CN113028037A

CN113028037A - Multi-cylinder small crawler tractor gearbox

Info

Publication number: CN113028037A
Application number: CN202110200707.7A
Authority: CN
Inventors: 王建平; 张汉军; 戴益发
Original assignee: Yancheng Ping'an Machinery Co ltd
Current assignee: Yancheng Ping'an Machinery Co ltd
Priority date: 2021-02-23
Filing date: 2021-02-23
Publication date: 2021-06-25
Anticipated expiration: 2041-02-23
Also published as: CN113028037B

Abstract

The invention discloses a multi-cylinder small-sized caterpillar tractor gearbox in the technical field of protective devices, which comprises a gearbox body and a third mounting plate, wherein a first mounting plate is fixedly arranged on one side of the gearbox body, a first connecting piece is fixedly arranged on one side of the first mounting plate, which is far away from the gearbox body, an input hole is formed in the first connecting piece, a second connecting piece is fixedly arranged on one side of the gearbox body, which is far away from the first mounting plate, a second mounting plate is fixedly arranged on one side of the second connecting piece, which is far away from the gearbox body, a speed change assembly is fixedly arranged in the gearbox body, one end of the speed change assembly, which is close to the second connecting piece, is fixedly connected with an output rod, the output rod extends out of the second mounting plate through the second mounting plate, a plurality of through holes are formed in the output rod, and, the service life of the gearbox is prolonged, meanwhile, the emergency braking function is added, and the safety is improved.

Description

Multi-cylinder small crawler tractor gearbox

Technical Field

The invention relates to the technical field of gearboxes, in particular to a gearbox of a multi-cylinder small crawler tractor.

Background

The gearbox mainly comprises gears and shafts, speed and torque change is generated through different gear combinations, and the speed and torque change is achieved through a hydraulic transmission and gear combination mode. A tractor is a self-propelled power machine used for towing and driving a working machine to complete various mobile operations, and nowadays, tractors are widely used in the agricultural or mining fields. An important component of a tractor is the transmission.

Most of tractor gearboxes in the prior art are fixedly connected to a frame of a tractor in a welding or bolt connection mode, so that vibration generated by the tractor in use can be directly transmitted to the inside of the gearbox, and the gearbox is extremely easy to damage due to long-time vibration. Accordingly, those skilled in the art have provided a multi-cylinder small track tractor transmission to solve the problems set forth in the background above.

Disclosure of Invention

The invention aims to provide a gearbox of a multi-cylinder small-sized crawler tractor, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a multi-cylinder small crawler tractor gearbox comprises a gearbox body and a third mounting plate, wherein a first mounting plate is fixedly mounted on one side of the gearbox body, a first connecting piece is fixedly arranged on one side of the first mounting plate, which is far away from the gearbox body, an input hole is arranged on the first connecting piece, a second connecting piece is fixedly arranged on one side of the gearbox body far away from the first mounting plate, a second mounting plate is fixedly arranged on one side of the second connecting piece far away from the gearbox body, a speed change component is fixedly arranged in the gearbox body, one end of the speed change component close to the second connecting piece is fixedly connected with an output rod, the output rod passes the second mounting panel extends to outside the second mounting panel, a plurality of through-holes have been seted up on the output rod, this internal and corresponding of gearbox the top fixed mounting of gear change assembly has the backup pad.

As a further scheme of the invention: the upper surface of backup pad corresponds the position fixed connection of through-hole has electric slide rail, sliding connection has electric telescopic handle in the electric slide rail, electric telescopic handle passes the backup pad extends to the backup pad below, electric telescopic handle's lower extreme fixedly connected with L type pole, the diameter of L type pole is less than the diameter of through-hole, when the tractor takes place emergency, information transmission module can give control mainboard with information transmission, and control mainboard control electric telescopic handle drives L type pole and reciprocates for L type pole removes to the through-hole and corresponds the position, then control electric telescopic handle slides on electric slide rail, makes L type pole insert in the through-hole, prevents the output pole to rotate, and the operation of emergency stop tractor avoids taking place accident and casualties, protects driver's life safety.

As a still further scheme of the invention: the lower surface of the gearbox body is fixedly connected with a plurality of supporting blocks, the lower surface of each supporting block is fixedly connected with a second compression spring, the lower end of each second compression spring is fixedly connected with a spring sleeve, a second movable plate is connected in the spring sleeve in a sliding manner, the upper surface of the second movable plate is fixedly connected with a plurality of first compression springs, the upper end of each first compression spring is fixedly connected with a first movable plate, the upper surface of each first movable plate is fixedly connected with the corresponding supporting block, the lower surface of each spring sleeve is fixedly connected with the upper surface of the corresponding third mounting plate, when a tractor runs, the gearbox is vibrated to enable the supporting blocks to move downwards and extrude the first movable plates, the first movable plates are extruded to enable the first compression springs to contract, meanwhile, the supporting blocks move downwards to enable the second compression springs to contract, and the first compression springs and the second compression springs contract to reduce the influence of vibration, avoid the gearbox interior part to take place to destroy because of the vibration influence, increase the life of gearbox.

As a still further scheme of the invention: a plurality of louvres have all been seted up to the both sides of gearbox body, fixed mounting has the dust screen in the louvre, gearbox body surface just corresponds the top fixed mounting of louvre has ventilation fan, and the louvre guarantees that the part can in time dispel the heat in the gearbox, and the dust screen can avoid the dust to follow the louvre and enter into the gearbox in and do not have the part to cause the destruction to the gearbox simultaneously, and temperature sensor opens ventilation fan when the high temperature in the gearbox, and ventilation fan dispels the heat to the gearbox.

As a still further scheme of the invention: the upper surface fixed mounting of gearbox body has the installation piece, the upper end fixed mounting of installation piece has the action bars, the action bars is kept away from the one end fixed mounting of installation piece has the rubber sleeve.

As a still further scheme of the invention: keep away from surface sliding installs the batch oil tank on the one end of electricity slide rail, the batch oil tank is close to one side fixed mounting of gearbox body inner wall has the connecting plate, the peripheral fixedly connected with second magnetic sheet of connecting plate, the gearbox body corresponds the movable groove has been seted up to the position of connecting plate, the first magnetic sheet of fixedly connected with in the movable groove, the connecting plate is kept away from one side fixed mounting of batch oil tank has the handle, and when the lubricating oil light-consuming in the batch oil tank, the user can take the batch oil tank out through the handle and reappear and fill up the batch oil tank, avoids unpacing apart the trouble of gearbox.

As a still further scheme of the invention: the oil storage tank is kept away from one side fixed mounting of connecting plate has flexible pipe, flexible pipe is kept away from the fixed pipe of one end fixedly connected with of oil storage tank, fixed pipe passes backup pad fixed mounting be in on the speed change unit, fixed mounting has the water pump on the flexible pipe, and temperature sensor is to temperature real-time supervision in the gearbox, and when the temperature was too high in the gearbox, temperature sensor gave the control mainboard with information transmission, opens ventilation fan and water pump behind the control mainboard received information, and the water pump makes lubricating oil in the oil storage tank enter into the speed change unit along flexible pipe and fixed pipe, avoids too big because of the frictional force of speed change unit internals, causes in the gearbox that the part is impaired or the operating temperature is too high.

As a still further scheme of the invention: the last fixed surface of backup pad installs the control mainboard, the control mainboard is kept away from one side fixed mounting of batch oil tank has temperature sensor, temperature sensor keeps away from one side fixed mounting of control mainboard has information transmission module.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, through the matching among the L-shaped rod, the electric sliding rail and the electric telescopic rod, when an emergency accident occurs to the tractor, the information transmission module can transmit information to the control mainboard, the control mainboard controls the electric telescopic rod to drive the L-shaped rod to move up and down, so that the L-shaped rod moves to the position corresponding to the through hole, and then the electric telescopic rod is controlled to slide on the electric sliding rail, so that the L-shaped rod is inserted into the through hole, the output rod is prevented from rotating, the operation of the tractor is stopped emergently, the accidental casualties are avoided, and the life safety of a driver is protected.

2. According to the invention, through the matching between the first compression spring and the second compression spring, when the tractor runs, the gearbox is vibrated to enable the supporting block to move downwards and to add and extrude the first movable plate, the first movable plate is extruded to enable the first compression spring to contract, meanwhile, the supporting block moves downwards to enable the second compression spring to contract, the first compression spring contracts and the second compression spring contracts to reduce the vibration influence on the gearbox, the parts in the gearbox are prevented from being damaged due to the vibration influence, and the service life of the gearbox is prolonged.

Drawings

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

FIG. 2 is a second schematic structural view of the present invention;

FIG. 3 is a schematic view of a portion of FIG. 1 at A according to the present invention;

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

FIG. 5 is a first cross-sectional view of the present invention;

FIG. 6 is a partial schematic view of the structure of FIG. 5 at C in accordance with the present invention;

FIG. 7 is a second cross-sectional view of the present invention;

FIG. 8 is a third sectional view of the present invention;

fig. 9 is a fourth structural sectional view in the present invention.

In the figure: 1. a gearbox body; 2. a first connecting member; 3. a second connecting member; 4. a first mounting plate; 5. a second mounting plate; 6. a third mounting plate; 7. a spring sleeve; 8. a rubber sleeve; 9. an operating lever; 10. mounting blocks; 11. heat dissipation holes; 12. a dust screen; 13. a ventilation fan; 14. an output rod; 15. an input aperture; 16. a connecting plate; 17. a handle; 18. a first magnetic sheet; 19. a second magnetic sheet; 20. a speed change assembly; 21. an oil storage tank; 22. a water pump; 23. a support block; 24. a control main board; 25. a temperature sensor; 26. an information transmission module; 27. an electrical slide rail; 28. a through hole; 29. a first movable plate; 30. a second movable plate; 31. a first compression spring; 32. a fixed tube; 33. a second compression spring; 34. an electric telescopic rod; 35. an L-shaped rod; 36. a telescopic tube; 37. and a support plate.

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.

Referring to fig. 1 to 9, in the embodiment of the invention, a multi-cylinder small crawler tractor gearbox includes a gearbox body 1 and a third mounting plate 6, a first mounting plate 4 is fixedly mounted on one side of the gearbox body 1, a first connecting piece 2 is fixedly mounted on one side of the first mounting plate 4 away from the gearbox body 1, an input hole 15 is formed in the first connecting piece 2, a second connecting piece 3 is fixedly mounted on one side of the gearbox body 1 away from the first mounting plate 4, a second mounting plate 5 is fixedly mounted on one side of the second connecting piece 3 away from the gearbox body 1, a speed change assembly 20 is fixedly mounted in the gearbox body 1, an output rod 14 is fixedly connected to one end of the speed change assembly 20 close to the second connecting piece 3, the output rod 14 extends out of the second mounting plate 5 through the second mounting plate 5, a plurality of through holes 28 are formed in the output rod 14, and a support plate 37 is fixedly mounted in the gearbox body 1.

The upper surface of the supporting plate 37 is fixedly provided with an electric sliding rail 27 corresponding to the position of the through hole 28, the electric sliding rail 27 is connected with an electric telescopic rod 34 in a sliding manner, the electric telescopic rod 34 penetrates through the supporting plate 37 and extends to the lower part of the supporting plate 37, the lower end of the electric telescopic rod 34 is fixedly connected with an L-shaped rod 35, the diameter of the L-shaped rod 35 is smaller than that of the through hole 28, when an emergency accident happens to the tractor, the information transmission module 26 can transmit information to the control main board 24, the control main board 24 controls the electric telescopic rod 34 to drive the L-shaped rod 35 to move up and down, so that the L-shaped rod 35 moves to the position corresponding to the through hole 28, and then the electric telescopic rod 34 is controlled to slide on the electric sliding rail 27, so that the L-shaped rod 35 is inserted into the through hole 28 to; the lower surface of the gearbox body 1 is fixedly connected with a plurality of supporting blocks 23, the lower surface of the supporting blocks 23 is fixedly connected with a second compression spring 33, the lower end of the second compression spring 33 is fixedly connected with a spring sleeve 7, a second movable plate 30 is slidably connected in the spring sleeve 7, the upper surface of the second movable plate 30 is fixedly connected with a plurality of first compression springs 31, the upper end of each first compression spring 31 is fixedly connected with a first movable plate 29, the upper surface of each first movable plate 29 is fixedly connected with the supporting block 23, the lower surface of the spring sleeve 7 is fixedly connected with the upper surface of the third mounting plate 6, when the tractor runs, the gearbox is vibrated to enable the supporting blocks 23 to move downwards and extrude the first movable plates 29 together, the first movable plates 29 are extruded to enable the first compression springs 31 to contract, meanwhile, the supporting blocks 23 move downwards to enable the second compression springs 33 to contract, the first compression springs 31 contract and the second compression springs 33 contract to, the damage of parts in the gearbox due to the influence of vibration is avoided, and the service life of the gearbox is prolonged; the gearbox is characterized in that a plurality of heat dissipation holes 11 are formed in two sides of the gearbox body 1, a dustproof net 12 is fixedly installed in each heat dissipation hole 11, a ventilation fan 13 is fixedly installed on the surface of the gearbox body 1 and above the corresponding heat dissipation hole 11, the heat dissipation holes 11 guarantee that parts in the gearbox can dissipate heat in time, and meanwhile, the dustproof net 12 can prevent dust from entering the gearbox along the heat dissipation holes 11 and damaging the parts of the gearbox; an installation block 10 is fixedly installed on the upper surface of the gearbox body 1, an operation rod 9 is fixedly installed at the upper end of the installation block 10, and a rubber sleeve 8 is fixedly installed at one end, far away from the installation block 10, of the operation rod 9; an oil storage tank 21 is slidably mounted on the upper surface of one end, away from the electric sliding rail 27, of the supporting plate 37, a connecting plate 16 is fixedly mounted on one side, close to the inner wall of the gearbox body 1, of the oil storage tank 21, a second magnetic sheet 19 is fixedly connected to the periphery of the connecting plate 16, a movable groove is formed in the position, corresponding to the connecting plate 16, of the gearbox body 1, a first magnetic sheet 18 is fixedly connected into the movable groove, a handle 17 is fixedly mounted on one side, away from the oil storage tank 21, of the connecting plate 16, when lubricating oil in the oil storage tank 21 is used for light, a user can draw out the oil storage tank 21 through; an extensible pipe 36 is fixedly installed on one side of the oil storage tank 21 far away from the connecting plate 16, one end of the extensible pipe 36 far away from the oil storage tank 21 is fixedly connected with a fixed pipe 32, the fixed pipe 32 penetrates through a supporting plate 37 and is fixedly installed on the speed change assembly 20, and a water pump 22 is fixedly installed on the extensible pipe 36; the upper surface of the supporting plate 37 is fixedly provided with a control main board 24, one side of the control main board 24 far away from the oil storage tank 21 is fixedly provided with a temperature sensor 25, and one side of the temperature sensor 25 far away from the control main board 24 is fixedly provided with an information transmission module 26.

The working principle of the invention is as follows: before using the device, the parts of the device are checked whether are complete or not, and the device is used after the parts are checked to be correct. Temperature sensor 25 is to temperature real-time supervision in the gearbox, when the temperature was too high in the gearbox, temperature sensor 25 gives control mainboard 24 with information transmission, control mainboard 24 opens breather fan 13 and water pump 22 after receiving information, water pump 22 makes the lubricating oil in the oil storage tank 21 enter into speed change unit 20 along scalable pipe 36 and fixed pipe 32, avoid too big because of the frictional force of speed change unit 20 internals, cause that the part is impaired or the operating temperature is too high in the gearbox, breather fan 13 dispels the heat to the gearbox. In addition, the radiating holes 11 ensure that parts in the gearbox can radiate heat in time, and meanwhile, the dust screen 12 can prevent dust from entering the gearbox along the radiating holes 11 to damage the parts of the gearbox. When the tractor takes place emergency, information transmission module 26 can give control mainboard 24 with information transmission, control mainboard 24 control electric telescopic handle 34 drives L type pole 35 and reciprocates, make L type pole 35 move to the through-hole 28 and correspond the position, then control electric telescopic handle 34 slides on electric slide rail 27, make L type pole 35 insert in the through-hole 28, prevent output lever 14 and rotate, the operation of the tractor of emergency stop, avoid taking place accident casualties, protect driver's life safety. When the tractor runs, the gearbox receives the vibration and makes supporting shoe 23 move downwards and add the extrusion first fly leaf 29, and first fly leaf 29 receives the extrusion and makes first compression spring 31 shrink, and supporting shoe 23 moves downwards simultaneously makes second compression spring 33 shrink, and first compression spring 31 shrink and the second compression spring 33 shrink reduce the vibration influence that the gearbox received, avoids in the gearbox part to take place to destroy because of the vibration influence, increases the life of gearbox.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a small-size track tractor gearbox of multi-cylinder, includes gearbox body (1) and third mounting panel (6), its characterized in that: one side of the gearbox body (1) is fixedly provided with a first mounting plate (4), one side of the gearbox body (1) is far away from the first mounting plate (4) and is fixedly provided with a first connecting piece (2), the first connecting piece (2) is provided with an input hole (15), one side of the gearbox body (1) far away from the first mounting plate (4) is fixedly provided with a second connecting piece (3), one side of the second connecting piece (3) far away from the gearbox body (1) is fixedly provided with a second mounting plate (5), a speed change assembly (20) is fixedly arranged in the gearbox body (1), the speed change assembly (20) is close to one end of the second connecting piece (3) and is fixedly connected with an output rod (14), and the output rod (14) passes through the second mounting plate (5) and extends out of the second mounting plate (5), a plurality of through holes (28) are formed in the output rod (14), and a supporting plate (37) is fixedly mounted in the gearbox body (1) and corresponds to the upper portion of the speed changing assembly (20).

2. The multi-cylinder small track tractor gearbox of claim 1, characterized in that: the upper surface of backup pad (37) corresponds the position fixed mounting of through-hole (28) has electric slide rail (27), sliding connection has electric telescopic handle (34) in electric slide rail (27), electric telescopic handle (34) pass backup pad (37) extend to backup pad (37) below, the lower extreme fixedly connected with L type pole (35) of electric telescopic handle (34), the diameter of L type pole (35) is less than the diameter of through-hole (28).

3. The multi-cylinder small track tractor gearbox of claim 1, characterized in that: the gearbox body (1) is fixedly connected with a plurality of supporting blocks (23) on the lower surface, the second compression spring (33) is fixedly connected with the lower surface of the supporting blocks (23), the spring sleeve (7) is fixedly connected with the lower end of the second compression spring (33), the second movable plate (30) is slidably connected with the spring sleeve (7), the plurality of first compression springs (31) are fixedly connected with the upper end of the second movable plate (30), the first movable plate (29) is fixedly connected with the upper end of the first compression spring (31), the upper surface of the first movable plate (29) is fixedly connected with the supporting blocks (23), and the lower surface of the spring sleeve (7) is fixedly connected with the upper surface of the third mounting plate (6).

4. The multi-cylinder small track tractor gearbox of claim 1, characterized in that: a plurality of heat dissipation holes (11) are formed in the two sides of the gearbox body (1), a dust screen (12) is fixedly mounted in each heat dissipation hole (11), and a ventilation fan (13) is fixedly mounted on the surface of the gearbox body (1) and corresponds to the upper portion of each heat dissipation hole (11).

5. The multi-cylinder small track tractor gearbox of claim 1, characterized in that: the transmission comprises a transmission body (1), and is characterized in that an installation block (10) is fixedly installed on the upper surface of the transmission body (1), an operation rod (9) is fixedly installed at the upper end of the installation block (10), and a rubber sleeve (8) is fixedly installed at one end of the installation block (10) and is kept away from the operation rod (9).

6. The multi-cylinder small track tractor gearbox of claim 2, characterized in that: keep away from backup pad (37) surface slidable mounting has batch oil tank (21) on the one end of electric slide rail (27), batch oil tank (21) are close to one side fixed mounting of gearbox body (1) inner wall has connecting plate (16), the peripheral fixedly connected with second magnetic sheet (19) of connecting plate (16), gearbox body (1) corresponds the movable groove has been seted up to the position of connecting plate (16), the first magnetic sheet (18) of movable inslot fixedly connected with, keep away from connecting plate (16) one side fixed mounting of batch oil tank (21) has handle (17).

7. The multi-cylinder small track tractor gearbox of claim 6, characterized in that: keep away from oil storage tank (21) one side fixed mounting of connecting plate (16) has flexible pipe (36), flexible pipe (36) are kept away from the fixed pipe (32) of one end fixedly connected with of oil storage tank (21), fixed pipe (32) pass backup pad (37) fixed mounting be in on variable speed subassembly (20), fixed mounting has water pump (22) on flexible pipe (36).

8. The multi-cylinder small track tractor gearbox of claim 1, characterized in that: last fixed surface of backup pad (37) installs control mainboard (24), control mainboard (24) are kept away from one side fixed mounting of batch oil tank (21) has temperature sensor (25), temperature sensor (25) are kept away from one side fixed mounting of control mainboard (24) has information transmission module (26).