JPH0647285U - Cargo attitude control device - Google Patents

Abstract

(57) [Summary] [Purpose] A dedicated worker for controlling the posture of the transported object is not required, and only one driver such as a backhoe or a crane can accurately guide the transported object to the intended place, and Ensure safety. [Construction] The transported object attitude control device 1 includes a cylinder 7 for horizontally rotating a hand 8 for holding a concrete block 2, a motor 17, and a housing 18 for housing these.
And a connecting portion 4 for connecting the housing 18 to a construction machine such as a backhoe or a crane, and a motor 17 to supply a power source and supply a right rotation instruction signal or a left rotation instruction signal while transmitting the posture of the concrete block 2. Operation unit 11 for controlling
It is characterized by having and.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a cargo posture control device for controlling the posture of a cargo such as a concrete block.

[0002]

[Prior art]

 Conventionally, in construction work and civil engineering work, in order to move heavy objects such as concrete blocks from a place to a desired place, in addition to using a dedicated transport machine, transporting construction machinery used for excavation etc. It was also used as a machine. That is, a hydraulic device was attached to the bucket of the backhoe and a heavy object was hung by the hand, and the operator of the backhoe moved the bucket up, down, left and right to transport the concrete block to the intended place. This is sufficient for a simple linear movement of the load, but under the complicated conditions of the construction site, the backhoe driver can be joined by another worker to accurately position the load at the destination. Was. For example, in the work of embedding concrete blocks on the wall surface of the road, to grasp the concrete blocks before the embedding, transport the concrete blocks to the wall surface of the road, and arrange the concrete block rows along the direction of the road. To do this, subtle position adjustments must be made, especially horizontal rotation of the hand to the left and right. For this reason, another worker accompanied the hand and rotated it by hand to control its posture and guide the concrete block to the desired location. The same was true when transporting goods by forklift.

[0003]

[Problems to be solved by the device]

 However, the need for a dedicated worker at the construction site, etc. significantly reduced the work efficiency of civil engineering work. In addition, when the transported object is a heavy object, there is a problem in terms of safety, such as a heavy object falling or a heavy object colliding with an operator. Furthermore, the connection work to attach a special hydraulic device that makes it possible to move the transported object to the backhoe etc. is not performed easily, and the installation work requires time and cost problems, and the range of construction machines that can be connected is also limited. Was there.

The object of the present invention is to eliminate the need for a dedicated worker for controlling the posture of a conveyed object, and to accurately guide the conveyed object to a desired place with only one driver such as a backhoe or a crane. It is an object of the present invention to provide a transportation attitude control device that ensures work safety, is extremely easy to install, and has a wide range of applications and excellent cost efficiency.

[0005]

[Means for Solving the Problems]

 The present invention relates to a rotating part for horizontally rotating a hand for grasping a transported object, a housing for housing the rotating part, a connecting part for connecting the housing to a carrying machine, and a connecting part for connecting the rotating part. A gist of a conveyed object posture control device is provided, which is provided with an operation unit for controlling a posture of a conveyed object by supplying a right rotation command signal or a left rotation command signal while supplying power.

[0006] Further, a gist of a conveyed object posture control device is characterized in that a shock absorber is interposed between the rotating portion and the hand and connected.

[0007]

[Action]

 In addition to the posture control of the transported object by operating the lever in the driver's seat such as the backhoe, the transported object can be rotated clockwise or counterclockwise around the vertical axis by operating the operation unit, so the posture control of the transported object is extremely easy. Easy and accurate. Therefore, a dedicated worker for guiding the transported goods is not required, and the transported goods can be accurately guided to the intended place by only one driver such as a backhoe or a crane. In addition, work safety is improved because no dedicated worker is required to guide the transported goods. Also, because the rotating part is rotated clockwise or counterclockwise around the vertical axis by the power supply from the backhoe, crane, etc. and the command signal from the operating part, a special hydraulic pressure for rotating the hand is used. There is no need to install the device. Therefore, it is extremely easy to attach the cargo attitude control device to a construction machine or the like. In addition, construction machines widely used for construction work such as backhoes and cranes can be easily used as transportation machines. Therefore, it can be applied to all construction sites and indoor operations, and is extremely economical.

[0008]

【Example】

 Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a state diagram in which a conveyed object attitude control device 1 (hereinafter, simply referred to as control device 1) of the first embodiment is applied to a backhoe 3 that conveys a concrete block 2 called a Seki block. The backhoe 3 originally excavates the ground, etc., but is also used to carry the concrete block 2 by mounting the control device 1 as shown in the figure. The universal hoist ring 4 and the bucket 5 of the control device 1 are connected by a wire 6. Then, the rotating shaft 7 of the control device 1 and the hand 8 are connected by a shackle 9. The hand 8 can grasp and release the concrete block 2.

Next, a procedure for transporting the concrete block 2 to a target place will be described. First, the hands 8 are brought close to each other so as to surround the plurality of concrete blocks 2 arranged in a line, and when the hands 8 are subsequently placed on the ground, the bar 10 at the lower end of the hands 8 is opened by its reaction. That is, the hand 8 has a structure in which neither hydraulic pressure nor electricity is used for opening and closing the hand 8. Then, when the hand 8 is pulled up, the bar 10 is tightened and comes into contact with the concave portion of the concrete block 2. When the driver lifts the bucket 5, the hand 8 lifts the concrete block 2. In this way, the plurality of concrete blocks 2 are gripped by the bar 10 in a state of being aligned vertically and vertically. Next, as shown in Fig. 2, the concrete block 2 is transported to the construction site on the wall surface of the road and placed along the road at a predetermined location on the ground. The bar 10 of the hand 8 is opened by the recoil when the concrete block 2 is placed on the ground, and the hand 8 is separated from the concrete block 2. Then, the transportation work is completed once, and then the next concrete block is returned to be picked up. In this way, the transportation work is repeated. The concrete block 2 carried to the construction wall is piled up on the road wall while being filled with rubble between the construction wall and the concrete block 2 formed on the road wall while being fixed with concrete.

Next, the operation unit 11 of the control device 1 of the present invention will be described. As shown in FIG. 3, the operation unit 11 is movably installed on the driver's seat of the backhoe 3 and is provided with a right rotation command button 12 and a left rotation command button 13. While the driver depresses these command buttons 12 and 13, a right rotation command signal or a left rotation command signal is generated and these signals are output to the control device 1 through the cable 11A. Further, the backhoe 3 is provided with a DC power source (not shown), and the DC power source is supplied to the control device 1 through the cable 11A. In this way, the control device 1 rotates the concrete block 2 clockwise or counterclockwise about the horizontal axis in proportion to the pressing time of the button of the operation unit 11. Further, by operating the known lever 14 in the driver's seat, the bucket 5 can be linearly moved to the left, right, front and rear, and up and down, and the driver's seat itself can be rotated. In this way, accurate posture control of the concrete block 2 becomes possible. In addition, the backhoe 3 can be moved forward and backward by the caterpillar, and moves the concrete block 2 to the target wall construction site on the side of the road (see Fig. 2). In addition, 15 is a parking brake.

Next, the structure of the main body of the control device 1 will be described with reference to FIGS. 4 to 9. The main body of the control device 1 includes a rotary shaft 7 for rotating the hand 8 for gripping the concrete block 2 about a vertical axis, a motor 17 for rotating the rotary shaft 7, a housing 18 for fixing these, and a wire 6. It is composed of a swivel hoist ring 4 which is rotatably suspended from a bucket 5 via the hoist ring 4. Further, the rocking restraint bar 20 is connected to the lower end of the housing 18 to prevent the hand 8 and the concrete block 2 from rocking. The cylindrical motor 17 projects horizontally forward from the side surface of the upper right portion of the housing 18, and rotates around the horizontal axis in response to the right rotation command signal or the left rotation command signal received from the operation unit 11 via the cable 11A. Rotate right or left. FIG. 8 is a plan view showing the internal structure of the housing 18 and the like. The output shaft 21 of the motor 17 is fixed to the rotary shaft 22 of the motor 17 by means of a screw, and the rotary shaft 22 has two bearings 23. Supported by. The rotation of the motor 17 is transmitted via a worm 24 to a worm gear 25 provided around the upper portion of the rotary shaft 7. Further, the rotary shaft 7 is provided so as to be rotatable relative to the housing 18. Therefore, the rotation of the motor 17 about the horizontal axis is decelerated and converted into the rotation of the rotating shaft 7 about the vertical axis.

Since the rotating shaft 7 is rotatably connected to the hand 8 via the shackle 9, the rotation of the rotating shaft 7 is transmitted to the hand 8 via the shackle 9 and the rotating shaft 7 rotates integrally with the hand 8. As a result, the concrete block 2 held by the hand 8 is rotated. The rotation amount of the concrete block 2 may be half rotation or more than one rotation, and can be controlled to any rotation speed according to a command from the operation unit 11.

FIG. 9 is a front view of the second embodiment of the present invention, in which the control device 31 is applied to a forklift. In order to absorb the impact generated when the load is landed on the ground by the forklift, the shock absorber 26 is rotatably connected via the connecting portion 27, and the shock is absorbed by the spring 28 of the shock absorber 26. Is configured. The connecting portion 29 at the lower end of the shock absorber 26 allows the transported object to be freely moved via the hand 8 or the like.

It goes without saying that various embodiments can be taken without departing from the scope of the present invention. For example, the structure of the hand is not limited to the embodiment, and various structures such as hollow concrete blocks and concrete blocks for shelves can be adopted according to various shapes. Also, the carrier is not limited to forklifts, cranes, backhoes, etc., and can be applied to any carrier as long as it has a moving function. In addition, the rotation of the motor can be directly transmitted to the hand without using a worm or a cylinder. Further, instead of suspending the control device with a wire on the bucket, the control device may be fixed to the bucket. In addition, shock absorbers may be mounted below or above the housing.

[0015]

[Effect of device]

 In addition to the posture control of the load by operating the lever on the driver's seat such as the backhoe, the load can be rotated clockwise or counterclockwise about the vertical axis by the operation unit. Attitude control becomes extremely easy and accurate. Therefore, a dedicated worker for guiding the cargo is not required, and the cargo can be accurately guided to the intended place by only one driver such as a backhoe or a crane. In addition, work safety is improved because no dedicated worker is required to guide the cargo. In addition, since the rotating part rotates clockwise or counterclockwise around the vertical axis in response to a command signal from the operation part and power supply from a DC power source such as a backhoe, a crane, etc., it is special for rotating the hand. No need to install the hydraulic system. Furthermore, since the backhoe, crane, etc. that are commonly used at construction sites can be easily used, no special hydraulic equipment connection work is required. Therefore, it is also effective for cranes and hawk lifts in factories that transport backhoes and heavy objects at almost all construction sites, the range of application is very wide, and the economy is excellent.

[Brief description of drawings]

FIG. 1 is an overall view showing how a concrete block is transported by mounting a transported object attitude control device of a first embodiment of the present invention on a backhoe.

FIG. 2 is an overall view showing how a concrete block is transported to a side construction site.

FIG. 3 is a diagram showing an internal structure of a driver's seat of a backhoe.

FIG. 4 is a front view of the first embodiment of the present invention.

FIG. 5 is a rear view of the first embodiment of the present invention.

FIG. 6 is a right side view of the first embodiment of the present invention.

FIG. 7 is a plan view of the first embodiment of the present invention.

FIG. 8 is a plan view of the first embodiment showing the internal structure of the control device of the present invention.

FIG. 9 is a front view of a second embodiment of the present invention. 1 Transported goods attitude control device 2 Concrete block 3 Backhoe 4 Free hoist ring 5 Bucket 6 Wire 7 Rotating shaft 8 Hand 9 Shackle 10 Bar 11 Operating part 12 Right rotation command button 13 Left rotation command button 14 Lever 17 Motor 18 Housing 20 Swing Suppression bar 21 Output shaft 22 Rotational shaft 23 Bearing 24 Worm 25 Worm gear 26 Shock absorber 27 Connection part 28 Spring 29 Connection part 31 Transported goods attitude control device

Claims (2)

[Scope of utility model registration request] 1. A rotating part for horizontally rotating a hand for grasping a transported object, a housing for housing the rotating part, a connecting part for connecting the housing to a carrying machine, and a connecting part for connecting the rotating part. An operation unit for controlling the attitude of a transported object by supplying a right rotation command signal or a left rotation command signal while supplying power thereto. 2. A shock absorber is interposed between the rotating part and the hand to connect them.
The attitude control device for a conveyed object according to [1].