JP2969328B2 - Crane truck with drilling device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a crane truck equipped with a drilling device in which a boring device is mounted on a boom of a crane truck.

[0002]

2. Description of the Related Art Various types of drilling machines have been used in the prior art. However, the present invention employs a drilling machine attached to one side of a telescopic boom of a crane truck. At the time of drilling work, set the guide rail of this drilling device straight out in the protruding state in front of the boom, and set the drilling device up and down by radio control.
By drilling up and down, tilting up and down, and swinging left and right to drill holes on slopes and high places of dams and roads, when the crane truck is moving, the drilling device is folded back to one side of the boom, and it is locked and held in an overlapped state to travel. It is an object of the present invention to provide a mobile crane with a drilling device, which can be used as a normal mobile crane.

[0003]

The gist of the present invention will be described with reference to the accompanying drawings.

A crane truck a provided with a hook block mechanism 2 at the tip of an extendable undulating / rotating boom 1, wherein a support frame 4 is detachably provided on the hook block mechanism 2 via a support mechanism 3. A support arm 5 is protruded from the support frame 4, a guide rail 7 is provided at a tip of the support arm 5 via a connecting holder 6, and a drilling machine b is provided on the guide rail 7 so as to be able to move up and down. An elevating mechanism 9 for elevating and lowering the guide rail 7 with respect to the body 8 is provided between the guide rail 7 and the connection holding member 6, and the guide rail 7 is provided between the support frame 4 and the support arm 5.
And a tilt mechanism 11 for raising and lowering the guide rail 7 between the support arm 5 and the connection holder 6, and the guide rail 7 between the guide rail 7 and the connection holder 6. A swing mechanism 12 for swinging is provided. When the crane truck a moves to the support means 3, the rotation locking means 3 'of the support mechanism 3 is released, and the guide rail 7
A crane truck with a drilling device, characterized in that a locking means 13 for locking the guide rail 7 is provided on the undulating / rotating boom 1 after being turned back to one side of the undulating / rotating boom 1 and rotated in the overlapped state. It is related.

Further, an elevating mechanism 9 for elevating the guide rail 7 with respect to the body 8, a sliding mechanism 10 for moving the guide rail 7 up and down, an inclining mechanism 11 for raising and lowering the guide rail 7, and a left and right guide rail 7. The crane truck with a drilling device according to claim 1, further comprising a control mechanism (14) for controlling a swing mechanism (12) for swinging with a radio control.

[0006]

BEST MODE FOR CARRYING OUT THE INVENTION A preferred embodiment of the present invention will be described with reference to the drawings, which are one example of the embodiment, showing operational effects.

A first embodiment will be described.

The crane truck a is run, the crane truck a is set at the drilling location, the locking means 13 is released, and the guide rail 7 is folded back on one side of the up-and-down / rotating boom 1 and held in the overlapped state. By rotating the tip, the guide rail 7 is straightly extended to the front of the boom and set, and fixed by the support mechanism 3.

Next, after extending the boom of the crane truck a and raising and lowering and turning the boom, the guide rail 7 is lowered by the elevating mechanism 9, the guide rail 7 is slid downward by the sliding mechanism 10, and the tilt mechanism 11 is moved by the tilt mechanism 11 at that position. Guide rail 7
Is tilted to a desired angle, the guide rail 7 is swung left and right by the swing mechanism 12, the centering of the drilling hole and the inclination angle of the drilling hole are determined, and the drilling is performed while the drilling machine b is lowered.

When the drilling is completed, the drilling machine b is raised above the guide rail 7, and the lifting mechanism 9 moves the guide rail 7.
To move the tip of the boring rod away from the drilling surface and move to the next drilling point.

When all the drilling operations in the area are completed and the crane truck a is to be moved, first, the hoisting / turning boom 1 is contracted, the boom is set on the body 8, and the drilling machine b is mounted on the guide rail 7. Upward, the guide rail 7 is moved forward of the body 8 to set the guide rail 7 in a state parallel to the boom by the swing mechanism 12, the tilt mechanism 11, and the sliding mechanism 10, and the rotation locking means 3 'of the support mechanism 3 Release guide rail 7
Is rotated to set the guide rail 7 on one side of the up-and-down / rotating boom 1 so that the guide rail 7 is locked on one side of the boom by the locking means 13 and moved.

Further, with the drilling device held and attached to one side of the boom, a heavy object is lifted up and down and horizontally by a hook block mechanism 2 attached to the tip of the hoisting / turning boom 1 of the crane truck a. Can be transported in any direction.

According to the present invention, as described above, the drilling device can be held and moved on one side of the boom of the crane truck a in a mounted state, and the guide rail 7 projects from the front of the boom at the drilling site. The drilling work can be performed straight on the slopes of roads and dams or at high altitudes, eliminating the troublesome work of attaching and removing drilling equipment to and from the boom, significantly improving work efficiency and crane trucks. It becomes a crane truck with a drilling device that demonstrates excellent practicality that can be used as it is as a.

A second embodiment will be described.

An elevating mechanism 9 for raising and lowering the guide rail with respect to the body 8, a sliding mechanism 10 for moving the guide rail 7 up and down, a tilt mechanism 11 for raising and lowering the guide rail 7 and a swing for swinging the guide rail 7 right and left. Since the control mechanism 14 that controls the mechanism 12 and the radio control is provided, the operator can freely control the drilling device by radio control in close proximity to the drilling point and visually check the centering of the drilling and Since drilling can be performed by setting the drilling device while checking the inclination angle of the drilling hole, highly accurate drilling is possible, and drilling work can be performed immediately in response to changes in various drilling conditions depending on the formation. It is a crane with a drilling device that can be implemented and has an excellent effect in practical use.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In the illustrated embodiment, a hook block mechanism 2 is provided at the tip, and the drilling device is mounted on a crane truck a having an up-and-down and turning boom 1 which expands and contracts in four steps.

An embodiment according to claim 1 will be described.

A crane truck a provided with a hook block mechanism 2 at the tip of an extendable undulating / rotating boom 1, and a support frame 4 is detachably provided on the hook block mechanism 2 via a support mechanism 3. A support arm 5 is protruded from the support frame 4, a guide rail 7 is provided at a tip of the support arm 5 via a connecting holder 6, and a drilling machine b is provided on the guide rail 7 so as to be able to move up and down. An elevating mechanism 9 for elevating and lowering the guide rail 7 with respect to the body 8 is provided between the guide rail 7 and the connection holding member 6, and the guide rail 7 is provided between the support frame 4 and the support arm 5.
And a tilt mechanism 11 for raising and lowering the guide rail 7 between the support arm 5 and the connection holder 6, and the guide rail 7 between the guide rail 7 and the connection holder 6. A swing mechanism 12 for swinging is provided, and when the crane truck a moves to the support means 3, the rotation locking means 3 'of the support mechanism 3 is released, and the guide rail 7 is folded back to one side of the up / down / slewing boom 1 and overlapped. A locking means 13 for locking the guide rail 7 after turning is provided on the undulating / turning boom 1.

This will be described in more detail.

A support frame 4 is detachably provided on the hook block mechanism 2 via a support mechanism 3. The illustrated support mechanism 3
Are supporting plates 1 on the side plates 2 'on both sides of the hook block mechanism 2, respectively.
6 is welded up and down, and the supporting arm 1
7 is protruded rearward, and these protruding support arm rods 17 are fitted to upper and lower support plates 16 and 16 in a state of being clamped, and leftward (hereinafter referred to as right and left in the traveling direction of the crane a). Upper and lower support plates
The projecting support arm rods 17 are pivotally attached to each other by pivot pins 18, and the right support plate 16 and the projecting support arm rod 17 are pivotally held by the rotation locking means 3 ′. The illustrated rotation locking means 3 ′ is provided with a left screw on the inner diameter of the boss 16 ′ of the upper right support plate 16 and the lower right support plate 1.
The holding screw bushes 19 and 19 ′ in which the right screw is screwed into the inner diameter of the boss portion 16 ′ of 6 are slidably fitted, and the upper and lower holding screw bushes 1
Key holes are drilled in 9, 19 ', and detent bolts 23 whose front ends are engaged with the key grooves are screwed into upper and lower boss portions 16' and 16 ',
The holding screw bushes 19, 19 'are attached to the upper and lower projecting support arm rods 17.
The left and right screws engaging with the upper and lower holding screw bushes 19 and 19 ′ are screwed into the holding screw bushes 19 and 19 ′. When the rotation holding rod 20 is turned clockwise as viewed from below as shown in FIG. 5, the lower holding screw bush 19 'moves downward and the upper holding screw bush 19 moves upward by the left and right screw mechanisms. The upper and lower support plates / projecting support arm rods 16/17 and 16/17 are fitted into the shaft holes of the respective projecting support arm rods 17
When the support frame 4 is fixedly supported by the hook block mechanism 2 in cooperation with the left shaft mounting pins 18 and 18 and the rotation holding rod 20 is rotated in the opposite direction, The lower holding screw bush 19 ′ moves upward, and the upper holding screw bush 19 moves downward to separate from the upper and lower fitting holes, and the upper and lower support plates 16.
The connection between the support plate 16 and the protruding arm rod 17 is released because it is buried in the 16. When the operator turns the tip of the guide rail 7 counterclockwise in this released state, the support frame 4 turns counterclockwise about the axis pins 18 and the guide rail 7 moves up and down and turns. Since it turns back to one side of the boom 1 and rotates in the overlapped state, the tip end of the guide rail 7 is supported by the support arm 21 of the locking means 13 provided on one side of the boom.
The guide rail 7 is fixed to the support arm 21 by inserting the lock pin 22 into the lock hole formed in the support arm 21.

The support frame 4 is provided with a bearing 24 having a pivot portion perpendicular to the axis of the boom. The base of the support arm 5 is pivotally mounted on the bearing 24, and the other end is extended forward. 3 on the other end
A mounting bracket 25 having a U-shape is attached as shown in the figure, and a turning hole is drilled at the end of the mounting bracket 25 in parallel with the pivot hole of the bearing portion 24, and the connecting shaft 26 is turned in the turning hole. Fits freely, connecting shaft 26
The base of a two-piece inclined lever 27 is fitted to the shaft portion in the U-shape of the U-shape, and the other end is projected obliquely upward and rearward.
Is fixed to the connecting shaft 26 by a fixing means such as a key.
The arm plate has an opening on the right side of the extending shaft portion on the right side of the arm, and the arm plate is fitted with the base of the channel-shaped connecting metal fitting 28 parallel to the axis of the boom and fastened to the connecting shaft 26 by a fastening means such as a key. The head of the guide rail holding metal fitting 29 is fitted into the upper and lower arm plates of the connecting metal fitting 28, and is axially mounted on the rotating pin 33. The connection holder 28 and the guide rail holding metal 29 are also provided so as to rotate together with the connection shaft 25 as the center, so that the connection holder 6 is formed.

The illustrated guide rail 7 comprises a pair of channel-type steel members with their respective openings facing outward and their respective abdominal plates facing each other at a predetermined interval. An elevating cylinder 31 is provided via 30 (description omitted), and the tip of a piston rod of the elevating cylinder 31 is axially attached to a rod fitting 31 ′ fixed to the tip of a guide rail, and is opposed to the guide rail holding fitting 29. Four fastening screw hole legs 29 'for fastening the guide rail 7 are protruded to the right, and fastening pieces 31 "corresponding to the cylinder cylinders of the elevating cylinder 31 corresponding to the fastening screw hole legs 29'. , And the fastening screw hole leg 29 ′ and the corresponding fastening piece 31 ″ are connected with a fastening bolt,
The guide rail 7 is provided so as to be lowered with respect to the machine body 8 by the rod fitting 31 ′ of the piston rod when the lift cylinder 31 is contracted and operated, thereby constituting the lift mechanism 9. A tilting cylinder 35 is provided between the support frame 4 and the supporting arm 5 as a sliding mechanism 10 for vertically moving the guide rail 7, and the guide rail 7 is raised and lowered between the supporting arm 5 and the tilting lever 27. A tilting cylinder 36 is provided as 11, a base of a swing lever 37 is pivotally mounted on the extended left end of the connecting shaft 26 of the connecting holder 6, and the other end protrudes forward, and is provided behind the base of the guide rail holding bracket 29. A swing cylinder 38 is provided as a swing mechanism 12 for extending the end portion forward and swinging the guide rail 7 right and left between the extension portion 29 "and the swing lever 37. Reference numeral 40 in the figure denotes a drilling machine. B is an excavating air motor for drilling holes by lowering b through a chain using the guide rail 7 as a guide, 41 is a boring rod, and 42 is a bit.

Since the present embodiment is constructed as described above, the crane truck a is run, the crane truck a is set at the drilling site, the locking pin 22 of the locking means 13 is pulled out from the support plate 21, and the undulation is raised. -The fixed engagement between the guide rail 7 and the boom of the drilling device that is folded back on the support arm 21 on one side of the revolving boom 1 and is released, and the tip of the guide rail 7 is manually pushed. The guide rail 7 is turned clockwise as shown in FIG. 6 around the shaft mounting pins 18 and 18 so that the guide rail 7 is straightly extended in a protruding state in front of the boom, and the side plate of the rotation locking means 3 ′. 2 'right and left upper and lower holding screw bush 19'-1
The axis of 9 'is aligned with the axis of the insertion hole of the upper and lower projecting support arm rods 17 of the support frame 4, and the rotation holding rod 20 of the rotation holding means 3' is rotated to hold the upper and lower holding screw bushes 19, 19. Are inserted into the shaft holes of the respective protruding support arm rods 17 and the upper and lower support plates 16.
・ The upper and lower projecting support arm rods 17 are connected to the upper and lower holding screw bushes 19,
Attached to the connecting shaft by the rotation holding rod 20 via 19 ', and in cooperation with the left shaft attaching pins 18 and 18, the guide rail 7 is straightly extended to the front of the boom by the support mechanism 3 and fixed. I do.

At this time, if the tip of the boom is tilted and turned slightly upward, the weight of the guide rail 7 itself can be used as a turning moment of the guide rail 7 to facilitate the turning operation.

After extending the boom of the crane truck a and raising and lowering and turning the boom, the raising and lowering cylinder 31 is contracted and operated to lower the guide rail 7, and the sliding cylinder 35 is contracted and operated. As shown in FIG. 2, the bearing is rotated downward with the bearing portion 24 as an axis, and the tilting cylinder 36 is extended at that position to tilt the tip of the boring rod 41 downward at a desired angle about the connecting shaft 26. By extending the swing cylinder 38, the tip of the boring rod 41 is turned to the right around the pivot pin 33 as shown in FIG. 3, and the centering of the hole and the excavation angle are set to the desired excavation angle. Activate the excavating air motor 40 and lower the drilling machine b on the guide rail 7 while drilling the drilling machine b.
Is operated to drill holes.

When the drilling with the first boring rod 41 is completed, the drilling air motor 40 is rotated in the reverse direction to raise the drilling machine b on the guide rail 7, and the boring rod 41 is drilled to a predetermined depth while being extended. Make a hole.

After drilling is completed, the boring rod 41 is sequentially separated from the drilling rod by the reverse operation, and then the elevating cylinder 31 is extended to move the bit 42 away from the drilling surface and move to the next drilling point. .

When moving the crane a after completing all the drilling work in the area, the undulation / turning boom 1
, The undulating / rotating boom 1 is set on the fuselage 8, the drilling machine b is moved above the guide rail 7, and the swing mechanism 12 is moved.
The guide rail 7 is set in a state parallel to the boom by the tilt mechanism 11 and the slide mechanism 10, and the connection between the right upper and lower support plates 16 and the protruding support arm rod 17 is released by the rotation locking means 3 ′. ,
The distal end of the guide rail 7 is rotated counterclockwise by hand pressing to support the distal end of the guide rail 7 on the support arm 21 and the distal end of the guide rail 7 is locked and fixed to the boom by the locking pin 22. At this time, as described above, if the tip of the boom is tilted and turned slightly upward, the weight of the guide rail 7 itself may be used as the turning moment of the guide rail 7.

A second embodiment will be described.

An elevating mechanism 9 for elevating and lowering the guide rail 7 with respect to the body 8, a sliding mechanism 10 for moving the guide rail 7 up and down, an inclining mechanism 11 for raising and lowering the guide rail 7 and a left and right swing of the guide rail 7. The control mechanism 14 that controls the swing mechanism 12 and the radio control is provided, so drilling work is easy, and the operator can drill by operating a drilling device in close proximity to the boring rod. Is significantly improved.

[0031]

The effect of the first aspect will be described.

In the present invention, as described above, the drilling device is folded back on one side of the boom of the crane truck and travels while holding it in the overlapped state, and during drilling work, the drilling device is projected forward of the boom. Straighten, set and fix to drill holes on slopes and high points of dams and roads.When drilling is completed, fold the drilling device again and hold it on one side of the boom to cut the next. Since this type of crane truck can be moved to the drilling site, this type of conventional crane truck mounts the drilling device on the boom at the drilling site, starts drilling work, and when the drilling operation is completed, moves the drilling device to the end of the boom. Compared to the case where the transfer must be carried out separately from the part, there is no need to connect and separate the drilling device to the boom, so mobility and safety are high, and labor and time can be saved, so efficiency is significantly improved. Extremely practical excellence The drilling apparatus with a crane truck.

Further, since the crane truck with a drilling device of the present invention can be used as it is for crane truck work, it becomes a crane truck with a drilling device having both functions of excavation work and crane work.

The effect of claim 2 will be described.

The radio control includes an elevating mechanism for raising and lowering the guide rail with respect to the body, a sliding mechanism for moving the guide rail up and down, a tilt mechanism for raising and lowering the guide rail, and a swing mechanism for swinging the guide rail left and right. A control mechanism is provided to allow the operator to adjust the centering angle of the drilling at the start of drilling, while the operator visually observes the inclination and attitude of the guide rail at the drilling point while raising and lowering, sliding, tilting, and swinging mechanisms. Can be drilled by setting the drilling device while confirming the centering of the drilling hole and checking the inclination angle of the drilling hole by using radio control to ensure high-precision drilling. Drilling equipment with excellent responsiveness and excellent responsiveness that enables drilling work that can immediately cope with changing drilling conditions The over emission vehicles.

[Brief description of the drawings]

FIG. 1 is a partially omitted side view showing a state in which a cutting machine according to the present embodiment is folded back on one side of a boom of a crane truck and held in an overlapped state.

FIG. 2 is an explanatory diagram showing the configuration and operation of the embodiment.

FIG. 3 is a back view of a main part of the embodiment.

FIG. 4 is a perspective view showing the support mechanism and the rotation locking means of the embodiment.

FIG. 5 is a cross-sectional view showing the rotation locking means of the embodiment.

FIG. 6 is an explanatory plan view showing a state in which the guide rail of the embodiment is rotated forward from the one side of the hoist / boom boom.

[Explanation of symbols]

 Reference Signs List a crane car b drilling machine 1 undulating / rotating boom 2 hook block mechanism 3 support mechanism 3 'rotation locking means 4 support frame 5 support arm 6 connection holder 7 guide rail 8 body 9 elevating mechanism 10 swing mechanism 11 Tilting mechanism 12 Swing mechanism 13 Locking means 14 Control mechanism

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁶ , DB name) E21B 7/02

Claims (2)

(57) [Claims] 1. A crane truck provided with a hook block mechanism at the tip of an extendable undulating / rotating boom, wherein a support frame is detachably provided on the hook block mechanism via a support mechanism. A supporting arm is protruded from the supporting arm, and a guide rail is provided at the tip of the supporting arm via a connecting holder, and a drilling machine is provided on the guide rail so as to be able to move up and down, and a guide rail is provided between the guide rail and the connecting holder. A lifting mechanism for raising and lowering the body is provided, a sliding mechanism for vertically moving the guide rail between the support frame and the support arm is provided, and a tilt mechanism for raising and lowering the guide rail between the support arm and the connection holding body is provided. Provided, a swing mechanism for swinging the guide rail left and right between the guide rail and the connection holding body, and releasing the rotation locking means of the support mechanism when the crane truck moves to the support means, A crane truck with a drilling device, wherein a locking means for locking the guide rail after turning the guide rail back to one side of the up / down / slewing boom and rotating in a superposed state is provided on the up / down / slewing boom. 2. A radio mechanism comprising: an elevating mechanism for elevating and lowering the guide rail with respect to the body; a sliding mechanism for moving the guide rail up and down; a tilt mechanism for raising and lowering the guide rail; and a swing mechanism for swinging the guide rail left and right. The crane truck with a drilling device according to claim 1, further comprising a control mechanism controlled by a control.