CN113711721A

CN113711721A - Single-beam type suspension device of driving farm tool

Info

Publication number: CN113711721A
Application number: CN202110956145.9A
Authority: CN
Inventors: 蒋秀华
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-19
Filing date: 2021-08-19
Publication date: 2021-11-30

Abstract

The invention discloses a single-beam type suspension device of a driving type agricultural implement, and relates to the field of agricultural machinery. According to the invention, through the arrangement of the damping spring and the damping steel plate group, a damping and buffering effect can be achieved when the agricultural implement works, the impact on the connecting part is prevented, a protection effect is achieved, the suspension device can be conveniently fixed on different bearing vehicle bodies through the arrangement of the fixing part, the application range is improved, the rapid installation and fixation can be realized, the fixing effect is good, the threaded column can be conveniently installed and detached through the arrangement of the replacing part, and the practicability of the device is improved.

Description

Single-beam type suspension device of driving farm tool

Technical Field

The invention relates to the field of agricultural machinery, in particular to a single-beam type suspension device of a driving type agricultural implement.

Background

The vehicle suspension device, commonly referred to as an axle, is connected to a vehicle frame or a vehicle body via a suspension, and has wheels mounted at both ends. The axle is used for bearing the load of the automobile and maintaining the normal running of the automobile on the road. Depending on the driving mode, the axle is also divided into a steering axle, a drive axle, etc.

Its junction of current many agricultural implement linkage lacks damper, thereby carry out the easy vibrations that take place to cause the striking to the junction at agricultural implement, can influence the structure of agricultural implement after long-time the use, and its tie point of current agricultural implement linkage is most all fixed, can't be applicable to not bear the automobile body, also convenient quick installation and dismantlement, the threaded post of tire mounting disc all is welded fastening on the axle simultaneously, when the threaded post receives the damage, need weld whole tire mounting disc even of need changing again, therefore, the practicality is relatively poor, for this reason, this application discloses a single-beam formula linkage of driving agricultural implement and satisfies people's demand.

Disclosure of Invention

An object of the present application is to provide a single beam type suspension device for a driving type agricultural implement to solve the problems presented in the background art described above.

In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a monospar formula linkage of driving agricultural implement, include the beam axis, install in epaxial differential driver of beam and two tire mounting discs, install in butt joint drive block and a plurality of screw thread post on the tire mounting disc, the top of beam axis has a plurality of hollow sleeve, and is a plurality of through the even fixed mounting of a plurality of spring holders equal slidable mounting has flexible post, and is a plurality of in the hollow sleeve the top fixed mounting of flexible post has same crossbeam, and is a plurality of all the cover is equipped with damping spring, and is a plurality of damping spring's both ends respectively fixed mounting be a plurality of the top of spring holder with on the bottom of crossbeam, install the fixed part of being convenient for fix on different automobile bodies on the crossbeam, two all install on the tire mounting disc and be convenient for change the change portion of screw thread post.

Borrow by above-mentioned structure, through damping spring's setting, can tentatively play the shock attenuation cushioning effect, prevent to cause the striking to the junction, reached the effect of protection, through the setting of fixed part, can be convenient for fix this linkage on the different bears the weight of the automobile body, improved application scope, and can realize installing fast fixedly, fixed effectual, through the setting of change portion, can be convenient for realize the installation and dismantle to the screw thread post, improved the practicality of device.

Preferably, the fixing portion comprises a T-shaped moving groove formed in the top of the cross beam, a positive and negative threaded lead screw is rotatably mounted on the inner wall of one side of the T-shaped moving groove, two T-shaped moving blocks are slidably mounted in the T-shaped moving groove, the T-shaped moving blocks are sleeved on the positive and negative threaded lead screw in a threaded manner, a mounting sleeve is fixedly mounted at the top of each T-shaped moving block, an adjusting knob is fixedly mounted outside the cross beam, and a quick-connection assembly is mounted on each mounting sleeve.

Further, through the setting of fixed part, when rotating adjust knob, can drive two installation sleeves through positive and negative tooth lead screw and two T shape movable blocks and move in opposite directions or back to back of the body mutually to adjustable two installation sleeve's position, so that this linkage can fix on the different car body that bears, improved this linkage's application scope.

Preferably, the connect the subassembly soon including setting up a plurality of fixing bolt of installation sleeve lateral part, another lateral part of installation sleeve rotates and installs a plurality of internal thread cover, and is a plurality of fixing bolt's one end all runs through the installation sleeve and respectively the screw cup joints in a plurality of in the internal thread cover, it is a plurality of all the fixed cover has cup jointed the linkage gear on the internal thread cover, and is a plurality of the linkage gear meshes mutually in proper order, one of them linkage gear's lateral part fixed mounting has the hexagonal to revolve the piece, and every two are adjacent the equal fixed mounting of fixing bolt's the other end has same gangbar, one of them install on the linkage gear and only change the unit.

Furthermore, through the setting of connecing the subassembly soon, when rotating the hexagonal and revolve the piece, can drive one of them linkage gear and internal thread cover and rotate, one of them linkage gear rotates and can drive all the other linkage gears synchronous rotation, and then can drive all the other internal thread covers synchronous rotation simultaneously to can once only realize the installation fixed, labour saving and time saving.

Preferably, the rotation stopping unit comprises a boss fixedly installed on the side portion of the installation sleeve, a moving rod is sleeved in the boss in a sliding mode, arc-shaped clamping teeth and a pull ring are fixedly installed at two ends of the moving rod respectively, and the arc-shaped clamping teeth are meshed with one of the linkage gears.

Further, through the setting of rotation stopping unit, can be fixed one of them linkage gear chucking, it takes place the rotation and leads to droing when preventing agricultural implement during operation, has improved the stability when this linkage installation is fixed.

Preferably, the movable rod is sleeved with a return spring, and two ends of the return spring are respectively and fixedly connected with the lug boss and the side part of the pull ring.

Furthermore, through the arrangement of the reset spring, when the pull ring is loosened, the arc-shaped latch is driven to reset automatically to clamp one of the linkage gears and keep a fixed state, so that the pull ring is convenient and labor-saving.

Preferably, change portion is including evenly seting up a plurality of double-screw bolt mounting grooves of tire mounting disc one side, and is a plurality of equal movable mounting has double-screw bolt installation piece, and is a plurality of in the double-screw bolt mounting groove the one end of screw thread post is fixed mounting respectively is a plurality of on the double-screw bolt installation piece, and is a plurality of T shape slot has all been seted up to the lateral part of double-screw bolt installation piece, the linkage chamber has been seted up in the tire mounting disc, evenly seted up a plurality of T shape spouts on the week side inner wall in linkage chamber, it is a plurality of equal slidable mounting has T shape cutting in the T shape spout, and is a plurality of same control assembly is installed to the one end that T shape cutting is close to each other, and is a plurality of the other end of T shape cutting is slidable mounting respectively in a plurality of the T shape slot.

Furthermore, through the arrangement of the replacing part, when the control assembly drives the T-shaped inserting strip to move, the position relation of the T-shaped inserting strip and the T-shaped inserting groove can be changed, and then the stud mounting block can be fixed or loosened, so that the purpose of disassembling and replacing the threaded column is achieved.

Preferably, the control assembly is including seting up the control flume of butt joint drive block lateral part, be provided with control knob in the control flume, control knob's lateral part fixed mounting has the bull stick, the one end of bull stick extends to linkage intracavity and fixed mounting have magnetism concave-convex disk, and are a plurality of the equal fixed mounting of one end that the T shape cutting is close to each other has the connecting rod, and is a plurality of the one end of connecting rod is all rotated and is installed the magnetism spin, and is a plurality of the magnetism spin all with the week side of magnetism concave-convex disk contacts, the last protection unit that installs of control knob.

Further, through control assembly's setting, when rotating control knob, can drive the unsmooth dish of magnetism through the bull stick and rotate, under the effect of magnetism spin, can drive connecting rod and T shape cutting outwards remove or inwards move, reach the purpose that the change screw thread post was dismantled in the control.

Preferably, the protection unit is including setting up the protective cover of butt joint drive block lateral part, the lateral part fixed mounting of protective cover has the cross fixture block, cross recess has been seted up to control knob's lateral part, the lateral part of cross fixture block extends to in the cross recess, another lateral part of protective cover is provided with a plurality of fastening bolt, and is a plurality of fastening bolt's one end all runs through protective cover and screw thread are installed in the butt joint drive block.

Furthermore, through the arrangement of the protection unit, the protection effect on the control knob can be achieved, the control knob can be prevented from rotating, and the stability of the control assembly is improved.

Preferably, four limiting frames are uniformly and fixedly mounted at the top of the beam shaft, one damping steel plate group is movably mounted in each two limiting frames, and the tops of the two damping steel plate groups are both in contact with the bottom of the beam.

Furthermore, through the arrangement of the damping steel plate group, when the agricultural implement works to generate vibration, the damping and buffering effects are further achieved, the connection part is better protected, and the influence on the structure of the agricultural implement is avoided.

In conclusion, the technical effects and advantages of the invention are as follows:

1. the adjustable suspension device is reasonable in structure, the adjusting knob can be rotated before installation and fixation, the adjusting knob rotates to drive the positive and negative screw rods to rotate, the positive and negative screw rods rotate to drive the two T-shaped moving blocks to move in the opposite direction or in the opposite direction, and then the two mounting sleeves can be driven to move in the opposite direction or in the opposite direction, so that the positions of the two mounting sleeves can be adjusted, the suspension device can be conveniently fixed on different bearing vehicle bodies, and the application range of the suspension device is improved;

2. when the device is installed and fixed, a worker can synchronously insert a plurality of fixing bolts, pull the pull ring and rotate the hexagonal rotary block by using a tool, the hexagonal rotary block can drive one of the linkage gears and the internal thread sleeve to rotate by rotating, one of the linkage gears can drive the other linkage gears to synchronously rotate by rotating, and further the other internal thread sleeves can be driven to synchronously rotate simultaneously, so that the device can be installed and fixed at one time, and is time-saving and labor-saving;

3. according to the invention, when the pull ring is pulled, the reset spring is stretched, the arc-shaped latch is driven to move through the moving rod, so that one linkage gear can be loosened, when the pull ring is loosened, the arc-shaped latch can be driven to automatically reset under the elastic action of the reset spring to clamp and fix one linkage gear, so that the agricultural implement is prevented from falling off due to autorotation during working, and the stability of the suspension device during installation and fixation is improved;

4. according to the invention, when the threaded column is damaged and needs to be replaced, a worker can firstly open the protective cover, so that the cross-shaped fixture block can be driven to be separated from the cross groove and the control knob can be loosened, then the control knob can be rotated, the magnetic concave-convex disc can be driven to rotate through the rotating rod by rotating the control knob, the connecting rod and the T-shaped inserting strip can be driven to move inwards under the action of the magnetic rolling ball, and then the stud mounting block and the threaded column can be loosened, so that the purpose of disassembly and replacement is realized, the practicability of the device is improved, and after the replacement is finished, the control knob is rotated reversely and the protective cover is fixed;

5. according to the shock-absorbing and buffering structure, when the agricultural implement works to generate shock, the beam shaft is driven to vibrate up and down through the tire mounting disc, the shock-absorbing spring and the shock-absorbing steel plate set can be elastically deformed when the beam shaft vibrates up and down, at the moment, the shock-absorbing and buffering effect can be effectively achieved under the reaction force of the shock-absorbing spring and the shock-absorbing steel plate set, the impact on the joint can be prevented, the protection effect is achieved, and the influence on the structure of the agricultural implement is avoided.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the present application;

FIG. 2 is a schematic perspective view of another embodiment of the present disclosure;

FIG. 3 is a schematic view of a partial front cross-sectional structure of an embodiment of the present application;

FIG. 4 is an enlarged schematic view of a matched three-dimensional structure of the T-shaped moving block, the mounting sleeve, the quick-connect assembly and the rotation stopping unit;

FIG. 5 is an enlarged view of the structure at A in FIG. 4;

FIG. 6 is a partially enlarged view of FIG. 1;

FIG. 7 is a schematic view of a partially cut-away enlarged perspective structure of the tire mounting plate;

FIG. 8 is a schematic view of a three-dimensional structure of a screw post, a stud mounting block, a T-shaped insert, a magnetic concave-convex disc and the like;

fig. 9 is a schematic view of a cut-away exploded perspective structure of the butt joint driving block.

In the figure: 1. a beam axle; 2. a differential drive; 3. a tire mounting plate; 4. butting the driving blocks; 5. a hollow sleeve; 6. a telescopic column; 7. a cross beam; 8. a damping spring; 9. a damping steel plate group; 10. a screw rod with positive and negative teeth; 11. a T-shaped moving block; 12. installing a sleeve; 13. adjusting a knob; 14. fixing the bolt; 15. an internal thread sleeve; 16. a linkage gear; 17. a hexagonal rotary block; 18. a boss; 19. a travel bar; 20. arc-shaped latch; 21. a pull ring; 22. a return spring; 23. a stud mounting block; 24. a threaded post; 25. t-shaped cuttings; 26. a control knob; 27. a rotating rod; 28. a magnetic concave-convex disk; 29. a connecting rod; 30. a protective cover; 31. a cross-shaped clamping block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): referring to fig. 1-9, a single beam type linkage of driving agricultural implement, including beam axle 1, install differential driver 2 and two tire mounting discs 3 on beam axle 1, install butt joint drive block 4 and a plurality of screw post 24 on tire mounting disc 3, there are a plurality of hollow sleeves 5 at the top of beam axle 1 through the even fixed mounting of a plurality of spring holders, equal slidable mounting has flexible post 6 in a plurality of hollow sleeves 5, the top fixed mounting of a plurality of flexible posts 6 has same crossbeam 7, all the cover is equipped with damping spring 8 on a plurality of hollow sleeves 5, the both ends of a plurality of damping spring 8 are fixed mounting respectively on the top of a plurality of spring holders and the bottom of crossbeam 7, install the fixed part of being convenient for fixing on different automobile bodies on the crossbeam 7, all install the change portion of being convenient for changing screw post 24 on two tire mounting discs 3.

Borrow by above-mentioned structure, through damping spring 8's setting, can tentatively play the shock attenuation cushioning effect, prevent to cause the striking to the junction, reached the effect of protection, through the setting of fixed part, can be convenient for fix this linkage on the different bears the weight of the automobile body, improved application scope, and can realize installing fast fixedly, fixed effectual, through the setting of change portion, can be convenient for realize the installation and dismantle to screw thread post 24, improved the practicality of device.

As a preferred implementation manner of this embodiment, referring to fig. 1, fig. 2 and fig. 3, the fixing portion includes a T-shaped moving groove formed in the top of the cross beam 7, a positive and negative lead screw 10 is rotatably mounted on an inner wall of one side of the T-shaped moving groove, two T-shaped moving blocks 11 are slidably mounted in the T-shaped moving groove, the two T-shaped moving blocks 11 are both screwed on the positive and negative lead screw 10, a mounting sleeve 12 is fixedly mounted on the top of each of the two T-shaped moving blocks 11, one end of the positive and negative lead screw 10 extends out of the cross beam 7 and is fixedly mounted with an adjusting knob 13, and a quick-connect assembly is mounted on each of the two mounting sleeves 12. The benefit that sets up like this is, when rotating adjusting knob 13, can drive two installation sleeves 12 through positive and negative tooth lead screw 10 and two T shape movable blocks 11 and move in opposite directions or back of the body mutually to adjustable two installation sleeves 12's position, so that this linkage can fix on the different car body that bears, improved this linkage's application scope.

In this embodiment, referring to fig. 1, fig. 2 and fig. 4, the quick-connecting assembly includes a plurality of fixing bolts 14 disposed at a side portion of the mounting sleeve 12, another side portion of the mounting sleeve 12 is rotatably mounted with a plurality of internal thread sleeves 15, one ends of the plurality of fixing bolts 14 all penetrate through the mounting sleeve 12 and are respectively sleeved in the plurality of internal thread sleeves 15 in a threaded manner, the plurality of internal thread sleeves 15 are all fixedly sleeved with a linkage gear 16, the plurality of linkage gears 16 are sequentially engaged with each other, a hexagonal rotary block 17 is fixedly mounted at a side portion of one linkage gear 16, the other end of each two adjacent fixing bolts 14 is fixedly mounted with the same linkage rod, and a rotation stopping unit is mounted on one linkage gear 16. The advantage that sets up like this is, when rotating hexagonal and revolve piece 17, can drive one of them linkage gear 16 and internal thread cover 15 and rotate, and one of them linkage gear 16 rotates and can drive all the other linkage gear 16 synchronous rotations, and then can drive all the other internal thread covers 15 synchronous rotations simultaneously to can once only realize the installation fixed, labour saving and time saving.

In the present embodiment, referring to fig. 4 and 5, the rotation stopping unit includes a boss 18 fixedly installed on a side portion of the installation sleeve 12, a moving rod 19 is slidably sleeved in the boss 18, an arc-shaped latch 20 and a pull ring 21 are respectively fixedly installed at two ends of the moving rod 19, and the arc-shaped latch 20 is engaged with one of the linkage gears 16. The advantage that sets up like this is, when removing pull ring 21, accessible movable rod 19 drives arc latch 20 and removes, and then can fix one of them linkage gear 16 chucking or loosen, prevents that it takes place the rotation and leads to droing when agricultural implement is worked, has improved the stability when this linkage installation is fixed.

In this embodiment, referring to fig. 5, a return spring 22 is sleeved on the moving rod 19, and two ends of the return spring 22 are fixedly connected with the side portions of the boss 18 and the pull ring 21, respectively. This has the advantage that when the pull ring 21 is released, the arc-shaped latch 20 is automatically reset under the elastic force of the return spring 22 to clamp and hold one of the linked gears 16 in a fixed state.

As a preferred embodiment of the present embodiment, referring to fig. 1, 6, 7 and 8, the replacement part includes a plurality of stud mounting grooves uniformly formed on one side of the tire mounting plate 3, and the number of stud mounting grooves may be three, four, five, six, etc., and in the present embodiment, six stud mounting grooves are formed in the tire mounting plate 3. Equal movable mounting has double-screw bolt installation piece 23 in a plurality of double-screw bolt mounting grooves, the one end difference fixed mounting of a plurality of screw thread posts 24 is on a plurality of double-screw bolt installation pieces 23, T shape slot has all been seted up to the lateral part of a plurality of double-screw bolt installation pieces 23, the linkage chamber has been seted up in the tire mounting disc 3, a plurality of T shape spouts have evenly been seted up on all side inner walls in linkage chamber, equal slidable mounting has T shape cutting 25 in a plurality of T shape spouts, same control assembly is installed to the one end that a plurality of T shape cutting 25 are close to each other, the other end difference slidable mounting of a plurality of T shape cutting 25 is in a plurality of T shape slots. The advantage that sets up like this is, when operation control assembly drove T shape cutting 25 and removes, can change the position relation of T shape cutting 25 and T shape slot, and then can fix or loosen double-screw bolt installation piece 23, realizes dismantling the purpose of changing to screw thread post 24, has improved the practicality of device.

In this embodiment, referring to fig. 7, fig. 8 and fig. 9, the control assembly includes the control groove of seting up at the butt joint drive block 4 lateral part, be provided with control knob 26 in the control groove, control knob 26's lateral part fixed mounting has a bull stick 27, the one end of bull stick 27 extends to the linkage intracavity and fixed mounting has magnetism concave-convex dish 28, the equal fixed mounting in one end that a plurality of T shape slips 25 are close to each other has connecting rod 29, the one end of a plurality of connecting rods 29 is all rotated and is installed the magnetism spin, a plurality of magnetism spin all contact with the week side of magnetism concave-convex dish 28, install the protection unit on the control knob 26. The advantage of this arrangement is that when the control knob 26 is rotated, the magnetic concave-convex disc 28 is driven to rotate by the rotating rod 27, and under the action of the magnetic rolling ball, the connecting rod 29 and the T-shaped insert 25 can be driven to move outwards or inwards, so as to achieve the purpose of controlling the removal and replacement of the threaded column 24.

In the present embodiment, referring to fig. 6, 7 and 9, the shielding unit includes a shielding cover 30 disposed at a side of the docking driving block 4, and the shielding cover 30 may be any one of metal covers in the related art, such as an iron cover. A cross clamping block 31 is fixedly mounted on the side portion of the protective cover 30, a cross groove is formed in the side portion of the control knob 26, the side portion of the cross clamping block 31 extends into the cross groove, a plurality of fastening bolts are arranged on the other side portion of the protective cover 30, and one ends of the fastening bolts penetrate through the protective cover 30 and are mounted in the butt joint driving block 4 in a threaded mode. The benefit that sets up like this can play protection fixed action to control knob 26, avoids agricultural implement during operation control knob 26 to take place the rotation, has improved control assembly's stability.

As a preferred embodiment of this embodiment, referring to fig. 1, 2 and 3, four limiting frames are uniformly and fixedly mounted on the top of the beam axle 1, a same damping steel plate group 9 is movably mounted in each two limiting frames, and the tops of the two damping steel plate groups 9 are both in contact with the bottom of the beam 7. The benefit that sets up like this is, when agricultural implement work produced vibrations, also can make shock attenuation steel sheet group 9 take place elastic deformation, can further play the shock attenuation cushioning effect, can be better play the guard action to the junction, avoid influencing the structure of agricultural implement.

The working principle of the invention is as follows:

before the installation is fixed, rotatable adjust knob 13, adjust knob 13 rotates and drives positive and negative tooth lead screw 10 and rotates, and positive and negative tooth lead screw 10 rotates and drives two T shape movable blocks 11 and move in opposite directions or back of the body mutually, and then can drive two installation sleeve 12 and move in opposite directions or back of the body mutually to adjustable two installation sleeve 12's position, so that this linkage can fix on the different car body that bears, improved this linkage's application scope.

When the installation and fixation are carried out, a worker can synchronously insert a plurality of fixing bolts 14, then pull the pull ring 21, the pull ring 21 moves to stretch the reset spring 22, the arc-shaped latch 20 is driven to move through the moving rod 19, one of the linkage gears 16 can be loosened, a tool can be used to rotate the hexagonal rotary block 17 at the moment, the hexagonal rotary block 17 rotates to drive one of the linkage gears 16 and the internal thread sleeve 15 to rotate, one of the linkage gears 16 rotates to drive the other linkage gears 16 to rotate synchronously, and then the other internal thread sleeves 15 can be driven to rotate synchronously, so that the installation and fixation can be realized at one time, time and labor are saved, the pull ring 21 is loosened after the fixation is finished, the arc-shaped latch 20 can be driven to reset automatically to clamp and fix one of the linkage gears 16 under the elastic force of the reset spring 22, and the agricultural implement is prevented from falling off due to autorotation when the agricultural implement works, the stability of this linkage installation when fixed is improved.

When threaded post 24 appears damaging and needs the change, the staff can open protective cover 30 at first, and then can drive cross fixture block 31 and break away from the cross recess and loosen control knob 26, rotatable control knob 26 this moment, control knob 26 rotates and can drive magnetism concave-convex disc 28 through bull stick 27 and rotate, under the effect of magnetism spin, can drive connecting rod 29 and T shape cutting 25 inward shift, and then can loosen double-screw bolt installation piece 23 and threaded post 24, realize dismantling the purpose of changing, after the change is accomplished, reverse rotation control knob 26 and fixed protective cover 30 can.

When agricultural implement work produced vibrations, can at first drive beam axle 1 through tire mounting disc 3 vibrations from top to bottom, can make damping spring 8 and shock attenuation steel sheet group 9 take place elastic deformation when the beam axle 1 shakes from top to bottom, under the reaction force of damping spring 8 and shock attenuation steel sheet group 9 this moment, can effectively play the shock attenuation cushioning effect, can prevent to cause the striking to the junction, reached the effect of protection, avoid producing the influence to the structure of agricultural implement.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A single beam suspension of driving agricultural implement, comprising a beam axle (1), a differential driver (2) and two tire mounting discs (3) mounted on the beam axle (1), a docking driving block (4) and a plurality of threaded columns (24) mounted on the tire mounting discs (3), characterized in that: the top of roof beam axle (1) has a plurality of hollow sleeve (5), a plurality of through the even fixed mounting of a plurality of spring holders equal slidable mounting has flexible post (6), a plurality of in hollow sleeve (5) the top fixed mounting of flexible post (6) has same crossbeam (7), and is a plurality of it is equipped with damping spring (8), a plurality of all to overlap on hollow sleeve (5) the both ends difference fixed mounting of damping spring (8) is a plurality of the top of spring holder with on the bottom of crossbeam (7), install on crossbeam (7) and be convenient for fix the fixed part on different automobile bodies, two all install on tire mounting disc (3) and be convenient for change the change portion of screw thread post (24).

2. The single beam suspension of an agricultural implement of claim 1, wherein: the fixing part is including seting up the T shape shifting chute at crossbeam (7) top, rotate on one side inner wall of T shape shifting chute and install positive and negative tooth lead screw (10), slidable mounting has two T shape movable blocks (11) in the T shape shifting chute, two equal screw-thread cup joint of T shape movable block (11) is in on positive and negative tooth lead screw (10), two the equal fixed mounting in top of T shape movable block (11) has installation sleeve (12), the one end of positive and negative tooth lead screw (10) extends to crossbeam (7) is outer and fixed mounting has adjust knob (13), two all install the quick-connect subassembly on installation sleeve (12).

3. The single beam suspension of an agricultural implement of claim 2, wherein: connect the subassembly including setting up a plurality of fixing bolt (14) of installation sleeve (12) lateral part, another lateral part of installation sleeve (12) rotates and installs a plurality of internal thread cover (15), and is a plurality of the one end of fixing bolt (14) all runs through installation sleeve (12) and respectively the screw cup joint in a plurality of in internal thread cover (15), it is a plurality of all the fixed cover has been connect linkage gear (16) on internal thread cover (15), and is a plurality of linkage gear (16) mesh mutually in proper order, one of them the lateral part fixed mounting of linkage gear (16) has hexagonal to revolve piece (17), and every two are adjacent the equal fixed mounting of the other end of fixing bolt (14) has same gangbar, one of them install the unit that splines on linkage gear (16).

4. The single beam suspension of an agricultural implement of claim 3, wherein: the rotation stopping unit comprises a boss (18) fixedly installed on the side portion of the installation sleeve (12), a moving rod (19) is sleeved in the boss (18) in a sliding mode, arc-shaped clamping teeth (20) and pull rings (21) are fixedly installed at the two ends of the moving rod (19) respectively, and the arc-shaped clamping teeth (20) are meshed with one of the linkage gears (16).

5. The single beam suspension of an agricultural implement of claim 4, wherein: the movable rod (19) is sleeved with a return spring (22), and two ends of the return spring (22) are respectively fixedly connected with the lug boss (18) and the side part of the pull ring (21).

6. The single beam suspension of an agricultural implement of claim 1, wherein: change portion is including evenly offering a plurality of double-screw bolt mounting grooves of tire mounting disc (3) one side, and is a plurality of equal movable mounting has double-screw bolt installation piece (23), and is a plurality of the one end of screw thread post (24) is fixed mounting respectively is a plurality of on double-screw bolt installation piece (23), and is a plurality of T shape slot has all been seted up to the lateral part of double-screw bolt installation piece (23), set up the linkage chamber in tire mounting disc (3), evenly seted up a plurality of T shape spouts on the week side inner wall in linkage chamber, and is a plurality of equal slidable mounting has T shape cutting (25), and is a plurality of in the T shape spout same control assembly is installed to the one end that T shape cutting (25) are close to each other, and is a plurality of the other end difference slidable mounting of T shape cutting (25) is a plurality of in the T shape slot.

7. The single beam suspension of an agricultural implement of claim 6, wherein: control assembly is including seting up the control flume of butt joint drive block (4) lateral part, be provided with control knob (26) in the control flume, the lateral part fixed mounting of control knob (26) has bull stick (27), the one end of bull stick (27) extends to linkage intracavity and fixed mounting have magnetism concave-convex dish (28), and is a plurality of the equal fixed mounting of one end that T shape cutting (25) are close to each other has connecting rod (29), and is a plurality of the one end of connecting rod (29) is all rotated and is installed the magnetism spin, and is a plurality of the magnetism spin all with all sides of magnetism concave-convex dish (28) contact, install the protection unit on control knob (26).

8. The single beam suspension of an agricultural implement of claim 7, wherein: the protection unit is including setting up protective cover (30) of butt joint drive block (4) lateral part, the lateral part fixed mounting of protective cover (30) has cross fixture block (31), the cross recess has been seted up to the lateral part of control knob (26), the lateral part of cross fixture block (31) extends to in the cross recess, another lateral part of protective cover (30) is provided with a plurality of fastening bolt, and is a plurality of fastening bolt's one end all runs through protective cover (30) and thread mounting are in butt joint drive block (4).

9. The single beam suspension of an agricultural implement of claim 1, wherein: four limiting frames are uniformly and fixedly mounted at the top of the beam shaft (1), every two limiting frames are internally and movably mounted with the same damping steel plate group (9) together, and the tops of the two damping steel plate groups (9) are in contact with the bottom of the beam (7).