KR20080100523A - A aerial ladder car - Google Patents

Abstract

A multi-stage elevated ladder truck is provided to confirm the movement and installation state of the top boom stand checking the front state at the same time when the boom stand is extended. A multi-stage elevated ladder truck(70) comprises as follows. Multi-stage expansion and contraction boom stand(20) and 1 shift base boom stand(10-1) integrally form pairwise, the upper frame and the lower frame in which the length is long and width becomes narrow with the support bar. In the leading end of 1 shift base boom stand, the boom stand anchor stopper is mounted. In the both side of vertical hem of the top boom stand(10-n), the bucket(30) is set up in the respective axis in order to control the installation state with the supporting apparatus. In the leading end of the top boom stand, in order to mount the CCD camera(36) and the state where the top boom stand moves is confirmed by the installed monitor the state is comprised.

Description

Multi-stage high ladder car {A AERIAL LADDER CAR}

1 is an exemplary view showing a multi-stage high ladder according to the present invention.

Figure 2 is a perspective view showing a multi-stage high ladder device mounted on a multi-stage high ladder according to the invention.

Figure 3 is an extract showing a folding / deploying boom of the multi-stage high ladder according to the present invention.

4 to 5 is a perspective view of the boom of the multi-stage ladder according to the present invention.

6a and 6b are explanatory views of the operation relationship of the detention apparatus mounted to the front end of each boom in the multi-stage high ladder according to the invention.

Figure 7a and Figure 7b is a diagram illustrating the installation state and operation relationship of the basket on the top boom in the multi-stage high ladder according to the invention.

Explanation of symbols on the main parts of the drawings

1: multi-ladder ladder 2: base frame 5: telescopic cylinder

7: Cylinder for angle adjustment 8: Base boom stand mounting base 10-1: 1 stage base boom stand

20: Telescopic boom 10-n: Top boom 30: Bucket

31: bucket support device 36: CCD camera 38: cart

40: Boom restraint stopper device 50: Base end mounting piece 52: Tip mounting piece

55: rear mounting piece 57: folding wire rope 60: guide leg device

70: multi-stage ladder

The present invention relates to an elevated ladder vehicle, such as a fire truck or moving vehicle equipped with a multi-stage ladder, used to rescue lives, extinguish a fire, or raise and lower cargo (moving).

In more detail,

On the upper side of the base frame, the first stage base boom can be inclined upward or horizontally downward by the angle adjusting cylinder, and the first stage base boom is gradually reduced in width and height. When the boom stand is stacked and installed in multiple stages, and the two-stage boom stage, which is charged inside the base boom stage, is deployed and folded by the expansion cylinder, the booms of each stage that are loaded in multiple stages inside the second stage boom stage are collectively deployed or What is claimed is: 1. A vehicle comprising a ladder which is folded and is capable of moving a bogie up and down along an upper surface of a deployed boom;

The high ladder device mounted on the vehicle is formed by a pair of upper and lower frames, each of which has a long and narrow stage, with a single-base boom and a telescopic boom of each stage. It is formed to prevent twisting, and it is equipped with a boom restraining stop device at the tip of the first stage boom to prevent the detachment of the second boom when the boom is stretched, and a guide bridge is installed at the tip of the top boom. The legs can be folded and deployed, and the buckets are installed on both sides of the top boom so that they can be changed by the support device.The top boom is equipped with a CCD camera at the top of the top boom to extend the boom. Improved to be able to check moving status by monitor installed separately; To provide a multi-stage high ladder vehicle characterized by.

As a conventional multi-stage high ladder device mounted on a vehicle, Korean Patent Publication No. 10-1995-1058, Korean Utility Model Publication No. 20-1998-62813 and Utility Model Registration No. 20-166629 are known. .

The 'high ladder extension device' of Korean Patent Laid-Open Publication No. 10-1995-1058 has a plurality of ladders (booms) whose width and height gradually become smaller to overlap each other so that they can be expanded (folded) and folded by the extension device. However, a cylinder is mounted between the lower end of the first ladder and the upper end of the second ladder overlapping the inside of the first ladder, and the bottom end of the first ladder (outer ladder) and the second ladder (intermediate ladder) The bottom end of the 3rd ladder (inner coupling ladder) coupled to the inner side of the ladder is fixed to both ends of the same folding wire rope, respectively, and the bottom end of the 2nd ladder by attaching a roller to the bottom front and 3 of the ladder It is installed repeatedly on ladders (2 to 4, 3 to 5, 4 to 6) that are overlapped and joined in multiple stages by hanging folding wire ropes fixed at both ends to the rear end of the ladder. Buy in Operating the cylinders mounted between the the forward / reverse it so that the combined two to six times a ladder are deployed or folded in a batch so as to overlap the inner Saadi Lee once.

In the Utility Model Publication No. 20-1998-62813, the structure of a ladder frame of a high ladder vehicle is formed to form a ladder frame that is installed in multiple stages by being inserted so as to overlap each other. In the state in which the side frames are spaced at regular intervals, the bottom surface between them is connected by a plurality of horizontal frames.

Utility model registration No. 20-166629 'vehicle detachable hydraulic ladder', when forming a ladder to be installed in multiple stages to be inserted so as to overlap, forming a side frame of each pair of ladders integrally, the side frame is fixed It is made by connecting the bottom surface between them in a number of horizontal frames while being spaced apart.

However, since they are integrally formed with each ladder (ladders 1 to 6) or ladder frames that are overlapped and coupled in multiple stages, if the length is increased, distortion and bending occur, even when the ladder is deployed, This bending problem occurs, and since the weight is heavy, there is a problem in that a large capacity folding / unfolding cylinder and a lifting cylinder should be mounted in order to operate it.

In addition, since the top of the ladder is not equipped with accessories such as a bucket and a CCD camera, it is not possible to check the position of the ladder tip when the ladder is deployed. In addition, since the worker can not climb (move) to the top (top) of the ladder, there is a problem (simple) that the status of the ladder is installed and the working state using the bogie cannot be confirmed.

The present invention is to provide a multi-stage high ladder vehicle further improved to solve the above problems.

The present invention allows the first stage base boom to be inclined upwardly or horizontally downward with respect to the axis of the rear end by the angle adjusting cylinder on the upper side of the base frame, and the first stage base boom is gradually smaller (narrower) ) The paper is stored and installed in multiple stages so that multiple booms can be overlapped, and when the two-stage boom that is loaded inside the base boom is expanded and folded by the expansion cylinder, the booms of each stage that are loaded in multiple stages inside the second boom are collectively In the vehicle is mounted or folded folded, and the vehicle is equipped with an elevated ladder device to move the bogie up and down along the upper surface of the deployed boom;

The elevated ladder mounted on the vehicle consists of a single-stage base boom and each multi-stage telescopic boom in a unitary form of a pair of upper and lower frames, each of which is long and narrow, by a support bar. Equipped with a boom restraint stopper device, the induction leg device is installed at the tip of the top boom so that the guide leg can be folded and deployed. It is installed, and the top of the top boom is equipped with a CCD camera so that the state of the top boom can be confirmed by a monitor that is installed separately; to provide a multi-stage high ladder vehicle characterized in that the purpose.

Another object of the present invention, the one-stage base boom and each stage of the expansion boom is formed by integrally formed by the support bar of the upper and lower frames of a pair of long and narrow width by strengthening the strength while reducing the weight and weight twist To prevent the separation of the second stage boom when the boom is stretched, and to the guide bridge mounted on the top of the top boom. It is possible to easily carry out lifesaving by unfolding guided bridges.Each bucket installed on both sides of the top end of the boom can easily carry out work and check the working status by occupying work items or storing work items. At the tip of the boom, a CCD camera is attached to the top of the boom to separate the movement and installation of the top boom. The present invention aims to provide an improved multi-stage high ladder vehicle that can be carried out while being checked by the monitor of the company or to check the forward condition.

The above and other objects of the present invention,

An angle adjusting cylinder 7 is installed between the base frame 2 and the bottom of the first stage base boom 10-1, and the width and height of the first stage base boom 10-1 are gradually smaller. The second stage boom (10-2) to the top boom (10-n) of the expansion and contraction boom 20 is installed in multiple stages so as to overlap, and the lower end of the first stage base boom (10-1) and its 1 The expansion-cylinder 5 is mounted between the upper end of the second stage boom 10-2 overlapping the inside of the stage base boom 10-1, and the first stage base boom 10-1 that is overlapped and coupled. ) Any of three booms that are coupled to form an outer boom, an intermediate boom and an inner boom among the upper boom (10-n) to the bottom front end of the outer boom and the bottom rear end of the inner boom the same folding wire rope 57 Fix both ends of the rollers respectively, and the bottom end of the middle boom is equipped with a roller 53 by the bottom end and the inner boom of the outer boom It is repeatedly formed by mounting the folding wire rope 57 fixed to both ends at the rear end of the bottom, and the first stage base boom (10-1) to the second stage boom by the forward and reverse operation of the expansion cylinder (5) A multi-stage high ladder device configured to collectively deploy or fold (10-2) to the uppermost boom 10-n and move the bogie 38 up and down along the upper surface of the unfolded boom to the vehicle 71. In mounting;

The high ladder apparatus 1 mounted in the vehicle 71,

The single-stage base boom 10-1 is formed of a pair of upper frames 11 and lower frames 12, each of which has a long length and a narrow width, in an integral form in which the upper part is opened by a plurality of support bars, and the tip is supported at the tip. Integrally mounting the frame 18;

The upper and lower frames 21 and the lower frame 22 of a pair of long and narrow pairs of telescopic booms 20 forming a two-stage boom 10-2 to a top boom 10-n coupled in multiple stages. It is formed in an integral form the upper portion is opened by a plurality of support bars, and fixed to the frame support bar 27 at the front end integrally;

A boom restraining stopper device 40 is mounted on the front end of the first stage base boom 10-1 to suppress the withdrawal of the second stage boom 10-2;

A guide leg device (60) for folding and deploying the guide leg (61) to be installed at the tip of the top boom (10-n);

On both sides of the front end of the top boom (10-n), the bucket 30 is installed to each axis so as to adjust the installation state by the bucket support device 31;

The CCD camera 36 is mounted at the tip of the uppermost boom 10-n so that the moving state and the forward state of the uppermost boom 10-n can be confirmed by the monitor 37. It is achieved by the ladder apparatus amount 70.

The above and other objects and features of the present invention will be more clearly understood by the following detailed description based on the accompanying drawings.

1 to 7 show a specific implementation of the multi-stage ladder according to the present invention 70, Figure 1 is equipped with a multi-stage ladder unit 1 in the multi-stage ladder ladder 70 according to the present invention 2 and 3 are an exemplary view of a multi-stage high ladder apparatus 1 mounted on the multi-stage ladder according to the present invention, and an exemplary view of a folded / expanded state. 6A and 6B are explanatory views showing the extraction of the boom of the present invention, Figs. 6A and 6B are explanatory views of the operation relationship of the detention apparatus mounted to the present invention.

Multi-stage high ladder 70 according to the present invention was formed by mounting the multi-stage high ladder device (1) as illustrated in FIG.

On the upper surface of the base frame 2 mounted and fixed to the vehicle 71, one first mounting piece 3 is integrally formed at the front center and a pair of second mounting pieces 4 are formed side by side at both rear sides. It was.

An angle adjustment cylinder 7 was installed between the first mounting piece 3 of the base frame 2 and the mounting piece 6 integrally formed at the middle of the bottom surface of the first stage base boom 10-1. The rear end of the first stage base boom 10-1 is provided with a pair of base boom stand mounts 8 integrally, and each base boom stand mount 8 is provided with a second mounting piece 4 of the base frame 2. It was installed in each of the shafts, by the operation of the angle adjustment cylinder (7) to adjust the angle of the first stage base boom (10-1) and the expansion boom 20, which is mounted in multiple stages in the interior.

Inside the first stage base boom 10-1, the second stage boom 10-2 to the top stage boom 10-n formed of the telescopic boom 20 was accommodated in multiple stages.

At the lower end of the first stage base boom 10-1, the rear end of the telescopic cylinder 5 was mounted as an axis, and the second stage boom 10-2 accommodated inside the first stage base boom 10-1. The mounting piece 28 was fixed to the bottom end of the expansion rod, and the tip of the expansion rod 5-1 of the expansion cylinder 5 was mounted to the mounting piece 28 as the shaft.

The first stage base boom 10-1 in the above was formed in the shape of a frame in which the upper and front / rear is opened as illustrated in FIG.

A pair of long and narrow pairs of upper and lower frames 11 and 12 are arranged side by side, and vertical support bars 13 are provided at both sides between the upper and lower frames 11 and 12. And fixed to the side, and each side of the vertical support bar 13, the side inclined support bar 14 is fixed, and between the left and right lower frame 12, the bottom slope support bar 15 is installed at regular intervals fixed. It was.

The front and rear end supporting bars 16-1 and 16-1 were fixed to the lower front and rear ends, respectively, and the frame supporting bars 17 were fixed at regular intervals on the outside of the frame formed as described above. On the outer side of the tip, a tip support frame 18 having a trapezoidal shape having a narrow upper width and a lower width was integrally mounted by the fixing piece 18-1.

In the first stage base boom 10-1 formed in the shape of a frame as described above, the rear side of the tip support bar 16 is mounted with a boom stand retention stopper device 40 as illustrated in FIGS. 4, 6A, and 6B. It was.

The boom large restraint stopper device 40 is provided with a mandrel on the lower end of the tip support bar 16 by the fixed shaft 44 to the middle of the stopper 45 having a long length up and down, and drilled at the lower end of the stopper 45. The shaft hole 46 is connected to the shaft piece 42 fixed to the rod 41-1 of the cylinder 41 for detention stopper mounted on one side of the bottom support bar 16 by the shaft 43, for the detention stopper. By the forward and reverse operation of the cylinder 41, the stopper 45 is erected or laid on the basis of the fixed shaft 44, so that the rear end of the second stage boom 10-2 is detained or released.

The telescopic boom 20, which is stored in multiple stages inside the first stage base boom 10-1 and forms a second stage boom 10-2 to a top stage boom 10-n, whose width and height gradually become smaller, is shown in FIG. Formed as illustrated in 4.

A pair of long and narrow pairs of upper and lower frames 21 and 22 are arranged side by side, and vertical support bars 23 are provided at both sides between the upper and lower frames 21 and 22. The side slope support bar 24 is fixed between each vertical support bar 33, and the bottom slope support bar 25 is installed and fixed at regular intervals between the left and right lower frames 22. The frame was formed.

The tip support bar 16 is fixed to the bottom of the tip of the frame, and the frame support bar 27 is integrally fixed to the tip outer surface (bottom and left and right sides).

Bottom end of the outer boom in any three booms coupled to form an outer boom, an intermediate boom and an inner boom among each of the first stage base boom (10-1) to the top boom (10-n) overlapping as described above Both ends of the same folding and developing wire rope 57 are fixed to the rear end of the inner boom and the roller 53 is attached to the bottom end of the middle boom so that both ends of the bottom end of the outer boom and the bottom end of the inner boom are fixed. The fixed folding wire rope 57 was installed to be repeatedly formed.

That is, as shown in detail in FIG. 3, when the three booms are the first stage base boom 10-1, the second stage boom 10-2, and the third stage boom 10-3, the first stage base The front end fixing piece 51 and the rear end fixing piece are provided on the base end mounting piece 50 mounted on the bottom of the boom 10-1 and the rear end mounting piece 55 mounted on the bottom end of the three stage boom 10-3. Both ends of the folding wire rope 57 are fixed by using 55, and a roller 53 is attached to the tip mounting piece 52 mounted on the bottom end of the two-stage boom 10-2. The bottom end of the base end mounting piece 50 and the bottom end of the three-stage boom (10-3) and the end of the folding wire rope 57 for both ends is fixed.

If the three booms are the second-stage boom (10-2), the third-stage boom (10-3) and the four-stage boom (10-4), the tip mounted to the bottom of the second-stage boom (10-2) Both ends of the different folding wire ropes 57 are fixed to the front end mounting piece 52 of the mounting piece 52 and the rear end mounting piece 55 mounted on the rear end of the four stage boom 10-4, respectively. A roller 53 is attached to the distal end piece 52 mounted at the distal end of the three-stage boom 10-2 so that the bottom end and the four-stage boom 10-4 of the two-stage boom 10-2 are mounted. Hang the folding wire rope 57 is fixed to the rear end underneath.

In addition, although not specifically illustrated, when the three booms, the three-stage boom (10-3) and the four-stage boom (10-4) and the five-stage boom (10-5), four-stage boom (10-4) and 5 stage boom (10-5) and 6 stage boom (10-6), 5 stage boom (10-5) and 6 stage boom (10-6) and 7 stage boom (10-7), 6 Even in the case of the single boom stage 10-6, the seventh stage (10-7) and the n stage boom stage (10-n), the three boom stages are the second stage boom stage 10-2 and the three stage boom stage 10-3 and In the case of the four-stage boom 10-4, as described above, each of the folding wire ropes 57 is provided.

At the tip of the uppermost boom (10-n) was equipped with an induction leg device 60 that can be folded to deploy the guide leg 61 is installed, it was formed as follows.

At the tip of the uppermost boom 10-n, the guide leg 61 is installed with the shafts 63 and 64 by the link 62, and the bottom of the guide leg 61 and the bottom of the upper boom 10-n. Between the tip and the guide ladder cylinder 65 is installed to the rod shaft 66 and the cylinder shaft 67 so that the guide ladder 61 can be folded and deployed by the operation of the guide ladder cylinder 65. .

On both sides of the tip end of the uppermost boom 10-n, the bucket 30 was installed as a shaft so as to adjust the installation state by the bucket supporting device 31.

As illustrated in FIGS. 7A and 7B, the bucket supporting device 31 is provided with a mandrel on the front end of the top boom 10-n with the bucket shaft 30-1 as the front edge of the bucket 30. The mounting stand 35 is fixed to the side (both sides) of the uppermost boom 10-n, and the mounting piece 35 has a shaft piece 33-2 fixed to the rear end of the cylinder 32 to the shaft 35-1. The mounting piece 34 is fixed to the rear surface of the bucket 30 and the shaft piece 33-1 fixed to the tip of the rod 32-1 of the cylinder 32 is installed as the shaft 34-1. It was.

The CCD camera 36 is attached to the tip of the uppermost boom 10-n so that the moving state and the forward state of the uppermost boom 10-n can be confirmed by the monitor 37 mounted on the vehicle 71.

Hereinafter, the state of use of the multi-stage ladder ladder 70 according to the present invention.

The multi-lever ladder apparatus 1 mounted on the multi-ladder ladder 60 according to the present invention is used to lift and lower cargo (mainly moving) as illustrated in FIG. 1 and to a vehicle 71 provided with a support cylinder 72. The base frame 2 is fixedly mounted and used, or not shown in detail, but used in a fire-fighting (disaster prevention) vehicle and is mounted on the vehicle 71 using the monitor 37 mounted on the vehicle 71. Elongate the boom while monitoring (watching) the moving state and the forward state of the vehicle.

In the multi-stage high ladder apparatus (1) mounted on the multi-stage ladder according to the present invention (1) to carry out the boom installed in a multi-stage at a constant angle is carried out as follows.

When operating the angle adjusting cylinder (7) by operating a switch (not shown specifically), the drawing adjustment rod (7-1) is drawn out, and when the angle adjusting rod (7-1) of the angle adjusting cylinder (7) is drawn out The multistage boom including the one-stage base boom 10-1 is erected while rotating upward with the second mounting piece 4 as an axis, and the multistage boom including the first-stage base boom 10-1 is the target point. If it is erected at an appropriate angle toward the stop the operation of the angle adjustment cylinder (7).

The expansion cylinder 5 is operated by operating another switch (not specifically shown) while the multistage boom including the one-stage base boom 10-1 is erected at a predetermined angle.

When the telescopic cylinder 5 is operated, the telescopic rod 5-1 is pulled out for a long time, and the two-stage boom mounted on the first stage base boom 10-1 by the telescopic rod 5-1 is drawn out ( 10-2) is stretched as it is drawn out, and the second stage boom 10-2 is stretched as it is drawn out, the roller 53 installed on the lower side of the tip of the second stage boom 10-2 is a folding wire rope 57 When the roller 53 of the second stage boom 10-2 moves forward and pulls the folding wire rope 57 for the folding, the three stages stored inside the second stage boom 10-2 are dragged. The boom 10-3 is extended while being drawn out of the second stage boom 10-2.

When the third stage boom 10-3 is extended while being drawn out, the fourth stage boom 10-4 is extended by being drawn out by the above-described method and the fourth stage boom 10-4 is stretched while being drawn out as described above. In the same manner, the five-stage boom 10-5 is extended and withdrawn. When the five-stage boom 10-5 is extended and withdrawn, the six-stage boom 10-6 is extended with the same method as described above. When the six-stage boom 10-6 is drawn out and stretched, the seven-stage boom 10-10 is stretched by the same method as described above. By the method as described above, the uppermost boom 10-n is finally drawn out and stretched.

As described above, the technology that is stretched as each boom is drawn out is already known in the art, and thus a detailed description thereof will be omitted.

When the uppermost boom 10-n is finally drawn out and stretched, the CCD camera 36 mounted at the front end photographs the front side, and the photographed image is displayed on the monitor 37.

The operator stops the operation of the expansion / closing cylinder 5 when the tip of the uppermost boom 10-n reaches the destination point while checking the image state displayed on the monitor 37.

In particular, when operating the expansion cylinder (5) as described above to move the bogie 38 installed in a multi-stage elongated state when moving the bogie 38 while riding the worker to raise or move the bogie 38 to the upper end The cylinder 32 of the bucket support device 31 is operated to maintain the inclined bucket 30 in the vertical (upright) state and at the same time maintain the vertical state.

In the state in which the bucket 30 is maintained in an upright state as described above, the worker embarks on the bucket 30 to perform work, and works while operating (moving) the cart 38 up and down.

When folding the unfolded boom after completing the work, the expansion cylinder 5 is operated in reverse while the trolley 38 is moved downward.

When the expansion cylinder 5 is operated in reverse, the drawn extension rod 5-1 is accommodated in the expansion cylinder 5, and the expansion rod 5-1 is received in the expansion cylinder 5, When the extended second stage boom stand (10-2) is pulled out and the second stage boom stand (10-2) is pulled, the third stage boom stand (10-3), the fourth stage boom stand (10-4), and the fifth stage boom stand (10-5) ) And the six-stage boom (10-6), the seven-stage boom (10-7) and the top boom (10-n) is stored while being pulled in sequence, such a storage process is already known, so more detailed description is omitted. do.

When the two-stage boom (10-2) to the top boom (10-n) that was drawn out and folded is completely stored in the interior of the first-stage boom (10-1), the expansion cylinder (5) stops reverse operation. The operation of the CCD camera 36 and the monitor 37 is stopped.

Then, the two-stage boom 10-2 to the uppermost boom 10-n, including the one-stage base boom 10-1, which was inclined to operate in reverse by operating the angle adjusting cylinder 7 in reverse, were folded. Folding the multi-stage ladder device 1 mounted on the multi-stage ladder according to the present invention, which was developed (extended), by stopping the operation of the angle adjusting cylinder 7 after maintaining the original horizontal state. Will complete.

In particular, when the multi-stage high ladder device (1) according to the present invention is mounted on a lifesaving vehicle or a fire truck and used for lifesaving or firefighting at a fire site, the topmost boom is fully developed to the top boom (10-n). The guide leg device 60 mounted on the tip of (10-n) is developed so that it can be easily used for lifesaving.

In the event of a fire, the flames and smoke (induction gas) inside the building are blown out through windows, etc., so that the tip of the top boom 10-n cannot be brought close to a window. The guide leg device 60 is operated to develop the guide leg 61.

When the induction bridge cylinder 65 is operated, the rod is drawn out, and when the rod of the induction bridge cylinder 65 is pulled out, the induction bridge 61 provided on the bottom surface of the top end boom 10-n has a shaft. While rotating with reference to (63) (64), the state is maintained in a horizontal state at the tip of the uppermost boom 10-n as illustrated in FIGS. 7A and 7B, and the guide leg 61 is moved forward. It is possible to easily rescue the human life by moving the vehicle in the deployed state to check the monitor (not specifically shown) by bringing the tip of the deployed guide bridge 61 close to a window or the like.

Although the present invention has been described in detail only with respect to the specific embodiments described, it will be obvious to those skilled in the art that various modifications and changes can be made within the technical scope of the present invention, and such modifications and modifications belong to the appended claims.

In the multi-stage high ladder according to the present invention, the first stage base boom can be inclined upwardly or horizontally downward based on the axis of the rear end by an angle adjusting cylinder on the upper side of the base frame, and the width and height of the first base boom are wide. It is installed in multiple stages so that a plurality of boom stages that are gradually smaller (narrower) overlap, and when the two-stage boom inserted into the base boom stage is expanded and folded by the expansion cylinder, each stage is loaded in multiple stages inside the second boom stage. In the case where the stage booms are deployed or folded in a batch, and the vehicle is equipped with an elevated ladder device that can move the bogie up and down along the upper surface of the deployed boom;

The high ladder device mounted on a vehicle is formed by integrally forming a pair of upper and lower frames having a long length and a narrow width between the one-stage base boom and each stage of the expansion boom by a support bar. The boom restraint stopper device is installed, and the buckets are installed on both sides of the top end of the top boom so that the installation state can be adjusted by the supporting device.The top end of the top boom is equipped with a CCD camera to separately move the top boom. As it was able to confirm by monitor installed in vehicle,

The first stage base boom and each multi-stage expansion boom is formed by integrally formed by the support bar of the upper frame and the lower frame of a pair of long and narrow width can be reduced in weight and light weight to prevent distortion, 1 The base end of the stage boom is equipped with a boom restraining stopper device to prevent the detachment of the second stage boom when the boom is constructed.The guide bridge is mounted on the tip of the top boom to open the guide bridge. It can be used to rescue lives or extinguish fires when it is discharged.Each bucket installed on both sides of the top end of the boom can easily carry out work and check work status by carrying a worker or storing work items. At the tip of the boom, a CCD camera is mounted to distinguish the movement and installation of the top boom when the boom is extended. While the practice of the check by the monitor, or you can determine the forward state.

Claims (1)

An angle adjusting cylinder 7 is installed between the base frame 2 and the bottom of the first stage base boom 10-1, and the width and height of the first stage base boom 10-1 are gradually smaller. The second stage boom (10-2) to the top boom (10-n) of the expansion and contraction boom 20 is installed in multiple stages so as to overlap, and the lower end of the first stage base boom (10-1) and its 1 The expansion cylinder 5 is mounted between the upper end of the second stage boom 10-2 overlapping the inside of the stage base boom 10-1, and the respective first stage base boom 10-1 overlapped and coupled. ) Any of three booms that are coupled to form an outer boom, an intermediate boom and an inner boom among the upper boom (10-n) to the bottom front end of the outer boom and the bottom rear end of the inner boom the same folding wire rope 57 Fix both ends of the rollers respectively, and the bottom end of the middle boom is equipped with a roller 53 by the bottom end and the inner boom of the outer boom It is repeatedly formed by mounting the folding wire rope 57 fixed to both ends at the rear end of the bottom, and the first stage base boom (10-1) to the second stage boom by the forward and reverse operation of the expansion cylinder (5) The vehicle 71 is provided with an elevated ladder apparatus 1 which is capable of collectively deploying or folding the uppermost boom 10-n to move the cart 38 up and down along the upper surface of the unfolded boom. In)); The high ladder device 1 mounted on the vehicle 71, The upper stage 11 and the lower frame 12 are formed in one-piece base boom base 10-1 by a pair of long and narrow pairs of which the upper part is opened by a plurality of support bars, and the tip is formed at the tip end. Integrally mounting the support frame 18; The upper and lower frames 21 and the lower frame 22 of a pair of long and narrow pairs of telescopic booms 20 forming a two-stage boom 10-2 to a top boom 10-n coupled in multiple stages. It is formed in an integral form the upper portion is opened by a plurality of support bars, and fixed to the frame support bar 27 at the front end integrally; A boom restraining stopper device 40 is mounted on the front end of the first stage base boom 10-1 to suppress the withdrawal of the second stage boom 10-2; On both sides of the front end of the top boom (10-n), the bucket 30 is installed to each axis so as to adjust the installation state by the bucket support device 31; A CCD camera 36 is mounted at the tip of the uppermost boom 10-n so that the moving state and the forward state of the uppermost boom 10-n can be confirmed by the monitor 37 installed in the vehicle 60; Multi-stage high ladder car characterized by.

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