CN214999773U

CN214999773U - Vibration damper for tractor connecting valve and agricultural machine

Info

Publication number: CN214999773U
Application number: CN202120871963.4U
Authority: CN
Inventors: 徐文龙; 王强强; 王义田; 邓鹏�; 陈涛; 罗宁
Original assignee: Guangdong Haoyun Technology Co Ltd
Current assignee: Guangdong Haoyun Technology Co Ltd
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2021-12-03
Anticipated expiration: 2031-04-26

Abstract

The application provides damping device for tractor connecting valve, including base, horizontal pole, side lever, buffering piece group, junction valve backup pad and elastic element, the base is used for being connected with the tractor frame, the horizontal pole is located the base downside, just the horizontal pole middle part with the base pin joint, the both ends of horizontal pole are equipped with respectively the side lever, just the side lever tip with the horizontal pole pin joint mutually, the buffering piece group is located the one end upside of side lever is used for contacting with the tractor frame, the junction valve backup pad is located the other end top of side lever is used for linking to each other with the tractor frame, elastic element locates the side lever with between the junction valve backup pad. This damping device for tractor coupling valve is through setting up elastic element between coupling valve backup pad and curb plate to and be equipped with the buffer block group that can contact with the tractor frame on the side lever, can effectively improve the job stabilization nature when the coupling valve receives the impact, increase of service life in the tractor working process.

Description

Vibration damper for tractor connecting valve and agricultural machine

Technical Field

The application relates to the field of mechanical equipment, in particular to a vibration damper for a tractor connecting valve and agricultural machinery.

Background

In the field operation machinery, except a few self-propelled machines and special machines, other agricultural machines which are formed by hitching agricultural implements by a tractor are almost adopted for operation, and the tractor and the agricultural implements can be separated when not needed, so that the utilization rate of the tractor can be greatly improved, and the tractor can be hitched with different agricultural implements to operate under different working conditions.

In order to meet the requirements of hitching an agricultural implement, the tractor has a connection valve for quick docking with an agricultural implement pipeline. Among the prior art, agricultural machine is when carrying out agricultural operation, because uneven ground can make agricultural implement produce the vibration to lead to the connecting valve to receive the impact easily, and after strikeing many times, the connection reliability of connecting valve can have the defect, seriously influences the life of connecting valve, and simultaneously, hydraulic interface can the oil leak come out, influences ecological environment.

Disclosure of Invention

In order to prolong the service life of a connecting valve in agricultural machinery and improve the use reliability of the connecting valve, the application provides a vibration damping device for a tractor connecting valve, and correspondingly provides the agricultural machinery applying the vibration damping device.

The application is realized by the following technical scheme:

damping device for tractor connecting valve, including base, horizontal pole, side lever, buffering piece group, junction valve backup pad and elastic element, the base is used for being connected with the tractor frame, the horizontal pole is located the base downside, just the horizontal pole middle part with the base pin joint, the both ends of horizontal pole are equipped with respectively the side lever, just the side lever tip with the horizontal pole pin joint mutually, the buffering piece group is located the one end upside of side lever is used for contacting with the tractor frame, the junction valve backup pad is located the other end top of side lever is used for linking to each other with the tractor frame, elastic element locates the side lever with between the junction valve backup pad.

The vibration damper for the tractor connecting valve further comprises two tension springs, wherein the two tension springs are connected between the base and the cross rod, and are symmetrically arranged relative to the pivot connection part of the cross rod and the base.

The damping device for the tractor connecting valve comprises a first flexible block body and a second flexible block body, wherein the first flexible block body and the second flexible block body are arranged in a stacked mode, the first flexible block body is connected with the side rod, and the second flexible block body is abutted to the upper side of the first flexible block body and is used for being connected with a tractor frame.

According to the damping device for the tractor connecting valve, one of the first flexible block body and the second flexible block body is provided with the buffering protrusion, and the other one of the first flexible block body and the second flexible block body is provided with the buffering hole which is matched and spliced with the buffering protrusion.

According to the damping device for the tractor connecting valve, the base comprises the base plate and the vertical plate, the base plate is used for being connected with the tractor frame, the vertical plate is arranged on the lower side of the base plate, the vertical plate is provided with the vertical plate pivot joint groove, and the cross rod is pivoted in the vertical plate pivot joint groove.

According to the damping device for the tractor connecting valve, one end of the side rod, corresponding to the connecting valve supporting plate, is provided with a side plate, and the side plate is provided with a side plate hole for accommodating the elastic element.

The vibration damper for the tractor connecting valve is characterized in that a first lug plate used for being connected with the tension spring is arranged on the lower side of the base, and a second lug plate used for being connected with the tension spring is arranged on the cross rod.

According to the damping device for the tractor connecting valve, the two ends of the cross rod are provided with the cross rod pivoting grooves which are pivoted with the side rods.

The vibration damper for the tractor connecting valve is characterized in that the elastic element is a spring.

The application also discloses agricultural machinery, including the tractor, be equipped with on the tractor as above the damping device for tractor coupling valve.

Compared with the prior art, the method has the following advantages:

1. this damping device for tractor coupling valve is through setting up elastic element between coupling valve backup pad and curb plate to and be equipped with the buffer block group that can contact with the tractor frame on the side lever, can effectively improve the job stabilization nature when the coupling valve receives the impact, increase of service life in the tractor working process.

2. In the damping device for the tractor connecting valve, the base is pivoted with the middle part of the cross rod, the pivoting part of the base and the cross rod is equivalent to a fulcrum of a scale beam, the two side rods are similar to scale plates in a balance, manual adjustment is not needed, the stress of the two side rods can be self-balanced, and compared with rigid connection, the damping device has better adaptability and reliability.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural view of a shock absorber for a tractor connection valve mounted on a tractor.

Fig. 2 is a schematic structural view of the damping device for the tractor connecting valve.

Fig. 3 is a schematic exploded view of fig. 2.

Fig. 4 is a schematic view of a first flexible mass of fig. 2.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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 agricultural machine shown in fig. 1 comprises a tractor 9, and the tractor 9 is provided with a damping device for a tractor connecting valve shown in fig. 2 and 3. The shock-absorbing device for the tractor connecting valve comprises a base 1, a cross rod 2, a side rod 3, a buffer block group 4, a connecting valve supporting plate 5 and an elastic element 6. Base 1 is used for being connected with the tractor frame, horizontal pole 2 is located 1 downside of base, just 2 middle parts of horizontal pole with 1 pin joint of base, specifically, for convenient base 1 links to each other with horizontal pole 2, base 1 includes bed plate 11 and riser 12, bed plate 11 is used for being connected with the tractor frame, riser 12 is located 11 downside of bed plate, be equipped with riser pin joint groove 13 on the

riser

12, 2 pin joints of horizontal pole in riser pin joint inslot 13. The two ends of the cross rod 2 are respectively provided with the side rods 3, the end parts of the side rods 3 are pivoted with the cross rod 2, and specifically, for the convenience of mounting the cross rod and the side rods, the two ends of the cross rod 2 are provided with cross rod pivoting grooves 22 pivoted with the side rods 3. Buffer block group 4 is located the one end upside of side lever 3 is used for contacting with the tractor frame, connecting valve backup pad 5 is located the other end top of side lever 3 is used for linking to each other with the tractor frame, for the convenience install the connecting valve on connecting valve backup pad 5, connecting valve backup pad 5 is L shape. The elastic element 6 is disposed between the side lever 3 and the connecting valve supporting plate 5, and specifically, in order to facilitate mounting the elastic element 6 on the side lever 3, a side plate 31 is disposed at an end of the side lever 3 corresponding to the connecting valve supporting plate 5, a side plate opening 32 for accommodating the elastic element 6 is disposed on the side plate 31, and the elastic element 6 may be a spring. This damping device for tractor coupling valve sets up elastic element 6 through setting up between coupling valve backup pad 5 and curb plate 31 to and be equipped with the buffer block group 4 that can contact with the tractor frame on side lever 3, can effectively improve the job stabilization nature when the coupling valve receives the impact, increase of service life in the tractor working process. In addition,

base

1 and 2 middle part pin joints of horizontal pole, and

base

1 and 2 pin joint portions of horizontal pole are equivalent to the fulcrum of a weighing beam, and both sides pole is similar to the pan of a balance in, and need not artifical adjustment, and the atress ability self-balancing of both sides pole 3 compares with rigid connection, has better adaptability and reliability.

Further, in order to improve the self-balancing performance of the cross rod, the vibration damping device for the tractor connecting valve further comprises two tension springs 7, the two tension springs 7 are connected between the base 1 and the cross rod 2, and the two tension springs 7 are symmetrically arranged about the pivot joint parts of the cross rod 2 and the base 1, namely, about the vertical plate pivot joint groove 13. Specifically, for the convenience of installing the extension spring, base 1 downside is equipped with be used for with the first otic placode 14 that extension spring 7 links to each other, be equipped with on the horizontal pole 2 be used for with the second otic placode 21 that extension spring 7 links to each other.

Further, in order to effectively inhibit the elastic element 6 from generating large deformation, the buffer block set 4 comprises a first flexible block 41 and a second flexible block 42 which are arranged in a stacked manner, the first flexible block 41 is connected with the side rod 3, and the second flexible block 42 abuts against the upper side of the first flexible block 41 and is used for being connected with a tractor frame. Specifically, first flexible block 41 is the nylon piece, second flexible block 42 is the rubber block, and the nylon piece passes through the screw and links to each other with side lever 3, and the rubber block passes through the screw and links to each other with the tractor frame. When agricultural machinery receives the impact in the agricultural machinery operation process, can make elastic element 6 between connecting valve backup pad 5 and the curb plate 31 produce elastic deformation in order to cushion the impact load that the connecting valve received, impact load also passes to nylon piece and block rubber simultaneously, makes nylon piece and block rubber produce the deformation, further cushions the impact that the connecting valve received, has also reduced elastic element 6's impact load, effectively restraines elastic element 6 and produces great deformation.

In order to further improve the buffering effect between the first flexible block 41 and the second flexible block 42 and absorb the impact force more strongly, as shown in fig. 4, one of the first flexible block 41 and the second flexible block 42 is provided with a buffering protrusion 8, and the other is provided with a buffering hole in fit and plug-in connection with the buffering protrusion 8.

The working principle of the embodiment is as follows:

referring to fig. 1, in a specific use, the damper device for the tractor connecting valve of the present embodiment is installed on a tractor, specifically, the base 1, the connecting valve support plate 5 and the second flexible block 42 are connected to a tractor frame, the connecting valve 91 on the tractor 9 is disposed on the connecting valve support plate 5 in the damper device for the tractor connecting valve of the present embodiment, the connecting valve support plate 5 is connected to a connecting plate 92 on the tractor through screws, a rubber pad 93 is disposed between the connecting plate 92 and the connecting valve support plate 5, the connecting plate 92 is fixedly connected to the tractor frame and disposed below a PTO shaft 94, and the base 1 is disposed on a bottom surface of the tractor frame. When the tractor is impacted in the running process, the elastic element 6 between the connecting valve supporting plate 5 and the side rod 3 generates elastic force, the first flexible block 41 and the second flexible block 42 on the side rod 3 are abutted to inhibit the elastic element 6 from generating large deformation, meanwhile, the impact force transmitted to the first flexible block 41 and the second flexible block 42 is converted into the deformation of the first flexible block 41 and the second flexible block 42, the vibration of the connecting valve 91 can be effectively relieved, and meanwhile, the second flexible block 42 can move downwards by screwing the screw on the second flexible block 42, so that the elastic element between the connecting valve supporting plate 5 and the side plate 31 of the side rod 3 is compressed and reliably. Because the cross rod 2 is connected with the base 1 through two tension springs 7 which are symmetrical on two sides, when the side rods 3 on two sides are stressed, the left-right swinging amplitude of the side rods 3 on two sides is reduced under the action of elasticity, the self-adaptive balance is realized, and the overlarge vibration caused by the overlarge unbalance of the stress on one side is further reduced.

In summary, the present embodiment has and is not limited to the following beneficial effects:

It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention. Furthermore, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the principle of the present invention, and these modifications and variations are also considered as the protection scope of the present invention.

Claims

1. The damping device for the tractor connecting valve is characterized by comprising a base (1), a cross rod (2), side rods (3), a buffer block group (4), a connecting valve supporting plate (5) and an elastic element (6), the base (1) is used for being connected with a tractor frame, the cross rod (2) is arranged at the lower side of the base (1), the middle part of the cross rod (2) is pivoted with the base (1), the two ends of the cross rod (2) are respectively provided with the side rods (3), the end parts of the side rods (3) are pivoted with the cross rod (2), the buffer block group (4) is arranged on the upper side of one end of each side rod (3) and is used for contacting with a tractor frame, the connecting valve supporting plate (5) is arranged above the other end of the side lever (3) and is connected with a tractor frame, the elastic element (6) is arranged between the side rod (3) and the connecting valve supporting plate (5).

2. The shock absorbing device for the connecting valve of the tractor as defined in claim 1, further comprising two tension springs (7), wherein the two tension springs (7) are connected between the base (1) and the cross rod (2), and the two tension springs (7) are symmetrically arranged about the pivoting portion of the cross rod (2) and the base (1).

3. Damping device for tractor connection valves according to claim 1, characterized in that said damping block group (4) comprises a first flexible block (41) and a second flexible block (42) arranged one above the other, said first flexible block (41) being connected to said side bars (3), said second flexible block (42) abutting on the upper side of said first flexible block (41) for connection to the tractor frame.

4. The damping device for tractor junction valves according to claim 3, characterized in that one of said first flexible block (41) and said second flexible block (42) is provided with a damping projection (8), and the other is provided with a damping hole fitted with said damping projection (8).

5. The shock absorption device for the tractor connecting valve according to claim 1, wherein the base (1) comprises a base plate (11) and a vertical plate (12), the base plate (11) is used for connecting with a tractor frame, the vertical plate (12) is arranged on the lower side of the base plate (11), a vertical plate pivoting groove (13) is formed in the vertical plate (12), and the cross rod (2) is pivoted in the vertical plate pivoting groove (13).

6. Damping device for tractor connection valves according to claim 1, characterized in that the side lever (3) is provided with a side plate (31) at the end corresponding to the connection valve support plate (5), said side plate (31) being provided with a side plate opening (32) for receiving the elastic element (6).

7. The shock absorber for the tractor connecting valve according to claim 2, wherein a first lug plate (14) used for being connected with the tension spring (7) is arranged on the lower side of the base (1), and a second lug plate (21) used for being connected with the tension spring (7) is arranged on the cross rod (2).

8. Damping device for tractor connection valves according to claim 1, characterized in that the cross bar (2) is provided at both ends with cross bar pivoting grooves (22) pivoted to the side bars (3).

9. Damping device for tractor connection valves according to claim 1, characterized in that said elastic element (6) is a spring.

10. Agricultural machine comprising a tractor (9), characterized in that said tractor (9) is provided with a damping device for tractor connection valves according to any one of claims 1 to 9.