CN114531973A

CN114531973A - Portable forestry scarifier

Info

Publication number: CN114531973A
Application number: CN202210435908.XA
Authority: CN
Inventors: 董冰; 修文红; 韩晓伦
Original assignee: Yantai Changfeng Forestry Development Co ltd
Current assignee: Yantai Changfeng Forestry Development Co ltd
Priority date: 2022-04-25
Filing date: 2022-04-25
Publication date: 2022-05-27
Anticipated expiration: 2042-04-25
Also published as: CN114531973B

Abstract

The invention relates to the technical field of forestry machinery, in particular to a portable forestry scarifier, which comprises a main support of a base and a single cylinder diesel fixed on the main support, wherein a bidirectional output speed reducer is installed at the output end of the single cylinder diesel, the bidirectional output speed reducer is fixed at the bottom of the main support, universal transmission parts are movably connected to two sides of the bidirectional output speed reducer, two sides of the bidirectional output speed reducer are movably connected with linking seats through the universal transmission parts, a scarifier blade assembly is assembled on each linking seat, the scarifier blade assembly comprises a blade box and a box cover for sealing the blade box, blades are telescopically connected to two sides of the blade box, one end of each blade is arc-shaped, a spring is fixed to the other end of each blade, and one end of the spring, which deviates from the blades, is fixedly connected with the inner wall of the blade box. The invention has the variable-pitch cutter, reduces the cutter when entering the soil, greatly reduces the resistance to entering the soil and ensures that the soil can still be loosened normally on the solid soil.

Description

Portable forestry scarifier

Technical Field

The invention relates to the technical field of forestry machinery, in particular to a portable forestry scarifier.

Background

The scarifier is a forestry and agricultural common machine and is mainly used for loosening soil, and the scarifier mainly comprises a large scarifier and a small scarifier, wherein the portable scarifier belongs to the small scarifier.

To this end, chinese patent publication No. CN113330834A discloses a portable forestry ripper including: a pull rod; the steering shaft is fixedly connected with one end of the pull rod; the mounting box is provided with a first through hole, and the steering shaft body is connected with a mounting box bearing; the first gear is fixedly connected to the steering shaft body; two mechanism that digs distribute in first gear both sides, and the install bin is located first gear both sides and is equipped with a mounting hole respectively, and two mechanism that digs bearing connection respectively are in the mounting hole of first gear both sides, and two mechanism that dig all are equipped with the second gear, and every second gear all with first gear toothing, the number of teeth of first gear is the even multiple of the number of teeth of second gear. According to the portable forestry scarifier, the working modes of the whole scarifier are switched, so that the portable forestry scarifier has high scarification efficiency when the spacing between the rows of the trees is wide, and has high trafficability when the spacing between the rows of the trees is narrow.

Its mechanism of digging has some problems, portable scarifier is because the volume is less, its power unit power is less, consequently, when meetting the real soil of comparison board, when cutter ground among the mechanism of digging just contacts, owing to guarantee the depth of digging, cutter length needs certain requirement, the cutter of overlength can receive very big resistance when the initial stage is buried, the operation of loosening the soil is influenced, can be by the cutter even for the whole scarifier of basic point jack-up, influence the effect of digging, and be so for a long time, can aggravate the damage of cutter, influence life.

There is therefore a great need to design a portable forestry ripper to solve the above problems.

Disclosure of Invention

The invention aims to provide a portable forestry scarifier to solve the problems of influencing scarification operation and soil turning effect and shortening the service life of a cutter in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a portable forestry scarifier comprises a main support of a base and a single cylinder diesel fixed on the main support, wherein a bidirectional output speed reducer is installed at the output end of the single cylinder diesel, the bidirectional output speed reducer is fixed at the bottom of the main support, universal transmission parts are movably connected to two sides of the bidirectional output speed reducer, linking seats are movably connected to two sides of the bidirectional output speed reducer through the universal transmission parts, a scarifier assembly is assembled on each linking seat, the scarifier assembly comprises a cutter box and a box cover for sealing the cutter box, cutters are telescopically connected to two sides of the cutter box, one end of each cutter is arc-shaped, a spring is fixed to the other end of each cutter, one end of each spring, which deviates from the corresponding cutter, is fixedly connected with the inner wall of the cutter box, a half-cycle gear is arranged between the two cutters, and the two cutters are all meshed with the half-cycle gear, the half-cycle gear is connected with a fixing rod through a rotating shaft, and one end, far away from the box cover, of the fixing rod is fixedly connected with the main support.

Preferably, a handrail assembly is assembled on the side face of the main support, the handrail assembly is composed of a fixed frame and a hand-held frame, one end of the fixed frame is fixed on the main support, the other end of the fixed frame is rotatably connected with the hand-held frame, and the hand-held frame is fixedly connected with the handrail assembly through bolts.

Preferably, one side of the main support adjacent to the handrail component is provided with a supporting wheel set, the supporting wheel set comprises a roller wheel support and a roller wheel, one end of the roller wheel support is fixed on the main support, and the other end of the roller wheel support is rotatably connected with the roller wheel through a rotating shaft.

Preferably, the universal driving medium comprises first universal joint and second universal joint, the one end of first universal joint rotates with the output of two-way output speed reducer to be connected, the other end of first universal joint rotates with the one end of second universal joint to be connected, the linking seat comprises mounting panel and the connecting axle of fixing in mounting panel axle center department, the other end and the connecting axle of second universal joint rotate to be connected.

Preferably, the connecting shaft is provided with a height adjusting mechanism, the height adjusting mechanism consists of a bearing sleeve, a linking frame and an electric push rod, the bearing sleeve is rotatably connected with the connecting shaft through a bearing, one end of the linking frame is slidably connected with the bearing sleeve, the other end of the linking frame is fixedly connected with the output end of the electric push rod, and the electric push rod is fixed on the main support.

Preferably, one end of the knife box, which is far away from the box cover, is fixedly connected with the mounting plate through a bolt.

Preferably, a holder is arranged in the knife box, the middle of the holder is hollow, the half-cycle gear penetrates through the hollow part of the holder, sliding grooves are formed in two sides of the holder, the two sliding grooves are oppositely and alternately distributed, and the two cutters are respectively in sliding connection with the two sliding grooves.

Preferably, the arc-shaped ends of the two cutters are distributed in opposite directions.

Preferably, the number of the cutters is four, and the four cutters are arranged in a groined shape.

Compared with the prior art, the invention has the beneficial effects that: this portable forestry loosening tiller has the variable pitch cutter, reduces the cutter when burying, and greatly reduced resistance that buries guarantees still can normally loosen the soil on the real soil of board.

(1) Through with cutter and knife box swing joint to realize through the spring that the cutter is automatic to be shrunk in the knife box, when the cutter is along with knife box anticlockwise rotation, the cutter only with ground institute when angulation is greater than zero degree, the cutter just can outwards stretch out gradually because of the effect of half-cycle gear, increase the degree of depth of loosening the soil, solved the initial stage of digging into the soil, because of the cutter overlength, the resistance is too big, is difficult to the problem of loosening the soil on the real soil of board.

(2) The connecting seat is connected with the output end of the bidirectional output speed reducer through the universal transmission part, so that the connecting seat can still normally transmit after being adjusted in height, and the height adjusting mechanism is assembled on the connecting shaft to adjust the height of the connecting seat, so that the effects of unilateral retraction and unilateral soil loosening can be realized, and the effect of quickly adjusting the soil loosening depth can also be achieved.

Drawings

FIG. 1 is a schematic overall structure diagram according to a first embodiment of the present invention;

FIG. 2 is a schematic side view of the structure of the first embodiment of the present invention;

FIG. 3 is a schematic front view of a structure according to a first embodiment of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 3 according to the present invention;

FIG. 5 is an exploded view of the ripper blade assembly of FIG. 1 in accordance with the present invention;

FIG. 6 is a schematic view of a portion of the ripper blade assembly of FIG. 1 according to the present disclosure;

fig. 7 is a partial schematic view of a ripper blade assembly according to a second embodiment of the present invention.

In the figure: 1. a main support; 2. a single cylinder diesel engine; 3. a bidirectional output speed reducer; 4. a universal transmission member; 41. a first universal joint; 42. a second universal joint; 5. a linking seat; 6. a ripper blade assembly; 61. a knife box; 62. a box cover; 63. a cutter; 64. a half-cycle gear; 65. fixing the rod; 66. a spring; 67. a holder; 7. a support wheel set; 8. an armrest assembly; 9. a bearing housing; 10. a linking frame; 11. an electric push rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1-6, the present invention provides an embodiment:

the utility model provides a portable forestry loosening tiller, includes base main support 1 and fixes single cylinder diesel 2 on main support 1, and two-way output speed reducer 3 is installed to the output of single cylinder diesel 2, and two-way output speed reducer 3 is fixed in the bottom of main support 1, and single cylinder diesel 2 is used for output power to give two-way output speed reducer 3, reduces speed through 3 two-way output speed reducers and increases power take off after the torsion, and here is known open technology, does not do too much explanation here.

In the actual soil loosening process, the condition that only one side is needed to loosen soil or the condition that the soil loosening depths at two sides are different can be met, so that universal transmission parts 4 are movably connected to two sides of the bidirectional output speed reducer 3, two sides of the bidirectional output speed reducer 3 are movably connected with connecting seats 5 through the universal transmission parts 4, and each connecting seat 5 is provided with a soil loosening blade assembly 6, so that the heights of the connecting seats 5 and the soil loosening blade assemblies 6 can be changed along with the universal transmission parts 4;

the universal transmission part 4 is composed of a first universal joint 41 and a second universal joint 42, one end of the first universal joint 41 is rotatably connected with the output end of the bidirectional output speed reducer 3, the other end of the first universal joint 41 is rotatably connected with one end of the second universal joint 42, the connecting seat 5 is composed of a mounting plate and a connecting shaft fixed at the axle center of the mounting plate, the other end of the second universal joint 42 is rotatably connected with the connecting shaft, and after the height of the connecting shaft is adjusted up and down, the universal transmission part 4 can still normally output power to the connecting seat 5.

Further, as shown in fig. 3-4, a height adjusting mechanism is assembled on the connecting shaft, the height adjusting mechanism is composed of a bearing sleeve 9, a connecting frame 10 and an electric push rod 11, the bearing sleeve 9 is rotatably connected with the connecting shaft through a bearing, one end of the connecting frame 10 is slidably connected with the bearing sleeve 9, the other end of the connecting frame 10 is fixedly connected with the output end of the electric push rod 11, the electric push rod 11 is fixed on the main support 1, the connecting frame 10 is driven to ascend and descend through the electric push rod 11, the bearing sleeve 9 can drive the connecting shaft to ascend and descend, and therefore the working height of the ripping cutter assembly 6 can be adjusted.

Further, as shown in fig. 1, the side of main support 1 is equipped with handrail assembly 8, handrail assembly 8 comprises mount and hand rest, the one end of mount is fixed on main support 1, the other end and the hand rest of mount rotate to be connected, and hand rest passes through bolt and handrail assembly 8 fixed connection, this design, can make things convenient for this portable forestry scarifier when not using, can dismantle the screw of fixed hand rest, make hand rest fold to main support 1 direction and accomodate, reduce and deposit occupation space.

It is worth mentioning that, for the convenience of operating portable forestry ripper, the throttle size control of single cylinder diesel 2, and electric push rod 11's control switch all installs on hand frame to it supplies power for electric push rod 11 to be equipped with the battery on the main support 1.

Further, as shown in fig. 1, in order to facilitate the movement of the portable forestry ripper, a supporting wheel set 7 is arranged on one side of the main support 1 adjacent to the handrail assembly 8, the supporting wheel set 7 is composed of a roller support and a roller, one end of the roller support is fixed on the main support 1, and the other end of the roller support is rotatably connected with the roller through a rotating shaft.

The ripping cutter assembly 6 comprises a cutter box 61 and a box cover 62 for sealing the cutter box 61, wherein two sides of the cutter box 61 are telescopically connected with cutters 63, one end of each cutter 63 is arc-shaped, soil can be turned conveniently, a ripping effect is achieved, a spring 66 is fixed at the other end of each cutter 63, one end, away from each cutter 63, of each spring 66 is fixedly connected with the inner wall of the cutter box 61, a half-cycle gear 64 is arranged between the two cutters 63, each half-cycle gear 64 is connected with a fixing rod 65 through a rotating shaft, one end, away from the box cover 62, of each fixing rod 65 is fixedly connected with the main support 1, the half-cycle gear 64 is ensured not to synchronously rotate along with the cutter box 61, the horizontal state of the cutter box 61 in the figures 2 and 6 is zero, the degree is calculated according to the counterclockwise direction, when the cutters 63 rotate to 90-180 degrees along with the cutter box 61, as shown in the state of the cutter 63 at the lower part of the figure 7, the cutters 63 can be meshed with the half-cycle gear 64, and the half-cycle gear 64 keeps still, the cutter box 61 and the cutter 63 continue to rotate by taking the axle center of the half-cycle gear 64 as the center of a circle, the cutter 63 can be acted by the half-cycle gear 64 to extend out of the cutter box 61, the larger the rotation degree is between 90 degrees and 180 degrees, the longer the cutter 63 extends out, after the angle exceeds 180 degrees, the cutter 63 and the half-cycle gear 64 are disengaged, when the cutter 63 is not influenced by external resistance, the cutter 63 can be pulled back into the cutter box 61 under the influence of tensile force generated by the deformation of the spring 66, so that the cutter 63 can be in the cutter retracting state from 180 degrees to 0 degrees and from 0 degrees to 90 degrees in the cutter box 61 again, when the cutter box 61 is in the soil entering state with the cutter 63, the length of the cutter 63 exposed out of the main bracket 1 is the shortest, the soil entering resistance is reduced to the greatest extent, and when the cutter 63 is in 180 degrees, the length of the main bracket 1 exposed out of the main bracket is the longest state, and the cutter 63 is completely inserted into the soil, ensuring that the soil turning depth is not influenced; through the working steps, the cutter 63 can move along the length direction of the cutter in the process of rotationally cutting soil, and then the cut soil is stirred, so that the soil cutting effect is better.

Further, the one end that sword box 61 deviates from lid 62 passes through bolt and mounting panel fixed connection, and this design conveniently changes different kinds of sword subassembly 6 that loosens the soil and links to each other with linking up seat 5.

Further, in order to ensure the connection stability and the motion stability of the cutter 63 and the cutter box 61, a holder 67 for guiding the cutter 63 is arranged in the cutter box 61, the middle of the holder 67 is hollowed, the half-cycle gear 64 penetrates through the hollowed part of the holder 67, sliding grooves are formed in two sides of the holder 67, the two sliding grooves are oppositely and alternately distributed, the two cutters 63 are respectively in sliding connection with the two sliding grooves, and the cutter 63 can stably slide in the cutter box 61.

The working principle is as follows: during the use, at first guarantee that single cylinder diesel 2 is in there is the oil state, arouse single cylinder diesel 2 again, provide power for two-way output speed reducer 3 through single cylinder diesel 2, make two-way output speed reducer 3 again through universal driving medium 4 with join in marriage joint seat 5 drive ripper blade subassembly 6 anticlockwise rotation, when ripper blade subassembly 6 is rotatory, let the soil that cutter 63 turned, realize loosening the soil.

The user can hold the hand-held rack to push the portable forestry scarifier to move for operation.

When unilateral soil loosening or soil loosening depth adjustment is needed, the electric push rod 11 can be controlled to lift to push and pull the connecting frame 10 to adjust the height, so that the bearing sleeve 9 drives the connecting seat 5 to lift, the higher the lifting of the connecting seat 5 is, the farther the soil loosening blade assembly 6 is away from the ground, the shallower the soil loosening depth is, and otherwise, the deeper the soil loosening depth is.

Example two:

on the basis of the first embodiment, the difference of the second embodiment is that: the quantity of cutter 63 is four, four cutters 63 are crisscross the arranging of groined type, do not influence the receipts sword play of four cutters 63, and simultaneously, increase the quantity of cutter 63, the effect of loosening the soil can further be improved, and, the arc end of two adjacent cutters 63 is reverse distribution, increase the transverse area who digs, when considering cutter 63 outwards to extend simultaneously, the broadside can be contradicted with the soil, the resistance is great, so design into the pyramid shape with the knife face of cutter 63, let the knife face of cutter 63 do benefit to more and cut into in the soil.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a portable forestry loosening tiller, includes base main support (1) and fixes single cylinder diesel (2) on main support (1), bidirectional output speed reducer (3) are installed to the output of single cylinder diesel (2), just bidirectional output speed reducer (3) are fixed in the bottom of main support (1), the both sides of bidirectional output speed reducer (3) all swing joint have universal driving medium (4), its characterized in that: the two sides of the bidirectional output speed reducer (3) are movably connected with connecting seats (5) through universal transmission pieces (4), each connecting seat (5) is provided with a scarifier blade component (6), the ripping blade assembly (6) comprises a blade box (61) and a box cover (62) for sealing the blade box (61), both sides of the knife box (61) are telescopically connected with a knife (63), one end of the knife (63) is arc-shaped, a spring (66) is fixed at the other end of the cutter (63), one end of the spring (66) departing from the cutter (63) is fixedly connected with the inner wall of the cutter box (61), a half-cycle gear (64) is arranged between the two cutters (63), and the two cutters (63) are meshed with a semi-circle gear (64), the semi-circle gear (64) is connected with a fixed rod (65) through a rotating shaft, one end of the fixing rod (65) far away from the box cover (62) is fixedly connected with the main bracket (1).

2. The portable forestry ripper of claim 1, wherein: the side of main support (1) is equipped with handrail subassembly (8), handrail subassembly (8) are by mount and hand rest constitution, and the one end of mount is fixed on main support (1), and the other end and the hand rest of mount rotate to be connected, and hand rest passes through bolt and handrail subassembly (8) fixed connection.

3. The portable forestry ripper of claim 2, wherein: one side that main support (1) and handrail component (8) are adjacent is equipped with support wheelset (7), support wheelset (7) comprise gyro wheel support and gyro wheel, and the one end of gyro wheel support is fixed on main support (1), and the other end of gyro wheel support rotates through pivot and gyro wheel to be connected.

4. The portable forestry ripper of claim 1, wherein: universal driving spare (4) comprise first universal joint (41) and second universal joint (42), the one end of first universal joint (41) rotates with the output of two-way output speed reducer (3) to be connected, the other end of first universal joint (41) rotates with the one end of second universal joint (42) to be connected, it comprises mounting panel and the connecting axle of fixing in mounting panel axle center department to link up seat (5), the other end and the connecting axle of second universal joint (42) rotate to be connected.

5. The portable forestry ripper of claim 4, wherein: be equipped with height adjustment mechanism on the connecting axle, height adjustment mechanism comprises bearing housing (9), linking frame (10) and electric push rod (11), bearing housing (9) are rotated with the connecting axle through the bearing and are connected, the one end and the bearing housing (9) sliding connection that link up frame (10), link up the other end of frame (10) and the output fixed connection of electric push rod (11), electric push rod (11) are fixed on main support (1).

6. The portable forestry ripper of claim 4, wherein: one end of the knife box (61) departing from the box cover (62) is fixedly connected with the mounting plate through a bolt.

7. The portable forestry ripper of claim 1, wherein: be provided with holder (67) in knife box (61), the middle part fretwork of holder (67), half cycle gear (64) run through the fretwork department of holder (67), just the spout has all been seted up to the both sides of holder (67), and two spouts are opposite crisscross distribution, two cutter (63) respectively with two spout sliding connection.

8. The portable forestry ripper of claim 1, wherein: the arc ends of the two cutters (63) are distributed in the opposite direction.

9. The portable forestry ripper of claim 1, wherein: the number of the cutters (63) is four, and the four cutters (63) are arranged in a groined shape.