CN209776170U

CN209776170U - Adjustable tractor gearbox

Info

Publication number: CN209776170U
Application number: CN201920449371.6U
Authority: CN
Inventors: 王中林; 陈思; 黄杰; 孙昀璟; 滕宇帆
Original assignee: Shan Dongshan Tuo Kaitai Agricultural Equipment Co Ltd
Current assignee: Shan Dongshan Tuo Kaitai Agricultural Equipment Co Ltd
Priority date: 2019-04-04
Filing date: 2019-04-04
Publication date: 2019-12-13
Anticipated expiration: 2029-04-04

Abstract

the utility model discloses an adjustable tractor gearbox, including mounting panel and roof. The utility model discloses a be provided with buffer, when vibrating, the gearbox on the roof drives second threaded rod and mounting panel motion through the roof for the second spring contracts, cushions the gearbox, and the damage of vibration to the gearbox is effectively avoided; through being provided with clamping device, make splint be close to each other through rotating the runner and fix the gearbox to when the movable block motion, through the first gear of rack toothing, the latch on the first gear meshing fly leaf makes the tighter of splint centre gripping, and the effectual damage of avoiding the gearbox is fixed effectual, simultaneously, through rotating the runner, can be convenient dismantle the operation to the gearbox on the roof, makes things convenient for the maintenance in later stage. The utility model has the advantages of the shock attenuation is effectual and be convenient for maintain.

Description

Adjustable tractor gearbox

Technical Field

The utility model relates to a tractor technical field specifically is an adjustable tractor gearbox.

Background

A tractor (tractor) is a self-propelled power machine used for towing and driving a working machine to perform various mobile operations, and is widely used in the agricultural or mining field nowadays. An important component of a tractor is a gearbox, most of tractor gearboxes in the prior art are fixedly connected to a frame of the tractor in a welding or bolt connection mode, so that vibration generated by the tractor during use can be directly transmitted to the inside of the gearbox, the gearbox is easily damaged due to long-time vibration, and the gearbox is a great defect in the prior art; in addition, the fixing mode in the prior art is not easy to disassemble when the gearbox is fixed, which causes great trouble to later repair or maintenance and is inconvenient for repair operation, which is another disadvantage in the prior art. Based on above reason, the utility model provides an adjustable tractor gearbox solves these not enough.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem lie in overcoming the big defect of being convenient for the maintenance of the vibration of prior art, provide an adjustable tractor gearbox. An adjustable tractor gearbox has characteristics such as effectual and the maintenance of being convenient for of shock attenuation.

In order to achieve the above object, the utility model provides a following technical scheme: an adjustable tractor gearbox comprises a mounting plate, wherein two transverse grooves are symmetrically formed in the mounting plate in a left-right mode, the transverse grooves penetrate through the front side wall and the rear side wall of the mounting plate, a movable block is movably connected to an inner cavity of each transverse groove, the front side wall and the rear side wall of each movable block extend out of the transverse grooves, two connecting rods are movably connected to the front side wall and the rear side wall of each movable block, the lower side of each connecting rod, which is far away from one end of each movable block, is movably connected with a bottom plate, a plurality of through holes are uniformly formed in the bottom plate, the upper side of each connecting rod, which is far away from one end of each movable block, is movably connected with a top plate, a first spring is fixedly connected to the side wall, which is close to the center of the mounting plate, of each movable block, one end, which is far away, swing joint between rack and the mounting panel, the upside of cross slot is seted up flutedly, the recess runs through the top surface setting of mounting panel, fixedly connected with pivot in the recess, swing joint has first gear on the lateral wall of pivot, intermeshing sets up between first gear and the rack, bilateral symmetry is provided with two clamping device on the top surface of mounting panel, the center of mounting panel is provided with buffer.

preferably, the clamping device comprises a movable plate, two movable grooves are symmetrically formed in the top surface of the mounting plate in the left-right direction, the movable grooves penetrate through the left side wall and the right side wall of the mounting plate, first sliding grooves are formed in the front side wall and the rear side wall of each movable groove, first sliding blocks are fixedly connected to the front side wall and the rear side wall of each movable plate, the first sliding blocks are inserted into the first sliding grooves, the first sliding blocks and the first sliding grooves are movably connected, deep grooves are formed in the top surface of the movable plate, clamping plates are movably connected in the deep grooves, two first threaded holes are symmetrically formed in the front side wall and the rear side wall of each clamping plate, the first threaded holes penetrate through the left side wall and the right side wall of each clamping plate, first threaded rods are movably connected in the first threaded holes, and the two ends of each first threaded rod extend out of the first threaded holes, equal fixedly connected with second gear, two on the lateral wall of mounting panel center one side was kept away from to first threaded rod connect through chain drive between the second gear, one of them first threaded rod is kept away from mounting panel center one end and is run through fly leaf fixedly connected with runner, swing joint between first threaded rod and the fly leaf, fixedly connected with latch on the bottom surface of fly leaf, intermeshing sets up between latch and the first gear.

Preferably, buffer includes the second threaded rod, the second screw hole has been seted up at the center of mounting panel, swing joint between second threaded rod and the second screw hole, fixed connection between mounting panel and the roof is extended on the top of second threaded rod, roof one end fixedly connected with round wheel is kept away from to the second threaded rod, the round hole has been seted up on the bottom surface of second threaded rod, the stand has been inserted in the round hole, the stand is located round hole inner chamber one end fixedly connected with second spring, stand one end fixed connection is kept away from to the second spring on the top surface of round hole, the stand is kept away from second spring one end and is extended round hole fixed connection on the top surface of bottom plate.

Preferably, a second sliding groove is formed in the bottom surface of the top plate, the second sliding groove is in a circular shape and is arranged at the upper side of the connecting rod, one end of the connecting rod, far away from the movable block, is movably connected with a second sliding block, the second sliding block is inserted into the second sliding groove and is movably connected with the second sliding groove.

Preferably, the clamping plate is fixedly connected with a rubber pad, and the rubber pad is fixedly connected to the side wall of the opposite side of the clamping plate.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a be provided with buffer, when vibrating, the gearbox on the roof drives second threaded rod and mounting panel motion through the roof for the second spring contracts, cushions the gearbox, and the damage of vibration to the gearbox is effectively avoided; the top plate pushes the movable block on the connecting rod to move in the transverse groove by arranging the first spring, and the first spring plays a role in buffering to absorb shock for the gearbox; through being provided with clamping device, make splint be close to each other through rotating the runner and fix the gearbox to when the movable block motion, through the first gear of rack toothing, the latch on the first gear meshing fly leaf makes the tighter of splint centre gripping, and the effectual damage of avoiding the gearbox is fixed effectual, simultaneously, through rotating the runner, can be convenient dismantle the operation to the gearbox on the roof, makes things convenient for the maintenance in later stage.

Drawings

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

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

FIG. 3 is an enlarged view of the point A of FIG. 1 according to the present invention;

Fig. 4 is a schematic view of the bottom structure of the top plate of the present invention.

Reference numbers in the figures: 1. mounting a plate; 2. a transverse groove; 3. a movable block; 4. a connecting rod; 5. a base plate; 6. a through hole; 7. a top plate; 8. a first spring; 9. a rack; 10. a groove; 11. a rotating shaft; 12. a first gear; 13. a clamping device; 14. a buffer device; 15. a movable plate; 16. a first chute; 17. a first slider; 18. a splint; 19. a first threaded rod; 20. a second gear; 21. a chain; 22. a rotating wheel; 23. clamping teeth; 24. a second threaded rod; 25. a round wheel; 26. a column; 27. a second spring; 28. a second chute; 29. a second slider; 30. and (7) a rubber pad.

Detailed Description

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

Referring to fig. 1-4, the present invention provides a technical solution: an adjustable tractor gearbox comprises a mounting plate 1, wherein two transverse grooves 2 are symmetrically arranged on the mounting plate 1 in a left-right mode, the transverse grooves 2 penetrate through the front side wall and the rear side wall of the mounting plate 1, a movable block 3 is movably connected in an inner cavity of each transverse groove 2, the front side wall and the rear side wall of each movable block 3 are respectively extended out of the transverse grooves 2, two connecting rods 4 are movably connected on the front side wall and the rear side wall of each movable block 3, one ends, far away from the movable blocks 3, of the lower connecting rods 4 are movably connected with a same bottom plate 5, a plurality of through holes 6 are uniformly distributed on the bottom plate 5, one ends, far away from the movable blocks 3, of the upper connecting rods 4 are movably connected with a same top plate 7, a second sliding groove 28 is formed in the bottom surface of the top plate 7, the second sliding groove 28 is in a circular arrangement, one end, far away from the, the height of the top plate 7 can be conveniently adjusted, a first spring 8 is fixedly connected to the side wall of one side of the movable block 3 close to the center of the mounting plate 1, one end of the first spring 8 far away from the movable block 3 is fixedly connected to the side wall of the transverse groove 2, a rack 9 is fixedly connected to one side of the movable block 3 far away from the first spring 8, one side of the rack 9 far away from the movable block 3 penetrates through the transverse groove 2 to extend out of the mounting plate 1, the rack 9 is movably connected with the mounting plate 1, a groove 10 is formed in the upper side of the transverse groove 2, the groove 10 penetrates through the top surface of the mounting plate 1, a rotating shaft 11 is fixedly connected in the groove 10, a first gear 12 is movably connected to the side wall of the rotating shaft 11, the first gear 12 and the rack 9 are mutually meshed, two clamping devices 13 are symmetrically arranged on the top surface of the mounting plate 1, each, the movable groove penetrates through the left side wall and the right side wall of the mounting plate 1, the front side wall and the rear side wall of the movable groove are respectively provided with a first sliding groove 16, the front side wall and the rear side wall of the movable plate 15 are respectively and fixedly connected with a first sliding block 17, the first sliding block 17 is inserted into the first sliding groove 16, the first sliding block 17 and the first sliding groove 16 are movably connected, the top surface of the movable plate 15 is provided with a deep groove, a clamping plate 18 is movably connected in the deep groove, a rubber pad 30 is fixedly connected on the clamping plate 18, the rubber pad 30 is fixedly connected on the side wall of one side opposite to the clamping plate 18, so that the fixation is more firm and stable, the clamping plate 18 is provided with two first threaded holes in a front-back symmetrical mode on the side wall of the inner cavity of the deep groove, the first threaded holes penetrate through the left side wall and the right side wall of the clamping plate, the side walls of the first threaded rods 19, which are far away from the center of the mounting plate 1, are fixedly connected with second gears 20, the two second gears 20 are in transmission connection through a chain 21, one end, which is far away from the center of the mounting plate 1, of one first threaded rod 19 penetrates through the movable plate 15 and is fixedly connected with a rotating wheel 22, the first threaded rod 19 is movably connected with the movable plate 15, the bottom surface of the movable plate 15 is fixedly connected with a latch 23, the latch 23 and the first gear 12 are meshed with each other, the gearbox can be firmly fixed, the damage of the gearbox is avoided, meanwhile, the disassembly and the fixing operation of the gearbox can be conveniently realized by rotating the rotating wheel 22, the later maintenance is convenient, the center of the mounting plate 1 is provided with a buffer device 14, the buffer device 14 comprises a second threaded rod 24, the center of the mounting plate 1 is provided with a second threaded hole, fixed connection between mounting panel 1 and the roof 7 is extended on the top of second threaded rod 24, 7 one end fixedly connected with rounds of 25 of roof are kept away from to second threaded rod 24, the round hole has been seted up on the bottom surface of second threaded rod 24, it has stand 26 to insert in the round hole, stand 26 is located round hole inner chamber one end fixedly connected with second spring 27, stand 26 one end fixed connection is kept away from on the top surface of round hole to second spring 27, stand 26 is kept away from second spring 27 one end and is extended round hole fixed connection on the top surface of bottom plate 5, carry out the shock attenuation to the gearbox, the effectual possibility of avoiding because the damage that vibrations caused the gearbox.

The working principle is as follows: when the utility model is used, the through hole 6 on the bottom plate 5 of the device is firstly aligned with the mounting hole on the frame, the device is firmly fixed on the frame of the tractor through bolts, the second threaded rod 24 is driven to rotate through rotating the round wheel 25, the height of the top plate 7 can be changed according to actual requirements by rotating the second threaded rod 24 in the second threaded hole, the use is convenient, the gearbox is placed on the top surface of the top plate 7, the first threaded rod 19 is driven to rotate by rotating the rotating wheel 22, the second gears 20 at two sides are driven to rotate by the chain 21, so that the two first threaded rods 19 rotate, the first threaded rods 19 drive the clamping plate 18 to move towards one side of the top plate 7 to fix the gearbox, the fixing is firmer and more stable through the rubber pad 30, meanwhile, when the gearbox needs to be maintained, the gearbox can be conveniently taken down from the top plate 7 only by rotating the rotating wheel 22 in the direction; when the tractor is at the during operation, the outside vibration makes the gearbox vibrate, roof 7 drives second threaded rod 24 compression second spring 27, shrink or extension through second spring 27 carry out the shock attenuation to the gearbox, avoid the damage of gearbox, meanwhile, roof 7 promotes the movable block 3 through connecting rod 4 and moves in horizontal groove 2, the effect through first spring 8 carries out the shock attenuation to roof 7, movable block 3 drives the rotation of rack 9 meshing first gear 12, latch 23 on first gear 12 meshing fly leaf 15, drive fly leaf 15 to roof 7 one side motion in the movable groove, make splint 18 tighter with the gearbox centre gripping, the effectual activity and the damage of avoiding the gearbox.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an adjustable tractor gearbox, includes mounting panel (1), its characterized in that: the mounting plate is characterized in that two transverse grooves (2) are symmetrically arranged on the mounting plate (1), the transverse grooves (2) penetrate through the front side wall and the rear side wall of the mounting plate (1), the inner cavity of each transverse groove (2) is movably connected with a movable block (3), the front side wall and the rear side wall of each movable block (3) extend out of the transverse grooves (2), the front side wall and the rear side wall of each movable block (3) are movably connected with two connecting rods (4), the lower side of each connecting rod (4) is movably connected with the same bottom plate (5) at the end far away from the movable block (3), the bottom plate (5) is uniformly distributed with a plurality of through holes (6), the upper side of each connecting rod (4) is movably connected with the same top plate (7) at the end far away from the movable block (3), a first spring (8) is fixedly connected on the side wall of one side of the movable block (3) close to the center of the mounting plate (1), first spring (8) one side fixedly connected with rack (9) is kept away from in movable block (3), movable block (3) one side is kept away from in rack (9) and is run through transverse groove (2) and extend mounting panel (1) setting, swing joint between rack (9) and mounting panel (1), the upside of transverse groove (2) is seted up fluted (10), the top surface setting that mounting panel (1) was run through in recess (10), fixedly connected with pivot (11) in recess (10), swing joint has first gear (12) on the lateral wall of pivot (11), intermeshing sets up between first gear (12) and rack (9), bilateral symmetry is provided with two clamping device (13) on the top surface of mounting panel (1), the center of mounting panel (1) is provided with buffer (14).

2. The adjustable tractor gearbox of claim 1, wherein: the clamping device (13) comprises a movable plate (15), two movable grooves are symmetrically formed in the top surface of the mounting plate (1) in the left-right direction, the movable grooves penetrate through the left side wall and the right side wall of the mounting plate (1), first sliding grooves (16) are formed in the front side wall and the rear side wall of each movable groove, first sliding blocks (17) are fixedly connected to the front side wall and the rear side wall of the movable grooves (15), the first sliding blocks (17) are inserted into the first sliding grooves (16) to be arranged, the first sliding blocks (17) are movably connected with the first sliding grooves (16) in the front-rear direction, deep grooves are formed in the top surface of the movable plate (15), clamping plates (18) are movably connected into the deep grooves, two first threaded holes are symmetrically formed in the front-rear direction on the side wall of the deep groove inner cavity of each clamping plate (18), the first threaded holes penetrate through the left side wall and the right side wall of each, swing joint between the lateral wall about first screw hole and deep trouth all extends at the both ends of first threaded rod (19), equal fixedly connected with second gear (20), two on the lateral wall of mounting panel (1) center one side is kept away from in first threaded rod (19) be connected through chain (21) transmission between second gear (20), one of them mounting panel (15) fixedly connected with runner (22) are run through to first threaded rod (19) center one end of keeping away from, swing joint between first threaded rod (19) and fly leaf (15), fixedly connected with latch (23) on the bottom surface of fly leaf (15), intermeshing setting between latch (23) and first gear (12).

3. The adjustable tractor gearbox of claim 1, wherein: the buffer device (14) comprises a second threaded rod (24), a second threaded hole is formed in the center of the mounting plate (1), the second threaded rod (24) is movably connected with the second threaded hole, the top end of the second threaded rod (24) extends out of the mounting plate (1) and is fixedly connected with the top plate (7), one end of the second threaded rod (24) far away from the top plate (7) is fixedly connected with a round wheel (25), a round hole is arranged on the bottom surface of the second threaded rod (24), an upright post (26) is inserted into the round hole, one end of the upright post (26) positioned in the inner cavity of the round hole is fixedly connected with a second spring (27), one end of the second spring (27) far away from the upright post (26) is fixedly connected to the top surface of the round hole, one end of the upright post (26) far away from the second spring (27) extends out of a round hole to be fixedly connected to the top surface of the bottom plate (5).

4. The adjustable tractor gearbox of claim 1, wherein: second spout (28) have been seted up on the bottom surface of roof (7), second spout (28) are circular setting, upside connecting rod (4) are kept away from the equal swing joint of movable block (3) one end and are had second slider (29), second slider (29) insert and set up in second spout (28), swing joint between second slider (29) and second spout (28).

5. The adjustable tractor gearbox of claim 2, wherein: the clamping plate (18) is fixedly connected with a rubber pad (30), and the rubber pad (30) is fixedly connected to the side wall of the opposite side of the clamping plate (18).