CN210760986U

CN210760986U - Tractor chassis assembly

Info

Publication number: CN210760986U
Application number: CN201921665876.2U
Authority: CN
Inventors: 毛培光; 毛凯; 毛晓敏
Original assignee: Ningbo Kaiming Machinery Manufacture Co ltd
Current assignee: Ningbo Kaiming Machinery Manufacture Co ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-06-16
Anticipated expiration: 2029-09-30

Abstract

The utility model relates to a tractor chassis assembly, including the chassis underframe, set up the coupling mechanism of drive mechanism and chassis underframe rear end on the chassis underframe, coupling mechanism is including fixing the mounting bracket of chassis underframe lower extreme, the mounting bracket lower extreme is provided with the mount table, the mount table both ends are connected with the locating piece through compression spring horizontal sliding, the mount table lower extreme is provided with and rotates the seat and is located locating piece one side, it rotates through the articulated shaft and is connected with coupling assembling to rotate on the seat, the articulated shaft both ends are worn to appear rotate the seat and are provided with the stopper, the side end face butt of stopper is in the one end of locating piece. The utility model discloses have and hide connecting rod and coupling hook, easy operation, effects such as easy to assemble and dismantlement.

Description

Tractor chassis assembly

Technical Field

The utility model belongs to the technical field of agricultural machine technique and specifically relates to a tractor chassis assembly is related to.

Background

Currently, tractors are used as self-propelled power machines for towing and driving work machines to perform 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. The power of the engine is transmitted to the driving wheel by the transmission system, so that the tractor runs, and in real life, a rubber belt is commonly used as a medium for power transmission. The tractor can be divided into agricultural, industrial and special tractors according to functions and purposes, and can be divided into wheel type, crawler type, boat type tractors and self-propelled chassis according to structure types.

The prior patent grant publication number: CN105730226A "driving device for trailer of four-wheel tractor" discloses a driving device for trailer of four-wheel tractor, comprising four-wheel tractor, trailer, traction frame, power output shaft, rear transmission shaft, clutch, trailer gear box, trailer half shaft and trailer traveling wheel; the four-wheel tractor is connected with the trailer through the traction frame; the power output shaft at the rear part of the four-wheel tractor is connected with the rear transmission shaft, and the other end of the rear transmission shaft is connected with the trailer gear box; the clutch is arranged between the rear transmission shaft and the trailer gear box, and a clutch handle is arranged on the clutch; the trailer gear box longitudinal two sides are connected with the trailer half shaft, and the trailer traveling wheels are respectively arranged at the two ends of the pair of trailer half shafts.

The above prior art solutions have the following drawbacks: the trailer is connected to the rear end of the four-wheel tractor through the traction frame, when the four-wheel tractor does not need the trailer, the traction frame is still fixed at the rear end of the four-wheel tractor, and when the tractor runs on the road, other vehicles can be scraped, so that economic loss is caused.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the invention aims to provide a tractor chassis assembly with a hidden traction frame.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides a tractor chassis assembly, includes the chassis underframe, sets up the coupling mechanism at the drive mechanism on the chassis underframe and chassis underframe rear end, coupling mechanism is including fixing the mounting bracket of chassis underframe lower extreme one side, the mounting bracket lower extreme is provided with the mount table, and the mount table both ends of telling are connected with the locating piece through compression spring horizontal slip, the mount table lower extreme is provided with rotates the seat and is located locating piece one side, it rotates through the articulated shaft and is connected with coupling assembling to rotate on the seat, the articulated shaft both ends are worn out rotate the seat and are provided with the stopper, the side end face butt of stopper is in the one end of locating piece.

By adopting the technical scheme, the mounting frame is fixed at one side of the lower end of the chassis frame, the mounting platform is arranged on the mounting frame, the two ends of the mounting platform are horizontally slid and connected through the compression spring to position the connecting assembly, when the connecting assembly is rotated outwards, the hinged shaft fixed at one end of the connecting assembly is also rotated, at the moment, the limiting blocks abutted against the two ends of the hinged shaft at one end of the positioning block are rotated to force the positioning block to slide towards the direction of the compression spring, the compression spring is compressed at the same time, so that the side end surface of the limiting block is separated from the end surface of the positioning block, when the rotation is about 180 degrees, the positioning block is outwards popped out under the action of the compression spring and is abutted against the side end surface of the limiting block again to position the connecting assembly, in the scheme, the positioning assembly is hidden at the lower end of the mounting frame, make the tractor when going on the road, can not cause the interference to other vehicles, safer, simultaneously, coupling assembling's the mode of opening is fairly simple, convenient operation.

The utility model discloses further set up to: the locating piece is close to the one end of mounting bracket is provided with "T" type draw runner, the confession is seted up to the mount table lower extreme "T" type spout that "T" type draw runner slided and pegs graft.

Through adopting above-mentioned technical scheme, the locating piece horizontally slides under compression spring's effect, through "T" type spout and "T" type draw runner, make the locating piece only can slide along compression spring's direction level, in this scheme, the locating piece is by firm fixed in vertical direction and perpendicular to compression spring's direction, can contract and release the locating piece satisfying, thereby when carrying out the location to coupling assembling, the installation of locating piece is dismantled also more conveniently, in addition this structure is fairly simple, the processing of being convenient for.

The utility model discloses further set up to: the connecting assembly comprises a connecting rod fixed in the middle of the hinged shaft and a connecting hook fixed at one end of the connecting rod through a bolt.

Through adopting above-mentioned technical scheme, connect articulated epaxial coupling assembling, including connecting rod and hookup, connecting rod and hookup pass through the bolt fastening and be in the same place, and the hookup is the working part that is connected with the rear end trailer, and at the normal in-process that traveles, the hookup can produce more serious wearing and tearing, in order to go the time safety with not causing economic loss, the hookup needs often to be changed, in this scheme, when satisfying the joint strength that daily trailer needs, its installation is dismantled very conveniently, has reduced the change time for go on the road, it is safer.

The utility model discloses further set up to: the connecting rod is close to the one end of coupling hook is provided with the screw thread, the coupling hook is close to the one end of connecting rod sets up threaded hole, the coupling hook with be provided with the chain between the connecting rod, the chain sets up in the threaded hole.

Through adopting above-mentioned technical scheme, the size of this tractor chassis assembly is fixed, but the trailer at its rear, its size, model and hookup location are all indeterminable, for avoiding the trailer of each type, all prepare the hookup of a type, this scheme is through setting up the chain between connecting rod and hookup, an effective use length for prolonging coupling assembling, thereby the different trailer of adaptation, and simultaneously, when normal length just can satisfy daily trailer demand at ordinary times, the chain sets up in the screw hole on the hookup, the effectual existence of hiding the chain, make when the operation, directly twist off the hookup, just can the direct use, moreover, the steam generator is simple in structure, and convenient for operation.

The utility model discloses further set up to: the lower end of the mounting table is provided with a protective cover for inserting and fixing the compression spring.

Through adopting above-mentioned technical scheme, in the driving process, unexpected circumstances such as stone that always can splash, and its operational environment of tractor is more abominable, and expose compression spring outside, probably make compression spring damage to influence the use of tractor, thereby cause and delay time limit for a project or economic loss etc. this scheme is through pegging graft and fixing compression spring in the safety cover, makes under the circumstances that does not influence its operating condition, the effectual protection that has carried out.

The utility model discloses further set up to: the limiting block is provided with a positioning hole for the hinge shaft to be inserted, and the limiting block is connected with the hinge shaft through a bolt.

Through adopting above-mentioned technical scheme, peg graft at the both ends of articulated shaft the side of stopper to fix through the bolt, this scheme is satisfying the articulated shaft and rotates, makes the stopper rotate and forces the locating piece to slide in, stopper and articulated shaft can be more convenient installation dismantlement, have saved the time of maintenance.

The utility model discloses further set up to: the mounting table is connected to the lower end of the mounting frame through a countersunk head bolt.

Through adopting above-mentioned technical scheme, the mounting bracket is installed in chassis underframe lower extreme one side, and the mount table passes through bolted connection at the mounting bracket lower extreme, and in this scheme, coupling mechanism is not lug connection on the chassis underframe, avoids the trailer weight of pulling overweight, leads to the chassis underframe to damage, simultaneously through dismantling the mount table, just can dismantle coupling mechanism completely get off, no matter be maintenance or installation all more convenient.

The utility model discloses further set up to: the rotating seat is connected to the lower end of the mounting table through a bolt.

Through adopting above-mentioned technical scheme, rotate the seat and pass through bolted connection at the mount table lower extreme for it can dismantle to rotate the seat, thereby makes whole coupling assembling can be more convenient dismantlement, and at the trailer of tractor pulling, when its weight has surpassed current coupling assembling's pulling scope, carries out whole coupling assembling's change, makes it meet the requirements, and simultaneously, the change process is also fairly simple.

To sum up, the utility model discloses a beneficial technological effect does:

1. the connecting mechanism is effectively hidden by rotating the connecting rod and the connecting hook to the lower end of the chassis frame and positioning the connecting rod and the connecting hook through the positioning block, so that the driving safety of the tractor on the road is improved;

2. the connection of the rotating seat and the mounting frame and the connection of the connecting rod and the connecting hook all make the assembly and disassembly of each component more convenient;

3. the chain that sets up between hooker and the connecting rod has increased coupling assembling's effective application range.

Drawings

FIG. 1 is a schematic view of an external structure of a tractor chassis assembly;

FIG. 2 is a schematic structural view of the tractor chassis assembly showing the state when the hitch is not in use;

FIG. 3 is a schematic structural view of the tractor chassis assembly showing the state in which the hitch is used and the effective length of the coupling assembly is at its maximum;

fig. 4 is an exploded view of the attachment mechanism.

In the figure: 1. a chassis frame; 2. a transmission mechanism; 3. a connecting mechanism; 4. a mounting frame; 5. an installation table; 6. positioning blocks; 7. a rotating seat; 8. hinging a shaft; 9. a limiting block; 10. a protective cover; 11. mounting grooves; 12. a compression spring; 13. a "T" shaped slide; 14. a T-shaped chute; 15. a connecting assembly; 16. a connecting rod; 17. a connecting hook; 18. a threaded hole; 19. a chain; 20. the hole is rotated.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 4, a tractor chassis assembly, including chassis frame 1, the drive mechanism 2 of setting on chassis frame 1 and the coupling mechanism 3 of chassis frame 1 rear end, coupling mechanism 3 is including fixing mounting bracket 4 in chassis frame 1 lower extreme one side, 4 lower extremes of mounting bracket are provided with mount table 5, 5 both ends of mount table are slided and are connected with locating

piece

6, 5 lower extremes of mount table are provided with and rotate seat 7 and are located locating piece 6 one side, it is connected with coupling assembling 15 to rotate through articulated shaft 8 on the seat 7 to rotate, seat 7 is rotated and is provided with stopper 9 to 8 both ends of articulated shaft wear out, the side end face butt of stopper 9 is in the one end of locating piece 6, coupling assembling 15 includes connecting rod 16 and coupling hook 17.

Referring to fig. 2 and 4, the two ends of the mounting frame 4 are connected to the lower end of the chassis frame 1 through bolts, four corners of the mounting table 5 are connected to the lower end of the mounting frame 4 through bolts, two sides of the lower end of the mounting table 5 are provided with the protective covers 10, two sides of each protective cover 10 are connected to the lower end of the mounting table 5 through bolts, a mounting groove 11 is formed in the middle of each protective cover 10, a compression spring 12 is inserted in each mounting groove 11, one end of each compression spring 12 is exposed outside, a positioning block 6 is welded to the two ends of each compression spring, the positioning block 6 is compressed towards.

Referring to fig. 3 and 4, the positioning block 6 is square, a T-shaped sliding bar 13 is integrally arranged on the end surface of the positioning block 6 close to the mounting table 5, and a T-shaped sliding groove 14 for sliding insertion of the T-shaped sliding bar 13 is formed in the corresponding position of the mounting table 5, so that when the T-shaped sliding bar 13 is inserted in the T-shaped sliding groove 14, the positioning block 6 can only slide along the direction of the compression spring 12.

Referring to fig. 4, mount table 5 is in the one end of keeping away from compression spring 12, there are two rotation seats 7 through bolted connection, rotation hole 20 has been seted up at rotation seat 7 middle part, be provided with articulated shaft 8 in the rotation hole 20, peg graft in stopper 9 after rotation hole 20 is worn out to establish at articulated shaft 8 both ends, the side of stopper 9 passes through countersunk bolt and connects at articulated shaft 8 both ends, the side end face butt of stopper 9 is at the side end face of locating piece 6, when articulated shaft 8 is rotatory, stopper 9 follows together rotatory, stopper 9 does not contact with mount table 5.

Referring to fig. 4, a connecting rod 16 is disposed in the middle of the hinge shaft 8, the connecting rod 16 is perpendicular to the side end face of the limiting block 9, one end of the connecting rod 16 is connected with a connecting hook 17 through a bolt, one end of the connecting rod 16, which is far away from the hinge shaft 8, is provided with a thread, the connecting hook 17 is close to one end of the connecting rod 16 and is provided with a threaded hole 18, a chain 19 is disposed between the connecting rod 16 and the connecting hook 17, one end of the chain 19 is fixed on the end face of the connecting rod 16, and the other end of the chain is fixed on the inner end face of the threaded hole 18 of the connecting hook 17, so that when the connecting hook 17 is connected to the connecting rod 16 through a bolt, the chain 19 is hidden.

The implementation principle of the embodiment is as follows:

when outwards rotating coupling assembling 15, fix and take place to rotate at the articulated shaft 8 of coupling assembling 15 one end equally, at this moment, the stopper 9 of butt 8 both ends of the articulated shaft of locating piece 6 one end takes place to rotate, force locating piece 6 to slide to compression spring 12's direction, compression spring 12 is compressed simultaneously, make the terminal surface of stopper 9 and the terminal surface separation of locating piece 6, when having rotated about 180, locating piece 6 is under compression spring 12's effect, outwards pop out, and the butt is lived the stopper 9 side terminal surface once more, thereby fix a position connecting rod 16 and coupling hook 17, make it conveniently catch on the trailer, when the length of coupling hook 17 can't be connected to the trailer, swivelling joint hook 17, make chain 19 expose, reach extension coupling assembling 15's application range, thereby be connected with the trailer.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a tractor chassis assembly, includes chassis underframe (1), sets up drive mechanism (2) and the coupling mechanism (3) of chassis underframe (1) rear end on chassis underframe (1), its characterized in that: coupling mechanism (3) are including fixing mounting bracket (4) of chassis underframe (1) lower extreme one side, mounting bracket (4) lower extreme is provided with mount table (5), mount table (5) both ends are connected with locating piece (6) through compression spring (12) horizontal sliding, mount table (5) lower extreme is provided with rotates seat (7) and is located locating piece (6) one side, it is connected with coupling assembling (15) to rotate seat (7) to go up to rotate through articulated shaft (8), articulated shaft (8) both ends are worn out rotate seat (7) and are provided with stopper (9), the side end face butt of stopper (9) is in the one end of locating piece (6).

2. The tractor chassis assembly of claim 1, wherein: the positioning block (6) is close to one end of the mounting rack (4) is provided with a T-shaped sliding strip (13), and a T-shaped sliding groove (14) for sliding and inserting the T-shaped sliding strip (13) is formed in the lower end of the mounting platform (5).

3. The tractor chassis assembly of claim 2, wherein: the connecting assembly (15) comprises a connecting rod (16) fixed in the middle of the hinged shaft (8) and a connecting hook (17) fixed at one end of the connecting rod (16) through a bolt.

4. The tractor chassis assembly of claim 3, wherein: connecting rod (16) are close to the one end of coupling hook (17) is provided with the screw thread, coupling hook (17) are close to threaded hole (18) are seted up to the one end of connecting rod (16), coupling hook (17) with be provided with chain (19) between connecting rod (16), chain (19) set up in screw hole (18).

5. The tractor chassis assembly of claim 4, wherein: the lower end of the mounting table (5) is provided with a protective cover (10) for the compression spring (12) to be fixedly inserted.

6. The tractor chassis assembly of claim 5, wherein: the limiting block (9) is provided with a positioning hole for the hinging shaft (8) to be spliced, and the limiting block (9) is connected with the hinging shaft (8) through a bolt.

7. The tractor chassis assembly of claim 6, wherein: the mounting table (5) is connected to the lower end of the mounting frame (4) through a countersunk head bolt.

8. The tractor chassis assembly of claim 7, wherein: the rotating seat (7) is connected to the lower end of the mounting table (5) through a bolt.