KR100790919B1 - Caterpillar traveling type crane - Google Patents

Abstract

An endless track type crane is provided to facilitate the loading of a vehicle by rapidly and precisely positioning the crane against the ground using an outrigger. An endless track type crane comprises a vehicle using the endless track, a base frame(40) installed on the vehicle, a crane body(60) supported by the base frame, an outrigger(200) installed at both sides of front/rear sides of the base frame and a rotation apparatus(100) for rotating the outrigger relative to the base frame. The rotation apparatus includes a horizontal connecting member(110) having a first end hinged to the base frame and a pair of hydraulic cylinders(160). The hydraulic cylinders are coupled to the base frame and the outrigger by crossing each other at the front/rear sides of the base frame. The outrigger includes a first vertical rotation member(210), a second vertical rotation member(240), a first hydraulic cylinder(220) and a second hydraulic cylinder.

Description

Caterpillar Traveling Crane {Caterpillar Traveling Type Crane}

1 is a perspective view showing an embodiment of a crawler crane according to the present invention.

Figure 2 is a plan view showing an embodiment of a crawler crane according to the present invention.

Figure 3 is a side view showing a passenger ship connection state of the crane body in one embodiment of the crawler crane according to the present invention.

Figure 4 is a plan view showing a rotary device in one embodiment of a crawler crane according to the present invention.

Figure 5 is a plan view showing an operating state of the rotary device in one embodiment of a crawler crane according to the present invention.

Figure 6 is a side view showing the operating state of the outrigger in one embodiment of a crawler crane according to the present invention.

7 is an installation state diagram showing an embodiment of a crawler crane according to the present invention.

8 is a side view showing a state of carrying an embodiment of the crawler crane according to the invention to the vehicle.

9 is a rear view showing a state for loading or unloading an embodiment of a crawler crane according to the present invention on a vehicle.

10 is a side view showing another embodiment of a crawler crane according to the present invention.

The present invention relates to a crawler crane, and more particularly, to a crawler crane configured to be able to perform stable work by easily approaching a work place, and to carry the vehicle easily.

In general, the crane is a mechanical device mainly used when lifting the cargo (물 物) to move up and down, left and right, front and rear, it is very useful when carrying out work such as transporting heavy goods or transporting cargo to a high place.

In the past, the crane was mainly installed fixedly at the working place in many cases, but in this case, there is a problem that various inconveniences and utilization decreases, and in recent years, traveling can be performed by moving directly to the working place. Many cranes are used.

In the above traveling crane, in particular, it can be safely and conveniently operated at high places and is maneuverable. Therefore, it is very useful in scaffolding construction of internal and external buildings, construction and maintenance of telecommunication equipment, inspection and repair of bridges, etc. There are a lot of aerial work vehicles that are useful.

The aerial vehicle is a truck, such as a truck, a base frame installed on the chassis of the cargo vehicle, a crane body mounted on the base frame, and the front and rear of the base frame so that the work can be carried out stably supported on the floor It consists of an outrigger installed in the

The crane body is a multi-stage boom that is coupled to the pillar frame supported on the upper portion of the base frame, and a plurality of steel pipe antenna type so that one end is rotatably coupled to the pillar frame and the other end is stretchable. It is composed of a passenger board installed at the end of the multi-stage boom.

However, the conventional aerial work vehicle configured as described above is often impossible to use due to the inaccessible or stable support when the cargo is carried or carried out at a place such as a slope, a steep slope, or inside a building. Therefore, in order to overcome this situation, it is necessary to develop a mobile crane that can stably work while traveling in a new manner.

The present invention has been made in view of the above points, the driving is made by using an endless track so that easy access to a variety of work places is made on the floor through the outrigger quickly and accurately carried on the vehicle to carry It is an object of the present invention to provide a crawler crane that can be easily performed by an outrigger.

The caterpillar traveling crane proposed by the present invention is a vehicle that travels using a caterpillar, a base frame installed on an upper portion of the vehicle, and one end portion is rotatably supported on the base frame and the other end portion. It includes a crane body to which the board is connected, a plurality of rotary devices respectively installed on both front and rear sides of the base frame, and a plurality of outriggers rotatably connected to the base frame through the rotating device.

The crane body has a plurality of pillar frames rotatably supported on the upper portion of the base frame, and one end portion is rotatably coupled to the pillar frame to be folded by a folding hydraulic cylinder and to extend the length in multiple stages. Extension boom is coupled to the extension boom, one end is fixed to the last extension boom of the expansion boom and the "b" shaped connecting rod is installed in the lower portion, and the other end of the connecting rod is rotatably installed It includes a rotary pedestal, a boarding box installed on the top of the rotary pedestal, and a hydraulic cylinder for connecting the upper end of one end portion and the upper portion of the rotary pedestal, respectively.

The rotating device includes a plurality of horizontal connecting rods, one end of which is rotatably coupled to the base frame by using a hinge axis at both front and rear ends of the base frame, and a pair of front and rear ends of the base frame are installed to cross each other. Both ends of the base frame and the outrigger comprises a hydraulic cylinder rotatably coupled to each other using a pair of hinge shafts.

The outrigger has a first vertical swivel coupled to the other end of the horizontal connecting rod using a first hinge shaft so that one end is rotatable, and one end rotates at the other end of the first vertical swivel. A second vertical swivel that is coupled using a second hinge shaft to the other end and a supporting plate is installed at the other end, and one end portion of the third hinge shaft at an upper point away from the first hinge axis in a predetermined distance in the horizontal connecting rod. A first hydraulic cylinder which is rotatably coupled with the other end and rotatably coupled with a fourth hinge shaft at an upper end of the first vertical turntable away from the second hinge shaft by a fourth hinge shaft; In one vertical swivel, one end portion is rotatably coupled using a fifth hinge shaft at a point away from the second hinge shaft by a predetermined distance. The second vertical rotary table includes a second hydraulic cylinder rotatably coupled to one end portion using a sixth hinge shaft at a point away from the third hinge shaft by a predetermined distance downward.

The second vertical swivel is formed of a substantially "<" shape and one end is coupled to the other end of the first vertical swivel using a second hinge axis, and one end to the other end of the bending An extension boom is coupled so that the end is fixed and the length can be extended in two stages, and the extension boom is a telescopic boom to which the support plate is rotatably coupled, and one end is rotatable at the other end of the bend. It is coupled to the expansion boom and the expansion boom and comprises a expansion hydraulic cylinder is connected to the piston rod.

The present invention may further include a winch installed on the base frame and configured to suspend a wire rope through a pulley to the expansion and contraction boom and the connecting rod of the crane body.

Next, a preferred embodiment of a crawler crane according to the present invention will be described in detail with reference to the drawings.

First, an embodiment of a crawler crane according to the present invention, as shown in Figures 1 to 3, the vehicle 10 is driven using the crawler 20, and the base installed on the upper portion of the vehicle Frame 40, the crane main body 60 is installed on the base frame 40, a plurality of rotary devices 100 are installed on both front and rear sides of the base frame 60, and the base frame 60 It comprises a plurality of outriggers 200 are connected to the rotatable through the rotating device (100).

In the vehicle 10, the track 20 may be generally implemented in the same configuration as the track used widely in construction machinery such as fork cranes or bulldozers, tanks, armored vehicles, etc., and thus detailed description thereof will be omitted.

As shown in FIGS. 1 and 2, the base frame 40 has a substantially rectangular plate shape and is installed on an upper portion of the vehicle 10.

The crane body 60 is a pillar frame 62 rotatably supported on the upper portion of the base frame 40, and one end portion is rotatably coupled to the pillar frame 62, folding hydraulic cylinder 64 Telescopic boom 66, which is folded by a plurality of extension booms 68 are coupled to be possible to extend the length in multiple stages, and installed on the last extension boom 68 of the expansion boom 66 and boarded (80) )

As shown in FIG. 3, the crane body 60 has one end portion fixed to the last extension boom 68 of the expansion and contraction boom 66 and a pulley 72 so that the wire rope 96 can be hooked to the lower portion thereof. "B" shaped connecting table 70 is installed, and the rotary base 74 is rotatably coupled to the other end of the connecting table 70 using a hinge shaft 75 and the boarding box 80 is installed. And a hydraulic cylinder 76 having both ends rotatably coupled to one end portion of the connecting table 70 by using a hinge shaft 77 to the rotation base 74. .

In the boarding box 80, a worker rides to perform work or carry goods.

The crane body 60 can also be generally implemented in the same configuration as the crane body widely used for mobile cranes.

As shown in FIGS. 4 and 5, the rotating device 100 is rotatable by using a hinge shaft 120 at one end at both ends of the front and rear sides of the base frame 60 at the base frame 60. A pair of horizontal connecting rod 110 and a pair of hinges are installed at the front and rear ends of the base frame 60 to cross each other, and a pair of hinge shafts at both ends of the base frame 60 and the outrigger 200 are coupled to each other. It comprises a hydraulic cylinder 160 is rotatably coupled to each using the 170.

The horizontal connector 110 is rotated in the range of about 90 degrees in the plate surface direction of the base frame 40.

As shown in FIGS. 1 to 3, 6, and 7, the outrigger 200 is rotated by using one first hinge shaft 212 at the other end of the horizontal connector 110. One end is rotatably coupled to the other end of the first vertical swivel 210 and the other end of the first vertical swivel 210 by using a second hinge shaft 242 and the other end The second vertical swivel table 240, the support plate 280 is installed, and one end portion of the third hinge shaft 222 at an upper point away from the first hinge shaft 212 by a predetermined distance in the horizontal connector 110, Rotatably coupled with the other end and rotated using the fourth hinge shaft 224 at an upper point away from the second hinge shaft 214 by a predetermined distance in the first vertical turntable 210. The first hydraulic cylinder 220 and the first hinge shaft 214 in the first vertical rotary table 210, which is possibly coupled to One end portion is rotatably coupled using a fifth hinge shaft 232 at a point separated by a predetermined distance downward, and is spaced a predetermined distance downward from the third hinge shaft 222 in the second vertical turntable 240. One end portion includes a second hydraulic cylinder 230 rotatably coupled to the sixth hinge shaft 234.

The first vertical turntable 210 and the second vertical turntable 240 rotate in a direction perpendicular to the plate surface (or the ground 1) of the base frame 40.

The second vertical swivel 240 is formed in a substantially "<" shape and one end portion is bent using a second hinge shaft 214 to the other end of the first vertical swivel 210 ( 250 and an extension boom 270 is coupled to the other end of the bending bar 250 so as to be fixed in one end and extend the length in two stages, and the support plate 280 to the extension boom 270. It includes a telescopic boom 260 that is rotatably coupled, and a hydraulic cylinder 290 connecting with the bending bar 250 and the extension boom 270.

In one embodiment of the crawler crane according to the present invention made as described above is stable in various places, such as the slope of the floor (1) or the narrow width of the road surface by the rotary device 100 and the outrigger 200. It is possible to work in the state supported by the floor 1 by this.

And in one embodiment of the crawler crane according to the present invention made as described above as shown in Figures 8 and 9, the loading and unloading operation on the cargo vehicle 2, such as a truck, the rotary device 100 And it can also be performed conveniently by the outrigger 200.

That is, as shown in FIG. 9, when the caterpillar running crane according to an embodiment of the present invention is loaded or unloaded on the vehicle 2, the outrigger 200 is mounted on the vehicle 2 by using the rotating device 100. Rotate in the lateral direction and extend the first vertical swivel 210 and the second vertical swivel 220, and then extend the extension boom 270 from the expansion boom 260 to extend the pedestal 280 to the bottom 1. By being touched, it is lifted from the floor 1 to a predetermined height, and thus the vehicle 2 can be loaded or unloaded. As shown in FIG. 8, in the state in which the caterpillar traveling crane according to the exemplary embodiment of the present invention is mounted on the vehicle 2, the first vertical swivel table 210 and the second vertical swivel table of the outrigger 200 ( 240 is in a folded state, standing on the base frame 40.

And another embodiment of the crawler crane according to the invention is installed in the base frame 40, as shown in Figure 10, the telescopic boom 66 and the connecting table 70 in the crane body 60 It is also possible to further comprise a winch (90) made to hang the wire rope 96 through the pulley (72).

The wire rope 96 is connected to the ring 98 so as to fix the cargo.

When the winch 90 is installed as described above, various operations such as transportation or towing of heavy materials can be performed in addition to the aerial work or the transport of goods through the boarding box 80, and thus, the utilization becomes large.

Also in the above-described other embodiments, the present invention can be implemented in the same configuration as the above-described embodiment except for the above-described configuration, and thus detailed description thereof will be omitted.

In the above, a preferred embodiment of a crawler crane according to the present invention has been described. However, the present invention is not limited thereto, and the present invention is not limited thereto, and various modifications can be made within the scope of the claims and the accompanying drawings. It is possible and this also falls within the scope of the present invention.

According to the caterpillar running crane according to the present invention made as described above, since the traveling is made by using the caterpillar, it is possible to work easily by accessing various working places, such as non-vented places, rough mountain roads, narrow roads, inside the building, etc. Become.

Therefore, the conventional approach is difficult to use, even in places where it is impossible to carry out work or transport work loads, and the utility is increased.

And since the outrigger can be rotated through the rotating device, the outrigger can be adjusted quickly and accurately.

In addition, since the first vertical swivel and the second swivel of the outrigger can be stably supported at a place difficult to support on the floor, it is possible to perform the work more stably and accurately.

According to the caterpillar running crane according to the present invention, the loading and unloading of the vehicle is easily performed, so that the transportation is relatively simple and the transportation time can be saved.

Furthermore, the boarding box is connected to the telescopic boom through the connecting rod and the hydraulic cylinder is always kept in a horizontal state, thereby preventing safety accidents such as falling of passengers or goods.

In addition, the winch can be used to transport or tow the article, which increases the utility and enables various operations.

Claims (6)

A vehicle that travels using a caterpillar, a base frame installed on an upper portion of the vehicle, a crane body on which one end is rotatably supported and the other end is connected to a boarding box; It includes a plurality of outriggers respectively installed in front and rear sides of the base frame, and a rotating device for rotating the outrigger at a predetermined angle from the base frame, The rotating device includes a plurality of horizontal connecting rods, one end of which is rotatably coupled to the base frame by using a hinge axis at both front and rear ends of the base frame, and a pair of front and rear ends of the base frame are installed to cross each other. Both ends of the base frame and the outrigger includes a hydraulic cylinder rotatably coupled to each other using a pair of hinge shafts, The outrigger may include a first vertical swivel coupled to the other end of the horizontal connecting rod so as to be rotatable using a first hinge shaft, and one end of the outrigger to the other end of the first vertical swivel. A second vertical rotary table rotatably coupled to the second hinge shaft and provided with a support plate at the other end thereof, and one end portion of the third hinge shaft at an upper point away from the first hinge shaft by a predetermined distance in the horizontal connecting rod; A first hydraulic cylinder which is rotatably coupled with the other end and rotatably coupled with a fourth hinge shaft at an upper end of the first vertical turntable away from the second hinge shaft by a fourth hinge shaft; In one vertical swivel one end portion is rotatably coupled to the point away from the second hinge axis by a fifth hinge axis and the 2 according to the third vertical swivel hinge downwards from the axis a predetermined distance away from a point on one end portion of the sixth hinge with axis caterpillar traveling type crane comprising a second hydraulic cylinder coupled rotatably. delete The method according to claim 1, The second vertical turntable is formed of a "<" shape and one end is coupled to the other end of the first vertical turntable using a second hinge axis, and one end to the other end of the bend Extension boom is coupled to the part is fixed and the length can be extended in two stages, and the extension boom and the extension boom is rotatably coupled, one end is rotatably coupled to the other end of the bend And an expansion hydraulic cylinder to which the extension boom and the piston rod are connected to the expansion boom. The method according to claim 1, And a winch installed on the base frame and configured to suspend a wire rope through a pulley at the other end of the crane body. The method according to any one of claims 1, 3, and 4, The crane body has a plurality of pillar frames rotatably supported on the upper portion of the base frame, and one end portion is rotatably coupled to the pillar frame to be folded by a folding hydraulic cylinder and to extend the length in multiple stages. A crawler type crane including an expansion boom coupled to the extension boom and a boarding box connected to the last extension boom of the expansion boom. The method according to claim 5, The crane body is connected to the end of the extension boom by using one end of the "b" shape of the pulley is fixed so that the wire rope can be fixed to the end of the extension boom, and the hinge shaft on the other end of the connecting rod A crawler crane that is rotatably coupled and further includes a hydraulic support cylinder to which both ends are rotatably coupled by using a hinge shaft to one end of the connecting rod and the rotary support, on which the board is installed. .

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