JP3063272U - Hydraulic drilling machine - Google Patents

Abstract

(57) [Problem] To provide a hydraulic drilling machine having a tower that can use a long rod and fits within the entire length of a transport vehicle when laid down. The drilling machine includes a drilling tower having a rotary head for driving a drilling rod or a tubular casing in a combination of rotation about a substantially vertical axis and movement along the axis. I have. The excavation tower (22) is of a telescoping type that can slide along a fixed guide structure or lattice (24) by operation of a hydraulic actuator (23). Telescopic tower (22)
At one end, one end is connected to the rotary head (30) so as to form a closed ring around the tower (22), and the other end is connected to a predetermined point of the fixed structure (24) and other ends. Cables (2
8, 34) for moving the pulleys (27, 35).

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention belongs to the field of drilling machines for digging wells such as groundwater, hot springs, oil and natural gas, and in particular, a combination of rotation about an almost vertical axis and movement along the above axis. And a drilling tower having a drilling tower having a rotary head for driving a drilling rod or a tubular casing with the above operation.

[0002]

[Prior art]

 In drilling holes in the ground, various types of well drilling machines are known, which are mounted on trucks or trailers for transportation and are drilled or pre-drilled on the ground. It has an independent power unit to rotate the drilling tool to enlarge the drilled hole. In addition, drilling machines include not only those mounted on trucks and trailers, but also crawler types and skid types.

A new type of conventional well drilling machine includes a tower or a column mounted on a transport vehicle. The tower is laid horizontally on a transport vehicle during transport, and in normal operation is erected in a vertical position by hydraulic pistons or mechanical devices. Various ancillary equipment, such as air compressors, mud pumps, handling and service winches, are also included in some transport vehicles.

[0004] The length of the drilling rod is basically determined by the height of the tower. Rotary heads with fixed drilling rods are often fixed, but others are mounted slideably on towers.

[0005] In order to reduce the downtime required to connect the rods during drilling, it is clearly advantageous to use a drilling rig that can utilize as long a rod as possible.

[0006]

[Problems to be solved by the invention]

 A major problem with such drillers relates to their transport. In this regard, significant problems in size and maneuverability when laying very high towers on transport vehicles, as they may extend beyond the transport size limits imposed by local laws. is there.

[0007]

[Means for Solving the Problems]

 Accordingly, an object of the present invention is to provide a hydraulic drilling machine having a tower that can use a long rod and fits within the entire length of a transport vehicle when laid down.

[0008] During digging and rod retrieval, rods are immediately placed in service wells or mouse holes near the wells and are pulled up (or inserted) one by one by a rotary head. ). To do so, it is necessary to move the rotary head for each rod from a position directly above the well to a position above the auxiliary well so that the rod can be raised or returned.

Another object of the present invention is to provide a drilling machine with a simple and functional device for moving a rotary head so that individual drilling rods can be raised and / or inserted when needed. To provide.

[0010] These objects are achieved according to the invention by a drilling machine according to claim 1.

[0011] Still another object of the present invention is to provide a well equipped with a device for mounting and removing a rod in order and quickly when digging a hole in a well or extracting a rod when the well is completed. To provide machines.

This object is achieved by a storage and handling device according to claim 4.

[0013] Yet another object of the present invention is to provide a connection device that can successfully connect a threaded drill member to a threaded connection portion by applying a predetermined appropriate connection force. In particular, it is an object to provide a coupling device adapted to operate in combination with the device disclosed above.

This object is achieved according to the invention by a connecting device according to claim 8.

Another object of the present invention is to properly connect a threaded member of a drill stem and to safely apply a predetermined appropriate tightening torque to a rod or a thread portion of a casing. It is to provide a fixing device.

This object is achieved by a fixing device according to another aspect of the present invention.

Yet another object of the present invention is to provide a simple, safe and accurate rod and casing to and from containers and auxiliary wells within the reach of the rotary head of the drilling machine. An object of the present invention is to provide an improved and mechanized rod or casing handling device which can be moved in a manner.

This object is achieved by a handling device according to claim 11 which is still another aspect of the present invention.

[0019]

[Embodiment of the invention]

 Hereinafter, preferred and non-limiting embodiments of the present invention will be described with reference to the accompanying drawings. Referring to FIG. 1, the drilling machine of the present invention includes a drilling rig indicated by reference numeral 10 that is rotatably provided at the rear of a transport vehicle. The transport vehicle is also equipped with a diesel engine 17, auxiliary equipment such as a mud pump or compressor 16, an independent power unit 15, a handling winch 14, and the like. The drilling rig 10 can be laid almost horizontally by rotating in a vertical plane by the hydraulic piston 13. When in the transport position (not shown), the rig 10 has its front portion resting on a suitable frame (not shown) and is completely within the full length of the transport vehicle. .

The well drilling machine further includes a set of hydraulic jacks 19 and a mechanical screw jack 20 for stabilizing the drilling rig 10 vertically.

In the present invention, a telescopic tower 22 (FIGS. 1 and 2) having a rectangular cross section has a hydraulic piston 23 therein, and the height of the piston 23 is equal to the height of the tower 22. Almost equivalent. The tower 22 is slidable inside a support structure or lattice 24 when lifted by a piston 23.

A cable, chain or other flexible transmission means 28 is hung around the upper end pulley 27 of the tower 22, one end of which is fixed to the track at 29 and the other end. Supports a conventional rotary head, which is generally designated by the reference numeral 30. The rotary head can grip a drill rod (as illustrated in FIGS. 7 and 8). As shown in FIGS. 1 and 3, the rotary head 30 is fixed to a frame 31 that can be slid vertically along the lattice 24 by rollers 32. The frame 31 has one end of a second cable (or chain or other flexible means) 34 secured thereto at the location 33 (FIG. 2), and the second cable 34 is Is slidable around a pulley 35 that rotates near the lower end of the pulley 35. The other end of the second cable 34 is fixed to a fixing point of the lattice 24 at a position indicated by reference numeral 36 via an extension device 46.

As shown in FIG. 3, the frame 31 supports the rotary head 30 via a rotatable quadrilateral link mechanism composed of a pair of rigid arms 40 and 41. These two arms 40, 41 are rotatable with respect to both the frame 31 and the rotary head 30, and are shifted to a position 43 of the frame 31 and a position 44 of a projection 45 welded to the arm 41. A hydraulic piston 42 is rotatably connected.

Still referring to FIG. 3, the rotatable quadrilateral link mechanism can rotate the rotary head 30. In this regard, when the piston 42 is extended, the arms 40, 41 rotate counterclockwise to lift the rotary head 30, thereby moving the rotary head 30 from the vertical line a corresponding to the well axis to the drilling rod. To the vertical line b (the position indicated by the dashed line) coaxial with the auxiliary well for inserting and removing the gas.

Next, the operation of the drilling rig 10 will be described. Referring to FIG. 1, when attempting to add a new drilling rod (not shown) to a previously installed drilling rod, the telescoping tower 22 is initially located at the lower travel end within the lattice 24. is there. When in this initial position, the piston 23 is completely retracted, the tower 22 is housed in the lattice 24, and the upper pulley 27 projects from the lattice 24. Hydraulic circuits (not shown for simplicity) extend the rotatable quadrilateral linkage piston 42 and move the rotary head 30 to the position shown in dashed lines so that a new drill rod removed from the auxiliary well can be mounted. (FIG. 3). The piston 23 is then extended by the main hydraulic circuit (not shown for simplicity), which raises the tower 22 in the lattice 24. During this operation, the rotary head 30 is lifted upward at twice the speed of the tower 22 and the pulleys 27,35.

When the tower 22 reaches the position of the upper moving end (indicated by the dotted line in FIG. 1), the piston 42 retracts and returns the rotary head 30 to a position coaxial with the well being drilled. Thereafter, the new drilling rod is connected to the already mounted drilling rod, and the rotary head 30 is operated to dig the well being drilled to a new depth. At this time, the hydraulic piston 23 retracts so as to lower the tower 22 and the rotary head 30.

At the time of this excavation operation, the cable 28 is in a loosened state, so that the pulley 35 moves down together with the tower 22, so that the tension pulling the rotary head 30 downward acts on the second cable 34.

When the rotary head 30 and the tower 22 come to the position of the lower moving end, the movement of the rotary head 30 stops, and a new rod can be connected to perform a further excavation cycle.

In order to remove a drilling rod from a well, the operation is exactly the opposite of the drilling cycle.

As shown in FIG. 2, the two vertical portions of the cable 28 are symmetrical with respect to the vertical axis of the tower 22 so that no tensile stress acts on the tower 22 due to tensile forces. .

In the drilling rig having the telescopic tower according to the present invention, the conventional drilling machine having the fixed tower can be used as long as it is not folded twice, even if it has the same length in the transport position. Longer rods than those used can be used.

Referring to FIG. 4, according to the invention, a drill rod storage and handling device, generally indicated at 60, is combined with the drill rig 10. This device consists essentially of a plurality of tiltable containers 61 of the lattice type, a base 62 and a lifting jib crane 63.

In the preferred embodiment shown in FIGS. 4-6, the base 62 is arcuate in plan view. FIG. 5 shows a state in which the plurality of containers 61 are upright.

A platform-shaped base 62 is located near the drilling rig, well and auxiliary well 51.

Each container 61 has a rear or outer side surface 70. From its side 70, three parallel branches 71 extend. A pair of chambers or compartments 65 are formed between the branch portions 71 so as to open in the direction of the drilling rig and accommodate two rows of drilling rods 50. As shown in FIG. 6, the foot portion 73 of each container 61 is rotatably connected to the outer peripheral portion of the base 62 so that the container 73 can be brought to a lying position (the position shown by a broken line 61 'in FIG. 4). At one time, the container 61 can be arranged radially around the base 62.

Referring to FIG. 6, during assembly, the containers 61 are mounted by placing the feet 73 of each container 61 on a suitable seat 78 secured in pairs to the outer perimeter of the base 62. By inserting the pin 79 into the through hole 76, the hinge can be quickly connected to the base 62.

The base 62 is formed in an appropriate size so that the inner passage 75 as a rod passage remains when the container 61 is in the upright position. A circular hole 82 having a diameter slightly larger than that of the rod 50 is provided at one end 75 a of the passage 75.

The base 62 is located near the drilling rig such that the hole 82 is above the auxiliary well 51.

Referring again to FIG. 4, the jib crane 63 is mounted on the top of the excavation tower 22 and supports the gripping device 81 by a cable. This gripping device 81 can be used to carry individual rods 50 from the container 61 to the auxiliary well 51 or from the auxiliary well 51 to the container 61, and also hangs the top of the container 61 'to level the container 61. Can be used to rise from a standing position to an upright position or to lie on the ground.

Next, the operation of the storage and handling device will be described. First, with the foot 73 placed on the outer edge of the base 62, the container 61 containing the excavation rod 50 is laid on the ground. Then, the foot portion 73 is connected to the base 62 by inserting the pin 79 into the corresponding hole 76. Thus, as shown in FIG. 4, the container 61 can be raised to the operating position by the jib crane 63.

When the container 61 is in the upright position, the front foot 74 of the container 61 is fixed by well-known fixing means (description and illustration are omitted for simplicity). Then, the jib crane 63 operates to move the gripping device 81 to one of the rods 50 stored in the container 61. Thereafter, the rod is gripped and pulled out of the container 61.

As the crane rotates about the drilling tower, the rod 50 is pulled along the passage 75 to its end 75 a, where it is lowered into the auxiliary well 51. From there, the rod 50 is removed by the rotary head 30 'of the drilling rig and moved to a position coaxial with a vertical line passing through the center of the well being drilled, where it is screwed into the already operating drill shaft.

When a drill shaft is removed from a well being drilled, the procedure is reversed. The rods are carried one by one to the auxiliary well 51, and from there to the container 61 by the jib crane 63. When the container 61 is full of rods, the container 61 is laid down horizontally and loaded on a transport vehicle to go to another place.

Referring to FIGS. 7 and 8, reference numeral 83 indicates an entire coupling device for screwing or unscrewing a drilling rod or a tubular casing. The screwing device 83 is attached to a rotary output shaft 84 that rotates integrally with the screwing device 83. Further, a rod holding device 85 is attached to the screwing device 83.

The fixing device 86 is fixed so as to rotate together with the rotary head 30. The fixation device 86 attaches the upper end of the elongated member 50 (drilling rod or casing tube) having a threaded end for screwing into or unscrewing from the remainder of the drill shaft. It is fixed so that it can be released.

The fixing device 86 fixes the uppermost member 50 and rotates quickly together with the rotary head 30 so that, according to the direction of rotation transmitted from the rotary head, the fixing device 86 can be attached to the drill shaft already at a predetermined position in the drilling rig. The member 50 is screwed in, or the member 50 is removed by loosening the screw.

As shown in FIG. 9, the screwing device 83 includes a lower bush 88. The lower bush 88 is vertically slidable along the shaft 84, and is driven by the rotation of the rotary head 30 via the upper bush 89 connected to each other. The lower bush 88 is connected to rotate with the main body 90 of the fixing device 86.

As shown in FIGS. 9, 10, and 11, and particularly FIG. 12, the body 90 forms a conical inner surface 91 that extends downward. A plurality of wedge-shaped blocks 92 are provided adjacent to each other in the circumferential direction so as to be slidable along the conical inner surface 91. Each block 92 has a conical outer surface 93 that contacts the conical inner surface 91 and a cylindrical inner surface 94 that contacts the cylindrical side surface of the head 50 a of the drill shaft member 50.

The wedge-shaped block 92 forms a radial groove 95 slidably connected to a flange portion 96 of another bush 97 provided in the main body 90. The flange 95 is provided with a front seal 98 that appropriately contacts the upper end 50b of the rod or tube 50, as described below.

A guide or groove 99 is formed below the conical outer surface 93 of each wedge-shaped block 92. The guide part 99 is parallel to the conical surfaces 91, 93 with which it engages. Each guide 99 slides over a corresponding key or lock 100 integral with the lower portion of body 90. The key 100 is releasably attached to the entrance of the conical surface 91 so as to protrude radially from an opening formed by the conical surface 91. Each key 100 has an inner surface 101 that is inclined and parallel to the guide or groove 99 of the block 92.

Each wedge-shaped block 92 is connected to an elastic member 102 that pushes the wedge-shaped block 92 downward and outward along the conical surface 91 of the lower main body 90. The elastic member 102 has a piston 103. The piston 103 is slidably received in a corresponding cavity 104 provided in the lower main body 90, and is pushed downward by a spring 105 urged by the main body 90. The lower part 106 of the piston 103 is fixed in the housing 107 of the corresponding wedge-shaped block 92, preferably by a screw connection.

As shown in FIG. 8, the screwing device 83 includes a plurality of hydraulic rams 108 fixed to the lower bush 88 for vertically moving the fixing device 86. As described above, the lower bush 88 is slidable along the shaft 84, but rotates with the shaft 84.

Still referring to FIG. 8, the rod gripping device 85 includes an upper collar 109. The upper collar 109 is attached to the upper bush 89 and is firmly connected to the lower grip 110 for rod holding and guiding by a plurality of vertical arms 111. A handle 112 for opening and closing the collar on the rod (or tube) member 50 is attached to the lower collar 110. The lower collar 110 is mechanically closed to allow the rod to be lifted and held axially due to the difference between the collar 110 and the upper connection box 50a and the rod member beneath the larger diameter upper connection box 50a. Immediately fix 50.

FIGS. 13 and 14 show how a single rod 50 is connected to the uppermost member 50c of the rod string that has already been operated. The rotary head 30 is moved to a handling position by a parallelogram linkage 40-42, where a new rod 50 has already been placed by a jib crane 63. The new rod 50 is secured by a lower collar 110 near its upper end. In this initial state, the ram 108 of the screwing device 83 is in the retracted position, so that the locking device 86 is separated from the new rod without contacting it. From the raised position in FIG. 15, the rotary head is lowered with all the members attached to it until the lower screw connection 50d of the new rod contacts the upper screw connection box 50a of the last rod attached to the string. . Then, the hydraulic ram 108 extends to lower the locking device 86 against the upper end of the upper connecting box of the rod.

The fixing device 86 operates as follows. As shown in FIG. 10, in the free or raised state, the spring 103 causes the piston 103 of the elastic member 102 to wedge downward along the conical surface 91 of the lower body 90. Press block 92. The key 100, in addition to guiding the block 92, serves as a fixed member that determines the lower end of the stroke of the block. In the raised state, the blocks are uniformly spaced circumferentially with respect to the conical surface 101.

In order to screw or unscrew the upper member 50 of the drill shaft, a screwing device 86 is lowered vertically above the upper end 50 a of said member 50 and formed between the blocks 92. In the cavity 113 to be formed. During the lowering operation, the main body 90 is first formed by the flange portion 96 of the bush 97 being in contact with the upper end portion 50b of the rod or tube 50. When the main body 90 is further lowered, the main body 90 is formed by cooperating conical surfaces 93, 91. The conical connection pushes the block 92 radially toward the central axis by sliding the block 92 over the rod or tube 50. During this operation, the groove 95 of the block 92 slides along the flange 96 of the bush 97, so that the flange 96 functions as a guide for the blocks 92 to approach each other. The block 92 is tightened toward the center until it is fixed on the upper part 50a of the member 50.

When this fixing operation is completed, the block 92 tightens the member 50 in the radial direction with a compressive force proportional to the above-mentioned pressing by the downward pressing applied by the fixing device 86.

When the radial pressure required to screw or unscrew is reached, the rotary head is rotated to apply the necessary torque to the rod or tube to screw or unscrew.

Thus, the connection is completed, and the operations of the rotary head and the screwing device 83 are stopped. The rod member 50 is released from the gripping device 85 by using the handle 112. If the rod 50 is directly connected to the shaft 84 to dig a hole having a depth corresponding to the length of the rod to be finally attached, the gripping device 85 and the fixing device 86 can be removed from the rotary head.

As is evident from the arrows shown in FIGS. 13 and 14, the screwing device also allows the rod string to be disassembled by unscrewing. The operation in this case is the reverse of the above.

According to the present invention, in addition to the great effect that the rod strings and the strings of the tubular casing members can be continuously connected accurately, safely and almost automatically, a great advantage is obtained. This also has the effect that a single device can be used for this purpose, and there is no need to replace parts in order to move from the excavation operation to the mounting operation of the tubular casing member.

As a variant of the invention, the well drilling machine may be selectively combined with the rod and casing handling device shown in FIGS.

Referring to FIG. 15, a vertical column 114 is set up on a base 115 which rotates around a vertical axis c. An electro-hydraulic gear case 116 with an associated oil tank and an electric control panel are mounted on the base 115 near the foot of the column. A horizontal thrust bearing 117 coaxial with the shaft c is provided between the rotation base 115 and a fixed plate 118 fixed to the base 119. On the base 119, a lattice container 61 for the excavating rod 50 is fixed around a rotation axis c of the column.

The cabin 120 for the operator is located at about half the height of the column 114.

The slide 121 is slidably mounted vertically along the vertical support 114. The slide 121 supports the horizontal arm 122 so as to be slidable in the horizontal direction. At the end of the arm 122 facing the container 61, a hydraulic gripper 133 for gripping the rod 50 to be handled is attached.

An adjusting device for keeping the rod to be moved in a vertical position, which will be described later, is provided on the lower side of the column 114 and opposite to the operating rod container 61. The adjusting device has an idle roller 123 mounted on the free end of the arm 124. The other end of the arm 124 is rotatably attached to the column 114, so that the arm 124 is rotatable in a vertical plane including the column axis c. A hydraulic cylinder 125 is connected to the arm 124 and the column 114.

A jib crane 63 fixed so as to rotate with the column is attached to the uppermost portion of the column 114. The crane has a rigid arm 126 that pivots about a column about a horizontal pivot 127, and a hydraulic cylinder 128 that pivots about the column about a horizontal pivot 129.

A pulley 130 is attached to the free end of the arm 126, and the cable 18 slides on the pulley 130. A gripper 131 for gripping the upper part of the rod 50 is fixed to one end of the cable 18. The crane 63 has a reel 132 that controls the slide of the cable and controls the vertical movement of the gripping means 131. The crane can serve as an auxiliary means of handling the rod in a conventional manner when the means for moving the hydraulic gripper 133 cannot be used to lift and replace a different load.

In order to remove one rod 50 from one of the lattice containers 61, first the slide 121 is raised along the column 114 and the gripper 133 is sufficient to lift the selected rod from the container. It is arranged at a high height. When performing this step, the slide 121 should not rise completely to the top of its stroke, leaving a small stroke to allow it to still be lifted after grabbing the rod. Thereafter, the arm 122 extends in the radial direction to grip the rod 50 selected by the gripper 133. The horizontal arm 122 is then withdrawn until the shoulder 122 'abuts the post or slide 121. In this position, the lower part of the rod engages the roller 123 and becomes vertical as shown in FIG.

Referring to FIG. 16, the column 114 holding the rod in a suspended state rotates in the direction of arrow B toward the auxiliary well 51. The arm 122 then extends outward (as indicated by arrow C) and positions the rod directly above the auxiliary well 51. At this time, the hydraulic cylinder 125 is extended, and the rod is kept vertical by the roller 123.

Then, the slide 121 is lowered to put the lower part of the rod into the auxiliary well 51. At the top of the auxiliary well, there is provided a vise 135 for fixing the rod vertically. Thereafter, the gripper 133 opens to release the rod. Then, the gripper 133 is retracted toward the support by the horizontal arm 122 being pulled back. At the same time, the cylinder 125 is also pulled back, and the arm 124 and the roller 123 are also brought to the support 114 side.

Finally, the rod 50 taken out by the rotary head of the drilling machine is placed directly above the operating rod string in a drill hole (not shown), and is connected to the rod string by being screwed. Is done.

When the rod string is disassembled and the rods are returned to the container one by one, the reverse operation is performed.

[Brief description of the drawings]

FIG. 1 is a side view of the drilling machine of the present invention in an operating position.

FIG. 2 is an enlarged schematic view showing details of a well drilling machine.

FIG. 3 is an enlarged side view showing another detail of the drilling machine of the present invention.

FIG. 4 is a front view of the rod storage and handling device according to the present invention.

FIG. 5 is a plan view of the rod storage and handling device according to the present invention.

FIG. 6 is an enlarged view showing details of FIG. 4;

FIG. 7 is a side view of the drilling rig including the connecting device and the fixing device of the present invention in a state where the tube for the internal casing of the drill rod or the drill hole is placed and screwed.

FIG. 8 is an enlarged view including a partial cross section of the connecting device and the fixing device of the present invention.

9 is an axially enlarged partial cross-sectional view of the fixing device of FIG. 8;

FIG. 10 is an axial partial sectional view of the fixing device of the present invention.

FIG. 11 is an axial partial sectional view of the fixing device of the present invention in an operation arrangement different from that of FIG. 10;

FIG. 12 is an axially enlarged partial cross-sectional view of the fixing device of FIG. 9;

FIG. 13 is a front view of a fixing device to which a rod string is attached.

FIG. 14 shows a state in a step different from that of FIG. 13;
FIG. 4 is a front view of a fixing device to which a rod string is attached.

FIG. 15 is a front view of the rod and casing handling device of the present invention.

FIG. 16 is a plan view of the rod and casing handling device of the present invention.

[Explanation of symbols]

10: drilling rig, 22: drilling tower, 24: lattice, 2
7 ... pulley, 28 ... cable, 30 ... rotary head.

Claims (11)

[Utility model registration claims] 1. A drilling tower having a rotary head for driving a drilling rod or tubular casing in a combined operation of rotation about a substantially vertical axis and movement along that axis, said drilling tower (22) comprising: It is a telescopic type that can slide along a fixed guide structure or a lattice (24) by the operation of a hydraulic actuator (23).
2) One end is connected to the rotary head (30) so as to form a closed ring around the periphery, and the other end is connected to a predetermined point of the fixed structure (24) and another fixed object, respectively. A well drilling machine comprising a series of pulleys (27, 35) for moving flexible transmission means (28, 34). 2. The rotary head (30) includes a quadrilateral link mechanism (40, 41, 4) rotatably connected thereto.
2) is connected via a rigid frame (31) slidable on the telescoping tower (22), and the quadrilateral link mechanism is connected to the frame (31) and the rotary head (30) respectively. 2 rotatably connected
Two rigid arms (40, 41) and the rigid arms (4
The drilling machine according to claim 1, further comprising a hydraulic piston (42) rotatably connected to one of the first and second frames (0, 41) and the frame (31). 3. The piston (42) has a retracted position where the rotary head (30) is coaxial with the well being drilled, and a different position (30) from the vertical axis of the rotary head when the rotary head (30) is drilled. 3. The drilling machine according to claim 2, wherein the extended position is replaced by (1). 4. The well drilling machine further comprises a device for storing and handling the drilling rod (50), the device comprising a rigid base (62) provided with a plurality of hinge seats (78). ) And corresponding means (76, 79) for quickly making a rotatable connection to the base (62) are provided on the foot (73).
1) and a container (6) in a vertical plane between a substantially vertical operating position and a lying down position for assembly and disassembly.
Means (63, 80, 81) for rotating 1) and lifting means (63, 80) mounted on the excavation tower (22) for removing the rod (50) from the container (61).
80, 81). 5. A jib crane (6) mounted on a drilling tower (22), wherein said lifting and rotating means is
The drilling machine according to claim 4, characterized in that the drilling machine comprises (3) and a gripping device (81) for gripping the rod (50) and the container (61) supported by the cable (80). 6. A container (61) comprising a lattice having a comb-shaped cross section which opens towards the drilling rig and forms a compartment (65) arranged to receive a row of rods (50). The drilling machine according to claim 4, characterized in that: 7. The container (6), wherein the base (62) is a container (6).
1) has an arcuate passage (75) for the passage of a rod (50) provided on the side opposite to the side to which it is rotatably connected, and one end of the passage (75) has a base. (6
A drilling machine according to claim 4, characterized in that a hole (82) is provided through 2), said hole (82) being coaxial with the auxiliary well (51). 8. The drilling machine further comprises a coupling device for screwing or unscrewing a threaded rod or tubular tube member (50), wherein the device comprises the rotary device. One rod or casing member (50) attached to the head (30) and positioned in the axial direction with the already attached member (50c)
And guide means (10) for gripping and guiding
9, 110, 111) and screwing one of the above members into another member already connected in the well being drilled, or unscrewing one of the above members from the other member to remove it. Sometimes a fixing device (8) for releasably fixing one of the above members
6) being attached to the output rotary shaft (84) of the rotary head (30) that is connected to the gripping and guiding means, slides along the rotary shaft (84), and rotates with the shaft. Fixing device (8
6) and a driving means (108) attached to the rotating shaft (84), which acts on the fixing device (86), and the fixing device (86) is connected to the one rod or the casing member (50). A first position retracted upward, axially retracted, and a lower portion (50d) of the one member (50) by the locking device (86) engaging and rotating the one member (50). ) Is a string (50c)
2. A drilling machine according to claim 1, further comprising a drive means (108) adapted to be screwed into the uppermost member of the first member and adopting a second screwing position extending in the axial direction. 9. The gripping and guiding means includes an upper collar (10) mounted on the rotary head.
9), and the upper collar has a plurality of vertical arms (1).
The drilling machine according to claim 8, characterized in that the one member (50) is firmly connected by (11) to a lower collar (110) for gripping and guiding the one member (50). 10. An upper end (50a) of a member (50) which is screwed into a drill shaft in a well being drilled or is unscrewed from the drill shaft. And a lower concave housing (113) suitable for receiving and holding the plurality of blocks (92) on the conical surface (9).
1) forming a generally conical surface (91) which pushes downwardly outwardly for sliding along 1), said blocks being parallel to and cooperating with said conical surface (91). 93) and an inner surface (94) suitable for engaging the upper part of the member (50) to be fixed,
2) a position between any two positions along the conical surface (91), that is, the block (92) is resiliently attached to the lower outer portion of the conical surface (91) by an elastic means (102). The block (92) is slidable between a first release position pressed toward the second position and a second fixed position where the block (92) radially tightens an upper end portion (50a) of the member (50). The drilling machine according to claim 8, wherein 11. The drilling machine further comprises a rod or casing handling device, the device comprising a column (11).
4), and the strut (114) has a vertical axis as a center,
At least one gripping means (133) for releasably gripping one rod or casing member (50);
A vertical slide support means (121) which is vertically slidably mounted on the support and moves the grip means (133) vertically; and a vertical slide support means (12).
1) Horizontal slide support means (122) which is slidably attached to the support and extends and retracts the grip means (133) in the horizontal direction with respect to the support.
And adjusting means (123, 123) attached to the vicinity of the lower part of the support and for adjusting the verticality of the rod or casing member (50) fixed by the grip means (133).
Winding means (124, 125) for moving a cable (18) attached to the vicinity of the upper part of the column and for lifting a lifting means (131) for releasably gripping an upper part of a rod or a casing member (50). The drilling machine according to claim 1, characterized in that it is rotatable integrally while supporting the jib crane (63) provided with (132).