JPH04138086U - Basket for work at height and rough terrain crane - Google Patents

Abstract

(57) [Summary] [Purpose] To transport a basket for high-altitude work that has been removed from the telescopic boom of a rough terrain crane by loading and securing it onto the vehicle itself. [Configuration] Openings 44 with a width that allows the telescopic boom to fit loosely into each of the opposite sides of the protective frame 42 of the basket 4 for high-altitude work, which is a simple high-altitude work platform that is attached to the tip of the telescopic boom of a rough terrain crane. will be established. [Effect] With the opening 44 of the protective frame 42, even if the basket 4 for high-altitude work is placed on the traveling vehicle body of the rough terrain crane, the telescopic boom can be brought down without interfering with the basket 4 for high-altitude work, allowing the rough terrain crane to can be put into a running position.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This invention relates to a basket for high-altitude work and a rough terrain crane. A basket for high-altitude work that can be loaded onto the traveling body of a small rough terrain crane. A rough terrain platform that can be used to securely transport a kit and this basket for high-altitude work. It concerns cranes.

0002

[Conventional technology]

As is well known, various types of high-altitude work such as electrical cable work, telephone line work, and building window cleaning are required. When doing Dedicated aerial work vehicles are often used.

0003 However, when performing simple work at heights, such as replacing signboards and lighting, If necessary, use a small rough terrain crane (hereinafter referred to as the crane). A basket for high-altitude work (hereinafter referred to as , basket) is installed, and in addition to normal crane work, it can also be used for simple crane operations such as those mentioned above. Increasingly, workers are also engaging in work at heights.

0004

[Problem that the idea aims to solve]

By the way, the crane is in the position where the basket is still supported at the tip of the telescopic boom. Retracting the telescopic boom and folding it forward to move around the work site is done without the driver's visibility. This is unfavorable for traffic safety as it obstructs the field of view, so please remove this basketball from the tip of the telescopic boom. Remove the seat and fold the contracted telescopic boom forward to move it into a running position. Must.

[0005] In particular, for small cranes, the basket is placed on the widthwise end of the traveling vehicle body. There is no space to load the vehicle without protruding from the width of the vehicle, so the vehicle must be loaded in the center of the width of the vehicle. The telescopic boom will touch the upper end of the basket and move the telescopic boom to the running position. I can't defeat Mu. Therefore, the basket removed from the telescopic boom must be It is necessary to transfer the product to a truck or the like and transport it separately to the next work site, which reduces transportation costs. There was an issue that needed to be resolved that would put us at a disadvantage.

[0006] Therefore, in this invention, the basket removed from the telescopic boom is attached to the crane's traveling body. Providing a basket and a crane that can be loaded, fixed, and transported in a traveling position. purpose.

[0007]

[Means to solve the problem]

With this invention, even if the basket is placed and fixed on the crane's traveling body, the crane Focusing on the fact that it would be good if the telescopic boom could be folded down so that the engine was in a running position. This solves the above problem.

[0008] Therefore, the feature of the basket according to claim 1 is that the telescopic lever of the crane is a support member that is removably attached to the tip of the arm; a work platform on which a worker, etc. rests; a protective frame provided on the outer edge of the workbench and to which one end side of the support member is pivotally attached; A basket comprising a telescoping boot on each opposite side of said protective frame. It is located in a place where an opening is provided into which the frame can be loosely fitted.

[0009] Furthermore, the basket according to claim 2 is characterized by a rough terrain clay The supporting member is removably attached to the tip of the telescopic boom of the machine, and the A support member is provided on the outer edge of the workbench and one end of the support member is pivotally attached. In the basket for high-altitude work comprising a protective frame, the opposite side of the protective frame Provide an opening in each of the openings into which the telescopic boom can fit loosely, and at least one of the openings has an opening in the front. This is where a boom receiving member is provided, which the lower surface of the telescoping boom comes into contact with.

0010 Further, the crane according to claim 3 is characterized in that a vertical shaft is mounted on the traveling vehicle body. The upper revolving body is supported so that it can freely rotate around the center, and the upper revolving body can expand and contract freely. In a rough terrain crane in which a boom is supported, the lower part of the telescopic boom is a basket in which a lower part of the basket for high-altitude work engages on top of a traveling vehicle body at a position; This is where the locking member is attached.

[0011]

[Effect]

According to the basket according to claims 1 and 2 of the present invention, the traveling vehicle of the crane A telescoping boom is located on each opposite side of the protective frame of the basket loaded on top of the body. There is an opening that can be loosely fitted, so the telescopic boom can be folded inside this opening. This allows the crane to be placed in a running position.

0012 According to the crane according to claim 3 of the present invention, the crane can move at the lower position of the telescopic boom. The basket according to claim 1 and claim 2 is mounted on the basket mounting member on the traveling vehicle body. The lower part of the former basket is attached to a bar attached to the top of the vehicle. The latter basket is locked to the basket locking member to prevent its movement. The lower surface of the telescoping boom comes into contact with the boom receiving member of the Its movement is prevented by the stop member.

[0013]

【Example】

Below, examples related to the basket and crane of the present invention are shown in a perspective view of the basket. Figure 1 and the front of the crane showing the basket loaded and fixed on the traveling vehicle body Figure 2 is a side view of the part, Figure 3 is a view in the direction of arrow A in Figure 2, and the basket installed on the traveling vehicle body. This will be explained with reference to FIG. 4, which is an explanatory diagram of the structure of the fixing device.

[0014] Reference numeral C shown in FIGS. 2 and 3 is a crane having a well-known configuration, and it is explained in more detail. is a traveling vehicle body 1 and a vehicle supported on the traveling vehicle body 1 so as to be rotatable around a vertical axis. The transfer room 2 is supported on the left side of the driver's cab 2 so that it can be raised and lowered freely, and is shared with the driver's cab 2. It consists of a multi-stage telescopic boom 3 that is rotated.

[0015] In order to use Crane C with this configuration as an aerial work vehicle, a telescopic bracket is installed. A basket 4 having a structure to be described later is detachably attached to the tip of the arm 3. As shown in FIG. 1, the structure of the basket 4 is as follows: The board is bent and formed to prevent accidents such as workers falling onto the outer edge. A protective frame 42 is provided. Note that this protective frame 42 has a framework structure using pipes. It may be in the shape of a fence.

[0016] On the side near the top of the protective frame 42, one end side of a support member 43 on a pair of levers is provided. are connected by pins, and in the direction orthogonal to the pin connection part of the support member 43, respectively. An opening 44 is provided with a width that allows the telescopic boom 3 to fit loosely therein.

[0017] This opening 44 also serves as a boarding entrance for workers, etc., but if this opening 44 is open, If the vehicle is left unattended, even if the workers who board the vehicle use safety belts, workers may fall. Safety bars that swing horizontally to open and close each opening 44 to prevent the risk of falling 45 are provided.

[0018] In other words, if a worker etc. is in the basket 4, the safety bar 45 is closed. This closes the opening 44 and ensures safety when placing it on the traveling vehicle body 1. Open all the bars 45 and fix the free end side to the upper end of the protective frame 42 to prevent rattling. It is constructed so that it can be stopped. Furthermore, at the bottom of the workbench 41 of the basket 4, The bottom of the basket 4 is used as an engaging part for placing the basket 4 on the traveling vehicle body 1. A pair of locking projections 46 projecting outward are attached to the portion.

[0019] On the other hand, as shown in FIG. A pair of parallel channel members 51 fixed thereon, and these channel parts. A rubber sheet 52 fixed to the bottom surface of the channel member 51 and a rubber sheet 52 fixed to the bottom surface of the channel member 51 and is fixed to the top of the traveling vehicle body 1 at a position corresponding to the end in the longitudinal direction, and A block 53 having a male screw protruding from the block 53 and a through hole through which the male screw is passed. and a fixing bar 54 whose both ends abut against the locking protrusion 46, and a fixing bar 54 which is screwed onto this male screw. A basket fixing device 5 consisting of a wing nut 55 is attached.

[0020] In other words, the engagement protrusion 46 fits into the groove of the channel member 51, and the engagement protrusion 46 Place both ends of the fixing bar 54 on top of the block 53 that passes through the through hole. When the wing nut 55 is screwed onto the male screw and tightened, the lower surface of the engagement protrusion 46 will be attached to the rubber sheet 52. The basket 4 is fixed on the traveling vehicle body 1 in a pressed state, and the rubber sheet Due to the elastic force of 52, basket 4 can be transported by crane C without rattling. It is configured to obtain.

[0021] Below, the free end side of each of the support members 42 is provided at the tip of the telescopic boom 3. It is attached to a mounting bracket (not shown) by mechanical means such as bolts. The basket 4 is loaded and fixed onto the traveling vehicle body 1, and the crane C is placed in the traveling position. The work procedure until the telescopic boom 3 is folded down will be explained.

[0022] First, fold down the telescopic boom 3 and attach the support member 43 to the mounting bracket at the tip of the telescopic boom 3. Then attach the removed basket 4 to the hook of the telescopic boom 3 with a wire. Hang the rope and lift it. Then, while raising the telescopic boom 3, open it by rewinding it. Place the basket at a predetermined position on the vehicle body 1 so that the opening 44 is in the front and back direction of the vehicle body 1. 4, the lowered basket 4 is moved by the basket fixing device 5. Fix it on top of the vehicle body 1.

[0023] Next, the telescopic boom 3 is retracted and brought down to the front side of the crane C, but the basket 4 is provided with an opening 44, so that the telescopic boom 3 can be opened as shown in Figures 2 and 3. Since it fits loosely into the opening 44, the telescopic boom 3 can be folded down without any problem. This allows the crane C to be placed in a traveling position.

[0024] In this way, after loading and fixing the basket 4 on the traveling vehicle body 1, the telescopic boom Crane C can be put into a running position by simply folding down 3, so when moving to the site, it is easier to move than before. There is no need to send the basket 4 separately.

[0025] By the way, crane C like this is generally a vehicle that has passed vehicle inspection, so it cannot be driven on public roads. In doing so, a problem arises regarding the weight of the vehicle. In that case, apply for modification of the crane. All you have to do is go there, undergo the prescribed inspection, and obtain permission from the Land Transport Bureau.

[0026] In addition, a through hole is provided in one or more places of the work platform plate 41, and a screw is inserted at the tip on the traveling vehicle body 1. A locking protrusion having a portion is provided in the through hole when the basket 4 is lowered. It can also be fixed by threading a nut onto the threaded portion of the threaded portion.

[0027] Furthermore, a wire rope is hung over the entire basket 4 and fixed on top of the traveling vehicle body 1. A primitive method of securing the cargo may also be used, so please pay particular attention to the means of securing the basket 4. However, it is not limited.

[0028] Next, another example related to a basket and a crane will be explained about the basket mounting state. Components that are the same as those in the above embodiment will be described using the same reference numerals with reference to FIG. First, to explain the structure of the basket 4, the lower end surface of the opening 44 of the basket 4 will be described. When the telescopic boom 3 is in the running position, the lower surface of the telescopic boom 3 is tilted. A boom receiving member 47 made of a plate material having a sloped surface is provided.

[0029] On the other hand, a rectangular frame 11 made of square steel is fixed onto the traveling body 1 of the crane. The configuration is as follows. In other words, the basket 4 fits inside this frame 11. It will be placed in the same condition.

[0030] Therefore, when the telescopic boom 3 is folded down to the traveling position, the bottom surface of the telescopic boom 3 is Since the slope of the boom receiving member 47 is pressed, the basket 4 is fixed on the traveling vehicle body 1. At the same time, this basket 4 will not be damaged by the frame, regardless of vibration caused by the movement of the crane. 11, it continues to be placed on the traveling vehicle body 1 without causing any displacement.

[0031] As is well understood from the above description, the basket 4 according to this embodiment is In addition to not requiring a fixing mechanism as in the embodiment described above, it is possible to simply fold down the telescopic boom 4. Since it is fixed on top of the traveling vehicle body, it is extremely economical and easy to fix. It is advantageous. Note that in order to prevent damage to the bottom surface of the telescopic boom 3, It is preferable to attach, for example, a rubber sheet to the slope of the arm receiving member 47.

[0032]

[Effect of the idea]

As detailed above, according to the basket and crane according to the present invention, the crane Even if the basket is placed on top of a running vehicle, there will be no telescopic boot inside the opening of the basket. The crane can be placed in a running position by folding down the frame, and this can also be used as a running vehicle. Since it can be locked on top of the body, the removed basket can be shipped separately like in the past. As a result, there are advantages in terms of transportation costs for the baskets, and there is no need to An extremely large effect on reducing work costs can be expected.

[Brief explanation of drawings]

FIG. 1 is a perspective view of a basket according to an embodiment of the present invention.

FIG. 2 is a side view of the front part of the crane showing a state in which the basket according to the embodiment of the present invention is loaded and fixed on a traveling vehicle body.

FIG. 3 is a view taken along arrow A in FIG. 2;

FIG. 4 is a configuration explanatory diagram of a basket fixing device provided on the traveling vehicle body.

FIG. 5 is an explanatory diagram of a basket placement state according to another embodiment of the present invention.

[Explanation of symbols]

C... Crane, 1... Traveling vehicle body, 11... Frame, 2... Driver's cab, 3
…Telescopic boom, 4…Basket, 41…Work platform, 42…Protection frame, 43…Support member, 44…Opening, 45…Safety bar, 46…Latching protrusion, 47…Boom receiving member, 5…Basket fixing device ,
51...Channel member, 52...Rubber sheet, 53...Block,
54...fixing bar, 55...wing nut.

──────────────────────────────────────────────── ─── Continued from front page (51) Int.Cl. ⁵ Identification code Internal reference number FI Technical display location B66F 11/04

Claims (3)

[Scope of utility model registration request] 1. A support member detachably attached to the tip of a telescoping boom of a rough terrain crane, a work platform on which a worker or the like stands, and a support member provided on the outer edge of the work platform, and a A basket for high-place work comprising a protective frame to which one end is pivotally attached, characterized in that each of the opposite sides of the protective frame is provided with an opening into which a telescoping boom can be fitted loosely. basket. 2. A support member removably attached to the tip of a telescoping boom of a rough terrain crane, a work platform on which an operator or the like stands, and a support member provided on the outer edge of the work platform, and a A basket for high-altitude work comprising a protective frame whose one end side is pivotally mounted, an opening into which a telescopic boom can be fitted loosely is provided on each of the opposing sides of the protective frame, and at least one of the openings is provided with an opening into which the telescopic boom can be loosely fitted. A basket for high-altitude work, characterized by being provided with a boom receiving member against which the lower surface of the basket comes into contact. 3. A rough terrain crane in which an upper rotating body is supported on a traveling vehicle body so as to be able to freely rotate around a vertical axis, and a telescoping boom is supported by the upper rotating body so as to be able to freely raise and lower, wherein the lower part of the telescopic boom is A rough terrain crane characterized in that a basket locking member is provided on the traveling vehicle body at a position where the lower part of the basket for high-altitude work engages.