JPH0473966B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an improvement in a vibration device for vibrating a vibrating agricultural ground working machine.

[Prior Art] When performing deep plowing work or subsoil crushing work by attaching an agricultural ground-working machine with large traction resistance to a tractor, such as a deep plow or subsoil crushing plow, the tractor A supporting machine frame a that can be fixed at a desired height position is provided on the vehicle body 1 of the T, and a swinging machine frame c that freely rotates around a connecting point b is supported on this frame.
An agricultural ground work machine d is supported on the rocking machine frame c so that it can move together with the rocking machine frame c, and an unbalancer type vibration generating device A is mounted so that the direction of the generated vibration is vertical or longitudinal. If the unbalancer-type vibration excitation device A is configured and assembled so as to be unidirectional, and the agricultural ground work machine d is vibrated by vibrating the rocker frame c by driving the rocker frame c, the unbalancer type vibration excitation device A The agricultural ground working machine d can be efficiently vibrated without transmitting vibration to the vehicle body 1 of the tractor T on which the agricultural ground working machine d is supported, and is extremely effective in reducing traction resistance due to vibration. has come to light.

Therefore, as shown in FIG. As shown in FIG. 3, a pair of unbalancers 2 each having an eccentric weight 21 mounted thereon are arranged in parallel with their rotational axes 20, 20 parallel to each other. As shown in FIGS. 6 and 7, the weights 21 and 21 are arranged so that they occupy symmetrical positions and rotate in synchronization in opposite directions.
The transmission gears G, G provided on each rotating shaft 20, 20 are combined by meshing, and the shafts are mounted on a frame 3 as shown in FIGS. 3 to 5. By driving the input shaft 4 provided at the shaft end of one of the rotating shafts 20 of the balancers 2, 2, in the example shown in FIGS. 6 and 7, the pair of unbalancers 2, 2 are configured to cancel the vibrations in the left and right directions and generate synergistic vibrations only in the vertical direction.

[Problems to be Solved by the Invention] By the way, the vibration excitation force that is the vibration force generated by the unbalancer type vibration excitation device A configured as described above is generated by the rotation of the weight 21 of the unbalancer 2. This is due to centrifugal force, and its strength is proportional to the weight of the weight 21 being swung out. Therefore, if a large excitation force is required depending on the form and type of agricultural ground work machine d, the excitation device A must be configured using a large unbalancer 2 with an increased weight. Therefore, in order to correspond to the required excitation force, it is necessary to make many types of unbalancers 2 with different sizes, and thereby assemble the excitation device A with each different excitation force. This results in the problem of high costs and the problem that increasing the weight 21 of the unbalancer 2 to increase the excitation force increases the volume of the vibration excitation device A to be assembled, making it difficult to handle. It's coming.

The present invention has been made to solve these problems, and by increasing the number of unbalancers 2 in which the weight 21 is formed in the same shape to increase the vibration force, it is possible to benefit mass production. It is an object of the present invention to provide a new means for easily manufacturing and assembling the same and driving the assembled vibration excitation device.

[Means for Solving the Problem] In the present invention, as a means for achieving this object, a weight 21 is eccentrically placed around a rotating shaft 20 within a frame 3 formed in the shape of a single machine casing. The two provided unbalancers 2, 2 are mounted in a pair of parallel shafts with their rotational axes 20, 20 parallel to each other, and the weights 21, 21 of the rotational shafts 20, 20 are arranged in symmetrical positions. The rotating shafts 20, 2 are rotated in synchronism in opposite directions.
Transmission gears G and G provided on each unbalancer 2 are directly meshed to form a unit vibration generating device u, and the unit vibration generating device u consisting of the pair of unbalancers 2, 2 is connected to the rotating shaft 20 of each unbalancer 2... The transmission gears G... provided on the rotating shafts 20... in parallel positions are combined in multiple series and stored in the frame 3 so that the transmission gears G... are adjacent to each other and directly mesh with each other, The shaft end of one of the rotating shafts 20 of the many parallel unbalancers 2 is made to protrude from the frame 3, and the input shaft 4 is mounted on the protruding end. The present invention proposes a vibration excitation device for agricultural ground work machines of the type.

[Example] Next, embodiments will be described in detail with reference to the drawings.

FIG. 8 shows a first embodiment of the means of the invention.

This embodiment is an example in which a vibration generator A is constructed by combining unit vibration generators u so that they are arranged in two rows on the left and right in a state in which the rotating shaft 20 of each unbalancer 2 is in a horizontal position. In Figure 8,
A is the assembled vibration generator, 2 is the unbalancer, u
numeral 3 indicates a unit vibration excitation device constructed by combining two of the unbalancers 2 into a set, numeral 3 indicates a frame on which each unbalancer 2 is mounted, and numeral 4 indicates an input shaft of the assembled vibration excitation device A.

The unbalancer 2 is constructed by attaching a weight 21 eccentrically to a rotating shaft 20, as shown in FIG.
is divided into two in the axial direction of the rotating shaft 20, and the second
A transmission gear G is assembled between the divided weights 21 and the weights 21.

The unit vibration excitation device u is constituted by a vibration vibration device in which two unbalancers 2 configured as described above are arranged in parallel and combined so as to generate a vibration excitation force in one direction. That is, the two unbalancers 2, 2,
The transmission gears G are arranged in a pair of parallel positions with their rotating shafts 20, 20 parallel to each other, are supported in a frame 3 formed in the shape of a machine casing, and are coaxially attached to the rotating shafts 20, 20. , G are directly meshed with each other with the weights 21, 21 attached to their rotating shafts 20, 20 arranged in symmetrical positions so that they rotate synchronously in opposite directions. As shown in FIGS. 6 and 7, the weights 21 and 21 act as a vibration device that generates unidirectional vibration along the direction in which the weights 21 and 21 move in the same direction, and these two unbalancers 2 , 2 are combined as a unit vibration device u.

Then, these unit vibration generators u are arranged in two rows in the left and right direction, and each of the unbalancers 2...
The rotation axes 20... are mounted on the frame 3 in parallel positions, and as shown in Fig. 9, each unit vibration excitation device u is arranged so that the directions of the vibration force lines, which are the movement directions of the generated vibrations, are the same. The relative positions of the weights 21... of each unbalancer 2... are adjusted so that they are aligned in the direction of the transmission gears G attached to the rotating shafts 20...
The oscillating device A is constructed by directly interlocking adjacent ones.

The frame 3 is formed in the shape of a machine casing that is long in the left and right direction so that the unit vibration generators u made up of the pair of unbalancers 2, 2 described above can be arranged in two parallel rows on the left and right and stored in a shaft rack. Front side machine wall 3
0 is constructed in the form of a lid that can be attached/detached or fixed, but it may be made as appropriate, such as in the case of making it into the shape of a box divided into two. The rotating shaft 20 of each unbalancer 2 of the above-mentioned unit vibration generators u, u which are arranged in parallel on the left and right is connected to the machine wall 3 at the front and rear of the frame 3.
The weights 21 of the unbalancers 2 of the unit oscillation devices u and u supported by the frame 3 are stored and synchronized. A gearbox is constructed in which transmission gears G, which are connected to each other so as to rotate, are housed in a sealed state.

The input shaft 4 is combined with an unbalancer 2 mounted on the frame 3 in parallel as a unit vibration generating device u.
The front end side of the rotating shaft 20 of the unbalancer 2 appropriately selected from ... is connected to the machine wall 3 on the front side of the frame 3.
It is made to project forward from 0 and has a projecting end.

As shown in FIG. 1, the vibration excitation device A assembled in this way has the front surface of the frame 3 attached to the rocker frame c provided on the support frame a that is assembled and supported on the vehicle body 1 of the tractor T. The input shaft 4 is assembled and mounted so as to face the front of the vehicle body 1, and the input shaft 4 is transmitted to the PTO shaft 10 provided on the vehicle body 1 of the tractor T via the universal joint shaft 40.
When driven, each unbalancer 2... rotates so as to operate as two unit vibration generators u, u as shown in FIGS. 11 and 12, thereby causing the above-mentioned As shown in FIGS. 3 to 7, if the vibration excitation device A, which is a combination of two unbalancers 2, 2, and the weight 21 are formed in the same way, The vibration excitation device A shown in FIG. 7 becomes a unit vibration device u and is provided in two sets, generating twice the vibration force.

In FIG. 1, 11 is a top link provided on the rear side of the vehicle body 1 of the tractor T, and 12 is a lower link provided at the bottom of both left and right sides of the rear surface of the vehicle body 1 (in the drawing, one is (omitted), 13 is a hydraulically operated lift arm provided on both left and right sides of the rear side of the vehicle body 1 (one is omitted in the drawing), and e is the rotation range of the rocker frame c. A vibration excitation device A is configured to expand and contract under a certain elastic load in the form of a shock absorber and is assembled to the supporting machine frame a and the rocking machine frame c so as to regulate the vibration.
This is a linking rod that spans between frame 3 and frame 3.

Next, FIG. 13 shows an embodiment in which a vibration generator A is constructed by arranging three unit vibration generators u in parallel in the left-right direction. In this embodiment, while the embodiments shown in FIGS. 8 to 12 have two unit vibration excitation devices u arranged in parallel in the left and right direction, one more unit vibration device u is added. The only difference is that the frame 3 is arranged in three rows in parallel, and that the frame 3 is lengthened in the left-right direction by the length of one unit excitation device u, and the rest of the configuration is different from the above-mentioned embodiment. Components having the same effect will be designated by the same reference numerals and detailed explanations will be omitted for the same configuration.

In this way, when three unit vibration generators u are arranged in parallel, as shown by the solid lines in FIGS. 15 and 16, two unit vibration generators u are arranged in parallel.
In the case where the unit oscillation device u to be added is added to the base of the unit oscillating device parallel to the 3-unit oscillation device u to form a 3-unit oscillation device in parallel, the additional unit oscillation device u is Not only when adding the unbalancers 2, 2 as a pair, but also when separating the two unbalancers 2, 2 as shown by the chain lines in FIGS. 15 and 16, It is arranged at the outer position of each of the unit vibration generators u, u which are already arranged in parallel in two series, and thereby, as shown in FIGS. 15 and 16,
As shown by the dashed leader lines, three unit vibration generating devices u made up of a new pair of combinations may be arranged in parallel.

Therefore, in this embodiment device, the unit oscillation device u
Since they are assembled in three rows in parallel, three times the excitation force is generated compared to when the unit excitation devices u are combined into one.

Next, FIGS. 17 to 19 show the unit vibration device u
When combining the unbalancers 2 into two sets, an example is shown in which the unit vibration generators u are arranged vertically in parallel and combined into two sets, with the rotating shafts 20 of each unbalancer 2 in a horizontal position. .

In this embodiment, two unbalancers 2, 2
Since the unit vibration generating devices u are configured by arranging them in parallel on the left and right and combining them in pairs, they are combined in parallel in a two-tiered manner, so the frame 3 that stores them is
is formed into a rectangular shape as shown in FIG. 18 when viewed from the front. Each unbalancer 2... which is supported on the front and rear machine walls 30, 31 of the frame 3, has a transmission gear G... provided on each rotating shaft 20... They are designed to mesh directly with each other due to the relationship.

It should be noted that this embodiment is also the same as the above-mentioned embodiment with respect to the rest of the structure, so the same reference numerals are given to the constituent members having the same effect, and detailed explanation thereof will be omitted.

In this embodiment, by driving the input shaft 4, the four unbalancers 2 mounted in the frame 3 rotate in synchronization in the directions shown by the arrows in FIGS. 20 and 21. do. As a result, the two unbalancers 2, 2 arranged on the left and right are combined as a pair constituting the unit vibration excitation device u, and the unit vibration vibration device u is
They operate in a stacked state and generate twice the excitation force.

As in this embodiment, in the form in which the unit vibration generators U are arranged vertically in parallel to form the vibration generator A, when multiple unit vibration generators u are combined in parallel, the lines shown by the chain lines in FIG. The unit oscillation devices u may be further stacked as shown in FIG.

Next, FIG. 22 shows a modification example in which a vibration generator A is assembled by combining the unit vibration generators u vertically in parallel.

In this embodiment, the unit oscillation device u is constructed by combining two unbalancers 2, 2 into a pair, and the two unbalancers 2, 2 are arranged vertically in parallel and combined into a pair. This is an example of a case in which the unbalancers 2 of the unit vibration generators u arranged in parallel in two series are stacked vertically in a row in four stages, and are provided on their rotating shafts 20. The transmission gears G... are arranged vertically adjacent to each other and directly mesh with each other.

In this embodiment as well, the rest of the configuration is the same as in each of the above-described embodiments, so the same constituent members are given the same reference numerals and detailed explanations will be omitted.

Although not clearly shown in the drawings, the input shaft 4 is constructed by having one shaft end of the rotating shafts 20 of the four unbalancers 2 protrude from the frame 3, as described above. This is similar to the example.

Next, FIG. 23 shows the above-mentioned unit excitation device u,
In a state where the rotating shafts 20 of these unbalancers 2 are parallel to each other in a horizontal direction, the rotating shafts 20 of the unbalancers 2 are arranged in parallel in the horizontal direction and the vertical direction, and the rotating shafts 20...
This figure shows an embodiment of an oscillating device A constructed by combining multiple transmission gears G provided on the left and right and upper and lower sides so that they directly mesh with each other.

In this embodiment, the unit oscillation device u is moved 2 times in the left and right direction.
This is an example in which the unit oscillation devices u are combined into four sets by stacking the combinations shown in Figures 8 and 9 in parallel in two rows and vertically paralleling them, and the frame As in the embodiment shown in FIG. They are like-minded people and mesh with each other.

The rest of the structure of this embodiment is the same as that of the above-described embodiment, so the same constituent members are given the same reference numerals and detailed explanations will be omitted.

In this embodiment, by driving the input shaft 4, which is installed with the shaft end of the rotating shaft 20 of a suitable unbalancer 2 protruding from the frame 3, four parallel unit vibration devices u... will now operate in sync, generating four times the excitation force.

Next, the unit vibration device u is connected to each unbalancer 2.
An embodiment will be described in which the rotating shafts 20 of the vibration exciter A are arranged in parallel and assembled into the vibration generator A in a posture along the vertical direction.

When assembling the vibration generator A by arranging the unit vibration generators U in two rows in the left-right direction with the rotating shaft 20 of each unbalancer 2 aligned in the vertical direction, the vibration generator A is shown in FIGS. 8 to 10. The frame 3 of the embodiment shown in FIG. 10 is rotated 90 degrees clockwise or counterclockwise in FIG. 10, so that FIG. 9 is a top view or a bottom view. Therefore, the configuration of each member is the same as the embodiment shown in FIGS. 8 to 10, except for the direction of the rotating shaft 20 of the unbalancer 2.

In addition, the unit vibration device u is connected to each unbalancer 2.
When assembling the vibration exciter A in three rows parallel to each other in the left and right direction with the rotating shafts 20 in the vertical direction, the embodiment shown in FIGS. 13 and 14 can be similarly rotated by 90 degrees. Thus, the configuration is such that FIG. 14 is a top view or a bottom view.

In addition, the unit vibration device u is connected to each unbalancer 2.
In a state where the axial direction of the rotating shaft 20 is in the vertical direction, when configuring the vibration excitation device A by arranging multiple devices in parallel in the front-rear direction, use the embodiment device shown in FIG. 21 or FIG. 22 described above. The apparatus shown in the embodiment shown in FIG.

In addition, the unit vibration device u is connected to each unbalancer 2.
When assembling the vibration excitation device A in a state in which the axial direction of the rotating shaft 20 is along the vertical direction, the vibration generating device A is assembled in parallel in multiple rows in the left-right direction and the front-back direction.
Similarly, the embodiment shown in FIG.
It is configured to be rotated 90 degrees.

Therefore, in each of these embodiments, since the rotating shaft 20 of the unbalancer 2 is in a posture along the vertical direction, the direction of the generated vibration force is
The direction is along a horizontal plane that is the radial direction of the rotating shaft 20.

[Effects of the Invention] As explained above, the vibrating device for a vibrating agricultural ground working machine according to the present invention has a weight 21 eccentrically attached to a rotating shaft 20 within a frame 3 formed in the shape of a single machine casing. Two unbalancers 2, 2 provided at least
are installed in a pair of parallel shafts with their rotating shafts 20, 20 parallel to each other, and their rotating shafts 20, 20 are arranged in parallel.
0 and 20 are directly engaged with transmission gears G and G provided on the rotating shafts 20 and 20, respectively, so that the weights 21 and 21 occupy symmetrical positions and rotate synchronously in mutually opposite directions, thereby creating a unit vibration generator u. The unit oscillation device u consisting of the pair of unbalancers 2, 2 is arranged in such a manner that the rotating shafts 20... of each unbalancer 2... are parallel to each other, and the transmission gears G... provided on the respective rotating shafts 20... One rotating shaft of the rotating shafts 20 of a large number of unbalancers 2 arranged in parallel, which are assembled in multiple series and mounted in the frame 3 so that adjacent comrades directly mesh with each other. Since the shaft end portion of 20 is made to protrude from the frame 3 and the input shaft 4 is mounted on the protruding end portion, the number of unbalancers 2 is increased to increase the vibration excitation force. By driving one input shaft 4 protruding from the frame 3 formed in the shape of a single machine casing, the unit vibration generators can be combined into pairs while housed within the single frame 3. Since the unit vibration excitation devices u generate vibrations in the same direction in parallel, the vibration excitation device A
is housed in a single frame 3 suitable for using the agricultural ground working machine d to vibrate, and it is possible to generate vibrations with a large excitation force without producing irregular vibrations.

In addition, this excitation force can be increased simply by increasing the number of unbalancers 2 formed in the same size and shape, without adding any special transmission mechanism.
In addition, the increased number of unbalancers 2 can be assembled by axially mounting them on the frame 3 with their transmission gears G meshed with the transmission gears G of the adjacent unbalancers 2, which makes assembly and manufacturing easier. This makes it possible to obtain an oscillating device with a desired large oscillating force without increasing costs. Furthermore, since the diameter of the weight 21 of the unbalancer 2 can be made small, the excitation force can be increased without significantly increasing the volume of the frame 3 of the excitation device A.

[Brief explanation of the drawing]

Figure 1 is a side view of a vibrating type agricultural ground work machine attached to a tractor, Figure 2 is a perspective view of the unbalancer of the vibration excitation device that vibrates the same vibrating type agricultural ground work machine, and Figure 3 4 is a partially cutaway cross-sectional plan view of the above vibration excitation device, FIG. 4 is a partially cutaway front view of the same vibration excitation device, FIG. 5 is a vertical sectional side view of the same vibration excitation device, and FIGS. 6 and 7. 8 is a partially cutaway plan view of the vibration exciting device according to the present invention, FIG. 9 is a partially cutaway front view of the vibration exciting device according to the above, and FIG. 10 is a partially broken front view of the vibration exciting device according to the above. 11 and 12 are explanatory diagrams of the action of the vibration exciter, FIG. 13 is a partially cutaway plan view of another embodiment of the device, and FIG. 14 is a diagram of the same embodiment as above. A partially broken front view of the device, FIGS. 15 and 16 are explanatory diagrams of the operation of the device according to the above embodiment, FIG. 17 is a partially broken plan view of yet another embodiment device, and FIG. 18 is the same as above. FIG. 19 is a partially cutaway front view of the device of the embodiment; FIG. 19 is a longitudinal sectional side view of the device of the embodiment; FIGS.
FIG. 2 is a front view of a device of a different embodiment, and FIG. 23 is a partially cutaway front view of a device of a further different embodiment. Explanation of drawing symbols, A... Vibration device, G... Transmission gear, T... Tractor, a... Support machine frame, b...
Connection point, c...Rocking machine frame, d...Agricultural ground working machine, e...Linking rod, u...Unit vibration device, 1...
Vehicle body, 10...PTO axis, 11...Top link,
12...Lower link, 13...Lift arm, 2
... Unbalancer, 20 ... Rotating shaft, 21 ...
Weight, 3... Frame, 30, 31... Machine wall, 4
...Input shaft, 40...Universal joint shaft.

Claims (1)

[Scope of Claims] 1. Two unbalancers 2, 2 each having a weight 21 eccentrically arranged around a rotating shaft 20 are installed in a frame 3 formed in the shape of a single machine casing.
20 are parallel to each other and a pair of parallel shafts are mounted, and the rotating shafts 20, 20 are connected to their weights 2.
1 and 21 occupy symmetrical positions and rotate synchronously in opposite directions, the transmission gears G and G provided on the rotation shafts 20 and 20, respectively, are directly meshed to form a unit vibration generating device u, and a pair of unbalancers thereof. 2,2
Each unbalancer 2
The rotating shafts 20... of... are in a parallel posture, and the transmission gears G... provided on the rotating shafts 20... are respectively adjacent to each other and directly mesh with each other. The shaft end of one of the rotating shafts 20 of a large number of parallel unbalancers 2 is made to protrude from the frame 3, and the input shaft 4 is mounted on the protruding end. A vibrating device for a vibrating agricultural ground work machine. 2. The unit vibration generators U are arranged in multiple rows in the horizontal direction with the rotating shafts 20 of each unbalancer 2 in a horizontal position, and the transmission gears G... provided on each of the rotating shafts 20... are adjacent to each other on the left and right. The vibrating device for a vibrating agricultural ground working machine according to claim 1, wherein the vibrating device is assembled so as to directly mesh with each other. 3 The unit vibration generators U are arranged in multiple rows in the vertical direction with the rotating shafts 20 of each unbalancer 2 in a horizontal position, and the transmission gears G... provided on each of the rotating shafts 20... are vertically adjacent to each other. The vibrating device for a vibrating agricultural ground working machine according to claim 1, wherein the vibrating device is assembled so as to directly mesh with each other. 4 The unit vibration excitation devices u are arranged in parallel in multiple rows in the lateral and vertical directions with the rotating shafts 20 of each unbalancer 2 in a horizontal position, and the transmission gears G... provided on the respective rotating shafts 20... are vertically aligned. 2. The vibrating device for a vibrating agricultural ground working machine according to claim 1, wherein the vibrating devices are arranged so that they are directly adjacent to each other on the left and right and are combined so as to directly mesh with each other. 5. The unit vibration excitation devices u are arranged in multiple rows in the horizontal direction with the rotational shafts 20 of each unbalancer 2 aligned in the vertical direction, and the transmission gears G... provided on the respective rotational shafts 20... 2. The vibrating device for a vibrating agricultural ground working machine according to claim 1, wherein adjacent comrades are combined so as to directly mesh with each other. 6. The unit vibration excitation device u is arranged in multiple series in the front-back direction with the rotation axis 20 of each unbalancer 2 aligned in the vertical direction, and the transmission gear G... provided on each of the rotation shafts 20... Claim 1: Adjacent comrades are combined so as to directly mesh with each other.
The vibrating device for the vibrating agricultural ground working machine described above. 7 The unit vibration excitation devices u are arranged in multiple rows in the lateral direction and the front-rear direction so that the rotation shafts 20 of each unbalancer 2 are aligned in the vertical direction, and the rotation shafts 20 of the unbalancers 2 are
2. The vibration excitation device for a vibrating agricultural ground working machine according to claim 1, wherein the transmission gears G provided in each of the transmission gears G are adjacent to each other in the front and rear and left and right directions and are combined so as to directly mesh with each other.