CN213907391U - Novel lifting arm for tractor - Google Patents
Novel lifting arm for tractor Download PDFInfo
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- CN213907391U CN213907391U CN202023070156.7U CN202023070156U CN213907391U CN 213907391 U CN213907391 U CN 213907391U CN 202023070156 U CN202023070156 U CN 202023070156U CN 213907391 U CN213907391 U CN 213907391U
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- support arm
- connecting seat
- arm
- traction
- lifting arm
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Abstract
The utility model discloses a novel lifting arm for a tractor, which comprises a traction cylinder and a connecting seat, wherein the connecting seat is arranged on one side of the traction cylinder, a support arm is arranged between the traction cylinder and the connecting seat, and a connecting rod is arranged above the support arm in parallel; the two ends of the support arm are both provided with rotating frames, the support arm is hinged to the connecting seat and the traction cylinder respectively through the two groups of rotating frames, and the two ends of the connecting rod are both provided with auxiliary frames. Has the advantages that: the utility model discloses a set up current fixed integrative lifting arm structure into the many pull rod structures of flexible adjustment to adjust lifting arm bearing height in real time according to the required operation degree of depth in different regions in farmland in the use, use with the farmland that is applicable to more different operation degrees of depth, and need not to pull down the back and hang the agricultural implement and can adjust lifting arm bearing height, the simple operation, the practicality is strong.
Description
Technical Field
The utility model relates to an agricultural machinery equipment field, concretely relates to novel lifting arm is used to tractor.
Background
The tractor lifting arm is a part of a rear wheel suspension mechanism of the tractor, supports an external traction tool through the lifting arm to realize operations such as plowing, fertilizing, harvesting and the like on a farmland, determines the operation depth of the farm tool in the farmland through the tractor lifting arm, and is one of essential parts in the use process of the farm tool.
The applicant finds that at least the following technical problems exist in the prior art: the lift arm for tractor that uses at present is fixed structure, is connected the back with tractor and agricultural implement through the lift arm, and the agricultural implement operation degree of depth is the fixed value, when different require degree of depth farmland uses, need change the lift arm with the adjustment operation degree of depth, complex operation, and need many people to cooperate to demolish the agricultural implement in order to change the lift arm, and the practicality is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a novel lifting arm for tractor just lies in solving above-mentioned problem, sets up current fixed integrative lifting arm structure into the many pull rod structure of flexible adjustment to adjust lifting arm bearing height in real time according to the different regional required operation degree of depth in farmland in the use, use in order to be applicable to more adverse circumstances, and need not to pull down the back and hang the agricultural implement and can adjust lifting arm bearing height, the simple operation, the practicality is strong, describe in detail below.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a novel lifting arm for a tractor, which comprises a traction cylinder and a connecting seat, wherein the connecting seat is arranged on one side of the traction cylinder, a support arm is arranged between the traction cylinder and the connecting seat, and a connecting rod is arranged above the support arm in parallel;
the support arm both ends all are provided with the rotating turret, the support arm through two sets of the rotating turret respectively in the connecting seat with draw a section of thick bamboo and articulate mutually, the connecting rod both ends all are provided with the auxiliary frame, just the connecting rod through two sets of the auxiliary frame with the connecting seat with draw a section of thick bamboo and articulate mutually, the connecting rod with support arm length equals, just draw bobbin base portion and be close to connecting seat one side is provided with the bearing subassembly that supports the support arm.
When the novel lifting arm for the tractor is used and the farm tool needs to be hung on the rear part of the tractor, the traction cylinder is sleeved outside the traction shaft of the tractor, the connecting shaft of the farm tool penetrates through the shaft hole of the connecting seat, and the connecting seat is locked and connected through the existing locking component on the connecting shaft of the farm tool, so that the hanging connection process of the farm tool and the tractor by the lifting arm is completed; when the supporting height of agricultural implement needs to be adjusted to change the depth of farmland operation, the operator hand passes the accommodation hole is in order to rotate the knob, this knob drives the screw rod and rotates, through the normal running fit effect of screw rod and installation section of thick bamboo to and the screw-thread fit effect of screw rod and a location section of thick bamboo, thereby the length that adjusting screw rod stretched into in the location section of thick bamboo, in order to adjust bearing assembly's whole length realizes the adjustment action of support arm supporting height, thereby adjusts the supporting height of connecting seat through support arm cooperation connecting rod, thereby realizes the lifting height and the depth of farmland operation adjustment process of tractor rear portion carry agricultural implement.
Preferably, the traction cylinder is of a hollow cylinder structure which is communicated up and down, a plurality of groups of limiting grooves are uniformly arranged on the inner side of the traction cylinder in a surrounding mode, and the limiting grooves vertically extend to the upper end and the lower end of the traction cylinder.
Preferably, the connecting seat is a U-shaped frame with an opening facing away from the support arm, one side of the connecting seat, which is far away from the support arm, is of an arc semicircular structure, and a circular shaft hole vertically penetrates through the middle of the connecting seat.
Preferably, the upper side and the lower side of each support arm are provided with a weight reduction groove, the support arm in the middle of each weight reduction groove is provided with a containing hole, each containing hole is a rectangular square hole, and the length and the width of each containing hole are both 10 cm.
Preferably, the supporting assembly comprises a positioning cylinder arranged below the support arm, a hinge frame is arranged at one end, close to the traction cylinder, of the positioning cylinder, the positioning cylinder is hinged to the traction cylinder through the hinge frame, a screw rod is arranged inside one end, far away from the hinge frame, of the positioning cylinder, and the screw rod is in threaded fit with the positioning cylinder.
Preferably, an installation cylinder is arranged on the outer side of the middle of the screw rod, the screw rod is matched with the installation cylinder in a rotating mode, a bearing frame is arranged on the outer side of the installation cylinder, a rotating shaft is longitudinally arranged in the middle of the bearing frame in a rotating mode, the rotating shaft is fixedly welded to the outer wall of the installation cylinder, the bearing frame is fixed below the supporting arm, and one end, far away from the positioning cylinder, of the screw rod extends to the position below the containing hole and is fixedly provided with a disc-shaped knob.
Has the advantages that: the utility model discloses a set up current fixed integrative lifting arm structure into the many pull rod structures of flexible adjustment to adjust lifting arm bearing height in real time according to the required operation degree of depth in different regions in farmland in the use, use with being applicable to more adverse circumstances, and need not to pull down the back and hang the agricultural implement and can adjust lifting arm bearing height, the simple operation, the practicality is strong.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a front view structural diagram of the present invention;
fig. 2 is a schematic perspective view of the present invention;
figure 3 is a schematic perspective view of the support assembly of the present invention.
The reference numerals are explained below:
1. a traction drum; 101. a limiting groove; 2. a support arm; 201. a rotating frame; 202. a weight reduction groove; 203. a housing hole; 3. a connecting seat; 301. a shaft hole; 4. a connecting rod; 401. an auxiliary frame; 5. a holding assembly; 501. a positioning cylinder; 501a, a hinge frame; 502. a screw; 503. mounting the cylinder; 504. a knob; 505. a pressure bearing frame.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of 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.
Referring to fig. 1-3, the utility model provides a novel lifting arm for a tractor, which comprises a traction cylinder 1 and a connecting seat 3, wherein the connecting seat 3 is arranged at one side of the traction cylinder 1, a support arm 2 is arranged between the traction cylinder 1 and the connecting seat 3, and a connecting rod 4 is arranged above the support arm 2 in parallel;
the two ends of the support arm 2 are both provided with rotating frames 201, the support arm 2 is hinged to the connecting seat 3 and the traction barrel 1 through the two groups of rotating frames 201, the two ends of the connecting rod 4 are both provided with auxiliary frames 401, the connecting rod 4 is hinged to the connecting seat 3 and the traction barrel 1 through the two groups of auxiliary frames 401, the length of the connecting rod 4 is equal to that of the support arm 2, and the bottom of the traction barrel 1 is provided with a bearing component 5 for supporting the support arm 2 near one side of the connecting seat 3.
As an optional implementation mode, the traction cylinder 1 is a hollow cylinder structure which is through up and down, a plurality of groups of limiting grooves 101 are uniformly arranged on the inner side of the traction cylinder 1 in a surrounding manner, the limiting grooves 101 vertically extend to the upper end and the lower end of the traction cylinder 1, so that the connection stability of the traction cylinder 1 and a tractor traction shaft is increased through the limiting grooves 101, the connecting seat 3 is a U-shaped frame with an opening facing away from the support arm 2, one side of the connecting seat 3, which is far away from the support arm 2, is of an arc semicircular structure, and a circular shaft hole 301 vertically penetrates through the middle part of the connecting seat 3;
the upper side and the lower side of the support arm 2 are provided with lightening grooves 202, the support arm 2 in the middle of the lightening grooves 202 is provided with a containing hole 203, the containing hole 203 is a rectangular square hole, the length and the width of the containing hole 203 are both 10cm, the hand of a user can pass through the containing hole 203 to adjust the supporting component 5, the supporting component 5 comprises a positioning cylinder 501 arranged below the support arm 2, one end of the positioning cylinder 501, which is close to the traction cylinder 1, is provided with a hinge frame 501a, the positioning cylinder 501 is hinged with the traction cylinder 1 through the hinge frame 501a, one end of the positioning cylinder 501, which is far away from the hinge frame 501a, is internally provided with a screw rod 502, the screw rod 502 is in threaded fit with the positioning cylinder 501, the outer side of the middle of the screw rod 502 is provided with an installation cylinder 503, the screw rod 502 is in rotational fit with the installation cylinder 503, the outer side of the installation cylinder 503 is provided with a pressure bearing frame 505, the middle of the pressure bearing frame 505 is longitudinally provided with a rotating shaft, and the rotating shaft is welded and fixed with the outer wall of the installation cylinder 503, the pressure-bearing frame 505 is fixed below the support arm 2, and one end of the screw 502, which is far away from the positioning cylinder 501, extends to the lower part of the containing hole 203 and is fixed with a disc-shaped knob 504.
By adopting the structure, when the lifting arm is needed to be used for hanging the farm tool on the rear part of the tractor in the using process, the traction cylinder 1 is sleeved outside the traction shaft of the tractor, the connecting shaft of the farm tool penetrates through the shaft hole 301 of the connecting seat 3, and the connecting seat 3 is locked and connected through the existing locking component on the connecting shaft of the farm tool, so that the hanging connection process of the lifting arm on the farm tool and the tractor is completed; when the supporting height of the farm tool needs to be adjusted to change the depth of the farm operation, the hand of an operator penetrates through the accommodating hole 203 to rotate the knob 504, the knob 504 drives the screw rod 502 to rotate, the length of the screw rod 502 extending into the positioning cylinder 501 is adjusted through the rotating matching action of the screw rod 502 and the mounting cylinder 503 and the thread matching action of the screw rod 502 and the positioning cylinder 501, so that the whole length of the bearing assembly 5 is adjusted, the adjusting action of the supporting height of the support arm 2 is realized, the supporting height of the connecting seat 3 is adjusted through the support arm 2 matching with the connecting rod 4, and the lifting height of the farm tool hung on the rear part of the tractor and the adjusting process of the depth of the farm operation are realized;
through setting up current fixed integrative lifting arm structure into the many pull rod structure of flexible adjustment to adjust lifting arm bearing height in real time according to the required operation degree of depth in different regions in farmland in the use, use in order being applicable to the farmland of more different operation degree of depth, and need not to pull down the back and hang the agricultural implement and can adjust lifting arm bearing height, the simple operation, the practicality is strong.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. A novel lifting arm for a tractor is characterized in that: the traction device comprises a traction cylinder (1) and a connecting seat (3), wherein the connecting seat (3) is arranged on one side of the traction cylinder (1), a supporting arm (2) is arranged between the traction cylinder (1) and the connecting seat (3), and a connecting rod (4) is arranged above the supporting arm (2) in parallel;
support arm (2) both ends all are provided with rotating turret (201), support arm (2) are through two sets of rotating turret (201) respectively in connecting seat (3) with it is articulated mutually to pull a section of thick bamboo (1), connecting rod (4) both ends all are provided with auxiliary frame (401), just connecting rod (4) are through two sets of auxiliary frame (401) with connecting seat (3) with it is articulated mutually to pull a section of thick bamboo (1), connecting rod (4) with support arm (2) length equals, just it is close to pull a section of thick bamboo (1) bottom connecting seat (3) one side is provided with the support bearing subassembly (5) of support arm (2).
2. A new lifting arm for a tractor according to claim 1, characterised in that: the traction cylinder (1) is of a hollow cylinder structure which is through from top to bottom, a plurality of groups of limiting grooves (101) are uniformly arranged on the inner side of the traction cylinder (1) in a surrounding mode, and the limiting grooves (101) vertically extend to the upper end and the lower end of the traction cylinder (1).
3. A new lifting arm for a tractor according to claim 1, characterised in that: connecting seat (3) are that the opening dorsad the U-shaped frame of support arm (2), and this connecting seat (3) are kept away from support arm (2) one side is arc semicircular structure, just connecting seat (3) middle part is vertical to run through has circular shaft hole (301).
4. A new lifting arm for a tractor according to claim 1, characterised in that: the support arm is characterized in that weight reduction grooves (202) are formed in the upper side and the lower side of the support arm (2), accommodating holes (203) are formed in the middle of the weight reduction grooves (202) on the support arm (2), the accommodating holes (203) are rectangular square holes, and the length and the width of each accommodating hole (203) are 10 cm.
5. A new lifting arm for a tractor according to claim 4 characterised in that: the bearing assembly (5) comprises a positioning barrel (501) arranged below the support arm (2), the positioning barrel (501) is close to one end of the traction barrel (1) and is provided with a hinged frame (501a), the positioning barrel (501) is hinged to the traction barrel (1) through the hinged frame (501a), the positioning barrel (501) is far away from a screw rod (502) arranged inside one end of the hinged frame (501a), and the screw rod (502) is in threaded fit with the positioning barrel (501).
6. A new lifting arm for a tractor according to claim 5, characterised in that: the utility model discloses a supporting arm, including screw rod (502), screw rod (502) middle part outside is provided with installation section of thick bamboo (503), screw rod (502) with installation section of thick bamboo (503) normal running fit, and this installation section of thick bamboo (503) outside is provided with and bears pressure frame (505), should bear pressure frame (505) middle part vertical rotation be provided with the pivot, this pivot with installation section of thick bamboo (503) outer wall welded fastening, just bear pressure frame (505) be fixed in support arm (2) below, screw rod (502) are kept away from a location section of thick bamboo (501) one end and are extended to holding hole (203) below and be fixed with discoid knob (504).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023070156.7U CN213907391U (en) | 2020-12-18 | 2020-12-18 | Novel lifting arm for tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023070156.7U CN213907391U (en) | 2020-12-18 | 2020-12-18 | Novel lifting arm for tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213907391U true CN213907391U (en) | 2021-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023070156.7U Active CN213907391U (en) | 2020-12-18 | 2020-12-18 | Novel lifting arm for tractor |
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| Country | Link |
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| CN (1) | CN213907391U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113875329A (en) * | 2021-09-29 | 2022-01-04 | 安徽舒州生态农业科技有限责任公司 | Intelligent paddy field wheel type laser leveling tractor and working method thereof |
-
2020
- 2020-12-18 CN CN202023070156.7U patent/CN213907391U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113875329A (en) * | 2021-09-29 | 2022-01-04 | 安徽舒州生态农业科技有限责任公司 | Intelligent paddy field wheel type laser leveling tractor and working method thereof |
| CN113875329B (en) * | 2021-09-29 | 2022-06-07 | 安徽舒州生态农业科技股份有限公司 | Intelligent paddy field wheel type laser leveling tractor and working method thereof |
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