Supporting device of petroleum well drill

Abstract

The utility model discloses a supporting device of a petroleum well drill, which relates to the technical field of well drill bases and comprises a U-shaped bottom rod, a distance adjusting mechanism is mounted on one side of the U-shaped bottom rod, a clamping component is connected onto the distance adjusting mechanism, an L-shaped supporting plate is fixed on the edge side of the upper end face of the U-shaped bottom rod, a rotating component is mounted on the L-shaped supporting plate, and a positioning hole is formed in the L-shaped supporting plate. A supporting assembly is installed at the position, located at the positioning hole, of the upper end face of the L-shaped supporting plate, a limiting mechanism is fixed to the edge side of the lower end face of the L-shaped supporting plate, and walking wheels are installed at the four corners of the lower end face of the U-shaped bottom rod. According to the drilling machine, the distance adjusting mechanism, the clamping assembly and the rotating assembly are used in cooperation, the angle of the drilling machine can be finely adjusted and fixed, a tubular column can be accurately aligned to the drilling position, the supporting assembly and the limiting mechanism are used in cooperation, the tubular column can be supported, and the stability of the whole structure is improved; and therefore, the stability and the accuracy of punching are ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of drilling machine bases, in particular to a supporting device for a petroleum drilling machine. Background Art

[0002] In oil drilling, the drill bit is driven to break rocks, drill underground, and drill a wellbore of a specified depth for oil or gas extraction machines to obtain oil or natural gas. A commonly used oil drilling rig is mainly composed of eight parts, including a power machine, a transmission machine, a working machine and auxiliary equipment. It must have the ability to trip and drill, rotary drilling, and circulate well washing.

[0003] Some existing drilling rig bases are difficult to position stably. During the installation of the oil drilling rig, it is not convenient to adjust the angle of the oil drilling rig, resulting in the inability to align the drilling position with the position of the oil drilling rig. In addition, the stability of the oil drilling rig cannot be guaranteed during drilling, which easily causes the drill rod to deviate and cause inaccurate drilling. Therefore, a support device for the oil drilling rig is now provided. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a supporting device for an oil drilling rig, which can achieve fine-tuning and fixing of the angle of the drilling rig through the coordinated use of a distance adjustment mechanism, a clamping assembly and a rotating assembly, thereby helping to accurately align the pipe string with the drilling position, and through the coordinated use of the supporting assembly and the limiting mechanism, the pipe string can be supported and the stability of the overall structure can be improved, thereby ensuring the stability and accuracy of the drilling, overcoming the deficiencies in the prior art and effectively solving the problem that some existing drilling rig bases are difficult to position stably. During the installation of the oil drilling rig, it is not convenient for the oil drilling rig to adjust the angle, resulting in the inability to align the drilling position with the position of the oil drilling rig, and the stability of the oil drilling rig cannot be guaranteed during drilling, which can easily cause the drill rod to deviate and cause inaccurate drilling.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A supporting device for an oil drilling machine comprises a U-shaped bottom bar, a distance adjustment mechanism is installed on one side of the U-shaped bottom bar, a clamping assembly is connected to the distance adjustment mechanism, an L-shaped support plate is fixed to the side of the upper end surface of the U-shaped bottom bar, a rotating assembly is installed on the L-shaped support plate, a positioning hole is opened on the L-shaped support plate, a supporting assembly is installed on the upper end surface of the L-shaped support plate at the positioning hole, a limiting mechanism is fixed to the side of the lower end surface of the L-shaped support plate, and walking wheels are installed at the four corners of the lower end surface of the U-shaped bottom bar;

[0007] The rotating assembly comprises a first servo motor fixed on the lower end surface of the horizontal section of the L-shaped support plate, and the output end of the first servo motor extends to the top of the L-shaped support plate and is installed with a rotating base.

[0008] Through the above-mentioned scheme, through the coordinated use of the set distance adjustment mechanism, clamping assembly and rotating assembly, the angle of the drilling rig can be fine-tuned and fixed, which helps to accurately align the pipe string with the drilling position. Through the coordinated use of the set supporting assembly and limiting mechanism, the pipe string can be supported and the stability of the overall structure can be improved, thereby ensuring the stability and accuracy of the drilling.

[0009] Preferably, the distance adjustment mechanism includes a bidirectional screw rod rotatably mounted on the inner side of the U-shaped bottom rod through a bearing, a second servo motor is mounted on the outer wall of the U-shaped bottom rod, the output end of the second servo motor extends to the interior of the U-shaped bottom rod and is connected to the end of the bidirectional screw rod, and adjustment blocks are screwed on both ends of the bidirectional screw rod, and one side of the two adjustment blocks is in sliding contact with the interior of the U-shaped bottom rod.

[0010] Preferably, the clamping assembly includes U-shaped frames fixed on both sides of the upper end surface of the U-shaped bottom rod, the middle parts of the two U-shaped frames are rotatably connected to rotating rods, the bottom ends of the two rotating rods are rotatably connected to connecting rods, the top ends of the two rotating rods are rotatably connected to T-shaped clamping blocks, and one end of the two connecting rods is rotatably connected to the two adjustment blocks respectively.

[0011] Preferably, the horizontal section of the L-shaped support plate is provided with a clearance groove above the two connecting rods.

[0012] Preferably, the supporting assembly comprises two first hydraulic push rods which are mounted on the upper end surface of the horizontal section of the L-shaped support plate and located on both sides of the positioning hole, and arc-shaped clamping blocks are connected to opposite ends of the two first hydraulic push rods.

[0013] Preferably, the limiting mechanism comprises two second hydraulic push rods symmetrically fixed on the lower end surface of the L-shaped support plate, and the bottom ends of the two second hydraulic push rods are connected with anchor rods.

[0014] The beneficial effects of the utility model are:

[0015] 1. Fix the drilling machine on the rotating base, and use the second servo motor to drive the bidirectional screw to rotate, so that the bidirectional screw can drive the two adjustment blocks to move away from each other, and use the movement of the two adjustment blocks to drive the two connecting rods to rotate respectively, so that the two connecting rods can drive the two rotating rods to rotate respectively, so that the drilling machine can be clamped by two T-type clamps, and the first servo motor can drive the rotating base to drive the drilling machine to rotate, so as to achieve fine adjustment of the angle of the drilling machine, which is helpful to accurately align the pipe string with the drilling position.

[0016] 2. Use the two second hydraulic push rods to push the two anchor rods respectively so that the two anchor rods are inserted into the ground. When the drilling rig is lowering the pipe, the pipe string passes through the positioning hole, and the two first hydraulic push rods are used to push the two arc-shaped clamps closer to each other. The two arc-shaped clamps are used to support the pipe string to avoid shaking and ensure the stability of drilling.

[0017] To sum up, through the coordinated use of the set distance adjustment mechanism, clamping assembly and rotating assembly, the angle of the drilling rig can be fine-tuned and fixed, which helps to accurately align the pipe string with the drilling position. Through the coordinated use of the set supporting assembly and limiting mechanism, the pipe string can be supported and the stability of the overall structure can be improved, thereby ensuring the stability and accuracy of the drilling. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the three-dimensional structure from a first perspective of a supporting device for an oil drilling rig proposed by the utility model.

[0019] Figure 2 This is a schematic diagram of the third perspective structure of a supporting device for an oil drilling rig proposed by the utility model.

[0020] Figure 3 A supporting device for an oil drilling rig proposed by the utility model Figure 1 Enlarged structural diagram at A in the middle.

[0021] In the figure: 1. U-shaped bottom rod; 2. second servo motor; 3. positioning hole; 4. U-shaped frame; 5. rotating rod; 6. T-shaped clamping block; 7. rotating base; 8. L-shaped support plate; 9. clearance groove; 10. first hydraulic push rod; 11. second hydraulic push rod; 12. arc clamping block; 13. anchor rod; 14. walking wheel; 15. bidirectional screw; 16. adjustment block; 17. first servo motor. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] Example 1, reference Figure 1-3 A supporting device for an oil drilling machine comprises a U-shaped bottom bar 1, and walking wheels 14 are installed at the four corners of the lower end surface of the U-shaped bottom bar 1. A distance adjustment mechanism is installed on one side of the U-shaped bottom bar 1, and a clamping component is connected to the distance adjustment mechanism. An L-shaped support plate 8 is fixed to the side of the upper end surface of the U-shaped bottom bar 1, and a rotating component is installed on the L-shaped support plate 8. A positioning hole 3 is opened on the L-shaped support plate 8;

[0024] The rotating assembly includes a first servo motor 17 fixed to the lower end surface of the horizontal section of the L-shaped support plate 8, and the output end of the first servo motor 17 extends to the top of the L-shaped support plate 8 and is installed with a rotating base 7;

[0025] The rotating base 7 is used to place the drilling machine. The first servo motor 17 is used to drive the rotating base 7 to drive the drilling machine to rotate, so as to achieve fine adjustment of the angle of the drilling machine.

[0026] The pitch adjustment mechanism includes a bidirectional screw 15 rotatably mounted on the inner side of the U-shaped bottom bar 1 through a bearing, a second servo motor 2 is mounted on the outer wall of the U-shaped bottom bar 1, an output end of the second servo motor 2 extends to the inside of the U-shaped bottom bar 1 and is connected to the end of the bidirectional screw 15, and both ends of the bidirectional screw 15 are screwed with adjustment blocks 16, and one side of the two adjustment blocks 16 is in sliding contact with the inside of the U-shaped bottom bar 1;

[0027] The bidirectional screw 15 is driven to rotate by the second servo motor 2, so that the bidirectional screw 15 can drive the two adjustment blocks 16 to move closer to or away from each other;

[0028] The clamping assembly includes a U-shaped frame 4 fixed on both sides of the upper end surface of the U-shaped bottom rod 1, the middle parts of the two U-shaped frames 4 are rotatably connected with a rotating rod 5, the bottom ends of the two rotating rods 5 are rotatably connected with a connecting rod 19, the top ends of the two rotating rods 5 are rotatably connected with a T-shaped clamping block 6, and one end of the two connecting rods 19 is rotatably connected to the two adjustment blocks 16 respectively.

[0029] The two adjusting blocks 16 are used to move to drive the two connecting rods 19 to rotate respectively, thereby the two connecting rods 19 are used to drive the two rotating rods 5 to rotate respectively, so that the drilling machine can be clamped by the two T-shaped clamping blocks 6;

[0030] The horizontal section of the L-shaped support plate 8 is located above the two connecting rods 19 and is provided with a clearance groove 9. When the connecting rod 19 rotates, it can enter the clearance groove 9 to prevent the L-shaped support plate 8 from blocking the connecting rod 19.

[0031] A supporting assembly is installed on the upper end surface of the L-shaped support plate 8 at the positioning hole 3. The supporting assembly includes two first hydraulic push rods 10 installed on the upper end surface of the horizontal section of the L-shaped support plate 8 and located on both sides of the positioning hole 3. The opposite ends of the two first hydraulic push rods 10 are connected to arc-shaped clamping blocks 12.

[0032] When the drilling rig is lowering the pipe, the pipe string passes through the positioning hole 3, and the two first hydraulic push rods 10 are used to push the two arc-shaped clamping blocks 12 closer to each other, and the two arc-shaped clamping blocks 12 are used to support the pipe string to prevent shaking;

[0033] A limiting mechanism is fixed to the side of the lower end surface of the L-shaped support plate 8, and the limiting mechanism includes two second hydraulic push rods 11 symmetrically fixed to the lower end surface of the L-shaped support plate 8, and the bottom ends of the two second hydraulic push rods 11 are connected to anchor rods 13;

[0034] Before the pipe is lowered, two second hydraulic push rods 11 are used to push the two anchor rods 13 respectively, so that the two anchor rods 13 are inserted into the ground, which helps to improve the stability of the overall structure.

[0035] Working principle: Move the U-shaped bottom rod 1 to the drilling position, and use the two second hydraulic push rods 11 to push the two anchor rods 13 respectively, so that the two anchor rods 13 are inserted into the ground, which helps to improve the stability of the overall structure. Fix the drilling rig on the rotating base 7, and use the second servo motor 2 to drive the bidirectional screw 15 to rotate, so that the bidirectional screw 15 can drive the two adjustment blocks 16 to move away from each other. The movement of the two adjustment blocks 16 can respectively drive the two connecting rods 19 to rotate, so that the two connecting rods 19 can respectively drive the two rotating rods 5 to rotate, so that the drilling rig can be clamped by two T-shaped clamps 6. The first servo motor 17 drives the rotating base 7 to drive the drilling rig to rotate, so as to achieve fine adjustment of the angle of the drilling rig. When the drilling rig is lowering the pipe, the pipe column passes through the positioning hole 3, and the two first hydraulic push rods 10 are used to push the two arc clamps 12 closer to each other, and the two arc clamps 12 are used to support the pipe column to prevent shaking.

[0036] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.

Claims

1. A support device for an oil drilling rig, comprising a U-shaped bottom bar (1), characterized in that: A distance adjustment mechanism is installed on one side of the U-shaped bottom bar (1), and a clamping assembly is connected to the distance adjustment mechanism. An L-shaped support plate (8) is fixed to the side of the upper end surface of the U-shaped bottom bar (1), and a rotating assembly is installed on the L-shaped support plate (8). A positioning hole (3) is opened on the L-shaped support plate (8), and a supporting assembly is installed on the upper end surface of the L-shaped support plate (8) at the positioning hole (3). A limiting mechanism is fixed to the side of the lower end surface of the L-shaped support plate (8), and walking wheels (14) are installed at the four corners of the lower end surface of the U-shaped bottom bar (1); The rotating assembly comprises a first servo motor (17) fixed to the lower end surface of the horizontal section of the L-shaped support plate (8), the output end of the first servo motor (17) extending to the top of the L-shaped support plate (8) and being mounted with a rotating base (7).

2. A supporting device for an oil drilling rig according to claim 1, characterized in that: The pitch adjustment mechanism comprises a bidirectional screw (15) rotatably mounted on the inner side of a U-shaped bottom bar (1) via a bearing, a second servo motor (2) is mounted on the outer wall of the U-shaped bottom bar (1), an output end of the second servo motor (2) extends to the inside of the U-shaped bottom bar (1) and is connected to the end of the bidirectional screw (15), both ends of the bidirectional screw (15) are screwed with adjustment blocks (16), and one side of the two adjustment blocks (16) is in sliding contact with the inside of the U-shaped bottom bar (1).

3. The supporting device for a petroleum drilling machine according to claim 1, characterized in that: The clamping assembly comprises U-shaped frames (4) fixed on both sides of the upper end surface of the U-shaped bottom rod (1), the middle parts of the two U-shaped frames (4) are rotatably connected to rotating rods (5), the bottom ends of the two rotating rods (5) are rotatably connected to connecting rods (19), the top ends of the two rotating rods (5) are rotatably connected to T-shaped clamping blocks (6), and one end of the two connecting rods (19) is rotatably connected to two adjustment blocks (16) respectively.

4. A supporting device for a petroleum drilling machine according to claim 3, characterized in that: The horizontal section of the L-shaped support plate (8) is located above the two connecting rods (19) and is provided with a clearance groove (9).

5. The supporting device for a petroleum drilling machine according to claim 1, characterized in that: The supporting assembly comprises two first hydraulic push rods (10) mounted on the upper end surface of the horizontal section of the L-shaped support plate (8) and located on both sides of the positioning hole (3), and the opposite ends of the two first hydraulic push rods (10) are connected to arc-shaped clamping blocks (12).

6. The supporting device for a petroleum drilling machine according to claim 1, characterized in that: The limiting mechanism comprises two second hydraulic push rods (11) symmetrically fixed on the lower end surface of the L-shaped support plate (8), and the bottom ends of the two second hydraulic push rods (11) are connected to anchor rods (13).

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