CN111893846A

CN111893846A - Automatic brick paving device

Info

Publication number: CN111893846A
Application number: CN202010791493.0A
Authority: CN
Inventors: 李光亮
Original assignee: Taizhou Chize Technology Co ltd
Current assignee: Taizhou Chize Technology Co ltd
Priority date: 2020-08-07
Filing date: 2020-08-07
Publication date: 2020-11-06

Abstract

The invention discloses an automatic brick paving device, which comprises a box body, wherein a cavity is arranged in the box body, four shafts are arranged in the cavity, the four shafts are equidistantly distributed in the front and back direction, the shafts are rotatably connected with secondary belt wheels, and the shafts are positioned on the right sides of the secondary belt wheels and are rotatably connected with main belt wheels.

Description

Automatic brick paving device

Technical Field

The invention relates to the technical field of road construction, in particular to an automatic brick paving device.

Background

The pavement in the city needs to lay the ceramic tile of various shapes, and when paving the brick, what adopted usually is that manual work is laid, and efficiency is extremely low, and even when mechanical laying, also need the manual work to sign indicating number the brick piece earlier, lay by machinery again, the brick piece of having laid still needs the manual work to strike the reality, is unfavorable for laying the brick piece fast. The direction and the typesetting of the brick are manually controlled when the brick is paved by the existing machine. The present invention sets forth a device that solves the above problems.

Disclosure of Invention

The technical problem is as follows: the control to the fragment of brick can direct influence the efficiency of tiling when the road tiling, and the direction and the composing of brick all need manual control when the tiling of current machinery.

In order to solve the problems, the automatic brick paving device is designed in the embodiment, the automatic brick paving device comprises a box body, a cavity is arranged in the box body, four belts are arranged in the cavity in a front-back equidistant mode, secondary belt wheels are connected in a rotating mode and located on the right sides of the secondary belt wheels, the secondary belt wheels are fixed with main columns which are connected with the front-back inner walls of the cavity in a rotating mode, the main columns which are connected with the front-back inner walls of the cavity in a rotating mode are fixed with the primary belt wheels, a steering device used for righting bricks is arranged between the belts in a sliding mode, sliding plates which are fixed on the front-back inner walls of the cavity and are connected to the right sides of the belts in a sliding mode are arranged in the cavity, the sliding plates are provided with eight through grooves which are regularly distributed, the sliding plates are connected with baffle plates which penetrate through the sliding plates, and the sliding, an auxiliary box body is fixed on the right side of the box body, an auxiliary cavity is arranged in the auxiliary box body, the inner wall of the right side of the cavity is positioned on the upper side of the sliding plate and is communicated with the auxiliary cavity, the inner wall of the left side of the auxiliary cavity is positioned on the right side of the sliding plate and is connected with an auxiliary baffle, a chute is arranged on the lower side of the auxiliary baffle and is positioned on the inner wall of the left side of the auxiliary cavity, a through hole communicated with the cavity and the auxiliary cavity is arranged on the left side of the chute, two rollers which are symmetrical front and back are rotationally arranged on the upper side of the auxiliary box body, a roller shaft is fixed on the roller shaft on the left side and is rotationally connected with a motor fixed on the inner wall of the auxiliary box body, a disc is slidably connected on the right side of the auxiliary box body, a cylindrical pin is fixed on the left end surface of the disc, the front side of the flat plate is rotatably connected with a rotating shaft, the rotating shaft is in sliding connection with the sliding chute, the right side of the auxiliary box body and the lower side of the disc are rotatably connected with two pull shafts which are symmetrical front and back, a pressing shaft is rotatably connected between the pull shafts, a pressing block is fixed on the pressing shaft, the lower side of the cavity is in through connection with a transmission cavity, the lower side of the box body is provided with four tires which are distributed in an array manner, tire shafts are fixed between the tires on the left side and between the tires on the right side, the tire shafts on the left side are rotatably connected with a bevel gear, the bevel gear is fixedly connected with a driving shaft, the driving shaft is rotatably connected with a main motor which is fixed on the inner wall of the lower side of the transmission cavity, the driving shaft is positioned on the left side of the main motor and is fixedly connected with a main bevel gear, the main, the cylinder downside sliding connection has the sleeve pipe, the box downside with be equipped with the spring between the sleeve pipe upper flank, the sleeve pipe downside is fixed with the round platform, the cavity with be equipped with in the transmission cavity and be used for turn to the device the driven transmission of collating unit.

Wherein, turn to the device include with the inner wall rotates the differential axle that six equidistance distributions of connecting around the cavity, there is the belt to connect between the differential axle, two runners of symmetry around differential axle every interval is connected and is fixed to be equipped with by same root belt and left side differential axle downside is equipped with the rotation and connects two gear shafts of the symmetry of inner wall around the cavity, the gear shaft is fixed with gear, left side the gear shaft is first with the left side the differential axle passes through the belt and connects, the right side the gear shaft is second two with the left side the differential axle passes through the belt and connects.

Wherein, the arrangement device comprises four main baffles which are connected in a sliding way and run through the slide plate and distributed at equal intervals, the lower side of the slide plate is provided with a closed box for fixing the front and back inner walls of the cavity, a closed cavity is arranged in the closed box, the inner wall of the upper side of the closed cavity is fixed with a fixed block, a sliding cavity is arranged in the movable plate and is positioned at the lower side of the main baffles, the main baffles run through the inner wall of the upper side of the closed cavity and extend downwards, the lower side of the main baffles is fixed with a push plate positioned in the sliding cavity, an auxiliary spring is arranged between the upper side of the push plate and the inner wall of the upper side of the closed cavity, the lower side of the push plate is connected with the inner wall of the sliding cavity in a sliding way and is provided with a movable plate, the lower side of the movable plate is, be equipped with in the cavity and be located montant downside and sliding connection two axis of rotation of bilateral symmetry of inner wall around the cavity, the montant downside rotates and is connected with main telescopic link, main telescopic link rotates and connects the right side the axis of rotation, main telescopic link's downside is located in the opening, the montant downside rotates and is connected with vice telescopic link, vice telescopic link rotates and connects the left side the axis of rotation, vice telescopic link downside rotates and connects the baffle.

Wherein, the transmission device comprises a first bevel gear fixedly connected with the driving shaft and positioned on the right side of the main motor, the first bevel gear is rotationally connected with a second bevel gear, the second bevel gear is fixedly provided with a driving shaft rotationally connected with the front and rear inner walls of the transmission cavity, the driving shaft is rotationally connected with a driving belt, the driving belt is rotationally connected with a belt shaft rotationally connected with the front and rear inner walls of the cavity, the belt shaft is connected with the main column through a belt, the belt shaft is connected with the secondary column through a belt, the belt shaft is rotationally connected with the differential shaft, the left side roller shaft is rotationally connected with a driving belt, the driving belt is rotationally connected with the right roller shaft, the right side roller shaft is rotationally connected with a first shaft positioned on the lower side of the roller on the right side, the first shaft is connected with a second shaft through a universal joint, the second shaft is rotationally connected with and penetrates through and is fixed on a, no. two shaft fixedly connected with No. three bevel gears, No. three bevel gears rotate and are connected with No. four bevel gears, No. four bevel gear fixedly connected with is located the disc axle of disc right side terminal surface.

The invention has the beneficial effects that: the invention can adjust the state of the bricks in time when being conveyed, the bricks can be better arranged by utilizing the speed difference during the transportation, then the pressure is utilized, the orderly-arranged bricks can be pressed down simultaneously to generate certain force to make the baffle fall down, the staggered arrangement of the bricks is ensured to be orderly, meanwhile, the bricks conveyed from the back can not influence the orderly-arranged bricks in the front, the cleaning device can be used when the terrain is uneven, the whole is linked at one go, and the beneficial effect is generated on the road paving.

Drawings

For ease of illustration, the invention is described in detail by the following specific examples and figures.

FIG. 1 is a schematic view of the overall structure of an automatic brick laying apparatus according to the present invention;

FIG. 2 is a schematic view of the structure in the direction "A-A" of FIG. 1;

FIG. 3 is a schematic view of the structure in the direction "B-B" of FIG. 1;

FIG. 4 is an enlarged view of the structure of the aligning apparatus;

fig. 5 is an enlarged view of the internal structure of the circular truncated cone.

Detailed Description

The invention will now be described in detail with reference to fig. 1-5, for ease of description, the orientations described below will now be defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention relates to an automatic brick paving device, which is mainly applied to the process of paving bricks on roads, and the invention is further explained by combining the attached drawings of the invention:

the automatic brick paving device comprises a box body 11, wherein a cavity 12 is arranged in the box body 11, four belts 15 which are equidistantly distributed from front to back are arranged in the cavity 12, the belts 15 are rotatably connected with auxiliary belt wheels 51, the belts 15 are rotatably connected with main belt wheels 17 which are positioned at the right sides of the auxiliary belt wheels 51, the auxiliary belt wheels 51 are fixedly provided with main columns 50 which are rotatably connected with the front and back inner walls of the cavity 12, the main belt wheels 17 are fixedly provided with auxiliary columns 18 which are rotatably connected with the front and back inner walls of the cavity 12, a steering device 901 for aligning bricks is arranged between the belts 15 in a sliding manner, sliding plates 80 which are fixed on the front and back inner walls of the cavity 12 and are connected with the right sides of the belts 15 in a sliding manner are arranged in the cavity 12, the sliding plates 80 are provided with eight through grooves 49 which are regularly distributed, the sliding plates 80 are slidably connected with baffle plates 19 which penetrate through the sliding plates 80, and the, an auxiliary box body 22 is fixed on the right side of the box body 11, an auxiliary cavity 23 is arranged in the auxiliary box body 22, the inner wall of the right side of the cavity 12 is positioned on the upper side of the sliding plate 80 and is communicated with the auxiliary cavity 23, the inner wall of the left side of the auxiliary cavity 23 is positioned on the right side of the sliding plate 80 and is connected with an auxiliary baffle plate 20 in a sliding way, a sliding groove 31 is arranged on the lower side of the auxiliary baffle plate 20 and is positioned on the inner wall of the left side of the auxiliary cavity 23, a through hole 77 communicated with the cavity 12 and the auxiliary cavity 23 is arranged on the left side of the sliding groove 31, two front and back symmetrical rollers 21 are rotatably arranged on the upper side of the auxiliary box body 22, a roller shaft 53 is fixed on the roller shaft 53 on the left side, a motor 54 fixed on the inner wall of the auxiliary box body 22 is rotatably connected with the, the lower side of the transverse plate 62 is fixed with two pull rods 63 which are bilaterally symmetrical, the lower side of each pull rod 63 is hinged with a flat plate 29 which is connected with the front inner wall and the rear inner wall of the auxiliary cavity 23 in a sliding manner, the front side of each flat plate 29 is connected with a rotating shaft 30 in a rotating manner, the rotating shaft 30 is connected with the sliding groove 31 in a sliding manner, the right side of the auxiliary box body 22 is positioned at the lower side of the disc 24 and is connected with two pull shafts 28 which are bilaterally symmetrical in a rotating manner, a press shaft 27 is connected between the pull shafts 28 in a rotating manner, a press block 26 is fixed on the press shaft 27, the lower side of the cavity 12 is connected with a transmission cavity 34 in a penetrating manner, the lower side of the box body 11 is provided with four tires 32 which are distributed in an array manner, tire shafts 46 are fixed between the tires 32 at the left side and between the tires 32 at, the drive shaft 39 is located the left side fixedly connected with main bevel gear 41 of main motor 40, main bevel gear 41 rotates and is connected with sliding connection the vice bevel gear 44 of transmission cavity 34 inner wall, vice bevel gear 44 is fixed with and link up cylinder 79 of transmission cavity 34 downside inner wall, cylinder 79 downside sliding connection has sleeve 43, box 11 downside with be equipped with spring 81 between the side on the sleeve 43, sleeve 43 downside is fixed with round platform 42, cavity 12 with be equipped with in the transmission cavity 34 and be used for turn to device 901 the driven transmission 903 of collating unit 902.

According to an embodiment, a steering device 901 is described in detail below, the steering device 901 includes six equally-distributed differential shafts 13 rotatably connected with the front and rear inner walls of the cavity 12, the differential shafts 13 are connected by a belt, the differential shafts 13 are connected by the same belt at intervals and fixedly provided with two rotating wheels 82 which are symmetrical front and rear, two symmetrical gear shafts 48 rotatably connected with the front and rear inner walls of the cavity 12 are arranged below the left differential shaft 13, the gear shafts 48 are fixed with gears 47, the left gear shaft 48 is connected with the left first differential shaft 13 by the belt, the right gear shaft 48 is connected with the left second differential shaft 13 by the belt, and the rotating wheels 82 and the belt 15 form a differential speed so that bricks can rotate and can be conveyed in one direction.

According to the embodiment, the following detailed description is provided for the arranging device 902, the arranging device 902 includes four main baffles 65 which are slidably connected to the sliding plate 80 and are equidistantly distributed, the lower side of the sliding plate 80 is provided with a closed box 66 for fixing the front and rear inner walls of the cavity 12, a closed cavity 67 is provided in the closed box 66, a fixed block 71 is fixed on the upper inner wall of the closed cavity 67, a sliding cavity 70 is provided on the lower side of the main baffle 65 in the moving plate 72, the main baffle 65 penetrates through the upper inner wall of the closed cavity 67 and extends downwards, a push plate 69 in the sliding cavity 70 is fixed on the lower side of the main baffle 65, an auxiliary spring 68 is provided between the upper inner wall of the push plate 69 and the upper inner wall of the closed cavity 67, the lower side of the push plate 69 is slidably connected to the inner wall of the sliding cavity 70 and is provided with the moving plate 72, two symmetrical beads 73 rotatably connected to the inner, a compression spring 74 is arranged between the ball 73 and the inner wall of the closed cavity 67, a vertical rod 75 is fixed on the lower side of the moving plate 72, two rotation shafts 78 which are positioned at the lower side of the vertical rod 75 and are connected with the front and the rear inner walls of the cavity 12 in a sliding way are arranged in the cavity 12 and are symmetrical left and right, a main expansion link 76 is rotatably connected to the lower side of the vertical rod 75, the main expansion link 76 is rotatably connected to the right rotating shaft 78, the lower side of the main expansion link 76 is positioned in the through hole 77, the lower side of the vertical rod 75 is rotatably connected with the auxiliary expansion link 64, the auxiliary telescopic rod 64 is rotatably connected with the left rotating shaft 78, the lower side of the auxiliary telescopic rod 64 is rotatably connected with the baffle plate 19, the main shutter 65 is pressed down to increase the pressure in the sliding chamber 70, and then the moving plate 72 is moved down, and then the main shutter 65 can be pressed down without the pressure in the sliding chamber 70.

According to the embodiment, the transmission 903 is described in detail below, the transmission 903 comprises a first bevel gear 38 fixedly connected with the driving shaft 39 and positioned at the right side of the main motor 40, the first bevel gear 38 is rotatably connected with a second bevel gear 37, the second bevel gear 37 is fixedly connected with a driving shaft 36 rotatably connected with the front and rear inner walls of the transmission cavity 34, the driving shaft 36 is rotatably connected with a driving belt 35, the driving belt 35 is rotatably connected with a belt shaft 33 rotatably connected with the front and rear inner walls of the cavity 12, the belt shaft 33 is connected with the main column 50 through a belt, the belt shaft 33 is connected with the auxiliary column 18 through a belt, the belt shaft 33 is rotatably connected with the differential shaft 13, the left roller shaft 53 is rotatably connected with a driving belt 52, the driving belt 52 is rotatably connected with the right roller shaft 53, the right roller shaft 53 is rotatably connected with a first shaft 55 positioned at the lower side of the roller 21, the first shaft 55 is connected with a second shaft 57 through a universal joint, the second shaft 57 is rotatably connected with and penetrates through a fixing plate 56 fixed on the right end face of the auxiliary box body 22, the second shaft 57 is fixedly connected with a third bevel gear 58, the third bevel gear 58 is rotatably connected with a fourth bevel gear 59, and the fourth bevel gear 59 is fixedly connected with a disc shaft 60 located on the right end face of the disc 24.

The use steps of an automatic tile laying device herein will be described in detail with reference to fig. 1 to 5:

initially, the main motor 40 and the motor 54 are in a closed state, the baffle 19 is positioned on the lower side of the sliding plate 80, the main baffle 65 is positioned on the upper side of the sliding plate 80, and the flat plate 29 is positioned on the upper side of the secondary cavity 23;

when the device works, the main motor 40 and the motor 54 are turned on, bricks are put into the cavity 12, the bricks slide in along the inner wall of the cavity 12, the driving shaft 39 is driven by the main motor 40 to rotate, the driving shaft 39 drives the bevel gear 45 to rotate, the bevel gear 45 rotates to rotate the tire shaft 46, the tire shaft 46 rotates to rotate the tire 32, namely, the device advances forwards, the driving shaft 39 drives the main bevel gear 41 to rotate, the main bevel gear 41 drives the auxiliary bevel gear 44 to rotate, the auxiliary bevel gear 44 drives the cylinder 79 to rotate, the cylinder 79 drives the circular truncated cone 42 to rotate, the circular cone 42 cleans the road surface, the driving shaft 39 drives the first bevel gear 38 to rotate, the second bevel gear 37 drives the driving shaft 36 to rotate, the driving shaft 36 drives the driving belt 35 to rotate, the driving belt 35 drives the belt shaft 33 to rotate, the driving belt 35 drives the main column 50 and the auxiliary column 18 to rotate through the belt, thereby, the secondary belt wheel 51 and the primary belt wheel 17 rotate to drive the belt 15 to rotate, under the action of the belt 15, bricks are conveyed, the belt shaft 33 rotates to drive the differential shaft 13 to rotate through the belt, the differential shaft 13 drives the gear shaft 48 to rotate through the belt, namely, the gear 47 rotates, the left gear 47 and the right gear 47 are connected with 3 differential shafts 13 which are separated by one through the belt, meanwhile, the rotating speed of the differential shaft 13 is greater than that of the belt 15, so that the bricks can rotate on the belt 15, then the bricks slide down along the upper side surface of the sliding plate 80, when the four bricks are pressed above the primary baffle 65 at the same time, the push plate 69 at the lower side of the primary baffle 65 compresses the air in the sliding cavity 70, so that the pressure is increased to push the moving plate 72 to move down, then the vertical rod 75 is pushed to move down, under the lever action of the secondary telescopic rod 64, the baffle 19, then, because the pressure in the sliding cavity 70 is reduced, the main baffle 65 is easily pressed by the bricks, after the main baffle 65 is pressed, the bricks slide into the flat plate 29 in the secondary cavity 23, the left roller shaft 53 rotates under the action of the motor 54, the right roller shaft 53 rotates through the transmission of the transmission belt 52, the roller 21 rotates through the rotation of the roller shaft 53, the bricks are clamped under the action of the roller 21, the first shaft 55 is driven by the roller shaft 53 to rotate, the second shaft 57 is driven by the first shaft 55 to rotate, the fourth bevel gear 59 is driven by the second shaft 57 through the third bevel gear 58 to rotate, the circular disc shaft 60 rotates, the circular pin 61 rotates under the action of the circular disc shaft 60, the circular pin 61 rotates to move the transverse plate 62 up and down, the pull rod 63 and the flat plate 29 both move up and down, the bricks are conveyed to the lower side of the secondary cavity 23 on the flat plate 29, because of the chute 31, the flat plate 29 can be inclined, so that bricks on the flat plate 29 can fall down, then the bricks are compacted under the action of the pressing block 26, when the flat plate 29 moves upwards under the action of the cylindrical pin 61, the main telescopic rod 76 in the through hole 77 can be stirred to rotate, the vertical rod 75 moves downwards, so that the bricks on the sliding plate 80 slide downwards, the flat plate 29 continues to move upwards, the auxiliary baffle plate 20 is pushed upwards, a channel is opened, so that the bricks enter the auxiliary cavity 23, and meanwhile, the baffle plate 19 moves downwards again;

at the end, main motor 40 and motor 54 are turned off.

In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.

Claims

1. The utility model provides an automatic tile work device, includes the box, be equipped with cavity, its characterized in that in the box: four belts are arranged in the cavity and are distributed at equal intervals, the belts are rotatably connected with auxiliary belt wheels, the belts are positioned on the right sides of the auxiliary belt wheels and are rotatably connected with a main belt wheel, the auxiliary belt wheels are fixed with main columns which are rotatably connected with the front and rear inner walls of the cavity, the main belt wheels are fixed with auxiliary columns which are rotatably connected with the front and rear inner walls of the cavity, a steering device for straightening bricks is arranged between the belts in a sliding manner, a sliding plate which is fixed on the front and rear inner walls of the cavity and is slidably connected on the right side of the belts is arranged in the cavity, the sliding plate is provided with eight through grooves which are regularly distributed, the sliding plate is slidably connected with a baffle plate which penetrates through the sliding plate, the sliding plate is slidably connected with an arranging device which is positioned on the right side of the baffle plate and is used for arranging and limiting the bricks, an auxiliary box body is fixed, the inner wall of the left side of the auxiliary cavity and the position of the right side of the sliding plate are connected with an auxiliary baffle in a sliding way, the lower side of the auxiliary baffle and the position of the inner wall of the left side of the auxiliary cavity are provided with a sliding chute, the left side of the sliding chute is provided with a through hole which penetrates through the cavity and the auxiliary cavity, the upper side of the auxiliary box body is rotationally provided with two front and back symmetrical idler wheels, the idler wheels are fixed with idler wheel shafts, the idler wheel shafts on the left side are rotationally connected with a motor which is fixed on the inner wall of the auxiliary box body, the right side of the auxiliary box body is slidably connected with a disc, the left end surface of the disc is fixedly provided with a cylindrical pin, the cylindrical pin is rotationally connected with a transverse plate, the lower side of the transverse plate is fixedly provided with two left and right symmetrical pull rods, the lower sides of the pull rods are hinged with a flat plate which is, the device is characterized in that a pressing shaft is rotatably connected between the pulling shafts, a pressing block is fixed on the pressing shaft, a transmission cavity is connected to the lower side of the cavity in a through manner, four tires are distributed on the lower side of the box body in an array manner, tire shafts are fixedly arranged between the tires on the left side and between the tires on the right side, the tire shafts on the left side are rotatably connected with bevel gears, the bevel gears are fixedly connected with a driving shaft, the driving shaft is rotatably connected with a main motor for fixing the inner wall of the lower side of the transmission cavity, the driving shaft is positioned on the left side of the main motor and fixedly connected with a main bevel gear, the main bevel gear is rotatably connected with an auxiliary bevel gear in sliding connection with the inner wall of the transmission cavity, a cylinder penetrating through the inner wall of the lower side of the transmission cavity is fixed on the auxiliary bevel gear, and a transmission device for transmission of the steering device and the arrangement device is arranged in the cavity and the transmission cavity.

2. An automated tile installation according to claim 1, wherein: the steering device comprises six equally-distributed differential shafts connected by the rotation of the inner walls around the cavity, belts are connected between the differential shafts, two rotating wheels which are symmetrically arranged around the differential shafts are connected by the same belt at intervals and are fixedly arranged on the left side, the lower side of each differential shaft is provided with two gear shafts connected by rotation, the two gear shafts are fixed with gears and left sides, the gear shafts are first in the left side, the differential shafts are connected by the belts, and the gear shafts are second in the left side and are connected by the belts.

3. An automated tile installation according to claim 1, wherein: the arrangement device comprises four main baffles which are slidably connected with the sliding plate and are distributed at equal intervals, a closed box for fixing the front and rear inner walls of the cavity is arranged at the lower side of the sliding plate, a closed cavity is arranged in the closed box, a fixed block is fixed on the inner wall of the upper side of the closed cavity, a sliding cavity is arranged in the movable plate and is positioned at the lower side of the main baffles, the main baffles penetrate through the inner wall of the upper side of the closed cavity and extend downwards, a push plate positioned in the sliding cavity is fixed at the lower side of the main baffles, an auxiliary spring is arranged between the upper side of the push plate and the inner wall of the upper side of the closed cavity, the lower side of the push plate is slidably connected with the inner wall of the sliding cavity and is provided with a movable plate, two symmetrical round beads which are rotatably connected with the inner wall of the, be equipped with in the cavity and be located montant downside and sliding connection two axis of rotation of bilateral symmetry of inner wall around the cavity, the montant downside rotates and is connected with main telescopic link, main telescopic link rotates and connects the right side the axis of rotation, main telescopic link's downside is located in the opening, the montant downside rotates and is connected with vice telescopic link, vice telescopic link rotates and connects the left side the axis of rotation, vice telescopic link downside rotates and connects the baffle.

4. The automatic brick paving device as claimed in claim 1, wherein the transmission means comprises a first bevel gear fixedly connected to the driving shaft and located at the right side of the main motor, the first bevel gear is rotatably connected to a second bevel gear, the second bevel gear is fixedly connected to a driving shaft rotatably connected to the front and rear inner walls of the transmission cavity, the driving shaft is rotatably connected to a driving belt rotatably connected to a belt shaft rotatably connected to the front and rear inner walls of the cavity, the belt shaft is connected to the main column through a belt, the belt shaft is connected to the secondary column through a belt, the belt shaft is rotatably connected to the differential shaft, the left roller shaft is rotatably connected to a driving belt rotatably connected to the right roller shaft, the right roller shaft is rotatably connected to a first shaft located at the lower side of the right roller, the first shaft is connected to a second shaft through a universal joint, the second shaft is rotatably connected with the fixing plate which penetrates through and fixes the right end face of the auxiliary box body, the second shaft is fixedly connected with a third bevel gear, the third bevel gear is rotatably connected with a fourth bevel gear, and the fourth bevel gear is fixedly connected with a disc shaft which is located on the right end face of the disc.