JP2652353B2 - Connecting device for connecting construction equipment to heavy equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to
The present invention relates to a connecting device for connecting a construction device to be pulled on a finished surface to a heavy machine such as a backhoe.

[0002]

2. Description of the Related Art Conventionally, in revetment work, the work of leveling the slope and finishing the surface of ready-mixed concrete is almost done manually, and there is a demand for mechanization of this work. The present applicant has previously described a concrete surface finishing apparatus for finishing the surface of thinned concrete as disclosed in Japanese Patent Application No. 6-2.
No. 62826 (JP-A-8-120930). However, a machine for carrying these construction works to a predetermined place and a power mechanism for moving the machine along the finished surface have not yet been developed, and the use of a heavy machine such as a backhoe has been studied.

[0003]

Among the construction equipment, for example, in a surface finishing machine for ready-mixed concrete, in order to equalize the surface finishing condition of concrete,
It is preferable to finish by applying a constant load. The simplest and most reliable way to do this is to add the weight of the surface finisher to the surface of the ready-mixed concrete. That is, if the device is placed on the finished surface and pulled, the weight of the device is always applied to the finished surface. For this reason, connection of the construction work device to heavy equipment such as a backhoe has been studied. By the way, since the arm of the heavy equipment moves in an arc shape with the upper end as a fulcrum, the height of the lower end varies according to the rotation angle, and it is difficult to operate this height constant. Therefore, simply connecting the above-described ready-mixed concrete surface finishing machine to a heavy machine such as a backhoe changes the height of the connecting portion, that is, the surface finishing machine. When the surface is separated from the concrete surface and the height of the connecting portion is reduced, the pressure of the heavy equipment is applied to the surface finishing machine and the finished surface, causing a problem that the surface finishing machine is deformed or the finished surface is dented.

The present invention has been made in view of the above circumstances, and an object of the present invention is to connect a construction work device to a heavy machine so that the construction work device can be towed on a finished surface. Another object of the present invention is to provide a connecting device capable of lifting a construction work device by a heavy machine.

[0005]

According to the present invention, there is provided a connecting device for connecting a construction device pulled on a finished surface by a heavy machine such as a backhoe to the heavy machine having the two arms. A horizontal beam portion is connected to one arm of the heavy equipment at a front center portion, and connected to a front portion of the construction device at both rear end portions. A connecting member rotatable with respect to the main shaft (X-axis), the other arm of the heavy equipment and a rear part of the construction device, and the other arm of the heavy equipment is pulled up to perform the construction work. A lifting member that switches between a pulling state in which the equipment for lifting is lifted, and a play state in which the other arm of the heavy equipment descends and the construction work equipment is placed on the finishing surface, and then the upper end is released. It has features. The tension state of the lifting member means a state in which the weight of the construction device is loaded on the lifting member, and when the other arm moves up and down, the construction device moves up and down in response thereto. No load is applied to the arm, and this movement is escaped even if the other arm moves up and down, so that the position of the construction work apparatus does not change.

According to a second aspect of the present invention, the connecting member is rotatably connected to a horizontal axis (X axis) and a vertical axis (Z axis) with respect to one arm of the heavy equipment. Has features. According to a third aspect of the present invention, the connecting member has a horizontal axis (X axis), a vertical axis (Z axis), and a horizontal axis orthogonal to the horizontal axis (X axis) with respect to one arm of the heavy equipment. It is characterized by being rotatably connected to a shaft (Y-axis).

According to a fourth aspect of the present invention, when one of the arms of the heavy equipment rotates in a direction of lifting the construction work device, the connecting member intersects the one arm and the construction work device. The feature is that a stopper for regulating the angle to a predetermined angle is provided. According to a fifth aspect of the present invention, the pulling member has an upper end pivotally connected to a horizontal axis (X axis) and a vertical axis (Z axis) with respect to the other arm of the heavy equipment, and to a lower end thereof. The feature is that a long groove is formed. According to a sixth aspect of the present invention, the pull-up member includes an upper link and a lower link rotatably connected to each other, and an upper end of the upper link is a horizontal axis (X-axis) with respect to the other arm of the heavy equipment. ) And a vertical axis (Z-axis).

[0008]

According to the first aspect of the present invention, when the arm of the heavy equipment is pulled up, the pulling member is brought into a tension state, and the construction work device is pulled up together with the connecting member. When the heavy equipment is operated to install the construction equipment at the work site, the lifting member is switched to a play state, and the weight of the construction equipment is applied to the finished surface. Therefore, when the arm of the heavy equipment is turned,
The construction work device finishes a finished surface while being moved by being pulled by the connecting member. Although the lower end of the arm may move up and down, the connecting member rotates and responds, and the height of the construction device does not change.

According to the second aspect of the present invention, even if the direction of the arm of the heavy machine crosses the direction of towing of the construction work device, the connecting member has a horizontal axis (X axis) and a vertical axis (Z axis). And the direction of the construction work device can be made to coincide with a predetermined direction. According to the invention of claim 3, when the direction of the arm of the heavy equipment has a large intersection angle with the towing direction of the construction device, the construction device is inclined with respect to the finishing surface, but the connecting member is horizontal. By rotating around the axis (Y axis), the construction work device can be made to coincide with the horizontal state. The invention according to claim 4 is that, when one arm of the heavy equipment rotates in a direction of lifting the construction work device, the stopper of the connecting member abuts on the one arm and the construction work device to set the intersection angle to a predetermined angle. Since the angle is regulated, the lifting of the construction work device is started from a predetermined position.

According to the fifth and sixth aspects of the present invention, even if the direction of the arm of the heavy equipment crosses the direction of towing of the construction work device, the connecting member has a horizontal axis (X axis) and a vertical axis (Z axis). axis)
And the direction of the construction work device can be made to coincide with a predetermined direction.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a first embodiment in which a connecting device 31 according to claims 1, 2 and 5 of the present invention is applied to a concrete surface finishing device 11 as a construction work device will be described with reference to FIGS.
This will be described with reference to FIG. In river revetment work,
As shown in FIGS. 3 and 4, a plurality of concrete frames 1 are formed in the vertical and horizontal directions on an inclined slope, and ready-mixed concrete 2 is poured into a square 1 a formed by these. The surface finishing device 11 is carried in the square 1a, and finishes the surface of the poured ready-mixed concrete 2. The U-shaped connecting frame 12 is attached to the front both ends in a vertical position, and the rear side is provided. A U-shaped connecting rod 13 is attached to the central upper surface.

The surface finishing device 11 includes a backhoe 2
1 via a connecting device 31. In the square 1a, the guide roller 14 is placed on the concrete frame 1 and rolls on the concrete frame 1. So, finishing part 1
When moving in the direction of arrow A shown in FIG. 4 while applying vibration to 5, the finished portion 15 on the lower surface is stored in the accommodating portion 16 while removing excess fresh concrete 2 above the finished surface,
The surface of ready-mixed concrete 2 is about 10
cm and a flat surface parallel to the concrete frame 1 at a position lowered by 1 cm.

The backhoe 21 includes a main arm 22 rotatable and rotatable with respect to a horizontal axis, and a first arm 2 rotatably connected to an upper end of the main arm 22.
3 and a second arm 24. The second arm 24 has an intermediate portion with a lever 25 with respect to the first arm 23.
And is reciprocated in the direction of arrow B shown in FIG. 4 by the action of a cylinder (not shown).

Next, referring to FIGS.
Has a connecting member 32 and a pull-up member 41. First, the connecting member 32 will be described. Front connecting part 33
Is composed of a front end that fits on the horizontal axis 26 (X axis) of the first arm 23 and rotates in the vertical direction, and a rear end formed in a bifurcated shape. (Z axis) is attached. The beam portion 35 has a U-shape, and the surface finishing device 1
1 and a connecting piece 35a at the front center portion.
Are fitted on the vertical shaft 34 and rotate in the horizontal direction. Beam 3
A U-shaped shackle 36 as a rear connecting portion is attached to the both end leg portions 35b of 5 and these are connected to intersect with the front connecting frame 12 of the surface finishing device 11.

Next, the pulling member 41 will be described.
The upper end of the connecting portion 42 is the horizontal shaft 27 of the second arm 24.
(X-axis), it rotates in the up-down direction, the lower end is formed in a forked shape, and the vertical shaft 43 (Z-axis) is attached thereto. The upper end of the link 44 is the vertical axis 4 of the connecting portion 42.
3 and a long groove 4 at the lower end.
The long groove 45 is fitted to the connecting rod 13 at the rear center of the surface finishing device 11.

Next, the operation of the above configuration will be described.
As shown in FIGS. 3 and 5, the backhoe 21 is disposed above the slope, and the main arm 22 is pivoted upward,
The second arm 24 is moved in the direction of the arrow B by operating a cylinder (not shown). As a result, the connecting rod 13 moves in the long groove 45 of the link 44 and comes into a tension state in contact with the lower end 45a, and the connecting rod 13 of the surface finishing device 11 is pulled up. In addition, since the connecting portion 33 of the connecting member 32 is also raised, the connecting member 32 is aligned with the first arm 23, and the entire surface finishing device 11 is suspended in the air. Then, the main arm 22 is turned and rotated,
The surface finishing device 11 is arranged above the predetermined square 1a (see FIGS. 2 and 5). The first arm 23 has a predetermined square shape 1a.
5, the surface finishing device 11 is not arranged parallel to the square 1a, as shown by the two-dot chain line in FIG. In this case, the correction may be made while rotating the surface finishing device 11 about the vertical axes 34 and 43 of the connecting portions 33 and 42.

Therefore, the main arm 22 and the first arm 2
3, the surface finishing device 11 is gradually lowered into the square 1a, and the finished portion 15 on the lower surface is
Touch on top. In this case, the upper end of the connecting member 32 is directed obliquely upward, and the connecting rod 13 is in contact with the lower end 45 a of the long groove 45. Further, when the main arm 22 and the first arm 23 are lowered, the upper end of the connecting member 32 is lowered to be in a horizontal state. When the second arm 24 is moved in the direction of arrow B, the pulling member 41 moves down, and the connecting rod 13 moves in the long groove 45 and separates from the lower end 45a (see FIGS. 1 and 4). This state is called a play state.

In the idle state, even if the second arm 24 moves up and down, the movement of the pulling member 41 is escaped by the long groove 45 so that the height of the connecting rod 13 does not fluctuate. Therefore, the height of the surface finishing device 11 also increases. It does not change. And surface finishing device 1
1 presses the surface of the ready-mixed concrete 2 by its own weight. The lower end of the first arm 23, that is, the connecting member 32
Even if the connecting portion 33 is moved up and down, the connecting member 32 rotates about the shackle 36 as a fulcrum, and the front height of the surface finishing device 11 does not change.

Then, when the first arm 23 is turned in the direction of arrow C, the surface finishing device 11 moves along the slope A
Then, the surface of the ready-mixed concrete 2 is finished in order. The height of the lower end portion, that is, the height of the connecting portion 33 of the connecting member 32 changes in accordance with the rotation angle of the first arm 23. This is corrected by adjusting the angle of the main arm 22. During this movement, the height of the lower end of the first arm 23 fluctuates. However, the height of the surface finishing device 11 is changed because the height of the surface finishing device 11 changes because the connecting member 32 rotates around the shackle 36 as a fulcrum. do not do. Further, when the height of the second arm 24 fluctuates, the upper end of the link 44 goes up and down, but the long groove 4 at the lower end.
5 is only sliding on the connecting rod 13 and its lower end 4
Since 5a does not abut, the height of the rear end of the surface finishing device 11 does not fluctuate, so that the weight of the surface finishing device 11 is constantly applied to the surface of the ready-mixed concrete 2, and the surface is finished well.

FIGS. 6 and 7 show a second embodiment according to the fourth aspect. The difference from the first embodiment is that the connecting member 32 and the shackle 36 have stoppers 32a and 36, respectively.
a is provided. In this second embodiment,
When the first arm 23 is pulling the surface finishing device 11 shown in FIG.
a is separated from the first arm 23, and the stopper 36a is separated from the beam portion 35, and has no effect on the rotation of the first arm 23 in the direction of arrow C. Then, the first arm 23
Surface finishing device 1 shown in FIG.
In the raised state of 1, the stopper 32a abuts on the first arm 23 and the stopper 36a abuts on the beam 35, so that the intersection angle between the one arm 23 and the construction device 11 is restricted to a predetermined angle. Is done. For example, the pulling-up of the surface finishing device 11 is started when the connecting member 32 becomes substantially straight (about 180 degrees) with the one arm 23 and the construction work device 11, so that the pulling-up work is performed quickly. . Further, since the pulling time is constant, the operation can be easily performed.

FIG. 8 shows a third embodiment of the present invention. In the first embodiment, the lifting member 4 is used.
1 has a long groove 45 formed to switch between a tension state and a play state.
And a link 53. In the third embodiment, when the second arm 23 moves in the direction opposite to the arrow B, the link 52 and the link 53 are in a straight line, and are in a tension state in which the surface finishing device 11 is pulled up. When 23 moves in the direction of arrow B,
As shown by a two-dot chain line, the angle at which the link 52 and the link 53 intersect is changed to switch to a play state in which the movement of the upper end is released.

According to the first to third embodiments, the following effects can be obtained. 1, If the surface finishing device 11 is connected to the backhoe 21, the surface of the ready-mixed concrete 2 can be moved while being loaded with the weight of the surface finishing device 11. Mechanization can be achieved, the number of working steps can be significantly reduced, and the surface finish can be improved. 2. The surface finishing device 11 can be transported by the backhoe 21 and can be easily installed on the work site. 3. Since the pressure applied by the arms 23 and 24 of the backhoe 21 is not applied to the surface finishing device 11, the surface finishing device 11 does not deform. 4. Since the stopper 32a and the stopper 36a regulate the timing of pulling up the surface finishing device 11, the operation can be performed easily and quickly. 5, the front lower surface of the surface finishing device 11 is filled with the shaved fresh concrete 2 and a shackle 36 is used as a connecting portion.
Since it is used, washing is easy.

FIG. 9 shows a fourth embodiment of the present invention. The difference from the first embodiment is that the connecting portion 33 has a horizontal shaft 26.
A horizontal axis 37 (Y axis) orthogonal to (X axis) is provided, and the beam 3
5 is provided with a bearing 38 fitted to the horizontal shaft 37. In the fourth embodiment, in addition to the effect of the first embodiment, since the inclination of the surface finishing device 11 can be changed, the backhoe 21 is arranged beside the square 1a, and the surface finishing device 11 Even if it crosses the arm 23 at a substantially right angle, or if the finishing surface has a large undulation and tilts while the surface finishing device 11 is being towed, the inclination is corrected and the surface finishing device 11 is moved. This has the effect of being able to be pulled parallel to the finished surface.

FIG. 10 shows a fifth embodiment of the present invention, in which a brush 17 is used as a finishing part of a surface finishing machine 11. In the fifth embodiment, as in the fourth embodiment, a horizontal shaft 37 (Y-axis) is provided in the connecting portion 33, and a bearing 38 fitted to the horizontal shaft 37 is provided in the beam portion 35. is there.

FIG. 11 shows a sixth embodiment. The difference from the first embodiment is that the backhoe 21 is arranged on the rear side of the surface finishing machine 11. In this embodiment, a connection frame 55 is attached to the frame portion 35, and a shackle 36 is attached to the end of the connection frame 55. The fifth and sixth embodiments have the same effect.

In the above embodiment, a concrete surface finishing machine has been described as an apparatus for construction work. However, the present invention is not limited to this, and it is needless to say that the present invention can be applied to a surface leveling apparatus, a roller apparatus and the like.

[0027]

According to the first aspect of the present invention, there is provided a connecting device for connecting a construction work device pulled on a finished surface to a heavy machine having two arms by a heavy machine such as a backhoe. It has a beam part, is connected to one arm of the heavy equipment at the front center part, is connected to the front part of the construction equipment at both rear end parts, and both front and rear connection parts are horizontal axes (X A connecting member rotatable with respect to the shaft, and connected between the other arm of the heavy equipment and the rear part of the construction equipment, and the other arm of the heavy equipment is pulled up to suspend the construction equipment. A lifting member for switching between a lifting state and a play state in which the other arm of the heavy machine descends and the construction device is placed on the finishing surface, and then the upper end portion is allowed to descend. Connecting equipment to heavy equipment By this, the construction equipment can be towed on the finished surface, and the construction equipment can be lifted by heavy equipment, which has the excellent effect that the mechanization of revetment work can be achieved. It is.

The connecting member according to the second aspect of the present invention is rotatably connected to one of the arms of the heavy equipment on a horizontal axis (X axis) and a vertical axis (Z axis). There is an effect that the angle of the construction work device can be changed. The invention according to claim 3 is characterized in that the connecting member has a horizontal axis (X) with respect to one arm of the heavy equipment.
Axis), a vertical axis (Z-axis) and a horizontal axis (Y-axis) orthogonal to the horizontal axis (X-axis), so that the inclination angle with respect to the finished surface of the construction equipment is Can be changed, and smooth movement can be achieved even when the finished surface has undulation.

According to a fourth aspect of the present invention, when one of the arms of the heavy machine rotates in a direction of lifting the construction work device,
Since the stopper of the connecting member abuts on one arm and the device for construction work and regulates the intersection angle to a predetermined angle, the lifting of the device for construction work is started from a predetermined position, and the lifting work is easily and quickly performed. This has the effect of being able to be implemented. According to a fifth aspect of the present invention, the pulling member has an upper end pivotally connected to a horizontal axis (X axis) and a vertical axis (Z axis) with respect to the other arm of the heavy equipment, and to a lower end thereof. Since the long groove is formed, there is an effect that the angle of the construction work device with respect to the arm can be changed. According to a sixth aspect of the present invention, the pull-up member includes an upper link and a lower link rotatably connected to each other, and an upper end of the upper link is a horizontal axis (X-axis) with respect to the other arm of the heavy equipment. ) And a vertical axis (Z-axis), so that the angle of the construction device with respect to the arm can be changed.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a state in which the surface of ready-mixed concrete is finished using the first embodiment.

FIG. 2 is a perspective view showing a state where the surface finishing machine is lifted.

FIG. 3 is a perspective view of revetment work.

FIG. 4 is a side view showing a state in which the surface of ready-mixed concrete is finished using the first embodiment.

FIG. 5 is a plan view showing a state where the surface finishing machine is installed.

FIG. 6 is a side view showing a state where the surface finishing machine is being pulled in the second embodiment.

FIG. 7 is a side view showing a state where the surface finishing machine is pulled up.

FIG. 8 is a side view showing a third embodiment of the pulling unit.

FIG. 9 is a perspective view of a fourth embodiment.

FIG. 10 is a perspective view of a fifth embodiment.

FIG. 11 is a perspective view of a sixth embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 11 Surface finishing machine (construction equipment) 21 Backhoe (heavy machinery) 23 1st arm 24 2nd arm 26 Horizontal axis (X axis) 27 Horizontal axis (X axis) 31 Connection device 32 Connection member 32a stopper 33 Connection part 34 vertical axis (Z axis) 35 beam part 36 shackle (connection part) 36a stopper 37 horizontal axis (Y axis) 41 pulling member 42 connection part 43 vertical axis (Z axis) 44 link 45 long groove 51 lifting member

Claims (6)

(57) [Claims] 1. A connecting device for connecting a construction device pulled on a finishing surface by a heavy machine such as a backhoe to a heavy machine having the two arms, the connecting device having a horizontal beam portion and a front center. Part is connected to one arm of the heavy equipment, and both ends on the rear side are connected to the front part of the construction equipment, and the front and rear connection parts are both rotated about a horizontal axis (X axis). A possible connecting member, connected between the other arm of the heavy equipment and the rear part of the construction equipment, a tension state in which the other arm of the heavy equipment is pulled up and lifts the construction equipment, A lifting member that switches to a play state in which the other arm is lowered to place the construction work device on the finishing surface and then to release the lowering of the upper end portion. Connecting device to connect. 2. The apparatus according to claim 1, wherein the connecting member is rotatably connected to a horizontal axis (X axis) and a vertical axis (Z axis) with respect to one arm of the heavy equipment. A connecting device for connecting the construction work device according to 1 to a heavy machine. 3. The connecting member includes a horizontal axis (X axis), a vertical axis (Z axis), and a horizontal axis (X axis) orthogonal to the horizontal axis (X axis) with respect to one arm of the heavy equipment. 3. The connecting device according to claim 1, wherein the connecting device is rotatably connected to the Y-axis). 4. The connecting member, when one of the arms of the heavy machine is turned in a direction in which the construction device is lifted, sets the intersection angle between the one arm and the construction device to a predetermined angle. 4. A connecting device for connecting a construction equipment according to claim 1, 2, or 3 to a heavy equipment. 5. The lifting member has an upper end pivotally connected to a horizontal axis (X axis) and a vertical axis (Z axis) with respect to the other arm of the heavy equipment, and has a long groove at a lower end. 5. A connecting device for connecting a construction equipment according to claim 1, 2, 3, or 4 to a heavy equipment. 6. The lifting member includes an upper link and a lower link rotatably connected to each other, and an upper end of the upper link is a horizontal axis (X axis) with respect to the other arm of the heavy equipment, and The connecting device according to claim 1, 2, 3, 3 or 4, wherein the connecting device is connected to a vertical axis (Z axis) so as to be rotatable.