CN213187212U - A device of beating grass for afforestation - Google Patents

Abstract

The utility model relates to a device of beating grass for afforestation belongs to afforestation instrument field, does not provide following technical scheme to the problem that the part is provided with shelters from and protects to the current grass head of beating the grass machine, the technical essential of this application is including beating the grass head and can driving the drive arrangement of beating grass head cutting motion, drive arrangement with beat and be provided with the action bars between the grass head, the outside cover of beating the grass head is equipped with the protection casing that has one side open-ended, the open end of protection casing sets up towards ground, the protection casing includes fixed semi-ring and movable semi-ring, fixed semi-ring and movable semi-ring cup joint, movable semi-ring and fixed semi-ring sliding connection, be provided with the stop gear that can restrict position between the two between fixed semi-ring and the movable semi-ring. This application has can play the protection to the head of beating the grass of machine of beating the grass, prevents to beat the grass in-process by the stone, the flying out all around of the head splash of beating the grass, the advantage that endangers operator's safety.

Description

A device of beating grass for afforestation

Technical Field

The application relates to an afforestation instrument field, in particular to a grass mowing device for afforestation.

Background

A grass trimmer is a garden tool and is used for trimming lawns. The grass trimmer comprises a grass trimming head. The grass cutting head rotates at a high speed to drive the grass cutting rope arranged on the grass cutting head to rotate so as to realize the grass cutting function.

When using the grass mower to prune the lawn, because the grass cutting head part of current grass mower does not be provided with shelters from and protects for when grass cutting head high-speed rotation cut lawn, the grass leaf after the pruning splashes around easily under the effect of grass cutting head, and the grass leaf that splashes probably fish tail staff, simultaneously, when grass mower is out of work, because grass cutting head is not provided with protector, the staff is hindered by mistake easily.

SUMMERY OF THE UTILITY MODEL

The utility model provides a device of beating grass for afforestation, it has can play the protection to the head of beating the grass of machine of beating the grass, prevents to beat the grass in-process by the stone, the grass tree branch root that the head of beating the grass splashes to fly out all around, endanger operator's advantage safe to prior art exists not enough, the aim at of this application.

The technical purpose of the application is realized by the following technical scheme:

the utility model provides a device of beating grass for afforestation, is including beating the grass head and can driving beat the drive arrangement of grass head cutting motion, be provided with the action bars between drive arrangement and the head of beating grass, the outside cover of beating the grass head is equipped with the protection casing that has one side open-ended, the open end of protection casing sets up towards ground, the protection casing includes fixed semi-ring and activity semi-ring, fixed semi-ring and activity semi-ring cup joint, activity semi-ring and fixed semi-ring sliding connection, be provided with the stop gear that can restrict position between the two between fixed semi-ring and the activity semi-ring.

Through adopting above-mentioned technical scheme, the outside through beating the grass head sets up the protection casing, when using the device during operation of beating the grass, control activity semi-ring slides along fixed semi-ring, make activity semi-ring and fixed semi-ring enclose into the die cavity that has one side open-ended, can protect beating the grass head when beating the grass head cutting lawn, the grass leaf that is cut avoids splashing everywhere under the effect of sheltering from of protection casing, thereby can play the protection to the head of beating the grass machine, prevent to beat the stone that the in-process was splashed up by the head of beating the grass, grass tree branch root is to flying outside all around, endanger operator's safety.

The application is further configured to: the fixed semi-ring is provided with a sliding cavity along the circumferential direction of the fixed semi-ring, the sliding cavity is provided with a through hole at the opening end of the sliding cavity, the through hole is used for the movable semi-ring to pass through, and the movable semi-ring is provided with a limiting bulge for preventing the movable semi-ring from being separated.

Through adopting above-mentioned technical scheme, be convenient for realize activity semi-ring and fixed semi-ring sliding connection.

The application is further configured to: the movable half rings are two and are arranged oppositely, when the end parts of the two movable half rings are mutually abutted, the two movable half rings and the fixed half rings form a cavity with an opening at one side, and the grass mowing head is arranged in the cavity.

Through adopting above-mentioned technical scheme, enclose synthetic whole protection casing through two activity semi-rings and fixed semi-ring, when the activity semi-ring is accomodate in the inside of fixed semi-ring, increase the distance between the fixed semi-ring both ends to the increase is convenient for realize the maintenance to the head of beating grass to the maintenance space of head of beating grass.

The application is further configured to: the limiting mechanism comprises a first connecting plate and two second connecting plates, the first connecting plate is arranged on the movable half ring, the second connecting plates are fixedly arranged on the fixed half ring, the two second connecting plates are respectively arranged at two ends of the fixed half ring, the first connecting plate and the second connecting plate are arranged in parallel, and the first connecting plate and the second connecting plate are fixedly connected through a fixing component.

Through adopting above-mentioned technical scheme, the gliding in-process of activity semi-ring drives first connecting plate and removes simultaneously, when first connecting plate move to with the second connecting plate butt, connects first connecting plate and second connecting plate through fixed subassembly, realizes prescribing a limit to the position between activity semi-ring and the fixed semi-ring to can keep the protection state of protection casing to the head of beating grass.

The application is further configured to: the fixing assembly comprises a connecting bolt, threaded holes are formed in the first connecting plate and the second connecting plate, and the connecting bolt penetrates through the threaded holes and is connected with a connecting nut in a threaded manner.

Through adopting above-mentioned technical scheme, easy operation, it is convenient to connect for fixed connection between first connecting plate and the second connecting plate is more stable.

The application is further configured to: the protective cover and the operating rod are detachably connected through a connecting assembly.

Through adopting above-mentioned technical scheme, be convenient for realize the change to the protection casing.

The application is further configured to: coupling assembling sets firmly in the locating piece of action bars and sets firmly in the connecting block of protection casing, the one end that the protection casing was kept away from to the connecting block has the grafting piece to the lateral buckling that is close to the locating piece, the locating piece is seted up and is supplied grafting piece male inserting groove, the locating piece is provided with the setting element that prevents the grafting piece and deviate from.

By adopting the technical scheme, during installation, the protective cover is moved to one side close to the operating rod, so that the inserting block is inserted into the inserting groove, the position of the inserting block is limited by the positioning piece, the fixed connection between the inserting block and the positioning block is realized, and the fixed connection between the protective cover and the operating rod is realized.

The application is further configured to: the plug-in block sets up to the one side slope that is close to the protection casing from last down.

By adopting the technical scheme, the connection strength between the plug-in block and the positioning block is increased, and the plug-in block is prevented from reversely dropping out of the plug-in groove.

The application is further configured to: the protective cover is made of transparent materials.

By adopting the technical scheme, the trimming effect can be observed conveniently, and the trimming quality can be further ensured.

In summary, the present application has the following beneficial effects:

firstly, a protective cover with an opening at one side is formed by enclosing a movable half ring and a fixed half ring, so that the grass cutting head can be protected when the grass cutting head cuts a lawn, and stones and grass tree branches and roots splashed by the grass cutting head in the grass cutting process are prevented from flying out to the periphery, so that the safety of an operator is endangered;

secondly, the movable half ring is connected with the fixed half ring in a sliding manner, so that the movable half ring can be conveniently moved to the inner part of the fixed half ring, when the movable half ring is accommodated in the inner part of the fixed half ring, the maintenance space for the grass cutting head is enlarged, the grass cutting head does not need to be maintained from the opening of the protective cover, and the operation is convenient;

and thirdly, the protection cover and the operating rod are detachably connected, so that the protection cover is convenient to replace.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a partial schematic structural view of the embodiment of the present application in which the protection cover completely covers the exterior of the grass-mowing head;

FIG. 3 is a partial exploded view of FIG. 2;

fig. 4 is an enlarged view of a portion a in fig. 3.

In the figure, 11, the grass-mowing head; 12. a drive device; 13. an operating lever; 131. an operating handle; 2. a protective cover; 21. a stationary half ring; 211. a top plate; 212. blocking edges; 213. a sliding cavity; 22. a movable half ring; 221. a horizontal portion; 222. a bending section; 223. a limiting bulge; 3. a limiting mechanism; 31. a first connecting plate; 32. a second connecting plate; 33. a fixing assembly; 331. a connecting bolt; 332. a connecting nut; 4. a connecting assembly; 41. connecting blocks; 411. an insertion block; 42. positioning blocks; 43. and tightly pushing the bolt.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

Referring to fig. 1, for the grass cutting device for afforestation that this application discloses, including grass cutting head 11, can drive grass cutting head 11 carry out cutting motion's drive arrangement 12, be used for removing the action bars 13 of grass cutting head 11, drive arrangement 12 is the internal-combustion engine, and the output shaft of internal-combustion engine and grass cutting head 11 coaxial rotation start the internal-combustion engine, and the internal-combustion engine can drive grass cutting head 11 high-speed rotation, when grass cutting head 11 and lawn contact, realizes the pruning to the lawn.

The operating rod 13 is fixedly arranged between the output shaft of the internal combustion engine and the grass cutting head 11. The operating rod 13 may be a straight rod with a fixed length, or may be a telescopic straight rod, and the embodiment takes the straight rod with a fixed length as an example. The operating rod 13 is fixedly provided with an operating handle 131 at the middle part, when in use, an operator stands at one side of the internal combustion engine, fixes the operating rod 13 close to one side of the internal combustion engine and the waist of the operator, and then the operator holds the operating handle 131 to realize the movement of the grass mowing device.

Referring to fig. 2, one side of the operating rod 13 close to the grass cutting head 11 is provided with a protective cover 2, and the protective cover 2 is made of transparent materials, so that the trimming effect can be observed conveniently, and the trimming quality can be ensured.

Referring to fig. 2, the shield 2 includes a stationary half ring 21 and a movable half ring 22. The fixed half ring 21 comprises a top plate 211 which is horizontally arranged, the top plate 211 is circularly arranged, and the circle center of the top plate 211 and the rotation center of the grass mowing head 11 are positioned on the same straight line. The edge welding of roof 211 lower surface has flange 212, and flange 212 is the annular setting, and flange 212 and roof 211 constitute holistic cross-section and be the L type setting, and the open end of L type is towards grass-mowing head 11.

Movable half 22 includes horizontal part 221 and kink 222, and horizontal part 221 and roof 211 parallel arrangement, kink 222 and flange 212 parallel arrangement, and movable half 22's cross-section is the L type setting, and the open end of L type is towards grass-mowing head 11.

Referring to fig. 3 and 4, stationary half ring 21 is fitted around movable half ring 22, and movable half ring 22 and stationary half ring 21 are slidably coupled. Fixed half ring 21 has seted up along its circumferential direction and has slided chamber 213, and movable half ring 22 is pegged graft in the inside of sliding chamber 213, and fixed half ring 21 is provided with the through-hole that can supply movable half ring 22 to pass in the opening part in sliding chamber 213, and the internal diameter of through-hole is less than the internal diameter in sliding chamber 213, and movable half ring 22's tip integrated into one piece has the spacing arch 223 that prevents movable half ring 22 to deviate from the through-hole, and spacing arch 223 outer wall butt is in the inner wall in sliding chamber 213. When movable half 22 is completely received in sliding cavity 213, the end of movable half 22 away from limiting protrusion 223 seals the through hole of stationary half 21.

Referring to fig. 3 and 4, movable half rings 22 are two, two movable half rings 22 are disposed opposite to each other, two movable half rings 22 can be inserted into sliding cavity 213, and when two movable half rings 22 are completely accommodated in sliding cavity 213, the ends of two movable half rings 22 are abutted to each other in sliding cavity 213. Movable half ring 22 is pulled out along the circumferential direction of sliding cavity 213, when the ends of two movable half rings 22 outside sliding cavity 213 are mutually abutted, two movable half rings 22 and fixed half ring 21 enclose an annular cavity with a lower end opening, the open end of the annular cavity faces the ground, grass mowing head 11 is installed inside the annular cavity, and when grass mowing head 11 rotates at a high speed, movable half ring 22 and fixed half ring 21 form a whole body which can protect grass mowing head 11.

Referring to fig. 3 and 4, a stopper mechanism 3 capable of limiting a position between stationary half ring 21 and movable half ring 22 is provided therebetween. Stop gear 3 includes first connecting plate 31 and second connecting plate 32, and first connecting plate 31 and second connecting plate 32 are parallel and relative setting, and first connecting plate 31 and second connecting plate 32 all are vertical setting.

First connecting plate 31 is fixedly installed at the edge of the upper surface of movable half 22, and first connecting plate 31 and limiting protrusion 223 are respectively disposed at two ends of movable half 22. Second connecting plate 32 is welded at the edge of the upper surface of stationary half ring 21, two second connecting plates 32 are provided, two second connecting plates 32 are respectively provided at the openings at the two ends of stationary half ring 21, and when movable half ring 22 is received in the interior of sliding cavity 213, first connecting plate 31 and second connecting plates 32 are attached to each other.

When movable half 22 is accommodated inside slide movement chamber 213, stationary member 33 for limiting the position between movable half 22 and stationary half 21 is provided therebetween. The fixing component 33 comprises a connecting bolt 331, both the first connecting plate 31 and the second connecting plate 32 are provided with threaded holes, and the end part of the connecting bolt 331 penetrates through the two threaded holes and then is in threaded connection with a connecting nut 332, so that the first connecting plate 31 and the second connecting plate 32 are fixedly connected.

The number of first coupling plates 31 is equal to the number of movable half rings 22. When two movable half rings 22 are drawn out of the sliding cavity 213, the ends of the two movable half rings 22 far away from the limiting protrusion 223 are abutted with each other, the two first connecting plates 31 are abutted with each other, the end of the connecting bolt 331 penetrates through the threaded holes of the two first connecting plates 31 and is in threaded connection with the connecting nut 332, so that the two first connecting plates 31 are fixedly connected, and the two movable half rings 22 and the fixed half ring 21 enclose the whole protective cover 2.

Referring to fig. 3 and 4, the shield 2 and the operating rod 13 are detachably connected by a connecting assembly 4. The coupling assembly 4 includes a coupling block 41 welded to the upper surface of the stationary half ring 21 and a positioning block 42 welded to the outer wall of the operating lever 13. The positioning block 42 is provided along the axial direction of the operating lever 13. Connecting block 41 is vertical setting, and the one end that protection casing 2 was kept away from to connecting block 41 has the grafting piece 411 to the one side bending that is close to locating piece 42, and the grafting piece 411 sets up to the one side slope that is close to protection casing 2 from last extremely down.

Locating piece 42 has seted up along its axis direction and has supplied grafting piece 411 male inserting groove, the open end of inserting groove is towards the grafting piece 411, during the installation, to peg graft the grafting piece 411 in the inside of inserting groove, locating piece 42 is provided with the setting element that prevents the grafting piece 411 and deviate from, the setting element is puller bolt 43, the tip of puller bolt 43 extends to the inside of inserting groove, and the tip butt of puller bolt 43 is in the outer wall of inserting block 411, thereby realize prescribing a limit to the position of grafting piece 411.

The implementation principle of the embodiment is as follows: moving the stationary half ring 21 to one side close to the operating rod 13, placing the stationary half ring 21 right above the grass cutting head 11, driving the inserting block 411 to be inserted into the inserting groove by the stationary half ring 21 in the process of moving the stationary half ring 21, and then tightly ejecting the inserting block 411 by the ejecting bolt 43 to realize the fixed connection between the stationary half ring 21 and the operating rod 13; then, the connection between the connecting nut 332 and the connecting bolt 331 is released, and the two movable half rings 22 are pulled outwards at the same time, so that the two movable half rings 22 can move along the circumferential direction of the fixed half ring 21, when the ends of the two movable half rings 22 far away from the limiting protrusion 223 are abutted against each other, the two first connecting plates 31 are connected through the connecting bolt 331, so that the fixed connection between the two first connecting plates 31 is realized, the two movable half rings 22 and the fixed half ring 21 enclose the whole protective cover 2, and the grass cutting head 11 is enclosed inside the protective cover 2, so that the grass cutting head 11 is shielded; and then starting the internal combustion engine, wherein the internal combustion engine can drive the grass cutting head 11 to rotate at a high speed, and when the grass cutting head 11 is contacted with the lawn, the lawn is cut.

In the process of pruning, the protection casing 2 covers all the time and establishes in the outside of beating grass head 11, and protection casing 2 can protect beating grass head 11 when beating grass head 11 cutting lawn, prevents to beat the grass in-process by the stone, the grass tree branch root that beat grass head 11 splashes to fly out all around, endangers operator's safety.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (9)

1. The utility model provides a device of beating grass for afforestation, includes grass beating head (11) and can drive arrangement (12) of grass beating head (11) cutting motion, be provided with action bars (13) between drive arrangement (12) and grass beating head (11), characterized in that, grass beating head's (11) outside cover is equipped with protection casing (2) that have one side open-ended, the open end of protection casing (2) sets up towards ground, protection casing (2) are including fixed semi-ring (21) and movable semi-ring (22), fixed semi-ring (21) and movable semi-ring (22) cup joint, movable semi-ring (22) and fixed semi-ring (21) sliding connection, be provided with between fixed semi-ring (21) and the movable semi-ring (22) and restrict position between the two stop gear (3).

2. A grass cutting device for landscaping according to claim 1, wherein the stationary half ring (21) is formed with a sliding cavity (213) along its circumferential direction, the sliding cavity (213) is formed with a through hole at its open end for the movable half ring (22) to pass through, and the movable half ring (22) is provided with a stopper protrusion (223) for preventing the movable half ring (22) from coming off.

3. A grass cutting device for landscaping according to claim 1, wherein there are two movable half rings (22), the two movable half rings (22) are disposed opposite to each other, when the ends of the two movable half rings (22) abut against each other, the two movable half rings (22) and the fixed half ring (21) enclose a cavity with one side open, and the grass cutting head (11) is disposed inside the cavity.

4. A grass cutting device for landscaping according to claim 1, wherein the limiting mechanism (3) comprises a first connecting plate (31) fixed to the movable half ring (22) and a second connecting plate (32) fixed to the fixed half ring (21), the number of the second connecting plates (32) is two, the two second connecting plates (32) are respectively arranged at two ends of the fixed half ring (21), the first connecting plate (31) and the second connecting plate (32) are arranged in parallel, and the first connecting plate (31) and the second connecting plate (32) are fixedly connected through a fixing component (33).

5. A grass mowing device for garden greening according to claim 4, wherein the fixing component (33) comprises a connecting bolt (331), the first connecting plate (31) and the second connecting plate (32) are both provided with threaded holes, and a connecting nut (332) is screwed on the connecting bolt (331) after penetrating through the threaded holes.

6. A grass cutting device for landscaping as claimed in claim 1, wherein the hood (2) and lever (13) are removably connected by a connection assembly (4).

7. A grass mowing device for garden greening according to claim 6, wherein the connecting assembly (4) comprises a positioning block (42) fixedly arranged on the operating rod (13) and a connecting block (41) fixedly arranged on the protective cover (2), one end, far away from the protective cover (2), of the connecting block (41) is bent towards one side close to the positioning block (42) to form an insertion block (411), the positioning block (42) is provided with an insertion groove for inserting the insertion block (411), and the positioning block (42) is provided with a positioning piece for preventing the insertion block (411) from falling off.

8. A grass cutting device for landscaping according to claim 7, wherein the insert block (411) is inclined from top to bottom to a side close to the hood (2).

9. A grass cutting device for landscaping as claimed in claim 1, wherein the hood (2) is made of a transparent material.

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