JPH11310921A - Steel pipe pile driving device and method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a steel pipe pile driving device and a method thereof capable of being utilized in the case an underground facility is constructed under the track of a business line or reinforcing work of the ground under the track is carried out. SOLUTION: A steel pipe pile driving device is equipped with a track self- traveling device 4 provided to a self-traveling body 1 in a liftable manner and having a contact self-traveling device 3, a steel pipe pile rotational press in device 5 borne on the front of the self-traveling body 1 and a steel pipe pile holding device 6A. The steel pipe pile holding device 6A is constituted of a steel pipe pile bearing device 43 for bearing a steel pipe pile W and a driving mechanism 42 for moving the steel pipe pile bearing device 43 to a three- dimensional direction, and the steel pipe pile W borne on the steel pipe pile bearing device 43 is set in the steel pipe pile rotational press-in device 5 from a side position of the steel pipe pile rotational press in device 5.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a steel pipe pile driving apparatus which can be used when underground facilities are constructed under a track on a business route or when reinforcing work for the track basement, and a method of constructing the same. .

[0002]

2. Description of the Related Art When constructing an underground facility under a track on a commercial route or performing reinforcement work on a track base plate, a steel pipe pile is driven into the track or at a lateral position adjacent to the track. Need to be set up. Conventional steel pipe pile driving equipment
Because the steel pipe pile rotary press-fitting device was supported at the front of the self-propelled vehicle equipped with self-propelled means for grounding such as crawlers,
A lining plate must be laid on the track over the entire travel path of the steel pipe pile driving device between a place where the railroad crossing or the like can be entered on the track and the construction site, which requires a great deal of labor and cost.

[0003] In addition, a steel pipe pile driving device can set a steel pipe pile into a steel pipe pile rotating press-fitting device in advance, and can enter the construction site. Must be set on pile rotating press-in device. In other words, unless the next steel pipe pile is carried into the construction site by truck or the like before the first steel pipe pile is driven, the steel pipe pile driving operation cannot be efficiently performed. In addition, in the case of commercial routes, construction will be carried out at midnight from the last train to the first train.Therefore, there is danger in slinging steel pipe piles into the steel pipe pile rotary press-in device with a crane, which is dangerous. There was also a problem in terms of gender.

[0004]

SUMMARY OF THE INVENTION It is an object of the present invention to provide a steel pipe pile driving apparatus which can solve the above-mentioned conventional problems. Reference numerals are used to denote a track-based self-propelled means 4 provided on the self-propelled body 1 having a grounded self-propelled means 3 so as to be able to move up and down.
And a steel pipe pile rotating press-fitting device 5 supported at the front of the self-propelled vehicle body 1 and a steel pipe pile holding means 6A, and the steel pipe pile holding means 6A is a steel pipe pile support tool 43 for supporting the steel pipe pile W.
And a drive mechanism 42 for moving the steel pipe pile support tool 43 in a three-dimensional direction. The steel pipe pile W supported by the steel pipe pile support tool 43 is moved from the lateral position of the steel pipe pile rotary press-fitting device 5 to the relevant position. It can be set in the steel pipe pile rotary press-fitting device 5.

[0005] Regarding the implementation of the steel pipe pile driving device of the present invention having the above configuration, the driving mechanism 42 of the steel pipe pile holding means 6A is used.
The lifting and lowering body 46 is provided at the side position of the steel pipe pile rotary press-fitting device 5 so as to be able to move up and down, and the first arm 4 extending forward from the front end of the lifting and lowering body 46 and supported to be horizontally swingable.
9 and a second arm 52 supported at the tip of the first arm 49 so as to be horizontally swingable.
The steel pipe pile support tool 43 can be attached to the tip of the second pipe.

[0006] The steel pipe pile supporter 43 of the steel pipe pile holding means 6A is a supporter 5 attached to the outer surface of the steel pipe pile W.
9 may be provided with an upward pin 56 that engages upward to support the steel pipe pile W. Further, the steel pipe pile holding means may be disposed only on one of the right and left sides of the steel pipe pile rotary press-fitting device 5, but the steel pipe pile holding means 6A,
6B is desirably provided.

[0007] Further, a shielding plate 63 for protecting overhead wires located above the steel pipe pile W set in the steel pipe pile rotary press-fitting device 5.
Can be arranged. This overhead wire protection shielding plate 63
Is a steel pipe pile W set in the steel pipe pile rotary press-fitting device 5.
It is desirable to support it movably between an operation position located directly above and a standby position distant from the operation position. Also, in this case, the overhead wire protection shielding plate 63 is moved in parallel between the working position and the standby position away from the working position by a pantograph link mechanism 61 at the upper end of the steel pipe pile rotary press-fitting device 5. It can be supported as much as possible.

Further, a track bogie 8 for supporting the steel pipe pile rotary press-fitting device 5 can be provided detachably. In this case, the track bogie 8 is configured to be removably hung at the lower end of the steel pipe pile rotary press-fitting device 5 and the steel pipe pile W set in the steel pipe pile rotary press-fitting device 5.
A concave portion 66 is provided at the lower end of the steel pipe pile, and the steel pipe pile rotary press-fitting device 5 is supported via the steel pipe pile W having a lower end fitted to the concave portion 66.

When a steel pipe pile is driven into or near a track using the steel pipe pile driving apparatus of the present invention described above, the steel pipe pile W is placed on the steel pipe pile holding means 6A, 6B on site. A steel pipe pile replenishing crane car 70 for replenishing the steel pipe pile can be used. In this crane car 70, a steel pipe pile gripping means 73 is supported at the tip of a crane boom 72 so as to be able to turn in an arbitrary direction, and After placing the steel pipe pile W set in the steel pipe pile rotation press-in device 5, the steel pipe pile W supported by the steel pipe pile holding means 6A, 6B is rotated by the steel pipe pile holding means 6A, 6B. The steel pipe pile holding means 6A, 6B is set in the press-fitting device 5 and added to the previously driven steel pipe pile W, and the steel pipe pile holding means 6A, 6B of the steel pipe pile replenishing crane car 70 is provided. The steel pipe pile W gripped at 73 It can be supported fed to.

When the construction method using the steel pipe pile replenishing crane 70 is carried out, the steel pipe pile replenishing crane 70 is provided with the steel pipe pile W gripped by the steel pipe pile gripping means 73.
Can be provided at the tip of the crane boom 72 at a tip end of the crane boom 72, which is located just above the steel pipe pile W when the is set to a vertical posture at an appropriate height above the ground.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A preferred embodiment of the present invention will be described below with reference to the accompanying drawings. In FIGS. It is a running body, and includes a track self-propelling means 4, a steel pipe pile rotating press-in device 5, a pair of left and right steel pipe pile holding means 6A and 6B, a wire protection means 7, and a detachable track cart 8 (FIG. 3). ing.

The track self-propelling means 4 comprises a driven wheel unit 9 attached to the rear end of the self-propelled vehicle body 1 and a drive wheel unit 10 mounted to the front end of the self-propelled vehicle body 1. The unit 9 is provided with a guide member 11 attached to the rear end of the self-propelled body 1 as shown in FIGS.
And two elevating guide posts 12 on the guide member 11.
Bearing member 1 supported so as to be able to move up and down through a and 12b
3, a pair of left and right driven wheels 14a, 14b concentrically supported at both ends of the bearing member 13, and an elevation drive cylinder unit 15 interposed between the guide member 11 and the bearing member 13. By lowering the bearing member 13 by the cylinder unit 15, as shown in FIGS.
The self-propelled vehicle body 1 can be levitated to a predetermined height in a state where b is engaged with the two rails 16a and 16b of the track.

As shown in FIG. 3, the self-propelled vehicle body 1 is moved along the track (two rails 16a, 16a) by the driven wheel unit 9.
6b) is lifted to a predetermined height by locking the lock pin 19 through a pin hole 17 provided in the two lifting guide posts 12a and 12b and a pin hole 18 provided in the guide member 11. can do. As shown by phantom lines in FIGS. 1, 4 and 5, the cylinder unit 15 raises the bearing member 13 so that both wheels 14a and 14b rise from the two rails 16a and 16b of the track to a predetermined height. Let the self-propelled body 1
When the self-propelling means 3 for grounding is grounded, the lock pin 19 is inserted through the pin holes 20 provided on the two lifting guide posts 12a and 12b and the pin hole 18 provided on the guide member 11. Can be locked. The lock pin 19 can also be configured so that it can be locked to the guide member 11 with a pin or a bolt in a use state.

As shown in FIGS. 4, 6 and 7, the drive wheel unit 10 is supported by a bracket 21 attached to the front end of the self-propelled body 1 via a horizontal support shaft 22 so as to be vertically swingable. Swing frame 23 and the swing frame 2
And a pair of left and right drive wheels 25a, 25b attached to both ends of a drive shaft 24 pivotally supported at the free end of the drive shaft 3, and supported on the swing frame 23 via the drive shaft 24 and the chain transmission means 26. Drive motor 27 connected in conjunction
And a pair of left and right cylinder units 28 for driving the oscillating frame 23 up and down. As shown in FIGS. 3, 4, and 6, by lowering the oscillating frame 23 by the cylinder unit 28, Furthermore, the self-propelled vehicle body 1 can be lifted to a predetermined height in a state where the wheels 25a and 25b are engaged with the two rails 16a and 16b of the track. Conversely, by raising the swinging frame 23 by the cylinder unit 28, as shown in FIG. 1, both wheels 25a, 25b are lifted from the two rails 16a, 16b of the track to a predetermined height, and 1
Grounding self-propelled means 3 can be grounded. At this time, as shown in FIG.
The driving wheel unit 10 can be locked at the elevation standby position by supporting the swing frame 23 with a pin (not shown) inserted through the driving frame unit 9.

The steel pipe pile rotary press-fitting device 5 includes a fixed length link 30.
Link 31 that can be driven to expand and contract, and fixed length link 30
34 supported at the front end of the self-propelled vehicle body 1 via support means 33 composed of a cylinder unit 32 for driving the vehicle vertically, and a guide rail 3 provided on the leader 34
5 and a steel pipe pile rotation driving means 38 which is supported by the leader 34 so as to be able to ascend and descend through the elevating guide 36 which is engaged with the guide rail 35 and is driven up and down by a press-fitting cylinder unit 37. Drive means 3
Reference numeral 8 denotes a ring-shaped rotary drive unit which is conventionally known, for example, from Japanese Utility Model Publication No. 6-29226, and includes a ring-shaped rotary drive unit 39 and a ring-shaped chuck unit 40 suspended from the rotary drive unit 39. 39 and ring-shaped chuck part 4
In this state, the steel pipe pile W vertically inserted through 0 is rotatably driven by a pair of left and right motors 41 mounted on the ring-shaped rotary drive unit 39 while being held by the ring-shaped chuck unit 40.

The left and right pair of steel pipe pile holding means 6A, 6B
As shown in FIG. 2, the steel pipe pile rotary press-fitting device 5 has a symmetrical structure disposed on both left and right sides,
2 and a steel pipe pile support 43, and a drive mechanism 42
As shown in FIG. 1 and FIG.
The cylinder unit 4 is supported by a pair of front and rear elevating guide rails 44 supported by a leader 34 of
8, a lifting unit 46 driven up and down by the lifting unit 5, and a cylinder unit 48 supported by a vertical support shaft 47 so as to extend forward from the front end of the lifting unit 46 as shown in FIG.
And a second arm 52 supported by a vertical support shaft 50 at the tip of the first arm 49 and horizontally driven by a cylinder unit 51. .

As shown in FIGS. 8 and 9, the steel pipe pile support 43 is attached to the tip of the second arm 52 of the drive mechanism 42, and the horizontal support shaft is attached to the tip of the second arm 52. A pair of left and right boards 55 supported at 53 and fixed at a predetermined angle by a link 54 with a turn buckle and a front side of the board 55 with a suitable gap provided between the board 55 and the front surface of the board 55. It comprises an upward pin 56 and a rotation guide plate 58 that is rotatably supported by a horizontal support shaft 57 on the back side of the substrate 55 below the upward pin 56 and is rotatable by a horizontal support shaft 57 and whose peripheral surface protrudes from the front surface of the substrate 55. I have. On the other hand, the steel pipe pile W supported by the steel pipe pile support 43
A pair of supported members 59 made of pipe material, channel steel or the like is attached to the outer surface at an appropriate height position by welding so that the pair of left and right upward pins 56 can be fitted upward from below. .

The overhead wire protection means 7 is shown in FIGS.
0, the leader 34 of the steel pipe pile rotary press-fitting device 5
On a frame 62 supported by a pantograph link mechanism 61 composed of a pair of left and right parallel double links 60a and 60b at the upper end of the frame, a wire protection shield plate 63 made of an electrically insulating material (ebonite or the like) is horizontally attached. 6
An operation position where the overhead wire protecting shield plate 63 is positioned directly above the steel pipe pile rotation driving means 38 of the steel pipe pile rotation press-fitting device 5 by the cylinder unit 64 interposed between the steel pipe pile 2 and the upper end of the leader 34 (FIG. 1, and the phantom line in FIG. 10)
And a standby position separated rearward and downward from the operation position (FIG. 3,
(Shown by a solid line in FIG. 10). As the pantograph link mechanism 61, one using a pair of left and right parallel double links 60a, 60b has been exemplified, but the present invention is not limited to this.

The track bogie 8 is shown in FIGS. 3, 4, and 11
As shown in the figure, a bogie provided with a pair of left and right wheels and two pairs of front and rear wheels 65 engaged with two rails 16a and 16b of a track, and a steel pipe pile of the steel pipe pile rotary press-fitting device 5 on the upper surface thereof. A recess 66 is provided for fitting the lower end of the steel pipe pile W set in the rotation driving means 38. As shown in FIG. 3, the steel pipe pile W is fitted via the steel pipe pile W whose lower end is fitted to the recess 66. When the steel pipe pile W is not set in the steel pipe pile rotation drive means 38 of the steel pipe pile rotary press-fitting apparatus 5 as shown in FIG.
Ring-shaped chuck portion 40 of the steel pipe pile rotation drive means 38
Can be directly supported. As shown by the phantom line in FIG. 4, the track bogie 8 can be hung on the ring-shaped chuck portion 40 of the steel pipe pile rotation driving means 38 by a plurality of hanging tools 67 such as a chain.

FIGS. 12 and 13 show a steel pipe pile replenishing device which can be used when the steel pipe pile W is set in the steel pipe pile holding means 6A, 6B or the steel pipe pile rotary press-fitting device 5 at a steel pipe pile setting site or the like. A crane vehicle 70 is shown. The crane truck 70 includes a self-propelled grounding means 71 such as a crawler and a crane boom 72 which can move up and down and extend and contract. A steel pipe pile gripping means 73 and an overhead wire protection means 74 are attached to the tip of the crane boom 72. Have been.

As shown in FIG. 14, steel pipe pile holding means 73
Is the base material 7 attached to the tip of the crane boom 72.
5, a first swinging body 78 which is supported by a horizontal support shaft 76 so as to be able to swing up and down and is swingably driven by a cylinder unit 77. The first swinging body 78 is provided at a right angle to the horizontal support shaft 76. A second swinging body 81 pivotally supported around an axis 79 and swingably driven by a cylinder unit 80, and the second swinging body 81 is attached to both the horizontal support shaft 76 and the axis 79. A third rotating body 83 rotatably supported around an axis 82 perpendicular to the axis and rotatably driven by a cylinder unit, a hydraulic motor, or the like (not shown), and is attached to the third rotating body 83 so as to be openable and closable. And a pair of gripping claws 85 which are opened and closed by the cylinder unit 84. The support level and orientation of the steel pipe pile W gripped by the pair of gripping claws 85 can be moved up and down by the crane boom 72. Stretching, by the rotation of the swing drive, and the third rotation body 83 of the oscillator 78, 81, it can be arbitrarily changed.

As shown in FIG. 14, the overhead wire protection means 74
The base material 7 attached to the tip of the crane boom 72
A slide guide 86 is attached to the slide guide 5, and a wire protection shield plate 89 made of an electrically insulating material (ebonite or the like) is provided on a sliding frame 88 slidably supported by the slide guide 86 and slidably driven by the cylinder unit 87. When the crane boom 72 is moved up to a predetermined angle, the base material 75 is positioned so that the overhead wire protection shielding plate 89 is substantially horizontal at a predetermined height.
A slide guide 86 is attached at a predetermined angle to the slide frame 88, and the sliding unit 88 is advanced by the cylinder unit 87 in such a state, so as to be gripped by the steel pipe pile gripping means 73 as shown by an imaginary line in FIG. The upper side of the steel pipe pile W in the substantially vertical posture at the upper predetermined height can be covered with the overhead wire protection shielding plate 89.

A method for driving a steel pipe pile using the steel pipe pile driving apparatus constructed as described above will be described with reference to FIGS. 15 to 22. In the remote construction base, the steel pipe pile W is set in the steel pipe pile rotary press-fitting device 5 as shown in FIG. That is, the overhead wire protection shield plate 63 of the overhead wire protection means 7 is moved to a standby position (shown by a solid line in FIGS. 3 and 10) away rearward and downward from a position directly above the steel pipe pile rotation driving means 38, With the steel pipe pile rotation driving means 38 in the steel pipe pile rotation press-fitting device 5 raised to an appropriate height with respect to the leader 34, the steel pipe pile W is pulled into a ring-shaped rotating part 39 and a ring-shaped chuck part 40 using a crane truck or the like. Then, the steel pipe pile W is gripped and fixed by the ring-shaped chuck portion 40, and the tip metal Wa for rotary excavation is attached to the peripheral surface of the steel pipe pile W projecting below the ring-shaped chuck portion 40.

Next, as shown in FIG. 16, different steel pipe piles W are set on the steel pipe pile holding means 6A, 6B using a crane truck or the like. That is, each steel pipe pile holding means 6A,
6B (see FIG. 8), the steel pipe pile support 43 is oriented to the optimum ground height and orientation by the raising and lowering drive of the raising and lowering body 46, the horizontal swing drive of the first arm 49, and the horizontal swing drive of the second arm 52. 9, the steel pipe pile W to which the supported members 59 are attached in advance by welding is lifted by a crane truck as shown in FIG. The steel pipe pile W is externally fitted to the pin 56, and the steel pipe pile W is held by the steel pipe pile support tool 43 of each of the steel pipe pile holding means 6A and 6B in a substantially vertical posture. At this time, as shown in FIG. 9B,
By lowering the steel pipe pile W while bringing the peripheral surface of the steel pipe pile W into contact with the rotating guide plate 58 of the steel pipe pile support tool 43, the supported tool 59 is connected to the two parallel upward pins of the steel pipe pile support tool 43. 56 can be easily fitted outside.

Then, as shown in FIG. 17, the truck 8 is set at the lower end of the steel pipe pile rotary press-fitting device 5. That is,
The steel pipe pile W with metal fittings set at the steel pipe pile rotation driving means 38 and fixed by the ring-shaped chuck portion 40 is
By raising the steel pipe pile rotation driving means 38 with respect to the leader 34 and / or raising the steel pipe pile rotation press-fitting device 5 with respect to the self-propelled vehicle body 1, the track bogie 8 lifted to an appropriate height above the ground and lifted by a crane truck or the like is moved to the above-mentioned tip. It is arranged just below the lower end of the steel pipe pile W with metal fittings. Then, the steel pipe pile rotation drive means 38 is lowered to the ground to fit the lower end of the steel pipe pile W with the metal tip into the recessed portion 66 of the track bogie 8. The rotation driving means 38 (ring-shaped chuck part 40) is connected.

The above operation is carried out by lifting the driven wheel unit 9 and the drive wheel unit 10 of the track self-propelled means 4 to the ground and setting the ground self-propelled means 3 to the ground, as shown in FIGS. It is done in a state where it is made to work, but for safety of work,
As shown in FIG. 1, a pair of right and left grounding boards 90 provided on the left and right sides of the rear end of the self-propelled body 1 are connected to the cylinder unit 9.
1 and a pair of left and right grounding boards 92 provided on the left and right sides of the lower end of the leader 34 of the steel pipe pile rotary press-fitting device 5 can be grounded by the cylinder unit 93.

When the above-mentioned preparation work in the construction base is completed,
As shown in FIG. 18, the steel pipe pile rotary press-fitting device 5 is lifted with respect to the self-propelled vehicle body 1, and the track bogie 8 connected to the steel pipe pile rotary press-fitting device 5 via the hanging tool 67 is lifted. It is lifted to an appropriate height above the ground by the tool 67. After this,
The pair of left and right grounding boards 90 of the self-propelled vehicle body 1 and the pair of left and right grounding boards 92 of the steel pipe pile rotary press-in device 5 are respectively raised to an appropriate height above the ground, and the self-propelled vehicle body 1 is self-propelled by the self-propelling means 3 for grounding.

When the self-propelled vehicle body 1 enters the track at a railroad crossing or the like, a pair of left and right driven wheels 14a and 14b of the driven wheel unit 9 of the track self-propelling means 4 and a pair of left and right driven wheels of the driving wheel unit 10 are driven. The steering of the self-propelled vehicle body 1 is stopped so that the wheels 25a and 25b are located immediately above the two rails 16a and 16b, respectively. Thereafter, a pair of left and right driven wheels 14a, 14b of the driven wheel unit 9 are provided.
And a pair of left and right drive wheels 25 of the drive wheel unit 10
The driven wheel unit 9 and the driven wheel unit 10 support the self-propelled vehicle body 1 on the two rails 16a and 16b of the track by lowering the a and 25b with respect to the self-propelled vehicle body 1 as described above. . Further, the steel pipe pile rotary press-fitting device 5 is lowered with respect to the self-propelled vehicle body 1, and the wheels 65 of the suspended track bogie 8 are engaged with the two rails 16a and 16b of the track. At this time, the track truck 8
After the vehicle has moved onto the rails 16a and 16b, the entire steel pipe pile rotary press-fitting device 5 or only the steel pipe pile rotation driving means 38 is lowered with respect to the self-propelled body 1, and is set on the steel pipe pile rotation driving means 38. The lower end of the steel pipe pile W with a metal tip is brought into contact with the bottom surface of the recess 66 of the track bogie 8 and the steel pipe pile W with the metal tip and the two steel pipe piles held by the steel pipe pile holding means 6A and 6B. The entire weight of the steel pipe pile rotary press-fitting device 5 including the W can be assigned to the track bogie 8.

As shown in FIG. 19, when the entire steel pipe pile driving device has been transferred onto the two rails 16a and 16b of the track, a pair of right and left drive units of the drive wheel unit 10 of the track self-propelled means 4 are provided. The wheels 25a, 25b are driven to rotate by the motor 27, and the entire steel pipe pile driving device can be self-propelled toward the steel pipe pile driving construction site on the two rails 16a, 16b of the track. During the self-propelled work on the track, the steel pipe pile holding means 6A and 6B and the two left and right steel pipe piles W held by these means should not protrude outside the vehicle traveling area in the track. Steel pipe pile holding means 6A, 6
The first arm 49 and the second arm 52 of B are swung inward by an appropriate angle. Reference numeral 94 in FIGS. 19 to 22 denotes a power supply catenary line extending above the track.

When the steel pipe pile driving device (self-propelled vehicle body 1) arrives at the steel pipe pile driving work site, the steel pipe pile rotating press-in device 5 is raised with respect to the self-propelled vehicle body 1 as shown in FIG. hand,
By lifting the steel pipe pile W with the metal tip from the track bogie 8, the track bogie 8 is detached and removed from the steel pipe pile rotary press-fitting device 5. Then, the driven wheel unit 9 and the drive wheel unit 10 of the track self-propelling means 4 are levitated to the ground to ground the self-propelling means 3 for grounding, and the steel pipe pile rotary press-fitting device 5 is lowered with respect to the self-propelled body 1. After that, the pair of left and right grounding boards 90 on the self-propelled vehicle body 1 side and the pair of left and right grounding boards 92 on the steel pipe pile rotary press-fitting device 5 side are respectively lowered, and the steel pipe piles are driven by these grounding boards 90 and 92. The grounding self-propelling means 3 of the self-propelled vehicle body 1 is levitated to the ground so as to support the entire apparatus.

When the above preparatory work is completed, the steel pipe pile W with a metal tip is driven by the steel pipe pile rotary press-fitting device 5. That is, the ring-shaped chuck portion 40 of the steel pipe pile rotation driving means 38
A steel pipe pile rotation press-fitting step in which the steel pipe pile rotation driving means 38 is forcibly lowered with respect to the leader 34 by the press-fitting cylinder unit 37 while rotating the ring-shaped chuck portion 40 in a state where the steel pipe pile W with the metal tip is gripped. By repeatedly performing the returning process of the steel pipe pile rotation driving means 38 in which the steel pipe pile rotation driving means 38 is raised with respect to the leader 34 by the press-fitting cylinder unit 37 in a state where the ring-shaped chuck portion 40 is opened, Hardware Wa
Is piled up to a predetermined depth as shown in FIG.

When the driving of the steel pipe pile W with the metal end is completed, as shown in FIG. 21, the overhead wire protection shield plate 63 of the overhead wire protection means 7 at the standby position is moved to the operation position, and the track is moved. An overhead wire protection shield plate 63 is disposed just above the power feeding overhead wire 94 and above the steel pipe pile rotation driving means 38 (when the self-propelled vehicle body 1 is fixed to a steel pipe pile driving work site, the overhead wire protection shield plate is provided. 63 may be moved to the operating position), and the steel pipe pile rotation driving means 38 is lowered by the press-fitting cylinder unit 37 to the lower limit position with respect to the leader 34, and the steel pipe pile holding means 6A (or The steel pipe pile W held in 6B) is set on the steel pipe pile rotation driving means 38. That is, the vertical posture supported by the steel pipe pile supporting tool 43 of the steel pipe pile holding means 6A by the elevation drive of the elevating body 46 of the steel pipe pile holding means 6A and the swinging drive of the first arm 49 and the second arm 52. After the steel pipe pile W is disposed right above the ring-shaped rotary drive section 39 of the steel pipe pile rotary drive means 38, the steel pipe pile W is moved from the ring-shaped rotary drive section 39 into the ring-shaped chuck section 40 by lowering of the elevating body 46. Insert into

Next, as shown in FIG. 22, the steel pipe pile rotation driving means 38 is raised to an appropriate height by the press-fitting cylinder unit 37, and a predetermined space is secured under the ring-shaped chuck portion 40 with a working space secured. The joining portion Wb between the upper end of the steel pipe pile W with a metal tip and the lower end of the steel pipe pile W set thereon as described above is joined and integrated by welding or a screw joining method. After that, the steel pipe pile rotation press-fitting operation described in the steel pipe pile W with a metal tip is performed, and the steel pipe pile W with a metal tip and the steel pipe pile W added thereto are driven to a predetermined depth. Once this is completed,
The steel pipe pile W held by the steel pipe pile holding means 6B (or 6A) is set on the steel pipe pile rotation driving means 38 in the above-described manner, and the upper and lower steel pipe piles W are connected to each other. Then, the steel pipe pile whose total length is extended by adding is cast to a predetermined depth.

For example, in the case where three or more steel pipe piles are to be driven while being added during the continuous steel pipe pile driving operation time from the last train to the first train, an empty steel pipe pile holding means 6 is required.
It is necessary to newly supply steel pipe piles W to A and 6B.
In this steel pipe pile replenishing operation, the crane truck 70 shown in FIGS. 12 to 14 can be used. That is, the steel pipe pile W (the supported tool 59 shown in FIG. 9 is attached in advance to the steel pipe pile driving work site by a truck with a crane equipped with a track self-propelling means for self-propelling on the track. ) Of the steel pipe pile holding means 73 of the crane truck 70
And the steel pipe pile W is held by the crane 70
Vertical movement and expansion and contraction of the crane boom 72,
The rocking drive of the steel pipe piles 8 and 81 and the rotation drive of the third rotating body 83 change the posture to the vertical position, and as shown in FIG. 22, the steel pipe pile support 4 of the steel pipe pile holding means 6A and 6B in the empty state.
Support 3

In the replenishment work of the steel pipe pile, an accident in which the crane boom 72 of the crane vehicle 70 or the gripped steel pipe pile W comes into contact with the overhead wire 94 is prevented by the protection of the overhead wire attached to the tip of the crane boom 72 of the crane vehicle 70. Means 7
4 can be prevented by the overhead wire protection shielding plate 89. Needless to say, the overhead wire protecting shielding plate 89 causes the cylinder unit 87 to move the steel pipe pile W directly above the steel pipe pile W by the cylinder unit 87 before the steel pipe pile W gripped by the steel pipe pile gripping means 73 and moved to the vertical position near the overhead wire 94. It is moved forward to the action position for covering.

When the steel pipe pile refilling and placing operation is completed, the self-propelled vehicle body 1 is again moved by the track self-propelling means 4 to the rail 1 of the track.
6a, 16b, while the ring-shaped chuck portion 40 of the steel pipe pile rotating crane means 38 is transferred onto the track bogie 8 mounted on the rails 16a, 16b of the track. The self-propelled means 4 may be used to move the steel pipe pile driving device out of the steel pipe pile driving construction site.

The supported member 59 attached to the peripheral surface of the steel pipe pile W increases the press-fitting resistance of the steel pipe pile W, so that the steel pipe pile rotary press-fitting device 5 (the steel pipe pile rotation driving means 38) It is desirable to strike with a hammer or the like after setting in) and remove it.

[0038]

As described above, the steel pipe pile driving device of the present invention utilizes the self-propelled means for a track capable of moving up and down.
It is possible to easily and safely move from a place where it is possible to enter the track, such as a railroad crossing away from the steel pipe pile driving construction site on or near the track, to the construction site via the track. In other words, even if there is no suitable place near the steel pipe pile driving construction site on or near the track to allow the self-propelled vehicle to enter the track, the lining plate laying work should be performed only near the construction site. It is necessary to construct a lining plate laying construction to run the self-propelled body using the normal self-propelled means for grounding over the entire traveling route from the entry point in the track such as a railroad crossing to the construction site Compared to the case where it is not necessary, the labor and cost can be significantly reduced.

Moreover, a steel pipe pile different from the steel pipe pile set in the steel pipe pile rotary press-fitting device can be brought into the construction site while being held by the steel pipe pile holding means, and set in the steel pipe pile rotary press-fitting device. After the completion of the steel pipe pile placement, the steel pipe pile held by the steel pipe pile holding means is set in the steel pipe pile rotary press-fitting device by the steel pipe pile holding means, and the steel pipe pile is continuously added to the previously installed steel pipe pile. The pile driving work can be continued. Therefore, in the operation of placing a steel pipe pile in a track which is generally performed at midnight, the placing operation of the steel pipe pile can be efficiently performed within a limited time.

Further, even if a crane is used for replenishing the steel pipe pile holding means to the steel pipe pile holding means, it is possible to reduce dangerous sling work on the suspended steel pipe pile at midnight and to improve work safety. Can be. Furthermore, even when the position immediately below the feeder overhead wire above the track is the driving position of the steel pipe pile, the lateral position of the steel pipe pile rotary press-fitting device, that is, at a position laterally separated from the position directly below the overhead wire. The steel pipe pile to be used can be replenished to the steel pipe pile holding means and the steel pipe pile to be used can be replenished. The steel pipe pile can be supplied from the side to the steel pipe pile rotation press-fitting device immediately below the overhead wire by the steel pipe pile holding means and set. It is possible to eliminate the trouble and time required to move the steel pipe pile rotary press-fitting device from the position immediately below the overhead line to the side in each case to set the work. Can be easily prevented.

According to the second aspect of the present invention, the steel pipe pile receiving position and the height when the steel pipe pile holding means supports the steel pipe pile, and the direction of the steel pipe pile support tool can be changed according to the situation. In addition, it becomes easy to supply the steel pipe pile supported by the steel pipe pile support to the steel pipe pile rotation press-in device via a path as short as possible. In other words, the work of supporting the steel pipe pile on the steel pipe pile holding means can be easily performed, and the steel pipe pile can be efficiently supplied to the steel pipe pile rotation press-fitting device by the steel pipe pile holding means.

According to the third aspect of the present invention, the steel pipe pile can be used as the steel pipe pile holding means only by previously attaching a supported member made of a pipe material, a channel steel or the like to the steel pipe pile to be added and used. When it is possible to easily and securely support the pile support, the steel pipe pile support may be an extremely simple one with only an upward pin, and when using an openable gripping claw that grips the steel pipe pile as the steel pipe pile support. As compared with the above, the steel pipe pile holding means can be configured extremely inexpensively, and the control of the steel pipe pile holding means can be easily and easily performed.

According to the construction of the fourth aspect, in addition to the steel pipe pile set in the steel pipe pile rotary press-fitting device, two steel pipe piles are held on the left and right sides of the steel pipe pile rotary press-fitting device, respectively, and the casting work is performed. Since the steel pipe piles can be transported to the site, the work of adding and placing steel pipe piles can be performed more efficiently.

According to the configuration of the fifth aspect, even when the steel pipe pile is driven directly below the power supply overhead line above the track,
With the overhead wire protection shield plate, an accident of hooking a steel pipe pile or the like onto the overhead wire can be prevented beforehand, and work safety can be improved. In this case, according to the configuration of claim 6, when the steel pipe pile is suspended in the steel pipe pile rotary press-fitting device by a crane at a location away from the steel pipe pile driving work site, the shielding plate for wire line protection stands by. By moving the steel pipe pile to the position, the work of hanging the steel pipe pile can be performed safely and easily without being obstructed by the overhead wire protection shielding plate. Furthermore, according to the configuration of claim 7, since the ground clearance of the overhead wire protection shield plate can be reduced and the standby can be performed except when the steel pipe pile is being driven, the steel pipe pile driving work site can be reached. When the vehicle travels, there is no danger that the overhead wire protection shielding plate will be in the way.

According to the eighth aspect of the present invention, when the steel pipe pile driving device is run on the track by using the self-propelled means for the track, the steel pipe pile holding means and the set supporting the steel pipe pile are set. It is no longer necessary for the self-propelled vehicle body to support the entire steel pipe pile rotary press-fitting device including the set steel pipe piles in a cantilever manner, and the weight of the entire steel pipe pile rotary press-fitting device is held on the track via the track bogie. , The configuration of the track self-propelled means is simplified, and safety is improved. In this case, according to the configuration of claim 9, the track bogie and the steel pipe pile set in the steel pipe pile rotary press-fitting device travel in a vertically fitted state. Even if no connecting means is provided between the steel pipe pile rotary press-fitting device and the steel pipe pile, there is no possibility that both of them will be accidentally disconnected during running, and the vehicle can be safely driven.

Further, according to the steel pipe pile driving method according to the tenth aspect, when the steel pipe pile driving method is used to drive a steel pipe pile into or near a track, the steel pipe pile replenishing method is used. The steel pipe piles are replenished on site to the empty steel pipe pile holding means using a mobile crane truck, but when replenishing the steel pipe piles, instead of suspending the steel pipe piles as in general crane trucks, Since the steel pipe pile can be gripped by the pile gripping means and replenished to the steel pipe pile holding means, the steel pipe pile replenishing operation can be performed safely even at a site where there is an overhead wire above. In other words, even at a site where there is an overhead wire above, the work of adding and driving steel pipe piles can be performed efficiently and safely. When this construction method is carried out, according to the configuration of claim 11, when the steel pipe pile replenishing crane truck performs an operation of replenishing the steel pipe pile holding means of the steel pipe pile driving device with the steel pipe pile, the overhead wire is hooked. An accident can be prevented beforehand by the overhead wire protection shielding plate, and the work can be performed more safely.

[Brief description of the drawings]

FIG. 1 is a side view showing an entire steel pipe pile driving device in a use state.

FIG. 2 is a plan view showing the entire steel pipe pile driving device.

FIG. 3 is a side view showing the entire steel pipe pile driving device in a running state on a track.

FIG. 4 is a side view showing a track self-propelled means and a track bogie used when traveling on a track.

FIG. 5 is a rear view showing a driven wheel unit of the track self-propelled means.

FIG. 6 is a front view showing a drive wheel unit of the track self-propelled means.

FIG. 7 is a plan view showing the driving wheel unit.

FIG. 8 is a plan view showing a steel pipe pile holding means on one side.

FIG. 9A is a plan view showing a steel pipe pile support tool of the steel pipe pile holding means and a supported tool attached to the steel pipe pile;
FIG. B is a side view showing a state immediately before the steel pipe pile support is engaged with a supported tool on the steel pipe pile side.

FIG. 10 is a side view showing the overhead wire protection means.

FIG. 11 is a plan view of a track bogie.

FIG. 12 is a side view showing a steel pipe pile replenishing crane truck.

FIG. 13 is a plan view of the mobile crane.

FIG. 14 is a side view showing the steel pipe pile holding means and the overhead wire protection means of the crane vehicle.

FIG. 15 is a side view showing a state where a steel pipe pile with a metal tip is set.

FIG. 16 is a side view showing a state where a steel pipe pile to be used is added to the steel pipe pile holding means and used.

FIG. 17 is a side view showing a state where the track bogie is set.

FIG. 18 is a side view showing a traveling state of the self-propelled grounding means.

FIG. 19 is a side view showing a running state of the track self-propelled means.

FIG. 20 is a side view showing a preparatory work state at a casting site.

FIG. 21 is a side view showing a state in which a steel pipe pile with a metal tip has been driven.

FIG. 22 is a side view showing a state in which a steel pipe pile is added.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Self-propelled vehicle body 3 Grounding self-propelled means 4 Track self-propelled means 5 Steel pipe pile rotating press-in device 6A Steel pipe pile holding means 6B Steel pipe pile holding means 7 Overhead wire protection means 8 Track bogie 9 Follower wheel unit 10 Drive wheel unit 14a Follower Wheels 14b driven wheels 15 driven wheel lifting / lowering cylinder unit 16a track rail 16b track rail 25a driving wheel 25b driving wheel 27 driving wheel driving motor 28 driving wheel lifting / lowering cylinder unit 33 support means for steel pipe pile rotary press-in device 34 leader 37 Cylinder unit for press-fitting steel pipe pile rotation drive means 38 Steel pipe pile rotation drive means 42 Steel pipe pile support tool driving mechanism 43 Steel pipe pile support tool 46 Lifting body 48 First arm drive cylinder unit 49 First arm 51 Second arm drive Cylinder unit 52 Second arm 56 Upward pin 59 Supported device 61 Pantograph link mechanism 63 Overhead wire protection shield plate 64 Pantograph link mechanism drive cylinder unit 65 Wheel of track bogie 66 Recessed part for fitting steel pipe pile lower end of track bogie 67 Hanging for track bogie hanging Tools 70 Steel pipe pile replenishing crane truck 72 Crane boom 73 Steel pipe pile gripping means 74 Overhead wire protection means 85 Openable and closable steel pipe pile gripping claw 87 Overhead wire protection shield plate Cylinder unit for drive-in / out 89 Overhead wire protection shield plate 90 Elevation possible Grounding board 92

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Fumio Takizawa 1-3-2 Shibaura, Minato-ku, Tokyo Shimizu Construction Co., Ltd. (72) Mitsuo Kawasaki 1-2-3 Shibaura, Minato-ku, Tokyo Shimizu Corporation (72) Inventor Munehiro Fujita 1-3-2 Shibaura, Minato-ku, Tokyo Shimizu Corporation Shimizu Corporation (72) Inventor Mizuki Mori 1-244 Kobayashi-Higashi Kobayashi, Osaka City, Osaka Within the group

Claims (11)

[Claims] 1. A track self-propelled means provided on a self-propelled vehicle body having a grounding self-propelled device so as to be able to move up and down, a steel pipe pile rotating press-in device supported on a front part of the self-propelled vehicle body, and a steel pipe pile Holding means, wherein the steel pipe pile holding means comprises a steel pipe pile support for supporting the steel pipe pile, and a drive mechanism for moving the steel pipe pile support in a three-dimensional direction. A steel pipe pile setting device, wherein a supported steel pipe pile can be set in the steel pipe pile rotary press-fitting device from a side position of the steel pipe pile rotary press-fitting device. 2. A driving mechanism for said steel pipe pile holding means, comprising: a lifting / lowering body provided at a lateral position of said steel pipe pile rotating press-in device so as to be able to move up and down; And a second arm supported by a tip of the first arm and driven to swing horizontally. The steel pipe pile support is attached to a tip of the second arm. 2. The steel pipe pile driving device according to 1. 3. The steel pipe pile supporting means of the steel pipe pile holding means includes an upward pin which engages a supported tool attached to an outer surface of the steel pipe pile upward to support the steel pipe pile. Item 3. The steel pipe pile driving device according to item 1 or 2. 4. The steel pipe pile holding means is disposed on each of the left and right sides of the steel pipe pile rotary press-fitting device.
4. The steel pipe pile driving device according to any one of items 3 to 3. 5. An overhead wire protection shielding plate located above a steel pipe pile set in the steel pipe pile rotary press-fitting device.
The steel pipe pile driving device according to claim 1. 6. The overhead wire protection shield plate is movably supported between an operation position located directly above a steel pipe pile set in the steel pipe pile rotary press-in device and a standby position away from the operation position. The steel pipe pile driving device according to claim 5, wherein 7. The overhead wire protection shield plate is provided at the upper end of the steel pipe pile rotary press-fitting device by a pantograph link mechanism so as to be able to move in parallel between the operating position and a standby position away from the operating position rearward and downward. The steel pipe pile driving device according to claim 6, which is supported. 8. The steel pipe pile driving device according to claim 1, wherein a track bogie for supporting said steel pipe pile rotary press-fitting device is detachably provided. 9. The track bogie is removably hung at the lower end of the steel pipe pile rotary press-fitting device, and has a recessed portion into which the lower end of the steel pipe pile set in the steel pipe pile rotary press-fitting device fits. The steel pipe pile driving device according to claim 8, wherein the steel pipe pile rotation press-fitting device is supported via a steel pipe pile having a lower end fitted into the concave portion. 10. A steel pipe pile driving method using a steel pipe pile driving device and a steel pipe pile replenishing crane truck, wherein the steel pipe pile driving device is mounted on a self-propelled vehicle body provided with self-propelled means for grounding. A track self-propelled means provided so as to be able to ascend and descend, a steel pipe pile rotating press-in device supported at the front of the self-propelled vehicle body, and a steel pipe pile holding means, wherein the steel pipe pile holding means supports the steel pipe pile. And a driving mechanism for moving the steel pipe pile support in a three-dimensional direction. The steel pipe pile supported by the steel pipe pile support is moved from a lateral position of the steel pipe pile rotary press-fitting device to the steel pipe pile. The steel pipe pile replenishing crane truck is configured to be set in a steel pipe pile rotary press-fitting device, and the steel pipe pile gripping means is supported at the tip of a crane boom so as to be able to turn in any direction. While setting the steel pipe pile in the rotary press-fitting device, The self-propelled vehicle body is supported on the track by the track self-propelling means while the steel pipe pile to be used is supported by the steel pipe pile holding means, and the self-propelled body for track is automatically transferred to the steel pipe pile setting work site by the track self-propelling means. After running the running car body, after driving the steel pipe pile set in the steel pipe pile rotary press-fitting device, the steel pipe pile supported by the steel pipe pile holding means is rotated by the steel pipe pile rotary press-fitting device. The steel pipe pile held by the steel pipe pile holding means of the crane truck for supplying steel pipe piles is supplied to the empty steel pipe pile holding means. A steel pipe pile driving method characterized by being supported. 11. The crane truck for replenishing steel pipe piles according to claim 1, wherein the steel pipe pile gripped by the steel pipe pile holding means is placed at an appropriate height above the ground in a vertical position, and a shield plate for overhead wire protection positioned immediately above the steel pipe pile is provided. The crane boom is provided at the tip thereof.
0 steel pipe pile driving method.