JP2001258418A - Fodder-conveying apparatus and structure for regulating tension of disk cable - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fodder-conveying apparatus capable of constantly imparting a prescribed tension to a disk cable, and capable of precisely driving the disk cable with a driving pulley, and further to provide a structure for regulating the tension of the disk cable. SOLUTION: The structure 21 for regulating the tension of the disk cable, regulated so that the prescribed tension may be constantly urged to the disk cable by loading a load corresponding to the weight of a weight 28, is arranged in the fodder-conveying apparatus.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a feed transport apparatus and a disk cable for delivering feed from a feed hopper to a plurality of feeders via a pipe by running a disk cable connected endlessly in a pipe. The present invention relates to a disk cable tension adjusting mechanism for appropriately adjusting the tension of the disk cable.

[0002]

2. Description of the Related Art Conventionally, as a feed transportation device provided with a pipe, a disk cable 102 connected endlessly is inserted into a pipe 103 as shown in FIG.
By pushing the disc cable 102 in the direction of the arrow x by 4, the feed fed from the feed hopper 105 between the discs 102 b of the disc cable 102 is transported and delivered to the feeder 107 via the feed drop tube 106. A cable-type feed transport device 101 is known. Here, the disk cable 102 is connected to a flexible wire 102a as shown in FIG.
b are fixed at predetermined intervals. And the pipe 10
In the corner portion 103a where 3 is bent at a substantially right angle in the vertical or horizontal direction, the conveyance resistance is large, and in order to reduce this,
As shown in FIG. 7, a corner joint 108 having a built-in wheel is provided in the corner portion 103a.

As shown in FIG. 9, a driving device 104 has a driving pulley 110 provided in a housing 109, and a disk cable 102 is wound around the driving pulley 110,
The drive cable 111 is driven by the drive motor 111 to drive the disk cable 102. Here, a floating pulley 122 is provided in the housing 109 so that the disk cable 102 is always tensioned without being relaxed and can be reliably driven by the drive pulley 110.
And the floating pulley 122 also has a disk cable 1
02, the floating pulley 122 is constantly pulled by a tension spring 123, and a disk cable tension adjusting mechanism 121 for appropriately adjusting the tension of the disk cable 102 is configured.

On the other hand, as shown in FIG. 10, a corner joint 158 composed of a curved pipe having a relatively large radius of curvature is provided at the corner 153a in order to oppose a large conveyance resistance at the corner 153a. Fifteen
There is also known a feed conveying device 151 in which a plurality of relatively small horsepower driving devices 154 are provided immediately before 3a.

[0005] As shown in FIG.
A driving pulley 160 and a driven pulley 16 are provided in a housing 159.
The disk cable 102 is run by driving the drive pulley 160 by a drive motor 162 by wrapping the disk cable 102 around the drive pulley 160. Here, the housing 159 is provided so that the disk cable 102 is always tensioned without being relaxed and can be reliably driven by the drive pulley 160.
A floating pulley 172 is disposed inside the floating pulley 172.
Also, a disk cable tension adjusting mechanism 171 that hangs around the disk cable 102, constantly pulls up the floating pulley 172 by the compression spring 173, and appropriately adjusts the tension of the disk cable 102 is configured.

[0006]

However, the corner portion 1
Corner joint 108 with built-in wheel on 03a
And a disk cable tension adjusting mechanism 12 that pulls the floating pulley 122 by a tension spring 123.
In the configuration of No. 1, the length of the disk cable 102 increases due to long-term use, and when the expansion exceeds a predetermined length, the disk cable 102 relaxes and the tension spring 123 contracts. The predetermined tension cannot be applied to the disk cable 102. If left in this state, the disk cable 102 cannot be reliably run by the drive pulley 110, or in the worst case, the disk cable 102 may be detached from the drive pulley 110, and the disk cable 102 may run at all. I can no longer do it. Therefore, after use for a predetermined period, the pipe 103 must be once separated, and the disk cable 102 must be cut off to an appropriate length so that a predetermined tension can be applied.

[0007] Further, as shown in FIG.
2 is cantilevered by the support member 124 and the support shaft 122a, so that the support shaft 122a of the floating pulley 122
May be slightly displaced, and after a long period of use, the floating pulley 122 may not be able to be reliably pulled, or the floating pulley 122 may not rotate smoothly. Further, since the elastic force of the tension spring 123 is changed in direction by the two pulleys 126 and 126 via the wire 125 and transmitted to the floating pulley 122, the elastic force of the tension spring 123 in the contact portion with the two pulleys 126 and 126 In some cases, the elastic force is remarkably reduced due to the resistance force, or the pulleys 126, 126 do not rotate due to long-term use, so that the elastic force cannot be applied.

On the other hand, a plurality of drive units 154 having relatively small horsepower are provided immediately before each corner portion 153a, and a disk cable tension adjusting mechanism 171 for pushing up a floating pulley 172 by a compression spring 173 is provided. Even if the length of the disk cable 102 is increased due to long-term use, a plurality of disk cable tension adjusting mechanisms 17 are provided.
By adjusting the pressing force of the compression spring 173 in step 1, a predetermined tension can be applied to the disk cable 102. However, since a plurality of drive units 154 each including the disk cable tension adjusting mechanism 171 are provided, the cost of the feed transportation unit 151 becomes extremely high. In addition, since the disk cable 102 is driven by the plurality of driving devices 154, minute vibrations are severe in both the length direction and the diameter direction of the disk cable 102, and the noise is also severe. Further, since the tension is adjusted by the plurality of disk cable tension adjusting mechanisms 171, a large amount of labor and time are required for the tension adjusting operation.

Further, as shown in FIG.
60, since the contact angle between the driven pulley 161 and the disk cable 102 is relatively small, the disk cable 102 tends to come off particularly at the driven pulley 161 on the slack side, and the driving force of the drive motor 162 may not be transmitted. , Drive pulley 160, driven pulley 16
A switch for detecting idle rotation of the motor 1 is arranged, and when the idle rotation is detected, the drive motor 162 is stopped. Then, it is necessary to hang the disk cable 102 around the driving pulley 160 and the driven pulley 161.

SUMMARY OF THE INVENTION The present invention has been made to solve the problems in the conventional feed conveying device and the conventional disc cable tension adjusting mechanism. Feed transport that can always apply a predetermined tension to the disk cable without cutting the length to a suitable length or requiring a great deal of labor and time for the tension adjustment work, and can reliably drive the disk cable by the drive pulley. It is an object to provide a device and a disk cable tension adjusting mechanism.
It is another object of the present invention to provide a feed transport device and a disk cable tension adjusting mechanism which do not increase the cost of the feed transport device, do not generate noise due to minute vibration of the disk cable, and do not require a special detection mechanism. And

[0011]

In order to achieve the above-mentioned object, in the feed transportation device of the present invention, a predetermined tension is always applied to the disk cable by applying a load corresponding to the weight of the weight. A disk cable tension adjusting mechanism is provided.

Here, the disk cable tension adjusting mechanism may have a structure in which a floating pulley built in the driving device is pulled by a weight via a wire.

[0013] The disk cable tension adjusting mechanism may be configured so that the outer pipe slidable on the inner pipe is pulled by a weight via a wire.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of a feed transport device and a disk cable tension adjusting mechanism of the present invention will be specifically described below with reference to the drawings.

FIG. 1 is an overall perspective view showing one embodiment of the feed transport device of the present invention. Like the conventional feed transport device, the feed transport device 1 includes a plurality of feeders 7, 7,... Via feed drop tubes 6, 6,. , And a drive device 4 that is inserted into the pipe 3 and allows the disk cable 2 connected endlessly to travel in the direction of the arrow x. A feed inlet 5a is formed at a lower end of the feed hopper 5, and a feed drop 6a is formed at a lower end of the feed drop tube 6. Feed is fed into the pipe 3 from the feed inlet 5a. Is fed to the feeder 7 from the feed fall opening 6a. As shown in FIG. 2, the disk cable 2 has a structure in which disks 2b are fixed at predetermined intervals to flexible wires 2a, as shown in FIG. A corner joint 3 incorporating a wheel is provided at a corner 3a where the pipe 3 is bent at a substantially right angle in the vertical or horizontal direction.

The feed transport device 1 is characterized by a disk cable tension adjusting mechanism 21 provided in the drive unit 4. The driving device 4 is, as shown in FIG.
The drive pulley 10 is disposed in the
0 and the drive cable 11
By driving the drive pulley 10 by means of, the disk cable 2 is run.

The disk cable tension adjusting mechanism 21 includes a floating pulley 22 provided in the housing 9, supporting members 23 and 24 for supporting the floating pulley 22 at both ends, and sliding and guiding the supporting members 23 and 24. Guide members 25 and 26 to be
The floating pulley 22 includes a support member 23 and a weight 28 that pulls the floating pulley 22 through a wire 27. The support member 23 is
A guide member 2 is provided on the back surface of the L-shaped plate member 23a having one end bent.
5 is secured to the engaging member 23b. The support member 24 has a hook-shaped engaging member 24b that engages with the guide member 26 fixed to the upper end of the hanging rectangular plate 24a. Both ends of the support shaft 22a of the floating pulley 22 are fixed to the left end of the L-shaped plate 23a and the lower end of the rectangular plate 24a. The guide members 25 and 26 extend in a direction in which the floating pulley 22 is pulled, and are fixed to appropriate positions of the housing 9 at both ends. Weight 28
Has one end of a wire 27 fixed to the upper surface thereof, and is hung down from the housing 9. The wire 27 is guided by the pulley 29, is changed in direction, is inserted into the housing 9, and is inserted into the L-shaped plate member 23 a. The other end is fixed to the right end.

Therefore, the floating pulley 22 always has the weight 28
And a predetermined tension is constantly applied to the disk cable 2 wound around the floating pulley 22. Then, even if the length of the disk cable 2 is extended due to long-term use, the supporting members 23, 24 slide along the guide members 25, 26, that is, the floating pulley 22 moves, and the weight 28 , The load corresponding to the weight of the weight 28 is always applied to the floating pulley 22, and a predetermined tension is constantly applied to the disk cable 2.

As described above, according to the disk cable tension adjusting mechanism 21, the load is always automatically applied to the floating pulley 22 by the weight of the weight 28, so that the disk cable 2 is always biased to a predetermined tension. As a result, the disk cable 2 does not come off from the drive pulley 10 and the disk cable 2 cannot be run. And, needless to say, it is not necessary to cut off the disk cable 2 to an appropriate length.

The floating pulley 22 is provided with support members 23, 2
4 to support the floating pulley 22
Does not substantially displace, and even after long-term use, the floating pulley 22 cannot be reliably pulled, and the floating pulley 22 does not rotate smoothly. Further, the gravity of the weight 28 is applied to the wire 2
7, the direction is changed by only one pulley 29 and transmitted to the idle pulley 22. Therefore, the load decreases due to the resistance at the contact portion with the pulley 29, or the pulley 29 rotates due to long-term use. There is no possibility that the elastic force cannot be given due to the failure.

FIG. 3 is an overall perspective view showing another embodiment of the feed transport device of the present invention. In the feed transporting device 51, similarly to the conventional feed transporting device, a corner joint 58 formed of a curved pipe having a relatively large radius of curvature is disposed at a corner 53a where the pipe 53 is bent at a substantially right angle in a vertical or horizontal direction. It is. In addition, a driving device 54 having relatively small horsepower and a disk cable tension adjusting mechanism 71 are disposed in the straight portion of the pipe 53 immediately after the corner portion 53a. In addition, the structures of the disc cable 2, feed hopper 55, feed drop tube 56, feeder 57, and the like are the same as those of the feed transport device 1 of FIG.

The characteristics of the feed transportation device 51 are as follows.
The disk cable tension adjusting mechanism 71 is provided separately from the driving device 54. The drive device 54 has a drive pulley 60 disposed in a housing 59 as shown in FIG. 4. The drive pulley 60 is brought into contact with the disk cable 2 and the drive motor 61 drives the drive pulley 60. , And has a very simple structure that only allows the disk cable 2 to run.

As shown in FIG. 5, the disc cable tension adjusting mechanism 71 supports the inner pipe 72 and the outer pipe 73, which are abutted on the inner and outer peripheral surfaces and are slidable, and the inner pipe 72 and the outer pipe 73. Frame 74 and outer pipe 73
And a weight 77 that pulls the outer pipe 73 via the locking member 75 and the wire 76. The support frame 74 has support plates 79, 79, 79 erected on a support base 78 at appropriate intervals. Each support plate 79, 79, 79 is provided with a pipe fitting insertion hole 79a, and the support plate 79, 79 near the weight 77 is provided with a wire insertion hole 79b.
A pulley 80 is rotatably supported on a support plate 79 closest to the weight 77. The weight 77 has one end of the wire 76 fixed to a hanging bracket 77a fixed to the upper surface, and is suspended from the support frame 74. The wire 76 is guided by the pulley 80 to change the direction, and the wire insertion hole is formed. 7
9b, and the other end is fixed to the locking member 75.

Therefore, a load corresponding to the weight of the weight 77 is always applied to the outer pipe 73, and the pipe 53 is pulled so that the length is always extended. A predetermined tension is constantly applied to the cable 2 relatively. Then, even when the length of the disk cable 2 is increased due to long-term use, the outer pipe 73 slides along the inner pipe 72, that is, the length of the pipe 53 is increased, and the position of the weight 77 is changed. Since the outer pipe 73 is only lowered, a load corresponding to the weight of the weight 77 is always applied to the outer pipe 73, and a predetermined tension is constantly applied to the disk cable 2.

As described above, according to the disk cable tension adjusting mechanism 71, the length of the pipe 53 is automatically extended by the weight of the weight 77 so that the length of the pipe 53 is always extended. Is biased, and the tension adjustment operation does not require much labor and time. Since the driving device 54 does not include the disk cable tension adjusting mechanism 71, the cost of the feed transportation device 51 is extremely low, and
Of the drive unit 5 immediately after the corner 53a
Since the disk cable 2 and the disk cable tension adjusting mechanism 71 are provided, minute vibrations in the length direction and the diameter direction of the disk cable 2 are greatly reduced, and almost no noise is generated.

The driving device 54 has a very simple structure in which the disk cable 2 is only brought into contact with the driving pulley 60.
Does not come off. Therefore, there is no need for a switch or the like for detecting that the drive pulley 60 has run idle.

In the disk cable tension adjusting mechanism 71 shown in FIG. 5, a support frame 74 is provided and two weights 77 are provided. However, as shown in FIG. A disk cable tension adjusting mechanism 91 having a supporting member 92 for supporting the outer pipe 73, a locking member 94, and a single weight 96 for pulling the outer pipe 73 via a wire 95 may be configured. Here, the support member 92 is formed by bending both ends of the bar at substantially right angles, one end 92a is fixed to the outer peripheral surface of the inner pipe 72, and the other end 92b is formed of a guide member 93 having a tubular shape. The outer pipe 73 is fixed to the outer peripheral face, and the outer peripheral face of the outer pipe 73 is brought into contact with the inner peripheral face of the guide member 93 so that the outer pipe 73 is slidable. One end of the wire 95 has a weight 96
A locking member fixed to a suspending member 96a fixed to the upper surface of the outer pipe 73 and guided by a pulley 97 rotatably supported by a guide member 93 to change the direction, and the other end fixed to the tip of the outer pipe 73. 94.

The load corresponding to the weight of the weight 96 is always applied to the outer pipe 73 by the disk cable tension adjusting mechanism 91, and the pipe 53 is pulled so as to always extend. The disk cable 2 inserted therein is constantly urged with a predetermined tension. And, even if the length of the disk cable 2 is increased due to long-term use,
Since the outer pipe 73 slides along the inner pipe 72, that is, the length of the pipe 53 is increased and the position of the weight 96 is merely lowered, the outer pipe 73 always corresponds to the weight of the weight 96. As a result, a predetermined tension is applied to the disk cable 2 at all times.

[Brief description of the drawings]

FIG. 1 is an overall perspective view of one embodiment of a feed transport device of the present invention.

2A is a partially cutaway front view of a driving device used in the feed transport device of FIG. 1, and FIG. 2B is a side sectional view.

FIG. 3 is an overall perspective view of another embodiment of the feed transport device of the present invention.

FIG. 4 is a front sectional view of a driving device used in the feed transportation device of FIG. 3;

FIG. 5 is a perspective view of a main part of a disk cable tension adjusting mechanism used in the feed transportation device of FIG. 3;

FIG. 6 is a sectional view of a main part of a disk cable tension adjusting mechanism used in the feed transportation device of FIG. 3;

FIG. 7 is an overall perspective view of one embodiment of a conventional feed transport device.

FIG. 8 is a front view of a part of the disk cable.

9A is a partially cutaway front view and FIG. 9B is a side cross-sectional view of a driving device used in the feed transportation device of FIG.

FIG. 10 is an overall perspective view of another embodiment of the conventional feed transport device.

FIG. 11 is a front sectional view of a driving device used in the feed transportation device of FIG. 10;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Feed feeder 2 Disc cable 3 Piping 4 Drive 21 Disc cable tension adjusting mechanism 22 Idle pulley 27 Wire 28 Weight 51 Feed transporter 71 Disk cable tension adjusting mechanism 72 Inner pipe 73 Outer pipe 76 Wire 77 Weight

Claims (5)

[Claims] In a feed transporting device for transporting feed by running a disk cable connected endlessly in a pipe connected endlessly, a load corresponding to the weight of a weight is applied to the feeder to constantly feed the disk cable. A feed transport device, comprising a disk cable tension adjusting mechanism for applying a predetermined tension. 2. The disk cable tension adjusting mechanism,
2. The feed transport device according to claim 1, wherein the floating pulley incorporated in the drive device is pulled by a weight via a wire. 3. The disk cable tension adjusting mechanism,
The feed conveying apparatus according to claim 1, wherein the outer pipe slidable on the inner pipe is pulled by a weight via a wire. 4. A disk cable tension adjusting mechanism, wherein a floating pulley incorporated in a driving device is pulled by a weight via a wire. 5. A disk cable tension adjusting mechanism, wherein an outer pipe slidable on an inner pipe is pulled by a weight via a wire.