CN212219986U

CN212219986U - Shock-absorbing device for agricultural tractor cab

Info

Publication number: CN212219986U
Application number: CN202020399378.4U
Authority: CN
Inventors: 张琳; 钱发米; 赵传能
Original assignee: Yantai Wanyu Agricultural Machinery Co ltd
Current assignee: Yantai Wanyu Agricultural Machinery Co ltd
Priority date: 2020-03-25
Filing date: 2020-03-25
Publication date: 2020-12-25
Anticipated expiration: 2030-03-25

Abstract

The utility model relates to a tractor driver's cabin technical field specifically is a damping device that agricultural tractor driver's cabin was used, which comprises a seat, the equal butt in both ends of seat has the curb plate, the lower extreme of seat is provided with stop device, stop device's bottom fixedly connected with linkage piece, the both ends of linkage piece respectively with two the bottom of curb plate is articulated, the equal fixedly connected with fixed block of lower surface of seat both sides, two the surface of fixed block all articulates there is the head rod, two the head rod is kept away from the one end of seat all articulates there is first slider. An object of the utility model is to provide a damping device that agricultural tractor driver's cabin was used possesses the seat to the tractor driver's cabin and jolts the in-process shock attenuation and stabilize the advantage when driving to the navigating mate, has solved the driver's cabin in-process of jolting, and the navigating mate shakes the right side easily, influences the body balance, the inconvenient problem of continuing to drive.

Description

Shock-absorbing device for agricultural tractor cab

Technical Field

The utility model relates to a tractor driver's cabin technical field specifically is a damping device that agricultural tractor driver's cabin was used.

Background

The tractor generally is in the abominable field operation of environment, the impact and the vibration that its driver's cabin received during the operation are great, and the navigating mate jolts badly, arouses fatigue easily and causes the incident, especially the driver's seat that the driver took, consequently need carry out the cushioning effect to the seat in tractor driver's cabin, most driving chairs in the existing market only have a simple cushioning effect to it, and the driver's cabin jolts the in-process, and the navigating mate shakes the right side and shakes easily, influences body balance, and the continuous driving of discourse is not.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a damping device that agricultural tractor driver's cabin was used possesses the seat to the tractor driver's cabin and jolts the in-process shock attenuation and stabilizes the advantage when driving to the navigating mate, has solved the driver's cabin in-process of jolting, and the navigating mate shakes the right side easily, influences body balance, is not convenient for continue the problem of driving.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a damping device that agricultural tractor driver's cabin was used, includes the seat, the both ends of seat all butt have the curb plate.

The lower end of the seat is provided with a limiting device, the bottom of the limiting device is fixedly connected with a linkage block, two ends of the linkage block are respectively hinged with the bottoms of the two side plates, the lower surfaces of two sides of the seat are fixedly connected with fixed blocks, the surfaces of the two fixed blocks are hinged with first connecting rods, one ends of the two connecting rods, far away from the seat, are hinged with first sliding blocks, the upper surface of the linkage block is provided with first sliding grooves for the two first sliding blocks to slide in a left-right limiting manner, one side of the first sliding block, far away from the side plates, is fixedly connected with a first spring, one ends of the first spring, far away from the first sliding blocks, are fixedly connected with the groove walls of the first sliding grooves, the lower surface of the linkage block is fixedly connected with a rectangular block, the lower end of the rectangular block is fixedly connected with a U-shaped base through a damping spring, and two ends of, two the second connecting rod is kept away from the one end of rectangular block all articulates there is the second slider, the confession has been seted up to the bottom of U style of calligraphy base the spacing second spout that slides about the second slider, the second slider is kept away from damping spring's one side fixedly connected with second spring, the second spring is kept away from the one end of second slider with the cell wall fixed connection of second spout, two equal swing joint has aggregate unit on the second slider.

Preferably, stop device includes stopper and spacing post, the top of stopper with the lower fixed surface of seat is connected, the bottom of spacing post with the last fixed surface of linkage piece is connected, the spacing groove has been seted up to the lower extreme of stopper, spacing post is followed slide from top to bottom the inner wall of spacing groove.

Preferably, the linkage device comprises a third connecting rod, one end of the third connecting rod is close to the second connecting rod, the upper end of the second sliding block is hinged, the third connecting rod is far away from one end of the second sliding block, a third sliding block is hinged to one end of the second sliding block, a third sliding groove which is limited to slide up and down is formed in the two sides of the U-shaped base, close to the inner side face of the U-shaped base, a third sliding groove is formed in the third sliding block, a third spring is fixedly connected to the upper surface of the third sliding block, the third spring is far away from one end of the third sliding block, the groove wall of the third sliding groove is fixedly connected with the third sliding groove, the third sliding block is close to one end of the linkage block, a fourth connecting rod is hinged to one end of the.

Preferably, the lower surface of the rectangular block is fixedly connected with a damping block, the damping block is made of rubber, the contact surface of the damping block and the U-shaped base is trapezoidal, the number of the damping blocks is at least two, and the damping blocks are distributed around the damping spring.

Preferably, the abutting part of the seat and the side plate is made of a soft material, and the soft material is a sponge.

Preferably, the thickness of the soft material is 5cm to 10 cm.

Compared with the prior art, the beneficial effects of the utility model are as follows:

first, the utility model discloses a set up first slider, head rod, first spring and first spout, two first sliders compress first spring respectively, have reached by the effect of the elastic force of first spring to have a preliminary absorbing effect to the seat.

Two, the utility model discloses damping spring, snubber block and stop device have a buffering shock attenuation and carry out the firm effect of vertical direction to the seat.

Thirdly, the utility model discloses a set up aggregate unit, U style of calligraphy base, have a power to the opposite side to two curb plates, make it carry out certain clamp to navigating mate health and press from both sides tightly, it is more stable when driving.

Drawings

Fig. 1 is a front view of the structure of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

fig. 3 is a left side view of the side plate and the linkage block.

In the figure: 1-side plate, 2-seat, 3-first spring, 4-limit column, 5-limit device, 6-first slide block, 7-fixed block, 8-first connecting rod, 9-fourth connecting rod, 10-linkage device, 11-third spring, 12-third slide block, 13-third slide groove, 14-third connecting rod, 15-U-shaped base, 16-second spring, 17-second slide block, 18-second connecting rod, 19-damping spring, 20-damping block, 21-second slide groove, 22-linkage block, 23-rectangular block, 24-soft material, 25-first slide groove, 26-limit block and 27-limit groove.

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 to 3, the present invention provides a technical solution: the utility model provides a damping device that agricultural tractor driver's cabin was used, includes seat 2, and the both ends of seat 2 all butt have curb plate 1.

The lower end of the seat 2 is provided with a limiting device 5, the bottom of the limiting device 5 is fixedly connected with a linkage block 22, two ends of the linkage block 22 are respectively hinged with the bottom ends of two side plates 1, the lower surfaces of two sides of the seat 2 are respectively fixedly connected with fixed blocks 7, the surfaces of the two fixed blocks 7 are respectively hinged with a first connecting rod 8, one ends of the two first connecting rods 8 far away from the seat 2 are respectively hinged with a first sliding block 6, the upper surface of the linkage block 22 is provided with a first sliding chute 25 for the two first sliding blocks 6 to slide in a left-right limiting manner, one side of the first sliding block 6 far away from the side plates 1 is fixedly connected with a first spring 3, one end of the first spring 3 far away from the first sliding block 6 is fixedly connected with the chute wall of the first sliding chute 25, the lower surface of the linkage block 22 is fixedly connected with a rectangular block 23, the lower end of the rectangular block 23, the one end that rectangular block 23 was kept away from to two second connecting rods 18 all articulates there is second slider 17, the spacing second spout 21 that slides about supplying second slider 17 is seted up to the bottom of U style of calligraphy base 15, one side fixedly connected with second spring 16 that damping spring 19 was kept away from to second slider 17, the one end that second slider 17 was kept away from to second spring 16 and the cell wall fixed connection of second spout 21, equal swing joint has aggregate unit 10 on two second sliders 17, seat 2 pushes down the in-process, with it both sides articulated head rod 8 can make two first sliders 6 slide to its opposite face, slide in-process compression first spring 3, by the elastic force of spring and stop device 5's effect, carry out the first layer shock attenuation to seat 2.

Preferably, stop device 5 includes stopper 26 and spacing post 4, the top of stopper 26 and seat 2's lower fixed surface are connected, the bottom of spacing post 4 and linkage 22's last fixed surface are connected, spacing post 4 gliding spacing groove 27 from top to bottom of confession is seted up to stopper 26's lower extreme, seat 2 pushes down the in-process, spacing post 4 fixed connection is at linkage 22's upper surface, spacing post 4 slides from top to bottom along the inner wall of spacing groove 27, go up and down and stabilize in order to keep seat 2 to shake in the vertical direction, prevent that its by a wide margin from shaking the right side and shaking.

Preferably, the linkage device 10 comprises a third connecting rod 14, one end of the third connecting rod 14 close to the second connecting rod 18 is hinged with the upper end of the second sliding block 17, one end of the third connecting rod 14 far away from the second sliding block 17 is hinged with a third sliding block 12, two sides of the U-shaped base 15 close to the inner side surface thereof are provided with third sliding grooves 13 for the third sliding block 12 to slide up and down in a limiting manner, the upper surface of the third sliding block 12 is fixedly connected with a third spring 11, one end of the third spring 11 far away from the third sliding block 12 is fixedly connected with the groove wall of the third sliding groove 13, one end of the third sliding block 12 close to the linkage block 22 is hinged with a fourth connecting rod 9, one end of the fourth connecting rod 9 far away from the third sliding block 12 is hinged with the middle part of the side plate 1, in the bumping and pressing-down process, the second connecting rod 18 hinged with the rectangular block 23 pushes the two second sliding blocks 17 to slide towards two, in the sliding process, the third connecting rod 14 is driven to move upwards, the third sliding block 12 is pushed to slide upwards in the third sliding groove 13, the fourth connecting rod 9 hinged with the third sliding block moves towards one side far away from the third sliding block 12, and the side plate 1 is hinged with the linkage block 22, so that the side plate 1 rotates towards one side close to the seat 2 along the hinged point of the side plate to clamp the body of a driver.

Preferably, the lower surface of the rectangular block 23 is fixedly connected with the damper 20, the damper 20 is made of rubber, the rubber material has high elasticity, and can rapidly and powerfully recover the deformation under large deformation, the contact surface between the damper 20 and the U-shaped base 15 is trapezoidal, so that the contact area between the damper 20 and the U-shaped base 15 is reduced, the friction use of the damper is reduced, the number of the dampers 20 is at least two, and each damper 20 is distributed around the damping spring 19.

Preferably, the soft material 24 is used at the abutting part of the seat 2 and the side plate 1, the soft material 24 is sponge, and the soft material does not generate large resistance to the rotation of the side plate 1.

Preferably, the thickness of the soft material 24 is 5cm to 10cm in order to provide a proper and stable grip on the body of the driver without giving an uncomfortable feeling due to its being too thick or too thin.

The working principle is as follows: the damping device for the agricultural tractor cab has the advantages that when the tractor works, the cab jolts, a driver has downward pressure on the seat 2, the limiting device 5 fixes and lifts the driver in the vertical direction to prevent the driver from shaking left and right by a large margin, in the downward pressing process of the seat 2, the first connecting rods 8 hinged with the two sides of the seat 2 can enable the two first sliding blocks 6 to slide towards the opposite surfaces of the two first sliding blocks, the first spring 3 is compressed in the sliding process, the seat 2 is subjected to first layer damping under the action of the elastic force of the spring and the limiting device 5, when the whole cab seat moves downward, the damping block 20 and the damping spring 19 can perform second layer damping on the whole cab seat, in the downward pressing process, the second sliding block 17 hinged with the rectangular block 23 through the second connecting rod 18 slides towards the direction far away from the damping spring 19 and compresses the second spring 16, the third sliding block 12 faces upwards through the linkage device 10, the two side plates 1 are driven to rotate towards the opposite sides, and the clamping and stabilizing effect on the body of a driver is achieved.

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. A damping device that agricultural tractor driver's cabin was used, includes seat (2), its characterized in that: both ends of the seat (2) are respectively connected with a side plate (1) in an abutting mode;

the lower end of the seat (2) is provided with a limiting device (5), the bottom of the limiting device (5) is fixedly connected with a linkage block (22), two ends of the linkage block (22) are respectively hinged with the bottoms of the two side plates (1), the lower surfaces of two sides of the seat (2) are respectively fixedly connected with a fixed block (7), the surfaces of the two fixed blocks (7) are respectively hinged with a first connecting rod (8), one ends of the two first connecting rods (8) far away from the seat (2) are respectively hinged with a first sliding block (6), the upper surface of the linkage block (22) is provided with a first sliding groove (25) for the two first sliding blocks (6) to slide in a left-right limiting manner, one side of the first sliding block (6) far away from the side plates (1) is fixedly connected with a first spring (3), one end of the first spring (3) far away from the first sliding block (6) is fixedly connected with the groove wall of the first sliding groove (25), the lower surface of the linkage block (22) is fixedly connected with a rectangular block (23), the lower end of the rectangular block (23) is fixedly connected with a damping spring (19), one end, far away from the rectangular block (23), of the damping spring (19) is fixedly connected with a U-shaped base (15), two ends of the rectangular block (23) are hinged with second connecting rods (18), one ends, far away from the rectangular block (23), of the two second connecting rods (18) are hinged with second sliding blocks (17), the bottom of the U-shaped base (15) is provided with second sliding grooves (21) for the second sliding blocks (17) to slide in a left-right limiting mode, one side, far away from the damping spring (19), of the second sliding blocks (17) is fixedly connected with a second spring (16), one end, far away from the second sliding blocks (17), of the second spring (16) is fixedly connected with the groove wall of the second sliding grooves (21), and the two second sliding blocks (17) are movably connected with a linkage device (10).

2. A shock-absorbing device for an agricultural tractor cab according to claim 1, wherein: stop device (5) include stopper (26) and spacing post (4), the top of stopper (26) with the lower fixed surface of seat (2) is connected, the bottom of spacing post (4) with the last fixed surface of linkage piece (22) is connected, spacing groove (27) have been seted up to the lower extreme of stopper (26), spacing post (4) are followed slide from top to bottom the inner wall of spacing groove (27).

3. A shock-absorbing device for an agricultural tractor cab according to claim 1, wherein: the linkage device (10) comprises a third connecting rod (14), one end of the third connecting rod (14) close to the second connecting rod (18) is hinged with the upper end of the second sliding block (17), one end of the third connecting rod (14) far away from the second sliding block (17) is hinged with a third sliding block (12), two sides of the U-shaped base (15) close to the inner side surface thereof are provided with third sliding grooves (13) for the third sliding blocks (12) to slide in an up-and-down limiting way, the upper surface of the third sliding block (12) is fixedly connected with a third spring (11), one end of the third spring (11) far away from the third sliding block (12) is fixedly connected with the groove wall of the third sliding groove (13), one end of the third sliding block (12) close to the linkage block (22) is hinged with a fourth connecting rod (9), one end, far away from the third sliding block (12), of the fourth connecting rod (9) is hinged to the middle of the side plate (1).

4. A shock-absorbing device for an agricultural tractor cab according to claim 1, wherein: the lower surface fixedly connected with snubber block (20) of rectangle piece (23), snubber block (20) are made by rubber, snubber block (20) with the contact surface of U style of calligraphy base (15) is trapezoidal, the figure of snubber block (20) is two at least, and each snubber block (20) distribute around damping spring (19).

5. A shock-absorbing device for an agricultural tractor cab according to claim 1, wherein: the butt joint of the seat (2) and the side plate (1) is made of a soft material (24), and the soft material (24) is sponge.

6. A shock-absorbing device for an agricultural tractor cab according to claim 5, wherein: the thickness of the soft material (24) is 5cm to 10 cm.