CN115783071B

CN115783071B - Adjustable chassis applied to tractor

Info

Publication number: CN115783071B
Application number: CN202310093626.0A
Authority: CN
Inventors: 贾俊杰; 宿礼庆
Original assignee: Shandong Luhong Agricultural Equipment Co ltd
Current assignee: Shandong Luhong Agricultural Equipment Co ltd
Priority date: 2023-02-10
Filing date: 2023-02-10
Publication date: 2023-04-11
Anticipated expiration: 2043-02-10
Also published as: CN115783071A

Abstract

The application discloses chassis with adjustable be applied to tractor, including two connecting plates, two supporting shoes, engine and hydraulic pump, the both ends of connecting plate activity respectively have cup jointed the drive wheel and have followed the driving wheel, the track has been cup jointed in the activity on the connecting plate, the track is connected with the drive wheel and from the driving wheel meshing respectively, fixed the cup joint has the drive shaft in the drive wheel, the activity has cup jointed rotary rod I in the drive shaft, the connecting axle has been cup jointed in the right-hand member activity of rotary rod I. Through the setting of rotary rod I and rotary rod II, make rising telescopic link pull rotary rod II to the left, use the supporting wheel as the fulcrum, rotary rod I drives through the connecting axle and carries out clockwise rotation from the driving wheel, make the right part and the ground contact of track, form the cooperation with the supporting wheel, form the fulcrum, upwards promote the supporting shoe, and then rise the supporting shoe, the completion tractor risees by a wide margin, make the chassis of tractor risee by a wide margin, the use field of extension tractor.

Description

Adjustable chassis applied to tractor

Technical Field

The application relates to the technical field of tractors, in particular to an adjustable chassis applied to a tractor.

Background

The tractor is used for drawing and driving the working machine to finish every self-propelled power machine of portable homework, can also be the power of fixed homework, by the engine, transmit, walk, turn to, hang hydraulically, power take off, electrical apparatus instrument, drive and control and draw etc. system or apparatus make up, the engine power is transmitted to the driving wheel by the drive system, make the tractor travel, at present, the self-propelled tractor used has some deficiency in the course of using, as follows:

in the use process of the self-propelled tractor, the tractor needs to be towed in the front, in the crop planting process, when no plants exist in the ground in the early stage of planting, a certain gap exists between the chassis of the tractor and the ground to meet the requirements of towing and walking, but after crops grow in the later stage, if the tractor needs to be towed, the chassis of the tractor is lower and is easy to collide with the crops to cause the tops of the crops to be damaged or even broken, so that the chassis of the tractor needs to be lifted, but the lifting of the tractor is generally directly carried out through a hydraulic rod at present, the lifting height adjusting range is limited, and effective height adjustment cannot be carried out.

Disclosure of Invention

The application provides a chassis with adjustable be applied to tractor possesses the advantage that can effectively rise chassis height and the effective adjustment is carried out to the wheel base clearance for solve the inconvenient problem of tractor chassis adjustment.

In order to achieve the purpose, the technical scheme is as follows: the utility model provides an adjustable chassis for tractor, includes two connecting plates, two supporting shoes, engine and hydraulic pump, the drive wheel has been cup jointed in the activity respectively at the both ends of connecting plate and from the driving wheel, the track has been cup jointed in the activity on the connecting plate, the track respectively with the drive wheel with from the driving wheel meshing connection, the fixed drive shaft that has cup jointed in the drive shaft, the activity has been cup jointed rotary rod I in the drive shaft, the connecting axle has been cup jointed in the right-hand member activity of rotary rod I, the connecting axle is with from the fixed cup joint of driving wheel, rising telescopic link has been cup jointed through fixed axle activity in the upper surface middle part of rotary rod I, the activity spacing groove has been seted up on the supporting shoe, the inside movable mounting in activity spacing groove has the movable block, the inside of supporting shoe just is located the upper right side fixed mounting of movable block and supports and pushes away the telescopic link, fixed axle and movable block swing joint are passed through fixed axle and are pushed away the bottom of telescopic link and are fixed connection with activity spacing groove, the top that just is located rising telescopic link on the supporting shoe has cup jointed rotary rod II through the activity, the right-hand member bottom movable mounting of rotary rod II has the supporting wheel.

Furthermore, the lifting telescopic rod comprises a telescopic sleeve I, a telescopic inner sleeve is movably sleeved inside the telescopic sleeve I, two ends of the telescopic sleeve I are respectively communicated with the hydraulic pump through guide pipes, telescopic rods I are symmetrically movably sleeved inside the telescopic inner sleeve, and the telescopic inner sleeve is communicated with the hydraulic pump through the guide pipes.

Furthermore, a limiting column is movably sleeved on the front face of the pushing telescopic rod and is movably connected with the upper surface of the rotating rod II.

Further, the rotating rod I is placed horizontally initially, the rotating rod II forms an included angle of 30 degrees with the horizontal plane initially, the rotating angle of the rotating rod I is 100-120 degrees, and the rotating angle of the rotating rod II is 15-30 degrees.

Further, extension telescopic link I has been cup jointed in the left end activity of supporting shoe, extension telescopic link I includes telescopic sleeve II, telescopic link II has been cup jointed in the inside activity of telescopic sleeve II, the cross-section of telescopic link II is the square, the end and the drive shaft fixed connection that stretch out of telescopic link II, the inboard fixedly connected with extension telescopic link II in right part of supporting shoe, extension telescopic link II includes telescopic sleeve III and telescopic link III, telescopic link III has two and symmetrical activities to cup joint in the inside of telescopic sleeve III, the end that stretches out of telescopic link III and the inside fixed connection of supporting shoe, telescopic sleeve II and telescopic sleeve III communicate with the hydraulic pump through pipe respectively.

Furthermore, the cross-section of telescopic link II is the square, extension telescopic link I is connected with engine transmission through the driving medium.

Furthermore, the expansion telescopic rod II is fixedly connected with a supporting connecting plate between the two supporting blocks, and the left end of the supporting connecting plate is movably connected with the expansion telescopic rod I.

The application provides a pair of chassis with adjustable be applied to tractor, setting through rotary rod I and rotary rod II, make rising telescopic link with rotary rod II to the left-hand draw, use the supporting wheel as the fulcrum, rotary rod I drives through the connecting axle and carries out clockwise rotation from the driving wheel, make the right part and the ground contact of track, form the cooperation with the supporting wheel, form the fulcrum, upwards promote the supporting shoe, and then rise the supporting shoe, accomplish the tractor and rise by a wide margin, make the chassis of tractor rise by a wide margin, the application range of extension tractor, avoid the tractor to collide plant, lead to planting the damage.

Through the setting of extension telescopic link I and extension telescopic link II, when making the interval between two tracks of needs regulation, at first make one side perk of tractor through the rising telescopic link of one side, and then make the right part contact ground of track, inject hydraulic oil into telescopic sleeve II and telescopic sleeve III through the hydraulic pump afterwards, and then make telescopic link II and telescopic link III of tractor perk one side stretch out, and then promote the supporting shoe and extend to the outside, stop after extending the certain distance, put down the track afterwards, recycle same mode, make the opposite side perk after, extend, enlarge the clearance, at this in-process, after perk one side, reduce track and ground area of contact on the one hand, frictional force when reducing the extension, convenience when increasing the extension, on the other hand, carry out the skew to the focus of tractor, pressure when reducing the extension, improve extension efficiency.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description, serve to explain the principles of the disclosure.

The present disclosure may be more clearly understood from the following detailed description taken in conjunction with the accompanying drawings, in which:

FIG. 1 is a schematic view of the present invention;

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

FIG. 3 isbase:Sub>A schematic view of the invention at A-A in FIG. 2;

FIG. 4 is a schematic view of B-B in FIG. 2 according to the present invention;

FIG. 5 is a schematic view of the structure of the present invention showing the lifting rod;

FIG. 6 is a schematic view of C-C in FIG. 2 according to the present invention;

FIG. 7 is a schematic view of D-D in FIG. 2 according to the present invention.

In the figure: 1. a connecting plate; 2. a drive wheel; 3. a driven wheel; 4. a crawler belt; 5. a drive shaft; 6. rotating a rod I; 7. a connecting shaft; 8. lifting the telescopic rod; 81. a telescopic sleeve I; 82. a telescopic inner sleeve; 83. a telescopic rod I; 9. a support block; 10. a movable limiting groove; 11. a movable block; 12. pushing the telescopic rod; 13. rotating a rod II; 14. a support wheel; 15. a limiting column; 16. expanding a telescopic rod I; 161. a telescopic sleeve II; 162. a telescopic rod II; 17. expanding a telescopic rod II; 171. a telescopic sleeve III; 172. a telescopic rod III; 18. and supporting the connecting plate.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all 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 application.

Example one

Referring to fig. 1-5, an adjustable chassis applied to a tractor comprises two connecting plates 1, two supporting blocks 9, an engine and a hydraulic pump, wherein two ends of the connecting plates 1 are respectively movably sleeved with a driving wheel 2 and a driven wheel 3, a crawler 4 is movably sleeved on the connecting plates 1, the crawler 4 is respectively engaged with the driving wheel 2 and the driven wheel 3, a driving shaft 5 is fixedly sleeved in the driving wheel 2, a rotating rod i 6 is movably sleeved on the driving shaft 5, a connecting shaft 7 is movably sleeved at the right end of the rotating rod i 6, the connecting shaft 7 is fixedly sleeved with the driven wheel 3, a lifting telescopic rod 8 is movably sleeved at the middle part of the upper surface of the rotating rod i 6 through a fixed shaft, a movable limiting groove 10 is formed in the supporting block 9, a movable block 11 is movably mounted in the movable limiting groove 10, a pushing telescopic rod 12 is fixedly mounted in the supporting block 9 and above and on the right of the movable block 11, the middle part of a lifting telescopic rod 8 is movably connected with a movable block 11 through a fixed shaft, a bottom extending shaft of a pushing telescopic rod 12 is fixedly connected with a movable limiting groove 10, a rotary rod II 13 is movably sleeved on the supporting block 9 and positioned above the lifting telescopic rod 8 through the fixed shaft, a supporting wheel 14 is movably installed at the bottom of the right end of the rotary rod II 13, initially, when large pulling force is needed for traction, the bottom of a crawler 4 is in a horizontal posture and is in contact with the ground, the crawler 4 is driven to rotate through a driving shaft 5, further, the crawler 4 drives a tractor to move forwards, in the process, the crawler 4 is in contact with the ground with the largest bottom area, friction is increased, further, the tractor has larger forward traction force, when the chassis of the tractor needs to be lifted, the rotary rod II 13 is pulled leftwards through the lifting telescopic rod 8, and meanwhile, the left end of the lifting telescopic rod 8 pushes the rotary rod I6 leftwards, the rotating rod I6 drives the driven wheel 3 to rotate clockwise through the connecting shaft 7, the right part of the crawler 4 is in contact with the ground, the crawler 4 is matched with the supporting wheel 14 to form a fulcrum, the supporting block 9 is lifted upwards, the supporting block 9 is lifted, the tractor is lifted greatly, when the supporting block 9 is lifted to the top, the rotating rod I6 and the rotating rod II 13 are splayed and supported with each other, the stability of the tractor after being lifted is improved, in the process, the pushing telescopic rod 12 pushes the movable block 11 to descend, the right end of the rotating rod I6 is pushed to rotate while the position of the lifting telescopic rod 8 is adjusted, and the situation that when the rotating rod I6 is initially horizontal, the lifting telescopic rod 8 cannot drive the rotating rod I6 to rotate is avoided; the lifting telescopic rod 8 comprises a telescopic sleeve I81, a telescopic inner sleeve 82 is movably sleeved in the telescopic sleeve I81, two ends of the telescopic sleeve I81 are respectively communicated with a hydraulic pump through guide pipes, telescopic rods I83 are symmetrically and movably sleeved in the telescopic inner sleeve 82, the telescopic inner sleeve 82 is communicated with the hydraulic pump through the guide pipes, when lifting is carried out, firstly, the telescopic sleeve I81 is matched with the telescopic inner sleeve 82, the rotary rod I6 is pushed to rotate through the telescopic inner sleeve 82 when the rotary rod II 13 is pulled to the left, and in order to prevent the telescopic inner sleeve 82 from pushing the rotary rod I6 to rotate, the length of the telescopic inner sleeve is insufficient, the telescopic rod I83 extends out, and the rotary rod I6 is continuously pushed, so that the rotary rod I6 reaches a required position; a limiting column 15 is movably sleeved on the front face of the pushing telescopic rod 12, the limiting column 15 is movably connected with the upper surface of the rotating rod II 13, the rotating rod II 13 is pressed through the limiting column 15, and a lever fulcrum is further formed, so that the rotating rod II 13 forms a certain supporting force on the right end of the supporting block 9, and the bearing of the tractor in an initial state is increased; the rotating rod I6 is placed horizontally at the beginning, the rotating rod II 13 forms an included angle of 30 degrees with the horizontal plane at the beginning, the rotating angle of the rotating rod I6 is 100-120 degrees, the rotating angle of the rotating rod II 13 is 15-30 degrees, the rotating rod I6 and the rotating rod II 13 are enabled to form a splayed shape after rotating, and the rotating rod I6 and the rotating rod II 13 are fixed by traction of the lifting telescopic rod 8, so that the tractor has good stability;

example two

Referring to fig. 6-7, an expansion telescopic rod i 16 is movably sleeved at the left end of a supporting block 9, the expansion telescopic rod i 16 comprises a telescopic sleeve ii 161, a telescopic rod ii 162 is movably sleeved inside the telescopic sleeve ii 161, the cross section of the telescopic rod ii 162 is square, the extending end of the telescopic rod ii 162 is fixedly connected with a driving shaft 5, an expansion telescopic rod ii 17 is fixedly connected with the inner side of the right portion of the supporting block 9, the expansion telescopic rod ii 17 comprises a telescopic sleeve iii 171 and a telescopic rod iii 172, the telescopic rods iii 172 are two and symmetrically movably sleeved inside the telescopic sleeve iii 171, the extending end of the telescopic rod iii 172 is fixedly connected with the inside of the supporting block 9, the telescopic sleeve ii 161 and the telescopic sleeve iii 171 are respectively communicated with a hydraulic pump through a conduit, when the distance between two crawler belts 4 needs to be adjusted, firstly, one side of a tractor is tilted through a lifting telescopic rod 8 on one side, then the right part of a crawler 4 is contacted with the ground, then hydraulic oil is injected into a telescopic sleeve II 161 and a telescopic sleeve III 171 through a hydraulic pump, further a telescopic rod II 162 and a telescopic rod III 172 on the tilted side of the tractor extend out, and further a supporting block 9 is pushed to extend outwards; the cross section of the expansion link II 162 is square, the expansion link I16 is in transmission connection with an engine through a transmission part, the engine drives the expansion link I16 to rotate, and then power is transmitted to the driving shaft 5 through the expansion link I16, and meanwhile, the cross section of the expansion link II 162 is square, so that power transmission is guaranteed, and effective extension is guaranteed when the gap between the two subsequent tracks 4 is expanded; on expansion telescopic link II 17 and lie in fixedly connected with brace connection board 18 between two supporting shoes 9, the left end and the I16 swing joint of expansion telescopic link of brace connection board 18 bear through setting up each part of brace connection board 18 to the tractor, simultaneously, carry out effectively independently two supporting shoes 9, make things convenient for follow-up deformation needs.

Claims

1. The adjustable chassis applied to the tractor comprises two connecting plates (1), two supporting blocks (9), an engine and a hydraulic pump, and is characterized in that two ends of each connecting plate (1) are movably sleeved with a driving wheel (2) and a driven wheel (3) respectively, a crawler (4) is movably sleeved on each connecting plate (1), the crawler (4) is meshed with the driving wheel (2) and the driven wheel (3) respectively, a driving shaft (5) is fixedly sleeved in the driving wheel (2), a rotating rod I (6) is movably sleeved on the driving shaft (5), a connecting shaft (7) is movably sleeved at the right end of the rotating rod I (6), the connecting shaft (7) is fixedly sleeved with the driven wheel (3), a lifting telescopic rod (8) is movably sleeved at the middle part of the upper surface of the rotating rod I (6) through a fixed shaft, a movable limiting groove (10) is formed in each supporting block (9), a movable block (11) is movably mounted inside the movable limiting groove (10), a pushing telescopic rod (12) is fixedly mounted inside each supporting block (9) and is positioned above the right side of the corresponding movable block (11), the middle part of each lifting telescopic rod (8) is connected with the bottom end of the corresponding telescopic rod (10), and the corresponding telescopic rod (10) is connected with the corresponding telescopic rod (10), the supporting block (9) is provided with a rotating rod II (13) which is movably sleeved above the lifting telescopic rod (8) through a fixed shaft, and the bottom of the right end of the rotating rod II (13) is movably provided with a supporting wheel (14).

2. The adjustable chassis applied to the tractor as claimed in claim 1, wherein the lifting telescopic rod (8) comprises a telescopic sleeve I (81), a telescopic inner sleeve (82) is movably sleeved inside the telescopic sleeve I (81), two ends of the telescopic sleeve I (81) are respectively communicated with the hydraulic pump through a guide pipe, a telescopic rod I (83) is symmetrically and movably sleeved inside the telescopic inner sleeve (82), and the telescopic inner sleeve (82) is communicated with the hydraulic pump through a guide pipe.

3. The adjustable chassis applied to the tractor according to claim 1, wherein a limiting column (15) is movably sleeved on the front surface of the pushing telescopic rod (12), and the limiting column (15) is movably connected with the upper surface of the rotating rod II (13).

4. The adjustable chassis applied to the tractor according to claim 1, wherein the rotating rod I (6) is initially placed horizontally, the rotating rod II (13) is initially placed at an included angle of 30 degrees with the horizontal plane, the rotating angle of the rotating rod I (6) is 100-120 degrees, and the rotating angle of the rotating rod II (13) is 15-30 degrees.

5. The adjustable chassis applied to the tractor as claimed in claim 1, wherein an expansion telescopic rod I (16) is movably sleeved at the left end of the supporting block (9), the expansion telescopic rod I (16) comprises a telescopic sleeve II (161), a telescopic rod II (162) is movably sleeved inside the telescopic sleeve II (161), the cross section of the telescopic rod II (162) is square, the extending end of the telescopic rod II (162) is fixedly connected with the driving shaft (5), an expansion telescopic rod II (17) is fixedly connected to the inner side of the right portion of the supporting block (9), the expansion telescopic rod II (17) comprises a telescopic sleeve III (171) and a telescopic rod III (172), the telescopic rods III (172) are symmetrically and movably sleeved inside the telescopic sleeve III (171), the extending end of the telescopic rod III (172) is fixedly connected with the inside of the supporting block (9), and the telescopic sleeve II (161) and the telescopic sleeve III (171) are respectively communicated with a hydraulic pump through a conduit.

6. The adjustable chassis applied to the tractor as claimed in claim 5, wherein the cross section of the expansion link II (162) is square, and the expansion link I (16) is in transmission connection with the engine through a transmission piece.

7. The adjustable chassis applied to the tractor according to claim 5, wherein a supporting connection plate (18) is fixedly connected to the expansion telescopic rod II (17) and located between the two supporting blocks (9), and the left end of the supporting connection plate (18) is movably connected with the expansion telescopic rod I (16).