JPH04138088U - Outrigger - Google Patents

Abstract

(57) [Summary] [Purpose] To provide a tip indicator light at the tip of the outrigger that is stored in the inner box when the inner box is being reduced and projects from the top surface of the inner box when the inner box is not being reduced. [Structure] The inner box 3 is inserted into the outer box 2 to be expandable and retractable, and the base end of the outer box 2 is swingably pivoted to the frame 1 of the vehicle, so that the tip of the outer box 2 and the frame 1 of the vehicle are connected. jack cylinder 5
In the outriggers connected via the inner box 3, a notch is provided at a suitable position at the tip of the upper surface of the inner box 3, and a tip indicator light 8 is provided on the frame 9 which is swingably supported and urged in the protruding direction of rotation. When the position of the tip indicator light 8 attached to the inner box 3 reaches the amount of extension of the inner box 3 that has protruded outward from the tip of the outer box 2, the tip indicator light 8 protrudes from the top surface of the inner box 3, and the inner box 3 When the position of the tip indicator light 8 attached to the inner box 3 reaches the extension amount of the inner box 3 which enters inward from the tip of the outer box 2, the tip indicator light 8 is stored in the inner box 3.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

Outrigger safety equipment installed on work vehicles such as mobile cranes and aerial work vehicles It is related to.

0002

[Conventional technology]

A conventional outrigger will be explained based on FIG. 4. Outriggers installed on work vehicles such as mobile crane vehicles and aerial work vehicles are equipped with outer box 2. The inner box 3 is inserted into the inner box 3 and the outer box 2 is connected via the slide cylinder 4. The base end of the outer box 2 is swingably attached to one side of the vehicle frame 1. The jack cylinder 5 is pivoted between the tip of the outer box 2 and the other side of the vehicle frame 1. They are pivotally connected to each other so as to be able to swing freely. The float 6 is attached to the tip of the inner box 3. They are pivotably connected by a pin 7 located horizontally and at right angles to the contraction direction. .

0003 In the retracted state, the outriggers configured in this manner are connected to the jack cylinder 5 and the slider. Since both cylinders 4 are contracted, they are almost horizontal directly below the frame 1 of the vehicle. The inner box 3 is completely retracted into the outer box 2 located at The opposite surface is in contact with the opening at the tip of the outer box 2. In the extended state, the Both the shaft cylinder 5 and the slide cylinder 4 extend, and the inner box 3 extends from the outer box 2. The long float 6 touches the ground with its grounding surface facing downward due to its own weight.

0004 Work is carried out using work vehicles such as mobile crane trucks and aerial work vehicles equipped with outriggers. When doing this, first install the outriggers. The procedure for installing outriggers is At times, the support capacity of the ground where the float 6 touches the ground is sufficient for the force received from the float 6. The operator operates the slide cylinder 4 to extend the inner box 3 to the location determined by the operator. When it is lengthened, it is pivotally connected to the tip of the inner box 3 by a pin 7 and is in the retracted state. A float whose surface opposite to the ground surface of the ground plate was in contact with the opening at the tip of the outer box 2. 6 rotates around pin 7 due to its own weight, and the grounding surface becomes downward. More slide screens Operate the cylinder 4 to extend the inner box 3 to the desired position, then operate the jack cylinder 5. The sequence is to extend the float 6, touch the ground, and then lift the vehicle body. Outli By installing the mower, stability during work is ensured and work can be done safely.

[0005] When the work is finished, the outriggers are stored, but the procedure is the opposite of when installing the outriggers. If you first reduce the jack cylinder 5 and then reduce the slide cylinder 4 in order, Each part of the outrigger operates in the reverse order of the outrigger installation, and the parts of the outrigger are The inner box 3 is completely retracted into the outer box 2, which is located almost horizontally below, and the float 6 is brought into contact with the outer box 2. Storing is completed when the surface opposite to the ground plane of the main plate contacts the opening at the tip of outer box 2. do.

[0006] Safe work is possible by installing outriggers as shown above. However, outriggers are small structures compared to the size of the work vehicle, and the outriggers are small structures compared to the size of the work vehicle. Its tip protrudes considerably from frame 1 and is located close to the ground surface. It is difficult to visually recognize other work vehicles such as trucks and forklifts at the work site. There was a collision with an outrigger. If the outrigger receives an impact or breaks, the suspended load may swing or This is extremely dangerous as it may cause falls, overturning of the work vehicle, etc.

[0007] This prevents other work vehicles such as trucks and forklifts from colliding with the outriggers. At work sites where The method used was to place cones, etc., to draw attention. Be careful with this method However, it is necessary to prepare separate equipment for this purpose. After setting the trigger, it is necessary to set up the tools in the appropriate position, which can be a complicated process. There was a problem.

[0008]

[Problem that the idea aims to solve]

The problem with the conventional technology is to alert other work vehicles to avoid colliding with the outriggers. You don't have to prepare any separate tools to install the outriggers, and other work vehicles can This can be resolved to alert people to avoid colliding with the outriggers. This is a challenge.

[0009]

[Means to solve the problem]

In order to achieve the above purpose, the outrigger of this invention has an outer box and an extendable and retractable structure inside the outer box. Equipped with an inner box that is inserted into the work vehicle such as mobile crane vehicles and aerial work vehicles. An outrigger, the base end of the outer box being swingably pivoted to one side of the vehicle frame. At the same time, a jack cylinder is used to connect the tip of the outer box and the other side of the vehicle frame. When the inner box is reduced, the outrigger is attached to the top of the inner box at the appropriate place. A tip indicator light is provided that protrudes from the top of the inner box when it is stored and the inner box is not shrinking. be.

0010

[Effect]

To install the outrigger, operate the slide cylinder 4 and extend the inner box 3. , the inner box 3 has a tip indicator light attached to the inner box 3 that is positioned outward from the tip of the outer box 2. When the amount of extension is reached, the tip indicator light stored in the inner box 3 protrudes from the top surface of the inner box 3. , lights up or flashes to call attention. In order to store the outriggers, the slide cylinder 4 is operated to reduce the inner box 3. Inner box 3 where the position of the tip indicator light attached to inner box 3 is inward from the tip of outer box 2 When the amount of extension reaches is pushed and stored in the inner box 3.

[0011]

【Example】

Embodiments of the present invention will be described below with reference to FIGS. 1 to 3. Since the symbols 1 to 7 explained in FIG. 4 as the conventional technology are the same, they will be explained below. In the explanation below, the same reference numerals will be used and the explanation will be omitted. A first embodiment is shown in FIG. 1 and will be described. 8 is a tip indicator light, 9 is a frame for attaching the tip indicator light, and 10 is a tip indicator light. , a guard, 11 is a pin that swingably supports the frame 9, and 12 is a guard. It is a spring that biases the end indicator light in the projecting direction, and 13 is a stopper. The tip indicator light 8 is provided with a notch at a suitable position on the tip of the top surface of the inner box, and The frame is pivotally supported by a pin 11 attached to the inner box 3 horizontally and at right angles to the frame. A guard 10 is provided at 9 to prevent damage to the tip indicator light 8 and to provide rotational abutment during storage. It is installed surrounded by It rotates between a protruding position protruding to the outside of the inner box 3. Guard 10 is surrounded by wire material. It is designed for good visibility from the surrounding area. The notch is in the retracted position with the tip indicator light 8 It has a size that does not hinder rotation between the position and the protruding position protruding to the outside of the inner box 3. ing. The spring 12 has one end attached to the inner box 3 and the other end attached to a lever fixed to the frame 9. The mounting end indicator light 8 always urges the frame 9 in the protruding direction of rotation, and the The capper 13 is located at an appropriate protruding position to stop the rotation of the frame 9 in the protruding direction. It is fixed to the inner box 3 so as to come into contact with the frame 9.

0012 The outrigger of the present invention configured as described above operates as follows. When working, the float 6 will respond to the force received from the float 6 during work. Place the vehicle flex at a location where the operator determines that the supporting ground of the ground is sufficient. The inner box 3 is completely retracted into the outer box 2, which is located almost horizontally below the arm 1. , actuate and extend the slide cylinder 4. Operate the slide cylinder 4 to move the inner box 3 When slightly extended, it is pivotally connected to the tip of the inner box 3 by a pin 7. The surface opposite to the ground plane of the ground plate is in contact with the opening at the end of the outer box 2 when the ground plate is in the stored state. The float 6 rotates around the pin 7 due to its own weight, and its grounding surface becomes downward. moreover The slide cylinder 4 is operated to extend the inner box 3, and the tip indicator light 8 attached to the inner box 3 is When the position of the inner box 3 reaches the extent that the inner box 3 has protruded outward from the tip of the outer box 2, the upper inner part of the outer box 2 The guard 10, which was in sliding contact with the surface and prevented from rotating in the protruding direction, is no longer blocked. The frame 9 rotates around the pin 11 due to the biasing force of the spring 12 and is stored in the inner box 3. The tip indicator light 8 protrudes from the top of the inner box 3 and lights up or flashes to warn you. wake up The amount of protrusion of the tip indicator light 8 from the top surface of the inner box 3 is the direction in which the frame 9 protrudes. This is done properly by the stopper 13 which abuts against and stops the rotation in the direction. Furthermore, operate the slide cylinder 4 to extend the inner box 3 to the desired position, and then Extend the cylinder 5, lower the tip of the outer box 2, ground the float 6, and then lower the car. Lifting the body completes the outrigger installation. Stability during work is ensured and installation of a tip indicator light 8 to warn other work vehicles from colliding with the outrigger. This means that the work can be done safely.

[0013] When the work is finished, the outriggers are stored, but first the jack cylinder 5 Reduce the size of the outer box 2, raise the tip of the outer box 2, and place the outer box 2 almost horizontally just below the frame 1 of the vehicle. Then, the slide cylinder 4 is retracted. Tip indicator light attached to inner box 3 When the position 8 reaches the extent that the inner box 3 extends inward from the tip of the outer box 2, the guard 10 It is pressed against the tip of the outer box 2 until the guard 10 slides into contact with the upper inner surface of the outer box 2. Then, store the tip indicator light 8 attached to the frame 9 together with the frame 9 in the inner box 3. rotate in the direction. By turning, the lighting or blinking of the tip indicator light 8 is canceled. In addition, the float 6 is configured such that the proximal side surface of the inner box 3 of the ground plate is in contact with the tip of the outer box 2. When the inner box 3 is fully retracted, the surface opposite to the ground plane of the ground plate is at the tip of the outer box 2. The storage is completed when it comes into contact with the end opening. Just retract the outriggers The end indicator light 8 can be stored at the same time and can be stored inside the inner box 3.

[0014] A second embodiment is shown in FIG. 2 and will be described. 8 is a tip indicator light, 9 is a frame for attaching the tip indicator light, and 10 is a tip indicator light. , is a guard, 12 is a spring that biases the tip indicator light in the protruding direction, and 14 is a guard. is a guide. The tip indicator light 8 is provided with a notch at a suitable position on the tip of the top surface of the inner box 3, and has A guide 14 is fixed to the upper inner surface of the inner box 3 with its axial direction perpendicular to the direction and vertically. The tip indicator light 8 is mounted on a frame 9 which is guided by the frame 9 and pivoted so as to be slidable in the vertical direction. It is installed surrounded by a guard 10 provided for rotational abutment when stopping and storing. As the frame 9 slides, it is stored in the inner box 3 and protrudes outside the inner box 3. Move to and from the protruding position. Guard 10 is a wire-like material with good visibility from the surrounding area. It's made to look ugly. The notch allows the tip indicator light 8 to protrude to the storage position and to the outside of the inner box 3. It has a size that allows it to slide between the protruding position and the protruding position. spring 12 is a slide whose one end is attached to the inner box 3 and the other end is attached to the frame 9, and the tip indicator light 8 always protrudes. The frame 9 is urged in the moving direction, and the frame 9 is in contact with the lower surface of the guide 14. A stopper acts as a stopper to stop the frame 9 from sliding in the protruding direction at an appropriate protruding position. The eyes also play.

[0015] The outrigger of the present invention configured as described above operates as follows. When working, the float 6 will respond to the force received from the float 6 during work. Place the vehicle flex at a location where the operator determines that the supporting ground of the ground is sufficient. The inner box 3 is completely retracted into the outer box 2, which is located almost horizontally below the arm 1. , actuate and extend the slide cylinder 4. Operate the slide cylinder 4 to move the inner box 3 When slightly extended, it is pivotally connected to the tip of the inner box 3 by a pin 7. In the stored state, the surface opposite to the ground plane of the ground plate is in contact with the opening at the end of the outer box 2. The float 6 rotates around the pin 7 due to its own weight, and its grounding surface becomes downward. Sara The slide cylinder 4 is operated to extend the inner box 3, and the tip indicator light attached to the inner box 3 is When the position 8 reaches the amount of extension of the inner box 3 that has protruded outward from the tip of the outer box 2, the upper part of the outer box 2 The guard 10 that was in sliding contact with the inner surface and was prevented from sliding in the protruding direction is released. The frame 9 slides along the guide 14 due to the biasing force of the spring 12 and is attached to the inner box 3. The stored tip indicator light 8 protrudes from the top of the inner box 3 and lights up or flashes to warn you. evoke. The amount of protrusion of the tip indicator light 8 from the top surface of the inner box 3 is the same as the protrusion of the frame 9. The stopper part on the bottom of the guide 14 stops the sliding in the direction of It is done properly. Furthermore, operate the slide cylinder 4 to move the inner box 3 to the desired position. Then extend the jack cylinder 5 and lower the tip of the outer box 2 to release the flow. The installation of the outriggers is completed by grounding the toe 6 and further lifting the vehicle body. Safety during work This will ensure that the outriggers are secure and alert other work vehicles to avoid colliding with the outriggers. The installation of the tip indicator light 8 has also been completed, and the work can be done safely.

[0016] When the work is finished, the outriggers are stored, but first the jack cylinder 5 Reduce the size of the outer box 2, raise the tip of the outer box 2, and place the outer box 2 almost horizontally just below the frame 1 of the vehicle. Then, the slide cylinder 4 is retracted. Tip indicator light attached to inner box 3 When the position 8 reaches the extent that the inner box 3 extends inward from the tip of the outer box 2, the guard 10 It is pressed against the tip of the outer box 2 until the guard 10 slides into contact with the upper inner surface of the outer box 2. Insert the tip indicator light 8 attached to the frame 9 along with the frame 9 along the guide 14. It slides in the direction to be stored in the box 3. The tip indicator light 8 lights up or lights up by sliding. Destruction is lifted. In addition, the float 6 is such that the proximal side surface of the inner box 3 of the ground plate is at the tip of the outer box 2. It contacts the end and rotates around the pin 7, and when the inner box 3 is fully retracted, the reaction of the ground plane of the ground plate Storing is completed when the facing side comes into contact with the opening at the tip of the outer box 2. Outrigger By simply storing the tip indicator light 8, you can also store the tip indicator light 8 at the same time, and it can also be stored inside the inner box 3. It is.

[0017] A third embodiment is shown in FIG. 3 and will be described. 8 is a tip indicator light, 9 is a frame for attaching the tip indicator light, and 10 is a tip indicator light. , is a guard. The tip indicator light 8 is provided with a notch at a suitable position on the tip of the top surface of the inner box, and the top end of the float 6 The frame 9 fixed to the end is surrounded by a guard 10 provided to prevent damage to the tip indicator light 8. When the float 6 rotates, it moves into the inner box 3 along with the frame 9. It rotates between a storage position where it is stored and a protrusion position where it protrudes outside the inner box 3. said notch When the tip indicator light 8 rotates between the retracted position and the protruding position protruding outside the inner box 3. It has a size that does not cause any problems. Guard 10 is a wire-shaped material that is visible from the surrounding area. The side surface of the ground plate of the float 6 touches the tip of the outer box 2. Size and position that will not interfere with the tip of the outer box 2 when it contacts and rotates around the pin 7 is selected.

[0018] The outrigger of the present invention configured as described above operates as follows. When working, the float 6 will respond to the force received from the float 6 during work. Place the vehicle flex at a location where the operator determines that the supporting ground of the ground is sufficient. The inner box 3 is completely retracted into the outer box 2, which is located almost horizontally below the arm 1. , actuate and extend the slide cylinder 4. Operate the slide cylinder 4 to move the inner box 3 When slightly extended, it is pivotally connected to the tip of the inner box 3 by a pin 7. In the stored state, the surface opposite to the ground plane of the ground plate is in contact with the opening at the end of the outer box 2. The float 6 rotates around the pin 7 due to its own weight, and its grounding surface becomes downward. tip Since the frame 9 with the indicator light 8 attached is fixed to the upper end of the float 6, The tip 6 rotates around the pin 7 due to its own weight, and at the same time the ground surface becomes downward, the tip The indicator light 8 rotates and protrudes from the top of the inner box 3 and lights up or flashes to call attention to it. . Furthermore, operate the slide cylinder 4 to extend the inner box 3 to the desired position, and then move the inner box 3 to the desired position. Extend the shaft cylinder 5, lower the tip of the outer box 2, ground the float 6, and then Lifting the vehicle body completes the outrigger installation. Stability during work is ensured. The tip indicator light 8 is installed to alert other work vehicles to avoid colliding with the outrigger. Once the installation has been completed, the work can be done safely.

[0019] When the work is finished, the outriggers are stored, but first the jack cylinder 5 Reduce the size of the outer box 2, raise the tip of the outer box 2, and place the outer box 2 almost horizontally just below the frame 1 of the vehicle. Then, the slide cylinder 4 is retracted. Float 6 is the inner box of the ground plate The proximal side surface of 3 contacts the tip of the outer box 2 and rotates around the pin 7, and the entire inner box 3 is rotated. When compressed, the surface opposite to the ground surface of the ground plate is in contact with the opening at the end of the outer box 2. Storage is complete. The frame 9 with the tip indicator light 8 attached is fixed to the upper end of the float 6. Since the float 6 rotates around the pin 7, the tip indicator light 8 is rotated and stored in the inner box 3, and the tip indicator light 8 lights up or flashes due to the rotation. It will be canceled. Just by retracting the outriggers, you can also retract the tip indicator light 8 at the same time. can also be stored inside the inner box 3.

[0020] In the above explanation, the method of lighting or flashing the tip indicator light 8 is not mentioned. However, the tip indicator light 8 moved to the protruding position due to the rotation or sliding of the frame 9. If this is detected by a limit switch etc., it can be easily activated, so I will not explain it. Omit the description.

[0021] In addition, in a work vehicle with a rotating body, the rear end of the rotating body is at the tip of the extended outrigger. Since it passes over the top of the end, if the tip indicator light 8 is equipped, it will indicate the turning area, It also calls attention to turning.

[0022]

[Effect of the idea]

Just by installing outriggers, you can ensure stability while working and also make it easier to perform other tasks. The installation of the tip indicator light 8, which alerts the driver to avoid collisions with the outriggers, has also been completed. Work can be done safely. Furthermore, when the outrigger inner box is reduced and stored, Since the end indicator light 8 is stored in the outer box and does not protrude, there are no unnecessary protrusions and it is safe. In this way, you can not only ensure safety when using outriggers, but also ensure safety when not in use. The outrigger of the present invention, which has a tip indicator light 8 that does not become an obstacle, is effective in terms of safety. It is a big thing.

[Brief explanation of drawings]

FIG. 1 is an explanatory diagram showing a first embodiment of an outrigger of the present invention.

FIG. 2 is an explanatory diagram showing a second embodiment of the outrigger of the present invention.

FIG. 3 is an explanatory diagram showing a third embodiment of the outrigger of the present invention.

FIG. 4 is an explanatory diagram showing a conventional outrigger.

[Explanation of symbols]

1 frame 2 Outer box 3 Inner box 5 Jack cylinder 8 Tip indicator light

──────────────────────────────────────────────── ─── Continued from the front page (51) Int.Cl. ⁵ Identification code Internal reference number FI Technical display location B66F 9/075 L 8611−3F 9/24 Z 8611−3F 11/04 E02F 9/08 A 9022− 2D

Claims (1)

[Scope of utility model registration request] Claim 1: An outrigger equipped on a work vehicle such as a mobile crane vehicle or an aerial work vehicle, comprising an outer box and an inner box telescopically inserted into the outer box, wherein In an outrigger whose end is swingably supported on one side of the vehicle frame and the tip of the outer box and the other side of the vehicle frame are connected by a jack cylinder, the tip of the inner box is attached to the appropriate position on the top surface of the inner box. An outrigger characterized by being provided with a tip indicator light that is stored in the inner box when the inner box is being reduced and projects from the top surface of the inner box when the inner box is not being reduced.