CN207747934U - A kind of wheel type combine harvester steeraxle - Google Patents
A kind of wheel type combine harvester steeraxle Download PDFInfo
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- CN207747934U CN207747934U CN201721889943.XU CN201721889943U CN207747934U CN 207747934 U CN207747934 U CN 207747934U CN 201721889943 U CN201721889943 U CN 201721889943U CN 207747934 U CN207747934 U CN 207747934U
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- connecting rod
- steering
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- arm
- piston bar
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Abstract
The utility model belongs to agricultural machinery equipment technical field,Specifically,It is related to a kind of wheel type combine harvester steeraxle,Including turning to rear axle,Cylinder support,Steering cylinder,Left connecting rod,Left steering arm,Right connecting rod and right turn arm,It turns to and is welded with cylinder support on rear axle,Steering cylinder is fixedly connected on cylinder support,Steering cylinder is respectively arranged on the left side and the right side left piston bar and right piston bar,Wherein left piston bar is hinged by the first oscillating bearing and left connecting rod one end,The left connecting rod other end is then hinged by second joint bearing and left steering arm one end,The left steering arm other end, which is in turn mounted at, to be turned on rear axle,At left end side,Steering cylinder right piston bar is hinged by third oscillating bearing and right connecting rod one end,The right connecting rod other end is then hinged by the 4th oscillating bearing and right turn arm one end,The right turn arm other end, which is in turn mounted at, to be turned at rear axle right end side.The utility model realizes the steeraxle function that the speed of response synchronizes in left and right steering.
Description
Technical field
The utility model belongs to agricultural machinery equipment technical field, turns in particular to a kind of wheel type combine harvester
Xiang Qiao.
Background technology
With the development of science and technology and people's living standards continue to improve, traditional craft be engaged in agriculture mode by
Gradually it is transformed into mechanical, wheel type combine harvester is nowadays one of numerous agricultural machinery equipments.
Currently, in the market in the steering of wheel type combine harvester, steering cylinder is much to use double acting single-piston rod
Oil cylinder turns to control.The steering principle of the structure is controlled unilateral steering arm by steering cylinder, will be then controlled
The steering power being subject on steering arm processed passes to the steering arm of the vehicle other side by connecting rod, and vehicle turn is controlled to realize with this
To.It is not difficult to find that connecting rod plays highly important status in the process, the linkage of vehicle both sides steering arm is realized.
Although the steering mechanism of double acting single-piston rod oil cylinder can reach basic steering effect, the connecting rod in the one steering mechanism
Length is longer (only length is longer could connect the steering arm of vehicle both sides), this allow for Machining of Connecting Rod technique and
Its intensity has higher requirement;Secondly since the steering mechanism only directly controls single steering arm, vehicle two will necessarily be made
The steering response Time Inconsistency of side steering arm.
Utility model content
To solve drawbacks described above of the existing technology, the utility model provides a kind of wheel type combine harvester steering
Bridge.
The technical solution of the utility model is as follows:
The utility model provides a kind of wheel type combine harvester steeraxle, including turns to rear axle, cylinder support, steering oil
Cylinder, left connecting rod, left steering arm, right connecting rod and right turn arm turn to and are welded with cylinder support on rear axle, fixed on cylinder support to connect
It is connected to steering cylinder, steering cylinder is respectively arranged on the left side and the right side left piston bar and right piston bar, and wherein left piston bar passes through
One oscillating bearing and left connecting rod one end are hinged, and the left connecting rod other end is then hinged by second joint bearing and left steering arm one end,
The left steering arm other end, which is in turn mounted at, to be turned at rear axle left end face, and steering cylinder right piston bar passes through third oscillating bearing and the right side
Connecting rod one end is hinged, and the right connecting rod other end is then hinged by the 4th oscillating bearing and right turn arm one end, the right turn arm other end
It is in turn mounted at and turns at rear axle right end face.
Above-mentioned steering rear axle is being mounted on limiting steering bolt close to the both ends of left steering arm and right turn arm, turns to limit
Position bolt is used to limit the swing angle of left steering arm and right turn arm, turns to also be welded with connection boss on rear axle in addition, even
It connects and offers process hole on boss, above-mentioned process hole is connected by bolt with chassis main frame.
The left end of above-mentioned left piston bar and the right end of right piston bar are designed with internal thread, the first oscillating bearing, third joint
The rod end external screw thread of bearing is screwed up with the internal thread on left piston bar, right piston bar respectively.
Above-mentioned left connecting rod, right connecting rod one end be equipped with " u "-shaped clamping opening, left connecting rod, right connecting rod the other end be equipped with internal thread,
Screw in the bearing head for having the first oscillating bearing in the " u "-shaped clamping opening of wherein left connecting rod one end, the bearing head of the first oscillating bearing and
Left connecting rod " u "-shaped clamping opening is connected by hinged bolts, outside the internal thread of the left connecting rod other end and the rod end of second joint bearing
Screw thread screws up, and the bearing head and left steering arm of second joint bearing are hinged, and being screwed in the " u "-shaped clamping opening of right connecting rod one end has third
The bearing head of oscillating bearing, the bearing head of third oscillating bearing are connected with the " u "-shaped clamping opening of right connecting rod by hinged bolts, right
The rod end external screw thread of the internal thread of the connecting rod other end and the 4th oscillating bearing screws up, the bearing head and right turn of the 4th oscillating bearing
Arm is hinged.
In embodiment provided by the utility model, above-mentioned first oscillating bearing, second joint bearing, third oscillating bearing
Be additionally provided with thin nut on the 4th oscillating bearing, each thin nut forms double nut lock with its similar screw-internal thread fit.
In embodiment provided by the utility model, above-mentioned steering cylinder is double acting double rod cylinder.
In embodiment provided by the utility model, the left and right ends of above-mentioned steering rear axle are equipped with knuckle soldering member, turn
Steering wheel hub is housed on section soldering member.
It is above-mentioned to be fixedly connected as being bolted in embodiment provided by the utility model.
Advantageous effect:The utility model uses double acting double rod cylinder, in go to action, due to oil cylinder or so oil
Chamber active area is equal, therefore the reciprocating motion speed of left and right piston rod is impartial, realizes when vehicle turns to left and right and turns to
The function of rate synchronization improves driving sense.In addition, using two short connecting rods instead of in the prior art in the utility model
Single long draw not only reduces the requirement to rod material intensity in this way, decreases the use of rod material, reduces drawing
Bar manufacturing cost;Simultaneously because eliminating long draw, there is no need to provide connection branch for former individually long draw for left and right steering arm
Point so that the length of left and right steering arm also shorter and reduces the use of steering arm material, reduces steering arm production
Cost.
Description of the drawings
It, below will be to required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore not
The restriction to range is should be considered as, for those of ordinary skill in the art, without creative efforts,
It can also be obtained according to these attached drawings other relevant attached drawings.
Fig. 1 wheel type combine harvester steeraxle structure charts provided by the utility model;
Partial enlarged view in the above-mentioned Fig. 1 of Fig. 2 at circle A.
As shown in the figure:100- wheel type combine harvester steeraxles;1- turns to rear axle;2- cylinder supports;3- steering cylinders;4-
Left connecting rod;5- left steering arms;6- right connecting rods;7- right turn arms;The first oscillating bearings of 8-;9- second joint bearings;10- thirds are closed
Bearings;The 4th oscillating bearings of 11-;12- limiting steering bolts;13- connection boss;14- process hole;15- thin nuts;16- turns
To wheel hub.
Specific implementation mode
The utility model is further illustrated with reference to the accompanying drawings and examples.
To keep the purpose, technical scheme and advantage of the utility model embodiment clearer, below in conjunction with this practicality
The technical solution in the utility model embodiment is clearly and completely described in attached drawing in novel embodiment, shows
So, described embodiment is a part of embodiment of the utility model, rather than whole embodiments.Therefore, below
It is new that this claimed practicality is not intended to limit to the detailed description of the embodiment of the utility model provided in the accompanying drawings
The range of type, but it is merely representative of the selected embodiment of the utility model.Based on the embodiment in the utility model, ability
The every other embodiment that domain those of ordinary skill is obtained without creative efforts, belongs to this practicality
Novel protected range.
In the description of the present invention, it should be understood that the term of indicating position or position relationship is based on attached drawing
Shown in orientation or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than indicate or imply institute
The equipment or element of finger must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as to this reality
With novel limitation.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral;Can be
Mechanical connection can also be electrical connection;It can be directly connected, can also can be indirectly connected through an intermediary two
The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature is on or below second feature
It may include that the first and second features are in direct contact, can also not be to be in direct contact but pass through it including the first and second features
Between other characterisation contact.Moreover, fisrt feature is on second feature, top and above include fisrt feature the
Right over two features and oblique upper, or be merely representative of fisrt feature level height and be higher than second feature.Fisrt feature is in the second spy
Under sign, lower section and fisrt feature included below are immediately below second feature and obliquely downward, or are merely representative of fisrt feature level
Height is less than second feature.
Embodiment:
As shown in Figure 1, present embodiments providing a kind of wheel type combine harvester steeraxle 100, including turn to rear axle 1, oil
Cylinder bearing 2, steering cylinder 3, left connecting rod 4, left steering arm 5, right connecting rod 6 and right turn arm 7 turn to and are welded with oil cylinder on rear axle 1
Bearing 2 is fixedly connected with steering cylinder 3 on cylinder support 2, and steering cylinder 3 is respectively arranged on the left side and the right side left piston bar and the right side
Piston rod, wherein left piston bar are hinged by the first oscillating bearing 8 and 4 one end of left connecting rod, and 4 other end of left connecting rod then passes through second
Oscillating bearing 9 and 5 one end of left steering arm are hinged, and 5 other end of left steering arm, which is in turn mounted at, to be turned at 1 left end face of rear axle, is turned to
3 right piston bar of oil cylinder is hinged by third oscillating bearing 10 and 6 one end of right connecting rod, and 6 other end of right connecting rod then passes through the 4th joint
Bearing 11 and 7 one end of right turn arm are hinged, and 7 other end of right turn arm, which is in turn mounted at, to be turned at 1 right end face of rear axle.
Above-mentioned left steering arm 5 is identical with 7 structure of right turn arm, and above-mentioned steering rear axle 1 is close to left steering arm 5 and right turn
The both ends of arm 7 are mounted on limiting steering bolt 12, and limiting steering bolt 12 is used to limit left steering arm 5 and right turn arm 7
Swing angle turns to also be welded with connection boss 13 on rear axle 1 in addition, connects and offers process hole 14, above-mentioned strand on boss 13
Drilling 14 is connected by bolt with chassis main frame.
Specifically, be bolted by above-mentioned process hole 14 can be to avoid the wheel joint for connection boss 13 and chassis main frame
The radially left and right play of harvester steeraxle 100.
The left end of above-mentioned left piston bar and the right end of right piston bar are designed with internal thread, the first oscillating bearing 8, third joint
The rod end external screw thread of bearing 10 is screwed up with the internal thread on left piston bar, right piston bar respectively.
Specifically, the internal thread on left piston bar and the internal thread on right piston bar are oppositely oriented.
As shown in Fig. 2, one end of above-mentioned left connecting rod 4, right connecting rod 6 be equipped with " u "-shaped clamping opening, left connecting rod 4, right connecting rod 6 it is another
One end is equipped with internal thread, and the bearing head for having the first oscillating bearing 8 is wherein screwed in the " u "-shaped clamping opening of 4 one end of left connecting rod, and first closes
The bearing head of bearings 8 is connected with 4 " u "-shaped clamping opening of left connecting rod by hinged bolts, the internal thread of 4 other end of left connecting rod and
The rod end external screw thread of two oscillating bearings 9 screws up, and the bearing head and left steering arm 5 of second joint bearing 9 are hinged, 6 one end of right connecting rod
" u "-shaped clamping opening in screw in and have the bearing head of third oscillating bearing 10, the bearing head of third oscillating bearing 10 and right connecting rod 6
" u "-shaped clamping opening is connected by hinged bolts, the rod end external screw thread of the internal thread and the 4th oscillating bearing 11 of 6 other end of right connecting rod
It screws up, the bearing head and right turn arm 7 of the 4th oscillating bearing 11 are hinged.
Specifically, 6 internal thread of 4 internal thread of above-mentioned left connecting rod and right connecting rod is oppositely oriented, and left piston bar internal thread and
The rotation direction of right piston bar internal thread is identical.
In the present embodiment, above-mentioned first oscillating bearing 8, second joint bearing 9, third oscillating bearing 10 and the 4th joint
11 structure of bearing is identical, above-mentioned first oscillating bearing 8, second joint bearing 9, third oscillating bearing 10 and the 4th oscillating bearing 11
On be respectively equipped with thin nut 15, each thin nut 15 forms double nut lock with its similar screw-internal thread fit.
In the present embodiment, above-mentioned steering cylinder 3 is double acting double rod cylinder.Its left side of double acting double rod cylinder
Right oil pocket active area is equal, compares double acting single-piston rod oil cylinder, this kind of double acting double rod cylinder piston rod it is reciprocal
Movement velocity is impartial, realizes the steeraxle function that the speed of response synchronizes in left and right steering.
In the present embodiment, the left and right ends of above-mentioned steering rear axle 1 are equipped with knuckle soldering member, and steering wheel hub passes through steering
Wheel is assemblied on knuckle soldering member.
Specifically, steering wheel hub 16 is equipped with deflecting roller, turns to and be equipped with knuckle on the end face of the left and right ends of rear axle 1
Soldering member, the deflecting roller on above-mentioned steering wheel hub 16 are mounted on the knuckle soldering member.
In the present embodiment, above-mentioned to be fixedly connected as being bolted.
Wheel type combine harvester steeraxle provided in this embodiment has the beneficial effect that:The utility model is double using double acting
Piston rod oil cylinder, in go to action, since oil cylinder or so oil pocket active area is equal, the reciprocal fortune of left and right piston rod
Dynamic speed is impartial, realizes the function that steering rate synchronizes when vehicle turns to left and right, improves driving sense.In addition, this practicality
Two short connecting rods of novel middle use are not only reduced in this way instead of single long draw in the prior art to rod material intensity
Requirement, decrease the use of rod material, reduce pull rod manufacturing cost;Simultaneously because long draw is eliminated, left and right turn
To arm, there is no need to provide connecting fulcrum for former individually long draw so that also shorter and the reduction of the length of left and right steering arm
The use of steering arm material, reduces steering arm production cost.
The above does not impose any limitation on the present invention, although the utility model is with preferably real
It is disclosed above to apply example, however is not limited to the utility model, any person skilled in the art is not departing from this reality
With in new technique aspects, when the technology contents using the disclosure above make a little change or are modified to equivalent variations
Equivalent embodiment, as long as being the content without departing from technical solutions of the utility model, according to the technical essence of the utility model to
Any simple modification, equivalent change and modification made by upper embodiment, are still within the scope of the technical solutions of the present invention.
Claims (6)
1. a kind of wheel type combine harvester steeraxle, which is characterized in that including turning to rear axle, cylinder support, steering cylinder, Zuo Lian
Bar, left steering arm, right connecting rod and right turn arm turn to and are welded with cylinder support on rear axle, be fixedly connected with and turn on cylinder support
To oil cylinder, steering cylinder is respectively arranged on the left side and the right side left piston bar and right piston bar, and wherein left piston bar passes through the first joint
Bearing is connected with left connecting rod one end, and the left connecting rod other end is then hinged by second joint bearing and left steering arm one end, left steering
The arm other end, which is in turn mounted at, to be turned at rear axle left end face, and steering cylinder right piston bar passes through third oscillating bearing and right connecting rod one
End is connected, and the right connecting rod other end is then hinged by the 4th oscillating bearing and right turn arm one end, and the right turn arm other end is installed again
It is turning at rear axle right end face;
The rear axle that turns to is being mounted on limiting steering bolt, limiting steering spiral shell close to the both ends of left steering arm and right turn arm
Bolt is used to limit the swing angle of left steering arm and right turn arm, turns to also be welded with connection boss on rear axle in addition, and connection is convex
Process hole is offered on platform, the process hole is connected by bolt with chassis main frame;
The left end of the left piston bar and the right end of right piston bar are designed with internal thread, the first oscillating bearing, third oscillating bearing
Rod end external screw thread screwed up respectively with the internal thread on left piston bar, right piston bar;
The left connecting rod, right connecting rod one end be equipped with " u "-shaped clamping opening, left connecting rod, right connecting rod the other end be equipped with internal thread, wherein
The bearing head for having the first oscillating bearing, the bearing head of the first oscillating bearing and left company are screwed in the " u "-shaped clamping opening of left connecting rod one end
Bar " u "-shaped clamping opening is connected by hinged bolts, the internal thread of the left connecting rod other end and the rod end external screw thread of second joint bearing
It screws up, the bearing head and left steering arm of second joint bearing are hinged, and being screwed in the " u "-shaped clamping opening of right connecting rod one end has third joint
The bearing head of bearing, the bearing head of third oscillating bearing are connected with the " u "-shaped clamping opening of right connecting rod by hinged bolts, right connecting rod
The rod end external screw thread of the internal thread of the other end and the 4th oscillating bearing screws up, bearing head and right turn the arm hinge of the 4th oscillating bearing
It connects.
2. wheel type combine harvester steeraxle according to claim 1, which is characterized in that the left connecting rod internal thread and the right side
Connecting rod internal thread it is oppositely oriented, left piston bar internal thread is identical as right piston bar internal thread rotation direction.
3. wheel type combine harvester steeraxle according to claim 1, which is characterized in that first oscillating bearing,
Be additionally provided with thin nut on two oscillating bearings, third oscillating bearing and the 4th oscillating bearing, each thin nut with its it is similar in spiral shell
Line cooperatively forms double nut lock.
4. wheel type combine harvester steeraxle according to claim 1, which is characterized in that the steering cylinder is double acting
Double rod cylinder.
5. wheel type combine harvester steeraxle according to claim 1, which is characterized in that the left and right two for turning to rear axle
End is equipped with knuckle soldering member, and steering wheel hub is housed on knuckle soldering member.
6. wheel type combine harvester steeraxle according to claim 1, which is characterized in that described to be fixedly connected as bolt company
It connects.
Priority Applications (1)
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CN201721889943.XU CN207747934U (en) | 2017-12-28 | 2017-12-28 | A kind of wheel type combine harvester steeraxle |
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CN201721889943.XU CN207747934U (en) | 2017-12-28 | 2017-12-28 | A kind of wheel type combine harvester steeraxle |
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CN207747934U true CN207747934U (en) | 2018-08-21 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113016368A (en) * | 2021-03-11 | 2021-06-25 | 江苏沃得高新农业装备有限公司 | Traction structure of square bale bundling machine |
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2017
- 2017-12-28 CN CN201721889943.XU patent/CN207747934U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113016368A (en) * | 2021-03-11 | 2021-06-25 | 江苏沃得高新农业装备有限公司 | Traction structure of square bale bundling machine |
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Address after: 213000 Zhenjiang city of Jiangsu province Danyang Dan Beizhen Picheng Industrial Park Patentee after: Jiangsu wode Agricultural Machinery Co., Ltd Address before: 213000 Zhenjiang city of Jiangsu province Danyang Dan Beizhen Picheng Industrial Park Patentee before: JIANGSU WORLD AGRICULTURAL MACHINERY Co.,Ltd. |