CN204055201U - Four-wheeled tractor elasticity propons - Google Patents
Four-wheeled tractor elasticity propons Download PDFInfo
- Publication number
- CN204055201U CN204055201U CN201420517929.7U CN201420517929U CN204055201U CN 204055201 U CN204055201 U CN 204055201U CN 201420517929 U CN201420517929 U CN 201420517929U CN 204055201 U CN204055201 U CN 204055201U
- Authority
- CN
- China
- Prior art keywords
- guide sleeve
- rocking arm
- propons
- elasticity
- angle axle
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of four-wheeled tractor elasticity propons, comprise: pontic and angle axle, the two ends of described pontic are connected a support sleeve respectively, the middle part of described pontic is hinged by the Connection Block of a swinging shaft and tractor frame, described angle axle comprises vertical shaft part and the transverse axis part for installing wheel assembly, a guide sleeve is rotatablely equipped with in described support sleeve, the vertical shaft part of described angle axle is connected and a sheathed elastic element with described guide sleeve feather key, described elastic element is squeezed between the end of described support sleeve and the bight of described angle axle, the top of one of them guide sleeve sets firmly one first rocking arm, bottom sets firmly one second rocking arm, the bottom of another guide sleeve sets firmly one second rocking arm, described two the second rocking arm positions are corresponding.This elasticity propons, not only good damping result, and compact conformation, with low cost, use reliable, be convenient to promote the use of.
Description
Technical field
The utility model relates to farm tractor front axle technical field, particularly relates to a kind of four-wheeled tractor elasticity propons.
Background technology
Farm tractor front axle is for installing two front wheel assemblies and by the distribution of weight of the driving engine etc. in the frame of carrying to two front-wheels, steering box drives longitudinal tie to make front-wheel steering, intermediate rod is connected between two front-wheels, makes two front-wheels keep synchronous when advancing or turn to.
At present, the propons of four-wheeled tractor especially small four-wheel tractor (less than 25 horsepowers) is generally divided into two classes, and a class is rigid front axle, and another kind of is elasticity propons.Known rigid front axle comprises a pontic, and the middle part of pontic connects a connecting seat by a swinging shaft, and Connection Block is fixed in frame; The two ends of pontic are fixedly connected with a support sleeve respectively, the vertical shaft partial turn of spindle is arranged in support sleeve, the transverse axis part installing wheel assembly of spindle, the spindle of the side corresponding with longitudinal tie connects respectively the first rocking arm and the second rocking arm, the spindle of opposite side is only provided with the second rocking arm, first rocking arm is connected with steering wheel by longitudinal tie, is provided with intermediate rod between two the second rocking arms.The front-axle structure of this structure is simple, suitable low speed operation, but when jolting traveling or operation on road surface, easily causing fatigue and the discomfort of chaufeur, meanwhile, easily causing the endurance failure of body and propons parts.Elasticity propons is damping means mainly with steel spring greatly, and the middle part of steel spring is fixed on the pontic of propons, and its two ends connect and frame, although this structure contributes to vibration damping, assembling is complicated, and cost is high, and not compact, and therefore, its promotion effect is undesirable.
Summary of the invention
Technical problem to be solved in the utility model is: provide a kind of four-wheeled tractor elasticity propons, this elasticity propons not only compact conformation, with low cost but also use reliable.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of four-wheeled tractor elasticity propons, comprise: pontic and angle axle, the two ends of described pontic are connected a support sleeve respectively, the middle part of described pontic is hinged by the Connection Block of a swinging shaft and tractor frame, described angle axle comprises vertical shaft part and the transverse axis part for installing wheel assembly, a guide sleeve is rotatablely equipped with in described support sleeve, the vertical shaft part of described angle axle is connected and a sheathed elastic element with described guide sleeve feather key, described elastic element is squeezed between the end of described guide sleeve and the bight of described angle axle, the top of one of them guide sleeve sets firmly one first rocking arm, bottom sets firmly one second rocking arm, the bottom of another guide sleeve sets firmly one second rocking arm, described two the second rocking arm positions are corresponding.
Preferably, described elastic element comprises a Compress Spring.
Preferably, thrust ball bearing is provided with between the bottom end face of described support sleeve and the lower end surface of described guide sleeve.
Preferably, described first rocking arm is detachably fixedly connected with described guide sleeve, and described second rocking arm and described guide sleeve are set to one.
Preferably, the upper end of the vertical shaft part of described angle axle is fixed with anticreep position-arresting disk.
After have employed technique scheme, the beneficial effects of the utility model are:
Owing to being rotatablely equipped with a guide sleeve in described support sleeve, the vertical shaft part of described angle axle is connected and a sheathed elastic element with described guide sleeve feather key, described elastic element is squeezed between the end of described guide sleeve and the bight of described angle axle, the top of one of them guide sleeve sets firmly one first rocking arm, bottom sets firmly one second rocking arm, the bottom of another guide sleeve sets firmly one second rocking arm, described two the second rocking arm positions are corresponding, therefore the vibration that road bump produces is absorbed by elastic element, and elastic element can with the simple part manufacture such as Compress Spring, thus compact conformation, with low cost.When turning to, steering torque passes to longitudinal tie by steering wheel, then to be connected with the key of the vertical shaft part of angle axle by guide sleeve and to pass to angle axle until wheel set.When wheel pitches, the vertical shaft part of angle axle slides up and down along key in guide sleeve, now, because the first rocking arm and the second rocking arm are all be connected on guide sleeve, and guide sleeve can not produce displacement relative to pontic at above-below direction, thus in the process pitched, the driving engine that tractor frame is installed, longitudinal tie and intermediate rod etc. can not produce the displacement of above-below direction each other, thus can reduce the endurance failure of each parts, strengthen reliability of service.
Thrust ball bearing is provided with, to reduce friction drag between the bottom end face of support sleeve and the lower end surface of described guide sleeve.
Described first rocking arm is detachably fixedly connected with described guide sleeve, and described second rocking arm and described guide sleeve are set to one, is convenient to manufacture and assembling.
The upper end of the vertical shaft part of described angle axle is fixed with anticreep position-arresting disk, in assembling or use procedure, can prevent angle axle and guide sleeve axial separation.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the longitudinal construction cutaway view of the utility model embodiment;
Fig. 2 is the birds-eye view of side corresponding with tractor steering longitudinal tie in Fig. 1;
Fig. 3 is the birds-eye view of opposite side in Fig. 1;
Wherein: 1-angle axle; 2-pontic; 3-Connection Block; 4-swinging shaft; 5-first rocking arm; 6-support sleeve; 7-thrust ball bearing; 8-guide sleeve; 9-elastic element; 10-second rocking arm; 11-anticreep position-arresting disk.
Detailed description of the invention
As shown in Figure 1, a kind of four-wheeled tractor elasticity propons, the two ends of pontic 2 are connected a support sleeve 6 respectively, normally weld.The middle part of pontic 2 is hinged with the Connection Block 3 of tractor frame by a swinging shaft 4, and like this, the weight of the driving engine on tractor frame etc. has just been crushed on pontic 2, and tractor frame can do slight wigwag motion relative to pontic 2.
Angle axle 1 comprises vertical shaft part and the transverse axis part for installing wheel assembly, a guide sleeve 8 is rotatablely equipped with in support sleeve 6, rotating installation and can have various ways, in order to reduce friction, thrust ball bearing 7 being set between the bottom end face and the lower end surface of guide sleeve 8 of support sleeve 6, in order to adapt to the requirement of spaces compact, done by thrust ball bearing 7 and be out of shape, namely blowout patche and guide sleeve 8 are set to one, certainly, also can by necessary design, the thrust ball bearing of apolegamy standard.
The vertical shaft part of angle axle 1 is connected and a sheathed elastic element 9 with described guide sleeve 8 feather key, elastic element 9 is squeezed between the end of guide sleeve 8 and the bight of angle axle 1, the Compress Spring that elastic element 9 is preferably with low cost, certainly, also can adopt rubber spring etc., these needs determine its size according to the size of elasticity modulus and vibratory force.Feather key why is adopted to connect, because steering torque should be transmitted by guide sleeve 8 to angle axle 1, again can when wheel pitches, make to produce between the vertical shaft part of angle axle 1 and guide sleeve 8 to slide axially, to coordinate the vibration of elastic element 9, key mentioned here can be spline also can be singly-bound, as long as can transmitting torque and can sliding axially.In assembling or use procedure, in order to prevent angle axle 1 and guide sleeve 8 axial separation, the upper end of the vertical shaft part of angle axle 1 is fixed with anticreep position-arresting disk 11.
As shown in Figure 2, the top of a guide sleeve 8 of side corresponding with tractor steering longitudinal tie sets firmly one first Rocker arm 5, and bottom sets firmly one second rocking arm 10.First Rocker arm 5 is detachably fixedly connected with guide sleeve 8, and the second rocking arm 10 is set to one with guide sleeve 8, and these are all for manufacturing and consideration easy to assembly.
As shown in Figure 3, the bottom of another guide sleeve 8 sets firmly one second rocking arm 10, and these two the second rocking arm 10 positions are corresponding, to arrange intermediate rod, ensures synchronous when turning to of two wheels.
Principle of work of the present utility model is: wheel is attached to ground, the weight of pontic 2 support frame, application force between the two and antagonistic force change the pressure of angulation axle 1 and guide sleeve 8 pairs of elastic elements 9, and the vibration that thus road bump produces can be absorbed by elastic element 9.When turning to, steering torque passes to longitudinal tie by steering wheel, then to be connected with the key of the vertical shaft part of angle axle 1 by guide sleeve 8 and to pass to angle axle until wheel set.When wheel pitches, the vertical shaft part of angle axle 1 moves up and down along feather key in guide sleeve 8, now, because the first Rocker arm 5 and the second rocking arm 10 are all be connected on guide sleeve 8, and guide sleeve 8 can not produce displacement relative to pontic 2 at above-below direction, thus in the process pitched, the driving engine that tractor frame is installed, longitudinal tie and intermediate rod etc. can not produce the displacement of above-below direction each other, thus can reduce the endurance failure of each parts, strengthen reliability of service.
In a word, this elasticity propons that the utility model discloses, not only good damping result, and compact conformation, with low cost, use reliable, be convenient to promote the use of.
Claims (5)
1. four-wheeled tractor elasticity propons, comprise: pontic and angle axle, the two ends of described pontic are connected a support sleeve respectively, the middle part of described pontic is hinged by the Connection Block of a swinging shaft and tractor frame, described angle axle comprises vertical shaft part and the transverse axis part for installing wheel assembly, it is characterized in that, a guide sleeve is rotatablely equipped with in described support sleeve, the vertical shaft part of described angle axle is connected and a sheathed elastic element with described guide sleeve feather key, described elastic element is squeezed between the end of described guide sleeve and the bight of described angle axle, the top of one of them guide sleeve sets firmly one first rocking arm, bottom sets firmly one second rocking arm, the bottom of another guide sleeve sets firmly one second rocking arm, described two the second rocking arm positions are corresponding.
2. four-wheeled tractor elasticity propons as claimed in claim 1, it is characterized in that, described elastic element comprises a Compress Spring.
3. four-wheeled tractor elasticity propons as claimed in claim 2, is characterized in that, be provided with thrust ball bearing between the bottom end face of described support sleeve and the lower end surface of described guide sleeve.
4. the four-wheeled tractor elasticity propons as described in claim 1 or 2 or 3, is characterized in that, described first rocking arm is detachably fixedly connected with described guide sleeve, and described second rocking arm and described guide sleeve are set to one.
5. four-wheeled tractor elasticity propons as claimed in claim 4, it is characterized in that, the upper end of the vertical shaft part of described angle axle is fixed with anticreep position-arresting disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420517929.7U CN204055201U (en) | 2014-09-09 | 2014-09-09 | Four-wheeled tractor elasticity propons |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420517929.7U CN204055201U (en) | 2014-09-09 | 2014-09-09 | Four-wheeled tractor elasticity propons |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204055201U true CN204055201U (en) | 2014-12-31 |
Family
ID=52196775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420517929.7U Expired - Fee Related CN204055201U (en) | 2014-09-09 | 2014-09-09 | Four-wheeled tractor elasticity propons |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204055201U (en) |
-
2014
- 2014-09-09 CN CN201420517929.7U patent/CN204055201U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20170909 |