CN209824690U - Height adjusting device and auxiliary braking steering device of mulberry cutting machine - Google Patents
Height adjusting device and auxiliary braking steering device of mulberry cutting machine Download PDFInfo
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- CN209824690U CN209824690U CN201920595235.8U CN201920595235U CN209824690U CN 209824690 U CN209824690 U CN 209824690U CN 201920595235 U CN201920595235 U CN 201920595235U CN 209824690 U CN209824690 U CN 209824690U
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Abstract
The utility model relates to a cut mulberry machine height adjusting device and auxiliary brake and turn to device, height adjusting device include with the supporting beam of reducing gear box shell rigid coupling, and with supporting beam rigid coupling last lead screw backup pad and bottom plate, the bottom plate cover is established in the pivot, it has the lead screw fixed block to peg graft in the lead screw backup pad, wears to be equipped with the lead screw on the lead screw fixed block, is equipped with the spacing platform that is located lead screw fixed block both sides on the lead screw, and threaded portion on the lead screw has the nut piece through threaded connection, on the wheel backup pad rigid coupling have with the lower lead screw backup pad of nut piece coupling. The utility model can adjust the vertical distance between the walking part and the ground by adjusting the lead screw, and can lead the walking part and the cutting knife of the cutting table to reach the proper working state by matching with the height adjustment of the front wheel of the cutting table; the auxiliary brake steering device is matched with the reduction gearbox with the differential mechanism to realize easy steering, so that the labor consumption is greatly reduced, and the machine can better assist people to complete work.
Description
Technical Field
The utility model relates to agricultural machinery especially involves a cut mulberry machine height adjusting device and supplementary brake and turn to device with equipping the field.
Background
The silkworm industry has been 5500 years old as the traditional characteristic industry in China. According to statistics, the area of the national mulberry field in 2017 is 1183.1 ten thousand mu. The mulberry industry is rapidly developed, and the breeding of mulberry silkworms becomes the door of leading farmers to become rich. Mulberry farmers need to manually cut down mulberry stems in summer and winter every year, so that a large amount of manpower and material resources are consumed, and the working efficiency is very low. In addition, the mulberry should be cut as close as possible to the root of the mulberry. The height of the existing mulberry cutting machine cannot be adjusted, the requirement that the cut part needs to be close to the proper position of the root of a mulberry tree cannot be met, the turning still needs manpower, and the labor intensity is high.
Disclosure of Invention
The utility model discloses to prior art's not enough, provide a cut mulberry machine height adjusting device and supplementary brake and turn to device, solved the root that is close to the mulberry and cut the problem of mulberry, improved work efficiency when having reduced manpower consumption moreover.
The utility model is realized by the following technical scheme, a mulberry cutting machine height adjusting device and an auxiliary brake steering device are provided, a power output shaft of the mulberry cutting machine is connected with a rotating shaft through a reduction gearbox, the rotating shaft is connected with a wheel supporting plate through a bearing, and the wheel supporting plate is provided with a walking wheel in transmission connection with the rotating shaft; the height adjusting device comprises a supporting beam fixedly connected with a shell of the reduction gearbox, and an upper screw supporting plate and a lower fixing plate fixedly connected with the supporting beam, wherein the lower fixing plate is sleeved on the rotating shaft, a screw fixing block is axially connected with the upper screw supporting plate, a screw rod penetrates through the screw rod fixing block, limiting platforms positioned on two sides of the screw rod fixing block are arranged on the screw rod, a threaded part on the screw rod is connected with a nut block through threads, and a lower screw supporting plate axially connected with the nut block is fixedly connected on the wheel supporting plate.
According to the scheme, the power output by the power output shaft of the mulberry cutting machine is transmitted to the rotating shaft through the reduction gearbox, and the rotating shaft drives the travelling wheels to rotate when rotating, so that the equipment travels; the lower fixing plate is sleeved on the rotating shaft and can rotate around the rotating shaft, when the lead screw is rotated, the lead screw cannot generate axial displacement due to the arrangement of the limiting table, the nut is enabled to generate displacement along the axial direction of the lead screw through the thread action between the lead screw and the nut, so that the wheel supporting plate is driven to rotate around the rotating shaft through the lower lead screw supporting plate, the supporting height of the travelling wheel is changed, and the purpose of height adjustment is achieved; the nut and the lower screw supporting plate and the screw fixing block and the upper screw supporting plate are connected through shafts, so that the nut and the screw fixing block can rotate, and interference caused by rotation of the screw is avoided.
As an optimization, the supporting beam is fixedly connected with the upper lead screw supporting plate through the upper fixing plate, the upper lead screw supporting plate comprises two side plates which are respectively located on two sides of the lead screw fixing block and are in shaft connection with the lead screw fixing block, the side plates are connected with the upper fixing plate through bolts, a center hole and a plurality of adjusting holes for bolts to penetrate are formed in the upper fixing plate, the adjusting holes are located on an arc which takes the center of the center hole as the center of a circle, and bolt holes corresponding to the center hole and the adjusting holes are formed in the side plates. The included angle between the upper lead screw supporting plate and the upper fixing plate can be adjusted by the arrangement of the optimization scheme, so that the adjustment range of the height can be adjusted, one bolt hole is opposite to the central hole, the included angle between the upper lead screw supporting plate and the upper fixing plate is changed when the other bolt hole is opposite to different adjusting holes, and after adjustment, the upper lead screw supporting plate and the upper fixing plate are fixed relatively through bolt fastening.
Preferably, the wheel supporting plates are two and are respectively positioned on two sides of the walking wheel. This optimization scheme sets up the wheel backup pad into two, has improved the stability of walking wheel and the structural strength of walking wheel installation carrier.
And as optimization, two lower screw rod supporting plates fixedly connected with the two wheel supporting plates are fixedly connected through reinforcing rods. This optimization scheme passes through the stiffener with two-wheeled backup pad rigid coupling as an organic whole, has improved structural strength, avoids appearing warping when altitude mixture control.
Preferably, an output shaft of the reduction gearbox is fixedly connected with a shaft sleeve, the shaft sleeve is connected with a cross universal coupling through a pin shaft, the cross universal coupling is fixedly connected with the rotating shaft, and the shaft sleeve is provided with a plurality of pin shaft holes distributed along the axial direction. This optimization scheme is through setting up axle sleeve and cross universal joint, has reduced the length of pivot, has reduceed the processing and the assembly degree of difficulty, wears to establish the round pin axle and realizes being connected of axle sleeve and cross universal joint in the round pin shaft hole, through rotatory different round pin shaft holes, can realize the difference of two walking wheel intervals, satisfies the operation requirement of different plant spacing.
Preferably, the auxiliary braking and steering device comprises a flange fixedly connected with the shaft sleeve, a brake pad fixedly connected with the flange and a brake fixedly connected with the shell of the reduction gearbox, and the two shaft sleeves are respectively positioned at two sides of the reduction gearbox. This optimization scheme passes through the ring flange and fixes brake block and axle sleeve relatively, realizes the restriction of axle sleeve pivoted through the contact of ware of stopping to the brake block to realize the brake, if make one of them axle sleeve stall, another axle sleeve normally rotates, can accomplish and turn to, greatly reduced intensity of labour.
Preferably, the flange is fixedly connected with the shaft sleeve through a positioning pin penetrating into the shaft sleeve, and the shaft sleeve is provided with a plurality of positioning pin holes distributed along the axial direction. This optimization scheme passes through the locating pin and wears to establish the rigid coupling that realizes ring flange and axle sleeve in the locating pin hole, and the accessible selects different locating pin holes to realize the adjustment of ware and brake block relative position of stopping to guarantee the reliability of braking.
As optimization, an adjusting handle is arranged on the screw rod in a penetrating mode. This optimization scheme is convenient through setting up the regulation handle and is rotated the lead screw, is favorable to improving altitude mixture control's efficiency.
As optimization, an outer sleeve which is vertically arranged is fixedly connected to a cutting rack of the mulberry cutting machine, an inner sleeve is connected to the outer sleeve in a sliding mode, a front wheel is installed at the lower end of the inner sleeve, a plurality of through holes which are arranged in the vertical direction are formed in the outer sleeve and the inner sleeve respectively, and an adjusting pin shaft penetrates through the through holes. This optimization scheme realizes the adjustment of front wheel height through the slip of interior sleeve pipe in the outer tube to realized the independent adjustment of header height, also can realize altitude mixture control jointly with the walking wheel, realized the relative fixation of outer tube and interior sleeve pipe position through the adjustment round pin axle, through wearing to establish the adjustment round pin axle in the through-hole of co-altitude, can realize the fixed of header height.
Preferably, a driving chain wheel is fixedly arranged on the rotating shaft, a driven chain wheel connected with the driving chain wheel through a chain is fixedly arranged on a wheel shaft of the travelling wheel, and a tensioning chain wheel meshed with the chain is arranged on the wheel supporting plate. The power that this optimization scheme transmitted the reducing gear box is passed to the walking wheel through chain drive, has improved the reliability of biography power, satisfies the walking requirement in the mulberry field.
The utility model has the advantages that: the vertical distance between the walking part and the ground can be adjusted by adjusting the lead screw, and the walking part and the header cutter can reach a proper working state by matching with the height adjustment of the header front wheel; the auxiliary brake steering device is matched with a reduction gearbox with a differential mechanism to realize easy steering, so that the labor consumption is greatly reduced, and the machine can better assist people to complete work; the device compact structure has simple structure, easily installation and maintenance, safe and reliable's characteristics, can use on many similar agricultural machines, has better practicality and popularization prospect.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view taken at I in FIG. 1;
FIG. 3 is an enlarged view taken at II in FIG. 1;
fig. 4 is a side view of the present invention;
shown in the figure:
1. the reinforcing rod, 2, lower screw supporting plate, 3, bottom plate, 4, nut piece, 5, lead screw, 6, lead screw fixed block, 7, adjust the handle, 8, go up the lead screw supporting plate, 9, top plate, 10, driving sprocket, 11, pivot, 12, tensioning sprocket, 13, wheel backup pad, 14, chain, 15, the shaft of walking wheel, 16, driven sprocket, 17, the walking wheel, 18, a supporting beam, 19, cross universal joint, 20, axle sleeve, 21, the ware of stopping, 22, the brake block, 23, the front wheel.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
As shown in fig. 1, the height adjusting device and the auxiliary braking steering device of the mulberry cutting machine in the embodiment comprise a walking part and a header, wherein the walking part comprises a reduction gearbox and a walking wheel, and the header adopts the prior art. The power output shaft of the mulberry cutting machine is connected with a reduction gearbox with a differential mechanism, the reduction gearbox is provided with two output shafts, the two output shafts are respectively positioned on two sides of the reduction gearbox, the two output shafts of the reduction gearbox are respectively and fixedly connected with a shaft sleeve 20, the shaft sleeve 20 is connected with a cross universal coupling 19 through a pin shaft, the cross universal coupling 19 is fixedly connected with a rotating shaft 11, and the shaft sleeve is provided with a plurality of pin shaft holes which are distributed along the axial direction and are matched with the pin shaft. Establish respectively through the bearing housing in the pivot of both sides and be connected with wheel backup pad 13, install the walking wheel 17 of being connected with the pivot transmission in the wheel backup pad 13, the wheel backup pad 13 of this embodiment is two, is located the both sides of walking wheel 17 respectively, and the tire of walking wheel for having the non-skid stud. The transmission connection means that a driving chain wheel 10 is fixedly arranged on a rotating shaft, a driven chain wheel 16 connected with the driving chain wheel through a chain 14 is fixedly arranged on a wheel shaft 15 of a walking wheel, and a tensioning chain wheel 12 meshed with the chain is arranged on a wheel supporting plate.
The height adjusting device comprises a supporting beam 18 fixedly connected with the shell of the reduction gearbox, an upper lead screw supporting plate 8 and a lower fixing plate 3 fixedly connected with the supporting beam 18, the two supporting beams are respectively positioned at the two sides of the reduction gearbox, and the supporting beams are parallel to the shaft sleeve. The 3 covers of bottom plate are established in the pivot, it has lead screw fixed block 6 to peg graft on the lead screw backup pad 8, wear to be equipped with lead screw 5 on the lead screw fixed block 6, is equipped with the spacing platform that is located lead screw fixed block both sides on the lead screw 5, and threaded portion on the lead screw has nut piece 4 through threaded connection, the rigid coupling has on the wheel backup pad 13 with the lower lead screw backup pad 2 of nut piece 4 coupling, and it is as an organic whole through 1 rigid coupling of stiffener 1 between two lower lead screw backup pads 2. In order to facilitate the rotation, an adjusting handle 7 is arranged on the screw rod in a penetrating way.
A supporting beam 18 is fixedly connected with an upper screw supporting plate 8 through an upper fixing plate 9, the upper screw supporting plate 8 comprises two side plates which are respectively positioned on two sides of a screw fixing block 6 and are in shaft connection with the screw fixing block, the side plates are connected with the upper fixing plate through bolts, a center hole and a plurality of adjusting holes through which bolts pass are formed in the upper fixing plate, the adjusting holes are positioned on an arc which takes the center of the center hole as the center of a circle, and bolt holes corresponding to the center hole and the adjusting holes are formed in the side plates.
The upper fixed plate is located a supporting beam top, and the bottom plate is located a supporting beam below, and upper fixed plate and bottom plate all pass through bolt and a supporting beam rigid coupling, set up a plurality of bolt holes that distribute along length direction on the supporting beam, make upper fixed plate and bottom plate can follow a supporting beam length direction and remove, further increase the control range of two walking wheel pitches.
The auxiliary braking and steering device comprises a flange fixedly connected with the shaft sleeve, a brake pad 22 fixedly connected with the flange, and a brake 21 fixedly connected with the shell of the reduction gearbox. The flange plate is fixedly connected with the shaft sleeve through a positioning pin penetrating into the shaft sleeve, and a plurality of positioning pin holes distributed along the axial direction are formed in the shaft sleeve.
The cutting rack of the mulberry cutting machine is fixedly connected with an outer sleeve which is vertically arranged, the outer sleeve is connected with an inner sleeve in a sliding mode, the lower end of the inner sleeve is provided with a front wheel 23, a plurality of through holes which are arranged in the vertical direction are formed in the outer sleeve and the inner sleeve respectively, and an adjusting pin shaft is arranged in each through hole in a penetrating mode.
During the use, altitude mixture control realizes the height adjustment through rotating adjustment handle 7, goes to the height of adjusting the header through the height of adjusting the front wheel, makes walking part and header cutting knife reach suitable operating condition. The brake pad is contacted with the brake, so that the walking wheel at one end loses power, the walking wheel at the other end is in a normal rotating state, the steering is completed, the brake pad is separated from the brake, the two walking wheels recover power, and the normal straight-moving working state is achieved.
The height-adjustable mulberry field is compact in structure, capable of meeting the functional requirements of height adjustment and adapting to different ridge height mulberry field environments, simple in structure, easy to install and maintain, safe and reliable and the like, and has good practicability and popularization prospects.
Of course, the above description is not limited to the above examples, and technical features of the present invention that are not described in the present application may be implemented by or using the prior art, and are not described herein again; the above embodiments and drawings are only used for illustrating the technical solutions of the present invention and are not intended to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention should also belong to the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides a cut mulberry machine height adjusting device and auxiliary brake and turn to device which characterized in that: the power output shaft of the mulberry cutting machine is connected with a rotating shaft (11) through a reduction gearbox, the rotating shaft is connected with a wheel supporting plate (13) through a bearing, and a traveling wheel (17) in transmission connection with the rotating shaft is mounted on the wheel supporting plate (13);
the height adjusting device comprises a supporting beam (18) fixedly connected with a shell of the reduction gearbox, and an upper screw supporting plate (8) and a lower fixing plate (3) fixedly connected with the supporting beam (18), wherein the lower fixing plate (3) is sleeved on the rotating shaft, a screw fixing block (6) is axially connected to the upper screw supporting plate (8), a lead screw (5) is arranged on the screw fixing block (6) in a penetrating mode, limiting platforms located on two sides of the screw fixing block are arranged on the lead screw (5), a threaded part on the lead screw is connected with a nut block (4) through threads, and a lower screw supporting plate (2) axially connected with the nut block (4) is fixedly connected to a wheel supporting plate (13).
2. The height adjusting device and the auxiliary braking and steering device of the mulberry cutting machine according to claim 1, wherein: the supporting beam (18) is fixedly connected with an upper lead screw supporting plate (8) through an upper fixing plate (9), the upper lead screw supporting plate (8) comprises two side plates which are respectively located on two sides of a lead screw fixing block (6) and connected with the lead screw fixing block in a shaft mode, the side plates are connected with the upper fixing plate through bolts, a center hole and a plurality of adjusting holes for bolts to penetrate are formed in the upper fixing plate, the adjusting holes are located on an arc which takes the center of a circle of the center hole as the center of a circle, and bolt holes corresponding to the center hole and the adjusting holes are formed in the side plates.
3. The height adjusting device and the auxiliary braking and steering device of the mulberry cutting machine according to claim 1, wherein: the wheel supporting plates (13) are two and are respectively positioned at two sides of the travelling wheels (17).
4. The height adjusting device and the auxiliary braking and steering device of the mulberry cutting machine as claimed in claim 3, wherein: two lower screw rod supporting plates (2) which are respectively fixedly connected with the two wheel supporting plates are fixedly connected through a reinforcing rod (1).
5. The height adjusting device and the auxiliary braking and steering device of the mulberry cutting machine according to claim 1, wherein: an output shaft of the reduction gearbox is fixedly connected with a shaft sleeve (20), the shaft sleeve (20) is connected with a cross universal coupling (19) through a pin shaft, the cross universal coupling (19) is fixedly connected with the rotating shaft (11), and the shaft sleeve is provided with a plurality of pin shaft holes distributed along the axial direction.
6. The height adjusting device and the auxiliary braking and steering device of the mulberry cutting machine as claimed in claim 5, wherein: the auxiliary braking steering device comprises a flange fixedly connected with the shaft sleeve, a brake pad (22) fixedly connected with the flange and a brake (21) fixedly connected with the shell of the reduction gearbox.
7. The height adjusting device and the auxiliary braking and steering device of the mulberry cutting machine as claimed in claim 6, wherein: the flange plate is fixedly connected with the shaft sleeve through a positioning pin penetrating into the shaft sleeve, and a plurality of positioning pin holes distributed along the axial direction are formed in the shaft sleeve.
8. The height adjusting device and the auxiliary braking and steering device of the mulberry cutting machine according to claim 1, wherein: an adjusting handle (7) is arranged on the screw rod in a penetrating way.
9. The height adjusting device and the auxiliary braking and steering device of the mulberry cutting machine according to claim 1, wherein: the outer sleeve of vertical setting is fixedly connected to a cutting rack of the mulberry cutting machine, the inner sleeve is connected to the outer sleeve in a sliding mode, a front wheel (23) is installed at the lower end of the inner sleeve, a plurality of through holes arranged in the vertical direction are formed in the outer sleeve and the inner sleeve respectively, and an adjusting pin shaft is arranged in each through hole in a penetrating mode.
10. The height adjusting device and the auxiliary braking and steering device of the mulberry cutting machine according to claim 1, wherein: a driving chain wheel (10) is fixedly arranged on the rotating shaft, a driven chain wheel (16) connected with the driving chain wheel through a chain (14) is fixedly arranged on a wheel shaft (15) of the walking wheel, and a tensioning chain wheel (12) meshed with the chain is arranged on the wheel supporting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920595235.8U CN209824690U (en) | 2019-04-28 | 2019-04-28 | Height adjusting device and auxiliary braking steering device of mulberry cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920595235.8U CN209824690U (en) | 2019-04-28 | 2019-04-28 | Height adjusting device and auxiliary braking steering device of mulberry cutting machine |
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| Publication Number | Publication Date |
|---|---|
| CN209824690U true CN209824690U (en) | 2019-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920595235.8U Active CN209824690U (en) | 2019-04-28 | 2019-04-28 | Height adjusting device and auxiliary braking steering device of mulberry cutting machine |
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| CN (1) | CN209824690U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109964783A (en) * | 2019-04-28 | 2019-07-05 | 山东农业大学 | One kind cutting mulberry machine height adjustment device and auxiliary brake transfer |
| CN115250869A (en) * | 2022-08-05 | 2022-11-01 | 广西壮族自治区蚕业技术推广站 | Mulberry cutting machine |
-
2019
- 2019-04-28 CN CN201920595235.8U patent/CN209824690U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109964783A (en) * | 2019-04-28 | 2019-07-05 | 山东农业大学 | One kind cutting mulberry machine height adjustment device and auxiliary brake transfer |
| CN115250869A (en) * | 2022-08-05 | 2022-11-01 | 广西壮族自治区蚕业技术推广站 | Mulberry cutting machine |
| CN115250869B (en) * | 2022-08-05 | 2024-04-12 | 广西壮族自治区蚕业技术推广站 | Mulberry harvester |
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