CN219919891U - Crawler-type grass laying machine - Google Patents

Abstract

The utility model relates to the technical field of crawler-type grass spreaders, and discloses a crawler-type grass spreader, which comprises a supporting bottom plate; the standing plate is fixedly arranged on one side of the supporting bottom plate, and a handrail is fixedly arranged on one side of the top of the supporting bottom plate; the crawler-type travelling mechanisms are symmetrically arranged on two sides of the supporting bottom plate; the grass blanket rolling and laying structure is arranged on one side of the supporting bottom plate far away from the standing plate; and a hydraulic lifting and rotating mechanism which is installed on the supporting bottom plate. According to the utility model, the hydraulic lifting rotating mechanism can lift the whole crawler-type grass paving machine and then support the whole crawler-type grass paving machine, and meanwhile, the crawler-type grass paving machine can rotate in situ, especially can rotate in situ by 180 degrees, the 180-degree rotation in situ can realize 180-degree rotation with the minimum radius, and meanwhile, the rotation in situ mode shortens the rotation time and protects the flatness of the planting sand surface layer.

Description

Crawler-type grass laying machine

Technical Field

The utility model relates to the technical field of crawler-type grass spreaders, in particular to a crawler-type grass spreader.

Background

The crawler-type grass paving machine is equipment for paving grass carpets on a lawn in a mechanical mode instead of a manual mode, and in the existing grass carpet paving process, the crawler-type grass paving machine is used for paving the grass carpets on the lawn, and needs to rotate 180 degrees for turning round when one pass is completed, and then paving the grass carpets in another pass.

However, in the 180-degree turning process, not only is the radius during turning large, the abrasion of the crawler belt is serious, but also the action is long because of the large turning radius, and the flatness of the surface layer is easy to damage when the sand surface layer is planted, and the sand surface layer is also required to be manually repaired after being damaged, so that the time and the labor are consumed.

For example, chinese patent document with patent publication No. CN207543868U discloses a crawler-type combined grass paving machine, which comprises a frame, wherein a driving platform is arranged on the frame, crawler-type travelling wheels are arranged on two sides of the frame, and a diesel engine for driving the travelling wheels to walk is arranged on the two sides of the frame, and a lawn collecting cutter head is arranged on the front part of the frame, and the grass paving machine is characterized in that: the frame is sequentially provided with a motor, a lawn dividing table, a grass storage box and a transmission disc from front to back, an arc-shaped guide rail is arranged above the lawn dividing table and the grass storage box, one end of a transmission rod is connected with the transmission disc through a rotating shaft, the other end of the transmission rod is connected with a lawn dividing knife, and a sliding block sliding along the arc-shaped guide rail is arranged; the output shaft of the motor is connected with a driving gear, and a first driving wheel is arranged on the outer side of the driving gear; a second driving wheel is arranged above the motor, and the first driving wheel is connected with the second driving wheel through a first driving belt; a third driving wheel is arranged on the front part of the frame above the lawn collecting cutter head, and the third driving wheel is connected with the second driving wheel through a lawn conveying belt; a driven gear meshed with the driving gear is arranged between the motor and the lawn dividing table, a fourth driving wheel is arranged on one side of the driven gear, a fifth driving wheel is connected with a rotating shaft of the driving disc, and the fourth driving wheel is connected with the fifth driving wheel through a second driving belt; the height of the table top of the lawn dividing table is flush with the height of the grass storage box and the height of the rear end of the lawn conveyor belt; the grass storage box is internally provided with a movable plate parallel to the grass storage box bottom, and a spring is arranged between the movable plate and the grass storage box bottom.

However, as is known from the description of the above patent documents and the accompanying drawings, the turning pattern of the crawler-type combined lawnmower still uses the cooperation between the two crawlers to achieve turning, but the radius of the turning pattern is still too large.

For this reason, there is a need for a track-type grass laying machine.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a crawler-type grass paving machine, which solves the problems in the background art.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: a crawler-type grass laying machine comprising:

the middle part of the supporting bottom plate is provided with a first assembly hole, one side of the supporting bottom plate adjacent to the first assembly hole is provided with a second assembly hole, and both sides of the middle part of the top of the supporting bottom plate are fixedly provided with fixing blocks;

a standing plate fixedly mounted on one side of the supporting base plate, and a handrail is fixedly mounted on one side of the top of the supporting base plate;

the crawler-type travelling mechanisms are provided with two groups, and the two groups of crawler-type travelling mechanisms are symmetrically arranged on two sides of the supporting bottom plate;

the grass blanket rolling and laying structure is arranged on one side of the supporting bottom plate far away from the standing plate; and

and the hydraulic jacking and rotating mechanism is arranged on the supporting bottom plate.

Preferably, the hydraulic jacking and rotating mechanism comprises a hydraulic cylinder, wherein a cylinder barrel of the hydraulic cylinder is rotatably arranged in the first assembly hole, and a piston rod of the hydraulic cylinder is positioned below the bottom of the supporting bottom plate;

a sun gear is fixedly arranged on one side of the bottom of the supporting bottom plate of the cylinder barrel of the hydraulic cylinder;

the supporting bottom plate is fixedly provided with a second motor at one side of the top corresponding to the second assembly hole, an output shaft of the second motor penetrates out downwards from the second assembly hole, the end part of the supporting bottom plate is fixedly provided with a planetary gear, and the planetary gear is meshed with the sun gear.

Preferably, a support plate is fixedly arranged at the end part of a piston rod of the hydraulic cylinder.

Preferably, the support plate is I-shaped.

Preferably, an upper clamping ring is fixedly arranged on one side of the cylinder barrel of the hydraulic cylinder, which is positioned at the top of the supporting bottom plate, and the bottom end surface of the upper clamping ring is rotationally connected with the top of the supporting bottom plate;

the cylinder barrel of the hydraulic cylinder is fixedly provided with a lower clamping ring on one side of the bottom of the supporting bottom plate, and the top end face of the lower clamping ring is rotationally connected with the bottom of the supporting bottom plate.

Preferably, each set of crawler-type travelling mechanism comprises a plurality of rotating seats, the rotating seats are fixedly arranged at one side of the bottom of the supporting bottom plate at equal intervals, each rotating seat is internally provided with a shaft lever in a rotating way, and one end of the outer side of each shaft lever is fixedly provided with a driven wheel;

wherein, a limiting ring is fixedly arranged at one end of the inner side of the shaft lever;

the middle part of the top of the fixed block is fixedly provided with a first motor, and the output shaft of the first motor is fixedly provided with a driving wheel;

the driven wheels and the driving wheels are positioned on the same vertical plane;

and a crawler belt is sleeved and arranged between the driven wheels and the driving wheels.

Preferably, the grass blanket rolling and laying structure comprises two T-shaped fixing frames, wherein the two T-shaped fixing frames are fixedly arranged at two ends of one side, far away from the standing plate, of the supporting bottom plate;

a clamping groove is formed in the outer side of the T-shaped fixing frame;

a roller is arranged between the two T-shaped fixing frames, two ends of the roller are fixedly provided with rotating shafts, and the rotating shafts are installed in the clamping grooves in a clamping mode.

Preferably, the clamping groove is inclined, and the notch of the clamping groove faces upwards.

Advantageous effects

The utility model provides a crawler-type grass paving machine, which has the following beneficial effects:

1. in the utility model, after the crawler-type grass paving machine performs single-pass grass blanket paving once, 180-degree steering is needed at the moment to perform another-pass grass blanket paving, at the moment, the hydraulic lifting rotating mechanism is started, the hydraulic lifting rotating mechanism can lift the whole crawler-type grass paving machine and support the whole crawler-type grass paving machine, and meanwhile, the crawler-type grass paving machine can rotate in situ, especially, 180-degree in-situ rotation can be performed, 180-degree steering can be realized by the minimum radius, meanwhile, the steering time is shortened by the in-situ rotation mode, and the flatness of a planted sand surface layer is also protected.

2. In order to enable the hydraulic jacking rotating mechanism to realize the functions of jacking the whole crawler-type grass paving machine and rotating in place after jacking and supporting, the hydraulic cylinder is rotatably arranged in the first assembly hole, when the hydraulic cylinder is started, the piston rod of the hydraulic cylinder can extend downwards until the whole crawler-type grass paving machine is jacked up, at the moment, the two groups of crawler-type travelling mechanisms are separated from the ground, after the second motor is started, the output shaft of the second motor drives the planetary gear to rotate, and the planetary gear is meshed with the sun gear, so that the planetary gear can rotate around the sun gear after rotating, the crawler-type grass paving machine can rotate by taking the hydraulic cylinder as an axis, when the crawler-type grass paving machine rotates for 180 degrees, the second motor is closed, and then the two groups of crawler-type travelling mechanisms touch the ground through the contraction of the piston rod of the hydraulic cylinder, and the crawler-type grass paving machine realizes in-place 180-degree steering.

3. According to the crawler-type grass laying machine, the contact area with a lawn (or the ground) can be increased under the action of the support plate, so that the support surface at the bottom of the crawler-type grass laying machine is larger and more stable during steering.

4. According to the utility model, the I-shaped support plate can increase the contact area of the bottom, reduce the pressing area of the lawn, and protect more lawn from being pressed by the machine to a greater extent.

5. According to the utility model, under the action of the upper clamping ring and the lower clamping ring, not only can the rotation between the hydraulic cylinder and the supporting bottom plate be realized, but also the hydraulic cylinder can be limited and fixed.

6. In the utility model, the roller is used for rolling the grass blanket, and when the grass blanket is rolled, one surface of the grass blanket is provided with grass which is inwards rolled so as to facilitate the subsequent grass blanket laying;

the roller can be inserted and installed in the clamping groove formed in the T-shaped fixing frame through the rotating shaft, and the insertion mode can be convenient for installing or detaching the roller.

7. In the utility model, the notch of the clamping groove is upward, and the clamping groove is inclined, so that the roller is not easy to fall off when being inserted and installed in the clamping groove formed on the T-shaped fixing frame through the rotating shaft, and the crawler-type grass laying machine moves forward when laying grass carpets, so that the roller is not easy to fall off.

Drawings

FIG. 1 is a three-dimensional schematic of the present utility model;

FIG. 2 is a three-dimensional schematic view of the utility model from below;

FIG. 3 is a three-dimensional schematic view of a hydraulic jack-up rotary mechanism of the present utility model;

FIG. 4 is a three-dimensional schematic view of the support base, the fixed blocks, the standing board, the armrests and the T-shaped fixing frame of the present utility model;

fig. 5 is a schematic front view of the T-shaped fixing frame of the present utility model.

In the figure: 1. a support base plate; 2. a first fitting hole; 3. a second fitting hole; 4. a fixed block; 5. a standing board; 6. an armrest; 7. a crawler-type travelling mechanism; 701. a rotating seat; 702. a shaft lever; 703. driven wheel; 704. a limiting ring; 705. a track; 706. a first motor; 707. a driving wheel; 8. a grass blanket rolling and laying structure; 801. a T-shaped fixing frame; 802. a clamping groove; 803. a roller; 804. a rotating shaft; 9. a hydraulic lifting and rotating mechanism; 901. a hydraulic cylinder; 902. a clamping ring is arranged; 903. a lower snap ring; 904. a sun gear; 905. a support plate; 906. a second motor; 907. a planetary gear.

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.

Example 1

The crawler-type grass paving machine is equipment for paving grass carpets on a lawn in a mechanical mode instead of a manual mode, and in the existing grass carpet paving process, the crawler-type grass paving machine is used for paving the grass carpets on the lawn, and needs to rotate 180 degrees for turning round when one pass is completed, and then paving the grass carpets in another pass.

The inventor finds that in the 180-degree steering process, the radius is large, the crawler belt is seriously worn, and the steering radius is large, so that the operation is long, the flatness of the surface layer is easy to damage when the sand surface layer is planted, and the sand surface layer needs to be manually repaired after being damaged, so that the time and the labor are consumed.

For example, chinese patent document with patent publication No. CN207543868U discloses a crawler-type combined grass paving machine, which comprises a frame, wherein a driving platform is arranged on the frame, crawler-type travelling wheels are arranged on two sides of the frame, and a diesel engine for driving the travelling wheels to walk is arranged on the two sides of the frame, and a lawn collecting cutter head is arranged on the front part of the frame, and the grass paving machine is characterized in that: the frame is sequentially provided with a motor, a lawn dividing table, a grass storage box and a transmission disc from front to back, an arc-shaped guide rail is arranged above the lawn dividing table and the grass storage box, one end of a transmission rod is connected with the transmission disc through a rotating shaft, the other end of the transmission rod is connected with a lawn dividing knife, and a sliding block sliding along the arc-shaped guide rail is arranged; the output shaft of the motor is connected with a driving gear, and a first driving wheel is arranged on the outer side of the driving gear; a second driving wheel is arranged above the motor, and the first driving wheel is connected with the second driving wheel through a first driving belt; a third driving wheel is arranged above the lawn collecting cutter head at the front part of the frame, and the third driving wheel is connected with the second driving wheel through a lawn conveying belt; a driven gear meshed with the driving gear is arranged between the motor and the lawn dividing table, a fourth driving wheel is arranged on one side of the driven gear, a rotating shaft of the driving disc is connected with a fifth driving wheel, and the fourth driving wheel is connected with the fifth driving wheel through a second driving belt; the height of the table top of the lawn dividing table is flush with the height of the grass storage box and the height of the rear end of the lawn conveyor belt; the grass storage box is internally provided with a movable plate parallel to the grass storage box bottom, and a spring is arranged between the movable plate and the grass storage box bottom.

However, as is known from the description of the above patent documents and the accompanying drawings, the turning pattern of the crawler-type combined lawnmower still uses the cooperation between the two crawlers to achieve turning, but the radius of the turning pattern is still too large.

The inventors have aimed to be able to solve: "crawler-type grass paver lays grass blanket on the lawn, need rotate 180 degrees returns when accomplishing in one time, lay another time again, the in-process that turns to at this 180 degrees not only turns to radius when turning to is big, the track wearing and tearing are serious, and because turn to the radius big, consequently carry out this action and consume time, in addition at planting sand surface course easily destroyed the surface course roughness, and planting sand surface course still need manual repair after being destroyed, the technical problem of consuming time and effort":

as shown in fig. 1-5, the present utility model provides a technical solution: a crawler-type grass laying machine comprising: the support base plate 1 is provided with a first assembly hole 2 at the middle part, the support base plate 1 is provided with a second assembly hole 3 at one side adjacent to the first assembly hole 2, and the two sides of the middle part of the top of the support base plate 1 are fixedly provided with fixing blocks 4; a standing plate 5 fixedly installed at one side of the support base plate 1, the standing plate 5 being fixedly installed with a handrail 6 at one side of the top of the support base plate 1; the crawler-type travelling mechanisms 7 are provided with two groups, and the two groups of crawler-type travelling mechanisms 7 are symmetrically arranged on two sides of the supporting bottom plate 1; a grass blanket rolling and laying structure 8 which is arranged on one side of the supporting bottom plate 1 far away from the standing plate 5; and a hydraulic jack-up rotation mechanism 9 mounted on the support base plate 1.

In this embodiment, in this crawler-type grass paver, the workman is rolling up the grass blanket through grass blanket rolling and laying structure 8 to in this crawler-type grass paver during operation, can be through grass blanket rolling and laying structure 8 with the grass blanket expansion of rolling, and lay on the lawn, at this crawler-type grass paver through crawler-type running gear 7 during walking work, the workman can stand on standing board 5, handrail 6 can be convenient for the workman hold.

In this embodiment, after the crawler-type grass laying machine performs one single-pass grass blanket laying, at this time, 180 degrees of turning is required to perform another-pass grass blanket laying, at this time, the hydraulic lifting rotating mechanism 9 is started, the hydraulic lifting rotating mechanism 9 can lift up the entire crawler-type grass laying machine, and at the same time, the crawler-type grass laying machine can be rotated in situ, especially, 180 degrees of in-situ rotation can be performed, 180 degrees of turning can be realized with the minimum radius, and meanwhile, the turning time is shortened by the mode of in-situ rotation, and the flatness of the planted sand surface layer is also protected.

Example two

As shown in fig. 1-5, the improvement is based on the first embodiment:

further, the hydraulic jacking and rotating mechanism 9 comprises a hydraulic cylinder 901, a cylinder barrel of the hydraulic cylinder 901 is rotatably arranged in the first assembly hole 2, and a piston rod of the hydraulic cylinder 901 is positioned below the bottom of the supporting bottom plate 1;

a sun gear 904 is fixedly arranged on one side of the cylinder barrel of the hydraulic cylinder 901, which is positioned at the bottom of the supporting bottom plate 1;

the supporting base plate 1 is fixedly provided with a second motor 906 on one side of the top corresponding to the second assembly hole 3, an output shaft of the second motor 906 passes through the second assembly hole 3 downwards, and the end part is fixedly provided with a planetary gear 907, and the planetary gear 907 is meshed with the sun gear 904.

In this embodiment, in order to enable the hydraulic lifting rotation mechanism 9 to lift the entire crawler-type grass paving machine and to rotate in place after lifting and supporting, the hydraulic cylinder 901 is rotatably installed in the first assembly hole 2, when the hydraulic cylinder 901 is started, the piston rod of the hydraulic cylinder can extend downwards until the entire crawler-type grass paving machine is lifted, at this time, the two groups of crawler-type travelling mechanisms 7 are separated from the ground, after the second motor 906 is started, the rotation of the planetary gear 907 is driven by the output shaft of the second motor, the planetary gear 907 is meshed with the sun gear 904, so that the planetary gear 907 can rotate around the sun gear 904 after rotating, and the crawler-type grass paving machine can rotate around the hydraulic cylinder 901 as an axis, after the crawler-type grass paving machine rotates 180 degrees, the second motor 906 is closed, and then the two groups of crawler-type travelling mechanisms 7 are contacted with the ground through the contraction of the piston rod of the hydraulic cylinder 901, so that the crawler-type grass paving machine realizes in-place 180 degrees of steering.

It should be noted that, the hydraulic cylinder 901 and the second motor 906 can both be controlled by an external remote controller or a controller.

Further, a support plate 905 is fixedly installed at the end of a piston rod of the hydraulic cylinder 901.

In this embodiment, under the action of the support plate 905, the contact area with the lawn (or ground) can be increased, so that the support surface of the bottom of the crawler-type grass paving machine is larger and more stable when the crawler-type grass paving machine turns.

Further, the support plate 905 is i-shaped.

In this embodiment, the i-shaped support plate 905 can increase the contact area of the bottom, and simultaneously reduce the pressing area of the lawn, so that more lawn is protected from being pressed by the machine to a greater extent.

Further, a cylinder barrel of the hydraulic cylinder 901 is fixedly provided with an upper clamping ring 902 at one side of the top of the supporting bottom plate 1, and the bottom end surface of the upper clamping ring 902 is rotationally connected with the top of the supporting bottom plate 1;

the cylinder barrel of the hydraulic cylinder 901 is fixedly provided with a lower clamp ring 903 at one side of the bottom of the supporting bottom plate 1, and the top end surface of the lower clamp ring 903 is rotationally connected with the bottom of the supporting bottom plate 1.

In the present embodiment, under the action of the upper snap ring 902 and the lower snap ring 903, not only the rotation between the hydraulic cylinder 901 and the support base plate 1 can be achieved, but also the hydraulic cylinder 901 can be restrained and fixed.

Further, each set of crawler-type travelling mechanism 7 comprises a plurality of rotating seats 701, the plurality of rotating seats 701 are fixedly arranged at one side of the bottom of the supporting bottom plate 1 at equal intervals, a shaft lever 702 is rotatably arranged in each rotating seat 701, and a driven wheel 703 is fixedly arranged at one end of the outer side of the shaft lever 702;

wherein, a limiting ring 704 is fixedly arranged at one end of the inner side of the shaft 702;

a first motor 706 is fixedly arranged in the middle of the top of the fixed block 4, and a driving wheel 707 is fixedly arranged on an output shaft of the first motor 706;

the driven wheels 703 and the driving wheels 707 are positioned on the same vertical plane;

a plurality of driven wheels 703 and a driving wheel 707 are sleeved and connected with a crawler belt 705.

In this embodiment, after the first motor 706 is started, the driving wheel 707 can be driven to rotate, the rotation of the driving wheel 707 drives the crawler 705 to operate, and the operation of the crawler 705 drives the plurality of driven wheels 703 to rotate, so that the crawler-type grass paving machine can realize the crawler-type walking function.

It should be noted that, the first motor 706 can be controlled to be turned on or off by an external remote controller or a controller.

Further, the grass blanket rolling and laying structure 8 comprises two T-shaped fixing frames 801, and the two T-shaped fixing frames 801 are fixedly arranged at two ends of one side, far away from the standing plate 5, of the supporting bottom plate 1;

a clamping groove 802 is formed on the outer side of the T-shaped fixing frame 801;

a roller 803 is arranged between the two T-shaped fixing frames 801, two ends of the roller 803 are fixedly provided with rotating shafts 804, and the rotating shafts 804 are clamped and installed in the clamping grooves 802.

In this embodiment, roller 803 is used to wind up the grass mat, with a face of the grass being rolled inwardly as the grass mat is wound up, to facilitate subsequent grass mat laying;

the roller 803 can be inserted and installed in a clamping groove 802 formed in the T-shaped fixing frame 801 through a rotating shaft 804, and the insertion mode can facilitate installation or disassembly of the roller 803.

Further, the clamping groove 802 is inclined, and the notch of the clamping groove 802 faces upwards.

In this embodiment, since the notch of the clamping groove 802 is upward and the clamping groove 802 is inclined, when the roller 803 is inserted and installed in the clamping groove 802 formed on the T-shaped fixing frame 801 through the rotating shaft 804, the roller 803 is not easy to fall off, and since the crawler-type grass laying machine advances forward when laying grass carpets, the roller 803 is not easy to fall off.

To sum up, the workflow of the utility model: in the crawler-type grass laying machine, a worker winds up a grass blanket through the grass blanket winding and laying structure 8 so that the wound grass blanket can be unfolded through the grass blanket winding and laying structure 8 and laid on a lawn when the crawler-type grass laying machine works, the worker can stand on the standing board 5 when the crawler-type grass laying machine walks through the crawler-type travelling mechanism 7, and the handrails 6 can be convenient for the worker to hold;

when the crawler-type grass paving machine is used for paving grass carpets for one single time, 180 degrees of steering is needed to be performed for paving grass carpets for the other time, at the moment, the hydraulic jacking rotating mechanism 9 is started, the hydraulic jacking rotating mechanism 9 can jack up the whole crawler-type grass paving machine and simultaneously enable the crawler-type grass paving machine to rotate in situ, especially 180 degrees of in-situ rotation can be performed, 180 degrees of steering can be realized with the minimum radius, meanwhile, the steering time is shortened by the means of in-situ rotation, and the flatness of a sand planting surface layer is also protected;

in order to enable the hydraulic lifting rotating mechanism 9 to realize the functions of integrally lifting the crawler-type grass paving machine and rotating in place after lifting and supporting, the hydraulic cylinder 901 is rotatably arranged in the first assembly hole 2, when the hydraulic cylinder 901 is started, the piston rod of the hydraulic cylinder 901 can be extended downwards until the crawler-type grass paving machine is integrally lifted, at the moment, the two groups of crawler-type travelling mechanisms 7 are separated from the ground, after the second motor 906 is started, the output shaft of the hydraulic cylinder 901 can drive the planetary gear 907 to rotate, the planetary gear 907 is meshed with the sun gear 904, so that the planetary gear 907 can rotate around the sun gear 904 after rotating, the crawler-type grass paving machine can rotate by taking the hydraulic cylinder 901 as an axis, and when the crawler-type grass paving machine rotates for 180 degrees, the second motor 906 is closed, and then the piston rods of the hydraulic cylinder 901 are contracted to enable the two groups of crawler-type travelling mechanisms 7 to touch the ground, so that the crawler-type grass paving machine realizes in-place 180-degree steering;

under the action of the support plate 905, the contact area with the lawn (or ground) can be increased, so that the support surface at the bottom of the crawler-type grass paving machine is larger and more stable during steering;

the I-shaped support plate 905 can increase the contact area of the bottom, reduce the pressing area of the lawn and protect more lawn from being pressed by the machine to a greater extent;

under the action of the upper clamping ring 902 and the lower clamping ring 903, not only can the rotation between the hydraulic cylinder 901 and the supporting bottom plate 1 be realized, but also the hydraulic cylinder 901 can be limited and fixed;

after the first motor 706 is started, the driving wheel 707 can be driven to rotate, the rotation of the driving wheel 707 drives the caterpillar 705 to operate, and the operation of the caterpillar 705 drives the driven wheels 703 to rotate, so that the caterpillar grass laying machine can realize a caterpillar walking function;

the roller 803 is used for rolling the grass blanket, and when the grass blanket is rolled, one surface of the grass blanket is provided with grass, so that the grass blanket can be laid conveniently;

the roller 803 can be inserted and installed in a clamping groove 802 formed in the T-shaped fixing frame 801 through a rotating shaft 804, and the insertion mode can facilitate the installation or the disassembly of the roller 803;

because the notch of the clamping groove 802 is upward, and the clamping groove 802 is inclined, when the roller 803 is inserted and installed in the clamping groove 802 formed in the T-shaped fixing frame 801 through the rotating shaft 804, the roller 803 is not easy to fall off, and because the crawler-type grass laying machine advances forward when laying grass blankets, the roller 803 is not easy to fall off.

The different embodiments described above can be used in combination with each other.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. A track-mounted lawnmower comprising:

the support base plate (1) is provided with a first assembly hole (2) at the middle part, the support base plate (1) is provided with a second assembly hole (3) at one side adjacent to the first assembly hole (2), and fixing blocks (4) are fixedly arranged at two sides of the middle part of the top of the support base plate (1);

a standing plate (5) fixedly arranged on one side of the supporting bottom plate (1), wherein an armrest (6) is fixedly arranged on one side of the top of the supporting bottom plate (1) on the standing plate (5);

the crawler-type travelling mechanisms (7) are provided with two groups, and the two groups of crawler-type travelling mechanisms (7) are symmetrically arranged on two sides of the supporting bottom plate (1);

the grass blanket rolling and laying structure (8) is arranged on one side of the supporting bottom plate (1) far away from the standing plate (5); and

and a hydraulic lifting and rotating mechanism (9) which is arranged on the supporting bottom plate (1).

2. A track-type grass laying machine as claimed in claim 1, wherein: the hydraulic jacking and rotating mechanism (9) comprises a hydraulic cylinder (901), a cylinder barrel of the hydraulic cylinder (901) is rotatably arranged in the first assembly hole (2), and a piston rod of the hydraulic cylinder (901) is positioned below the bottom of the supporting bottom plate (1);

a sun gear (904) is fixedly arranged on one side of the bottom of the supporting bottom plate (1) of the cylinder barrel of the hydraulic cylinder (901);

the supporting base plate (1) is fixedly provided with a second motor (906) on one side of the top corresponding to the second assembly hole (3), an output shaft of the second motor (906) penetrates out downwards from the second assembly hole (3), the end part of the supporting base plate is fixedly provided with a planetary gear (907), and the planetary gear (907) is meshed with the sun gear (904).

3. A track-type grass laying machine as claimed in claim 2, wherein: a support plate (905) is fixedly arranged at the end part of a piston rod of the hydraulic cylinder (901).

4. A track-type grass laying machine according to claim 3, wherein: the support plate (905) is I-shaped.

5. A track-type grass laying machine as claimed in claim 2, wherein: an upper clamping ring (902) is fixedly arranged on one side of the top of the supporting bottom plate (1) of the cylinder barrel of the hydraulic cylinder (901), and the bottom end surface of the upper clamping ring (902) is rotationally connected with the top of the supporting bottom plate (1);

the cylinder barrel of the hydraulic cylinder (901) is fixedly provided with a lower clamping ring (903) at one side of the bottom of the supporting bottom plate (1), and the top end surface of the lower clamping ring (903) is rotationally connected with the bottom of the supporting bottom plate (1).

6. A track-type grass laying machine as claimed in claim 1, wherein: each set of crawler-type travelling mechanism (7) comprises a plurality of rotating seats (701), the rotating seats (701) are fixedly arranged at one side of the bottom of the supporting bottom plate (1) at equal intervals, a shaft lever (702) is rotatably arranged in each rotating seat (701), and a driven wheel (703) is fixedly arranged at one end of the outer side of each shaft lever (702);

wherein, a limiting ring (704) is fixedly arranged at one end of the inner side of the shaft lever (702);

a first motor (706) is fixedly arranged in the middle of the top of the fixed block (4), and a driving wheel (707) is fixedly arranged on an output shaft of the first motor (706);

the driven wheels (703) and the driving wheels (707) are positioned on the same vertical plane;

and a crawler belt (705) is sleeved between the driven wheels (703) and the driving wheels (707).

7. A track-type grass laying machine as claimed in claim 1, wherein: the grass blanket rolling and laying structure (8) comprises two T-shaped fixing frames (801), wherein the two T-shaped fixing frames (801) are fixedly arranged at two ends of one side, far away from the standing plate (5), of the supporting bottom plate (1);

a clamping groove (802) is formed in the outer side of the T-shaped fixing frame (801);

a roller (803) is arranged between the two T-shaped fixing frames (801), two ends of the roller (803) are fixedly provided with rotating shafts (804), and the rotating shafts (804) are clamped and installed in the clamping grooves (802).

8. A track-type grass laying machine as claimed in claim 7, wherein: the clamping groove (802) is inclined, and the notch of the clamping groove (802) faces upwards.