CN109479445B

CN109479445B - Multifunctional handcart type soil digging device

Info

Publication number: CN109479445B
Application number: CN201811531392.9A
Authority: CN
Inventors: 朱忠琼
Original assignee: Fengjie Zhongqiong Ecological Agriculture Development Co ltd
Current assignee: Fengjie Zhongqiong Ecological Agriculture Development Co ltd
Priority date: 2018-12-14
Filing date: 2018-12-14
Publication date: 2020-07-31
Anticipated expiration: 2038-12-14
Also published as: CN109479445A

Abstract

The invention provides a multifunctional trolley type soil digging device which comprises a trolley and a fertilizing mechanism, wherein a pressure arm is rotatably connected above the trolley, a sliding sleeve is sleeved outside the pressure arm, a push rod is rotatably connected on the sliding sleeve through a rotating shaft arranged on the lower side of the sliding sleeve, the bottom end of the push rod is connected with a drilling mechanism, the drilling mechanism comprises a drill rod and a motor driving the drill rod to rotate, an excavating hole for the drill rod to penetrate through is formed in the bottom plate of the trolley, and the push rod drives the drill rod to move up and down to drill in soil in the process of manually pressing the pressure arm downwards or lifting the pressure arm upwards. The trolley can be fixed in the process of digging soil, so that the soil is convenient to dig; meanwhile, the distance of excavation can be specified, and the planting density is uniform; meanwhile, the fertilizer can be applied after the soil excavation is finished, the nutrition of the soil is increased, multiple functions are realized, and the work completion degree is high.

Description

Multifunctional handcart type soil digging device

Technical Field

The invention relates to the technical field of planting, in particular to a multifunctional handcart type soil digging device.

Background

China, as a large population, needs to provide a large amount of food every day. The main source of food is the planting of agriculture, and traditional planting mode adopts artifical excavation, seeding, wastes time and energy to the progress is very slow. Relatively perfect planting equipment is also provided, but the system is huge, special people are required to drive and operate, rent and commission are expensive, and the system is not suitable for farmers of small households. Miniature equipment of cutting earth simple structure, the function singleness can only carry out single cutting earth, can't realize other functions when cutting earth, and the work completion degree is low.

Disclosure of Invention

The invention aims to at least solve the technical problems in the prior art, and particularly provides a multifunctional handcart type soil excavating device which is novel and is used for realizing other functions while excavating soil and improving the work completion degree.

In order to achieve the purpose, the invention provides a multifunctional cart type soil excavating device which comprises a cart and a fertilizing mechanism, wherein a pressing arm is rotatably connected above the cart, a sliding sleeve is sleeved outside the pressing arm, a push rod is rotatably connected on the sliding sleeve through a rotating shaft arranged on the lower side of the sliding sleeve, the bottom end of the push rod is connected with a drilling mechanism, the drilling mechanism comprises a drill rod and a motor driving the drill rod to rotate, an excavating hole for the drill rod to pass through is formed in the bottom plate of the cart, and in the process of manually pressing the pressing arm downwards or lifting the pressing arm upwards, the push rod drives the drill rod to move upwards and downwards to drill in soil;

friction plates are arranged on the front side and the rear side of at least one wheel of the trolley, the head ends of two clamping rods are respectively connected with the two friction plates, the two clamping rods are arranged in parallel, shaft holes with axes extending up and down are formed in the two clamping rods, the lower ends of rotating shafts of the clamping rods are sleeved in the shaft holes of the clamping rods, the clamping rods can rotate around the rotating shafts of the clamping rods, the upper ends of the rotating shafts of the clamping rods are fixedly connected onto a bottom plate of the trolley, a reset spring is connected between the two clamping rods, a vertically arranged bolt is connected to the lower end of the motor, the bolt moves up and down along with the motor and the drill rod synchronously, in the process that the motor moves down, the lower end of the bolt can penetrate through the bottom plate to be inserted between the tail ends of the two clamping rods, and the tail ends of the two clamping rods;

the fertilizing mechanism comprises a pawl which is connected to the left side of the motor through a rotating shaft and synchronously moves up and down along with the motor, the pawl can swing left and right around the rotating shaft, a fertilizer box with an upper opening is arranged on the left side of the bottom plate of the handcart, a ratchet wheel capable of being rotated by the pawl is arranged between the fertilizer box and the pawl, a discharge hole is formed in the front side wall of the fertilizer box close to the ratchet wheel, a baffle used for blocking the discharge hole is connected to the outer side of the fertilizer box in a sliding mode, a reset spring is connected between the baffle and the left end of the front side wall of the fertilizer box, the baffle is driven to move left and right through a transmission mechanism, a chute is;

the transmission mechanism is a chain transmission mechanism and comprises two chain wheels and a chain meshed with the chain wheels, wherein one chain wheel is rotatably connected to the side wall of the fertilizer box, the other chain wheel is coaxially connected with the ratchet wheel, and the baffle is fixed on the chain.

When the drilling machine is used, the pressing arm is manually rotated downwards, the drill rod extends out of the digging hole through the push rod, and the planting pit is drilled through drilling. The sliding sleeve is used for connecting the push rod and the pressing arm, so that the angle between the push rod and the pressing arm can be flexibly adjusted, and the push rod is prevented from being blocked when the pressing arm rotates. The bolt is used for making the clamping rod rotate, makes two friction discs be close to each other, presss from both sides tight wheel, avoids the wheel rotation, when the motor downstream, when digging promptly, can fix the wheel of handcart, is convenient for dig. The fertilizer box is used for containing fertilizer, the pawl is used for rotating the ratchet wheel, and the ratchet wheel drives the baffle to move through the transmission mechanism when rotating, so that the fertilizer in the fertilizer box falls out from the discharge hole. The chute is used for the direction that drops of fertilizer, avoids the waste that the fertilizer wanders and causes.

In the scheme, the method comprises the following steps: the device of cutting earth still includes fixed distance mechanism, fixed distance mechanism include the locking lever and with wheel coaxial coupling's cam, the locking lever lower extreme stretches the preceding ability of wheel and cam contact for prevent that the cam from continuing to rotate forward, the top of locking lever passes the bottom plate and stretches the top of bottom plate, locking lever upper portion is equipped with the dog that is used for preventing the locking lever from dropping from the bottom plate, the top of locking lever is connected with the horizontal pole that extends to the left side, the motor right flank rotates through the pivot to be connected with the start-up that can catch the horizontal pole and collude, the start-up colludes can round pivot horizontal hunting, the start-up colludes and reciprocates along with the motor together, the start-up upper portion on colluding the right side is equipped with the voussoir, set firmly the end lever directly over the voussoir, when the voussoir moves up to and end.

When the cam rotates to the position of the stop rod, the cam can not rotate any more, and the trolley can not move forward any more, which indicates that the excavation position is reached. After the soil is excavated, in the process that the motor moves upwards, the motor hooks the cross rod to pull upwards to separate from the stop rod through the starting hook, then the cam can continue to rotate, when the wedge block moves to the stop position, the stop rod pushes the wedge block to rotate, so that the starting hook also rotates, then the starting hook releases the cross rod, and the stop rod resets. The soil can be dug at a fixed distance through the stop mechanism, so that the uneven planting density is avoided.

In the scheme, the method comprises the following steps: the end part of the pressure arm is connected with a pushing handle vertical to the pressure arm. The pushing handle is convenient for a worker to hold and push the handcart.

In the scheme, the method comprises the following steps: a gap is formed between the fertilizer box and the bottom plate, and one end, close to the fertilizer box, of the chute is higher than the other end of the chute. The fertilizer box is higher than the bottom plate, and the fertilizer can drop under the action of gravity for the speed that the fertilizer dropped.

In the scheme, the method comprises the following steps: the push rod overcoat is equipped with the holding ring, holding ring fixed connection is on the handcart. Can fix a position for the push rod, avoid the push rod to take place to incline and lead to the depth of the dug soil to differ.

In the scheme, the method comprises the following steps: the number of the positioning rings is two, and the two positioning rings are arranged at intervals up and down. The limit to the push rod is increased, and the positioning effect is improved.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that: the trolley can be fixed in the process of digging soil, so that the soil is convenient to dig; meanwhile, the distance of excavation can be specified, and the planting density is uniform; meanwhile, the fertilizer can be applied after the soil excavation is finished, the nutrition of the soil is increased, multiple functions are realized, and the work completion degree is high.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic diagram of the mechanism of the present invention;

fig. 2 is a bottom view of the latch, clamping bar, friction plate and wheel of fig. 1.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

As shown in fig. 1 and 2, the multifunctional cart type soil excavating device comprises a cart 1 and a fertilizing mechanism, wherein the cart comprises a bottom plate and a vertical rod positioned on the left side of the bottom plate, the top of the vertical rod is rotatably connected with a pressing arm 11, a sliding sleeve 12 is sleeved outside the pressing arm 11, a push rod 14 is rotatably connected to the sliding sleeve 12 through a rotating shaft arranged on the lower side of the sliding sleeve 12, the bottom end of the push rod 14 is connected with a drilling mechanism, the drilling mechanism comprises a drill rod 22 and a motor 21 driving the drill rod 22 to rotate, an excavating hole for the drill rod 22 to pass through is formed in the bottom plate of the cart 1, and the push rod 14 drives the drill rod 22 to move up and down to drill a hole in soil in the process of manually;

friction plates 43 are respectively arranged on the front side and the rear side of at least one wheel 16 of the handcart 1, the head ends of two clamping rods 42 are respectively connected with the two friction plates 43, the two clamping rods 42 are arranged in parallel, shaft holes with axes extending up and down are respectively arranged on the two clamping rods 42, the lower ends of the rotating shafts of the clamping rods 42 are sleeved in the shaft holes of the clamping rods 42, the clamping rods 42 can rotate around the rotating shafts of the clamping rods 42, the upper ends of the rotating shafts of the clamping rods 42 of the two clamping rods 42 are fixedly connected on the bottom plate of the handcart 1, a return spring is connected between the two clamping rods 42, the lower end of the motor 21 is connected with a vertically arranged bolt 41, the bolt 41 moves up and down along with the motor 21 and the drill rod 22 synchronously, in the process of downward movement of the motor 21, the lower end of the bolt 41 can penetrate through the bottom plate and be inserted between the tail ends of the two clamping rods 42, and the tail ends of the two clamping rods 42 are opened, so that the friction plate 43 at the head end is tightly held on the wheel 16;

the fertilizing mechanism comprises a pawl 32 which is connected to the left side of the motor 21 through a rotating shaft in a rotating mode and moves up and down synchronously along with the motor 21, the pawl 32 can swing left and right around the rotating shaft, a fertilizer box 33 with an upper opening shape is arranged on the left side of a bottom plate of the trolley 1, a ratchet wheel 31 which can be rotated by the pawl 32 is arranged between the fertilizer box 33 and the pawl 32, a discharge hole is formed in the front side wall of the fertilizer box 33 close to the ratchet wheel 31, a baffle 36 used for blocking the discharge hole is connected to the outer side of the fertilizer box 33 in a sliding mode, a return spring is connected between the baffle 36 and the left end of the front side wall of the fertilizer box 33, the baffle 36 is;

the transmission mechanism is a chain transmission mechanism and comprises two chain wheels 34 and a chain 35 meshed with the chain wheels 34, wherein one chain wheel 34 is rotatably connected to the side wall of the fertilizer box 33, the other chain wheel 3434 is coaxially connected with the ratchet wheel 31, and the baffle 36 is fixed on the chain 35. The stability of the engagement between the chain 35 and the sprocket 34 is better.

The soil excavating device further comprises a distance fixing mechanism, the distance fixing mechanism comprises a stop rod 52 and a cam 53 coaxially connected with the wheel 16, the lower end of the stop rod 52 extends to the front of the wheel 16 and can be in contact with the cam 53 to prevent the cam 53 from continuing to rotate forwards, the top of the stop rod 52 penetrates through the bottom plate and extends to the upper side of the bottom plate, a stop block 521 used for preventing the stop rod 52 from falling off from the bottom plate is arranged at the upper part of the stop rod 52, a cross rod extending towards the left side is connected to the top end of the stop rod 52, a starting hook 51 capable of hooking the cross rod is rotatably connected to the right side surface of the motor 21 through a rotating shaft, the starting hook 51 can swing left and right around the rotating shaft, the starting hook 51 moves up and down along with the motor 21, a wedge block 511 is arranged at the upper part of the right side of the starting hook 51, a stop rod.

The end of the pressing arm 11 is connected with a pushing handle 13 perpendicular to the pressing arm. The push handle 13 facilitates the worker to hold and push the cart 1.

A gap is arranged between the fertilizer box 33 and the bottom plate, and one end of the chute 37 close to the fertilizer box 33 is higher than the other end. The fertilizer box 33 is higher than the bottom plate, and the fertilizer can fall under the action of gravity, so that the falling speed of the fertilizer is increased.

The push rod 14 is sleeved with a positioning ring 15, and the positioning ring 15 is fixedly connected to the trolley 1. Can fix a position for push rod 14, avoid push rod 14 to take place the slope and lead to the depth of cut soil to differ. Preferably, there are two positioning rings 15, and the two positioning rings 15 are spaced up and down. The limit of the push rod 14 is increased, and the positioning effect is improved.

When in use, the trolley 1 is pushed. When the cam 53 is rotated to the stop lever 52 and cannot be rotated further, the trolley 1 cannot be advanced further, indicating that the excavation position has been reached. Excavation is performed by manually rotating the pressing arm 11 downward and then extending the drill rod 22 out of the excavation hole by the push rod 14. The sliding sleeve 12 is used for connecting the push rod 14 and the pressure arm 11, and can flexibly adjust the angle between the push rod 14 and the pressure arm 11, so that the push rod 14 is prevented from being blocked when the pressure arm 11 rotates. The latch 41 is used to rotate the clamping lever 42 to move the two friction plates 43 toward each other to clamp the wheel 16 and prevent the wheel 16 from rotating, so that the trolley 1 can be fixed to facilitate excavation when the motor 21 moves downward, i.e., excavation. After the excavation is finished, in the process that the motor 21 moves upwards, the starting hook 51 hooks the cross rod to pull upwards to separate from the stop rod 52, the cam 53 can continue to rotate, when the wedge block 511 moves to the stop rod 151, the stop rod 151 pushes the wedge block 511 to rotate, so that the starting hook 51 also rotates, the starting hook 51 releases the cross rod, and the stop rod 52 resets. The soil can be dug at a fixed distance through the stop mechanism, so that the uneven planting density is avoided. The fertilizer box 33 is used for loading fertilizer, the pawl 32 is used for rotating the ratchet wheel 31, and the ratchet wheel 31 drives the baffle 36 to move through the transmission mechanism when rotating, so that the fertilizer in the fertilizer box 33 falls out from the discharge hole. Chute 37 is used for the direction that drops of fertilizer, avoids the waste that the fertilizer wanders and causes.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. The utility model provides a multi-functional handcart type device that digs which characterized in that: the device comprises a trolley (1) and a fertilizing mechanism, wherein a pressure arm (11) is rotatably connected above the trolley (1), a sliding sleeve (12) is sleeved outside the pressure arm (11), a push rod (14) is rotatably connected to the sliding sleeve (12) through a rotating shaft arranged on the lower side of the sliding sleeve (12), the bottom end of the push rod (14) is connected with a drilling mechanism, the drilling mechanism comprises a drill rod (22) and a motor (21) for driving the drill rod (22) to rotate, an excavating hole for the drill rod (22) to pass through is formed in the bottom plate of the trolley (1), and the push rod (14) drives the drill rod (22) to move up and down to drill in soil in the process of manually pressing the pressure arm (11) downwards or lifting the pressure arm (11) upwards;

friction plates (43) are arranged on the front side and the rear side of at least one wheel (16) of the trolley (1), the head ends of two clamping rods (42) are respectively connected with the two friction plates (43), the two clamping rods (42) are arranged in parallel, shaft holes extending from top to bottom are formed in the two clamping rods (42), the lower end of a rotating shaft of each clamping rod (42) is sleeved in the shaft hole of the corresponding clamping rod (42), each clamping rod (42) can rotate around the rotating shaft of the corresponding clamping rod (42), the upper ends of rotating shafts of the two clamping rods (42) are fixedly connected to the bottom plate of the trolley (1), a reset spring is connected between the two clamping rods (42), the lower end of the motor (21) is connected with a vertically arranged bolt (41), the bolt (41) moves up and down along with the motor (21) and the drill rod (22) synchronously, and moves downwards in the process of the motor (21), the lower end of the bolt (41) can penetrate through the bottom plate and be inserted between the tail ends of the two clamping rods (42), and the tail ends of the two clamping rods (42) are opened, so that the friction plate (43) at the head end is tightly held on the wheel (16);

the fertilizing mechanism comprises a pawl (32) which is rotationally connected to the left side of the motor (21) through a rotating shaft and synchronously moves up and down along with the motor (21), the pawl (32) can swing left and right around the rotating shaft, a fertilizer box (33) with an upper opening shape is arranged on the left side of the bottom plate of the handcart (1), a ratchet wheel (31) which can be rotated by the pawl (32) is arranged between the fertilizer box (33) and the pawl (32), a discharge hole is arranged on the front side wall of the fertilizer box (33) close to the ratchet wheel (31), the outer side of the fertilizer box (33) is connected with a baffle (36) used for blocking the discharge hole in a sliding way, a return spring is connected between the baffle plate (36) and the left end of the front side wall of the fertilizer box (33), the baffle (36) is driven to move left and right through a transmission mechanism, a chute (37) is arranged below the discharge hole, and the chute (37) leads to an excavation hole;

the transmission mechanism is a chain transmission mechanism and comprises two chain wheels (34) and a chain (35) meshed with the chain wheels (34), wherein one chain wheel (34) is rotatably connected to the side wall of the fertilizer box (33), the other chain wheel (34) is coaxially connected with the ratchet wheel (31), and the baffle (36) is fixed on the chain (35).

2. The multipurpose cart type earth moving apparatus according to claim 1, wherein: the soil digging device further comprises a distance fixing mechanism, the distance fixing mechanism comprises a stop rod (52) and a cam (53) which is coaxially connected with the wheel (16), the lower end of the stop rod (52) extends to the front of the wheel (16) and can be in contact with the cam (53) for preventing the cam (53) from continuously rotating forwards, the top of the stop rod (52) penetrates through the bottom plate and extends to the upper part of the bottom plate, a stop block (521) which is used for preventing the stop rod (52) from falling off from the bottom plate is arranged on the upper part of the stop rod (52), a cross rod which extends towards the left side is connected to the top end of the stop rod (52), a starting hook (51) which can hook the cross rod is rotatably connected to the right side surface of the motor (21) through a rotating shaft, the starting hook (51) can swing left and right around the rotating shaft, the starting hook (51) moves up and down along with the motor (21), a wedge, a stop rod (151) is fixedly arranged right above the wedge block (511), and when the wedge block (511) moves upwards to be in contact with the stop rod (151), the starting hook (51) is forced to swing leftwards.

3. The multipurpose cart type earth moving apparatus according to claim 1, wherein: the end part of the pressure arm (11) is connected with a pushing handle (13) which is vertical to the pressure arm.

4. The multipurpose cart type earth moving apparatus according to claim 1, wherein: a gap is arranged between the fertilizer box (33) and the bottom plate, and one end of the chute (37) close to the fertilizer box (33) is higher than the other end.

5. The multipurpose cart type earth moving apparatus according to claim 1, wherein: a positioning ring (15) is sleeved outside the push rod (14), and the positioning ring (15) is fixedly connected to the trolley (1).

6. The multipurpose cart type earth moving apparatus according to claim 5, wherein: the number of the positioning rings (15) is two, and the two positioning rings (15) are arranged at intervals up and down.