CN217598258U - Hard connecting device for tail wheel type small four-wheel tractor - Google Patents
Hard connecting device for tail wheel type small four-wheel tractor Download PDFInfo
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- CN217598258U CN217598258U CN202221981970.0U CN202221981970U CN217598258U CN 217598258 U CN217598258 U CN 217598258U CN 202221981970 U CN202221981970 U CN 202221981970U CN 217598258 U CN217598258 U CN 217598258U
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Abstract
The utility model relates to a tractor technical field specifically is a hard connecting device of little four-wheel tractor of tail-wheel type, including the tractor main part, the outer wall of tractor main part is provided with the fixed plate, the one side of fixed plate is provided with two supports, it has the fixing base to articulate between the support, and the outer wall of fixing base is provided with the connecting rod and rotates the piece, the support both sides articulate has the pneumatic cylinder, and the other end of pneumatic cylinder is connected with the outer wall of adjusting lever mount pad, the bottom of tractor main part articulates there is the adjusting lever mount pad, the utility model discloses but be provided with horizontal pivoted trailer link and perpendicular pivoted connecting rod rotation piece, through the switching structure that is provided with the multiple direction, make the equipment of connecting use in the environment of difference, adjust the turned angle of adjusting lever mount pad through the pneumatic cylinder moreover, make the adjusting lever form the active structure, make things convenient for the adjusting lever to adjust under the different circumstances, avoid the too big damage of trailer link atress to appear.
Description
Technical Field
The utility model relates to a tractor technical field specifically is a hard connecting device of little four-wheel tractor of tailwheel formula.
Background
The tractor (tractor) is used for towing and driving the working machine to complete various mobile operations. Can also be used as fixed operation power. The system or the device comprises an engine, a transmission system, a walking system, a steering system, a hydraulic suspension system, a power output system, an electric instrument system, a driving control system, a traction system and the like.
Chinese utility model patent (CN 201506221U) discloses a hard connecting device of tail-wheel walking tractor, which comprises a bottom plate, a steering wheel, a saddle and a trailer connecting bar, and is used for connecting a front vehicle and a tail vehicle of the walking tractor. The front end above the bottom plate is provided with 5 control units, the hand tractor can be operated by hands and feet when being driven by the structure, the frequency of the hand operation of a driver is reduced, and the gear transmission group structure under the bottom plate enables the hand tractor to save more labor during the turning through the transmission of torque, and reduces the danger during the high-speed turning.
The following problems are involved:
above-mentioned equipment is at the in-process that uses, and gear drive group structure can only carry out horizontal rotation, and when gear drive group structural connection's trailer connecting rod received vertical direction's pressure, the rotation of vertical direction can appear in one side of bottom plate in trailer connecting rod like this, leads to the trailer connecting rod to appear damaging or even fracture, influences the normal use of equipment.
Disclosure of Invention
An object of the utility model is to provide a little four-wheel tractor of tailwheel formula hard connecting device to solve the problem that proposes among the above-mentioned background art.
The technical scheme of the utility model is that: the utility model provides a little four-wheel tractor of tail-wheel type hard connecting device, includes the tractor main part, the outer wall of tractor main part is provided with the fixed plate, the one side of fixed plate is provided with two supports, it has the fixing base to articulate between the support, and the outer wall of fixing base is provided with the connecting rod and rotates the piece, the support both sides articulate has the pneumatic cylinder, and the other end of pneumatic cylinder is connected with the outer wall of adjusting lever mount pad, the bottom of tractor main part articulates there is the adjusting lever mount pad, the through-hole has been seted up to the outer wall of adjusting lever mount pad, and is provided with the adjusting lever in the adjusting lever mount pad outer wall through-hole, the both ends of adjusting lever articulate there is the switching seat.
Further, the top of tractor main part is provided with the seat, and the both sides of tractor main part are provided with the drive shaft, and the outer wall rotation of tractor main part is provided with brake transmission assembly, brake transmission assembly passes through brake assembly and drive shaft connection.
Furthermore, the adapter of adjusting lever one end is connected with elastic component, and the adapter of the adjusting lever other end is connected with the trailer link, the one end that the adapter was kept away from to the trailer link is the form of buckling.
Further, the outer wall of tractor main part is provided with the driving shaft, and the outer wall of fixed plate set up with driving shaft assorted through-hole, the driving shaft passes the outside through-hole of fixed plate.
Furthermore, the elastic assembly comprises an elastic expansion bracket, one end of the elastic expansion bracket is hinged to the bottom of the tractor main body, and the other end of the elastic expansion bracket is fixedly connected with the adapter.
Furthermore, the hydraulic cylinders are symmetrically distributed about the center line of the fixing plate and are arranged in parallel.
The utility model discloses an improve and provide a little four-wheel tractor of tailwheel formula hard connecting device here, compare with prior art, have following improvement and advantage:
the utility model discloses but be provided with horizontal pivoted trailer link and perpendicular pivoted connecting rod rotation piece, through the switching structure who is provided with the multiple direction, make the equipment of connecting use in the environment of difference, adjust the turned angle of adjusting lever mount pad through the pneumatic cylinder moreover, make the adjusting lever form the active structure, make things convenient for the adjusting lever to adjust under the different situation, avoid the too big damage that appears of trailer link atress.
Drawings
The invention is further explained below with reference to the figures and examples:
fig. 1 is a perspective view of the present invention;
fig. 2 is a side view of the present invention;
fig. 3 is a schematic diagram of the back structure of the present invention.
Description of reference numerals: 1. tractor main part, 2, seat, 3, drive shaft, 4, brake drive assembly, 5, fixed plate, 6, fixing base, 7, connecting rod rotate the piece, 8, connecting rod, 9, driving shaft, 10, adjusting lever mount pad, 11, adjusting lever, 12, trailer link, 13, pneumatic cylinder, 14, adapter, 15, elastic component.
Detailed Description
The present invention will be described in detail below, and it is apparent that the technical solutions in the embodiments of the present invention are described clearly and completely. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model discloses an improve and provide a little four-wheel tractor of tailwheel formula hard connecting device here, as shown in fig. 1-3, including tractor main part 1, the outer wall of tractor main part 1 is provided with fixed plate 5, the one side of fixed plate 5 is provided with two supports, it has fixing base 6 to articulate between the support, and the outer wall of fixing base 6 is provided with connecting rod rotation piece 7, the support both sides articulate there is pneumatic cylinder 13, pneumatic cylinder 13's the other end is connected with the outer wall of adjusting lever mount pad 10, the bottom of tractor main part 1 articulates there is adjusting lever mount pad 10, the through-hole has been seted up to the outer wall of adjusting lever mount pad 10, and be provided with adjusting lever 11 in the outer wall through-hole of adjusting lever mount pad 10, the both ends of adjusting lever 11 articulate there is switching seat 14.
Connecting rod rotates piece 7 and can carry out the rotation that carries out the vertical direction through fixing base 6, can make the equipment that drags adjust at the vertical direction like this, and trailer link 12 can carry out horizontal rotation through trailer link 12 and adapter 14, rotates the rotation of piece 7 and the different directions of trailer link 12 adjustment through the connecting rod like this, can make the equipment that drags use under the different angle that turns to.
Further, tractor main part 1's top is provided with seat 2, and tractor main part 1's both sides are provided with drive shaft 3, and tractor main part 1's outer wall rotates and is provided with brake drive assembly 4, and brake drive assembly 4 is connected with drive shaft 3 through brake assembly.
The seat 2 above the tractor body 1 supports the driver's function, and the outside of the driving shaft 3 of the both sides of the tractor body 1 can fix the tire, so that the driving shaft 3 can rotate, and the brake transmission assembly 4 can perform the work of braking the driving shaft 3 through the brake assembly.
Furthermore, an adapter 14 at one end of the adjusting rod 11 is connected with an elastic component 15, the adapter 14 at the other end of the adjusting rod 11 is connected with a trailer connecting frame 12, and one end of the trailer connecting frame 12, which is far away from the adapter 14, is bent.
The 11 one end of adjusting lever forms active state through elastic component 15, and adjusting lever 11 forms the activity form wholly like this, avoids adjusting lever 11 the too big condition that appears damaging of atress to appear, and the 11 other end of adjusting lever is connected with trailer link 12 through another adapter 14, and trailer link 12 can be connected with external equipment, and external equipment carries out the horizontal rotation adjustment through trailer link 12.
Further, the outer wall of tractor main part 1 is provided with driving shaft 9, and the outer wall of fixed plate 5 offer with driving shaft 9 assorted through-hole, driving shaft 9 passes the outside through-hole of fixed plate 5.
The through-hole of fixed plate 5 outer wall plays the effect that holds driving shaft 9, is connected with external equipment through driving shaft 9 for the external equipment of drive moves.
Further, the elastic component 15 includes an elastic telescopic frame, one end of the elastic telescopic frame is hinged to the bottom of the tractor main body 1, and the other end of the elastic telescopic frame is fixedly connected with the adapter 14.
The elastic expansion bracket can expand and contract, the adapter 14 at one end of the adjusting rod 11 forms an elastic movable structure through the elastic expansion bracket, and meanwhile, the elastic expansion bracket can recover the displaced adjusting rod 11.
Further, the hydraulic cylinders 13 are symmetrically distributed about the center line of the fixed plate 5, and the hydraulic cylinders 13 are arranged in parallel with each other.
The pneumatic cylinder 13 is used for driving the effect of adjusting rod mount pad 10, makes adjusting rod mount pad 10 rotate, can adjust the angle of adjusting rod 11 through adjusting rod mount pad 10 like this, and adjusting rod 11 and trailer link 12 can rotate the rotation that carries out the vertical direction together along with connecting rod rotation piece 7 like this, make things convenient for equipment to pull.
The working principle is as follows: the device is when using, rotate connecting rod 7 and trailer link 12 and be connected with equipment, be connected driving shaft 9 with equipment simultaneously, later when using, pneumatic cylinder 13 can drive adjusting lever mount pad 10 and carry out the rotation of vertical direction, to adjusting lever 11, adjusting lever mount pad 10 and trailer link 12 adjust, trailer link 12 can rotate the rotation of vertical direction along with connecting rod together like this, and adjusting lever 11 can be in the through-hole activity setting of adjusting lever mount pad 10, and elastic component 15 forms the active condition through the one end of adjusting lever 11, avoid adjusting lever 11 to receive the too big condition that appears damaging of the extrusion force of trailer link 12, and trailer link 12 can transversely rotate in adjusting lever 11 one end adapter 14 inboard, the equipment that makes like this pull carries out horizontal regulation.
Claims (6)
1. The utility model provides a little four-wheel tractor of tail-wheel type hard connecting device, includes tractor main part (1), its characterized in that: the outer wall of tractor main part (1) is provided with fixed plate (5), the one side of fixed plate (5) is provided with two supports, it has fixing base (6) to articulate between the support, and the outer wall of fixing base (6) is provided with connecting rod rotation piece (7), the support both sides articulate has pneumatic cylinder (13), and the other end of pneumatic cylinder (13) is connected with the outer wall of adjusting lever mount pad (10), the bottom of tractor main part (1) articulates there is adjusting lever mount pad (10), the through-hole has been seted up to the outer wall of adjusting lever mount pad (10), and is provided with adjusting lever (11) in adjusting lever mount pad (10) outer wall through-hole, the both ends of adjusting lever (11) articulate has switching seat (14).
2. The hard connecting device for the tail-wheel small four-wheel tractor as claimed in claim 1, wherein: the tractor is characterized in that a seat (2) is arranged above the tractor body (1), driving shafts (3) are arranged on two sides of the tractor body (1), a brake transmission assembly (4) is arranged on the outer wall of the tractor body (1) in a rotating mode, and the brake transmission assembly (4) is connected with the driving shafts (3) through the brake assembly.
3. The hard connecting device for the tail-wheel small four-wheel tractor as claimed in claim 1, wherein: the adapter (14) of one end of the adjusting rod (11) is connected with an elastic component (15), the adapter (14) of the other end of the adjusting rod (11) is connected with a trailer connecting frame (12), and one end, far away from the adapter (14), of the trailer connecting frame (12) is bent.
4. The hard connecting device for the tail-wheel small four-wheel tractor as claimed in claim 1, wherein: the outer wall of the tractor main body (1) is provided with a driving shaft (9), a through hole matched with the driving shaft (9) is formed in the outer wall of the fixing plate (5), and the driving shaft (9) penetrates through the through hole in the outer portion of the fixing plate (5).
5. A hard coupling device for a tail-wheel type small four-wheel tractor according to claim 3, wherein: the elastic assembly (15) comprises an elastic expansion bracket, one end of the elastic expansion bracket is hinged to the bottom of the tractor main body (1), and the other end of the elastic expansion bracket is fixedly connected with the adapter (14).
6. The hard connecting device for the tail-wheel small four-wheel tractor as claimed in claim 1, wherein: the hydraulic cylinders (13) are symmetrically distributed about the center line of the fixing plate (5), and the hydraulic cylinders (13) are arranged in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221981970.0U CN217598258U (en) | 2022-07-29 | 2022-07-29 | Hard connecting device for tail wheel type small four-wheel tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221981970.0U CN217598258U (en) | 2022-07-29 | 2022-07-29 | Hard connecting device for tail wheel type small four-wheel tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217598258U true CN217598258U (en) | 2022-10-18 |
Family
ID=83593088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221981970.0U Active CN217598258U (en) | 2022-07-29 | 2022-07-29 | Hard connecting device for tail wheel type small four-wheel tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217598258U (en) |
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2022
- 2022-07-29 CN CN202221981970.0U patent/CN217598258U/en active Active
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