A GP drill rig core barrel with a unit of measurement

Abstract

The utility model relates to the technical field of core tube, especially a GP drilling machine core tube with a unit of measurement, which comprises a core tube body, the top of the core tube body is fixedly connected with an external thread sleeve, the bottom of the inner wall of the core tube body is threadedly connected with the surface of the external thread sleeve, a resting groove is formed in the back side of the core tube body, a restraint groove is formed in the inner wall of the resting groove, a firm sealing plate is sealingly and clippably connected to the inner wall of the resting groove, a restraint plate is fixedly connected to the side of the firm sealing plate, the surface of the restraint plate is clippably and adaptively connected to the inner wall of the restraint groove, a connecting thread groove is formed in the inside of the restraint plate and the inside of the restraint groove, the utility model is provided with a detachable firm sealing plate for sealing on the core tube body, so that the compression ratio can be observed and calculated according to the rock core drilled by the GP drilling machine core tube, the thickness of each stratum can be obtained, and the material can be conveniently taken and measured after the corresponding core measurement.

Description

Technical Field

[0001] This utility model relates to a core tube for GP drilling rigs with a unit of measurement, belonging to the field of core tube technology. Background Technology

[0002] During the environmental investigation, samples were taken from the sand and soil layers at a certain location. For suspected contaminated sites with volatile organic compounds, GP drilling rigs were used to take samples, and the core samples were directly inserted into a dedicated acrylic core tube.

[0003] Currently, GP drilling rigs are mostly used for sampling sand and soil layers. However, the core samples taken from inside acrylic core tubes can be measured by pulling with a tape measure. This makes the subsequent calculation of the core compression ratio cumbersome and time-consuming, affecting the thickness detection of various strata. This has certain adverse effects on practical use, so improvements are needed. Utility Model Content

[0004] The purpose of this invention is to provide a GP drilling core tube with a unit of measurement. This invention provides a detachable and secure sealing plate on the core tube body, so that the compression ratio can be calculated based on the core sample drilled by the GP drilling core tube to obtain the thickness of each stratum. This enables portable viewing and measurement after core sample collection, thereby solving the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A core tube for a GP drilling rig with a unit of measurement includes a core tube body. An external threaded sleeve is fixedly connected to the top of the core tube body. The bottom of the inner wall of the core tube body is threadedly connected to the surface of the external threaded sleeve. A support groove is formed on the rear side of the core tube body. A constraint groove is formed on the inner wall of the support groove. A secure sealing plate is sealed and engaged with the inner wall of the support groove. A constraint plate is fixedly connected to the side of the secure sealing plate. The surface of the constraint plate engages and fits with the inner wall of the constraint groove. Connecting threaded grooves are formed inside both the constraint plate and the constraint groove. A connecting screw is threadedly connected to the inner wall of the connecting threaded groove. A stabilizing platform is placed on the front side of the core tube body.

[0007] Furthermore, an annular sealing groove is provided on the top of the core tube near its circumference, and an annular sealing plate is fixedly connected to the bottom of the core tube near its circumference. The surface of the annular sealing plate and the inner wall of the annular sealing groove are in sealed contact.

[0008] Furthermore, a sealing ring is fixedly connected to the bottom of the core tube, and the surface of the sealing ring abuts against the top of the core tube.

[0009] Further, the number of the core tube bodies is at least three, and the at least three core tube bodies are threadedly connected in the up-down direction.

[0010] Further, the rear side of the constraint plate is provided with a hidden groove, the connecting screw rod is located in the inside of the hidden groove, and the inner wall of the hidden groove is clamped with a sealing plug.

[0011] Further, the main body of the stabilizing table is an arc-shaped groove plate, and the bottom of the arc-shaped groove plate is fixedly connected with a shock-absorbing supporting leg.

[0012] Further, the top of the arc-shaped groove plate is fixedly connected with an anti-skid base plate, and the upper surface of the anti-skid base plate is coated with a wear-resistant coating.

[0013] The utility model discloses the beneficial effect is:

[0014] 1. In the utility model, the upper outer thread sleeve and the lower inner thread surface of the core tube body are threadedly connected, the core tube bodies in multiple directions can be connected as a whole, under the action of the sealing sleeve ring, the sealing abutting effect of the connected core tube bodies is enhanced, the connecting effect of the annular sealing groove and the annular sealing plate is increased, the fast positioning and connecting of the upper and lower core tube bodies are convenient, the GP drilling machine operation can drill the connected core tube bodies to obtain the soil material, and the stable core measurement operation is convenient.

[0015] 2. In the utility model, the core tube body is placed on the stabilizing table in the state that the front side is placed below and the rear side is placed above, the arc-shaped groove plate above the stabilizing table can be conveniently attached to the surface of the core tube body, the anti-skid base plate is arranged to reduce the loosening and moving of the core tube body after being placed, the shock-absorbing supporting leg is arranged to stably support the stabilizing table, the subsequent core observation after the core tube body is disassembled, the sealing plug is hooked and taken out by using external tools, the connecting screw rod is controlled to rotate, the connecting screw rod can be separated from the inside of the connecting thread groove, the connecting and locking effect of the constraint plate and the constraint groove is released, the firm sealing plate is taken out from the placing groove by using external force to drive external tools, the inside of the core tube body is observed, the compression ratio is calculated according to the core drilled by the GP drilling machine, and the thickness of each stratum is obtained. DRAWINGS

[0016] The drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, which is used together with the specific embodiment of the utility model to explain the utility model, and does not constitute the limitation to the utility model.

[0017] Figure 1It is the whole structure schematic diagram of the GP drilling machine core tube with the unit of measurement of the utility model;

[0018] Figure 2 It is the structure schematic diagram of the core tube body in the GP drilling machine core tube with the unit of measurement of the utility model;

[0019] Figure 3 It is the side view of the core tube body in the GP drilling machine core tube with the unit of measurement of the utility model;

[0020] Figure 4 It is the enlarged view of A in the GP drilling machine core tube with the unit of measurement of the utility model;

[0021] Figure 5 It is the enlarged view of B in the GP drilling machine core tube with the unit of measurement of the utility model;

[0022] Marked label in the drawing: 1, core tube body;2, outer thread sleeve;3, rest groove;4, constraint groove;5, firm sealing plate;6, constraint plate;7, connecting thread groove;8, connecting screw;9, stabilizing table;10, annular sealing groove;11, annular sealing plate;12, sealing sleeve ring;13, hidden groove;14, sealing plug;15, shock support leg;16, antiskid base plate. DETAILED DESCRIPTION

[0023] The technical scheme 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.

[0024] Embodiment 1 please refer to Figures 1-5 The utility model provides a technical scheme:

[0025] A GP drilling machine core tube with the unit of measurement, including core tube body 1, the top of the core tube body 1 is fixedly connected with outer thread sleeve 2, the bottom of the inner wall of the core tube body 1 and the surface of outer thread sleeve 2 are threadedly connected, the rear side of the core tube body 1 is provided with rest groove 3, the inner wall of rest groove 3 is provided with constraint groove 4, the inner wall of rest groove 3 is sealedly connected with firm sealing plate 5, the side of firm sealing plate 5 is fixedly connected with constraint plate 6, the surface of constraint plate 6 and the inner wall of constraint groove 4 are connected and adapted, the inside of constraint plate 6 and the inside of constraint groove 4 are all provided with connecting thread groove 7, the inner wall of connecting thread groove 7 is threadedly connected with connecting screw 8, and the front side of the core tube body 1 is placed with stabilizing table 9.

[0026] Specifically, as shown in Figures 1-5 The top of the core tube body 1 is provided with an annular sealing groove 10, and the bottom of the core tube body 1 is fixedly connected with an annular sealing plate 11. The surface of the annular sealing plate 11 and the inner wall of the annular sealing groove 10 are in sealing abutment, which increases the connection effect of the annular sealing groove 10 and the annular sealing plate 11, and facilitates the quick alignment and directional connection of the upper and lower core tube bodies 1.

[0027] Further, the bottom of the core tube body 1 is fixedly connected with a sealing sleeve ring 12. The surface of the sealing sleeve ring 12 and the top of the core tube body 1 are in abutment. Under the action of the sealing sleeve ring 12, the sealing abutment effect of the connected core tube body 1 is enhanced.

[0028] Further, the rear side of the constraint plate 6 is provided with a hidden groove 13. The connecting screw 8 is located in the inside of the hidden groove 13, and the inner wall of the hidden groove 13 is clamped with a sealing plug 14. The connecting screw 8 is hidden and thread-locked in the inside of the hidden groove 13, and the clamping sealing of the sealing plug 14 is performed outside the hidden groove 13.

[0029] Specifically, as shown in Figures 1-5 The number of the core tube body 1 is at least three, and the at least three core tube bodies 1 are threadedly connected in the upward and downward directions. The outer threaded sleeve 2 and the inner threaded surface at the bottom of the lower inner wall of the core tube body 1 are threadedly connected, which can complete the connection of the core tube bodies 1 in multiple directions to form a whole.

[0030] Embodiment 2, please refer to Figures 1-5 The difference between this embodiment and embodiment 1 is that the main body of the stabilizing table 9 is an arc-shaped groove plate, and the bottom of the arc-shaped groove plate is fixedly connected with a shock-absorbing support leg 15. The top of the arc-shaped groove plate is fixedly connected with an anti-skid pad 16, and the upper surface of the anti-skid pad 16 is coated with a wear-resistant coating. The arc-shaped groove plate above the stabilizing table 9 can be conveniently attached to the surface of the core tube body 1. After the anti-skid pad 16 is arranged, the situation of loose sliding and moving of the core tube body 1 after being placed can be reduced. The shock-absorbing support leg 15 can be used to support the stabilizing table 9 from below, and can be used for subsequent core observation after the core tube body 1 is disassembled.

[0031] The utility model discloses a working principle: in use, according to the need of sampling area is different, then need to carry out the connection of different length core barrel body 1, namely utilize the external thread cover 2 and the lower inner wall bottom place inner thread surface of core barrel body 1 carry out the thread connection, can complete the connection of the core barrel body 1 of multiple direction up and down and present a whole, under the action of sealing sleeve ring 12, can play the sealing butt joint effect of reinforcing the core barrel body 1 of interconnection, increase the connection effect of annular sealing groove 10 and annular sealing plate 11, can carry out the quick alignment directional connection of core barrel body 1 up and down, so as to carry out the GP drilling machine operation can drill the core barrel body 1 of interconnection and can carry out the soil material, for the convenience of subsequent core taking out and viewing, can place the core barrel body 1 on the stable platform 9 in the state of front side placement lower rear side placement upper side, the arc groove plate above the stable platform 9 can conveniently fit on the surface of core barrel body 1, through the setting of antiskid pad 16, can reduce the loose slip shift situation of core barrel body 1 rest, increase the shock absorbing support leg 15 can carry out the anti-seismic support under the stable platform 9, play the core observation after the subsequent core barrel body 1 dismounting, namely utilize external tool to hook up and take out sealing plug 14, then carry out the control rotation of connecting screw rod 8, make connecting screw rod 8 rotation can separate from the inside of connecting thread groove 7, and then remove the connection locking effect of constraint plate 6 and constraint groove 4, then utilize external force drive external tool to take out firm sealing plate 5 from the rest groove 3, can present the whole surface and carry out the core observation of core barrel body 1 inside, so as to carry out the observation and calculation compression ratio according to the core of GP drilling machine core barrel drilling, to obtain each stratum thickness, so as to realize the portable viewing measurement after taking the corresponding core measurement.

[0032] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A GP rig core barrel with a unit of measurement, comprising a core barrel body (1), characterized in that: The top of the core tube body (1) is fixedly connected with an external thread sleeve (2), the bottom of the inner wall of the core tube body (1) is threadedly connected with the surface of the external thread sleeve (2), the rear side of the core tube body (1) is provided with a resting groove (3), the inner wall of the resting groove (3) is provided with a constraint groove (4), the inner wall of the resting groove (3) is sealingly clamped with a firm sealing plate (5), the side of the firm sealing plate (5) is fixedly connected with a constraint plate (6), the surface of the constraint plate (6) is clamped and matched with the inner wall of the constraint groove (4), the inside of the constraint plate (6) and the inside of the constraint groove (4) are both provided with a connecting thread groove (7), the inner wall of the connecting thread groove (7) is threadedly connected with a connecting screw rod (8), and the front side of the core tube body (1) is placed with a stable table (9).

2. A GP rig core barrel with unit of measurement as claimed in claim 1, wherein: An annular sealing groove (10) is formed on the top of the core tube body (1) near the circumferential direction thereof, an annular sealing plate (11) is fixedly connected to the bottom of the core tube body (1) near the circumferential direction thereof, and the surface of the annular sealing plate (11) is sealingly abutted against the inner wall of the annular sealing groove (10).

3. A GP rig core barrel with unit of measurement as claimed in claim 1, wherein: The bottom of the core tube body (1) is fixedly connected with a sealing sleeve ring (12), and the surface of the sealing sleeve ring (12) is abutted against the top of the core tube body (1).

4. A GP rig core barrel with unit of measurement as claimed in claim 1, wherein: The number of the core tube body (1) is at least three, and the at least three core tube bodies (1) are threadedly connected in the up-down direction.

5. A GP rig core barrel with unit of measurement as claimed in claim 1, wherein: The rear side of the constraint plate (6) is provided with a hidden groove (13), the connecting screw rod (8) is located in the inside of the hidden groove (13), and the inner wall of the hidden groove (13) is clamped with a sealing plug (14).

6. A GP rig core barrel with unit of measurement as claimed in claim 1, wherein: The main body of the stable table (9) is an arc-shaped groove plate, and the bottom of the arc-shaped groove plate is fixedly connected with a shock-absorbing supporting leg (15).

7. A GP rig core barrel with unit of measurement as claimed in claim 6, wherein: The top of the arc-shaped groove plate is fixedly connected with an anti-skid pad plate (16), and the upper surface of the anti-skid pad plate (16) is coated with a wear-resistant coating.

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