CN217048830U - Cab suspension system and harvester - Google Patents

Abstract

The utility model provides a driver's cabin suspension system and harvester. A cab suspension system comprising: frame, driver's cabin floor, damper and stabilizing mean, the driver's cabin floor is located the top of frame, damper's one end with the driver's cabin floor is articulated, damper's the other end with the frame is articulated, stabilizing mean's one end with the driver's cabin floor is articulated, stabilizing mean's the other end with the frame is articulated. Utilize damper to absorb impact and decay vibration, utilize stabilizing mean to reduce rocking of driver's cabin in the operation in-process, the vibration of effective filtration chassis and header improves the vibration isolation effect, improves the ride comfort and the reliability of driver's cabin, improves and drives the comfort level, reduces the tilt range and the amplitude of swing of driver's cabin under special operating mode.

Description

Cab suspension system and harvester

Technical Field

The utility model relates to a shock mitigation system technical field especially relates to a driver's cabin suspension system and harvester.

Background

The large and medium-sized agricultural equipment is more and more popular in application in China at present, and meanwhile, the requirement of people on the comfort of the agricultural equipment in the working process is higher and higher. The existing harvester cab is generally subjected to vibration isolation by adopting rubber cushions, namely four groups of rubber cushions are arranged at suspension points of the cab to play a role in vibration isolation, and the four groups of rubber cushions are connected to the cab through long bolts. The vibration of chassis hardly obtains effectual filtration during normal operation, and there is the ride comfort level low in the ride comfort level that the vibration isolation effect is poor, the ride comfort of driver's cabin in this kind of rubber pad shock attenuation mode, can cause the driver's cabin slope under special operating mode, and the swing is big.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to prior art not enough, provide a driver's cabin suspension system and harvester.

The utility model provides an above-mentioned technical problem's technical scheme as follows: a cab suspension system, comprising: the cab floor is located above the frame, one end of the damping mechanism is hinged to the cab floor, the other end of the damping mechanism is hinged to the frame, one end of the stabilizing mechanism is hinged to the cab floor, and the other end of the stabilizing mechanism is hinged to the frame.

The beneficial effects of the utility model are that: utilize damper to absorb impact and decay vibration, utilize stabilizing mean to reduce rocking of driver's cabin in the operation in-process, the vibration of effective filtration chassis and header improves the vibration isolation effect, improves the ride comfort and the reliability of driver's cabin, improves and drives the comfort level, reduces the tilt range and the amplitude of swing of driver's cabin under special operating mode.

Furthermore, the frame is a rectangular frame structure, a pair of auxiliary frames for supporting the floor of the cab are installed on the frame, the auxiliary frames are installed on two sides of the frame in the width direction in a one-to-one correspondence mode, the auxiliary frames are all parallel to the length direction of the frame, the auxiliary frames are located above the frame, and the floor of the cab is located above the auxiliary frames.

The beneficial effect of adopting the further scheme is that: the auxiliary frame provides support for a cab suspension system, and the frame is arranged, so that the auxiliary frame and the cab can be conveniently mounted and maintained.

Further, the shock absorbing mechanism includes: one end of each first shock absorber is hinged to one side of the cab floor, the other end of each first shock absorber is hinged to one end of each auxiliary frame in a one-to-one correspondence mode, one end of each second shock absorber is hinged to the other side of the cab floor, and the other end of each second shock absorber is hinged to the frame.

The beneficial effect of adopting the further scheme is that: the arrangement of the first shock absorber and the second shock absorber effectively filters vibration and impact transmitted from the chassis and the header when the harvester works.

Further, the first shock absorber and the second shock absorber are of the same structure, and the first shock absorber includes: first sleeve, second sleeve, guide bar, spring, retaining ring and stopper, the one end of guide bar is installed in the first sleeve, the telescopic one end sliding sleeve of second is established the other end of guide bar, retaining ring fixed mounting is in on the telescopic lateral wall of second, the stopper is installed the other end of guide bar, the one end of spring is installed in the first sleeve, the other end of spring with the retaining ring butt, the spring housing is established the guide bar and on the telescopic lateral wall of second, first sleeve with one side on driver's cabin floor is articulated, the telescopic other end of second is articulated with the one end of sub vehicle frame.

The beneficial effect of adopting the above further scheme is: the structural design of the shock absorber effectively filters vibration and impact transmitted from the chassis and the header when the harvester works. The limiting block is arranged to control the up-down floating amount of the cab.

Further, the stabilizing mechanism includes: the stabilizer comprises a pair of first stabilizer bars and a pair of second stabilizer bars, wherein one end of each first stabilizer bar is hinged to the middle of the cab floor, the other end of each first stabilizer bar is hinged to one of the auxiliary frames in a one-to-one correspondence manner, one end of each second stabilizer bar is hinged to one side of the cab floor, the other end of each second stabilizer bar is hinged to the other end of the auxiliary frame in a one-to-one correspondence manner, the first stabilizer bars are vertically arranged with the auxiliary frames, the second stabilizer bars are arranged in parallel with the auxiliary frames, and the second stabilizer bars are located above the auxiliary frames.

The beneficial effect of adopting the further scheme is that: the setting of first stabilizer bar and second stabilizer bar prevents effectively that the driver's cabin from rocking, improves the sense of security of aircraft crew when the operation. The arrangement of the stabilizer bar and the shock absorber forms four-point full suspension, and stability and driving performance are improved.

Furthermore, one end of the first stabilizer bar is hinged to the middle of the cab floor through a step bolt, the other end of the first stabilizer bar is hinged to one of the auxiliary frames through a step bolt, one end of the second stabilizer bar is hinged to one side of the cab floor through a step bolt, and the other end of the second stabilizer bar is hinged to the other end of the auxiliary frame through a step bolt.

The beneficial effect of adopting the further scheme is that: the arrangement of the step bolt ensures that the proper torque can be achieved, effective looseness prevention is carried out, and the stability and reliability of the cab suspension system are improved.

Further, the first stabilizer bar and the second stabilizer bar have the same structure, and the first stabilizer bar includes: the pair of rod heads are correspondingly arranged at two ends of the connecting rod.

The beneficial effect of adopting the further scheme is that: the arrangement of the connecting rod and the pair of rod heads is convenient for installation and maintenance of the stabilizer bar, reduces cost and is convenient for connecting the frame with the cab floor through the stabilizer bar.

Further, the head includes: the outer-layer ring sleeve is sleeved on the outer side wall of the inner-layer ring sleeve, the outer-layer ring sleeve is sleeved on the outer side wall of the middle-layer ring sleeve, and the middle-layer ring sleeve is made of vulcanized rubber.

The beneficial effect of adopting the further scheme is that: the arrangement of the outer layer ring sleeve, the middle layer ring sleeve and the inner layer ring sleeve improves the buffer effect of the rod head, the middle layer ring sleeve is made of vulcanized rubber, and vibration and impact transmitted from the chassis and the header when the harvester operates are further filtered.

Further, the subframe includes: the support, be used for installing damper's first mount pad and be used for installing stabilizing mean's second mount pad, the support mounting is on the frame, first mount pad rotates to be installed the one end of support, the second mount pad is installed the other end of support.

The beneficial effect of adopting the further scheme is that: the arrangement of the first mounting seat and the second mounting seat is convenient for the installation and maintenance of the auxiliary frame stabilizing mechanism and the damping mechanism, and the full-floating installation of a cab suspension system is convenient.

Furthermore, the utility model also provides a harvester, include: a cab suspension system as claimed in any preceding claim.

The utility model has the advantages that: utilize damper to absorb impact and damping vibration, utilize stabilizing mean to reduce rocking of driver's cabin in the operation process, the vibration of effective filtration chassis and header improves the vibration isolation effect, improves the ride comfort and the reliability of driver's cabin, improves the comfort level of driving, reduces tilt amplitude and the amplitude of swing of driver's cabin under special operating mode.

Advantages of additional aspects of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

Fig. 1 is a schematic structural diagram of a cab suspension system according to an embodiment of the present invention.

Fig. 2 is a second schematic structural diagram of a cab suspension system according to an embodiment of the present invention.

Fig. 3 is a third schematic structural diagram of a cab suspension system according to an embodiment of the present invention.

Fig. 4 is a fourth schematic structural diagram of a cab suspension system according to an embodiment of the present invention.

Fig. 5 is a fifth schematic structural view of a cab suspension system according to an embodiment of the present invention.

Fig. 6 is a sixth schematic structural view of a cab suspension system according to an embodiment of the present invention.

Fig. 7 is a seventh schematic structural diagram of a cab suspension system according to an embodiment of the present invention.

Fig. 8 is an eighth schematic structural view of a cab suspension system according to an embodiment of the present invention.

The reference numbers illustrate: 1. a frame; 2. a cab floor; 3. a damping mechanism; 4. a stabilizing mechanism; 5. an auxiliary frame; 6. a first shock absorber; 7. a second shock absorber; 8. a first sleeve; 9. a second sleeve; 10. a guide bar; 11. a spring; 12. a retainer ring; 13. a limiting block; 14. a first stabilizer bar; 15. a second stabilizer bar; 16. a step bolt; 17. a connecting rod; 18. a club head; 19. an outer layer ring sleeve; 20. the middle layer is sleeved with a ring; 21. the inner layer is sleeved with a ring; 22. a support; 23. a first mounting seat; 24. a second mounting seat; 25. a third mounting seat; 26. a fourth mounting seat; 27. a fifth mounting seat; 28. a sixth mounting seat; 29. and a seventh mounting seat.

Detailed Description

The principles and features of the present invention will be described with reference to the drawings, which are provided for illustration only and are not intended to limit the scope of the invention.

As shown in fig. 1 to 8, an embodiment of the present invention provides a cab suspension system, which includes: frame 1, driver's cabin floor 2, damper 3 and stabilizing mean 4, driver's cabin floor 2 is located the top of frame 1, damper 3's one end with driver's cabin floor 2 is articulated, damper 3's the other end with frame 1 is articulated, stabilizing mean 4's one end with driver's cabin floor 2 is articulated, stabilizing mean 4's the other end with frame 1 is articulated.

The beneficial effects of the utility model are that: utilize damper to absorb impact and damping vibration, utilize stabilizing mean to reduce rocking of driver's cabin in the operation process, the vibration of effective filtration chassis and header improves the vibration isolation effect, improves the ride comfort and the reliability of driver's cabin, improves the comfort level of driving, reduces tilt amplitude and the amplitude of swing of driver's cabin under special operating mode.

The embodiment of the utility model provides a driver's cabin suspension system utilizes the stabilizer bar to reduce the problem of rocking of harvester at the operation in-process, utilizes the spring damping unit in first bumper shock absorber and the second bumper shock absorber to absorb impact and damping vibration by a wide margin, and the vibration of coming is transmitted from chassis and header in the harvesting operation to effective filtration, has improved and has driven the comfort level.

The cab suspension system connects a cab, a first stabilizer bar, a second stabilizer bar, a first shock absorber, a second shock absorber, an auxiliary frame and a frame together to form a full-floating cab shock absorption system. The composition aspect is as follows: the upper ends of the 2 first shock absorbers are connected to the front part of the floor of the cab, and the lower ends of the 2 first shock absorbers are connected to the front end of the auxiliary frame; the upper ends of the 2 second shock absorbers are connected to the rear end of the cab floor, and the rear ends of the 2 second shock absorbers are connected to the upper plane of the frame; the 2 first stabilizer bars are arranged in the middle of the lower part of the cab floor, the upper ends of the 2 first stabilizer bars are connected with the cab floor through step bolts, and the lower ends of the 2 first stabilizer bars are connected to an auxiliary frame through step bolts; the 2 second stabilizer bars are respectively connected to the front end of the cab floor and the rear end of the auxiliary frame by using step bolts; through 2 first bumper shock absorbers and 2 second to stabilizer bar and 2 first stabilizer bars, be in the same place driver's cabin and sub vehicle frame connection, sub vehicle frame passes through the bolt fastening on the frame.

First stabilizer bar is the same with second stabilizer bar structure, but the size is different, is a connecting rod and 2 pole heads, and the connecting rod can be the round steel, links together through the friction welding technology, and wherein the pole head structure divides the three-layer, is the skin respectively, the middle level, the inlayer, and wherein the middle part is vulcanized rubber.

In the functional aspect: the first shock absorber and the second shock absorber can effectively filter out vibration transmitted from the chassis and the header when the harvester works; the first stabilizer bar and the second stabilizer bar can effectively prevent the driving assembly and the cab from shaking, and the safety of a driver during operation is improved; the auxiliary frame provides support for the full-floating system component; the frame and the cab floor are connected parts of the cab of the harvester.

Through having 2 first bumper shock absorbers respectively, 2 second bumper shock absorbers and first bumper shock absorber, the stabilizer bar that sets up between the second bumper shock absorber, form four-point full suspension, can obtain more steady traveling performance, spring damping unit in the bumper shock absorber can effectual absorption come from harvester's chassis and header transmission impact and vibration simultaneously, first bumper shock absorber, it can prevent again that the driver's cabin from controlling rocking to set up the stabilizer bar between the second bumper shock absorber, the vibration isolation performance of traveling in harvester driver's cabin has been promoted, driving comfort has been improved, reduce driver and passenger fatigue degree.

The cab suspension system consists of 2 first shock absorbers, 2 second shock absorbers, 2 first stabilizer bars and 2 second stabilizer bars; the arrangement mode of the four-point suspension arrangement position and the first stabilizer bar and the second stabilizer bar; the rigidity value of the shock absorber is preferably 40N/mm and 90N/mm, and the pre-compression amount is set according to the weight and the gravity center position of the cab; the first stabilizer bar and the second stabilizer bar adopt a forging process, and the middle-layer ring sleeve adopts a vulcanized rubber process; the connection of the stabilizing rod adopts a step bolt structure, so that the appropriate torque can be achieved, and the effective looseness prevention can be realized; the limiting structures are integrated in the first shock absorber and the second shock absorber, and the up-down floating amount of the cab is controlled.

As shown in fig. 1 to 8, the vehicle frame 1 has a rectangular frame structure, a pair of subframes 5 for supporting the cab floor 2 are mounted on the vehicle frame 1, the pair of subframes 5 are mounted on both sides of the vehicle frame 1 in the width direction in a one-to-one correspondence, the pair of subframes 5 are parallel to the length direction of the vehicle frame 1, the pair of subframes 5 are located above the vehicle frame 1, and the cab floor 2 is located above the pair of subframes 5.

The beneficial effect of adopting the above further scheme is: the auxiliary frame is arranged to provide support for a cab suspension system, and the frame is arranged to facilitate installation and maintenance of the auxiliary frame and a cab.

As shown in fig. 1 to 8, further, the damper mechanism 3 includes: one end of each of the pair of first shock absorbers 6 is hinged to one side of the cab floor 2, the other end of each of the pair of first shock absorbers 6 is hinged to one end of each of the pair of sub-frames 5 in a one-to-one correspondence, one end of each of the pair of second shock absorbers 7 is hinged to the other side of the cab floor 2, and the other end of each of the pair of second shock absorbers 7 is hinged to the vehicle frame 1.

The beneficial effect of adopting the above further scheme is: the arrangement of the first shock absorber and the second shock absorber effectively filters vibration and impact transmitted from the chassis and the header when the harvester works.

Wherein, a pair of third mount pads 25 and a pair of fourth mount pads 26 that are used for installing the second bumper shock absorber are installed to the bottom on driver's cabin floor, and a pair of third mount pads 25 is located one side on driver's cabin floor, and a pair of fourth mount pads 26 is located the opposite side on driver's cabin floor. And a seventh mounting seat 29 for mounting a second shock absorber is mounted on the frame.

As shown in fig. 1 to 8, further, the first damper 6 and the second damper 7 have the same structure, and the first damper 6 includes: first sleeve 8, second sleeve 9, guide bar 10, spring 11, retaining ring 12 and stopper 13, the one end of guide bar 10 is installed in first sleeve 8, the one end sliding sleeve of second sleeve 9 is established the other end of guide bar 10, retaining ring 12 fixed mounting is in on the lateral wall of second sleeve 9, stopper 13 is installed the other end of guide bar 10, the one end of spring 11 is installed in first sleeve 8, the other end of spring 11 with retaining ring 12 butt, the spring 11 cover is established the guide bar 10 with on the lateral wall of second sleeve 9, first sleeve 8 with one side on driver's cabin floor 2 is articulated, the other end of second sleeve 9 is articulated with the one end of sub vehicle frame 5.

The beneficial effect of adopting the further scheme is that: the structural design of bumper shock absorber effectively filters vibration and impact that the harvester transmitted from chassis and header when the operation. The limiting block is arranged to control the up-down floating amount of the cab.

As shown in fig. 1 to 8, further, the stabilizing mechanism 4 includes: one end of the pair of first stabilizer bars 14 is hinged to the middle of the cab floor 2, the other end of the pair of first stabilizer bars 14 is hinged to one of the pair of subframes 5 in a one-to-one correspondence, one end of the pair of second stabilizer bars 15 is hinged to one side of the cab floor 2, the other end of the pair of second stabilizer bars 15 is hinged to the other end of the pair of subframes 5 in a one-to-one correspondence, the first stabilizer bars 14 are disposed perpendicular to the subframes 5, the second stabilizer bars 15 are disposed parallel to the subframes 5, and the second stabilizer bars 15 are disposed above the subframes 5.

The beneficial effect of adopting the above further scheme is: the setting of first stabilizer bar and second stabilizer bar prevents effectively that the driver's cabin from rocking, improves the sense of security of cell-phone when the operation. The arrangement of the stabilizer bar and the shock absorber forms four-point full suspension, and improves the stability and the driving performance.

Wherein, a pair of fifth installation seats 27 for installing the first stabilizer bar and a pair of sixth installation seats 28 for installing the second stabilizer bar are installed at the bottom end of the cab floor, the pair of fifth installation seats 27 are positioned in the middle of the cab floor, and the pair of sixth installation seats 28 are positioned at one side of the cab floor.

As shown in fig. 1 to 8, one end of the first stabilizer bar 14 is hinged to the middle of the cab floor 2 by a stepped bolt 16, the other end is hinged to one of the pair of subframes 5 by a stepped bolt 16, one end of the second stabilizer bar 15 is hinged to one side of the cab floor 2 by a stepped bolt 16, and the other end is hinged to the other end of the subframe 5 by a stepped bolt 16.

The beneficial effect of adopting the further scheme is that: the arrangement of the step bolt ensures that the proper torque can be achieved, effective looseness prevention is carried out, and the stability and reliability of the cab suspension system are improved.

As shown in fig. 1 to 8, further, the first stabilizer bar 14 and the second stabilizer bar 15 have the same structure, and the first stabilizer bar 14 includes: a connecting rod 17 and a pair of rod heads 18, wherein the pair of rod heads 18 are correspondingly arranged at two ends of the connecting rod 17.

The beneficial effect of adopting the further scheme is that: the arrangement of the connecting rod and the pair of rod heads is convenient for the installation and maintenance of the stabilizer bar, reduces the cost and is convenient for connecting the frame with the cab floor through the stabilizer bar.

The connecting rod can be an elastic connecting rod, a user can select a rigid connecting rod or an elastic connecting rod according to actual needs, and the structure of the elastic connecting rod is the prior art and is not described in detail herein.

As shown in fig. 1 to 8, further, the head 18 includes: the outer-layer ring sleeve 19, the middle-layer ring sleeve 20 and the inner-layer ring sleeve 21 are arranged in sequence, the middle-layer ring sleeve 20 is sleeved on the outer side wall of the inner-layer ring sleeve 21, the outer-layer ring sleeve 19 is sleeved on the outer side wall of the middle-layer ring sleeve 20, and the middle-layer ring sleeve 20 is made of vulcanized rubber.

The beneficial effect of adopting the above further scheme is: the arrangement of the outer layer ring sleeve, the middle layer ring sleeve and the inner layer ring sleeve improves the buffer effect of the rod head, the middle layer ring sleeve is made of vulcanized rubber, and vibration and impact transmitted from the chassis and the header when the harvester operates are further filtered.

As shown in fig. 1 to 8, further, the subframe 5 includes: the shock absorption mechanism comprises a support 22, a first mounting seat 23 and a second mounting seat 24, wherein the first mounting seat 23 is used for mounting the shock absorption mechanism 3, the second mounting seat 24 is used for mounting the stabilizing mechanism 4, the support 22 is mounted on the frame 1, the first mounting seat 23 is rotatably mounted at one end of the support 22, and the second mounting seat 24 is mounted at the other end of the support 1.

The beneficial effect of adopting the further scheme is that: the arrangement of the first mounting seat and the second mounting seat is convenient for the installation and maintenance of the auxiliary frame stabilizing mechanism and the damping mechanism, and the full-floating installation of a cab suspension system is convenient.

Furthermore, the utility model also provides a harvester, include: a cab suspension system as claimed in any preceding claim.

The utility model has the advantages that: utilize damper to absorb impact and decay vibration, utilize stabilizing mean to reduce rocking of driver's cabin in the operation in-process, the vibration of effective filtration chassis and header improves the vibration isolation effect, improves the ride comfort and the reliability of driver's cabin, improves and drives the comfort level, reduces the tilt range and the amplitude of swing of driver's cabin under special operating mode.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (10)

1. A cab suspension system, comprising: frame (1), driver's cabin floor (2), damper (3) and stabilizing mean (4), driver's cabin floor (2) are located the top of frame (1), damper (3) one end with driver's cabin floor (2) are articulated, damper (3) the other end with frame (1) are articulated, stabilizing mean (4) one end with driver's cabin floor (2) are articulated, stabilizing mean (4) the other end with frame (1) are articulated.

2. A cab suspension system according to claim 1, wherein the vehicle frame (1) has a rectangular frame structure, a pair of sub-frames (5) for supporting the cab floor (2) are mounted on the vehicle frame (1), a pair of sub-frames (5) are mounted on both sides of the vehicle frame (1) in a one-to-one correspondence, the pair of sub-frames (5) are parallel to the length direction of the vehicle frame (1), the pair of sub-frames (5) are located above the vehicle frame (1), and the cab floor (2) is located above the pair of sub-frames (5).

3. A cab suspension system according to claim 2, wherein the shock-absorbing mechanism (3) comprises: one end of each first shock absorber (6) is hinged to one side of the cab floor (2), the other end of each first shock absorber (6) is hinged to one end of each auxiliary frame (5) in a one-to-one correspondence mode, one end of each second shock absorber (7) is hinged to the other side of the cab floor (2), and the other end of each second shock absorber (7) is hinged to the frame (1).

4. A cab suspension system according to claim 3, wherein the first shock absorber (6) and the second shock absorber (7) are of the same construction, the first shock absorber (6) comprising: a first sleeve (8), a second sleeve (9), a guide rod (10), a spring (11), a retainer ring (12) and a limit block (13), one end of the guide rod (10) is arranged in the first sleeve (8), one end of the second sleeve (9) is sleeved on the other end of the guide rod (10) in a sliding manner, the retainer ring (12) is fixedly arranged on the outer side wall of the second sleeve (9), the limiting block (13) is arranged at the other end of the guide rod (10), one end of the spring (11) is arranged in the first sleeve (8), the other end of the spring (11) is abutted against the retainer ring (12), the spring (11) is sleeved on the guide rod (10) and the outer side wall of the second sleeve (9), the first sleeve (8) is articulated to one side of the cab floor (2), the other end of the second sleeve (9) is hinged with one end of the auxiliary frame (5).

5. A cab suspension system according to claim 2, in which the stabilising mechanism (4) comprises: the stabilizer comprises a pair of first stabilizer bars (14) and a pair of second stabilizer bars (15), wherein one end of each of the pair of first stabilizer bars (14) is hinged to the middle of the cab floor (2), the other end of each of the pair of first stabilizer bars (14) is hinged to one of the pair of subframes (5) in a one-to-one correspondence manner, one end of each of the pair of second stabilizer bars (15) is hinged to one side of the cab floor (2), the other end of each of the pair of second stabilizer bars (15) is hinged to the other end of each of the pair of subframes (5) in a one-to-one correspondence manner, the first stabilizer bars (14) are vertically arranged with the subframes (5), the second stabilizer bars (15) are arranged in parallel with the subframes (5), and the second stabilizer bars (15) are positioned above the subframes (5).

6. A cab suspension system according to claim 5, wherein the first stabilizer bar (14) is hinged at one end to the middle of the cab floor (2) by a stepped bolt and at the other end to one of a pair of the sub-frames (5) by a stepped bolt, and the second stabilizer bar (15) is hinged at one end to one side of the cab floor (2) by a stepped bolt and at the other end to the other end of the sub-frame (5) by a stepped bolt.

7. A cab suspension system according to claim 5, wherein said first stabilizer bar (14) and said second stabilizer bar (15) are of the same construction, said first stabilizer bar (14) comprising: the pair of rod heads (18) are correspondingly arranged at two ends of the connecting rod (17).

8. A cab suspension system according to claim 7, in which the head (18) comprises: outer ring cover (19), middle level ring cover (20) and inlayer ring cover (21), middle level ring cover (20) cover is established on the lateral wall of inlayer ring cover (21), outer ring cover (19) cover is established on the lateral wall of middle level ring cover (20), the preparation material of middle level ring cover (20) is vulcanized rubber.

9. A cab suspension system according to claim 2, in which the subframe (5) comprises: support (22), be used for installing first mount pad (23) of damper (3) and be used for installing second mount pad (24) of stabilizing mean (4), install on frame (1) support (22), first mount pad (23) are rotated and are installed the one end of support (22), second mount pad (24) are installed the other end of support (22).

10. A harvester, comprising: a cab suspension system according to any one of claims 1 to 9.

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