame (31), the rotating motor (42) is mounted on the lifting seat (41), the rotating rod (43) is mounted on the main shaft of the rotating motor (42) and is in transmission fit with the main shaft of the rotating motor (42), the two lifting members (44) are symmetrically arranged on the lifting seat (41) and are in rotation fit with the lifting seat (41), the two lifting members (44) each comprise a first bevel gear (441), a second bevel gear (442), a threaded rod (443) and a connecting frame (444), the first bevel gear (441) is fixedly mounted on the rotating rod (43), the threaded rod (443) is arranged on the lifting seat (41) and is in rotation fit with the lifting seat (41), the second bevel gear (442) is fixedly installed on the threaded rod (443) and meshed with the first bevel gear (441), the connecting frame (444) is arranged on the lifting seat (41) and is in sliding fit with the lifting seat (41), and the lifting seat (41) is in threaded fit with the threaded rod (443).