JP5143811B2 - Truck damper - Google Patents

Description

  The present invention relates to a truck damper, and more particularly to a truck damper capable of measuring the load weight of a truck.

  A conventional track damper is described in Patent Document 1. The truck damper includes a platform on which the truck is lifted so that the truck tilts, and a weighing device that measures the weight of the truck placed on the platform. With the loaded truck on the platform, the weighing device measures the truck's weight, lifts and unloads the platform, then lowers the platform and measures the truck's weight again. Can be measured.

Japanese Patent Laid-Open No. 11-20955

  In Patent Document 1, the configuration of the weighing device is not specifically specified. However, when a load cell used for a known track scale is used as the weighing device of this track damper, the platform itself falls down due to the rising and lowering of the platform. There were also problems, such as weak earthquake resistance.

  The present invention has been made to solve such problems, and an object of the present invention is to provide a truck damper that is excellent in stability and earthquake resistance and that can measure the loaded weight of a truck.

Track damper according to the present invention comprises a platform which pivots between a horizontal position and the inclined position, when said platform is in a horizontal position, and the mount table to which the platform is mounted, of the placing location table At least one load cell provided in contact with the lower surface; a mounting table on which the load cell is mounted; and an engagement means for releasably engaging the mounting table with the mounting table. When measuring the weight, the engaging means releases the engagement between the mounting table and the mounting table, and when the load cell does not measure the weight, the engaging means is connected to the mounting table and the front table. Engage with the entry table.
The engaging means may include a pin member that can protrude and a hole member into which the pin member is inserted when the pin member protrudes.
The engaging means may include a pressing member capable of protruding and a contact surface with which the pressing member contacts when the pressing member protrudes.

  According to this invention, since the engaging means engages the mounting table and the mounting table except when the load cell measures the weight, the stability and the earthquake resistance can be improved.

It is a side view which shows the structure of the track damper which concerns on Embodiment 1 of this invention. FIG. 3 is an enlarged side view of the engagement means of the track damper according to the first embodiment. FIG. 6 is an enlarged side view of an engagement unit of a track damper according to a second embodiment. FIG. 10 is an enlarged side view of an engagement unit of a track damper according to a third embodiment.

Embodiments of the present invention will be described below with reference to the accompanying drawings.
Embodiment 1 FIG.
FIG. 1 shows a side view of a track damper according to Embodiment 1 of the present invention. In FIG. 1, the right side is defined as “rear”, the left side is defined as “front”, and the side represented on the front side is defined as “side”. The track damper 1 is provided in a recess 71 that is recessed with respect to the ground 70. The track damper 1 is mounted so as to be in contact with a rectangular plate-like platform 3 on which the loading platform 2 of the truck 6 is placed, a rectangular plate-like placement table 4 on which the platform 3 is placed, and a lower surface 4 a of the placement table 4. Four load cells 5 (only two are shown in FIG. 1) provided at the four corners of the mounting table 4, and two mounting tables 7 mounted on the bottom surface 72 of the recess 71 and mounting the load cell 5, , Four engaging means 8 (only two are shown in FIG. 1) for releasably engaging the mounting table 4 and the mounting table 7, and a telescopic 2 for rotating the mounting table 4. One hydraulic cylinder 9 (only one is shown in FIG. 1). The mounting table 7 has substantially the same length as the width of the platform 3 and extends in the width direction of the platform 3 (perpendicular to FIG. 1). When the platform 3 is in a horizontal posture (a state depicted by a solid line in FIG. 1), the upper surface thereof is flush with the ground 70.

  A support member 10 is provided at the rear end of the platform 3. Two brackets 11 (only one is shown in FIG. 1) provided on the lower surface of the platform 3, and two brackets 12 (only one is shown in FIG. 1) provided at the rear end of the mounting table 4. The platform 3 is connected to the mounting table 4 so as to be rotatable. Further, two lower surfaces 4a of the mounting table 4 have the same length as the mounting table 4 and extend in the width direction of the mounting table 4 (perpendicular to FIG. 1). Frames 14 and 15 are provided perpendicular to the lower surface 4a. Brackets 16 are provided at both ends of the frame 15, and brackets 17 are also provided on both side surfaces of the platform 3. One end of an arm member 18 is connected to the bracket 16 by a connecting pin 19, and the other end of the arm member 18 is connected to the bracket 17 by a connecting pin 20.

  The hydraulic cylinder 9 includes a cylindrical cylinder portion 21 and a piston rod 22 slidably provided inside the cylinder portion 21. A bracket 23 provided on the frame 14 and a bracket 21 a provided on an end of the cylinder portion 21 are connected by a connecting pin 24, and a cylinder receiver 25 provided on the lower surface of the platform 3 and an end portion of the piston rod 22. The bracket 22a is connected to the bracket 22a by a connecting pin 26.

  As shown in FIG. 2A, the mounting table 7 includes an H steel 37 having a length substantially the same as the width of the mounting table 4 and a base plate 31 fixed to the bottom surface 72 with screws 30. The H steel 37 is fixed on the base plate 31. Further, another base plate 32 is fixed to the bottom surface 72 with screws 30 so as to be adjacent to the base plate 31. On the base plate 32, an H steel 33 having the same size as the H steel 37 is fixed. The H steel 33 is provided with a cylindrical main body portion 34a, a pin member 34 including a pin 34b that can slide in the main body portion 34a, and an actuator 35 that slides the pin 34b to protrude from the main body portion 34a. ing. The actuator 35 may be any type of actuator such as an electric type, a hydraulic type, and a compressed air type as long as the pin 34b can be slid. The frame 14 is provided with a cylindrical hole member 36 into which a pin 34b protruding from the main body 34a is inserted. The pin member 34 and the hole member 36 constitute the engaging means 8. Although not shown, a cylindrical hole member 36 is similarly provided in the frame 15 (see FIG. 1).

Next, the operation of the track damper according to the first embodiment will be described.
As shown in FIG. 1, when the truck 6 moves backward to a position where the loading platform 2 of the truck 6 contacts the support member 10, the loading platform 2 is positioned on the platform 3. Next, the traveling portion 29 of the truck 6 is separated from the loading platform 2 and moved, and only the loading platform 2 is placed on the platform 3. The fixing bar member 28 provided on the loading platform 2 is brought into contact with the upper surface of the platform 3 and the loading platform 2 is fixed to the platform 3 by connecting the loading platform 2 and the platform 3 by the wire 27.

  During the above operation, the engaging means 8 is in a state in which the actuator 35 causes the pin 34b to protrude from the main body 34a and the pin 34b is inserted into the hole member 36, as shown in FIG. Yes. In this state, since the base plate 31 to which the H steel 37 is fixed and the base plate 32 to which the H steel 33 is fixed are both fixed to the bottom surface 72, the pin member 34 fixed to the H steel 33 and the frame 14, the mounting table 7 and the frames 14 and 15, that is, the mounting table 7 and the mounting table 4 are connected. Thereby, the stability of the truck damper 1 (see FIG. 1) is improved, and the earthquake resistance is also improved.

  When the operation of fixing the loading platform 2 to the platform 3 is completed, the projection of the pin 34b by the actuator 35 is stopped and the pin 34b is pulled out from the hole member 36, as shown in FIG. As a result, the connection between the mounting table 7 and the mounting table 4 by the engaging means 8 is released, and both are cut off. In this state, the load cell 5 measures the weight of the loading platform 2. After measuring the weight of the loading platform 2, as shown in FIG. 2A, the engaging means 8 again brings the mounting table 7 and the mounting table 4 into a connected state.

  Next, as shown in FIG. 1, when the piston rod 22 extends from the cylinder portion 21 of the hydraulic cylinder 9, the platform 3 places the loading table 2 and places the mounting table around the connecting pin 13. 4 is rotated. Then, the platform 3 is in an inclined posture (indicated by a two-dot chain line in FIG. 1) at an arbitrary angle greater than 0 ° and less than 90 ° with respect to the horizontal posture. Then, since the loading platform 2 fixed to the platform 3 is also inclined, the load on the loading platform 2 is discharged from the loading platform 2.

  After the discharge of the load from the loading platform 2 is completed, the piston rod 22 slides into the cylinder portion 21 of the hydraulic cylinder 9 and the hydraulic cylinder 9 contracts, so that the platform 3 rotates in the opposite direction and takes a horizontal posture. Return. Next, as shown in FIG. 2B, the engaging means 8 releases the connection between the mounting table 7 and the mounting table 4, and in this state, the load cell 5 measures the weight of the loading table 2. Thereby, since the weight of the loading platform 2 before and after discharge | releasing the loading material from a loading platform was measured, the weight of the loading material of the loading platform 2 is calculated from these differences. After measuring the weight of the loading platform 2, as shown in FIG. 2A, the engaging means 8 again brings the mounting table 7 and the mounting table 4 into a connected state.

  Next, as shown in FIG. 1, the fixation of the loading platform 2 to the platform 3 is released by releasing the contact of the fixing rod member 28 to the platform 3 and removing the wire 27. Thereafter, the traveling portion 29 and the loading platform 2 are connected, and the loading platform 2 is moved from the platform 3.

  Thus, except when the load cell 5 measures the weight of the loading platform 2, the engaging means 8 engages the loading table 7 and the loading table 4, so that the stability and the earthquake resistance of the track damper 1 are improved. be able to.

In the first embodiment, the pin member 34 is fixed to the H steel 33 and the hole member 36 is fixed to the frames 14, 15. However, the present invention is not limited to this mode. The pin member 34 may be fixed to the frames 14 and 15 while being fixed. Further, the pin member 34 and the actuator 35 may be provided on the H steel 37 instead of the H steel 33.
In the first embodiment, only the loading platform 2 is placed on the platform 3, but the truck 6 may be placed on the platform 3.

Embodiment 2. FIG.
Next, a track damper according to Embodiment 2 of the present invention will be described. In the following embodiments, the same reference numerals as those in FIGS. 1 and 2 are the same or similar components, and thus detailed description thereof is omitted.
The track damper according to the second embodiment of the present invention is obtained by changing the arrangement positions of the pin member 34 and the hole member 36 of the engaging means 8 with respect to the first embodiment.

  As shown in FIG. 3A, the frame 14 is provided with a pin member 34 and an actuator 35. The pin member 34 is provided in a direction in which the pin 34 b protrudes toward the bottom surface 72. Below the frame 14, a hole member 36 is provided on a base plate 32 fixed to the bottom surface 72 with screws 30. Although not shown, the pin member 34 and the actuator 35 are similarly provided on the frame 15 (see FIG. 1), and the hole member 36 is similarly provided below the frame 15. Other forms are the same as those of the first embodiment except that the H steel 33 (see FIG. 2) is not provided.

  When the actuator 35 provided on the frames 14 and 15 causes the pin 34b to protrude from the main body 34a, the pin 34b is inserted into the hole member 36. Thereby, the mounting table 7 (see FIG. 1) and the mounting table 4 (see FIG. 1) are coupled on the same principle as in the first embodiment. On the other hand, as shown in FIG. 3B, when the projection of the pin 34b by the actuator 35 is stopped and the pin 34b is pulled out from the hole member 36, the mounting table 7 (see FIG. 1) and the mounting table by the engaging means 8 are used. 4 (see FIG. 1) is released, and both are cut off.

  When the track damper 1 (see FIG. 1) is operated in the same manner as in the first embodiment, the mounting table 7 (see FIG. 1) and the mounting table 4 (see FIG. 1) by the engaging means 8 are used at the same timing. By connecting and releasing the connection, the stability and the earthquake resistance of the truck damper 1 can be improved.

  In the second embodiment, the pin members 34 are provided on the frames 14 and 15 and the hole members 36 are provided below the frames 14 and 15. However, the present invention is not limited to this embodiment. The member 36 may be provided and the pin member 34 may be provided below the frames 14 and 15.

Embodiment 3 FIG.
The track damper according to the third embodiment of the present invention is obtained by changing the form of the engaging means 8 with respect to the first embodiment.

  As shown in FIG. 4A, the H steel 33 is provided with a pressing member 44 including a cylindrical main body 44 a and a pin 44 b slidable within the main body 44 a by the actuator 35. The frame 14 has a contact surface 46 with which the end surface of the pin 44b contacts. Here, the pressing member 44 and the contact surface 46 constitute the engaging means 8 '. Although not shown, the frame 15 (see FIG. 1) also has a contact surface 46 in the same manner. Other configurations are the same as those of the first embodiment.

  When the actuator 35 provided on the H steel 33 projects the pin 44b from the main body 34a, the pin 44b is brought into contact with the contact surface 46. Thereby, the mounting table 7 (see FIG. 1) and the mounting table 4 (see FIG. 1) are coupled on the same principle as in the first embodiment. On the other hand, as shown in FIG. 4B, when the projection of the pin 44b by the actuator 35 is stopped and the pin 44b is separated from the contact surface 46, the mounting table 7 (see FIG. 1) by the engaging means 8 ′ is mounted. The connection with the table 4 (see FIG. 1) is released, and both are cut off.

  When the track damper 1 (see FIG. 1) is operated in the same manner as in the first embodiment, at the same timing, the placing table 7 (see FIG. 1) and the placing table 4 (see FIG. 1) by the engaging means 8 ′. Are connected to each other, and the connection is released and the stability and the earthquake resistance of the truck damper 1 can be improved.

  In the third embodiment, the frames 14 and 15 have the contact surfaces 46 and the pressing member 44 is provided on the H steel 33. However, the present invention is not limited to this configuration, and the pressing members 44 are not attached to the frames 14 and 15. The H steel 33 may be provided with the contact surface 46 while being provided. Further, the pressing member 44 and the actuator 35 may be provided not on the H steel 33 but on the H steel 37.

  1 Track damper, 3 platform, 4 mounting table, 4a bottom surface (loading table), 5 load cell, 7 mounting table, 8, 8 'engaging means, 34 pin member, 36 hole member, 44 pressing member, 46 Tangent.

Claims (3)

A platform that rotates between a horizontal posture and an inclined posture;
A mounting table on which the platform is mounted when the platform is in a horizontal position;
At least one load cell provided in contact with the lower surface of the mounting table ;
A mounting table for mounting the load cell;
Engaging means for releasably engaging the mounting table and the mounting table.
When the load cell measures the weight, the engaging means releases the engagement between the mounting table and the mounting table, and when the load cell does not measure the weight, the engaging means is described above. A track damper that engages the mounting table with the mounting table. The engaging means includes
A projecting pin member;
The track damper according to claim 1, further comprising a hole member into which the pin member is inserted when the pin member protrudes. The engaging means includes
A pressing member capable of protruding;
The track damper according to claim 1, further comprising a contact surface with which the pressing member contacts when the pressing member protrudes.

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