CN210113775U

CN210113775U - Novel tractor upper pull rod fixing device

Info

Publication number: CN210113775U
Application number: CN201920771391.5U
Authority: CN
Inventors: 张玉栋; 杲明川
Original assignee: Shandong Junmadao Machinery Co Ltd
Current assignee: Shandong Junmadao Machinery Co Ltd
Priority date: 2019-05-27
Filing date: 2019-05-27
Publication date: 2020-02-28
Anticipated expiration: 2029-05-27

Abstract

The utility model provides a novel pull rod is fixed on tractor, which comprises a mounting panel, the mounting panel passes through bolt and this body coupling of tractor, two bar grooves are seted up in the front of mounting panel, distribute about two bar grooves, a through-hole is seted up to the top inner wall in the bar groove that is located the mounting panel right side, through a vertical connecting rod of bearing movable mounting in the through-hole, the through-hole is passed on the top of connecting rod, a first sprocket of bottom fixed mounting of connecting rod, first sprocket is located the bar inslot, be located a second sprocket of top inner wall movable mounting in the left bar groove of mounting panel, a first sprocket and a root lead screw of the equal fixed connection in bottom surface of second. This device drives two lead screws simultaneously and rotates through setting up first sprocket and second sprocket, and then adjusts the distance between two rectangular pieces, makes the rectangular piece press from both sides the upper pull rod tightly, has avoided the upper pull rod to take place to rock, has avoided the upper pull rod to rock the noise production.

Description

Novel tractor upper pull rod fixing device

Technical Field

The utility model belongs to the tractor field, specifically speaking are novel pull rod is fixed on tractor device.

Background

At present, a tractor produced in China can swing under a high-speed running state without hanging agricultural implements, certain noise can be generated by the swing of an upper pull rod, and the upper pull rod can easily collide with other parts due to the swing of the upper pull rod, so that the upper pull rod is damaged, and the service life of the upper pull rod is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a novel tractor upper draw bar fixing device for solve the defect among the prior art.

The utility model discloses a following technical scheme realizes:

a novel tractor upper pull rod fixing device comprises a mounting plate, wherein the mounting plate is connected with a tractor body through bolts, two strip-shaped grooves are formed in the front of the mounting plate and distributed on the left and right sides, a through hole is formed in the top inner wall of the strip-shaped groove on the right side of the mounting plate, a vertical connecting rod is movably mounted in the through hole through a bearing, the top end of the connecting rod penetrates through the through hole, a first chain wheel is fixedly mounted at the bottom end of the connecting rod and is positioned in the strip-shaped groove, a second chain wheel is movably mounted on the top inner wall of the strip-shaped groove on the left side of the mounting plate, a lead screw is fixedly connected to the bottom surfaces of the first chain wheel and the second chain wheel, opposite threads are formed in the two ends of the lead screw, the bottom end of each lead screw is movably connected with the bottom inner wall of the corresponding strip-shaped, equal hinged joint connecting rod one end in one side of every nut, all through a rectangular piece hinged joint between the other end of two connecting rods that are located on same root lead screw, a spout that the cross-section is dovetail is seted up to the preceding centre of mounting panel, be equipped with the slider that two cross-sections are dovetail in the spout, distribute about two sliders, the preceding all with a rectangular piece fixed connection who corresponds of every slider, the preceding top of mounting panel begins a recess, the recess is located between two bar grooves, recess and two bar groove mutually perpendicular and inside communicate with each other, be connected through a chain meshing between first sprocket and the second sprocket, the chain is located the recess.

According to the novel tractor upper pull rod fixing device, the bolt is fixedly installed at the top end of the connecting rod.

According to the novel tractor upper pull rod fixing device, four handles are fixedly installed on the periphery of the top end of the bolt, and the four handles are evenly distributed.

According to the novel tractor upper pull rod fixing device, the opposite sides of the two sliding blocks are fixedly connected with one end of one spring, and the other end of each spring is fixedly connected with the inner wall of the sliding groove.

According to the novel tractor upper pull rod fixing device, the opposite surfaces of the two long blocks are provided with the arc-shaped grooves.

According to the novel tractor upper pull rod fixing device, the two arc-shaped grooves are fixedly provided with the arc-shaped pads on the opposite surfaces, and the arc-shaped pads have elasticity.

The utility model has the advantages that: the utility model has simple structure and convenient operation, when the utility model is used, the upper pull rod is firstly positioned between two long strips, then the connecting rod is rotated, the connecting rod drives the screw rod to rotate through the cooperation of the first chain wheel, the second chain wheel and the chain, the nut is in threaded fit with the screw rod, the long strips are fixedly connected with the slide block, the connecting rod is respectively hinged with the long strips and the nut, thereby limiting the rotation of the nut, the threads at the two ends of the screw rod are opposite, the two nuts positioned on the same screw rod move relatively, the nut moves to drive the connecting rod to move, the connecting rod moves to drive the two long strips to move relatively, the long strips move to drive the slide block to move along the chute, the two long strips clamp the upper pull rod, when the upper pull rod needs to be loosened, the connecting rod is rotated reversely to enable the two long strips to move oppositely, the upper pull rod is separated from the long strips, the device is provided with the first, the two lead screws are driven to rotate simultaneously, so that the distance between the two long blocks is adjusted, the long blocks clamp the upper pull rod, the upper pull rod is prevented from shaking to generate noise, meanwhile, the upper pull rod is prevented from colliding with other parts, the upper pull rod is prevented from being damaged, the service life of the upper pull rod is prolonged, and the use cost is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic structural diagram of the present invention; fig. 2 is an enlarged view of the view from the direction a of fig. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

A novel tractor upper pull rod fixing device comprises a mounting plate 1, wherein the mounting plate 1 is connected with a tractor body through bolts, two strip-shaped grooves 2 are formed in the front of the mounting plate 1, the two strip-shaped grooves 2 are distributed in the left and right directions, a through hole 3 is formed in the inner wall of the top end of the strip-shaped groove 2 on the right side of the mounting plate 1, a vertical connecting rod 4 is movably mounted in the through hole 3 through a bearing, the top end of the connecting rod 4 penetrates through the through hole 3, a first chain wheel 5 is fixedly mounted at the bottom end of the connecting rod 4, the first chain wheel 5 is positioned in the strip-shaped groove 2, a second chain wheel 6 is movably mounted on the inner wall of the top end of the strip-shaped groove 2 on the left side of the mounting plate 1, the bottom surfaces of the first chain wheel 5 and the second chain wheel 6 are fixedly connected with a lead screw 7, opposite threads are, two nuts 8 of the equal screw-thread fit in periphery of every lead screw 7, be located two nuts 8 on same lead screw 7 and distribute from top to bottom, 9 one end of a connecting rod of the equal hinged joint in one side of every nut 8, be located all through a rectangular piece 10 hinged joint between the other end of two connecting rods 9 on same lead screw 7, a cross-section is seted up in the middle of the front of mounting panel 1 and is the spout 11 of dovetail, be equipped with two blocks of cross-sections for the slider 12 of dovetail in the spout 11, distribute about two blocks of sliders 12, every slider 12 all with a rectangular piece 10 fixed connection that corresponds in front, the preceding top of mounting panel 1 begins a recess 13, recess 13 is located between two bar grooves 2, recess 13 and two bar grooves 2 mutually perpendicular and inside communicate with each other, be connected through a chain 14 meshing between first sprocket 5 and the second sprocket 6, chain 14 is located recess 13. The utility model has simple structure and convenient operation, when the utility model is used, the upper pull rod 20 is firstly positioned between two long strip blocks 10 (as shown in figure 1), then the connecting rod 4 is rotated, the connecting rod 4 drives the screw rod 7 to rotate through the cooperation of the first chain wheel 5, the second chain wheel 6 and the chain 14, the nut 8 is in threaded fit with the screw rod 7, the long strip blocks 10 are fixedly connected with the slide block 12, the connecting rod 9 is respectively hinged with the long strip blocks 10 and the nut 8, thereby limiting the rotation of the nut 8, the threads at two ends of the screw rod 7 are opposite, the two nuts 8 positioned on the same screw rod 7 move relatively, the nut 8 moves to drive the connecting rod 9 to move, the connecting rod 9 moves to drive the two long strip blocks 10 to move relatively, the long strip blocks 10 move to drive the slide block 12 to move along the chute 11, the two long strip blocks 10 clamp the upper pull rod 20, when the upper pull rod 20 needs to be loosened, the, make two rectangular pieces 10 opposite movement, make pull rod 20 and rectangular piece 10 separation, this device is through setting up first sprocket 5 and second sprocket 6, drive two lead screws 7 simultaneously and rotate, and then adjust the distance between two rectangular pieces 10, it is tight to make rectangular piece 10 press from both sides pull rod 20, it takes place to rock to have avoided pull rod 20, it rocks the noise production to have avoided pull rod 20, it bumps with other parts to have avoided pull rod 20 simultaneously, it takes place to damage to have avoided pull rod 20, the life of pull rod 20 has been improved, use cost is reduced.

Specifically, as shown in the figure, a bolt 15 is fixedly installed at the top end of the connecting rod 4 according to the embodiment. Through bolt 15, the user is convenient for operate connecting rod 4, brings the convenience for the use.

Specifically, as shown in the figure, four handles 16 are fixedly installed on the periphery of the top end of the bolt 15 in the embodiment, and the four handles 16 are uniformly distributed. Through handle 16, the user is convenient for rotate bolt 15, and then drives connecting rod 4 and rotate, has saved user's physical power.

Further, as shown in the figure, the back surfaces of the two sliding blocks 12 in this embodiment are both fixedly connected to one end of a spring 17, and the other end of each spring 17 is fixedly connected to the inner wall of the sliding groove 11. The spring 17 makes the movement of the slider 12 smoother, improves the mobility of the slider 12, and simultaneously avoids collision between the slider 12 and the chute 11.

Further, as shown in the drawings, the two strips 10 of this embodiment each have an arcuate recess 18 formed in opposite sides thereof. The arc-shaped groove 18 increases the contact area between the strip block 10 and the upper pull rod, so that the upper pull rod can be clamped into the arc-shaped groove 18, and the fastening effect of the strip block 10 on the upper pull rod is increased.

Furthermore, as shown in the figure, an arc pad 19 is fixedly installed on each of the two opposite surfaces of the arc groove 18, and the arc pad 19 has elasticity. The arc-shaped pad 19 prevents the upper pull rod from directly contacting the arc-shaped groove 18, and prevents the surface of the upper pull rod from being scratched when the arc-shaped groove is 18 years old.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a novel pull rod is fixed on tractor which characterized in that: comprises a mounting plate (1), the mounting plate (1) is connected with a tractor body through a bolt, two strip-shaped grooves (2) are arranged in front of the mounting plate (1), the two strip-shaped grooves (2) are distributed left and right, a through hole (3) is arranged on the inner wall of the top end of the strip-shaped groove (2) on the right side of the mounting plate (1), a vertical connecting rod (4) is movably mounted in the through hole (3) through a bearing, the top end of the connecting rod (4) penetrates through the through hole (3), a first chain wheel (5) is fixedly mounted at the bottom end of the connecting rod (4), the first chain wheel (5) is arranged in the strip-shaped groove (2), a second chain wheel (6) is movably mounted on the inner wall of the top end of the strip-shaped groove (2) on the left side of the mounting plate (1), a lead screw (7) is fixedly connected with the bottom surfaces, the bottom end of each screw rod (7) is movably connected with the bottom end inner wall of a corresponding strip-shaped groove (2) through a bearing, the periphery of each screw rod (7) is in threaded fit with two nuts (8), the two nuts (8) on the same screw rod (7) are distributed up and down, one side of each nut (8) is hinged with one end of a connecting rod (9), the other ends of the two connecting rods (9) on the same screw rod (7) are hinged through a long strip block (10), a sliding groove (11) with a dovetail-shaped cross section is formed in the middle of the front of the mounting plate (1), two sliding blocks (12) with dovetail-shaped cross sections are arranged in the sliding groove (11), the two sliding blocks (12) are distributed left and right, the front of each sliding block (12) is fixedly connected with the corresponding strip block (10), a groove (13) is formed in the top of the front of the mounting plate (1), the groove (13) is positioned between the two strip-shaped grooves (2), the groove (13) is perpendicular to the two strip-shaped grooves (2) and communicated with the inside of the two strip-shaped grooves, the first chain wheel (5) is meshed with the second chain wheel (6) through a chain (14), and the chain (14) is positioned in the groove (13).

2. The novel tractor upper draw bar fixing device of claim 1, characterized in that: and a bolt (15) is fixedly arranged at the top end of the connecting rod (4).

3. The novel tractor upper draw bar fixing device as claimed in claim 2, wherein: four handles (16) are fixedly installed on the periphery of the top end of the bolt (15), and the four handles (16) are uniformly distributed.

4. The novel tractor upper draw bar fixing device of claim 1, characterized in that: the back of the two sliding blocks (12) is fixedly connected with one end of a spring (17), and the other end of each spring (17) is fixedly connected with the inner wall of the sliding groove (11).

5. The novel tractor upper draw bar fixing device of claim 1, characterized in that: the opposite surfaces of the two long strip blocks (10) are provided with an arc-shaped groove (18).

6. The novel tractor upper draw bar fixing device of claim 5, wherein: the opposite surfaces of the two arc-shaped grooves (18) are fixedly provided with an arc-shaped pad (19), and the arc-shaped pads (19) have elasticity.