CN111674453A - Handrail with limiting function for tractor and mounting method thereof - Google Patents
Handrail with limiting function for tractor and mounting method thereof Download PDFInfo
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- CN111674453A CN111674453A CN202010731904.7A CN202010731904A CN111674453A CN 111674453 A CN111674453 A CN 111674453A CN 202010731904 A CN202010731904 A CN 202010731904A CN 111674453 A CN111674453 A CN 111674453A
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- 238000000034 method Methods 0.000 title claims description 13
- 210000001503 joint Anatomy 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims 1
- 238000012856 packing Methods 0.000 claims 1
- 230000001737 promoting effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 230000009977 dual effect Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
- B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
- B62D1/12—Hand levers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D49/00—Tractors
Abstract
The invention discloses a handrail with a limiting function for a tractor, which comprises a first connecting seat, a second connecting seat, a first holding rod and a second holding rod, wherein the first holding rod is fixedly sleeved on the outer surface of one side of the first connecting seat, the second holding rod is fixedly sleeved on the outer surface of the other side of the first connecting seat, the second connecting seat is arranged at one end of the first connecting seat, a first clamping seat is fixedly arranged on the outer surface of one end of the first connecting seat, a second clamping seat is fixedly arranged on the outer surface of one end of the second connecting seat, the first connecting seat and the second connecting seat are fixedly butted and fixed through the first clamping seat and the second clamping seat, two groups of rotating grooves are formed in the inner side of the first clamping seat, and two groups of rotating clamping rings are fixedly arranged on the outer surface of the side edge of the second clamping seat; make this tractor handrail have spacing locking structure, promote its self functionality, make it have rotation type angle modulation structure simultaneously, flexibility when promoting the operation of tractor handrail.
Description
Technical Field
The invention belongs to the technical field of tractor equipment, and particularly relates to a handrail with a limiting function for a tractor.
Background
The tractor is a self-propelled power machine used for towing and driving operation machinery to complete various mobile operations, can also be used as fixed operation power, and is composed of an engine, transmission systems, traveling systems, steering systems, hydraulic suspension systems, power output systems, electric instruments, driving control systems, towing systems and other systems or devices.
The tractor handle convenient to stretch and retract disclosed by the reference document CN210083320U comprises a head, wherein a box body is fixedly connected to the outer wall of one side of the head, a cavity is formed in the box body, first grooves are symmetrically formed in the inner wall, close to the head, of one side of the cavity, two first groove inner walls are fixedly connected with mounting seats, two air cylinders are fixedly connected to the outer wall, far away from the head, of one side of the mounting seats, piston rods are arranged at the ends, far away from the mounting seats, of the two air cylinders, backing plates are fixedly connected to the ends, far away from the air cylinders, of the two piston rods, and the outer wall, far away from the piston rods, of one side of the two backing plates is fixedly connected with the same lifting plate.
The conventional tractor handrail only has a single auxiliary supporting function, and mainly performs steering operation on the walking tractor in the running process of the walking tractor, so that a user cannot perform auxiliary limiting operation in the running process of the tractor through the conventional tractor handrail, and the functionality of the tractor handrail is reduced; secondly, the traditional tractor handrail does not have an angle adjusting structure, so that the traditional tractor handrail cannot be adjusted at any angle according to the requirements of a user, and the flexibility of the tractor handrail in use is reduced; meanwhile, the traditional tractor handrail does not have an auxiliary buffer structure, the tractor can generate certain vibration sense in the driving process, the vibration sense is transmitted to the handle through the tractor handrail, when a user controls the tractor handrail for a long time, the vibration sense is directly transmitted to the hand of the user, the comfort of the tractor handrail during operation is reduced, and certain adverse effect is brought to the user.
Disclosure of Invention
In order to overcome the defect that the traditional tractor handrail only has a single auxiliary supporting function, the steering operation is mainly carried out on the hand tractor during the running process of the hand tractor, and a user can not carry out auxiliary limiting operation during the running process of the tractor through the traditional tractor handrail, so that the functionality of the tractor handrail is reduced; secondly, the traditional tractor handrail does not have an angle adjusting structure, so that the traditional tractor handrail cannot be adjusted at any angle according to the requirements of a user, and the flexibility of the tractor handrail in use is reduced; meanwhile, the traditional tractor handrail does not have an auxiliary buffer structure, the tractor can generate certain vibration sense in the driving process, the vibration sense is transmitted to the handle through the tractor handrail, when a user controls the tractor handrail for a long time, the vibration sense is directly transmitted to the hand of the user, the comfort of the tractor when the tractor handrail is operated is reduced, and the handrail which is used for the tractor and has the limiting function is provided.
The purpose of the invention is realized by the following technical scheme:
a handrail with a limiting function for a tractor comprises a first connecting seat, a second connecting seat, a first holding rod and a second holding rod, wherein the first holding rod is fixedly sleeved on the outer surface of one side of the first connecting seat, the second holding rod is fixedly sleeved on the outer surface of the other side of the first connecting seat, the second connecting seat is arranged at one end of the first connecting seat, a first clamping seat is fixedly arranged on the outer surface of one end of the first connecting seat, a second clamping seat is fixedly arranged on the outer surface of one end of the second connecting seat, the first connecting seat and the second connecting seat are fixedly butted and fixedly through the first clamping seat and the second clamping seat, two groups of rotating grooves are formed in the inner side of the first clamping seat, two groups of rotating clamping rings are fixedly arranged on the outer surface of the side edge of the second clamping seat, the first clamping seat and the second clamping seat are movably connected through the rotating grooves and the rotating clamping rings, a positioning clamping column is fixedly sleeved on the inner side of one end of the first, and the outer fixed surface of one end of the locator card post is provided with a rotating chuck, the outer surface of the other end of the first clamping seat is provided with a fixed clamping ring, the inner surfaces of the two sides of the first connecting seat are provided with butt joint clamping grooves, the outer surfaces of one ends of the first holding rod and the second holding rod are fixedly provided with steering clamping seats, and the first holding rod, the second holding rod and the first connecting seat are fixedly connected through the steering clamping seats and the butt joint clamping grooves.
As a further technical scheme, a limit stop lever is movably sleeved on the inner side of the other end of the first connecting seat, an inner sleeve rod is movably mounted on the inner side of the first connecting seat, a steering connecting disc is fixedly mounted on the outer surface of one end of the inner sleeve rod, two groups of fixing pins are fixedly mounted on the inner side of the other end of the inner sleeve rod, a plurality of groups of thread grooves are formed in the outer surface of the side edge of the inner sleeve rod, a butt-joint rotating sleeve is fixedly mounted in the middle of the outer surface of the limit stop lever, the limit stop lever and the inner sleeve rod are movably connected through the steering connecting disc and the butt-joint rotating sleeve, a gear handle is fixedly mounted on the outer surface of one end of the limit stop lever, a limit chuck is fixedly mounted on the outer surface of the other end of the limit stop lever, a rubber gasket is arranged.
As a further technical scheme, fixed pull rods are movably mounted at the other ends of the first holding rod and the second holding rod, telescopic columns are arranged among the first holding rod, the second holding rod and the fixed pull rods, the first holding rod, the second holding rod and the fixed pull rods are movably connected through the telescopic columns, limiting clamp pins are movably sleeved at the upper parts of the first holding rod and the second holding rod, a fixed handle is movably sleeved on the outer surface of the fixed pull rod, and a circular baffle disc is fixedly sleeved on the outer surface of the side edge of the fixed handle.
As a further technical scheme of the invention, a telescopic connecting rod is fixedly arranged in the middle of the outer surface of one end of the fixed handle, a spring column is movably sleeved on the outer surface of the side edge of the telescopic connecting rod, a fixed buckle is fixedly arranged at one end, close to the spring column, of the outer surface of the side edge of the telescopic connecting rod, the fixed handle is movably connected with the fixed connecting rod through the telescopic connecting rod, and a baffle disc is movably sleeved at the other end, close to the spring column, of the outer surface of the side edge of the telescopic connecting rod.
As a further technical scheme, a fixing screw rod is sleeved at the middle position of the inner side of the steering clamping seat, a fixing spiral ring is fixedly sleeved on the outer surface of the bottom of the fixing screw rod, and the first supporting rod, the second supporting rod and the steering clamping seat are fixed through welding.
As a further technical scheme, a rotary clamping frame is movably mounted between the first holding rod and the second holding rod, a brake handle is arranged at the lower portion of the rotary clamping frame, an extension tube is movably mounted on the inner side of the rotary clamping frame, and two groups of positioning clamping rings are fixedly mounted on the outer surface of the side edge of the rotary clamping frame.
As a further technical scheme of the invention, a plurality of groups of circular groove clamping grooves are formed in the inner side of the extension tube, a rotating shaft is arranged at the lower end of the rotating clamping frame, and the first holding rod, the second holding rod and the rotating clamping frame are movably connected through the rotating shaft.
As a further technical scheme, a clutch box is fixedly mounted at one end of the first holding rod close to the side edge of the fixed pull rod, and the first holding rod and the second holding rod are both hollow structures.
As a further technical scheme of the invention, the overall structure of the limiting stop lever is a cylindrical hollow structure, and two groups of arc-shaped notches are formed in the side edge of the gear handle.
A method for mounting a handrail with a limiting function for a tractor comprises the following specific steps:
step one, inserting a rotary clamping ring of a second clamping seat into a rotary groove of a first clamping seat, rotating the second clamping seat and the first clamping seat by utilizing the connection between the rotary clamping ring and the rotary groove according to the use angles of a first holding rod and a second holding rod, adjusting the use angles of the first holding rod and the second holding rod, simultaneously rotating a rotary clamping disc on a positioning clamping column, and locking the rotatably adjusted second clamping seat and the first clamping seat in a matching manner by matching with a fixed clamping ring;
inserting steering clamping seats of the first supporting rod and the second supporting rod into butt-joint clamping grooves on two sides of the first connecting seat, simultaneously inserting a fixing screw rod into the steering clamping seats, rotating the first supporting rod and the second supporting rod in a matching mode through the fixing screw rod, adjusting an included angle between the first supporting rod and the second supporting rod, simultaneously rotating the fixing screw rod, locking the rotated first supporting rod and the rotated second supporting rod in a matching mode through the fixing screw rod, pulling a fixing handle at one end of the fixing pull rod to draw out a telescopic column of the fixing pull rod from one ends of the first supporting rod and the second supporting rod, adjusting the service lengths of the first supporting rod and the second supporting rod, and simultaneously locking the drawn telescopic column through a limiting clamping pin;
and step three, utilizing the fixed pin at one end of the inner sleeve rod to sleeve the inner sleeve rod on the first connecting seat, simultaneously rotating the gear handle at one end of the limit stop rod, matching the connection between the steering flange and the butt joint rotating sleeve, rotating the limit stop rod on the inner sleeve rod, driving the limit chuck at one end of the limit stop rod to move through the thread groove between the inner sleeve rod and the limit stop rod when the limit stop rod rotates, and matching the rubber gasket to lock the limit stop rod at one end of the first connecting seat.
The invention has the beneficial effects that:
1. by arranging the inner sleeve rod and the limiting chuck, when a user operates the tractor through the tractor handrail, the user can drive the limiting stop rod to rotate by rotating the gear handle at one end of the limiting stop rod to match the connection between the steering connecting disc and the butt-joint rotating sleeve, the limiting stop rod is rotated on the inner sleeve rod, when the limiting stop rod rotates, the limiting chuck at one end of the limiting stop rod is driven to move by passing through the thread groove between the inner sleeve rod and the limiting stop rod, the limiting stop rod is locked at one end of the first connecting seat by matching with a rubber gasket, so that the limiting stop rod can carry out limiting locking operation on the gear after completing the gear engaging operation of the tractor, thereby avoiding the gear jumping phenomenon of the tractor in the driving process, and the tractor handrail has a gear locking structure by utilizing the arrangement of the inner sleeve rod and the limiting chuck, and improving the self functionality of the tractor handrail, is convenient to use.
2. By arranging the first clamping seat and the second clamping seat, when a user operates the tractor through the tractor handrail, the user can insert the rotary clamping ring of the second clamping seat into the rotary groove of the first clamping seat, the second clamping seat and the first clamping seat are rotated according to the use angles of the first holding rod and the second holding rod by utilizing the connection between the rotary clamping ring and the rotary groove to adjust the angle between the second clamping seat and the first clamping seat, so that the use angles of the first holding rod and the second holding rod on the first clamping seat are adjusted, the adjusted first holding rod and second holding rod can be suitable for users with different body types, meanwhile, the rotary clamping chuck on the positioning clamping column is rotated to be matched with the fixed clamping ring to lock the rotationally adjusted second clamping seat and first clamping seat, so that the first holding rod and the second holding rod after angle adjustment are in a fixed state, and the first clamping seat and the second clamping seat are arranged, make this tractor supplementary angle modulation structure that has, make the user can adjust the angle when tractor handrail uses wantonly according to self demand, promote the flexibility when tractor handrail uses.
3. Through setting up flexible extension rod and spring post, when the user grips the first pole and the second pole of holding up of fixed handle to tractor handrail and operates, utilize flexible extension rod to overlap fixed handle on the fixed pull rod of first pole and second pole of holding up, when the tractor produces vibration phenomenon, utilize the spring post that cup joints on the flexible extension rod, make and form elastic buffer structure between fixed handle and the fixed pull rod, when first pole and second are held up the pole and are transmitted the sense of shock to fixed handle through fixed pull rod, utilize the setting of flexible extension rod and spring post, make fixed handle elastic motion on fixed pull rod, thereby effectively reduce the sense of shock that comes on first pole and the second pole of holding up, utilize the setting of flexible extension rod and spring post, make this tractor handrail have elastic buffer structure, travelling comfort when promoting this tractor handrail operation.
4. Through flexible post and flexible pipe, the user is through the fixed handle of pulling fixed pull rod one end, the flexible post that will fix the pull rod is taken out from the one end of first pole and the second pole of holding up, thereby adjust the use length of first pole and the second pole of holding up, utilize spacing bayonet lock to lock the flexible post after taking out simultaneously, simultaneously through the rotatory card frame of pulling, can take out the flexible pipe of rotatory card frame inboard, utilize the use length of the rotatory card frame of flexible pipe extension after taking out, fix the flexible pipe after taking out through the location snap ring, utilize setting up of flexible post and flexible pipe to make this tractor handrail have dual flexible regulation structure, promote its application scope.
Drawings
The invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is an overall structural view of the first card holder and the second card holder in the present invention.
Fig. 3 is an internal structure view of the limit stopper of the present invention.
FIG. 4 is an overall view of a second handrail of the present invention.
Fig. 5 is an overall structural view of the fixed handle in the present invention.
Fig. 6 is an overall configuration view of the rotary jig of the present invention.
In the figure: 1. a first card holder; 2. a first handrail; 3. a limit stop lever; 4. fixing a pull rod; 5. fixing a handle; 6. a clutch box; 7. rotating the clamping frame; 8. a second handrail; 9. a first connecting seat; 10. a second card holder; 11. a second connecting seat; 12. rotating the snap ring; 13. a thread groove; 14. positioning the clamp column; 15. rotating the chuck; 16. butting the clamping grooves; 17. a rotating tank; 18. fixing the snap ring; 19. a fixing pin; 20. a limiting chuck; 21. a steering flange; 22. a gear shift handle; 23. butting and rotating sleeves; 24. an inner loop bar; 25. a rubber gasket; 26. a steering clamping seat; 27. fixing the spiro ring; 28. a telescopic column; 29. a limiting bayonet lock; 30. fixing the screw rod; 31. a telescopic connecting rod; 32. fixing the buckle; 33. a circular baffle disc; 34. a spring post; 35. a rotating shaft; 36. a telescopic pipe; 37. and positioning the snap ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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.
As shown in fig. 1-6, a handrail with a limiting function for a tractor comprises a first joint seat 9, a second joint seat 11, a first holding rod 2 and a second holding rod 8, wherein the first holding rod 2 is fixedly sleeved on the outer surface of one side of the first joint seat 9, the second holding rod 8 is fixedly sleeved on the outer surface of the other side of the first joint seat 9, the second joint seat 11 is arranged at one end of the first joint seat 9, a first clamping seat 1 is fixedly arranged on the outer surface of one end of the first joint seat 9, a second clamping seat 10 is fixedly arranged on the outer surface of one end of the second joint seat 11, the first joint seat 9 and the second joint seat 11 are fixedly butted with each other through the first clamping seat 1 and the second clamping seat 10, two groups of rotating grooves 17 are arranged on the inner side of the first clamping seat 1, two groups of rotating clamping rings 12 are fixedly arranged on the outer surface of the side edge of the second clamping seat 10, the first clamping seat 1 and the second clamping seat 10 are movably connected through the rotating grooves 17, the fixed cover in one end inboard of first cassette 1 has connect locator card post 14, and the one end external surface fixed mounting of locator card post 14 has rotating chuck 15, the other end surface of first cassette 1 is equipped with fixed snap ring 18, butt joint draw-in groove 16 has all been seted up to the both sides internal surface of first joint chair 9, the equal fixed mounting of one end surface of first pole 2 and second pole 8 has turned to cassette 26, all through turning to cassette 26 and butt joint draw-in groove 16 fixed connection between first pole 2, the second pole 8 and the first joint chair 9.
The inner side of the other end of the first connecting seat 9 is movably sleeved with a limiting stop lever 3, the inner side of the first connecting seat 9 is movably provided with an inner sleeve lever 24, the outer surface of one end of the inner sleeve lever 24 is fixedly provided with a steering connecting disc 21, the inner side of the other end of the inner sleeve lever 24 is fixedly provided with two groups of fixing pins 19, the outer surface of the side edge of the inner sleeve lever 24 is provided with a plurality of groups of thread grooves 13, the middle position of the outer surface of the limiting stop lever 3 is fixedly provided with a butt-joint rotating sleeve 23, the limiting stop lever 3 and the inner sleeve lever 24 are movably connected through the steering connecting disc 21 and the butt-joint rotating sleeve 23, the outer surface of one end of the limiting stop lever 3 is fixedly provided with a gear handle 22, the outer surface of the other end of the limiting stop lever 3 is fixedly provided with a limiting chuck 20, the outer surface of the limiting chuck 20 is provided with a rubber gasket 25, increasing the friction of the spacing chuck 20.
The equal movable mounting of the other end of first pole 2 and the second pole of holding up 8 has fixed pull rod 4, and first pole 2 of holding up, the second is held up and all is equipped with flexible post 28 between pole 8 and the fixed pull rod 4, first pole 2 of holding up, all through flexible post 28 swing joint between pole 8 and the fixed pull rod 4 is held up to the second, first pole 2 of holding up and the second upper portion of holding up 8 is all moved about and has been cup jointed spacing bayonet lock 29, utilize spacing bayonet lock 28 to play the fixed action to flexible post 29, fixed handle 5 has been cup jointed in the surface activity of fixed pull rod 4, circular fender dish 33 has been cup jointed in the side fixed surface of fixed handle 5.
The middle position of the inner side of the steering clamping seat 26 is sleeved with a fixing screw 30, the outer surface of the bottom of the fixing screw 30 is fixedly sleeved with a fixing spiral ring 27, and the first supporting rod 2, the second supporting rod 8 and the steering clamping seat 26 are fixed through welding.
A rotary clamping frame 7 is movably arranged between the first holding rod 2 and the second holding rod 8, a brake handle is arranged at the lower part of the rotary clamping frame 7, an extension tube 36 is movably arranged on the inner side of the rotary clamping frame 7, and two groups of positioning clamping rings 37 are fixedly arranged on the outer surface of the side edge of the rotary clamping frame 7.
A plurality of groups of circular groove clamping grooves are formed in the inner side of the extension tube 36, a rotating shaft 35 is arranged at the lower end of the rotary clamping frame 7, and the first supporting rod 2, the second supporting rod 8 and the rotary clamping frame 7 are movably connected through the rotating shaft 35.
The side fixed mounting that the one end of first right hand bar 2 is close to fixed pull rod 4 has separation and reunion case 6, and the inside of first right hand bar 2 and second right hand bar 8 is hollow structure.
The whole structure of the limit stop lever 3 is a cylindrical hollow structure, and two groups of arc-shaped notches are formed in the side edge of the gear handle 22.
A method for mounting a handrail with a limiting function for a tractor comprises the following specific steps:
step one, inserting a rotary clamping ring 12 of a second clamping seat 10 into a rotary groove 17 of a first clamping seat 1, rotating the second clamping seat 10 and the first clamping seat 1 by utilizing the connection between the rotary clamping ring 12 and the rotary groove 17 according to the use angles of a first supporting rod 2 and a second supporting rod 8, adjusting the use angles of the first supporting rod 2 and the second supporting rod 8, simultaneously rotating a rotary chuck 15 on a positioning clamping column 14, and locking the second clamping seat 10 and the first clamping seat 1 after rotation adjustment by matching with a fixed clamping ring 18;
step two, inserting the steering clamping seats 26 of the first supporting rod 2 and the second supporting rod 8 into the butt-joint clamping grooves 16 on two sides of the first connecting seat 9, simultaneously inserting the fixing screw 30 into the steering clamping seats 26, rotating the first supporting rod 2 and the second supporting rod 8 by matching with the fixing screw 30, adjusting the included angle between the first supporting rod 2 and the second supporting rod 8, simultaneously rotating the fixing screw 30, locking the rotated first supporting rod 2 and the rotated second supporting rod 8 by matching with the fixing spiral ring 27, pulling the fixing handle 5 at one end of the fixing pull rod 4, extracting the telescopic column 28 of the fixing pull rod 4 from one ends of the first supporting rod 2 and the second supporting rod 8, adjusting the use lengths of the first supporting rod 2 and the second supporting rod 8, and simultaneously locking the extracted telescopic column 28 by using the limiting clamping pin 29;
and step three, sleeving the inner sleeve rod 24 on the first joint seat 9 by using the fixed pin 19 at one end of the inner sleeve rod 24, simultaneously rotating the gear handle 22 at one end of the limit stop rod 3, matching with the connection between the steering flange 21 and the butt-joint rotating sleeve 23, rotating the limit stop rod 3 on the inner sleeve rod 24, driving the limit chuck 20 at one end of the limit stop rod 3 to move when the limit stop rod 3 rotates through the thread groove 13 between the inner sleeve rod 24 and the limit stop rod 3, and matching with the rubber gasket 25 to lock the limit stop rod 3 at one end of the first joint seat 9.
The invention aims to provide a handrail with a limiting function for a tractor, when in use, by arranging an inner sleeve rod 24 and a limiting chuck 20, when a user operates the tractor through the tractor handrail, the user can drive the limiting stop rod 3 to rotate by rotating a gear handle 22 at one end of the limiting stop rod 3, the limiting stop rod 3 is driven to rotate by matching with the connection between a steering wheel 21 and a butt-joint rotating sleeve 23, the limiting stop rod 3 is rotated on the inner sleeve rod 24, when the limiting stop rod 3 rotates, the limiting chuck 20 at one end of the limiting stop rod 3 is driven to move by a thread groove 13 between the inner sleeve rod 24 and the limiting stop rod 3, the limiting stop rod 3 is locked at one end of a first connecting seat 9 by matching with a rubber gasket 25, so that the limiting lock operation can be carried out on the gear of the limiting stop rod 3 after the gear engaging operation of the tractor is finished, thereby avoiding the gear jump phenomenon of the tractor in the driving process, by means of the arrangement of the inner loop bar 24 and the limiting chuck 20, the tractor handrail has a gear locking structure, the functionality of the tractor handrail is improved, and the use is convenient;
by arranging the first clamping seat 1 and the second clamping seat 10, when a user operates the tractor through the tractor handrail, the user can insert the rotary snap ring 12 of the second clamping seat 10 into the rotary groove 17 of the first clamping seat 1, and adjust the angle between the second clamping seat 10 and the first clamping seat 1 by utilizing the connection between the rotary snap ring 12 and the rotary groove 17 according to the use angles of the first holding rod 2 and the second holding rod 8, so as to adjust the use angles of the first holding rod 2 and the second holding rod 8 on the first clamping seat 1 by rotating the second clamping seat 10 and the first clamping seat 1, so that the adjusted first holding rod 2 and the adjusted second holding rod 8 can be suitable for users with different body types, and simultaneously, the rotary chuck 15 on the positioning clamping column 14 is rotated to be matched with the fixed snap ring 18 to lock the rotationally adjusted second clamping seat 10 and the first clamping seat 1, so that the first holding rod 2 and the second holding rod 8 after angle adjustment are in a fixed state, by means of the arrangement of the first clamping seat 1 and the second clamping seat 10, the tractor is assisted to have an angle adjusting structure, so that a user can randomly adjust the angle of the tractor handrail in use according to the self requirement, and the flexibility of the tractor handrail in use is improved;
by arranging the telescopic connecting rod 31 and the spring column 34, when a user holds the fixed handle 5 to operate the first holding rod 2 and the second holding rod 8 of the tractor handrail, the fixed handle 5 is sleeved on the fixed pull rod 4 of the first holding rod 2 and the second holding rod 8 by the telescopic connecting rod 31, when the tractor generates a vibration phenomenon, the spring column 34 sleeved on the telescopic connecting rod 31 is utilized to form an elastic buffer structure between the fixed handle 5 and the fixed pull rod 4, when the first holding rod 2 and the second holding rod 8 transmit the vibration sense to the fixed handle 5 through the fixed pull rod 4, the fixed handle 5 elastically moves on the fixed pull rod 4 by the arrangement of the telescopic connecting rod 31 and the spring column 34, so that the vibration sense transmitted from the first holding rod 2 and the second holding rod 8 is effectively reduced, and the tractor handrail has the elastic buffer structure by the arrangement of the telescopic connecting rod 31 and the spring column 34, the comfort of the tractor handrail during operation is improved;
through flexible post 28 and flexible pipe 36, the user is through the fixed handle 5 of the fixed pull rod 4 one end of pulling, the flexible post 28 of fixed pull rod 4 is taken out from the one end of first handrail 2 and second handrail 8, thereby adjust the use length of first handrail 2 and second handrail 8, utilize spacing bayonet lock 29 locking to take out flexible post 28 after simultaneously, simultaneously through pulling rotatory card frame 7, can take out the flexible pipe 36 of rotatory card frame 7 inboard, utilize the flexible pipe 36 extension after taking out to rotate the use length of card frame 7, fix the flexible pipe 36 after taking out through location snap ring 37, utilize the setting of flexible post 28 and flexible pipe 36 to make this tractor handrail have dual flexible regulation structure, promote its application scope.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. Preferred embodiments are not exhaustive of all the details of the embodiments. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. A handrail with a limiting function for a tractor is characterized by comprising a first joint seat (9), a second joint seat (11), a first supporting rod (2) and a second supporting rod (8), wherein the first supporting rod (2) is fixedly sleeved on the outer surface of one side of the first joint seat (9), the second supporting rod (8) is fixedly sleeved on the outer surface of the other side of the first joint seat (9), the second joint seat (11) is arranged at one end of the first joint seat (9), a first clamping seat (1) is fixedly arranged on the outer surface of one end of the first joint seat (9), a second clamping seat (10) is fixedly arranged on the outer surface of one end of the second joint seat (11), the first joint seat (9) and the second joint seat (11) are fixedly butted through the first clamping seat (1) and the second clamping seat (10), two groups of rotating grooves (17) are formed in the inner side of the first clamping seat (1), two groups of rotary clamping rings (12) are fixedly arranged on the outer surface of the side edge of the second clamping seat (10), the first clamping seat (1) and the second clamping seat (10) are movably connected through a rotating groove (17) and a rotating clamping ring (12), a positioning clamp column (14) is fixedly sleeved on the inner side of one end of the first clamp seat (1), and a rotary chuck (15) is fixedly arranged on the outer surface of one end of the positioning chuck column (14), a fixed snap ring (18) is arranged on the outer surface of the other end of the first clamping seat (1), the inner surfaces of the two sides of the first connecting seat (9) are both provided with butt joint clamping grooves (16), the outer surfaces of one ends of the first holding rod (2) and the second holding rod (8) are fixedly provided with steering clamping seats (26), the first supporting rod (2), the second supporting rod (8) and the first connecting seat (9) are fixedly connected with the butt joint clamping groove (16) through a steering clamping seat (26).
2. The handrail with the limiting function for the tractor according to claim 1, wherein a limiting stop lever (3) is movably sleeved on the inner side of the other end of the first connecting seat (9), an inner sleeve rod (24) is movably installed on the inner side of the first connecting seat (9), a steering connecting disc (21) is fixedly installed on the outer surface of one end of the inner sleeve rod (24), two groups of fixing pins (19) are fixedly installed on the inner side of the other end of the inner sleeve rod (24), a plurality of groups of thread grooves (13) are formed in the outer surface of the side edge of the inner sleeve rod (24), a butt-joint rotating sleeve (23) is fixedly installed in the middle of the outer surface of the limiting stop lever (3), the limiting stop lever (3) and the inner sleeve rod (24) are movably connected through the steering connecting disc (21) and the butt-joint rotating sleeve (23), a shift handle (22) is fixedly installed on the outer surface of one end of the limiting stop lever (3, and the outer surface of the other end of the limiting stop lever (3) is fixedly provided with a limiting chuck (20), the outer surface of the limiting chuck (20) is provided with a rubber gasket (25), and the cross section of the rubber gasket (25) is of an annular structure.
3. The handrail with the limiting function for the tractor according to claim 1, wherein the other ends of the first handrail (2) and the second handrail (8) are movably provided with a fixed pull rod (4), telescopic columns (28) are arranged among the first handrail (2), the second handrail (8) and the fixed pull rod (4), the first handrail (2), the second handrail (8) and the fixed pull rod (4) are movably connected through the telescopic columns (28), limiting clamping pins (29) are movably sleeved on the upper portions of the first handrail (2) and the second handrail (8), a fixed handle (5) is movably sleeved on the outer surface of the fixed pull rod (4), and a circular baffle disc (33) is fixedly sleeved on the outer surface of the side of the fixed handle (5).
4. The handrail with the limiting function for the tractor according to claim 3, wherein a telescopic connecting rod (31) is fixedly installed at the middle position of the outer surface of one end of the fixed handle (5), a spring column (34) is movably sleeved on the outer surface of the side edge of the telescopic connecting rod (31), a fixed buckle (32) is fixedly installed at one end, close to the spring column (34), of the outer surface of the side edge of the telescopic connecting rod (31), the fixed handle (5) is movably connected with the fixed pull rod (4) through the telescopic connecting rod (31), and a blocking disc is movably sleeved at the other end, close to the spring column (34), of the outer surface of the side edge of the telescopic connecting rod (31).
5. The handrail with the limiting function for the tractor according to claim 1, wherein a fixing screw rod (30) is sleeved at the middle position of the inner side of the steering clamping seat (26), a fixing screw ring (27) is fixedly sleeved on the outer surface of the bottom of the fixing screw rod (30), and the first supporting rod (2), the second supporting rod (8) and the steering clamping seat (26) are fixed through welding.
6. The handrail with the limiting function for the tractor according to claim 1, wherein a rotating clamping frame (7) is movably installed between the first supporting rod (2) and the second supporting rod (8), a brake handle is arranged at the lower portion of the rotating clamping frame (7), an extension pipe (36) is movably installed on the inner side of the rotating clamping frame (7), and two groups of positioning clamping rings (37) are fixedly installed on the outer surface of the side edge of the rotating clamping frame (7).
7. The handrail with the limiting function for the tractor according to claim 6, wherein a plurality of groups of circular groove clamping grooves are formed in the inner side of the extension tube (36), a rotating shaft (35) is arranged at the lower end of the rotating clamping frame (7), and the first supporting rod (2), the second supporting rod (8) and the rotating clamping frame (7) are movably connected through the rotating shaft (35).
8. The handrail with the limiting function for the tractor according to claim 1, wherein one end of the first handrail (2) close to the side edge of the fixed pull rod (4) is fixedly provided with a clutch box (6), and the interiors of the first handrail (2) and the second handrail (8) are both hollow structures.
9. The handrail with the limiting function for the tractor as claimed in claim 2, wherein the overall structure of the limiting stop lever (3) is a cylindrical hollow structure, and the side edges of the gear handle (22) are provided with two groups of arc-shaped notches.
10. The method for mounting the handrail with the limit function for the tractor according to the claim 1 is characterized by comprising the following specific steps:
step one, inserting a rotary clamping ring (12) of a second clamping seat (10) into a rotary groove (17) of a first clamping seat (1), rotating the second clamping seat (10) and the first clamping seat (1) by utilizing the connection between the rotary clamping ring (12) and the rotary groove (17) according to the use angles of a first supporting rod (2) and a second supporting rod (8), adjusting the use angles of the first supporting rod (2) and the second supporting rod (8), simultaneously rotating a rotary chuck (15) on a positioning clamping column (14), matching with a fixed clamping ring (18), and locking the rotatably adjusted second clamping seat (10) and the first clamping seat (1);
step two, inserting the steering clamping seats (26) of the first supporting rod (2) and the second supporting rod (8) into the butt joint clamping grooves (16) at the two sides of the first connecting seat (9), meanwhile, a fixing screw rod (30) is inserted into the steering clamping seat (26), the first supporting rod (2) and the second supporting rod (8) are rotated by matching with the fixing screw rod (30), the included angle between the first supporting rod (2) and the second supporting rod (8) is adjusted, meanwhile, the fixed screw (30) is rotated to match with the fixed screw ring (27) to lock the rotated first holding rod (2) and the second holding rod (8), the telescopic column (28) of the fixed pull rod (4) is drawn out from one end of the first holding rod (2) and one end of the second holding rod (8) by pulling the fixed handle (5) at one end of the fixed pull rod (4), the service length of the first holding rod (2) and the second holding rod (8) is adjusted, meanwhile, the extracted telescopic column (28) is locked by using a limiting bayonet pin (29);
step three, utilize fixed pin (19) of inner loop pole (24) one end, cup joint inner loop pole (24) on first joint chair (9), rotate gear handle (22) of spacing pin (3) one end simultaneously, the cooperation turns to the connection between flange (21) and butt joint commentaries on classics cover (23), rotate spacing pin (3) on inner loop pole (24), through thread groove (13) between inner loop pole (24) and spacing pin (3), when spacing pin (3) rotate, drive spacing chuck (20) of spacing pin (3) one end and remove, cooperation rubber packing ring (25) lock spacing pin (3) in the one end of first joint chair (9).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010731904.7A CN111674453B (en) | 2020-07-27 | 2020-07-27 | Handrail with limiting function for tractor and mounting method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010731904.7A CN111674453B (en) | 2020-07-27 | 2020-07-27 | Handrail with limiting function for tractor and mounting method thereof |
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| CN111674453A true CN111674453A (en) | 2020-09-18 |
| CN111674453B CN111674453B (en) | 2021-09-14 |
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| CN202010731904.7A Active CN111674453B (en) | 2020-07-27 | 2020-07-27 | Handrail with limiting function for tractor and mounting method thereof |
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| GB588955A (en) * | 1945-03-12 | 1947-06-06 | George Hugh Foley Knight | Improvements in or relating to steering handles for small tractors, self-propelled cultivators and the like |
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| CN209089369U (en) * | 2018-11-27 | 2019-07-12 | 江西省旺农农机制造有限公司 | A kind of Novel minitiller handrail |
| CN209345503U (en) * | 2018-12-28 | 2019-09-06 | 洛阳卓格哈斯机械有限公司 | A kind of mini-tiller handlebar assembly |
| CN110626416A (en) * | 2019-11-25 | 2019-12-31 | 雷沃重工股份有限公司 | Position-adjustable handle rod and agricultural mechanical steering handle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB588955A (en) * | 1945-03-12 | 1947-06-06 | George Hugh Foley Knight | Improvements in or relating to steering handles for small tractors, self-propelled cultivators and the like |
| US20090127009A1 (en) * | 2007-11-21 | 2009-05-21 | Honda Motor Co., Ltd. | Handle structure of walk-behind working machine |
| JP2014082959A (en) * | 2012-10-22 | 2014-05-12 | Mitsubishi Agricultural Machinery Co Ltd | Sulky type mobile agricultural machine |
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| CN110626416A (en) * | 2019-11-25 | 2019-12-31 | 雷沃重工股份有限公司 | Position-adjustable handle rod and agricultural mechanical steering handle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111674453B (en) | 2021-09-14 |
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Application publication date: 20200918 Assignee: Weifang Dizhen Agricultural Equipment Co.,Ltd. Assignor: ANHUI SIZHOU TRACTOR MANUFACTURING Co.,Ltd. Contract record no.: X2023980043534 Denomination of invention: A armrest with limit function for tractors and its installation method Granted publication date: 20210914 License type: Common License Record date: 20231020 |
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