JPS5915133A - Bucket assembly for earthwork vehicle capable of discharging soil even to sideway - Google Patents

Abstract

PURPOSE:To easily change the discharging directions of soil and sand by a method in which two hooks coupled with parts to be supported of a bucket are provided to the bucket support, and both the hooks are connected with an expandible rod movable to the left and right sideways. CONSTITUTION:When a fixing nut 53 is loosened and a connection regulator 52 is turned toward a given direction, the whole length of a connecting rod 44 is increased, and a hook 38b turns around a shaft 34b and separated from parts 14b to be supported of a bucket 4. When a cylinder mechanism 8 provided between the bucket 4 and the bucket support 6 is then extended, the bucket 4 counterclock counterclockwise turns around the parts 14a to be supported and soil and sand in the bucket 4 are discharged to the left side. When the cylinder mechanism 56 is extended to discharge soil and sand to the right side, the connecting rod 44 moves to the right, the hook 38b is coupled with the parts 14b to be supported, the hook 38a is separated from the parts 14a to be supported, and the bucket 4 can thus be turned clockwise.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an earthmoving vehicle packet assembly, and more particularly to a side ejectable earthmoving vehicle packet assembly.

When carrying out earthwork work by equipping an earthmoving vehicle with a packet assembly, for example when the work site is inside a tunnel, the earth and sand loaded in the packets are discharged forward as in normal cases. It is often desirable to drain to the side instead.

Therefore, a somewhat three-way type packet assembly that can be discharged not only forward but also to the left or right as necessary has been proposed and put into practical use.

As a known three-way type packet assembly, for example, Japanese Patent Application Laid-Open No. 57-33634 discloses a packet support attached to a lift arm and a tilt link of an earthmoving vehicle, and a pair of removable packet supports disposed on both sides. a packet supported by the packet support via a pivot bin; a hydraulic cylinder mechanism interposed between the packet support and the packet; a rotating member rotatably attached to the packet support; It is composed of two connecting bottles that enter holes formed on both sides of the packet, and a link mechanism that connects the rotating member and each connecting pin, and one end of the hydraulic cylinder mechanism is connected to the connecting pin of the packet. It is rotatably connected to either one of two receivers provided on both upper sides of the back surface, the other end of the hydraulic cylinder ladder mechanism is rotatably connected to the revolving member, and the revolving member is connected to the packet. A bucket rotatably connected to a mounting part corresponding to a receiving part to which one end of the fluid pressure cylinder mechanism is connected among two receiving parts provided on the support.

A door assembly is proposed.

In the above packet assembly, when discharging to the left side (or right side) is to be made possible, the right side (or left side) pivot bin is first removed, and one end of the hydraulic cylinder mechanism is connected to the left side (or right side) of the packet. ) is connected to the receiving part of
The entire rotating member is connected to the mounting portion on the right side (or left side 9111), and the other end of this connecting member is connected to the link mechanism on the right side 0I11 (or left side). In such a state, when the fluid pressure cylinder mechanism is extended, the right side (or left side)
The connection between the connecting bin and the right (or left) hole formed in the packet body is released, and the packet moves to the left (or right) with the left (or right) pivot bin as the center.
When the hydraulic cylinder mechanism is then retracted, the right (or left) connecting bottle is inserted into the right (or left) hole of the packet body;
The packet is restored to its original state.

However, as can be easily understood from the above description, in the case of a barrel packet assembly, in order to change the state from a state where it can be discharged to the left side (or right side) to a state where it can be discharged to the right side (or left side), it is necessary to Remove the pressure cylinder mechanism and the rotating member, and move one end of the fluid pressure cylinder mechanism from the left (or right) receiving part of the packet to the right (or left) receiving part,
Move the swivel member from the right (or left) attachment of the packet support to the left (or right) attachment, and one end of the swivel phase from the right (or left) linkage to the left (or right) linkage. There is a problem in that the process of changing the discharge direction is complicated and takes time.

Therefore, in order to solve all the above-mentioned problems, for example, Japanese Patent Publication No. 55-59762 discloses a method in which supported shafts are provided on both sides of the nokket, and the support shafts are received on both sides of the kerato support. Along with the almost U-shaped support part gold film,
Furthermore, the packet support is provided with a sliding member that is slid by a locking fluid pressure cylinder mechanism, and the sliding member is slid to the right side of the packet (
A packet assembly has been proposed that fixes the supported shaft on the left side.

In such a packet assembly, the ejection direction can be changed by yielding (or extending) the locking hydraulic cylinder mechanism, but the supported shaft of the packet can be fixed by the support part of the kerato support. This is done by inserting one end of the sliding member into an awned hole and engaging the support shaft with one end of the sliding member, which makes it impossible to securely fix the support shaft. However, when used for a long period of time, there is a problem in that the sliding members and the like are worn out and looseness occurs between one end of the WeiTmJ member and the support shaft or the hole formed in the support portion.

The present invention has been developed in view of the above facts, and its purpose is to provide a packet assembly that can freely change the ejection direction and that can securely fix the packet to a packet support. That's true.

According to the present invention: 1. packet, packet support,
In a packet assembly for an earthmoving vehicle that can also be discharged to the side and is composed of a hydraulic cylinder mechanism for Zyde dumping interposed between the packet and the packet support, the packet includes a packet main body and the packet. It includes a receiving part provided on the upper back side of the main body, and first and second pivot bins that are attached to both sides of the lower back side of the main body and serve as the pivot centers of the main body when discharging to the side, respectively. first and second supported portions, the packet support includes a lift arm and a chill l-' of an earthmoving vehicle;
A support body to which a J-hook is attached, a mounting portion provided on the support body, and a support body for receiving and supporting each of the first and second supported portions of the packet, respectively. The first and second supported portions are engaged with the provided first and second supporting portions and the first and second supported portions of the packet, respectively. The first and second parts are attached to the nuclear sabot main body so as to be rotatable between a working position in which the supported parts are held respectively and a non-working position in which the packet is separated from each of the first and second supported parts. a hook member, a connecting rod connecting the first and second hook members, and a rod actuating device including a lock switching cylinder mechanism for moving the connecting rod, One of the cylinder and the rod of the hydraulic cylinder mechanism for side dumping is rotatably connected to the receiving part of the packet body, and the other of the cylinder and the rod of the hydraulic cylinder mechanism for side dumping is connected to the mounting part of the support body. A packet assembly is provided which is characterized in that the packet assembly is pivotably coupled.

Hereinafter, preferred specific examples of the packet assembly constructed according to the present invention will be described with reference to the accompanying drawings.

To explain with reference to FIGS. 1 to 3, the whole number is 2.
The packet assembly shown in is comprised of a packet 4, a packet support 6, and a side dump hydraulic cylinder mechanism 8 interposed between the packet 4 and the kerato support 6.

The packet 4 is equipped with a packet body 10 that is suitable for work such as excavation, loading, etc., and may have an appropriate shape to allow discharge to the front and both sides. As will be explained in the following, a receiving portion 12 to which the side dump hydraulic cylinder mechanism 8 is connected is provided.

Furthermore, a first supported portion 14a and a second supported portion 14b are provided on both sides of the lower back surface of the packet body 10. As shown in FIG. 3, this first supported portion 14a includes at least one stopper fixed at a predetermined position on the rear left end of the back surface of the packet body 10 (in a specific example, a stopper is shown in FIG. 3). The first pivot bins 16a'i are spaced apart from each other (two bins are arranged with zffi) in the direction.As will be explained later, the first pivot bins 16a are arranged at the packet main body 10? It forms the turning center when turning to the left side discharge position, and is arranged so as to extend in a direction substantially perpendicular to the width direction of the packet main body 10.The first pivot bin 16 & It is preferable that the first roller 20a is rotatably fitted through the bearing member 18ai.

On the other hand, the second supported part 14b is the same as the first supported part 14a.
It has virtually the same configuration as the packet book.

At least one rod is fixed at a predetermined position on the rear right end of the back surface of the packet body 10 and forms the center of rotation when the packet body 10 is rotated to the right side ejection position (in the specific example, in the direction perpendicular to the plane of the paper in FIG. 1). The second pivot bin 16bt has two Qr51i4 spacing devices installed in the second pivot bin 16bt. Like the first pivot bin 16a, it is preferable that the second pivot bin 16b be fitted with a 20th roller 20b via a suitable bearing member (not shown).

Next, the packet support 6 includes a support body 22. This support body 22 has hinges (gray)
24a and 24b and a mounting bracket 26 are provided, and portions 28a and 28ME of hinge plates 24a and 24b are respectively pivotally connected to the tips of a pair of lift arms (not shown) of an earthmoving vehicle and are mounted. A portion 30 of the racket 26 is pivotally connected to the tip of a single tilt link (not shown) of the earthmoving vehicle.
, thus the support body 22 is attached to the earthmoving vehicle.

The Zaboto main body 22 includes a first supported portion 14a and a second supported portion x4 provided in the Kerato main body 10.
bt: first support part 32a for receiving and supporting each
and a second support HI132b7)' are provided. lf
, l and the second support part 32b are each fixed to the first part 11 of the support 22, as can be easily understood from FIGS. 1, 3, and 5, and the IL axis A pair of supporting pieces 36a are fixed to the members 3411L and 341b, respectively, and extend over an open, substantially semicircular supporting surface that receives and supports the first lower roller 20a and the second roller 20bl, respectively.
It is composed of 36b and 36b.

The boat main body 20 includes the first support portion 32a.
A first hook member 38a and a second hook member 38b are mounted adjacent to each of the and second support portions 32b, respectively. As can be easily understood from FIGS. 1 and 3, each of the first hook member 38a and the second hook member 38b has shaft portions g34a and 34b fixed to the side portion of the support body 220. is attached to the first hook member 38 via a suitable bearing member 40.
a and the second hook member 38b, respectively. The first hook portion 138a and the second hook portion Ij38b are rotatable between the claw-like hook pieces 42a and 42b (in the specific example, the first supported portion 1411 and (Two pieces are provided corresponding to the second supported part 14b) and a connecting rod 44 which will be mentioned later.
It has connecting pieces 46a and 46b'e that are connected to each other.

When each of the hook pieces 42a and 42b is in the operating position shown in FIG. When the second roller 2ObK of 14b is engaged and is in the non-operating position, the upper B itself is separated from the first roller 20a and the 20th roller 20b. A connecting rod 44 is connected between the connecting piece 46a of the first hook member 38a and the connecting piece 46b of the second hook member 38b.

As is clear from FIGS. 1, 4-A, and 4-B, the connecting rod 44 includes a first rod 44a, a second rod 44b, and a third rod 44c.

The first rod 34a has one end connected to the first hook member 3.
The third rod 44c is rotatably connected to the connecting piece 46& of the second rod 44b, and the other end thereof is rotatably connected to the connecting member 48 screwed to one end of the second rod 44b. The other end of the second rod 44b and the other end of the third rod 44c are connected to a connection adjustment member 52. are connected by. In a specific example,
10th from the first rod 44a and the second rod 44b
The third rod 44e constitutes a second rod member. The connection adjustment member 52 is a connection means such as a so-called turnbuckle, and by fully rotating the connection adjustment member 52, the length of the connection rod 44 can be adjusted between the tenth state shown in FIG. 4
- The entire body 22 shown in Figure A or Figure 4-B
A Watt actuating device 54 for moving the connecting rod 44 is mounted on the holder. Rod actuating device 5
4 includes a lock switching fluid pressure cylinder mechanism 56 and a lever member 58 rotatably mounted on the support body 22, and the cylinder 6oOHr of the lock switching fluid pressure cylinder mechanism 56 is mounted on the open head end side. It is rotatably connected to the support body 22, the tip of a rod 62 of the lock switching hydraulic cylinder mechanism 56 is rotatably connected to one end of a lever member 58, and the other end of the lever member 58 is connected to the above-mentioned connection. It is rotatably connected to a connecting member 48 of the rod 44. Therefore, as can be easily understood from FIGS. 4-A and 4-B, the expansion and contraction of the lock switching hydraulic cylinder mechanism 56 causes the connecting rod 44 to move to the fourth-A position via the lever part 58. In the figure and FIG. 4-B, it is moved in the left and right direction. The above-mentioned lock switching fluid pressure cylinder mechanism 56 is operated and controlled by an operating lever (not shown) provided on the driving side of the vehicle, and by operating this operating lever, the lock switching fluid pressure is controlled. Cylinder mechanism 56 is expanded or retracted.

Furthermore, a mounting portion 64 to which the side dump hydraulic cylinder mechanism 8 is connected is provided at the upper center of the support body 22 .

Next, the side dump fluid pressure cylinder mechanism 8 is of an integrated single rod type, comprising a cylinder 66 and a single rod 8 that can freely slide 11 relative to the cylinder 66 and protrude from one end of the cylinder 66. This is a cylinder mechanism.

This side dump fluid pressure cylinder mechanism 8 has a rod 6
The tip of the cylinder 66 is rotatably connected to a receiving part 12 provided on the upper back surface of the packet body 10, while the tip of the cylinder 66 is connected to a mounting part 64 provided at the slightly head end side of the cylinder 66 or at the upper central part of the support main body 22. Connected for rotation. Similarly, in this Zyde dump cylinder mechanism 8Fi, the tip of the rod 68 can be rotatably connected to the mounting part 64, and the head end side of the cylinder 66 can be connected to the receiving part 12, respectively.

Next, the effects of the packet assembly 2 having the above-described configuration will be explained.

In order to change the state in which the earth and sand loaded in the packet 4 from the forward discharge state shown in FIG. Make it rotate. When the connection rod 44f is closed, the total length of the connecting rod 44 becomes longer, and the first state shown in FIG. 1 changes to the second state shown in FIG. 2 hook member 38b
is rotated clockwise about the shaft member 34bk in FIGS. 1 and 4-A, and is positioned in the non-operating position shown in FIG. 4-A. In this way, the second hook member 38bFi is separated from the second supported part 14b (more specifically, the hook piece 42b of the second hook member 38b is separated from the second roller 20b of the second supported part 14b).
The packet 4 is now ready to be ejected to the left (as shown in FIG. 4-A).

When discharging to the left side, the side dump hydraulic cylinder mechanism 8 is further extended in this state. When extended to the side dump hydraulic cylinder machine m81, the first
Supported @ 14a As the center of the first pivot bin 16ai, the packet body is 10°, so the packet 4 is
In the figures and FIG. 5, it is rotated counterclockwise to reach the left side discharge position, and the dirt, etc. in the packet 4 is discharged from the left side.

To change the state in which the earth and sand loaded in the packet 4 can be discharged from the left side shown in Figure 4-A to the right side, use the operating lever provided on the driver's seat. (Not shown) The lock switching fluid pressure cylinder mechanism 56 is operated in the direction of contraction. When operated in this manner, the lock switching fluid pressure cylinder mechanism 56 is contracted, and the connecting rod 44 is moved to the fourth-A position via the lever part 58.
The first hook member 388 and the second hook member 38 are moved to the left side in the figure and connected via the connecting rod 44 to the first hook member 388 and the second hook member 38.
b is the shaft member 34 in FIG. 4-A and FIG. 4-B, respectively.
a and 34b1, with the first hook member, tt 38a, in an inactive position and the second hook member 38b, as shown in FIGS. 4-B and 5. is positioned in the working position. Hidden 2, the first hook member 38a is connected to the first supported part 14a.
At the same time, the second hook member 38b is engaged with the second supported part 14b (more specifically, the hook piece 42a of the first hook part 38a is engaged with the second supported part 14B). At the same time, the hook piece 42b of the second hook part 38b is engaged with the second roller 20b of the second supported part 14b), and the packet 4 can be discharged to the right side. Condition (4th-
(Illustrated in Figures B and 5).

When discharging to the right side, in such a state, the side dump river fluid pressure cylinder @ Structure 8'? : Stretch. When the side dump hydraulic cylinder mechanism 8 is extended, the packet body 1O and therefore the packet 4 is rotated clockwise in FIGS. 1 and 5 about the second pivot pin 16bk of the second supported part 14b. It is positioned at the right side discharge position shown by the two-dot chain line 4A in FIG. 5, and the earth and sand in the packet 4 are discharged to the right side.

When changing the state where the soil and sand loaded in the packet 4 can be discharged from the right side as shown in Figure 4-B to the left side as shown in Figure 4-A, the driver's seat An operating lever (not shown) provided in the lock switch is operated in a direction in which the lock switching fluid pressure cylinder mechanism 56, which is opposite to that described above, is extended. When operated in this manner, the lock switching hydraulic cylinder mechanism 56 is extended, and the connecting rod 44 is moved to the right in FIG. The first hook member 38a and the second hook member 38b are each m
In Figure 4-A and Figure 4-B, shaft members 34a and 34
4-A, the first hook part 38a is in the operative position and the second hook part 38b is in the non-operative position. Thus, the first hook member 38 &
At the same time, the second hook member 38b is separated from the second supported part 14b (more specifically, the hook piece 42& of the first hook part 38a is engaged with the first supported part 14B). The hook piece 42b of the second hook member 38b is engaged with the first roller 20a of the supported part 14a, and the hook piece 42b of the second hook member 38b is engaged with the second roller 20 of the second supported part 14b.
The packet 4 is now in a state where it can be ejected to the left (as shown in FIG. 4-A). In this state, when the side dump hydraulic cylinder mechanism 8 is extended, the earth and sand in the packet 4 are discharged to the left side, as described above.

As described above, bucket) 4t - left side (or right side)
To switch from a state in which discharge is possible to the right side (or left side) to a state in which discharge is possible to the right (or left), the locking hydraulic cylinder mechanism 56 is activated by fully operating the operating lever (not shown) provided on the driver's seat of the earthmoving vehicle. This can be done very easily by contracting (or expanding).

In the forward discharge state shown in FIG. 1 (the connecting rod 44 is held in the first state), as can be easily understood from the above description, the packet main body 10
The first and second supported objects 14a and 14 provided in
b is received and supported by the first and second support parts 32a and 32b provided on the support body 22, respectively, and in addition, the first and second hook parts provided on the support body 22. Phases 38a and 38b4-J:, respectively.
In the operating position, the gB1 and second supported parts 14a and 14b provided on the packet main body IO are engaged (more specifically, the hook pieces of the first and second hook members 38a and 38b 42a and 42b are engaged with the first and second rollers 20a and 2tJb of the first and 81!2 supported parts, respectively),
Bucket i.4 is connected to the packet supports 6 on both sides of the bucket and is securely supported by the packet supports 6.

Although preferred specific examples of the packet assembly constructed according to the present invention have been described above with reference to the attached drawings, the present invention is not limited to such specific examples, and various modifications may be made without departing from the scope of the present invention. It is possible to modify or modify.

For example, in the specific example, the rod of the fluid pressure cylinder mechanism for lock switching is connected to the connecting rod via a lever member, but if necessary, the rod or cylinder of the UiL body pressure cylinder mechanism for lock switching may be connected to the connecting rod via a lever member. It is also possible to connect the head end side of the head directly to the connecting rod.

[Brief explanation of the drawing]

FIG. 1 is a top view illustrating a preferred embodiment of a nokerato assembly constructed in accordance with the present invention. Fig. 2 is a side view of the kerato assembly shown in Figs. The figures are operation explanatory views for explaining the operating states of the first and second hook members and rod actuating device of the packet assembly shown in Fig. 1. Fig. 5 shows the packet assembly shown in Fig. 1. Phase diagram showing the state in which the assembly can be discharged to the right side. 2...Packet assembly 4...Packet 6...Packet support 8...Side dump Fluid pressure cylinder mechanism 10 for
......Packet body 12...Receiving parts 14a and 14b...First and second supported parts 16a and 16b...First and second Pivot bin 22...Support bodies 32a and 32b...First and second support parts 3
8a and 38b...First and second hook part phase 44...Connection rod 54...Rod actuating device 56...Fluid pressure cylinder for lock switching Mechanism 64
......Mounting part 66...Cylinder 68...Rod Fig. 2

Claims (1)

[Claims] 1. For an earthmoving vehicle capable of discharging sideways as well, comprising a packet, a packet support, and a hydraulic cylinder mechanism for side dumping interposed between the packet and the packet support. In the packet assembly, the packet includes a packet main body, a receiving part provided at the upper rear surface of the packet main body, and a receiver mounted on both sides of the lower back surface of the packet main body. The packet support includes first and second supported parts including first and second pivot bins serving as turning centers, and the packet support includes a support body attached to a lift arm and a tilt link having the width of an earthmoving vehicle; The attachment part provided on the support body and the first and second parts of the packet
first and second supporting parts provided in the support body for receiving and supporting each of the supported parts of the packet, and each of the first and second supported parts of the packet; an active position that engages and holds the first and second supported parts on the first and second support parts, respectively, and a non-operating position that separates the packet from each of the first and second supported parts. first and second hook members attached to the support body so as to be pivotable to and from an operating position; a connecting rod that is electrically connected to the first and second hook members; and a mechanism for moving the connecting rod. a rod actuating device including a lock switching cylinder mechanism, and one of the cylinder and the rod of the side dump hydraulic cylinder mechanism is rotatably connected to the receiving portion of the packet body, and the side A packet assembly characterized in that the other of the cylinder and the rod of the hydraulic cylinder mechanism for dumping is rotatably connected to a mounting portion of the Zaport body. 2. The connecting rod includes a first rod member whose at least one end is pivotally connected to the first knock member, and a second rod member whose one end is pivotally connected to the second hook member. and a connection adjustment member that connects the first and second rond portions and changes the length of the connection rod to put the connection rod in a first state and a second state, and , when the connecting rod is in the first state, the valleys of the first and second hook members are respectively held in the working position, and the connecting rod 1 is in the second state. , one of the first and second hook members is held in the operative position and the other of the first and second hook members is held in the non-operative position. Packet assembly as described in section. 3. Each of the first and second supported parts of the packet is
each of the first and second hook members of the packet support has first and twentieth rollers rotatably fitted to each of the first and second pivot pins, respectively; 3. A packet assembly as claimed in claim 1 or claim 2, which engages the first and second rollers in the operative position. 4. The rod actuating device has an L-shaped lever member rotatably attached to the sabot small body, and the rod of the lock switching river hydraulic cylinder mechanism is rotatably attached to one end of the core lever member. a substantially central husband portion of the connecting rod is rotatably connected to the other end of the pawl lever member, and
The bucket assembly according to any one of claims 1 to 3, wherein the connecting rod is moved via the lever member by expansion and contraction of the lock switching hydraulic cylinder mechanism.