JPH04328079A - Crawler winding device - Google Patents

Abstract

PURPOSE:To improve flexibility of process organization of a line by winding a crawler in a condition of truck frame subassembly, and eliminating necessity for building an engine in a step before the crawler winding, in the case of a device for winding a crawler shoe on a crawler vehicle in the line of a plant. CONSTITUTION:After a crawler shoe 10 is placed in right/left crawler winding positions, a truck frame 1 is carried in by a conveyer and mounted to a position aside to a front end part on the crawler shoe 10. Next, right/left front stoppers 4, housed under a floor surface, are protruded on the floor surface to lift partly a front of the crawler shoe 10 along a front sprocket 14. Then, after a hanging metal fixture of an overhead crane 7 is hooked to a rear end part of the crawler shoe 10, a rear stopper 3 is protruded on the floor surface to lift a rear end of the crawler shoe 10 on the floor surface thereafter to move the overhead crane 7 upward in a front side. Thereafter, the crawler shoe 10 is extended by a traction winch 5, and after looseness is removed, the crawler shoe 10 is endlessly connected to complete mounting work.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a footwear winding device for winding footwear of a footwear type vehicle such as a power shovel or a bulldozer on a factory line.

0002

[Prior Art] In the conventional technology, for example, when winding the shoe of a footwear on a power excavator, the shoe of the footwear is laid on the floor, and then the upper revolving body part equipped with an engine and the running body part are placed on top of it. The constructed vehicle is driven by an operator (rotating the starting wheel), runs on the track shoe and stops at a predetermined position, and at the same time pulls the excess side of the track shoe with a winch to remove the track shoe. I was trying to wrap it around.

[0003] In another method, a vehicle consisting of an upper rotating body part and a running body part is mounted on a truck, the vehicle is carried to the position where the shoe shoes are placed, and then the truck is removed. Another method is to place the vehicle on the shoe and wrap the shoe around it.

0004

[Problem to be Solved by the Invention] In the former conventional device, since it is necessary to perform the work of winding the track body after the engine is mounted and the driving wheel is made rotatable, the work of winding the track body is performed by the engine. This has to be carried out after the upper revolving body on which is mounted is connected to the traveling body, which poses a problem in that the order of assembly is restricted. Further, this conventional technique has a problem in that a high level of driving skill is required to run on the footwear.

[0005] Furthermore, in the latter conventional technique, there is a problem in that it is difficult to set up for transportation using a trolley, and a highly skilled technique is required for transporting the truck.

[0006] This invention was made in view of the above circumstances, and allows flexibility in the order of assembly, allows anyone to perform the work easily, and further improves the work efficiency of the entire line. An object of the present invention is to provide a footwear winding device.

[0007]

[Means for Solving the Problems] In the present invention, a loading/unloading means is provided for loading a track frame into a predetermined footwear winding position and transporting the track frame after winding of a footwear shoe is completed from the footwear winding position. a crane means for placing the footwear shoe in the footwear winding position and winding the footwear; and a crane means capable of vertically rotating the front end of the footwear shoe placed in the footwear winding position. A first stopper housed in the floor is lifted up by a plate, and a rear end of the footwear shoe placed at the footwear winding position is pressed and fixed by a vertically rotatable plate, which is housed in the floor. a second stopper;
The truck frame is carried in and placed on the footwear shoe placed on the floor by the crane means using the loading/unloading means, and the front end of the footwear shoe is moved along the front sprocket by the first stopper. At the same time, the crane means grips and lifts the rear end of the shoe and moves it forward, thereby winding the rear half of the shoe along the rear sprocket. The second stopper presses and fixes the rear sprocket via the shoe, and the crane means grips the rear end of the shoe and moves it further forward to attach the shoe to the track frame. The track frame, which has been completely rolled up and the front side and rear side of the rear shoe are connected to each other, is carried out by the carry-in/out means.

[0008]

According to the present invention, the shoe is wound around only the track frame without connecting the upper revolving body. That is, after the loaded truck frame is placed on the shoe, the rear end of the shoe is grasped by the crane means with the first stopper pressing and fixing the shoe at the front, and the shoe is placed on the shoe. After winding the body shoe about half way, the crane means is used to completely wind the body shoe with the second stopper means pressing and fixing the body shoe at the rear. Thereafter, after connecting the front side and the rear side of the shoe, the truck frame is carried out using the carrying-in/out means.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to embodiments shown in the accompanying drawings.

FIG. 1 shows a track winding facility on a power excavator production line, in which a track frame 1 is transported from a previous line facility to a track winding position on the left side of the figure by a conveying device 2. As shown in FIG. At this footwear winding position,
Two stoppers 3 are provided at the rear, two stoppers 4 and two traction winches 5 are provided at the front, and side pressers 6 for shoe shoes are provided at the left and right sides, respectively. Further, a double hoist type synchronous overhead crane 7 is installed on the ceiling, so that the left and right footwear can be rolled up at the same time. This overhead crane 7 is provided with an operation panel (not shown) for freely moving the overhead crane 7 back and forth and up and down, and this operation panel hangs down from the ceiling. Moreover, an operation box (not shown) for driving and operating the front stopper 4, rear stopper 3, traction winch 5, and side presser 6 is provided at an appropriate position at the work site. The truck frame 1 on which the shoe body has been wound is transported by the transport device 2 to a retracted position on the right side in the figure, and then transported to the next line facility.

FIGS. 2 to 13 show the steps for winding the footwear in the order of steps, and the steps for winding the footwear will be described in detail below with reference to these figures.

- Figure 2 In this case, the footwear shoes 10 are divided so that two of them can constitute one endless track, and therefore four footwear shoes are provided for one track frame 1. I need.

First, the footwear shoes 10 are suspended from the overhead crane 7, and the worker operates the overhead crane 7 appropriately to move two footwear shoes forward and backward at the footwear winding positions on each of the left and right floors. Place them side by side.

-FIG. 3 Next, an operator connects these two footwear shoes arranged in front and behind each other using a connecting machine 11. This operation is performed for each shoe of the left and right footwear.

- FIG. 4 When the above connection is completed, if the left and right positions of the footwear shoes are shifted, the position of the footwear shoes is adjusted by the side presser 6 which is movable in the left and right direction.

[0016] Thereafter, the truck frame 1 is carried in by the transport device 2 while being lifted off the floor.

[0017] - Figure 5 The truck frame carried in is conveyed to a predetermined position on the front footwear shoe side, and is placed on the footwear shoe 10 at that position. Here, the operator places jigs 12 and 13 for preventing the shoes from sagging on the track frame 1 on the left and right sides, respectively (see FIG. 14).

- Figure 6 Next, by protruding the left and right front stoppers 4 housed under the floor above the floor, a part of the front of the footwear shoe is lifted along the front sprocket 14 and rolled up. Turn. This front stopper 4 is rotatable under and above the floor by a hydraulic cylinder mechanism under the floor, as shown in FIG. 14. In FIG. The figure shows the state in which it is functioning as a stopper.

Next, the operator hooks the hanging device of the overhead crane 7 to the rear end of the shoe 10. Perform this work for the left and right foot shoes.

・FIG. 7 Next, the rear stopper 3 housed under the floor is projected above the floor to raise the rear end of the footwear shoe slightly above the floor, and then the worker By appropriately operating the crane 7, the overhead crane 7 is moved upward to the front side. As a result, the rear half of the shoe is lifted up as shown in FIG. Note that the above-mentioned overhead crane 7 is designed to be synchronized with the left and right sides, and the work of winding the footwear shoes on the left and right footwear is performed at the same time.

Here, the rear stopper 3 is constructed as shown in FIG. This allows the stopper 3 to be moved back and forth together with the upper cylinder 15.

- FIG. 8 By operating the lower hydraulic cylinder 16, the left and right rear stoppers 3 are moved forward, and these rear stoppers 3 are pressed against the rear sprocket 17 via the shoe 10.

-FIG. 9 Next, the operator moves the overhead crane 7 further forward and downward by appropriately operating the overhead crane 7. As a result, the shoe is almost completely wound. Of course, this winding operation is performed simultaneously on the left and right sides.

-FIG. 10 When the above-mentioned winding operation is completed, the left and right rear stoppers 3 are moved back and then stored under the floor surface.

[0025] If the length of the footwear shoe 10 becomes short due to sagging on the upper side of the footwear shoe 10, the footwear shoe cannot be connected as it is, so Use the towing winch 5 housed in the.

That is, the traction winch 5 housed below the floor surface is raised above the floor surface, and the hanging device at the end of the rope of the winch is hooked to the rear end of the shoe shoe to operate the traction winch 5. By doing so, the slack of the shoe 10 is removed. Perform this task as necessary.

- FIG. 11 When the above-mentioned work is completed, the operator manually connects the left and right footwear shoes, and then stores the traction winch 18 under the floor surface.

・Figure 12 Next, the left and right front stoppers 4 are accommodated under the floor surface.

- FIG. 13 When all the footwear winding work is completed in this manner, the truck frame around which the footwear shoe has been wound is lifted upward by the conveying device 2, and then the truck frame is moved to the position shown in FIG. 1 by the conveying device 2. Carry it out to the evacuation position shown in .

The front stopper 4 is used to lift the front part of the shoe to a position where it is easy to connect the shoe, and to prevent the track frame from moving when the traction winch 18 takes up the slack of the shoe. It is provided in Further, the rear stopper 3 is provided to prevent the shoe from coming off the rear sprocket when the shoe is pushed forward after the shoe has engaged with the rear sprocket.

[0031]

[Effects of the Invention] As explained above, according to the present invention,
Since the track body is wound in the state of the truck frame subassembly, there is no need to perform the track body winding work after installing the engine as in conventional equipment, which improves flexibility in line process organization. At the same time, it is possible to improve the work efficiency of the entire line. Additionally, since no operating skills are required, anyone can do the work as long as they can sling the crane.

[Brief explanation of drawings]

FIG. 1 is a plan view showing an embodiment of the invention.

FIG. 2 is a diagram showing the first step of the footwear winding procedure.

FIG. 3 is a diagram showing a second step of the footwear winding procedure.

FIG. 4 is a diagram showing the third step of the footwear winding procedure.

FIG. 5 is a diagram showing the fourth step of the footwear winding procedure.

FIG. 6 is a diagram showing the fifth step of the footwear winding procedure.

FIG. 7 is a diagram showing the sixth step of the footwear winding procedure.

FIG. 8 is a diagram showing the seventh step of the footwear winding procedure.

FIG. 9 is a diagram showing the eighth step of the footwear winding procedure.

FIG. 10 is a diagram showing the ninth step of the shoe winding procedure.

FIG. 11 is a diagram showing a tenth step of the footwear winding procedure.

FIG. 12 is a diagram showing the eleventh step of the footwear winding procedure.

FIG. 13 is a diagram showing a twelfth step of the footwear winding procedure.

FIG. 14 is a diagram showing a state in which the front stopper is in contact with the shoe body.

FIG. 15 is a diagram showing an example of a mechanism of a rear stopper.

[Explanation of symbols] 1...Truck frame 2...Transport device 3... Rear stopper 4...Front stopper 5... Traction winch 6...Side presser 7...Overhead crane 10...foot shoe 12...Jig 13...Jig 14...Front sprocket 17... Rear sprocket

Claims (3)

[Claims] 1. Carrying in/out means for carrying a track frame into a predetermined footwear winding position and carrying out the track frame on which a footwear shoe has been wound from the footwear winding position; Crane means for placing the footwear in the winding position and winding the footwear, and lifting the front end of the footwear shoe placed in the footwear winding position by a vertically rotatable plate and storing it on the floor. and a second stopper accommodated in the floor surface, which presses and fixes the rear end of the footwear shoe placed at the footwear winding position with a vertically rotatable plate; The truck frame is carried in and placed on the footwear shoe placed on the floor by the crane means using the loading/unloading means, and the front end of the footwear shoe is moved along the front sprocket by the first stopper. At the same time, the crane means grips and lifts the rear end of the foot shoe and moves it forward, thereby winding the rear half of the foot shoe along the rear sprocket. The second stopper presses and fixes the rear sprocket through the shoe, and the crane means grips the rear end of the shoe and moves it further forward to completely attach the shoe to the truck frame. A footwear winding device characterized in that the track frame to which the front side and the rear side of the rear footwear shoe are connected is carried out by the carrying-in/out means. 2. The footwear winding device according to claim 1, further comprising left and right stoppers for lateral positioning of the footwear shoe placed at the footwear winding position. 3. The vehicle according to claim 1, further comprising a traction winch that is movable under and above the floor surface and grips the rear end of the footwear shoe wound around the track frame and pulls the footwear shoe. 1. The footwear winding device according to 1.