A large water course drill pipe positioning device

Abstract

The utility model relates to positioning device technical field, and disclose a big water eye drill rod positioning device, include: annular seat is provided with positioning assembly and adjusting assembly on the annular seat, the bottom surface fixed mounting of annular seat has the bottom column, and the bottom column is equipped with four together, positioning assembly includes the sliding seat of sliding setting in annular seat, and the sub gear shaft and main gear shaft of rotation setting in the inside of annular seat. This big water eye drill rod positioning device, through setting positioning assembly on annular seat, and the size of the circular structure formed by arc plate in positioning assembly can be flexibly adjusted, to adapt to different diameter big water eye drill rod, three arc plate form circular structure can guarantee the coaxial degree of drill pipe and annular seat, so before drilling operation, first place annular seat in the position of drilling, drill pipe can pass through arc plate and annular seat in turn and carry out drilling operation, to simplify the positioning step of drill pipe.

Description

TECHNICAL FIELD

[0001] The utility model relates to positioning device technical field, concretely is a big water eye drill rod positioning device. BACKGROUND

[0002] Big water eye drill rod, its characterized in being with big water eye, mainly used in the well drilling operation of oil, natural gas and other mineral resources.

[0003] And in actual well drilling operation, rotary drilling rig drill rod is not easy to position, and the actual positioning step is more complicated, and different size big water eye drill rod is also used for drilling operation, but the traditional auxiliary structure cannot be adjusted in time, and the practicality is poor, which is not conducive to the use of actual different application scenarios, therefore we provide a big water eye drill rod positioning device. UTILITY MODEL CONTENT

[0004] In view of the deficiency of prior art, the utility model provides a big water eye drill rod positioning device, solves the problem mentioned in the above background.

[0005] The utility model provides following technical scheme: a big water eye drill rod positioning device, include: annular seat is provided with positioning assembly and adjusting assembly on the annular seat, the bottom surface fixed mounting of annular seat has bottom column, and bottom column is equipped with four, positioning assembly includes the slide that sets up on the slide of annular seat, and the auxiliary gear shaft and main gear shaft of rotation setting in the interior of annular seat, the upper surface fixed mounting of slide has the support column, the upper end fixed mounting of support column has arc plate, the inner surface movable arrangement of arc plate has movable ball, one end fixed mounting of auxiliary gear shaft has screw rod, and the other end fixed mounting of auxiliary gear shaft has auxiliary bevel gear, the upper and lower ends of main gear shaft are fixed mounting main bevel gear and transmission gear respectively, adjusting assembly includes fixed installation in the outer surface of annular seat fixed friction ring, and the annular gear located below fixed friction ring, the upper surface fixed mounting of annular gear has ring body, adjusting assembly still includes the auxiliary bearing for realizing the rotary connection between ring body and annular seat, the upper end fixed mounting of slide rod of ring body sliding connection has slide rod, the upper end fixed mounting of slide rod has dynamic friction ring, the lower surface fixed mounting of dynamic friction ring has return spring, the lower end of return spring is fixedly connected with ring body, the outer surface fixed mounting of dynamic friction ring has knob.

[0006] Preferably, the annular seat is provided with a sliding groove for accommodating the slide, and the threaded rod is located in the sliding groove and is threadedly connected with the slide.

[0007] Preferably, the auxiliary bevel gear and the main bevel gear are located in the internal cavity of the annular seat, and the auxiliary bevel gear and the main bevel gear are in meshing transmission connection.

[0008] Preferably, the three arc-shaped plates are arranged at a same distance from the center of the annular seat.

[0009] Preferably, the number of the transmission gears is the same as that of the arc-shaped plates, and the three transmission gears are all connected with the ring gear.

[0010] Preferably, the annular body and the ring gear are both provided with auxiliary holes for sliding connection with the slide rod.

[0011] Preferably, the dynamic friction ring is located below the fixed friction ring, and the upper surface of the dynamic friction ring is provided with friction lines for enhancing the friction between the dynamic friction ring and the fixed friction ring.

[0012] Preferably, the knob is also located below the fixed friction ring, and the outer surface of the knob is provided with anti-skid lines.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. The large water hole drill rod positioning device is characterized in that the positioning assembly is arranged on the annular seat, and the size of the circular structure formed by the arc-shaped plates in the positioning assembly can be flexibly adjusted to adapt to large water hole drill rods with different diameters, and the coaxiality of the drill rod and the annular seat can be ensured by the circular structure formed by the three arc-shaped plates, so that before drilling, the annular seat is placed at the position to be drilled, and the drill rod can sequentially pass through the arc-shaped plates and the annular seat for drilling, so that the positioning step of the drill rod is simplified.

[0015] 2. The large water hole drill rod positioning device is characterized in that the adjusting assembly is arranged on the annular seat, so that the user can adjust the positions of the three arc-shaped plates by using the components in the adjusting assembly, thereby further simplifying the operation steps of the overall device, improving the actual use efficiency, and forming a certain friction between the dynamic friction ring and the fixed friction ring in the adjusting assembly, so that the state of the arc-shaped plates and other structures can be locked under the limitation of the friction, thereby further improving the stability of the overall device and ensuring the positioning effect of the overall device. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a schematic view of the overall structure of the utility model;

[0017] Figure 2 It is a top view of the overall structure of the utility model;

[0018] Figure 3 It is a sectional view of the annular seat structure of the utility model;

[0019] Figure 4 It is an exploded view of the dynamic friction ring structure of the utility model;

[0020] Figure 5 It isFigure 4 Structure enlarged schematic view at middle A.

[0021] In the figure: 1, annular seat; 11, bottom column; 2, positioning assembly; 21, arc plate; 22, movable ball; 23, support column; 24, sliding seat; 25, threaded rod; 26, auxiliary gear shaft; 27, auxiliary bevel gear; 28, main bevel gear; 29, main gear shaft; 210, transmission gear; 3, adjusting assembly; 31, knob; 32, ring gear; 33, ring body; 34, auxiliary bearing; 35, sliding rod; 36, return spring; 37, movable friction ring; 38, fixed friction ring. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Please refer to Figures 1-5 A large water eye drill rod positioning device, comprising: an annular seat 1, the annular seat 1 is provided with a positioning assembly 2 and an adjusting assembly 3, the bottom surface of the annular seat 1 is fixedly installed with four bottom columns 11, to ensure the stability of the annular seat 1.

[0024] The positioning assembly 2 comprises a sliding seat 24 slidingly arranged on the annular seat 1, an auxiliary gear shaft 26 and a main gear shaft 29 rotatably arranged inside the annular seat 1, the upper surface of the sliding seat 24 is fixedly installed with a support column 23, the upper end of the support column 23 is fixedly installed with an arc plate 21, the inner surface of the arc plate 21 is movably provided with a movable ball 22, one end of the auxiliary gear shaft 26 is fixedly installed with a threaded rod 25, the other end of the auxiliary gear shaft 26 is fixedly installed with an auxiliary bevel gear 27, the upper and lower ends of the main gear shaft 29 are respectively fixedly installed with a main bevel gear 28 and a transmission gear 210; a sliding groove for accommodating the sliding seat 24 is formed on the annular seat 1, the threaded rod 25 is located inside the sliding groove, and the threaded rod 25 is also threadedly connected with the sliding seat 24, the auxiliary bevel gear 27 and the main bevel gear 28 are located at the internal cavity of the annular seat 1, and the auxiliary bevel gear 27 and the main bevel gear 28 are in meshing transmission connection, the arc plate 21 is provided with three, the distance between the three arc plates 21 and the center of the annular seat 1 is consistent, so that the establishment of the three arc plates 21 can maintain the coaxiality between the large water eye drill rod and the annular seat 1, and the actual positioning requirement is achieved.

[0025] The adjusting assembly 3 comprises a fixed friction ring 38 fixedly installed on the outer surface of the annular seat 1, and an annular gear 32 located below the fixed friction ring 38, the upper surface of the annular gear 32 is fixedly installed with a ring body 33, the adjusting assembly 3 further comprises an auxiliary bearing 34 for realizing the rotary connection between the ring body 33 and the annular seat 1, the ring body 33 is slidably connected with a sliding rod 35, the upper end of the sliding rod 35 is fixedly installed with a movable friction ring 37, the lower surface of the movable friction ring 37 is fixedly installed with a return spring 36, the lower end of the return spring 36 is fixedly connected with the ring body 33, the outer surface of the movable friction ring 37 is fixedly installed with a knob 31, the number of the transmission gears 210 is consistent with the number of the arc-shaped plates 21, and the three transmission gears 210 are all in meshing connection with the annular gear 32, so that the positions of the three arc-shaped plates 21 can be synchronously adjusted to meet the requirements of different application scenarios, the ring body 33 and the annular gear 32 are both provided with auxiliary holes for realizing the sliding connection with the sliding rod 35, the movable friction ring 37 is located below the fixed friction ring 38, and the upper surface of the movable friction ring 37 is provided with friction lines for enhancing the friction between the movable friction ring 37 and the fixed friction ring 38, the knob 31 is also located below the fixed friction ring 38, and the outer surface of the knob 31 is provided with anti-skid lines, which is convenient for actual operation.

[0026] The working principle is that because the arc-shaped plate 21 is fixed at the upper end of the support 23, the lower end of the support 23 is fixed with a sliding seat 24 in sliding connection with the annular seat 1, and the inner surface of the arc-shaped plate 21 is movably provided with the movable rolling ball 22, therefore, before drilling, the annular seat 1 is moved to the position to be drilled, then the large water hole drill rod is sequentially inserted through the arc-shaped plate 21 and the inner hole of the annular seat 1, and the movable rolling ball 22 is arranged between the arc-shaped plate 21 and the large water hole drill rod to enable the drill rod to be movable, and drilling is completed; and for the large water hole drill rod with different diameters: first, the knob 31 is pressed downward, the movable friction ring 37 fixedly connected with the knob 31 is synchronously moved downward, so that the movable friction ring 37 and the fixed friction ring 38 fixed on the annular seat 1 are spaced apart, and because the slide rod 35 fixed on the bottom surface of the movable friction ring 37 is also in sliding connection with the ring body 33 and the annular gear 32, and the ring body 33 is rotatably connected with the annular seat 1 through the auxiliary bearing 34, when the knob 31 is pressed downward, the movable friction ring 37 and the fixed friction ring 38 are spaced apart, after the knob 31 is rotated, the ring body 33 and the annular gear 32 are synchronously rotated on the annular seat 1, and the auxiliary gear shaft 26 arranged inside the annular seat 1 is rotated with the main gear shaft 29, the two ends of the auxiliary gear shaft 26 are fixedly connected with the threaded rod 25 and the auxiliary bevel gear 27, the two ends of the main gear shaft 29 are fixedly connected with the main bevel gear 28 and the transmission gear 210, the auxiliary bevel gear 27 is in meshing transmission connection with the main bevel gear 28, and the transmission gear 210 is in meshing connection with the annular gear 32, therefore, after the annular gear 32 is rotated, the threaded rod 25 is synchronously rotated inside the annular seat 1 through the transmission of the transmission gear 210, the main gear shaft 29, the main bevel gear 28, the auxiliary bevel gear 27 and the auxiliary gear shaft 26, the slide seat 24 is in threaded connection with the threaded rod 25, after the threaded rod 25 is rotated, the slide seat 24 drives the support 23 and the arc-shaped plate 21 to synchronously slide on the annular seat 1, and the annular gear 32 can be in meshing connection with three transmission gears 210 at the same time, therefore, after the annular gear 32 is rotated, the three arc-shaped plates 21 are synchronously slid, so that the gap between the arc-shaped plates 21 conforms to the application of the drill rod with the corresponding diameter, finally, the knob 31 is loosened, the movable friction ring 37 is pushed to slide upward under the action of the reset spring 36 fixedly connected with the movable friction ring 37 and the ring body 33 at the two ends, the gap between the movable friction ring 37 and the fixed friction ring 38 is eliminated, the friction lines on the movable friction ring 37 are in close contact with the fixed friction ring 38, so as to form a certain friction force, the rotation of the movable friction ring 37 and the annular gear 32 is limited, and the state of the arc-shaped plate 21 is further locked.

[0027] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A positioning device for a large-hole drill rod, characterized in that, include: A ring seat (1) is provided with a positioning component (2) and an adjustment component (3). A bottom column (11) is fixedly installed on the bottom surface of the ring seat (1), and there are four bottom columns (11). The positioning component (2) includes a slide (24) slidably disposed on an annular seat (1), and a secondary gear shaft (26) and a main gear shaft (29) rotatably disposed inside the annular seat (1). A support column (23) is fixedly installed on the upper surface of the slide (24), and an arc plate (21) is fixedly installed on the upper end of the support column (23). A movable ball (22) is movably disposed on the inner surface of the arc plate (21). A threaded rod (25) is fixedly installed on one end of the secondary gear shaft (26), and a secondary bevel gear (27) is fixedly installed on the other end of the secondary gear shaft (26). A main bevel gear (28) and a transmission gear (210) are fixedly installed on the upper and lower ends of the main gear shaft (29), respectively. The adjustment assembly (3) includes a fixed friction ring (38) fixedly installed on the outer surface of the ring seat (1) and a ring gear (32) located below the fixed friction ring (38). A ring body (33) is fixedly installed on the upper surface of the ring gear (32). The adjustment assembly (3) also includes an auxiliary bearing (34) for realizing the rotational connection between the ring body (33) and the ring seat (1). A slide rod (35) is slidably connected on the ring body (33). A moving friction ring (37) is fixedly installed at the upper end of the slide rod (35). A return spring (36) is fixedly installed on the lower surface of the moving friction ring (37). The lower end of the return spring (36) is fixedly connected to the ring body (33). A knob (31) is fixedly installed on the outer surface of the moving friction ring (37).

2. The positioning device for a large-hole drill rod according to claim 1, characterized in that, The annular seat (1) has a groove for accommodating the slide block (24), and the threaded rod (25) is located inside the groove and is also threadedly connected to the slide block (24).

3. The positioning device for a large-hole drill rod according to claim 1, characterized in that, The secondary bevel gear (27) and the main bevel gear (28) are both located in the cavity inside the ring seat (1), and the secondary bevel gear (27) and the main bevel gear (28) are meshed and connected for transmission.

4. The positioning device for a large-hole drill rod according to claim 1, characterized in that, There are three arc-shaped plates (21), and the distance between the three arc-shaped plates (21) and the center of the annular seat (1) is the same.

5. A large-hole drill rod positioning device according to claim 4, characterized in that, The number of transmission gears (210) is the same as the number of arc plates (21), and all three transmission gears (210) can mesh with the ring gear (32).

6. The positioning device for a large-hole drill rod according to claim 1, characterized in that, Both the ring body (33) and the ring gear (32) are provided with auxiliary holes for sliding connection with the slide rod (35).

7. The positioning device for a large-hole drill rod according to claim 1, characterized in that, The dynamic friction ring (37) is located below the fixed friction ring (38), and the upper surface of the dynamic friction ring (37) is provided with friction patterns to enhance the friction between it and the fixed friction ring (38).

8. The positioning device for a large-hole drill rod according to claim 1, characterized in that, The knob (31) is also located below the fixed friction ring (38), and the outer surface of the knob (31) is provided with anti-slip texture.

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