CN215835845U

CN215835845U - Forestry is afforested with fertilizer injection unit that loosens soil

Info

Publication number: CN215835845U
Application number: CN202122455943.1U
Authority: CN
Inventors: 温毅; 余凯
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-12
Filing date: 2021-10-12
Publication date: 2022-02-18
Anticipated expiration: 2031-10-12

Abstract

The utility model is suitable for the technical field of forestry forestation, and provides a soil loosening and fertilizing device for the forestry forestation, which comprises a chassis, a connecting shaft, a mixing box, a water tank and a water pump, wherein wheels are arranged on the outer surfaces of two sides of the bottom end of the chassis, the mixing box is arranged in the middle of the outer surface of the top end of the chassis, and a soil loosening roller is arranged on one side, close to the connecting shaft, of the outer surface of the bottom end of the chassis. This forestry afforestation is with fertilizer injection unit that loosens soil, be provided with spike tooth and loose roller, can effectually turn up soil through the setting of loose roller, the work of loosening the soil, the rotation of cooperation installation cover and spike tooth simultaneously, can smash the great soil block that the roller that loosens turned up, make the mixed effect of waste material and soil better, make the soil surface comparatively level and smooth, the planting in the later stage of being convenient for, simultaneously through hydraulic telescoping rod's setting, can control the degree of depth that loosens the soil, can take off spike tooth and loose roller from ground simultaneously, can not cause the damage.

Description

Forestry is afforested with fertilizer injection unit that loosens soil

Technical Field

The utility model belongs to the technical field of forestry afforestation, and particularly relates to a soil loosening and fertilizing device for forestry afforestation.

Background

The afforestation can make soil and water be kept, and trees have a huge root system like the crown, can firmly grasp soil like huge hand generally, and the moisture of the soil that is grasped is constantly absorbed by the root again and is kept, according to statistics, the area of a mu of woods is than no area of woods and impounds about 20 tons more, and afforestation is to administering desertification arable land, control soil and water loss, prevent wind the sand fixation, increase soil water storage capacity, can improve ecological environment greatly, alleviate flood disasters' loss.

Need loosen the soil and fertilize work to the soil before current forestry afforestation to guarantee the growth of later stage sapling, be convenient for simultaneously plant, the traditional fertilizer injection unit that loosens the soil when using of current fertilizer injection unit that loosens the soil can only be with soil turning up, can not smash the soil that the part was deblocked, can not guarantee the cover that soil and waste material mix, make the fertilization effect low, current fertilizer injection unit is when using simultaneously, because long-time accumulation, attachment on the storage incasement wall is difficult to the clearance.

SUMMERY OF THE UTILITY MODEL

The utility model provides a soil loosening and fertilizing device for forestry and forestry, and aims to solve the problems that when the large existing soil loosening and fertilizing device is used, the traditional soil loosening device can only turn up soil, can not crush locally deblocked soil, can not ensure the coverage of soil and waste materials in a mixed mode, so that the fertilizing effect is low, and meanwhile when the existing fertilizing device is used, attachments on the inner wall of a storage box are difficult to clean due to long-time accumulation.

The soil loosening and fertilizing device for forestry forestation comprises a chassis, a connecting shaft, a mixing box, a water tank and a water pump, wherein wheels are arranged on the outer surfaces of two sides of the bottom end of the chassis, the connecting shaft is connected and arranged on the outer surface of one end of the chassis, the mixing box is arranged in the middle of the outer surface of the top end of the chassis, the water tank is connected and arranged on one side, away from the connecting shaft, of the mixing box, the bottom end of the water tank is fixedly installed on the outer surface of the top end of the chassis, soil loosening rollers are arranged on one side, close to the connecting shaft, of the outer surface of the bottom end of the chassis, a discharging opening is formed in one side, away from the connecting shaft, of the soil loosening rollers and is arranged in an inclined mode, nail teeth are arranged on the outer surface of one side, away from the soil loosening rollers, of the discharging opening, and a plurality of spray heads are arranged on one side, away from the soil loosening rollers, at equal intervals, of the nail teeth.

Preferably, the top surface intermediate position of mixing box is provided with motor two, and the output of motor two runs through and installs inside the top of mixing box to the inside of mixing box vertically is provided with the hybrid beam, and the one end of hybrid beam is connected with the end that runs through of the output shaft of motor one simultaneously, one side surface of hybrid beam vertically is provided with strikes off the frame, and strikes off one side of frame and pass through the support and be connected with one side of hybrid beam to strike off the embedded strip of scraping that is provided with of opposite side of frame, one side surface of scraping the strip simultaneously and one side inner wall of mixing box laminate mutually, the top surface of mixing box runs through and is provided with the feed inlet.

Adopt above-mentioned technical scheme for the pole that mixes drives when rotating and strikes off the frame and rotate, thereby strikes off remaining fertilizer on the mixing box inner wall, and the clearance in the later stage of being convenient for improves work efficiency.

Preferably, the chassis is close to the inside arc wall that is provided with in top of mixing box, and the top of arc wall and the inside through connection in bottom of mixing box to the bottom of arc wall runs through the one end turn-on connection with the bin outlet, the inside of arc wall is provided with the material pouring roller, and is connected for rotating between material pouring roller and the chassis, and the one end of material pouring roller runs through to rotate and installs the surface in one side on chassis, and the material pouring roller of this end is connected and is provided with the sprocket simultaneously, and the one end of the rotor plate of material pouring roller surface is laminated with the inner wall of arc wall mutually.

Adopt above-mentioned technical scheme for the guide roller can carry out batch-wise the transferring out with the inside fodder of mixing box, thereby guarantees the dose of fertilizeing, simultaneously through the laminating with the arc wall inner wall, makes the guide roller when not rotating, can block up the export, prevents that fertilizer from spilling.

Preferably, the top of water tank is run through and is provided with the water filling port, and the top of water tank is provided with the rotating cover to the water tank is close to the inside filter screen that transversely installs through the bolt in top, is provided with the water pump on the bottom inner wall of water tank simultaneously, and the play water end connection of water pump is provided with the honeycomb duct, the bottom surface that the other end of honeycomb duct runs through the chassis is connected with the input of shower nozzle and is switched on, and the top of shower nozzle is connected and is provided with the mount, and the one end of mount is installed on the bottom surface on chassis.

Adopt above-mentioned technical scheme for can filter the water source when the water injection, prevent to cause the jam for a long time, be convenient for change and wash the filter screen through the setting of rotating the lid simultaneously.

Preferably, the inside all embedded hydraulic telescoping rod that is provided with of both sides bottom surface on chassis, and transverse connection is provided with the mounting panel between hydraulic telescoping rod's the output bottom, and the mounting panel is close to one side bottom surface symmetry of the roller that loosens the soil and is provided with the mounting bracket, the both ends of the roller that loosens the soil all rotate the inside of running through the installation at both sides mounting bracket simultaneously, and the one end connection of the roller that loosens the soil is provided with the sprocket, one side surface that the mounting bracket is close to the sprocket simultaneously is provided with motor one, and the output connection of motor one is provided with the rotation wheel, the inside of rotating the wheel simultaneously is provided with 3 and rotates the draw-in groove, and rotate and be connected through the chain between the sprocket that wheel and the roller one end of loosening the soil are connected, it is connected through the chain between sprocket and the rotation wheel to connect the setting to expect roller one end.

Adopt above-mentioned technical scheme for loosen the soil through the roller that loosens the soil, the degree of depth that can control the soil loosening through hydraulic telescoping rod's setting simultaneously.

Preferably, the chassis is provided with an installation cover in a connection mode on the outer surface of the bottom end of one side close to the nail teeth, a rotating roller is transversely arranged in the installation cover, bevel gears are arranged on the outer surface of the rotating roller at equal intervals, meanwhile, the bevel gears are arranged on one side close to the bottom end of the installation cover in a meshed connection mode, a rotating shaft is arranged in the connection mode on the outer surface of the bottom end of the bevel gears, one end of the rotating shaft penetrates through the outer surface of the bottom end of the installation cover, a protective cover is arranged in the connection mode on the penetrating end of the rotating shaft, the inner portion of the outer surface of the bottom end of the protective cover is connected with one end of the nail teeth, the two ends of the rotating roller penetrate through the outer surfaces of the two sides of the installation cover in a rotating mode, a chain wheel is arranged at one end of the rotating roller close to the rotating wheel, and the chain wheel is connected with the chain wheel at the position.

Adopt above-mentioned technical scheme for smash the great clod after loosening the soil, thereby make ground more level and more smooth, fertilization effect is better simultaneously.

Compared with the prior art, the utility model has the beneficial effects that: the utility model discloses a soil loosening and fertilizing device for forestry afforestation, which comprises:

1. the soil loosening roller is provided with the spike teeth and the loosening roller, soil can be effectively turned up through the loosening roller, soil loosening work is carried out, meanwhile, the installation cover and the spike teeth are matched to rotate, larger soil blocks turned up by the loosening roller can be smashed, the mixing effect of waste materials and soil is better, the soil surface is smooth, later-stage planting is facilitated, meanwhile, the depth of loosened soil can be controlled through the arrangement of the hydraulic telescopic rod, and meanwhile, the spike teeth and the loosening roller can be separated from the ground, and damage cannot be caused;

2. the fertilizer mixing box is provided with the mixing rod and the scraping frame, so that a plurality of fertilizers can be uniformly mixed through the arrangement of the mixing rod, the mixing effect and the fertilizing quality are ensured, meanwhile, the scraping frame is driven to rotate simultaneously through the rotation of the mixing rod, so that the residual fertilizers on the inner wall of the mixing box are scraped, the later-stage cleaning is facilitated, and the working efficiency is improved;

3. be provided with the arc wall and expect the roller, thereby through the rotation of expecting the roller with the inside fertilizer of mixing box, rotate the bin outlet of carrying to the bottom and carry out the fertilization work, guarantee the dosage of fertilizeing, the surface top of expecting the roller simultaneously and the inner wall laminating of arc wall for expect the roller not to rotate of expecting, during the stop work, make and expect the roller can completely cut off the bottom of mixing box, make fertilizer can not spill reduce cost.

Drawings

FIG. 1 is a schematic overall front cross-sectional structural view of the present invention;

FIG. 2 is a schematic view of the overall front view structure of the present invention;

FIG. 3 is a side cross-sectional view of the mounting cup of the present invention;

FIG. 4 is a schematic side view of the fixing frame of the present invention;

FIG. 5 is a schematic top view of the wheel of the present invention.

In the figure: 1-chassis, 2-connecting shaft, 3-mixing box, 4-water tank, 5-hydraulic telescopic rod, 6-mounting plate, 7-mounting rack, 8-motor I, 9-scarification roller, 10-mounting cover, 11-rotating roller, 12-bevel gear, 13-rotating shaft, 14-shield, 15-spike tooth, 16-motor II, 17-mixing rod, 18-scraping rack, 19-scraping strip, 20-arc groove, 21-discharging roller, 22-discharge outlet, 23-filter screen, 24-water pump, 25-guide pipe, 26-mounting rack, 27-spray head, 28-rotating wheel.

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 utility model and are not intended to limit the utility model.

Referring to fig. 1-5, the present invention provides a soil loosening and fertilizing apparatus for forestry, which comprises: a soil loosening and fertilizing device for forestry and forestry forestation comprises a chassis 1, a connecting shaft 2, a mixing box 3, a water tank 4, a hydraulic telescopic rod 5, a mounting plate 6, a mounting frame 7, a first motor 8, a soil loosening roller 9, a mounting cover 10, a rotating roller 11, a bevel gear 12, a rotating shaft 13, a shield 14, spike teeth 15, a second motor 16, a mixing rod 17, a scraping frame 18, a scraping strip 19, an arc-shaped groove 20, a material pouring roller 21, a material discharging opening 22, a filter screen 23, a water pump 24, a guide pipe 25, a fixing frame 26, a spray head 27 and a rotating wheel 28;

in the embodiment, the outer surfaces of two sides of the bottom end of the chassis 1 are provided with wheels, the outer surface of one end of the chassis 1 is provided with a connecting shaft 2 in a connecting manner, the middle position of the outer surface of the top end of the chassis 1 is provided with a mixing box 3, one side of the mixing box 3, which is far away from the connecting shaft 2, is provided with a water tank 4 in a connecting manner, the bottom end of the water tank 4 is fixedly installed on the outer surface of the top end of the chassis 1, one side of the outer surface of the bottom end of the chassis 1, which is close to the connecting shaft 2, is provided with a soil loosening roller 9, one side of the soil loosening roller 9, which is far away from the connecting shaft 2, is provided with a discharge opening 22 in an inclined manner, the outer surface of one side of the discharge opening 22, which is far away from the soil loosening roller 9, is provided with nail teeth 15, and one side of the nail teeth 15, which is far away from the discharge opening 22, is provided with a plurality of spray nozzles 27 at equal intervals;

furthermore, a second motor 16 is arranged in the middle of the outer surface of the top end of the mixing box 3, the output end of the second motor 16 penetrates through the inside of the top end of the mixing box 3, a mixing rod 17 is longitudinally arranged inside the mixing box 3, one end of the mixing rod 17 is connected with the penetrating end of the output shaft of the first motor 8, a scraping frame 18 is longitudinally arranged on the outer surface of one side of the mixing rod 17, one side of the scraping frame 18 is connected with one side of the mixing rod 17 through a support, an embedded scraping strip 19 is arranged on the other side of the scraping frame 18, the outer surface of one side of the scraping strip 19 is attached to the inner wall of one side of the mixing box 3, and a feeding hole penetrates through the outer surface of the top end of the mixing box 3; an arc-shaped groove 20 is arranged inside the top end of the chassis 1 close to the mixing box 3, the top end of the arc-shaped groove 20 is communicated with the inside of the bottom end of the mixing box 3, the bottom end of the arc-shaped groove 20 is communicated with one end of a discharge opening 22, a material pouring roller 21 is arranged inside the arc-shaped groove 20, the material pouring roller 21 is rotatably connected with the chassis 1, one end of the material pouring roller 21 is rotatably arranged on the outer surface of one side of the chassis 1 in a penetrating manner, meanwhile, a chain wheel is connected with the material pouring roller 21 at the end, one end of a rotating plate on the outer surface of the material pouring roller 21 is attached to the inner wall of the arc-shaped groove 20, before the device is used, a traction vehicle is firstly connected with the connecting shaft 2, so as to drive the whole device to operate, meanwhile, feed is poured into the mixing box 3 through a feed inlet at the top end of the mixing box 3, after the device is fully filled, the motor two 16 is started, so that the mixing rod 17 is driven by the motor two 16 to rotate, the feed is mixed, the later fertilization quality is guaranteed, fertilization is needed after soil loosening when the device is in operation, at the moment, the rotating wheel 28 is driven to rotate through rotation of the motor I8, meanwhile, the rotating wheel 28 is driven to rotate through the chain, the material pouring roller 21 is driven to rotate, the material pouring roller 21 rotates to pour the fertilizer inside the material pouring roller 21, the material pouring roller 21 is guided to rotate to conduct fertilization, meanwhile, when the device stops, the material pouring roller 21 stops rotating, and one end of the rotating plate on the outer surface of the material pouring roller 21 is attached to the inner wall of the arc-shaped groove 20, so that the fertilizer inside the mixing box 3 cannot leak out;

furthermore, a water filling port is arranged at the top end of the water tank 4 in a penetrating manner, a rotating cover is arranged at the top end of the water tank 4, a filter screen 23 is transversely arranged inside the water tank 4 close to the top end of the water tank 4 through a bolt, a water pump 24 is arranged on the inner wall of the bottom end of the water tank 4, a guide pipe 25 is connected and arranged at the water outlet end of the water pump 24, the other end of the guide pipe 25 penetrates through the outer surface of the bottom end of the chassis 1 to be connected and communicated with the input end of a spray head 27, a fixed frame 26 is connected and arranged at the top end of the spray head 27, one end of the fixed frame 26 is arranged on the outer surface of the bottom end of the chassis 1, water is filled into the water tank 4 for standby through the water filling port at the top end of the water tank 4 before watering, the filled water is filtered through the filter screen 23, so that blockage caused by too many impurities after a long time is prevented, when watering is started, the water pump 24 is used for pumping the water in the water tank 4 into the guide pipe 25, then the water is drained into the spray head 27 through the guide pipe 25 and finally sprayed out, the use is convenient, and meanwhile, when the filter screen 23 is disassembled, washed and replaced, only the rotating cover at the top end of the water tank 4 is needed to be opened, and the filter screen 23 is taken out;

furthermore, the inner parts of the outer surfaces of the bottom ends of two sides of the chassis 1 are all provided with hydraulic telescopic rods 5 in an embedded mode, the mounting plates 6 are transversely connected and arranged between the bottom ends of the output ends of the hydraulic telescopic rods 5, the mounting frames 7 are symmetrically arranged on the outer surface of the bottom end of one side, close to the soil loosening roller 9, of the mounting plates 6, the two ends of the soil loosening roller 9 are rotatably arranged in the mounting frames 7 of the two sides in a penetrating mode, one end of the soil loosening roller 9 is connected with a chain wheel, the outer surface of one side, close to the chain wheel, of the mounting frame 7 is provided with a motor I8, the output end of the motor I8 is connected with a rotating

wheel

28, 3 rotating clamping grooves are formed in the rotating wheel 28, the rotating wheel 28 is connected with the chain wheel connected with one end of the soil loosening roller 9 through a chain, and the chain wheel connected with one end of the material pouring roller 21 is connected with the rotating wheel 28 through a chain; the outer surface of the bottom end of the chassis 1 near the nail teeth 15 is provided with a mounting cover 10 in a connecting manner, the interior of the mounting cover 10 is transversely provided with a rotating roller 11, the outer surface of the rotating roller 11 is provided with bevel gears 12 at equal intervals, one side of the bevel gears 12 near the bottom end of the mounting cover 10 is provided with bevel gears 12 in a meshing manner, the outer surface of the bottom end of the bevel gears 12 is provided with a rotating shaft 13 in a connecting manner, one end of the rotating shaft 13 penetrates through the outer surface of the bottom end of the mounting cover 10, the penetrating end of the rotating shaft 13 is provided with a protective cover 14 in a connecting manner, the inner portion of the outer surface of the bottom end of the protective cover 14 is connected with one end of the nail teeth 15, two ends of the rotating roller 11 penetrate through and are rotatably mounted on the outer surfaces of two sides of the mounting cover 10, one end of the rotating roller 11 near the rotating wheel 28 is provided with a chain wheel, the rotating wheel 28 is connected with the chain wheel at the position through a chain, when soil loosening is required, firstly, a hydraulic telescopic rod 5 is started, after a soil loosening roller 9 and spike teeth 15 are adjusted to proper positions, a first motor 8 is started to enable a rotating wheel 28 to rotate, meanwhile, the soil loosening roller 9 and the rotating roller 11 are driven to rotate simultaneously through arrangement of a chain and a chain wheel, the soil loosening roller 9 rotates to loosen soil, then, the rotating roller 11 rotates, meanwhile, a rotating shaft 13 is driven to rotate through arrangement of a bevel gear 12, and therefore a shield 14 and the spike teeth 15 at the bottom end are driven to rotate, massive soil is crushed, and the ground is smoother;

the working principle and the using process of the utility model are as follows: after the scraper is installed, the scraping frame 18 and the scraping strip 19 are driven to rotate by the rotation of the mixing rod 17, so that the inner wall of the mixing box 3 is scraped, residues are prevented, and later cleaning is facilitated.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a forestry is afforestation with fertilizer injection unit that loosens soil, includes chassis (1), connecting axle (2), mixing box (3), water tank (4) and water pump (24), its characterized in that: wheels are arranged on the outer surfaces of two sides of the bottom end of the chassis (1), a connecting shaft (2) is connected with the outer surface of one end of the chassis (1), a mixing box (3) is arranged in the middle of the outer surface of the top end of the chassis (1), and one side of the mixing box (3) far away from the connecting shaft (2) is connected with a water tank (4), and the bottom end of the water tank (4) is fixedly arranged on the outer surface of the top end of the chassis (1), a soil loosening roller (9) is arranged on one side of the outer surface of the bottom end of the chassis (1) close to the connecting shaft (2), a discharge opening (22) is arranged on one side of the scarification roller (9) far away from the connecting shaft (2), the discharge opening (22) is arranged obliquely, and the outer surface of one side of the discharge opening (22) far away from the scarification roller (9) is provided with spike teeth (15), and a plurality of spray heads (27) are arranged on one side of the spike teeth (15) far away from the discharge opening (22) at equal intervals.

2. A soil loosening and fertilizing apparatus for forestry and forestry as claimed in claim 1, characterized in that: the utility model discloses a scraping device, including mix box (3), motor two (16), and motor two (16), the output of motor two (16) runs through and installs inside the top of mix box (3) to the inside of mix box (3) vertically is provided with mixing rod (17), and the one end of mixing rod (17) is connected with the run-through end of the output shaft of motor one (8) simultaneously, one side surface of mixing rod (17) vertically is provided with scrapes frame (18), and scrapes one side of frame (18) and pass through the support and be connected with one side of mixing rod (17), and scrape the embedded strip (19) of scraping of being provided with of opposite side of frame (18), one side surface of scraping strip (19) simultaneously and the laminating of one side inner wall of mix box (3), the top surface of mix box (3) runs through and is provided with the feed inlet.

3. A soil loosening and fertilizing apparatus for forestry and forestry as claimed in claim 1, characterized in that: the utility model discloses a material mixing device, including chassis (1), the top of mixing box (3) is close to in chassis (1) inside be provided with arc wall (20), and the top of arc wall (20) and the inside through connection in bottom of mixing box (3) to the bottom of arc wall (20) runs through the one end turn-on connection with bin outlet (22), the inside of arc wall (20) is provided with pouring roller (21), and is connected for rotating between pouring roller (21) and chassis (1), and the one end of pouring roller (21) runs through to rotate and installs the surface in one side of chassis (1), and the pouring roller (21) of this end is connected and is provided with the sprocket simultaneously, and the one end of the rotor plate of pouring roller (21) surface is laminated with the inner wall of arc wall (20) mutually.

4. A soil loosening and fertilizing apparatus for forestry and forestry as claimed in claim 1, characterized in that: the top of water tank (4) is run through and is provided with the water filling port, and the top of water tank (4) is provided with the rotation lid to water tank (4) are close to the inside filter screen (23) that is provided with through bolt horizontal installation in top, are provided with water pump (24) on the bottom inner wall of water tank (4) simultaneously, and the play water end connection of water pump (24) is provided with honeycomb duct (25), the other end of honeycomb duct (25) runs through the bottom surface on chassis (1) and is connected with the input of shower nozzle (27) and switches on, and the top of shower nozzle (27) is connected and is provided with mount (26), and the one end of mount (26) is installed on the bottom surface on chassis (1).

5. A soil loosening and fertilizing apparatus for forestry and forestry as claimed in claim 3, wherein: the inner parts of the outer surfaces of the bottom ends of the two sides of the chassis (1) are embedded with hydraulic telescopic rods (5), and a mounting plate (6) is transversely connected and arranged between the bottom ends of the output ends of the hydraulic telescopic rods (5), and the outer surface of the bottom end of one side of the mounting plate (6) close to the scarification roller (9) is symmetrically provided with mounting frames (7), meanwhile, both ends of the scarification roller (9) are rotatably arranged inside the mounting frames (7) at both sides in a penetrating way, one end of the scarification roller (9) is connected with a chain wheel, the outer surface of one side of the mounting rack (7) close to the chain wheel is provided with a first motor (8), the output end of the motor I (8) is connected with a rotating wheel (28), and 3 rotating clamping grooves are arranged in the rotating wheel (28), and the rotating wheel (28) is connected with a chain wheel connected with one end of the scarification roller (9) through a chain, the chain wheel connected with one end of the material pouring roller (21) is connected with the rotating wheel (28) through a chain.

6. A soil loosening and fertilizing device for forestry and forestry as claimed in claim 5, characterized in that: the outer surface of the bottom end of one side, close to the nail teeth (15), of the chassis (1) is provided with an installation cover (10) in a connecting mode, a rotating roller (11) is transversely arranged inside the installation cover (10), bevel gears (12) are arranged on the outer surface of the rotating roller (11) at equal intervals, one side, close to the bottom end of the installation cover (10), of each bevel gear (12) is provided with the bevel gear (12) in a meshing connection mode, the outer surface of the bottom end of the corresponding bevel gear (12) is provided with a rotating shaft (13), one end of the rotating shaft (13) penetrates through the outer surface of the bottom end of the installation cover (10), the penetrating end of the rotating shaft (13) is provided with a protective cover (14) in a connecting mode, the inner portion of the outer surface of the bottom end of the protective cover (14) is connected with one end of the nail teeth (15), two ends of the rotating roller (11) penetrate through the outer surfaces of the two sides of the installation cover (10) in a rotating mode, and one end, close to the rotating roller (11), is provided with a chain wheel (28), and the rotating wheel (28) is connected with the chain wheel at the position through a chain.