CN210275047U - Agricultural machinery is with pulling coupling mechanism - Google Patents
Agricultural machinery is with pulling coupling mechanism Download PDFInfo
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- CN210275047U CN210275047U CN201920532644.3U CN201920532644U CN210275047U CN 210275047 U CN210275047 U CN 210275047U CN 201920532644 U CN201920532644 U CN 201920532644U CN 210275047 U CN210275047 U CN 210275047U
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- hanging
- towing
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Abstract
The utility model discloses an agricultural machinery is with pulling coupling mechanism, through addding vertical curb plate in the side of walking case, the mounting means that will drag the body of hanging and walking case is connected to change flat normal direction into by splint, the horizontal shearing force that makes connecting bolt originally bear changes into and only bears axial tension, the not hard up moment of rotatory moment effect on the bolt nut simultaneously also thoroughly eliminates, can reduce the bolt diameter under bearing the same load condition, the easy not hard up problem of bolt also obtains radically treating, can show simultaneously and reduce vertical muscle plate thickness, effectively avoid because the casting process limitation leads to various problems, the reliability at walking case and the body coupling position that drags has been improved, show the life who has improved the walking case and drags the body of hanging.
Description
Technical Field
The utility model relates to a draw coupling mechanism, concretely relates to be applied to if draw coupling mechanism of ploughing machine, small-size agricultural machinery such as rural area supervisor a little.
Background
The trailer is a functional part of the mini-tiller, is generally arranged on a walking box of the mini-tiller and is used for hanging a connecting frame and other functional accessories. The existing connection mode of the towing and hanging body and the walking box is shown in figure 1, a thickened rib plate is arranged on the longitudinal central plane of the walking box, a left connecting plate and a right connecting plate which are fixedly connected are arranged on the towing and hanging body, the left connecting plate and the right connecting plate form a U-shaped groove, and the towing and hanging body is clamped on the rib plate of the walking box through the U-shaped groove and then connected through a bolt. Chinese patents CN202145731U, CN204180493U, CN207011233U and the like are all adopted.
The stress of the towing body during working is shown in figure 1, the towing body can be under the action of a pulling force F and a rotating moment M during working, the pulling force F and the bending moment M enable the bolt to bear the transverse shearing action, and meanwhile, the bolt can be loosened in a short time under the combined action of the rotating moment M and the shaking of the mini-tiller during ploughing, so that the towing body is loosened, and the box body, the bolt and the towing body are abnormally abraded, deformed, broken and broken. In order to solve the problem, the existing method is to thicken a rib plate on a walking box, increase the diameter of a bolt and increase the tightening torque of the bolt during the assembly in a factory, and the measure is not good from the aspects of stress analysis and actual use effect, so that the problem cannot be solved fundamentally. After the rib plate of the walking box is thickened, the thickened part is easy to have the defects of shrinkage porosity, air holes and the like due to the limitation of a casting process, so that the problems of strength reduction of the box body and oil leakage are caused.
Therefore, how to improve the micro-cultivator pulling and hanging connecting mechanism in the prior art, change the stress mode of the bolt and the pulling and hanging body, thoroughly and radically solve the problem of bolt looseness, ensure that the wall thickness of the box body is uniform and consistent, and have the advantages of simple structure, small cost change, convenient assembly and maintenance and high reliability, thus being a problem to be solved by technical personnel in the field.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide a pull coupling mechanism, its simple structure, assembly and easy maintenance, the reliability is high, according to the atress direction of the atress mode adjusting bolt of the pull body, makes bolt and pull body only bear axial tension, no longer bears horizontal shearing force, thoroughly solves the easy not hard up problem of bolt.
In order to solve the technical problem, the agricultural machinery towing connecting mechanism comprises a walking box and a towing body, wherein the walking box consists of an upper flat plate positioned above, a horizontal cylinder positioned below and a middle cylinder which is fixedly connected between the upper flat plate and the horizontal cylinder and is vertically arranged; one side of the towing and hanging body is provided with a longitudinal connecting plate, the other side of the towing and hanging body is provided with an external hanging frame, and a transverse connecting plate is fixedly arranged between the longitudinal connecting plate and the external hanging frame; the longitudinal connecting plate of the towing and hanging body is arranged on the longitudinal side plate of the walking box through a fastener.
Furthermore, a longitudinal rib plate is fixedly arranged on one side of the middle cylinder body of the walking box, a longitudinal side plate is fixedly arranged on the outer edge of the longitudinal rib plate, the upper edge of the longitudinal side plate is connected with an upper flat plate above the walking box, and the longitudinal side plate, the upper flat plate and the longitudinal rib plate are arranged in a mutually perpendicular mode.
Furthermore, transverse reinforcing ribs are fixedly arranged between the inner side face of the longitudinal side plate of the walking box and the longitudinal rib plate and between the inner side face of the longitudinal side plate of the walking box and the middle cylinder body, so that the strength of the longitudinal side plate bearing all-directional pulling force and bending moment is improved, the longitudinal side plate is prevented from being broken or cracked, and the number of the transverse reinforcing ribs is determined according to the structure.
Furthermore, through holes are formed in the longitudinal side plates of the walking box, and the through holes and the transverse reinforcing ribs are arranged in a staggered mode.
Furthermore, the transverse connecting plate of the towing and hanging body is divided into an upper transverse plate and a lower transverse plate, a reinforcing rib plate is arranged between the upper transverse plate and the lower transverse plate, and the reinforcing rib plate is fixedly connected with the longitudinal connecting plate, the upper transverse plate, the lower transverse plate and the outer hanging rack.
Furthermore, the longitudinal connecting plate of the towing and hanging body is provided with through holes which are arranged with the upper transverse plate, the lower transverse plate and the reinforcing rib plate in a staggered way.
Furthermore, the longitudinal connecting plate of the towing and hanging body is arranged on the longitudinal side plate of the walking box through bolts and nuts.
Compared with the prior art, the utility model following advantage has: the utility model discloses an agricultural machinery drags coupling mechanism, add vertical curb plate through the side at the walking case, the mounting means that will drag the body of hanging and walking case is connected to change into dull and stereotyped normal direction by splint and is connected, the horizontal shearing force that makes connecting bolt originally bear changes into and only bears axial tension, the not hard up moment of rotatory moment effect on the bolt nut simultaneously also thoroughly eliminates, can reduce the bolt diameter under bearing the same load condition, the easy not hard up problem of bolt also obtains radically treating, can show simultaneously and reduce vertical muscle plate thickness, effectively avoid because the various problems that casting process limitation leads to, the reliability at walking case and the body coupling position that drags has been improved, show the life who has improved the walking case and drags the body of hanging.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required 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 only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained by providing the drawings without creative efforts.
FIG. 1 is a schematic view of a connection mode between a walking box and a trailer in the prior art;
FIG. 2 is a schematic view of a towing connection mechanism for agricultural machinery of the present invention;
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.
Please refer to fig. 2, fig. 2 is a schematic view of a hitch connecting mechanism for an agricultural machine according to the present invention.
As shown in the figures, the agricultural machinery towing connecting mechanism of the embodiment comprises a walking box 1 and a towing body 2, wherein the walking box 1 is composed of an upper flat plate 1a positioned above, a transverse cylinder 1c positioned below and a middle cylinder 1b which is fixedly connected between the upper flat plate and the transverse cylinder and is vertically arranged; one side of the towing and hanging body is provided with a longitudinal connecting plate 2a, the other side is provided with an external hanging rack 2c, and a transverse connecting plate 2b is fixedly arranged between the longitudinal connecting plate and the external hanging rack;
in the embodiment, a longitudinal rib plate 1b1 is fixedly arranged on one side of a middle cylinder 1b of the walking box 1, the longitudinal rib plate 1b1 is simultaneously connected with an upper flat plate 1a above the walking box and a horizontal cylinder 1c below the walking box, a longitudinal side plate 1b2 is fixedly arranged on the outer edge of a longitudinal rib plate 1b1, the upper edge of the longitudinal side plate 1b2 is connected with the upper flat plate 1a above the walking box, and the longitudinal side plate 1b2 is vertically arranged with the upper flat plate 1a and the longitudinal rib plate 1b 1;
in this embodiment, two transverse reinforcing ribs 1b3 are fixedly arranged between the inner side surface of the longitudinal side plate 1b2 of the walking box 1 and the longitudinal rib plate 1b1 and the middle cylinder 1b, and the transverse reinforcing ribs 1b3 can greatly improve the strength of the longitudinal side plate 1b2 for bearing all directions of pulling force and bending moment, so as to ensure that the longitudinal side plate 1b2 is not broken or cracked.
In this embodiment, 4 through holes are formed in the outer surface of the longitudinal side plate 1b2 of the walking box 1, and the through holes are arranged in a grid space formed by the longitudinal side plate 1b2, the longitudinal rib plate 1b1 and the transverse reinforcing rib 1b3, so that interference with nuts is avoided.
In this embodiment, the transverse connecting plate 2b of the towing and hanging body 2 is divided into an upper transverse plate 2b1 and a lower transverse plate 2b2, a reinforcing rib plate 2b3 is arranged between the upper transverse plate and the lower transverse plate, and the reinforcing rib plate 2b3 is fixedly connected with the longitudinal connecting plate 2a, the upper transverse plate 2b1, the lower transverse plate 2b2 and the outer hanging rack 2 c.
In this embodiment, the outer side surface of the longitudinal connecting plate 2a of the towing body 1 is provided with a through hole, and the through hole is arranged in a grid space formed by the upper transverse plate 2b1, the lower transverse plate 2b2 and the reinforcing rib plate 2b3, so as to ensure that no interference with the bolt occurs.
In this embodiment, the outer hanger 2c of the towing and hanging body 1 is a U-shaped plate structure, through holes are formed in the upper and lower plates of the U-shaped plate, and the external hanging member is mounted in a U-shaped groove of the U-shaped plate and then fixed by a pin.
In this embodiment, the longitudinal connecting plate 2a of the towing and hanging body 1 is attached to the longitudinal side plate 1b2 of the traveling box 1 by a bolt 3 and a nut 4.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, and the principles and embodiments of the present invention have been explained herein using specific examples, and the descriptions of the above embodiments are only used to help understand the methods and core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (5)
1. The utility model provides an agricultural machinery is with dragging coupling mechanism, includes walking case and drags the body of hanging, the walking case comprises the last flat board that is located the top, the horizontal barrel that is located the below and the well barrel that is located vertical arrangement between flat board and the horizontal barrel, its characterized in that: a longitudinal rib plate is fixedly arranged on one side of the middle cylinder body of the walking box, and a longitudinal side plate is fixedly arranged on the outer edge of the longitudinal rib plate; one side of the towing and hanging body is provided with a longitudinal connecting plate, the other side of the towing and hanging body is provided with an external hanging frame, and a transverse connecting plate is fixedly arranged between the longitudinal connecting plate and the external hanging frame; the longitudinal connecting plate of the towing and hanging body is arranged on the longitudinal side plate of the walking box through a fastener.
2. The agricultural machine hitch-connecting mechanism as claimed in claim 1, wherein: the upper edge of the longitudinal side plate of the walking box is connected with the upper flat plate above the walking box, and the longitudinal side plate, the upper flat plate and the longitudinal rib plate are arranged in a mutually perpendicular mode.
3. A hitch coupler mechanism for an agricultural machine, as claimed in claim 1 or claim 2, wherein: and transverse reinforcing ribs are fixedly arranged between the inner side surface of the longitudinal side plate of the walking box and the longitudinal rib plate and between the inner side surface of the longitudinal side plate of the walking box and the middle cylinder body.
4. The agricultural machine hitch-connecting mechanism as claimed in claim 1, wherein: the transverse connecting plate of the towing and hanging body is divided into an upper transverse plate and a lower transverse plate.
5. The agricultural machine hitch-connecting mechanism as claimed in claim 4, wherein: and a reinforcing rib plate is arranged between the upper transverse plate and the lower transverse plate of the towing and hanging body and is fixedly connected with the longitudinal connecting plate, the upper transverse plate, the lower transverse plate and the outer hanging rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920532644.3U CN210275047U (en) | 2019-04-12 | 2019-04-12 | Agricultural machinery is with pulling coupling mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920532644.3U CN210275047U (en) | 2019-04-12 | 2019-04-12 | Agricultural machinery is with pulling coupling mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210275047U true CN210275047U (en) | 2020-04-10 |
Family
ID=70067802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920532644.3U Expired - Fee Related CN210275047U (en) | 2019-04-12 | 2019-04-12 | Agricultural machinery is with pulling coupling mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210275047U (en) |
-
2019
- 2019-04-12 CN CN201920532644.3U patent/CN210275047U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200410 |
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| CF01 | Termination of patent right due to non-payment of annual fee |