Connecting rod clamp holder for semi-automatic directional drilling machine

Abstract

The utility model relates to the technical field of directional drilling machines, in particular to a connecting rod clamping device for a semi-automatic directional drilling machine, which comprises a mounting seat slidably mounted on a drill rod carriage, side plates are fixedly mounted on two sides of the mounting seat, clamping block seats are fixedly mounted in the side plates, clamping ports are arranged in the clamping block seats, and clamping holes are formed in the clamping block seats. A gasket is slidably mounted in the clamping opening; two sets of frame plates are movably mounted on the mounting base, notches for allowing a drill rod to penetrate through are formed in the two sets of frame plates, the frame plates abut against the side plates, two sets of hydraulic cylinders are fixedly mounted in the two adjacent sets of frame plates, and the output ends of the hydraulic cylinders are fixedly connected with slips. And when a drilling machine normally drills, the hydraulic cylinder releases the acting force on the slips, and the outer part of the drill rod is always positioned in the clamping port and the gasket for rotating contact, so that the abrasion between the extension rod holder and the drill rod is reduced, the clamping force is ensured, and the indentation on the surface of the drill rod is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to directional drilling rig technical field especially relates to a half -automatic directional drilling rig is with the joint bar holder. BACKGROUND

[0002] Directional drilling rig is a kind of special equipment for implementing directional drilling, is connected or disassembled between multiple drill rods by power head to drive drill rod to carry out non-vertical drilling, makes drill bit tilt or horizontal drilling according to preset path, when rig operation, due to the different drilling depth, need to be through joint bar holder steady clamping in the process of drill rod, and joint bar holder moves on rig carriage.

[0003] In the prior art, the patent with the announcement number CN211819275U discloses a kind of clamps for horizontal directional drilling pipe-laying rig, including bottom plate, the middle part of bottom plate upper surface left and right sides is fixedly connected with push rod motor, the output end of push rod motor is fixedly connected with clamping box, the middle part of the outer side of clamping box is provided with clamping device, the four corners of bottom plate upper surface are all screw-connected with fixed pin, the upper surface of bottom plate is fixedly connected with protection box, the left side of the upper surface of clamping box is hinged with cover plate by hinge, the middle part of the upper surface right side of cover plate is fixedly connected with opening and closing handle, the middle part of the lower surface front and back sides of cover plate is fixedly connected with upper layer block.

[0004] The above structure improves the effect of positioning clamping device clamping drill rod, but when clamping device moves on rig carriage, there is abrasion between clamping device and drill rod, cannot guarantee clamping force, also reduce the indentation on the surface of drill rod. UTILITY MODEL CONTENT

[0005] Therefore, the utility model aims at providing a kind of joint bar holder for half -automatic directional drilling rig to solve the problem that there is abrasion between clamping device and drill rod when clamping device moves on rig carriage, cannot guarantee clamping force, also reduce the indentation on the surface of drill rod.

[0006] Based on the above purpose, the utility model provides a kind of half-automatic directional drilling rig with connecting rod holder, including the installation seat of sliding installation on drill rod slide, both sides of the installation seat are fixedly installed with side plate, the inside fixed mounting of side plate has clamping block seat, the inside of clamping block seat is equipped with the adapter interface, the inside sliding installation of adapter interface has gasket;Two groups of frame plates are movably installed on the installation seat, and the top of adjacent two groups of frame plates is fixedly installed with cover plate, and the inside of two groups of frame plates is equipped with the slot for accommodating drill rod, and the slot is connected with the adapter interface, and the frame plate is abutted with side plate, and the inside of adjacent two groups of frame plates is fixedly installed with two groups of hydraulic cylinders, and the output end of hydraulic cylinder is fixedly connected with slip, and the slip is located in adapter interface;The end of adjacent two groups of frame plates is fixedly installed with middle shaft, and the outside of middle shaft is sleeved with connecting sleeve, and one end of installation seat is fixedly installed with unhooking oil cylinder, and the output end of unhooking oil cylinder is connected with the bottom end of connecting sleeve.

[0007] Preferably, the adapter interface is provided with U-shaped structure, and the opening height of the adapter interface is higher than the opening height of the slot.

[0008] Preferably, the clamping block seat is mirror image distributed on both sides of the cover plate, and the curvature of the gasket is matched with the curvature of the adapter interface.

[0009] Preferably, the two slips are mirror-symmetrically arranged with the center of the slot as reference, and the slip is of arc-shaped structure.

[0010] Preferably, the bottom end of the gasket is provided with lubricating grease, and the two sides of the gasket are chamfered.

[0011] Preferably, the bottom of the installation seat is provided with an I-shaped sliding hole corresponding to the slide.

[0012] The utility model has the advantages that:

[0013] The connecting rod holder is driven by external drive to move outside the drill rod slide, and the whole is pushed forward, the slip is driven by the hydraulic cylinder to move inward at the same time, the slip in the slot clamps the two groups of drill rods to be connected, and after clamping, the extended drill rod is connected with the drill rod of the drill machine by rotating the power head in the drill machine, and then the installation seat is pulled back to the original position by external drive; During the movement of the installation seat, and when the drill machine is normally drilling, the hydraulic cylinder releases the force on the slip, and the drill rod is always located in the adapter interface and the gasket for rotating contact, so as to reduce the wear between the connecting rod holder and the drill rod, and the whole can not only ensure the clamping force, but also reduce the indentation on the surface of the drill rod. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings described below only belong to the present application, and other drawings can also be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0015] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0016] Figure 2 It is a schematic diagram of the overall structure of the present application;

[0017] Figure 3 It is a schematic diagram of the overall structure of the present application and the assembly structure of the drilling machine carriage;

[0018] Figure 4 It is a schematic diagram of the overall structure of the present application.

[0019] In the figure, the marks are: 1, mounting seat; 2, side plate; 3, clamping block seat; 4, gasket; 5, frame plate; 6, hydraulic cylinder; 7, slip; 8, cover plate; 9, middle shaft; 10, connecting sleeve; 11, unloading buckle cylinder; 12, slot; 13, clamping interface; 14, carriage; 15, power head. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the present application more clear, the following will further describe the present application in detail with specific embodiments.

[0021] As Figure 1 , Figure 2 , Figure 3 and Figure 4 shown, a kind of semi-automatic directional drilling machine with connecting rod holder, including slidingly installed on drill rod carriage 14 mounting seat 1, both sides of mounting seat 1 are fixedly installed with side plate 2, side plate 2 is fixedly installed with clamping block seat 3 in the inside, clamping block seat 3 is equipped with clamping interface 13 in the inside, clamping interface 13 is slidably installed with gasket 4 in the inside;

[0022] Two groups of frame plates 5 are movably installed on mounting seat 1, the top of adjacent two groups of frame plates 5 is fixedly installed with cover plate 8, and the inside of two groups of frame plates 5 is equipped with slot 12 for accommodating drill rod, slot 12 is communicated with clamping interface 13, frame plate 5 is abutted with side plate 2, the inside of adjacent two groups of frame plates 5 is fixedly installed with two groups of hydraulic cylinders 6, the output end of hydraulic cylinder 6 is fixedly connected with slip 7, and slip 7 is located in clamping interface 13;

[0023] The end of the two adjacent groups of frame plates 5 is fixedly installed with a middle shaft 9, the outer part of the middle shaft 9 is sleeved with a connecting sleeve 10, one end of the mounting seat 1 is fixedly installed with an unbuckling oil cylinder 11, the output end of the unbuckling oil cylinder 11 is connected with the bottom end of the connecting sleeve 10.

[0024] In the embodiment, the mounting seat 1 is driven by the external drive to move outside the drill rod carriage 14, the mounting seat 1 is pushed forward as a whole, the slips 7 in the slots 12 are clamped between the two groups of drill rods to be connected, the extended drill rod is connected with the drill rod of the drill machine through the rotation of the power head 15 in the drill machine, and then the mounting seat 1 is pulled back to the original position by the external drive; in the process of moving of the mounting seat 1, when the drill machine is normally drilling, the hydraulic cylinder 6 releases the force on the slips 7, and the outer part of the drill rod is always in rotating contact in the clamping interface 13 and the gasket 4, so that the abrasion between the connecting rod clamp and the drill rod is reduced.

[0025] As an embodiment, as shown in Figure 1 , Figure 2 and Figure 3 , the clamping interface 13 is provided in a U-shaped structure, and the opening height of the clamping interface 13 is higher than the opening height of the slot 12.

[0026] In the embodiment, since the height of the clamping interface 13 is greater than the height of the slot 12, the drill rod is always located in the clamping interface 13 in the clamp block seat 3 when the mounting seat 1 moves, and the outer part of the drill rod is in contact with the gasket 4, so that the stress is evenly distributed.

[0027] As an embodiment, as shown in Figure 1 , the clamp block seats 3 are mirror-imaged distributed on both sides of the cover plate 8, and the curvature of the gasket 4 is matched with the curvature of the clamping interface 13.

[0028] In the embodiment, the drill rod is guided by the clamp block seats 3 on both sides, and the curvature of the clamping interface 13 is matched with the curvature of the gasket 4, so that the outer part of the drill rod is always in rotating contact in the clamping interface 13 and the gasket 4 when the power head 15 drives the drill rod to rotate, so that the stress is evenly distributed and local stress concentration is avoided.

[0029] As an embodiment, as shown in Figure 1 , the two groups of slips 7 are mirror-imaged symmetrically arranged with the center of the slot 12 as the reference, and the slip 7 is in an arc-shaped structure.

[0030] In this embodiment, the mounting seat 1 is driven by an external drive to move outside the drill pipe carriage 14, the mounting seat 1 is pushed forward as a whole, the arc-shaped slips 7 are driven by the hydraulic cylinder 6 to move inward at the same time, the slips 7 in the notch 12 clamp the two groups of drill pipes to be connected, reduce the damage to the surface of the drill pipe caused by clamping, and after clamping, the extended drill pipe is connected with the drill pipe of the drilling machine through the power head 15 of the drilling machine to ensure stable clamping.

[0031] As an embodiment, as shown in Figure 1 The bottom end of the gasket 4 is provided with lubricating grease, and the two sides of the gasket 4 are chamfered.

[0032] In this embodiment, through the lubricating grease at the bottom of the gasket 4, when the drilling machine is normally drilling, the hydraulic cylinder 6 releases the force on the slips 7, the drill pipe is located in the clamping port 13 in the clamp block seat 3, the lubrication is moved in the clamping port 13, the vibration impact of the drill pipe is absorbed, and the friction coefficient is reduced.

[0033] After the chamfer is set, when the clamping device is reset after the slips 7 in the notch 12 clamp the two groups of drill pipes to be connected, the chamfer facilitates the whole drill pipe to enter the clamping device.

[0034] As an embodiment, as shown in Figure 1 and Figure 3 The bottom of the mounting seat 1 is provided with a H-shaped sliding hole corresponding to the carriage 14.

[0035] In this embodiment, the H-shaped sliding hole ensures the stability of the mounting seat 1 when it is driven by an external drive to move outside the drill pipe carriage 14, the clamping device is designed as an active sliding type, the idle space on the drill pipe carriage 14 is fully utilized, and one action is saved for the work of the mechanical arm, and the working space of the whole drilling machine is further reduced.

[0036] Working principle: the mounting base 1 is driven by external drive to move outside the drill rod slide 14, the mounting base 1 is pushed forward as a whole, the slips 7 in the slot 12 are clamped between the two groups of drill rods to be connected, and the extended drill rod is connected with the drill rod of the drill machine through the power head 15 in the drill machine after clamping; the mounting base 1 is pulled back to the original position by external drive, in the process of moving the mounting base 1, the drill rod slides on the gasket 4 in the clamping block seat 3 when the mounting base 1 moves, so that the wear between the clamp and the drill rod is reduced, when the drill machine normally drills, the hydraulic cylinder 6 releases the force on the slips 7, at this time, the drill rod is located in the slot 12 and the clamping interface 13, because the height of the clamping interface 13 is greater than the height of the slot 12, the drill rod is located in the clamping interface 13 in the clamping block seat 3, the power head 15 drives a plurality of drill rods to rotate at the same time, the drill rod is in contact with the clamping interface 13 in the clamping block seat 3 and the gasket 4, the whole ensures the clamping force and reduces the indentation on the surface of the drill rod; when the rod needs to be removed, the drill rod is clamped by the slips 7 of the hydraulic cylinder 6, and the power head 15 is limited at the same time, the central shaft 9 in the connecting sleeve 10 is driven downward by the unloading cylinder 11, the frame plate 5 is swung on the mounting base 1 by the central shaft 9, and then the drill rod is rotated and unloading, so that the adjacent drill rods are removed.

[0037] Those skilled in the art will understand that the discussion of any of the above embodiments is merely exemplary, and is not intended to limit the scope of the present application (including claims) to these examples; under the idea of the present application, the above embodiments or technical features in different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes of different aspects of the present application as described above, which are not provided in details for the sake of brevity.

[0038] The present application is intended to cover all such alternatives, modifications, and variations as fall within the broad scope of the appended claims. Accordingly, any and all such alternatives, modifications, equivalents, improvements and the like are intended to be encompassed by the present application.

Claims

1. A rod holder for a semi-automatic directional drilling rig, comprising a mounting base (1) slidably mounted on a drill rod slide (14), characterized in that, Side plates (2) are fixedly installed on both sides of the mounting base (1). A clamping block seat (3) is fixedly installed inside the side plate (2). A locking interface (13) is opened inside the clamping block seat (3). A pad (4) is slidably installed inside the locking interface (13). Two sets of frame plates (5) are movably installed on the mounting base (1). A cover plate (8) is fixedly installed on the top of the two adjacent sets of frame plates (5). The two sets of frame plates (5) have slots (12) for accommodating drill rods through. The slots (12) are connected to the locking interface (13). The frame plate (5) abuts against the side plate (2). Two sets of hydraulic cylinders (6) are fixedly installed inside the two adjacent sets of frame plates (5). The output end of the hydraulic cylinder (6) is fixedly connected to a slip (7). The slip (7) is located inside the clamping interface (13). The ends of the two adjacent sets of frame plates (5) are fixedly installed with a central shaft (9). A connecting sleeve (10) is sleeved on the outside of the central shaft (9). One end of the mounting base (1) is fixedly installed with a shackle cylinder (11). The output end of the shackle cylinder (11) is connected to the bottom end of the connecting sleeve (10).

2. The rod holder for a semi-automatic directional drilling rig according to claim 1, characterized in that, The card interface (13) is U-shaped, and the opening height of the card interface (13) is higher than the opening height of the slot (12).

3. The rod holder for a semi-automatic directional drilling rig according to claim 1, characterized in that, The clamping block seat (3) is mirror-distributed on both sides of the cover plate (8), and the curvature of the pad (4) is adapted to the curvature of the card interface (13).

4. The rod holder for a semi-automatic directional drilling rig according to claim 1, characterized in that, The two sets of slips (7) are arranged in a mirror symmetrical manner with reference to the center of the slot (12), and the slips (7) are arc-shaped structures.

5. A rod holder for a semi-automatic directional drilling rig according to claim 1, characterized in that, The bottom of the pad (4) is provided with grease, and the two sides of the pad (4) are chamfered.

6. A rod holder for a semi-automatic directional drilling rig according to claim 1, characterized in that, The bottom of the mounting base (1) is provided with an I-shaped sliding hole corresponding to the slide (14).

Images