JPH07285474A - Portable crawler plate drilling device - Google Patents

Abstract

PURPOSE:To quickly perform and simplify drilling work and improve the working efficiency by providing a pair of punches and dies and a press device press dropping the punch toward the die for drilling against a crawler plate, in a drilling device. CONSTITUTION:A U-shaped depth of cut 5a of a hydraulic press is in a central direction from a side end face of a crawler plate D, intended to be drilled, so as to interpose the crawler plate D, to perform position aligning a positioning metal fitting 4b while brought into contact with between protrusive lugs of the crawler plate D. Next by an operating switch 17, an oil hydraulic pump 18 is driven to force pressure oil fed to a hydraulic cylinder 5c through an oil pressure pipe 20, and a punch 9 is press dropped down through a punch plate 11. The press dropped punch 9 is inserted through an objective spot of the crawler plate D, to lead to a die 8 in an opposite side, and a hole for a mounting bolt can be drilled. Further, a carriage 1 is transferred to move a bolt hole drilling spot, and while moving to the adjacent crawler plate D, a bolt mounting hole is successively drilled.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for punching a hole for mounting an elastic body on a tread surface of each track plate which constitutes a track such as a bulldozer, a power shovel or the like, which uses a crawler belt as a traveling means. With respect to the above, it is an object of the present invention to speed up and simplify the drilling work and improve the work efficiency.

[0002]

2. Description of the Related Art Iron crawler belts mounted on a tracked vehicle damage the road surface when traveling on a normal pavement surface. An elastic body is attached,
When installing it, remove the crawler belt from the tracked vehicle, loosen the mounting bolts from the link belt, remove the individual crawler plates, fix each crawler plate on the surface plate one by one, and drill holes in the required places with a drilling machine etc. Then, the link belt was bolted and assembled, and the track belt was reattached to the endless track vehicle, and then the elastic body was bolted to each track.

[0003]

However, in the case of the above-mentioned conventional elastic body attaching method, not only the attachment and detachment of the crawler belt but also the attachment and detachment of each individual crawler plate is necessary. This requires a great deal of man-hours and labor, is an extremely large-scale work, and requires a long time for the work, and there is a problem that the tracked vehicle cannot be used for a long time during that time. Not only that, the mounting bolts and nuts used for assembling the track plate to the link belt are both tightened in the yield area or in a state close to the yield area. Many mounting bolts and nuts have to be replaced because they cannot be used.

[0004]

SUMMARY OF THE INVENTION The present invention solves the above problems in the prior art, simplifies the work of attaching an elastic body to each track plate of an endless track zone in a short time, and attaches a bolt to a link belt. A nut that does not require replacement of nuts, and is specifically composed of a movable crane attached to a vehicle and a punching device attached so as to be vertically movable by the crane. The present invention relates to a portable track-plate punching device comprising a pair of punches and a die for punching a plate, and a pressing device for pressing the punch toward the die.

Further, the present invention comprises a movable crane mounted on a vehicle and a punching device which is vertically movable by the crane. The center of gravity of the punching device is suspended from the crane. It consists of a main wire and an auxiliary wire that can be operated separately from this and suspends the side end of the punching device.The main wire has a balancer weight interposed between the main wire and the punching device. The present invention also relates to a portable track-plate punching device, comprising a pair of punches and dies for punching, and a press device for pressing down the punch toward the die.

Further, the present invention comprises a bogie having traveling wheels, a pillar standing on the bogie, and a perforating device which is hung on the pillar by a hanging means and which is vertically movable. The punching device further comprises a pair of punches and dies for punching the track plate,
The present invention also relates to a portable track plate punching device, which comprises a pressing device for pressing a punch toward a die.

Further, according to the present invention, the suspending means suspended in the up-down direction with respect to the supporting column is a side opposite to the supporting column in which the punching device is moved up and down along the surface side of the supporting column with the apex of the supporting column as a turning point. Also relates to a portable track-plate punching device including means for expanding and contracting a wire.

Further, according to the present invention, the suspending means suspended in the vertical direction with respect to the support column has the upper end of the support column projecting laterally toward the surface side thereof, and a pulley is attached to the projecting tip end portion of the wire. The present invention also relates to a portable track plate perforating device in which the perforating device is suspended and moved up and down.

[0009]

The vehicle or the carriage is moved to the side of the crawler track of the endless track vehicle to which the elastic body is to be attached, and the boring device suspended from the crane of the vehicle or the boring device suspended from the carriage is attached to the side end of the track plate. Position the die on the lower side of the shoe plate and the punch on the upper side to align with the punching position, then press the punch down to the die to attach the hole to the shoe plate. Can wear.
This drilling work is performed for each crawler plate to complete the drilling work of the mounting holes for all the crawler plates along the entire circumference of the crawler belt, and then the elastic body is attached to each crawler plate with bolts and nuts.

Further, it comprises a movable crane attached to the vehicle and a punching device which is vertically movable by the crane, and the crane has a main wire for suspending the center of gravity of the punching device. , Auxiliary wire that can be operated separately from this, and that suspends the side end of the punching device, has a balancer weight between the main wire and the punching device, and for drilling the track. A pair of punches and dies,
When equipped with a press device for pressing down the punch toward the die, when the vehicle to which the elastic body is to be mounted is inclined, only the auxiliary wire of the crane is expanded or contracted according to the inclination angle. By doing so, the angle of the punching device can be displaced so as to match the angle of the crawler belt of the vehicle, and the holes can be sequentially punched at accurate positions.

[0011]

The specific contents of the present invention will be described below with reference to FIGS.
Describing based on the first embodiment shown in FIG. 3, reference numeral 1 is a trolley provided with wheels 2.2 so as to be freely movable, and 3 is a trolley 1.
A vertical support column, 4 is a punching device that can move vertically along the support column 3, 17 is an operation switch provided on the carriage 1, 18 is a hydraulic pump, and 19 is an operation panel. .

The punching device 4 forms a U-shaped cut 5a in the horizontal direction and has a hydraulic press 5 having an arm 5b extending forward and upward, and a U-shaped cut 5a of the hydraulic press 5. At the boundary, on the arm 5b above it,
A hydraulic cylinder 5c for pressing downward, a punch holder 12, a punch plate 11, a punch packing plate 10, a punch 9, and a stripper 4a.
The positioning metal fitting 4b attached to the lower part of the hydraulic press 5, and below the U-shaped cut 5a of the hydraulic press 5, a die plate 6 having a die 8 and a die packing plate 7 on the upper end surface corresponding to the punch 9. Are attached respectively.

The above-mentioned punching device 4 is manually attached to the back side of the column 3 through the L-shaped fork 13, the wire 15 and the pulley 14 attached to the upper end of the column 3. The lifter 16 is vertically movable along the front side of the support column 3 by a lifter 16 that is driven by the above or has a driving means such as a motor built therein. Reference numeral 20 represents a hydraulic pipe that flexibly connects the hydraulic pump 18 and the hydraulic cylinder 5c of the punching device 4.

In the construction of the first embodiment described above, the carriage 1 is moved by hand or by operating the operation panel 19 so that the carriage 1 is moved to the side of the crawler track of the tracked vehicle, and further lifter 16 is used. The L-shaped fork 13 is moved up and down while adjusting the payout length of the wire 15, so that the U-shaped cut 5a of the hydraulic press 5 is moved toward the center from the side end surface of the track D to be perforated. It is inserted so as to sandwich D, and the positioning metal fitting 4b is positioned while being applied between the protruding lugs of the shoe plate D. When the boring device 4 of the hydraulic press 5 is aligned with the boring portion of the bolt mounting hole, some errors such as an angle generated between the track plate D and the positioning metal fitting 4b will be described with respect to the wire 15 and the fork 13. You can modify it freely by playing with.

Next, the operation switch 17 drives the hydraulic pump 18 to drive the hydraulic cylinder 5 via the hydraulic pipe 20.
Pressurized oil is pressure-fed to c, and the punch 9 is pressed down via the punch plate 11. The pressed punch 9 penetrates the target portion of the shoe plate D and reaches the die 8 on the opposite side, whereby holes for mounting bolts can be drilled. Further, the carriage 1 is moved to move the bolt hole drilling location, and while moving to the adjacent track plate D, the bolt mounting holes are sequentially drilled.

Further, FIG. 4 shows a second embodiment of the present invention. This is the same as in the first embodiment described above.
Instead of the moving means of the punching device 4 by the L-shaped fork 13 that moves up and down along the support column 3, the upper end of the support column 3 set up on the carriage 1 is projected horizontally toward the surface side. To form a boom 21, and the boom 2 further protruded
A pulley 22 is rotatably attached to the tip of the punching device 1, and one end of the center of gravity of the punching device is held at the tip of the wire 15 suspended from the lifter 16 through the pulley 14.22 and the tip of the boom 21. Is attached.

Therefore, the second embodiment is common in that the punching device 4 is moved in the vertical direction while adjusting the pay-out length of the wire 15 by the lifter 16, but the second embodiment is the same. In the case of the example, since the punching device 4 suspends and holds only one apex of the center of gravity on the wire 15,
The feature is that the posture of the punching device 4 such as the angle can be significantly adjusted as compared with the embodiment.

Further, FIG. 6 shows a third embodiment of the present invention. This is basically a vehicle in which the trolley 1 in the first embodiment described above is replaced by a vehicle such as an automobile. Specifically, 31 is a vehicle and 32 is a vertical installation with respect to the vehicle 31. An arm post 33 is an arm extending vertically above the arm post 32 in a horizontal direction. The arm 33 is configured to be freely rotatable in the horizontal direction with the arm post 32 as an axis. Make up a jib crane. Further, 34 represents a punching device, and by a telescopic wire 37 from the arm post 32 via a pulley (not shown) at the tip of the arm 33,
It is attached so that it can hold one point of its center of gravity and move vertically. Reference numeral 39 represents a hydraulic pump, and 40 represents a hydraulic pipe.

The punching device 34 forms a hydraulic press 35 in which a U-shaped cut 36 is formed in the horizontal direction, and the cut 36 is formed above the hydraulic press 35.
The punching press 38 for reducing the pressure downward is attached, and the configuration and operation thereof are substantially the same as those of the second embodiment. Reference numeral 39 denotes a hydraulic pump attached to the bed of the vehicle, and a flexible connection is made between the punching press 38 and the hydraulic press 40 by a hydraulic pipe 40. Note that other configurations are the same as those in the second embodiment described above.

In the configuration of the third embodiment described above, the vehicle 31 is run to be positioned beside the crawler belt A of the tracked vehicle T, and the hydraulic power is adjusted while the feeding length of the wire 37 is adjusted by the power of the vehicle 31 side. The shoe plate D that is going to be perforated with the U-shaped cut 36 by moving the press 35 up and down.
After inserting the crawler plate D so as to sandwich the crawler plate D in the center direction from the side end surface of the, the hydraulic pump 39 and the punching press 38 are driven to perform perforation. Arm 3
3 by rotating the arm 3 in the horizontal direction with the arm as a fulcrum, or moving the vehicle 31 itself as necessary to move the bolt hole drilling location, and also moving to the adjacent track plate D while another bolt mounting hole is opened. Drill holes one after another.

Further, FIG. 7 shows a fourth embodiment of the present invention. Although this is basically the same as that of the third embodiment described above, it is provided with a crane equipped with a boom that can rotate in a free direction and can extend and contract the tip instead of the jib crane of the third embodiment. At the same time, it is characterized in that the crane is provided with two independent suspending wires, whereby the working angle of the punching device can be arbitrarily changed.

That is, specifically, 41 is a vehicle, and 43 is a boom 43a attached to the vehicle 41, which is rotatable in a free direction and whose tip can be expanded and contracted.
A crane provided with 43, 43b is a hook suspended at the tip of the boom 43a, and 44 is a hook 43b for holding a point P of its center of gravity through a main wire 47 having a balancer weight W interposed in the middle. The main wire 47
It is attached so that it can be moved up and down by expanding and contracting. The structure of the punching device 44 itself is the same as that of the third embodiment.
Further, a pulley 50 is provided on the boom 43a separately from the hook 43b, and another auxiliary wire 51 is connected through the pulley 50 to one end of the auxiliary wire 51 to the hydraulic pump 49 on the vehicle side and the other end is bored. It is connected to the adjusting part Q which is projected on the side surface of the device 44.

In the structure of the fourth embodiment described above, the vehicle 41 is positioned beside the tracked vehicle T, and the outrigger 42 is pressed against the road surface to stabilize the vehicle 41 itself. The crane 43 is operated to arbitrarily set the length and angle of the boom 43a, and the hydraulic press 45 is moved up and down while adjusting the payout length of the wire 47, so that the side of the track D to be perforated. Align with the end face. In this case, when the tracked vehicle T is tilted and the track D is tilted, the auxiliary wire 51 is expanded / contracted by the hydraulic pump 49 on the vehicle 41 side to pull up the adjusting portion Q upward or downward. . This allows the punching device 44 to
In the stable state due to the presence of the balancer weight W,
The point P of the center of gravity can be used as a fulcrum, and the hydraulic press 45 at the tip can be tilted by a required angle according to the tilt angle of the track D. The other construction is the same as that of the third embodiment.

Test Example 1 Using the device of the second embodiment, the vehicle body weight is 10 tons (bucket capacity 0.4 cubic meters).
Crawler belt A (Material of each crawler plate: equivalent to SAE10B26, heat treated material with a plate thickness: 8 mm, HRC: 42 to 49)
Was removed from the vehicle body of the tracked vehicle T, and the track A was stretched on concrete for a long time with the side of the track D facing upward, and an attempt was made to perforate each track D. There are 4 holes per one track plate, and as a result of carrying out the drilling work for 3 consecutive cars, that is, 1000 positions in total, all the holes drilled in the track plate D are accurate, and there are no punch defects. No problems such as breakage occurred.

[Test Example 2] Crawler belt A having the same specifications as in Test Example 1 was mounted on a power shovel having a vehicle body weight of 10 tons (bucket capacity of 0.4 cubic meters), and each track was left grounded. A punching operation was performed on the plate D.
As in the case of the above-mentioned Test Example 1, perforations were made at four locations per one track plate, which were successively provided for three vehicles, that is, a total of 100 holes.
As a result of carrying out the punching work at 0 places, all the holes made in the shoe plate D were accurate as in the case of [Test Example 1], and no defects such as punch breakage or breakage occurred at all.

[Test Example 3] A crawler belt A having the same specifications as in Test Example 1 was attached to a power shovel having a vehicle body weight of 10 tons (bucket capacity of 0.4 cubic meters), and the power shovel was set to 35 degrees with respect to the ground. In the tilted state, the third
And when the perforation work was carried out by the portable perforated plate perforation apparatus of the fourth embodiment, it was possible to perforate the respective perforated plates D at right angles and accurately.

[0027]

As described above, the present invention comprises a movable crane mounted on a vehicle and a punching device which is vertically movable by the crane, and the punching device is for punching a track. Since it is equipped with a pair of punches and dies for pressing, and a press device for pressing down the punches toward the dies, the work of attaching the elastic body to each track plate of the endless track is simplified in a short time. , And mounting bolts for the link belt
No need to replace nuts.

Further, the present invention comprises a movable crane mounted on a vehicle and a drilling device mounted vertically by the crane so that the center of gravity of the drilling device is suspended from the crane. It consists of a main wire for lowering and an auxiliary wire that can be operated separately from this and suspends the side end of the perforation device. The main wire has a balancer weight interposed between the main wire and the perforation device. When a pair of punches and dies for piercing the punches and a press device for pressing the punches toward the dies are provided, the auxiliary wire is expanded and contracted by the hydraulic pump on the vehicle side to raise the adjusting portion upward. By pulling it up or down, the drilling device is stable in the presence of the balancer weight, Tilt one point of the center of gravity as a fulcrum, it can be required angle inclined to correspond to the tip of the hook to tilt each time the track shoe.

The present invention also includes a trolley having traveling wheels,
The boring device comprises a supporting column which is erected on the cart and a perforating device which is suspended from the supporting column by a suspending means and which is vertically movable. Further, the perforating device is a positioning device for perforating a track plate. And a press device for pressing down the punch toward the die, it is not necessary to attach / detach each individual track, and it is not necessary to attach / detach the track itself from the tracked vehicle. Therefore, it is possible to save a great deal of man-hours, labor, and time required for disassembling and assembling them, and it becomes possible to attach an elastic body in a short time, and as a result, the actual working time of a crawler vehicle can be lengthened. The economic effect is extremely large.

Not only that, but also because it is not necessary to replace the mounting bolts and nuts used for assembling the track plate to the link belt, it greatly contributes not only to improving workability but also to cost reduction.
Furthermore, since the piercing device allows vertical movement along the stanchion by the lifter and the wire, some errors such as the angle generated between the track plate and the positioning metal fitting can be freely adjusted by the above wire play. It is possible to modify, in particular, as in the second embodiment, the upper end of the column is projected in the horizontal direction toward the surface side, and a pulley is attached to the projecting tip end to move the boring device up and down in a jib crane manner. When the vehicle is used as in the third and fourth embodiments, and in this case, in particular, when the boring device that moves in the free direction and can expand and contract the boom is used as in the fourth embodiment, the boring is performed. Not only the device itself can be easily moved, but also the elastic body mounting bolt hole can be punched by freely responding to the inclination of the crawler belt.

[Brief description of drawings]

FIG. 1 is a schematic side view showing a first embodiment of a portable track-plate punching device according to the present invention.

FIG. 2 is a vertical cross-sectional view showing a state immediately before a punching operation, in which an essential part of a punching device portion in the portable track shoe punching device of FIG. 1 is enlarged.

FIG. 3 is a vertical cross-sectional view showing a state immediately after a punching operation, in which an essential part of a punching device portion in the portable track shoe punching device of FIG. 1 is enlarged.

FIG. 4 is a schematic side view showing a second embodiment of the portable track-plate punching device according to the present invention.

FIG. 5 is an enlarged side view showing a part of a crawler belt mounted on a tracked vehicle.

FIG. 6 is a schematic side view showing a third embodiment of the portable track-plate punching device according to the present invention.

FIG. 7 is a schematic side view showing a fourth embodiment of the portable track-plate punching device according to the present invention.

[Explanation of symbols]

 1 dolly 2 wheels 3 struts 4 punching device 4a stripper 4b positioning metal fittings 5 hydraulic press 5a U-shaped notch 5b arm 5c hydraulic cylinder 6 die plate 7 die packing plate 8 dies 9 punch 10 punch packing plate 11 punch plate 12 punching press 13 Fork 14 Pulley 15 Wire 16 Lifter 17 Operation switch 18 Hydraulic pump 19 Control panel 20 Hydraulic pipe 21 Boom 22 Pulley 31 Vehicle 32 Arm post 33 Arm 34 Punching device 35 Hydraulic press 36 Notch 37 Wire 38 Punching press 39 Hydraulic pump 40 Hydraulic pipe 41 Vehicle 42 Outrigger 43 Crane 43a Boom 43b Hook 44 Drilling device 45 Hydraulic press 46 U-shaped notch 47 Main wire 48 Emission quenching press 49 hydraulic pump 50 sheaves A track link B C pin D crawler plate E elastic T tracked vehicle W balancer weight

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Kazuyoshi Nishi 9 5-4, Yonbancho, Chiyoda-ku, Tokyo Topy Industries Co., Ltd.

Claims (5)

[Claims] 1. A movable crane mounted on a vehicle, and a punching device mounted vertically movable by the crane. The punching device further comprises a pair of punches and a die for punching a track plate. And a press device for pressing down the punch toward the die, a portable track plate punching device. 2. A main wire which comprises a movable crane mounted on a vehicle and a punching device which is vertically movable by the crane, the main wire suspending a center of gravity of the punching device on the crane. , Auxiliary wire that can be operated separately from this and that suspends the side end of the punching device, and a balancer weight is interposed between the main wire and the punching device and for drilling the track plate. A pair of punches and a die, and a press device for pressing down the punch toward the die. 3. A trolley provided with traveling wheels, a support erected on the trolley, and a punching device suspended from the support by suspending means and vertically attached to the support. Further, the punching device comprises a pair of punches and a die for punching a shoe plate, and a press device for pressing down the punch toward the die. 4. The suspending means suspended in the up-down direction with respect to the supporting column comprises a wire on the opposite side of the supporting column where the punching device is moved up and down along the surface side of the supporting column with the apex of the supporting column as a turning point. The portable track-piercing device according to claim 3, comprising means for expanding and contracting. 5. A suspending means suspended vertically with respect to a supporting column projects an upper end of the supporting column in a lateral direction toward a surface side thereof, and a pulley is attached to the projecting tip end to pierce with a wire. The portable track-piercing device according to claim 3, wherein the shoe is hung to be raised and lowered.