KR200461796Y1

KR200461796Y1 - the yawing shaft join structure for farm working machinery to tractor

Info

Publication number: KR200461796Y1
Application number: KR2020110002467U
Authority: KR
Inventors: 서경진
Original assignee: 서경진
Priority date: 2011-03-24
Filing date: 2011-03-24
Publication date: 2012-08-06

Abstract

Yawing shaft fastening structure for the tractor working machine according to the present invention is the length and surface area supported by the yaw shaft bushing 205 between the front panel 201 and the yaw shaft installation reinforcement plate 206 of the power input universal module 200. The shear pressure applied to the yawing shaft is widened, and the remaining axes of the yawing shaft 207 are axially supported on the V-panel 202 and the V-panel front cover 203 symmetrically assembled above and below the front panel 201. Durability during operation due to shearing pressure or yawing applied to the horizontal bar 30 is prevented, and the work machine is prevented from falling off due to the missing yaw shaft, and the nut loosening locker 208 has a spanner function. Forming the octagonal perforations for the cutting, and the banding protruding government gave the function of releasing the horizontal yaw shaft shaft nut (207d) by easy tapping the rudder (208a) with a tableting tool, not a spanner. From outside It is a useful design to make it easy to visually check the loosening state of the horizontal yaw shaft, and to make the centering work of the horizontal yaw shaft hole more precise and easy to remove or replace the horizontal yaw shaft.

Description

Yawing shaft join structure for farm working machinery to tractor}

The present invention relates to a yaw shaft fastening structure for a tractor work machine, which is a horizontal yawing-shaft assembling device for attaching and detaching a work machine to a tractor, which is equipped with a universal module for applying tractor power to a work machine. And it relates to a yaw shaft fastening structure for a tractor work machine to enhance the durability of the shaft system due to refraction and to reduce the load and to facilitate the assembly and maintenance.

By using the tractor, we use various work tools such as baler, bale lapping machine, weeding machine, compost or manure spreader which are straw straws.When using various work machines using the above tractors, the power of the tractor is applied to the work machine and the tractor and working period It is very important to reinforce the structure of the yawing-shaft and the fastening part of the lower connection horizontal which is connected with the tracker due to the stable connection of the tractor and the excessive stress and load caused by the left and right yawing and swing of the tractor and working period.

As shown in Figure 1 which is an example of a breakdown of the work connector for a tractor as shown in Figure 1 in the reference state of use of the drawing table in the universal joint group connected to the work machine, such as a horizontal yawing shaft broken and broken in the tractor, the towing links provided on the lower left and right of the tractor The horizontal yawing shaft to which the device is coupled is damaged due to the weight of the work machine attached to the universal joint group at the rear end and the impact of bending up and down in the working period with the tractor, causing the work machine to fall from the tractor. to be.

In order to compensate for the weakness of the traction link part, the related art 1 discloses a universal joint group provided between a power input shaft connected to agricultural heavy equipment on one side and a power output shaft connected to a work machine on the other side. It is provided with a fixed end pipe integrally, the fixed end pipe pipe has a long hole, the inside of the fixed end pipe pipe is inserted into the movable end pipe pipe with a fastening plate attached to one end, and the upper and lower pipe pipe After inserting the formed pin and the upper and lower holes of the fixed end pipe, the agricultural work machine connecting device is provided to insert the split pins to match each other ", but is welded to the side plate at the bottom of the power output shaft support body which is the power output shaft housing The fastening means of the fastening plate inserted in the fixed end pipe and the housing thereof are very A weak situation.

On the other hand, as shown in the reference drawings 2 and 4 of the applicant's prior art document 2, the horizontal rotating shaft implemented in the tractor work machine towing link device is inserted from the front panel of the front panel of the universal joint group, and then the universal joint group It was made in such a way that it was fastened with a toothed washer and a horizontal rotating shaft nut at the rear side.

On the other hand, the horizontal rotating shaft as described above is fastened to the flange for preventing the rotation of the horizontal rotating shaft flange and the separation of the horizontal rotating shaft by the horizontal rotating shaft rotation prevention piece attached to one side or left and right diagonal pieces on the front side of the V-panel. Although the flange assembly bolt prevents rotation and play of the rotating shaft, the process of inserting the horizontal rotating shaft rearward from the front of the V-panel is easy, but it is fastened with a toothed washer and horizontal rotating shaft nut at the rear of the universal joint group. The fastening work space is small and the tool is not very good assembly and repair work is very difficult situation.

[Document 1] KR 20-0255993 Y1 2001.11.20, FIG. 4 [Document 2] KR 20-2009-7111 U 2009.7.13, FIG. 2 Document 3 KR 20-2009-0012402, 2009.9.21 FIG. 4

To this end, in the present application, the tractor lower connection group is fixed to the lower end and the power input universal module is assembled with a power input spline shaft to assemble the power shaft of the tractor; Improved durability of the yawing shaft, which is a horizontal rotating shaft assembled between the V panels of the front panel of the universal joint group, which is welded to the lower end of the universal joint group where the power output universal module connected to the drive shaft of the work machine is assembled. The purpose of the present invention is to provide a yaw shaft fastening structure for a tractor work machine that facilitates the inspection and self-maintenance by the user due to the addition of a work tool combined nut loosening means that replaces a large diameter spanner at the time of fastening or maintenance.

On the other hand, it is convenient to visually check the loosening state of the horizontal yawing shaft from the outside by assembling it from the rear of the horizontal shaft to the front of the yaw shaft, which is more accurate than before. Machining work, horizontal strip detachment or replacement convenience improvement is a subject to be devised.

In view of the above, the tractor working yaw shaft fastening structure of the present invention is assembled with the worktable mounting group 10 to which the working machine boom of the tractor is attached and the power of the universal joint 20 for the power transmission of the tractor is built up. An output universal module 100; Yawing and 2 of the power input universal module 200 having a horizontal bar 30 pivotally assembled between the v-panel 202 and the v-panel front cover 203 symmetrically assembled above and below the front panel 201. In the fastening of the tractor working machine yaw shaft for supporting the point connection, the yawing in which the stopper 207e is fixed to the upper side of the side member 204 at a predetermined distance from the front member 201 of the power input universal module 200. The yaw shaft bushing 205 is fixed to the yaw shaft bushing 205 by welding and installing the shaft mounting reinforcing plate 206; the V-panel front cover through the horizontal pivot shaft reinforcing bushing 31 of the yaw shaft bushing 205 and the horizontal bar 30. (203) The end of the yaw shaft 207 drawn out of the yaw shaft hole 203a forms a threaded portion, and the yaw shaft top bracket 207a on the pentagonal plate is welded and attached to the head opposite the threaded portion, and the top bracket locker on the lower outer edge of the yaw shaft top bracket. Form the bolt hole (207b) and install the yawing shaft with the top bracket rocker bolt (207c) Screw assembly on the high speed plate 206, and the yaw shaft 207 threaded portion is fastened to the horizontal yaw axis shaft nut (207d), and the octagonal spanner-shaped perforations and bent projections 208a and 15 ° and 19 ° A tractor loosening locker 208 provided with three loosening nut fastening holes 208b at a divided angle is fitted with screws to prevent loosening locker bolts 209 on the front cover 203 of the V-panel. Yawing shaft fastening structure improves durability of horizontal yawing shaft, and it is easy to check and self-maintenance by user by adding a nut loosening prevention tool that is a work tool that replaces a large diameter spanner during fastening work or maintenance. It is to provide a yaw shaft fastening structure for the tractor working machine.

The yaw shaft fastening structure for the tractor worker of the present invention has a wide length and surface area supported by the yaw shaft bushing 205 between the front panel 201 of the power input universal module 200 and the yaw shaft mounting reinforcement plate 206. The shear pressure applied to the shaft is dispersed, and the remaining shafts of the yawing shaft 207 are axially supported on the V-panel 202 and the V-panel front cover 203 symmetrically assembled above and below the front panel 201. Durability during operation due to shearing pressure or yawing applied to the (30) is to improve the durability, it is a useful design to prevent the accident that the working machine due to the missing yaw shaft missing.

Meanwhile, the nut loosening locker 208 forms an octagonal perforation for the spanner function, and the banding protruding rudder beats the tableting unit 208a with a tableting tool rather than a spanner to form a horizontal yaw shaft lock nut 207d. It has a function to facilitate loosening or tightening, and it is convenient to visually check the loosening state of the horizontal yaw shaft from the outside, and it is possible to precise center machining work of horizontal yawing shaft hole or detachable or replaceable horizontal stand. This is an improved useful design.

1 is a reference picture showing the state of the yaw shaft breakage of the universal towing link device for conventional tracker working machine.
Figure 2 is a perspective view of the assembled yaw shaft portion of the universal towing link device for a tractor work machine of the present invention
3 is an assembly perspective view showing the main parts of the main part of the present invention assembled from the rear pull-out assembly of the power input universal module
Figure 4 is a partial cross-sectional view of the assembled state of Figure 3
5 is a reference diagram for the first and second embodiment of the nut loosening prevention rocker which is the main part of the present invention.

For the above purpose, look at one embodiment of the present invention by the accompanying drawings as follows.

Figure 2 is a perspective view of the assembly of the yawing shaft of the universal towing link device for a tractor work machine of the present invention, Figure 3 is an assembly perspective drawing showing the main parts to be pulled out from the rear of the power input universal module, which is the main part of the present invention, Figure 4 Figure 3 is a partial cross-sectional view of the assembled state of Figure 3, Figure 5 shows one embodiment structure for the yaw shaft structure for a tractor work machine according to the present invention with reference to the first and second embodiment of the nut loosening prevention rocker which is the main part of the present invention see.

A power output universal module 100 in which the universal joint 20 for assembling the worktable mounting group 10 to which the working boom of the tractor is attached and the power transmission of the tractor is constructed; Yawing and 2 of the power input universal module 200 having a horizontal bar 30 pivotally assembled between the v-panel 202 and the v-panel front cover 203 symmetrically assembled above and below the front panel 201. The fastening structure of the tractor working yaw shaft for the point connection is as follows.

Yawing shaft bushing by welding the yawing shaft installation reinforcement speed plate 206 in which a stopper 207e is fixed on both sides of the side member 204 at a predetermined distance from the front member 201 of the power input universal module 200. Fixing 205;

An end portion of the yaw shaft 207 drawn out through the V-panel front cover 203 yawing shaft hole 203a through the yaw shaft bushing 205 and the horizontal axis rotating shaft reinforcing bushing 31 of the horizontal bar 30 forms a screw portion. On the opposite side of the threaded portion, the yaw shaft top bracket 207a on the pentagonal plate is welded and the top bracket rocker bolt hole 207b is formed on the lower outer edge of the yaw shaft top bracket to form the yaw shaft mounting reinforcement plate (207c) with the top bracket rocker bolt (207c). 206),

After fastening the horizontal yaw axis shaft nut (207d) to the yawing shaft (207), the three anti-loosening nut fastening holes at the 15 ° and 19 ° dividing angles with the octagonal spanner-shaped perforations and the bent protrusions (208a). The nut loosening locker 208 provided with 208b is screwed and assembled on the v-panel front cover 203 with the loosening locker bolt 209.

As such, the nut loosening locker 208 is a screw part of the yawing shaft M70 ~ 80 grade, the general consumer often does not have a disassembly tool such as a spanner.

In addition, the nut loosening locker 208 forms an octagonal perforation for the spanner function in the optimum screwing state, and the bending protruding rudder beats the rudder 208a with a tableting tool rather than a spanner. The convenience of loosening or shrinking the induction furnace cut nut 207d was provided.

On the other hand, the three anti-loosening nut fastening holes 208b formed at intervals of 19 ° and 15 ° were punched into 12 angles having a 30 ° dividing angle in the state of assembling the horizontal large yaw shaft shaft nut 207d. In the process of fixing the nut loosening locker, the loosening locker bolt hole 203b and the loosening locker bolt 209 formed on the front panel 203 of the v-panel are not shifted while maintaining the maximum tightening state. The sum of the divided angles was formed at 34 ° instead of 30 ° so as to be assembled as

As described above, the yaw shaft 207 of the yaw shaft fastening structure for the tractor work machine according to the present invention is the yaw shaft bushing 205 between the front panel 201 of the power input universal module 200 and the yaw shaft installation reinforcing plate 206. ) And the contact area is wide, the shear pressure applied to the yawing shaft is dispersed, improving durability.

Meanwhile, the remaining shafts of the yawing shaft 207 are axially supported on the V-panel 202 and the V-panel front cover 203 which are symmetrically assembled above and below the front panel 201, and the shear pressure applied to the horizontal bar 30. Or durability during operation by yawing.

Yawing shaft 207 according to the present invention is assembled and installed in this way is the front panel cover 203 and the loosening locker bolt 209 of the nut loosening locker 208 in the front of the power input universal module 200; On the yaw shaft mounting reinforcement board 206 with the top bracket rocker bolt 207c through the stopper 207e fixed to the upper end of the yawing shaft top bracket 207a and the top bracket rocker bolt ball 207b of the lower outer edge from the inner rear side. It is easy to visually check or maintain the horizontal yaw axis shaft nut 207d located outside while preventing rotational loosening of the yaw shaft by the structure of being supported or screwed, so that the tractor or work machine is prevented by the nut loosening locker 208. The yaw shaft 207 is not released due to the yawing or swinging action or the impact or vibration of the engine, and the shear pressure is dispersed to prevent the accident that the work machine is released due to the yaw shaft deficiency.

In the drawings, '32' is a horizontal flat washer, and 40 'is used as a traction ring used to lift the main body by arbitrarily fastening the power output universal module 100 and the power input universal module 200 with an eye bolt. do.

To this end, the eye bolt fastening hole 41 is provided on the power input universal module 200 and the power output universal module 100.

In addition, '50' is to use the main body support stand 50, which is assembled by the eye bolt pin in the lower side of the power output universal module 100 toward the worktable mounting group 10 when working.

10: Workbench mounting group 20: Universal joint
30: horizontal stage 31: horizontal rotary shaft reinforcing bushing
40: eye bolt
41: Eye bolt fastener 50: Stand
100: power output universal module 200: power output universal module
201: front panel 202: V panel
203: V-panel front cover 203a: Yaw shaft
204: side member
205: yaw shaft bushing 206: yaw shaft mounting reinforcing plate
207: Yaw Shaft 207a: Yaw Shaft Top Bracket
207b: Top bracket rocker bolt Ball 207c: Top bracket rocker bolt
207d: Horizontal yaw axis shaft nut 207e: Stopper
208: Nut loosening locker
208a: Other Government 208b: Fastening Nuts
209: loosening locker bolt

Claims

A power output universal module 100 in which the universal joint 20 for assembling the worktable mounting group 10 to which the working boom of the tractor is attached and the power transmission of the tractor is constructed; Yawing and 2 of the power input universal module 200 having a horizontal bar 30 pivotally assembled between the v-panel 202 and the v-panel front cover 203 symmetrically assembled above and below the front panel 201. In fastening the tractor worker yaw shaft to support the point connection,
Yawing shaft bushing by welding the yawing shaft installation reinforcement speed plate 206 in which a stopper 207e is fixed on both sides of the side member 204 at a predetermined distance from the front member 201 of the power input universal module 200. Fixing 205;
An end portion of the yaw shaft 207 drawn out through the V-panel front cover 203 yawing shaft hole 203a through the yaw shaft bushing 205 and the horizontal axis rotating shaft reinforcing bushing 31 of the horizontal bar 30 forms a screw portion. On the opposite side of the threaded portion, the yaw shaft top bracket 207a on the pentagonal plate is welded and the top bracket rocker bolt hole 207b is formed on the lower outer edge of the yaw shaft top bracket to form the yaw shaft mounting reinforcement plate (207c) with the top bracket rocker bolt (207c). 206),
After fastening the horizontal yaw axis shaft nut (207d) to the yawing shaft (207), the three anti-loosening nut fastening holes at the 15 ° and 19 ° dividing angles with the octagonal spanner-shaped perforations and the bent protrusions (208a). Yawing shaft fastening structure for a tractor work machine, characterized in that the nut locker lock (208) provided with (208b) is screwed on the v-panel front cover (203) with a lock locker bolt (209).