GB2569408A - Flotation raft type driving seat structure of crawler-type cereal combine harvester - Google Patents
Flotation raft type driving seat structure of crawler-type cereal combine harvester Download PDFInfo
- Publication number
- GB2569408A GB2569408A GB1805980.8A GB201805980A GB2569408A GB 2569408 A GB2569408 A GB 2569408A GB 201805980 A GB201805980 A GB 201805980A GB 2569408 A GB2569408 A GB 2569408A
- Authority
- GB
- United Kingdom
- Prior art keywords
- vertical
- roller
- strut
- limit
- spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
- B60N2/38—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles specially constructed for use on tractors or like off-road vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
- B60N2/16—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable
- B60N2/1605—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable characterised by the cinematic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
- B60N2/16—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable
- B60N2/1605—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable characterised by the cinematic
- B60N2/163—Slides only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/50—Seat suspension devices
- B60N2/502—Seat suspension devices attached to the base of the seat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/50—Seat suspension devices
- B60N2/509—Seat guided by slides or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/50—Seat suspension devices
- B60N2/54—Seat suspension devices using mechanical springs
- B60N2/544—Compression or tension springs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/50—Seat suspension devices
- B60N2/54—Seat suspension devices using mechanical springs
- B60N2/548—Torsion springs, e.g. torsion helicoidal springs
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
Abstract
Disclosed is a flotation raft type driving seat structure of a crawler-type cereal combine harvester, comprising a driving seat structure (4), a flotation raft bearing stage (5), a left roller shock-absorber (6), a right roller shock-absorber (7) and a vertical shock-absorber (8), wherein an upper side of the flotation raft bearing stage (5) is connected to the driving seat (4) structure, left and right sides of the flotation raft bearing stage (5) are respectively connected to the left roller shock-absorber (6) and the right roller shock-absorber (7), and a lower side of the flotation raft bearing stage (5) is connected to the vertical shock-absorber (8). When vibration of a driving station base bearing plate (3) is transferred to the flotation raft bearing stage (5), the vertical shock-absorber (8) performs frequency filtering and vibration isolation, residual excitation force is balanced by bending resistance and resilience of a transverse helical compression spring (705). When vibration of a side wall of a driving cab is transferred to the flotation raft bearing stage (5), a left roller (702) and a right roller (702) respectively roll on a circular arc of a bearing stage left arc plate (503) and a bearing stage right arc plate (502) to eliminate the excitation force of the side wall of the driving cab. The seat structure is simple, low in cost and has good universality, and can be used for eliminating excitation of the seat caused by the side wall of the driving cab and the driving station base bearing plate during operation of the crawler-type cereal combine harvester.
Description
[0001] The invention relates to the field of cab seat structure manufacturing of crawler grain combine harvester, in particular to floating raft cab seat structure of crawler grain combine harvester, which can be widely installed in all kinds of on the bridge of crawler grain combine harvester.
Background of the Invention [0002] At present, the Chinese crawler grain combine harvester mainly uses the open bridge, many inventions and technology are mainly in the open-type bridge to improve, Patent CN201410081085 proposed that a bridge of a combine harvester is provided by setting the front end of the clutch handle to a certain angle and will design the cab seat and the front steering tower, which can improve the safety of the operation and effectively avoid the risk of driving the operator downwards. Patent CN201410081419.4 proposed that a joint harvester cab seat, through the seat position design to achieve seat back and forth, the function of the upper and lower adjustment. Patent CN201610602990.5 proposed that a harvester seat assembly which can be adapted to the needs of different operators and different sitting positions by adjusting the front and back of the seat back frame and the angle. But when the crawler grain combine harvester field harvest walking chassis by field rugged road, surface vibration and cylinder threshing process, due to changes in the amount of feed caused by the impact of the whole machine on the multi-rotor vibration coupling, etc. are caused by the strong vibration of the machine. The driver operating combine harvester is also affected by the impact of vibration and even endanger the physical and mental health of driving operators.
[0003] In order to reduce the impact of body vibration on the driving operator during the field work of the crawler grain combine harvester, a number of vibration damping designs and improvements have been made in the driving operation or the cab seat structure. Patent CN201510239705.3 proposed that a crawler combine harvester floating driving console which is buffered and attenuated by vertical vibration by designing a three-stage damping section to be connected to a chassis and a seat. Patent CN201620205849.7 proposed that a harvester seat assembly capable of fastening and fixing the seat so that the operator can quickly switch between the armrest and the seat. At present, the vibration reduction method of the crawler combine harvester driver seat is mainly vertical level or multi-level vibration reduction, but cannot solve the cab seat by the lateral vibration interference; Existing vertical or multi-stage damping system can be equivalent to a better shock absorber, but it is always difficult to eliminate the machine in the multi-directional exciting force on the seat caused by vibration.
Summary of the Invention [0004] For the crawler grain combine harvester field harvest walking chassis by field rugged road, surface vibration and cylinder threshing process due to changes in the amount of feed caused by the impact of the whole machine on the multi-rotor vibration coupling, etc. are caused by the strong vibration of the machine, as well as the driver in the operation of the combine harvester is affected by the impact of vibration and even endanger the physical and mental health of driving operators. The present invention provides a floating raft cab seat structure of crawler grain combine harvester. The upper side of the floating raft platform is connected with the cab seat structure, the left side of the floating raft platform is connected with the left roller shock absorber, and the right side of the floating raft platform is connected with the right roller shock absorber. By the vertical shock absorber on the bottom driving load plate bearing plate vertical vibration filter vibration isolation, the residual excitation force is balanced by the bending elastic force of the compression spring, and through the left roller and the right roller, respectively, in the left arc plate and the right arc plate arc to eliminate the cab side of the vibration force. It is possible to eliminate the excitement of the seat in the crawler grain combine harvester due to the cab side wall and the bottom of driving platform.
[0005]The present invention is achieved by the technical means described below.
[0006] A floating raft cab seat structure of crawler grain combine, which is characterized, including cab seat structure, floating raft platform, two roller shock absorbers and a vertical shock absorber; the seat structure including the seat, slides, limit device, slides, limit device are fixed on the bottom of the seat.
[0007] The floating raft bearing platform mainly comprises a bearing platform top plate, two bearing platform arc plate, a bearing platform base plate, a bearing platform base plate is fixed on the upper end of the vertical shock absorber, and the lower end of the vertical shock absorber can be fixed on the bottom driving load plate. Two of said bearing platform arc plate are arc-shaped plates. The two bearing platform arc plates are located between the bearing platform top plate and the bearing platform base plate, and the arc opening direction is directed towards the outside of the floating raft bearing platform. The upper surface of the deck top plate is fixed with a chute and a limit bar with the same extension direction, the slide rail on the bottom surface of the seat is fitted in the chute, and can slide. The limit device means cooperates with the limit bar to realize the positioning of the cab seat structure.
[0008] Two roller shock absorbers are located on the left and right sides of the floating raft platform; two roller shock absorbers including a roller, a horizontal screw compression spring, one end of which is fixed on the side wall of the cab, the roller being in contact with the carrier plate, and the horizontal compression spring being in a compressed state.
[0009] Further, the number of the slides is two, respectively, symmetrically distributed right and left slides, and the right and left rails are fixed to the bottom surface of the seat through the front and rear pillars. The front pillar and the rear pillar are connected with the seat, the right rail and the left slide rail. The number of chutes on the upper surface of the table top plate is two, namely the right chute, the left chute, the right slide rail and the left slide rail respectively in the right chute and the left chute.
[0010] Further, the limit device includes a handle return spring, an adjustment handle, a slide sleeve, a lower strut, a lower strut base plate, a left strut, a strut top plate, a right strut, a limit nut, the left strut and the right strut respectively fixed on the bottom surface of the seat through the strut top plate to form the fixing bracket. The sliding sleeve is arranged on the horizontal section of the left strut. The lower handle of the lower strut is fixedly connected with the lower strut base plate, and the lower strut is fixed on the sliding sleeve and is not on the same straight line. The limit bar has a plurality of limit teeth and a limit pad, as described in detail, which can be operated by the adjustment handle, adjusting the bottom of the lower strut to be stuck at one of the limit pad.
[0011] Further, the horizontal compression spring is fixed to the side wall of the cab by means of the lateral positioning bolt. The roller is fixed to the end of the horizontal compression spring by the roller positioning tongue, horizontal positioning bolts, roller positioning tongue, respectively, with a horizontal spring limit ring I, horizontal spring limit ring II. Both ends of the horizontal compression spring are respectively fixed to the transverse positioning bolt and the roller positioning tongue by the cross spring limit ring I and the transverse spring limit ring II, respectively.
[0012] Further, the vertical shock absorber includes a bearing platform strut, a vertical connecting concave rod, a vertical positioning bolt, a vertical opening pin, a vertical spring limit ring I, a vertical screw compression spring, vertical position nut, vertical positioning pad, vertical position bolt and vertical spring limit ring II. The upper end of the vertical positioning pad is connected with the vertical connecting concave rod, the lower end of the vertical positioning pad is connected with the vertical positioning bolt. The vertical connecting concave rod is connected with the bearing platform strut through the vertical positioning bolt, and the vertical positioning bolt end is limited by the vertical opening pin. The vertical connecting concave rod restricts the vertical helical compression spring by the vertical spring limiting ring I, and the vertical positioning bolt restricts the vertical compression spring by the vertical spring limit ring II. The vertical position bolt is fixed by the vertical position nut, the vertical positioning pad and the bottom driving load plate. The bearing platform strut is connected to the bearing platform floor.
[0013] Further, the middle of the adjustment handle is provided with a small hole for fixing the end of the handle return spring, and the other end of the handle return spring is fixed at the seat, and the angle between the adjustment handle and the lower strut is 40 ° to 45 °.
[0014] Further, the limit pad is at right angles to the triangle.
[0015] The compressive elastic modulus of the horizontal compression spring is 200N / cm to 300N / cm, the bending elasticity of the vertical compression spring is 150N / cm to 200N / cm, and the compressive elastic coefficient is 200N / cm to 300N / cm.
[0016] Further, the seat back and the chair surface are 100 ° to 110 °.
[0017] Further, the front and rear pillar connecting ends are symmetrically mounted with pillar reinforcements.
[0018] Advantageous effects of the present invention:
(l)The left side of the floating raft platform of the present invention is connected to the left roller shock absorber. When the left side wall of the cab has vibration transmitted to the floating raft platform, the left roller rolls on the arc of the left arc plate to eliminate the exciting force of the side wall of the cab. The right side of the floating raft platform of the present invention is connected to the right roller shock absorber, and when the right side wall of the cab is vibrated to the floating raft platform, the right roller rolls on the arc of the right arc plate to eliminate the exciting force of the side wall of the cab. The lower side of the floating raft platform is connected to the vertical shock absorber. When the bottom of the driving platform carries vibration to the floating raft platform, by the vertical shock absorber filter frequency isolation, the residual excitation force by the horizontal spiral compression spring bending resistance is balanced. The invention can eliminate the excitation of the crawler grain combine harvester in the multi-direction of the cab side of the cab and the bottom driving load plate.
[0019](2)The right rail of the invention and the left rail before using pillar and the rear pillar and seat side symmetrically connected. The adjustment handle is connected with the seat through the handle reset spring, the adjustment handle is connected with the lower strut through the sliding sleeve. The lower end of the lower strut is connected with the bottom strut bottom plate. The driver can adjust the position of the lower strut on the limit bar by pulling the adjustment handle, and by sliding the right rail and left the rails in the right channel and left chute location makes it easy to adjust the seat in position of bearing platform roof that could fit not to ride with the standing pilot and grain harvesting operations.
[0020]The right and left arc plates of the present invention are inwardly parallel to each other, and the left and right rollers are in contact with the left and right arc plates, respectively. When the driver is sitting on the seat, the vertical compression spring of the vertical shock absorber is pressed, and the seat and the floating raft bearing platform are moved down, left roller shock absorber and right roller shock absorber of the horizontal compression spring expansion and contraction changes. At this time the left roller shock absorber and the right roller shock absorber roller, respectively, in the right arc plate and the left arc plate on the arc rolling, which can be suitable for different weight of the driver operation.
[0021] The transverse positioning bolt of the present invention is provided with a transverse compression spring by means of a transverse spring limit ring II which is fixed by a transverse positioning nut, a cross pad and a side wall of the cab. The vertical position bolt is fixed by the vertical position nut, the vertical positioning pad and the bottom driving load plate bearing plate. The floating raft cab seat structure of the present invention can be matched with the operating table of the existing domestic crawler grain combine harvester. The existing market models related to the cab seat to be replaced, to achieve the existing crawler grain combine harvester driver seat structure of the upgrade.
Brief Descriptions of the Drawings [0022] Figure 1 is an assembly diagram of the floating raft cab seat structure of the present invention.
Figure 2 is a front view of the floating raft cab seat structure of the present invention.
Figure 3 is a left side view of the floating raft cab seat structure of the present invention.
Figure 4 is a front view of the limit mechanism.
Figure 5 is a front view of the floating raft platform.
Figure 6 is a top view of the floating raft platform.
Figure 7 is an assembly diagram for the right roller shock absorber
Figure 8 is a front view of the vertical shock absorber assembly.
Figure 9 is the brief description of vertical connection of bearing platform strut.
Figure 10 is a front view of the cab seat structure.
Figure 11 shows the cab seat bottom assembly
Figure 12 is a front view of the seat left support structure.
Figure 13 is a front view of the post stiffener.
Figure 14 is a rear view of the seat right support structure.
Figure 15 is a left side view of the seat front and rear limit mechanism.
Figure 16 is a front view of the seat front and rear limit mechanism.
Figure 17 shows the left strut.
Figure 18 shows the right strut.
Figure 19 is a front view of the right arc plate.
Figure 20 is a front view of the left arc plate.
Figure 21 shows the right chute.
Figure 22 shows the limit bar.
Figure 23 shows the limit bar structure.
Figure 24 shows the limit teeth.
Figure 25 shows the limit pad.
Figure 26 shows the roller bolts.
Figure 27 shows the roller.
Figure 28 shows the roller tongue.
Figure 29 is a helical compression spring.
Figure 30 is a front view of the positioning bolt.
Figure 31 is a front view of the roller positioning tongue.
Figure 32 is a vertical spring bolt structure.
Figure 33 is a front view of the vertical connecting concave rod.
Figure 34 is a top view of the vertical spring limit ring I.
Figure 35 is a front view of the bearing base.
[0023] The reference numerals are described below:
1-driving front console, 2-cab side wall, 201-cab right side wall, 202-cab left side wall, 3-bottom driving load plate bearing plate, 4-cab seat structure, 401-seat, 402-right slide rail, 403-left slide rail, 404 front pillar, 405-rear pillar, 406-pillar stiffener, 407-handle return spring, 408-adjustment handle, 409-slide sleeve, 4010-lower strut, 4011-lower strut base plate, 4012-left strut, 4013-strut top plate, 4014-right strut, 4015-limit nut, 5-floating raft bearing platform, 501-bearing platform top plate, 502-right arc plate, 503-left arc plate, 504-bearing platform base plate, 505-right chute, 506-left chute, 507-limit bar, 508-limit teeth, 509-limit pad, 6-left roller shock absorber, 7-right roller shock absorber, 701-roller bolts, 702-roller, 703-roller positioning tongue, 704-horizontal open pin, 705-horizontal compression spring, 706-horizontal nut, 707-cross pad, 708-horizontal positioning bolt, 709-cross spring limit ring I, 7010-cross spring limit ring II, 8-vertical shock absorber, 801-bearing platform strut, 802-vertical connection concave rod, 803- vertical positioning bolt, 804-vertical open pin, 805-vertical spring limit ring I, 806-vertical screw compression spring, 807-vertical position nut, 808-vertical positioning pad, 809-vertical position bolt, 8010-vertical spring limit ring II.
Detailed Description of the Invention [0024]The present invention will now be described in further detail with reference to the accompanying drawings and specific examples, but the scope of the present invention is not limited thereto.
[0025] As shown in Figs. 1 and 2, the floating raft cab seat structure of crawler grain combine harvester according to the present invention includes a cab seat structure 4, a floating raft bearing platform 5, a left roller shock absorber 6, a right roller shock absorber 7, and a vertical shock absorber 8. The upper side of the floating raft bearing platform 5 is connected to the cab seat structure 4, and the left side of the floating raft bearing platform 5 is connected to the left roller shock absorber 6, and the right side of the floating raft bearing platform 5 is connected to the right roller shock absorber 7, and the lower side of the floating raft bearing platform 5 is connected to the vertical shock absorber 8.
[0026] As shown in Figs. 3 and 4, the cab seat structure 4 includes a seat 401, a right slide rail 402, a left slide rail 403, a front pillar 404, a rear pillar 405, a pillar stiffener 406, a handle return spring 407, an adjustment handle 408, a slide sleeve 409, a lower strut 4010, a lower strut base plate 4011, a left strut 4012, a strut top plate 4013, a right strut 4014, a limit nut 4015. The right slide rail 402 and the left slide rail 403 are symmetrically connected to the lower side surface of the seat 401 by the front pillar 404 and the rear pillar 405, respectively. The front pillar 404 and the rear pillar 405 are connected to the seat 401, the right rail 402 and the left slide rail 403 with a pillar stiffener 406. The adjustment handle 408 is connected to the seat 401 by a handle return spring 407. The adjustment handle 408 is connected to the lower strut 4010 through a slide sleeve 409, and the lower end of the lower strut 4010 is connected to the lower strut base plate 4011. The left strut 4012 and the right strut 4014 are respectively connected to the lower side surface of the seat 401 through the strut top plate 4013. The left sleeve 4012 and the right strut 4014 are provided with a slide sleeve 409, and the end of the left strut 4012 is fixed by a limit nut 4015.
[0027] As shown in Figs. 5 and 6, the floating raft bearing platform 5 includes a bearing platform top plate 501, a right arc plate 502, a left arc plate 503, a bearing platform base plate 504, right chute 505, left chute 506, limit bar 507, limit teeth 508, limit pad 509. The right arc plate 502 and the left arc plate 503 are inwardly parallel to each other, and the upper right arc plate 502 and the left arc plate 503 are connected to the bearing platform top plate 501. The right arc plate 502 and the lower side of the left arc plate 503 are connected to the bearing platform base plate 504. The upper surface of the bearing platform top plate 501 is mounted with a right chute 505 and a left chute 506, the right chute 505 and the left chute 506 on the upper surface of the bearing platform top plate 501 are provided with a limit bar 507. The limit bar 507 is provided with a limit tooth 508 and a limit pad 509. The right chute 505 is connected to the right slide rail 402, and the left chute 506 is connected to the left slide rail 403, and the limit bar 507 is connected to the lower strut 4010.
[0028] As shown in Fig.7, the right roller shock absorber 7 includes a roller bolt 701, a roller 702, a roller positioning tongue 703, a lateral opening pin 704, a horizontal screw compression spring 705, a lateral positioning nut 706, a cross pad 707, a transverse positioning bolt 708, a cross spring limit ring I 709, a cross spring limit ring II 7010. The left end of the transverse compression spring 705 is connected to the roller positioning tongue 703, and the right end of the horizontal compression spring 705 is connected to the lateral positioning bolt 708. The roller positioning tongue 703 is connected to the two rollers 702 by a roller bolt 701, and the end of the roller bolt 701 is closed by a lateral opening pin 704. The roller positioning tongue 703 limits the horizontal screw compression spring 705 by the cross spring restriction ring I 709. The lateral positioning bolt 708 is fixed to the horizontal compression spring 705 by the cross spring retaining ring II 7010. The horizontal positioning bolt 708 is fixed to the cab side wall 2 by the horizontal positioning nut 706. The roller 702 is in contact with the right arc plate 502.
[0029] As shown in Figs. 8 and 9, the vertical shock absorber 8 includes a bearing platform strut
801, a vertical connection recess 802, a vertical position screw 803, a vertical opening pin 804, a vertical spring limit ring 1805, vertical screw compression spring 806, vertical position nut 807, vertical positioning pad 808, vertical position screw 809 and vertical spring limit ring II 8010. The upper end of the vertical positioning pad 808 is connected to the vertical connection concave rod
802, and the lower end of the vertical positioning pad 808 is connected to the vertical positioning bolt 809. The vertical connecting recess 802 is connected to the bearing platform strut 801 by means of a vertical positioning bolt 803, and the end of the vertical positioning bolt 803 is defined by a vertical opening pin 804. The vertical connecting recess 802 restricts the vertical screw compression spring 806 by the vertical spring limiting ring 1805, which limits the vertical screw compression spring 806 by the vertical spring limit ring 118010. The vertical position screw 809 is fixed to the bottom driving load plate bearing plate 3 by means of a vertical position nut 807, which is connected to the bearing platform base plate 504.
[0030] As shown in Figs. 10 and 11, the front pillar 404 and the rear pillar 405 are uniformly mounted on the lower surface steel frame of the seat 401. The chair seat 401 has a chair surface of a square shape with a side length of 30cm to 35cm. The seat back of the seat 401 is rectangular and has the same width as the chair surface and has a length of 35cm ~ 45cm. The seat backrest is 100 ° ~ 110°.
[0031] As shown in Figs. 12-14, the left slide rail 403 has a length of 15 cm to 20 cm and a rectangular steel having a cross section of 3 cm><4 cm. The rectangular steel ribs have rounded corners having a radius of 5 mm and the right slide rail 402 is the same size and material as the left slide rail 403. The front pillar 404 has a height of 6 cm to 8 cm, a rectangular steel having a cross section of 2 cm * 3 cm, a rectangular steel having a height of 4 cm to 6 cm and a cross section of 2 cm*3 cm. The front pillar 404 and the rear pillar 405 are connected symmetrically to each other with a pillar stiffener 406, and the pillar stiffener 406 has a thickness of 2 cm and a height of 4 cm. [0032] As shown in Figs. 15 and 16, a small hole is provided in the middle of the adjusting handle 408 for fixing one end of the handle return spring 407, the other end of which is fixed to the seat 401. The adjustment handle 408 and the lower strut 4010 are welded to the outside of the slide sleeve 409 at an angle of 40 ° to 45 °. The adjusting handle 408 has an empty steel pipe having a length of 30 cm to 35 cm, an outer diameter of 2.5 cm and an inner diameter of 2.0 cm, and the adjusting handle 408 is provided with a rubber handle having a length of 6 cm to 8 cm. The lower rod 4010 has a length of 25 cm to 30 cm, an outer diameter of 2.0 cm and an inner diameter of 1.5 cm. The lower section of the lower strut 4010 has a 30 ° face and is welded to the lower strut base plate 4011. The lower strut base plate 4011 has an elongation width of 5 *3 cm and a thickness of 3 mm.
[0033] As shown in Figs. 17 and 18, the left strut 4012 has an F-shaped solid round bar having a diameter of 2.0 cm, a long side of 20 cm to 25 cm, a short side of 8 cm to 10 cm. The left side of the left strut 4012 has an external thread. The right strut 4014 has a length of 25 cm to 30 cm, a width of 4 cm to 5 cm, and a thickness of 3 mm to 5 mm, and the right strut 4014 has a through hole having a diameter of 2.0 cm. The distance between the end of the right strut 4014 and the center of the right strut 4014 is 20cm to 25cm. The lower strut bottom plate 4011 on the lower strut 4010 is held on the limit pad 509 between the two limits 508 on the limit bar 507. The right slide rail 402 and the left slide rail 403 on the seat 401 are fitted over the right chute 505 and the left chute 506, respectively.
[0034]As shown in Figs. 19-21, the bearing platform top plate 501 has a square shape with a side length of 25 cm to 35 cm, a thickness of 3 to 4 mm. The left arc plate 503 has a semicircular arc cylinder having a diameter of 20 cm to 25 cm and a thickness of 3 to 4 mm. The cylinder height is the same as that of the bearing platform top plate 501, and the right and left arc plate 502 is the same size and material as the left arc plate 503. The right chute 505 and the left chute 506 have a thickness of 5 mm and a length of 30 cm to 35 cm, and the hollow section in the channel is 3 cm * 4 cm.
[0035] As shown in Figs. 22-25, the limit bar 507 has a length of 15 cm to 20 cm, a thickness of 3 to 4 mm and 5mm iron plate. And the upper side is welded to the limit teeth 508 and the limit pad 509. The limit pad 509 is located between the two limit teeth 508, the limit pad 509 has a right triangle, the bevel length is 3 cm, and the angle is 30°. The limit teeth 508 are linearly curved on one side and 5 cm to 8 cm on one side, 5 cm in height and 3 cm on the other side.
[0036] As shown in Figs. 26-31, the roller bolt 701 has a diameter of 2 cm. The outer diameter of the roller 702 is 6 cm to 8 cm, an inner diameter of 2 cm to 2.5 cm, and a thickness of 3 cm to 5 cm of the ring steel block. Roller positioning tongue 703 section for the semi-circular arc, diameter 4cm ~ 6cm, a diameter 2cm ~ 2.5cm, thickness of 2cm ~ 4cm. The compression resistance spring 706 has a compressive elastic modulus of 200 N / cm to 300 N / cm, the bending elasticity of the vertical compression spring 806 is 150 N / cm to 200 N / cm, and the compressive elastic modulus is 200 N / cm to 300 N / cm.
[0037] As shown in Figs. 28-31, the transverse positioning bolt 708 is welded with a cross spring limiting ring I 709, the outer diameter of the cross spring restricting ring I 709 is 4 cm to 6 cm, and the inner diameter is 2 cm to 2.5 cm, and the thickness of 2cm ~ 4cm of the ring. The roller positioning tongue 703 is welded with a transverse spring limit ring II 7010, and the outer spring limit ring II 7010 has an outer diameter of 4 cm to 6 cm, an inner diameter of 2 cm to 2.5 cm and a thickness of 2 cm to 4 cm.
[0038] As shown in Figs. 32-35, the vertical positioning bolt 809 is welded with a vertical spring limit ring II 8010. The vertical connecting concave rod 802 is welded with a vertical spring limit ring I 805, and the vertical connecting concave rod 802 has a concave width of 2 cm to 4 cm and a height of 4 cm to 6 cm, thickness of 4cm ~ 6cm, the end of the open hole 2cm ~ 4cm. The vertical spring limit ring I 805 and the vertical spring limit ring II 8010 are both rings having an outer diameter of 4 cm to 6 cm, an inner diameter of 2 cm to 2.5 cm and a thickness of 2 cm to 4 cm. The bearing rod 801 has a semicircular arc, an outer diameter of 4 cm to 6 cm, an inner diameter of 2 cm to 2.5 cm, and a thickness of 2 cm to 4 cm.
[0039] The specific work of the invention process is as follows:
The driver can adjust the position of the lower strut 4010 on the limit bar 507 by pulling the adjustment handle 408 before riding the seat 401 of the cab seat structure 4. And the position of the seat 401 in the bearing platform top plate 501 can be easily adjusted by sliding the position of the right slide rail 402 and the left slide rail 403 on the right chute 505 and the left chute 506, which is suitable for not driving with height drivers and grain harvesting operations. When the driver is riding on the seat 401 of the cab seat structure 4, the vertical screw compression spring 806 of the vertical shock absorber 8 is pressed and the seat 401 and the floating raft bearing platform 5 are moved downward. The left roller shock absorber 6 and the right and left helical compression springs 705 of the right roller shock absorber 7 are elongated. The left roller shock absorber 6 and the roller 702 of the right roller shock absorber 7 are then scrolled on the arc of the right arc plate 502 and the left arc plate 503, respectively. When the vibration of the crawler grain combine harvester bottom carrier plate 3 is transmitted to the floating raft bearing platform 5, the vibration force is equalized by the vertical shock absorber 8, and the residual exciting force is balanced by the bending resilience of the left roller shock absorbers 6 and right roller shock absorbers 7 of the right roller shock absorber 7. When the vibration of the cab side wall 2 is transmitted to the floating raft bearing platform 5, the left roller shock absorber 6 and the right roller shock absorber 7 roll the elimination of the exciting force of the cab side wall 2 by the roller 702 on the arc of the right arc plate 502 and the left arc plate 503, respectively.
[0040] The present embodiment is a preferred embodiment of the present invention, but the present invention is not limited to the above-described embodiments. It will be apparent to those skilled in the art that any obvious modifications, substitutions, or variations are intended to be within the scope of the present invention without departing from the spirit of the invention.
Claims (10)
1. A floating raft cab seat structure of crawler grain combine, which is characterized, including cab seat structure^), floating raft platform(5), two roller shock absorbers(6,7) and a vertical shock absorber(8); the cab seat structure^) including the seat(401), slide rails, limit device; slide rails, limit device are fixed on the bottom of the seat (401);
the floating raft bearing platform (5) mainly comprises a bearing table top plate (501), two bearing plate arc plates (502, 503), and a bearing platform base plate (504); the bearing platform base plate (504) is fixed to the upper end of the vertical shock absorber (8), and the lower end of the vertical shock absorber (8) can be fixed to the bottom driving load plate bearing plate (3); the two said arc plates (502, 503) are arc-shaped; the two arc plates (502, 503) are located between the table top plate (501) and the table bottom plate (504), and the arcuate opening direction is directed towards the outside of the floating raft bearing platform (5); the upper surface of the bearing table top plate (501) is fixed with a chute and a limit bar (507) with the same extension direction; the slide rail on the bottom surface of the seat (401) is fitted in the chute and can slide; the limit device cooperating with the limit bar (507) effect positioning of the cab seat structure (4);
Two roller shock absorbers (6, 7) are located on the left and right sides of the floating raft bearing platform (5); The two roller shock absorbers (6, 7) includes a roller (702), a horizontal compression spring (705); One end of the horizontal compression spring is fixed on the side wall of the cab, and the roller (702) is rotatably fixed to the other end of the horizontal compression spring (705), the roller (702) and the arc plates (502, 503) in contact, and the horizontal compression spring (705) in a compressed state.
2. The floating raft cab seat structure according to claim 1, characterized in that the number of the slides is two, a right slide rail (402)and a left slide rail (403); the right slide rail (402) and the left slide rail (403) are fixed to the bottom surface of the seat (401) through the front pillar (404) and the rear pillar (405); Front pillar (404) and a rear pillar (405) and the seat (401), a right rail (402) and a left rail (403) are connected at the pillar stiffener (406); the number of chutes on the upper surface of the bearing platform top plate (501) is two, namely the right chute (505), the left chute (506); the right slide rail (402) and the left slide rail (403) are respectively installed in the right chute (505) and the left chute (506).
3. The floating raft cab seat structure according to claim 1, characterized in that said limit device comprises a handle return spring (407), an adjustment handle (408), a slide sleeve (409), a lower strut (4010), a lower strut base plate (4011), a left strut (4012), strut top plate (4013), a right strut (4014), stop nut (4015);
the left strut (4012) and the right strut (4014) are fixed to the bottom surface of the seat (401) by a strut top plate (4013), respectively, to form a fixing bracket; the slide sleeve (409) is fixed on the sliding sleeve (409), and the lower sleeve (4010) is fixed on the slide sleeve (409), and not on the same line; the limit teeth (508) and a limit pad (509) are provided on the limit bar (507), and the lower end of the lower strut (4010) is fixedly connected to the lower strut base plate (4011); the limit bar (507) having a plurality of limit teeth (508) and the limit pad (509), which can be seen in the settings; lower strut base plate (4011) is provided under the action of an adjustment handle (408) to clamp one of the lower strut base plate, (4011) at the limit pad (509) of the limit bar (507).
4. The floating raft cab seat structure according to claim 1, characterized in that the horizontal compression spring (705) is fixed to the side wall of the bridge by means of a transverse positioning bolt (708); the roller (702) is fixed to the end of the horizontal compression spring (705) by means of a roller positioning tongue (703); the horizontal positioning bolt (708), roller positioning tongue (703) are respectively provided on the horizontal spring stop ring I (709), the cross-spring retainer ring II (7010); the ends of the horizontal compression spring (705) are fixed to the transverse positioning bolt (708) and the roller positioning tongue (703) by the cross spring restriction ring I (709) and the cross spring restriction ring II (7010).
5. The floating raft cab seat structure according to claim 1, characterized in that the vertical shock absorber (8) includes a bearing platform strut (801), a vertical connection recess (802), a vertical position screw (803), a vertical opening pin (804), a vertical spring limit ring I (805), vertical screw compression spring (806), vertical position nut (807), vertical positioning pad (808), vertical position screw (809) and vertical spring limit ring II (8010); the upper end of the vertical positioning pad (808) is connected to the vertical connection concave rod (802), and the lower end of the vertical positioning pad (808) is connected to the vertical positioning bolt (809); the vertical connecting recess (802) is connected to the bearing platform strut (801) by means of a vertical positioning bolt (803), and the end of the vertical positioning bolt (803) is defined by a vertical opening pin (804); the vertical connecting recess (802) restricts the vertical screw compression spring (806) by the vertical spring limiting ring I (805), which limits the vertical screw compression spring (806) by the vertical spring limit ring II (8010); the vertical position screw (809) is fixed to the bottom driving load plate bearing plate (3) by means of a vertical position nut (807), which is connected to the bearing platform base plate (504).
6. The floating raft cab seat structure according to claim 1, characterized in that adjustment handle (408) is provided with a small hole in the middle of the fixed handle return spring (407); the other end of the handle return spring (407) is fixed to the seat (401) and the angle between the adjustment handle (408) and the lower strut (4010) is 40 ° to 45 °.
7. The floating raft cab seat structure according to claim 1, characterized in that the limit pad (509) is a right triangle.
8. The floating raft cab seat structure according to claim 1, characterized in that the compression elastic spring (705) has a compressive elastic modulus of 200 N / cm to 300 N / cm, the bending elastic modulus of the vertical screw compression spring (806) is 150 N / cm to 200 N / cm and the compressive elastic modulus is 200 N / cm to 300 N / cm.
9. The floating raft cab seat structure according to claim 1, characterized in that the seat (401) backrest and the chair surface are 100 ° ~ 110 °.
10. The floating raft cab seat structure according to claim 1, characterized in that the front pillar (404) and the rear pillar (405) are connected to each other with symmetrical pillar stiffener (406).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710477912.1A CN107399254B (en) | 2017-06-22 | 2017-06-22 | A kind of crawler type grain combine floating raft type driver seat structure |
| PCT/CN2017/101797 WO2018233094A1 (en) | 2017-06-22 | 2017-09-15 | Flotation raft type driving seat structure of crawler-type cereal combine harvester |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| GB201805980D0 GB201805980D0 (en) | 2018-05-23 |
| GB2569408A true GB2569408A (en) | 2019-06-19 |
| GB2569408B GB2569408B (en) | 2022-05-11 |
Family
ID=62202999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1805980.8A Active GB2569408B (en) | 2017-06-22 | 2017-09-15 | Floating raft cab seat structure of crawler grain combine harvester |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB2569408B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5222709A (en) * | 1990-04-13 | 1993-06-29 | Rosdon Engineering And Manufacturing Pty. Ltd. | Vehicle seat suspension unit |
| CN201970888U (en) * | 2011-01-18 | 2011-09-14 | 重庆升业汽车零部件有限公司 | Mechanical tension spring-volute spring double-stage vibration-damping mechanism in commercial vehicle chair |
| CN202345450U (en) * | 2011-11-05 | 2012-07-25 | 钟声远 | Mechanical vibration absorber |
| CN102765341A (en) * | 2012-07-13 | 2012-11-07 | 常州大学 | Three degree of freedom vibration-reduction vehicle seat suspension mechanism |
| CN103029607A (en) * | 2012-12-07 | 2013-04-10 | 常州大学 | Two-freedom-degree vehicle shock-absorption seat mechanism |
| CN203543740U (en) * | 2013-11-07 | 2014-04-16 | 南京汽车集团有限公司 | Mechanical rigidity-variable low-frequency-vibration reduction seat cushion for vehicle |
| CN204263974U (en) * | 2014-11-24 | 2015-04-15 | 吉林大学 | A kind of off highway vehicle seat two-dimension non linearity vibration isolation suspension |
| CN105480130A (en) * | 2015-12-21 | 2016-04-13 | 侯仰坤 | Seat base safety device capable of realizing transient motion separation between passenger and vehicle and eliminating inertia |
-
2017
- 2017-09-15 GB GB1805980.8A patent/GB2569408B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5222709A (en) * | 1990-04-13 | 1993-06-29 | Rosdon Engineering And Manufacturing Pty. Ltd. | Vehicle seat suspension unit |
| CN201970888U (en) * | 2011-01-18 | 2011-09-14 | 重庆升业汽车零部件有限公司 | Mechanical tension spring-volute spring double-stage vibration-damping mechanism in commercial vehicle chair |
| CN202345450U (en) * | 2011-11-05 | 2012-07-25 | 钟声远 | Mechanical vibration absorber |
| CN102765341A (en) * | 2012-07-13 | 2012-11-07 | 常州大学 | Three degree of freedom vibration-reduction vehicle seat suspension mechanism |
| CN103029607A (en) * | 2012-12-07 | 2013-04-10 | 常州大学 | Two-freedom-degree vehicle shock-absorption seat mechanism |
| CN203543740U (en) * | 2013-11-07 | 2014-04-16 | 南京汽车集团有限公司 | Mechanical rigidity-variable low-frequency-vibration reduction seat cushion for vehicle |
| CN204263974U (en) * | 2014-11-24 | 2015-04-15 | 吉林大学 | A kind of off highway vehicle seat two-dimension non linearity vibration isolation suspension |
| CN105480130A (en) * | 2015-12-21 | 2016-04-13 | 侯仰坤 | Seat base safety device capable of realizing transient motion separation between passenger and vehicle and eliminating inertia |
Also Published As
| Publication number | Publication date |
|---|---|
| GB201805980D0 (en) | 2018-05-23 |
| GB2569408B (en) | 2022-05-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2018233094A1 (en) | Flotation raft type driving seat structure of crawler-type cereal combine harvester | |
| US8197004B2 (en) | Adjustable vehicle seat suspension | |
| CN102216117B (en) | Vehicle seat, in particular commercial vehicle seat | |
| EP2934992B1 (en) | Cab suspension system for a work vehicle with circumferentially extending bump stops | |
| US7571886B2 (en) | Bellcrank seat suspension apparatus | |
| CN201729197U (en) | Driving cab rear suspension assembly | |
| DE7227743U (en) | ENERGY ABSORBING SEAT FOR A SNOW VEHICLE | |
| EP3502039B1 (en) | Industrial truck with a driver's platform containing driver station | |
| GB2569408A (en) | Flotation raft type driving seat structure of crawler-type cereal combine harvester | |
| US1777463A (en) | Seat spring | |
| US20030127268A1 (en) | Load absorbing operator restraint bar | |
| US3451692A (en) | Device for hydraulically blocking the spring means for a crane supporting vehicle | |
| CN211750567U (en) | Wheelchair with damping device | |
| KR200457380Y1 (en) | Structure of adjusting apparatus height of chairs and cushion of cushion device used in special vehicle | |
| EP2634041B1 (en) | Vehicle seat and commercial motor vehicle with a vehicle seat | |
| CN209010963U (en) | A kind of bridge pad device | |
| CN201194660Y (en) | Pad stool capable of swaying | |
| KR101111580B1 (en) | A combination apparatus for the back of the chair | |
| CN101305870A (en) | Shakable mat stool | |
| CN210027132U (en) | Adjustable spray truck shock attenuation seat convenient to dismouting | |
| US2998054A (en) | Seat structure for farm tractors and the like | |
| JP6537283B2 (en) | Work machine | |
| DE102018112548A1 (en) | Industrial truck with a driver's workplace comprising a driver's platform | |
| CN216993989U (en) | Seat leveling device | |
| CN202783460U (en) | Mounting structure for automotive frames and container |