CN211931239U - Suspension device for electric control hydraulic lifter of tractor - Google Patents
Suspension device for electric control hydraulic lifter of tractor Download PDFInfo
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- CN211931239U CN211931239U CN202020352275.2U CN202020352275U CN211931239U CN 211931239 U CN211931239 U CN 211931239U CN 202020352275 U CN202020352275 U CN 202020352275U CN 211931239 U CN211931239 U CN 211931239U
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- push rod
- tractor
- electric push
- cylindrical barrel
- gag lever
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Abstract
The utility model provides a linkage for automatically controlled hydraulic lift of tractor, includes the gag lever post, the lower link, and the both ends of gag lever post and lower link all are equipped with the mounting hole, and the one end of gag lever post is connected with the outside of corresponding lower link is articulated respectively, goes up the telescopic link of electric putter and passes and contact cooperation with it in the through-hole of cylindricality bucket upper end, goes up the telescopic link of electric putter and the telescopic link of electric putter down respectively with corresponding slider fixed connection. The utility model discloses when using, the mounting means that hangs and hang the connected mode with the agricultural machinery with prior art the same, the other end of gag lever post is connected through the round pin axle is articulated with the corresponding fixing base in tractor one side bottom respectively, after the installation is accomplished with the mount pad of agricultural implement respectively with the other end of lower link through the round pin axle is articulated to be connected, through with the both ends of going up the pull rod respectively with the fixing base on tractor one side upper portion, the mount pad of agricultural implement is articulated to be connected, install tractor and agricultural implement.
Description
Technical Field
The utility model belongs to the field of hang, specifically speaking are automatically controlled for hydraulic hoist linkage of tractor.
Background
In the tractor driving process, because the road surface environment of operation often can jolt and fluctuate, three point linkage on the tractor can produce very big rocking, and then lead to the agricultural implement of being connected with it to take place great vibrations, this can cause the inside comparatively tiny last part loss of agricultural implement serious, and because partial structural strength is not enough, take place to distort the damage or even fracture easily, the reliability of greatly reduced agricultural implement when using, the security and the life that reduces the agricultural implement, current linkage is the integral type fixed knot structure, by last pull rod, lower pull rod, the gag lever post is constituteed, its position keeps motionless for the agricultural implement installation back, when carrying out work and meetting the land of height, the low-lying department agricultural implement like the land causes the condition of agricultural implement and ground separation easily when passing through the low-lying department, and then influence the result of use of agricultural implement.
SUMMERY OF THE UTILITY MODEL
The utility model provides a linkage for automatically controlled hydraulic pressure lifting mechanism of tractor for solve the defect among the prior art.
The utility model discloses a following technical scheme realizes:
the utility model provides a linkage for automatically controlled hydraulic lift of tractor, includes gag lever post, lower link, and the both ends of gag lever post and lower link all are equipped with the mounting hole, and the one end of gag lever post is connected with the outside of corresponding lower link is articulated respectively, controller, characterized in that: the outer side middle part of lower pull rod is respectively through articulated seat installation lower electric push rod, the top of lower pull rod is equipped with the cylindricality bucket that the slope set up respectively, the through-hole is all seted up at the both ends of cylindricality bucket, the inside upside fixed mounting baffle of cylindricality bucket, the telescopic link of lower electric push rod passes in the through-hole of cylindricality bucket lower extreme and contact fit with it, two the same sliders of movable mounting in the cylindricality bucket, the slider is located the top and the below of baffle respectively, one of them slider passes extension spring fixed connection with the baffle, another slider passes spring fixed connection with the baffle, the top of cylindricality bucket is equipped with last electric push rod, the telescopic link of going up electric push rod passes in the through-hole of cylindricality bucket upper end and contact fit with it, the telescopic link of going up electric push rod and the telescopic link.
According to the suspension device for the electric control hydraulic lifter of the tractor, the annular plate is fixedly installed at the lower end of the upper electric push rod cylinder body, the lower inclined surface of the annular plate connected with the upper electric push rod can be in contact fit with the upper end surface of the cylindrical barrel, the same annular plate is fixedly installed at the upper end of the lower electric push rod cylinder body, and the upper inclined surface of the annular plate connected with the lower electric push rod can be in contact fit with the lower end surface of the cylindrical barrel.
According to the suspension device for the electrically controlled hydraulic lifter of the tractor, the spring is a disc spring.
According to the suspension device for the electric control hydraulic lifter of the tractor, the tension spring is made of 60 Si 2 MnA spring steel.
According to the suspension device for the electric control hydraulic lifter of the tractor, the lower electric push rod and the upper electric push rod are made of modulated structural steel such as 40 Cr and 35 SiMn.
According to the suspension device for the electric control hydraulic lifter of the tractor, lubricating oil is coated on the inner wall of the cylindrical barrel.
The utility model has the advantages that: the utility model discloses when using, the mounting means that hangs and hang the connected mode with the agricultural machinery the same with prior art, the articulated seat at electricity push rod top is connected through the round pin axle and the articulated corresponding hoisting arm of lifting mechanism during installation promptly, the other end of gag lever post is connected through the round pin axle is articulated with the corresponding fixing base in tractor one side bottom respectively, the one end of lower link is connected through the round pin axle is articulated with the corresponding fixing base in tractor one side bottom, install the back and pass through the round pin axle with the mount pad of agricultural implement and be connected through the other end of lower link respectively after accomplishing, through the both ends that will go up the pull rod respectively with the fixing base on tractor one side upper portion, the mount pad of agricultural implement articulates and is connected, install tractor and agricultural implement. After the farm tool is installed, a user needs to transport the farm tool to a place needing operation through a tractor, in the transportation process, the lifter lifts the farm tool upwards through a lifting arm, the farm tool is separated from the bottom surface, the user enables a telescopic rod of a lower electric push rod and a telescopic rod of an upper electric push rod to be in a completely extended state through a controller, as the tension of a tension spring is smaller than the gravity of the farm tool, a sliding block positioned below the tension spring is in contact fit with the bottom surface of the inner wall of a cylindrical barrel at the moment, the tension spring is in an extended state, when the farm tool causes the whole tractor and the farm tool to vibrate due to the self vibration of the tractor or uneven roads, the upper electric push rod and the lower electric push rod can be close to the middle of the cylindrical barrel, the spring and the tension spring are compressed at the moment, the force generated by the vibration is converted into the self elastic force by the spring and the tension spring, so that, thereby avoided agricultural implement vibrations too big, avoided the inside less part of agricultural implement to receive great power because vibrations and take place to damage. When the farm tool is used for working, the farm tool falls downwards through the lifter to be attached to the ground, at the moment, the annular plate at the upper end of the lower electric push rod is in contact fit with the cylindrical barrel, the telescopic rod at the outer side of the lower electric push rod completely enters the cylindrical barrel, when the ground is uneven, the farm tool moves downwards at a low-lying position due to the fact that the gravity of the farm tool is larger than the tension of the tension spring under the action of the self gravity of the farm tool, the telescopic rod of the lower electric push rod moves towards the outer side of the cylindrical barrel, so that the farm tool is attached to the ground all the time, the farm tool is jacked upwards at the ground, at the moment, the telescopic rod of the upper electric push rod moves towards the inside of the cylindrical barrel, the telescopic rod of the upper electric push rod pushes the sliding block to move towards the center of the cylindrical barrel, at the moment, the spring is compressed, so that the farm tool cannot be attached to the ground too tightly when passing through a higher place, thereby protecting the farm implement. The utility model discloses can change the telescopic link of power-on push rod and the length that stretches out of the telescopic link of electric push rod down through the controller to the change is when power-on push rod and electric push rod down all do not receive exogenic action, goes up the holistic length that power-on push rod, lower electric push rod, cylindricality bucket formed, thereby adapts to the installation of different agricultural implements, and application scope is wide.
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In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural diagram of the present invention; fig. 2 is an enlarged view of part i of fig. 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The utility model provides a linkage for automatically controlled hydraulic pressure lifting mechanism of tractor, as shown in the figure, including gag lever post 1, the quantity of gag lever post 1 is two, lower link 2, the quantity of lower link 2 is 2, gag lever post 1 and lower link 2's both ends all are equipped with the mounting hole, gag lever post 1's one end is articulated with corresponding lower link 2's the outside respectively and is connected, gag lever post 1's the other end is articulated with corresponding fixing base in tractor one side bottom respectively, lower link 2's one end is articulated with the corresponding fixing base in tractor one side bottom and is connected, a controller, controller fixed mounting is in one side of tractor driver's seat, the controller is connected with power supply circuit, characterized in that: the middle part of the outer side of the lower pull rod 2 is respectively provided with a lower electric push rod 3 through a hinged seat, the upper part of the lower pull rod 2 is respectively provided with a cylindrical barrel 4 which is obliquely arranged, both ends of the cylindrical barrel 4 are respectively provided with a through hole 5, the upper side inside the cylindrical barrel 4 is fixedly provided with a baffle 6, the baffle 6 is of a circular structure, the periphery of the baffle 6 is fixedly connected with the inner wall of the cylindrical barrel 4, a telescopic rod of the lower electric push rod 3 passes through the through hole 5 at the lower end of the cylindrical barrel 4 and is in contact fit with the through hole, two identical slide blocks 7 are movably arranged in the cylindrical barrel 4, the periphery of each slide block 7 is in contact fit with the inner wall of the cylindrical barrel 4, the slide blocks 7 are respectively positioned above and below the baffle 6, one slide block 7 is fixedly connected with the baffle 6 through a tension spring 8, one end of each tension spring 8 is fixedly connected with the lower inclined surface of the baffle 6, the other end, another slider 7 and baffle 6 pass through spring 9 fixed connection, the one end of spring 9 and the last inclined plane fixed connection of baffle 6, the other end of spring 9 and the lower inclined plane fixed connection of corresponding slider 7, the elasticity of spring 9 is greater than the elasticity of extension spring 8, the top of cylindricality bucket 4 is equipped with power-on push rod 10, power-on push rod 10 and lower power-on push rod 3 all with power, controller circuit connection, the upper end of power-on push rod 10 is equipped with articulated seat, the telescopic link of power-on push rod 10 passes in through-hole 5 of cylindricality bucket 4 upper end and contact cooperation with it, the telescopic link of power-on push rod 10 and the telescopic link of lower power-on push rod 3 respectively with corresponding slider 7 fixed connection. The utility model discloses when using, the mounting means that hangs and hang the connected mode with the agricultural machinery the same with prior art, the articulated seat at electricity push rod 10 top is connected through round pin axle and the articulated lift arm that lifter 12 is corresponding when installing promptly, the other end of gag lever post 1 passes through the articulated connection of round pin axle with the corresponding fixing base in tractor one side bottom respectively, the one end of pull down rod 2 and the corresponding fixing base in tractor one side bottom are connected through the articulated connection of round pin axle, install the back and pass through the articulated connection of round pin axle with the other end of pull down rod 2 respectively with the mounting base of agricultural implement after accomplishing, through the both ends that will go up pull rod 13 respectively with the fixing base on tractor one side upper portion, the articulated connection of mounting base of agricultural implement, install tractor and agricultural implement. After the farm tool is installed, a user needs to transport the farm tool to a place needing operation through a tractor, in the transportation process, a lifter 12 lifts the farm tool upwards through a lifting arm, the farm tool is separated from the bottom surface, the user enables a telescopic rod of a lower electric push rod 3 and a telescopic rod of an upper electric push rod 10 to be in a completely extended state through a controller, as the tension of a tension spring 8 is smaller than the gravity of the farm tool, a slide block 7 positioned below is in contact fit with the bottom surface of the inner wall of a cylindrical barrel 4 at the moment, the tension spring 8 is in an extended state, when the farm tool shakes due to the self-vibration of the tractor or uneven roads of the tractor and the whole farm tool, the upper electric push rod 10 and the lower electric push rod 3 can approach to the middle of the cylindrical barrel 4, at the moment, the spring 9 and the tension spring 8 are both compressed, the force generated by the vibration is converted into self-elastic force of the tractor by the, the vibration of the farm tool is reduced, so that the farm tool is prevented from being too large in vibration, and smaller parts in the farm tool are prevented from being damaged due to the fact that the parts are subjected to larger force due to vibration. When the farm tool is used for working, the farm tool falls downwards through the lifter 12 to be attached to the ground, at the moment, the annular plate 11 at the upper end of the lower electric push rod 3 is in contact fit with the cylindrical barrel 4, the telescopic rod at the outer side of the lower electric push rod 3 completely enters the cylindrical barrel 4, when the ground is uneven, the farm tool is always attached to the ground at a low position due to the fact that the gravity of the farm tool is larger than the tension of the tension spring 8 and moves downwards under the action of the gravity of the farm tool, the telescopic rod of the lower electric push rod 3 moves towards the outer side of the cylindrical barrel 4, the farm tool is jacked upwards at a higher position of the ground, at the moment, the telescopic rod of the upper electric push rod 10 moves towards the inner part of the cylindrical barrel 4, the telescopic rod of the upper electric push rod 10 pushes the sliding block 7 to move towards the center of the cylindrical barrel 4, at the moment, the spring 9 is compressed, so that the farm tool cannot be attached to the ground too tightly when passing through the higher position of the ground, and the connection, thereby protecting the farm implement. The utility model discloses can change the length that the telescopic link of last electric putter 10 and the telescopic link of electric putter 3 stretched out down through the controller to the change is when last electric putter 10 and electric putter 3 all not receive the exogenic action down, goes up electric putter 10, lower electric putter 3, the holistic length that cylindricality bucket 4 formed, thereby adapts to the installation of different agricultural implements, and application scope is wide.
Specifically, as shown in fig. 1, the lower end of the cylinder of the upper electric push rod 10 of the present embodiment is fixedly provided with an annular plate 11, the lower inclined surface of the annular plate 11 connected with the upper electric push rod 10 can be in contact fit with the upper end surface of the cylindrical barrel 4, the upper end of the cylinder of the lower electric push rod 3 is fixedly provided with the same annular plate 11, and the upper inclined surface of the annular plate 11 connected with the lower electric push rod 3 can be in contact fit with the lower end surface of the cylindrical barrel 4. This structural design can increase the area of contact of going up electric putter 10, lower electric putter 3 and cylindricality bucket 4, when going up electric putter 10, lower electric putter 3 and cylindricality bucket 4 contact, can reduce the pressure that the electric putter 10, lower electric putter 3 bore in the unit area, avoids going up the damage of electric putter 10, lower electric putter 3.
Specifically, as shown in fig. 2, the spring 9 of the present embodiment is a disc spring. The disc spring can bear an extremely large load in a small space. The deformation energy per unit volume of the disc spring is larger than that of other types of springs. Have good buffering shock absorption ability, can improve the utility model discloses a reliability and buffer capacity.
Further, as shown in fig. 2, the tension spring 8 of the present embodiment is made of 60 Si 2 MnA spring steel. The 60 Si 2 MnA spring steel has high strength and high elasticity, and can bear a large load, thereby improving the reliability of the tension spring 8 in use.
Furthermore, as shown in fig. 1, the lower electric push rod 3 and the upper electric push rod 10 in this embodiment are made of modulated structural steel, such as 40 Cr and 35 SiMn. Modulation structural steel can bear great load, and mechanical properties is good, is difficult for breaking occur and crooked when using, can improve the utility model discloses a reliability.
Further, as shown in fig. 2, the inner wall of the cylindrical barrel 4 according to the present embodiment is coated with a lubricant. This structural design can reduce the frictional force of slider 7 and cylindricality bucket 4 inner wall, makes slider 7 more easily move in the inside of cylindricality bucket 4.
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 it; 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 technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (6)
1. The utility model provides a linkage for automatically controlled hydraulic lift of tractor, includes gag lever post (1), lower link (2), and the both ends of gag lever post (1) and lower link (2) all are equipped with the mounting hole, and the one end of gag lever post (1) is articulated with the outside of corresponding lower link (2) respectively and is connected, controller, characterized in that: the middle part of the outer side of the lower pull rod (2) is provided with a lower electric push rod (3) through a hinged seat respectively, a cylindrical barrel (4) which is obliquely arranged is arranged above the lower pull rod (2) respectively, through holes (5) are formed in two ends of the cylindrical barrel (4), a baffle (6) is fixedly arranged on the upper side in the cylindrical barrel (4), a telescopic rod of the lower electric push rod (3) penetrates through the through hole (5) in the lower end of the cylindrical barrel (4) and is in contact fit with the through hole, two identical sliding blocks (7) are movably arranged in the cylindrical barrel (4), the sliding blocks (7) are respectively positioned above and below the baffle (6), one sliding block (7) is fixedly connected with the baffle (6) through a tension spring (8), the other sliding block (7) is fixedly connected with the baffle (6) through a spring (9), an upper electric push rod (10) is arranged above the cylindrical barrel (4), a telescopic rod of the upper electric push rod (10) penetrates through the through hole (5) in the, the telescopic rod of the upper electric push rod (10) and the telescopic rod of the lower electric push rod (3) are respectively and fixedly connected with the corresponding sliding blocks (7).
2. The suspension device for the electrically controlled hydraulic lifter of the tractor according to claim 1, wherein: the lower end of the cylinder body of the power-on push rod (10) is fixedly provided with the annular plate (11), the lower inclined surface of the annular plate (11) connected with the power-on push rod (10) can be in contact fit with the upper end surface of the cylindrical barrel (4), the same annular plate (11) is fixedly arranged at the upper end of the cylinder body of the power-off push rod (3), and the upper inclined surface of the annular plate (11) connected with the power-off push rod (3) can be in contact fit with the lower end surface of the cylindrical barrel (4).
3. The suspension device for the electrically controlled hydraulic lifter of the tractor according to claim 1, wherein: the spring (9) is a disc spring.
4. The suspension device for the electrically controlled hydraulic lifter of the tractor according to claim 1, wherein: the tension spring (8) is made of 60 Si 2 MnA spring steel.
5. The suspension device for the electrically controlled hydraulic lifter of the tractor according to claim 1, wherein: the lower electric push rod (3) and the upper electric push rod (10) are made of modulated structural steel such as 40 Cr and 35 SiMn.
6. The suspension device for the electrically controlled hydraulic lifter of the tractor according to claim 1, wherein: and lubricating oil is smeared on the inner wall of the cylindrical barrel (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020352275.2U CN211931239U (en) | 2020-03-19 | 2020-03-19 | Suspension device for electric control hydraulic lifter of tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020352275.2U CN211931239U (en) | 2020-03-19 | 2020-03-19 | Suspension device for electric control hydraulic lifter of tractor |
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| Publication Number | Publication Date |
|---|---|
| CN211931239U true CN211931239U (en) | 2020-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020352275.2U Active CN211931239U (en) | 2020-03-19 | 2020-03-19 | Suspension device for electric control hydraulic lifter of tractor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113519222A (en) * | 2021-06-21 | 2021-10-22 | 山东悍沃农业装备有限公司 | Hydraulic control system of tractor suspension mechanism |
| CN114208429A (en) * | 2021-12-16 | 2022-03-22 | 江阴市邦吉机械有限公司 | Frame cross beam structure of straw returning machine |
| CN114303541A (en) * | 2021-12-07 | 2022-04-12 | 台前县金园农业机械有限公司 | Agricultural seeder linkage |
-
2020
- 2020-03-19 CN CN202020352275.2U patent/CN211931239U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113519222A (en) * | 2021-06-21 | 2021-10-22 | 山东悍沃农业装备有限公司 | Hydraulic control system of tractor suspension mechanism |
| CN113519222B (en) * | 2021-06-21 | 2022-11-29 | 山东悍沃农业装备有限公司 | Hydraulic control system of tractor suspension mechanism |
| CN114303541A (en) * | 2021-12-07 | 2022-04-12 | 台前县金园农业机械有限公司 | Agricultural seeder linkage |
| CN114208429A (en) * | 2021-12-16 | 2022-03-22 | 江阴市邦吉机械有限公司 | Frame cross beam structure of straw returning machine |
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