Deep rock sampling device

Abstract

The utility model belongs to the technical field of rock sampling, and particularly relates to a deep rock sampling device which comprises a sampling operation platform, the top of the sampling operation platform is fixedly connected with a first electric push rod; a plurality of groups of first electric push rods are symmetrically arranged at the top of the sampling operation platform; the top ends of the first electric push rods are jointly and fixedly connected with a first fixing plate. The top of the first fixing plate is fixedly connected with a driving motor; the transmission end of the driving motor is fixedly connected with a drill rod; the end, away from the driving motor, of the drill rod is detachably provided with a pipe connector. A plurality of groups of drill rods are arranged at the bottom of the first fixing plate and are connected end to end through a pipe connector; in the step, by arranging a sampling operation platform, a first electric push rod, a first fixing plate, a driving motor, a drill rod and a drill bit, a drilled rock core is clamped in the drill bit and taken out, the situation that the rock core falls off when the rock core is drilled is reduced, and the success rate of deep rock sampling is increased.

Description

Technical Field

[0001] The utility model belongs to the technical field of rock sampling, in particular to a deep rock sampling device. Background Art

[0002] Deep rock sampling is an important task in geological research, which is used to obtain information such as the physical properties, structure and petrological characteristics of deep rocks.

[0003] Deep rock sampling usually uses a sampling device to sample rocks. The sampling methods are generally divided into drilling sampling method and core sampling method. Among them, the drilling sampling method is suitable for deep rock sampling. The core is drilled underground by drilling equipment. The core can be completely extracted and used for subsequent analysis and research. In the existing deep rock sampling device technology, after the core is drilled, the core is stored in the drill bit. The drill bit is taken out to take out the core. When the drill bit is lifted, the core in the drill bit may fall out of the drill bit, thereby affecting the success rate of sampling.

[0004] To this end, the utility model provides a deep rock sampling device. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0006] The technical solution adopted by the utility model to solve its technical problems is as follows: a deep rock sampling device described in the utility model comprises a sampling operation platform; a first electric push rod is fixedly connected to the top of the sampling operation platform; a plurality of groups of the first electric push rods are arranged on the top of the sampling operation platform and are symmetrically arranged; a first fixing plate is fixedly connected to the top of the plurality of groups of the first electric push rods; a driving motor is fixedly connected to the top of the first fixing plate; a drill rod is fixedly connected to the driving end of the driving motor; a coupling is detachably installed at the end of the drill rod away from the driving motor; a plurality of groups of the drill rods are arranged at the bottom of the first fixing plate and are connected end to end through the coupling; a drill bit is detachably installed at the bottom of the drill rod; a clamping assembly is arranged in the drill bit; in this step, the drilled core is clamped in the drill bit and taken out through the arrangement of the sampling operation platform, the first electric push rod, the first fixing plate, the driving motor, the drill rod and the drill bit, so as to reduce the situation of the core falling when drilling the core and improve the success rate of deep rock sampling.

[0007] Preferably, the sampling operation platform is fixedly connected to the top near the end; the second fixing plates are arranged in pair at the top of the sampling operation platform, and are symmetrically arranged; the second fixing plate is fixedly connected to the side wall of the drill rod near the drill plate; the second electric push rods are arranged in multiple groups on the side wall of the second fixing plate, and are symmetrically arranged; the transmission ends of multiple groups of the second electric push rods are commonly fixedly connected to a clamping plate; the clamping plates are arranged in pair at the top of the sampling operation platform, and are symmetrically arranged; in this step, the drill rod and the drill bit are clamped on the top of the sampling operation platform through the arrangement of the second fixing plate, the second electric push rod and the clamping plate, thereby reducing the need to pull out the drill bit when connecting multiple drill rods, simplifying the steps, improving the sampling efficiency, and reducing the situation where the drill bit falls into the borehole.

[0008] Preferably, the clamping assembly includes an anti-drop plate, a spring, and a gasket; the anti-drop plate is hinged inside the drill bit; multiple groups of anti-drop plates are arranged inside the drill bit; one end of the spring is fixedly connected to the side wall of the anti-drop plate close to the drill bit; the other end of the spring is fixedly connected to the inside of the drill bit; the gasket is fixedly connected to the end of the anti-drop plate away from the drill bit; this step clamps the core in the drill bit through the arrangement of the anti-drop plate, spring, and gasket, reduces the possibility of the core falling, improves the stability of the core in the drill bit, and improves the success rate of sampling.

[0009] Preferably, a nozzle is provided on the top of the drill bit; the nozzles are arranged in multiple groups on the top of the drill bit and are evenly distributed on the top of the drill bit; in this step, the debris entering the drill bit is flushed out through the setting of the nozzles, thereby reducing the situation where the core is stuck due to the debris and improving the integrity of the core sampling.

[0010] Preferably, the side wall of the sampling operation platform is slidably connected with a pull-out plate; the pull-out plates are arranged in multiple groups on the side wall of the sampling operation platform and are symmetrically arranged; the bottom of the pull-out plate is fixedly connected with a telescopic rod; in this step, the device is kept horizontal through the setting of the pull-out plate, the failure of core drilling due to the tilt of the device is reduced, and the stability and adaptability of the device are improved.

[0011] Preferably, a reinforcing foot plate is hinged at the bottom of the telescopic rod; the reinforcing foot plate is provided at the bottom of multiple groups of telescopic rods; this step improves the stability of the device during use and reduces the possibility of the device tipping over by providing the reinforcing foot plate.

[0012] The beneficial effects of the utility model are as follows:

[0013] 1. The deep rock sampling device described in the utility model clamps the drilled core in the drill bit and takes it out through the arrangement of the sampling operation platform, the first electric push rod, the first fixed plate, the driving motor, the drill rod and the drill bit, thereby reducing the possibility of core falling during drilling and improving the success rate of deep rock sampling.

[0014] 2. The deep rock sampling device described in the utility model clamps the drill rod and the drill bit on the top of the sampling operation platform through the arrangement of the second fixed plate, the second electric push rod and the clamping plate, thereby reducing the need to pull out the drill bit when multiple drill rods are connected, simplifying the steps, improving the sampling efficiency, and reducing the situation where the drill bit falls into the borehole. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model will be further described below in conjunction with the accompanying drawings.

[0016] Figure 1 It is a three-dimensional diagram of the utility model;

[0017] Figure 2 It is a schematic diagram of the structure of the cooperation between the clamping plate and the drill rod in the utility model;

[0018] Figure 3 It is a schematic diagram of the structure of the anti-drop plate and the drill bit in the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the coupling and the drill pipe in the utility model;

[0020] Figure 5 It is a schematic diagram of the structure of the pull-out plate and the sampling operation platform in the utility model;

[0021] In the figure: 1. sampling operation platform; 11. first electric push rod; 12. first fixed plate; 13. driving motor; 14. drill rod; 15. drill bit; 16. pipe coupling; 2. second fixed plate; 21. second electric push rod; 22. clamping plate; 3. anti-drop plate; 31. spring; 32. gasket; 4. nozzle; 5. pull-out plate; 51. telescopic rod; 6. reinforcement foot plate. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0023] like Figure 1 and Figure 4As shown, a deep rock sampling device described in an embodiment of the utility model comprises a sampling operation platform 1; a first electric push rod 11 is fixedly connected to the top of the sampling operation platform 1; a plurality of first electric push rods 11 are arranged on the top of the sampling operation platform 1, and are symmetrically arranged; a first fixing plate 12 is fixedly connected to the top of the plurality of first electric push rods 11; a driving motor 13 is fixedly connected to the top of the first fixing plate 12; a drill rod 14 is fixedly connected to the driving end of the driving motor 13; a coupling 16 is detachably installed at the end of the drill rod 14 away from the driving motor 13; a plurality of drill rods 14 are arranged at the bottom of the first fixing plate 12, and are connected end to end through the coupling 16; a drill bit 15 is detachably installed at the bottom of the drill rod 14; a clamping assembly is arranged in the drill bit 15; during operation, the drill bit 15 is pointed at the hole to be sampled, and the driving motor 1 is opened. 3. The driving motor 13 drives the drill rod 14 and the drill bit 15 to rotate, and the drill bit 15 contacts the rock to be sampled and performs drilling sampling. The drill bit 15 is hollow, and the first electric push rod 11 drives the first fixed plate 12, the driving motor 13, the drill rod 14, and the drill bit 15 to move downward. The drilled core is in the middle of the drill bit 15, and the core is fixed in the drill bit 15 by the clamping assembly in the drill bit 15. After the sampling is completed, the first electric push rod 11 drives the first fixed plate 12, the drill rod 14, and the drill bit 15 to rise, remove the drill bit 15 and take out the core in the drill bit 15, and complete the sampling operation; in this step, the sampling operation platform 1, the first electric push rod 11, the first fixed plate 12, the driving motor 13, the drill rod 14, and the drill bit 15 are set to clamp the drilled core in the drill bit 15 and take it out, thereby reducing the occurrence of core falling during core drilling and improving the success rate of deep rock sampling.

[0024] like Figure 2 and Figure 4As shown, the top of the sampling operation platform 1 near the end is fixedly connected with a second fixing plate 2; a pair of the second fixing plates 2 are arranged on the top of the sampling operation platform 1, and are symmetrically arranged; the side wall of the second fixing plate 2 near the drill rod 14 is fixedly connected with a second electric push rod 21; multiple groups of the second electric push rods 21 are arranged on the side wall of the second fixing plate 2, and are symmetrically arranged; multiple groups of the second electric push rods 21 are commonly fixedly connected to the transmission ends of the second electric push rods 21; a pair of the clamping plates 22 are arranged on the top of the sampling operation platform 1, and are symmetrically arranged; during operation, when drilling cores, when the length of a single section of the drill rod 14 is not enough, it is necessary to connect multiple drill rods 14, open the second electric push rod 2 1, the second fixed plate 2 drives the clamping plate 22 to approach and contact the drill rod 14, the coupling 16 is at the top of the clamping plate 22, the drill rod 14 connected at both ends of the coupling 16 is separated, the first electric push rod 11 is lifted, another drill rod 14 is installed on the coupling 16 and connected to the drill rod 14 at the bottom of the driving motor 13, so as to achieve the purpose of increasing the drilling depth; in this step, the drill rod 14 and the drill bit 15 are clamped on the top of the sampling operation platform 1 by the arrangement of the second fixed plate 2, the second electric push rod 21 and the clamping plate 22, so as to reduce the need to extract the drill bit 15 when connecting multiple drill rods 14, simplify the steps, improve the sampling efficiency, and reduce the situation where the drill bit 15 falls into the borehole.

[0025] like Figure 3 As shown, the clamping assembly includes an anti-drop plate 3, a spring 31, and a gasket 32; the anti-drop plate 3 is hinged inside the drill bit 15; multiple groups of the anti-drop plate 3 are arranged inside the drill bit 15; one end of the spring 31 is fixedly connected to the side wall of the anti-drop plate 3 close to the drill bit 15; the other end of the spring 31 is fixedly connected to the inside of the drill bit 15; the gasket 32 ​​is fixedly connected to the end of the anti-drop plate 3 away from the drill bit 15; during operation, when the core is in the drill bit 15 and the core and the drill bit 15 move relative to each other, the anti-drop plate 3 contacts the core and compresses the spring 31, and the gasket 32 ​​contacts the side wall of the core. After drilling is completed, the drill bit 15 is lifted, and the core slides downward under the action of gravity, and the anti-drop plate 3 and the gasket 32 ​​clamp the core; in this step, the anti-drop plate 3, the spring 31, and the gasket 32 ​​are arranged to clamp the core in the drill bit 15, reduce the situation of the core falling, improve the stability of the core in the drill bit 15, and improve the success rate of sampling.

[0026] like Figure 3As shown, a nozzle 4 is provided on the top of the drill bit 15; the nozzle 4 is arranged in multiple groups on the top of the drill bit 15 and is evenly distributed on the top of the drill bit 15; during operation, the nozzle 4 is connected to an external water source, and the nozzle 4 flushes water into the drill bit 15. When the drill bit 15 drills a core, debris will be generated. The debris enters the drill bit 15 and the core is stuck in the drill bit 15, which may easily cause the core to break. The nozzle 4 flushes out the debris entering the drill bit 15; in this step, the debris entering the drill bit 15 is flushed out by the setting of the nozzle 4, so as to reduce the situation where the core is stuck due to the debris, and improve the integrity of the core sampling.

[0027] like Figure 1 and Figure 5 As shown, the side wall of the sampling operation platform 1 is slidably connected with a pull-out plate 5; the pull-out plates 5 are arranged in multiple groups on the side wall of the sampling operation platform 1 and are symmetrically arranged; the bottom of the pull-out plate 5 is fixedly connected with a telescopic rod 51; during operation, when installing the device on an unpaved road, the pull-out plate 5 is pulled out to a suitable position, and the height of the telescopic rod 51 is adjusted to keep the sampling operation platform 1 horizontal; this step keeps the device horizontal by setting the pull-out plate 5, reduces the situation where the core drilling failure caused by the tilt of the device, and improves the stability and adaptability of the device.

[0028] like Figure 1 As shown, a reinforced foot plate 6 is hinged at the bottom of the telescopic rod 51; the reinforced foot plate 6 is arranged at the bottom of multiple groups of telescopic rods 51; during operation, the reinforced foot plate 6 contacts the placement surface to increase the stability of the device when it is placed; this step improves the stability of the device when it is used and reduces the possibility of the device tipping over by setting the reinforced foot plate 6.

[0029] like Figure 3 As shown, the bottom of the drill bit 15 is made of alloy material; during operation, the drill bit 15 is made of alloy material, which improves the wear resistance of the drill bit 15 and increases the service life of the components.

[0030] During operation, the drill bit 15 is directed toward the hole to be sampled, and the drive motor 13 is turned on. The drive motor 13 drives the drill rod 14 and the drill bit 15 to rotate, and the drill bit 15 contacts the rock to be sampled and performs drilling sampling. The drill bit 15 is hollow, and the first electric push rod 11 drives the first fixed plate 12, the drive motor 13, the drill rod 14, and the drill bit 15 to move downward. The drilled core is in the middle of the drill bit 15, and the core is fixed in the drill bit 15 by the clamping assembly in the drill bit 15. The sampling is completed. After that, the first electric push rod 11 drives the first fixed plate 12, the drill rod 14, and the drill bit 15 to rise, remove the drill bit 15 and take out the core in the drill bit 15, and complete the sampling operation; when drilling the core, if the length of a single section of the drill rod 14 is not enough, it is necessary to connect multiple drill rods 14, open the second electric push rod 21, and the second fixed plate 2 drives the clamping plate 22 to approach and contact the drill rod 14, and the coupling 16 is at the top of the clamping plate 22, and the drill rod 14 connected at both ends of the coupling 16 is separated, and the first electric push rod 21 is opened. An electric push rod 11 is used to install another drill rod 14 on the coupling 16 and connect it to the drill rod 14 at the bottom of the driving motor 13, so as to increase the drilling depth; the core is in the drill bit 15, and when the core and the drill bit 15 move relative to each other, the anti-drop plate 3 contacts the core and compresses the spring 31, and the gasket 32 ​​contacts the side wall of the core. After drilling, the drill bit 15 is lifted, and the core slides downward under the action of gravity, and the anti-drop plate 3 and the gasket 32 ​​clamp the core; the nozzle 4 is connected to the water pipe 16; the core ... The nozzle 4 flushes water into the drill bit 15. When the drill bit 15 is drilling a core, debris will be generated. The debris enters the drill bit 15 and the core is stuck in the drill bit 15, which may easily cause the core to break. The nozzle 4 flushes the debris that enters the drill bit 15. When installing the device on an unpaved road, the pull-out plate 5 is pulled out to a suitable position, and the height of the telescopic rod 51 is adjusted to keep the sampling operation platform 1 horizontal. The reinforced foot plate 6 is in contact with the placement surface to increase the stability of the device when it is placed.

[0031] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A deep rock sampling device, comprising a sampling operation platform (1); characterized in that: A first electric push rod (11) is fixedly connected to the top of the sampling operation platform (1); multiple groups of the first electric push rods (11) are arranged on the top of the sampling operation platform (1) and are symmetrically arranged; the tops of the multiple groups of the first electric push rods (11) are commonly fixedly connected to a first fixing plate (12); a driving motor (13) is fixedly connected to the top of the first fixing plate (12); a drill rod (14) is fixedly connected to the transmission end of the driving motor (13); a coupling (16) is detachably installed at the end of the drill rod (14) away from the driving motor (13); multiple groups of the drill rod (14) are arranged at the bottom of the first fixing plate (12) and are connected end to end via the coupling (16); a drill bit (15) is detachably installed at the bottom of the drill rod (14); a clamping assembly is provided in the drill bit (15).

2. A deep rock sampling device according to claim 1, characterized in that: A second fixing plate (2) is fixedly connected to the top of the sampling operation platform (1) near the end; a pair of the second fixing plates (2) are arranged on the top of the sampling operation platform (1) and are symmetrically arranged; a second electric push rod (21) is fixedly connected to the side wall of the second fixing plate (2) near the drill rod (14); a plurality of groups of the second electric push rods (21) are arranged on the side wall of the second fixing plate (2) and are symmetrically arranged; a clamping plate (22) is fixedly connected to the transmission ends of the plurality of groups of the second electric push rods (21); a pair of the clamping plates (22) are arranged on the top of the sampling operation platform (1) and are symmetrically arranged.

3. A deep rock sampling device according to claim 2, characterized in that: The clamping assembly comprises an anti-drop plate (3), a spring (31), and a gasket (32); the anti-drop plate (3) is hinged inside the drill bit (15); a plurality of anti-drop plates (3) are arranged inside the drill bit (15); one end of the spring (31) is fixedly connected to a side wall of the anti-drop plate (3) close to the drill bit (15); the other end of the spring (31) is fixedly connected to the inside of the drill bit (15); and the gasket (32) is fixedly connected to an end of the anti-drop plate (3) away from the drill bit (15).

4. A deep rock sampling device according to claim 3, characterized in that: The top of the drill bit (15) is provided with a nozzle (4); a plurality of groups of the nozzles (4) are arranged on the top of the drill bit (15) and are evenly distributed on the top of the drill bit (15).

5. A deep rock sampling device according to claim 4, characterized in that: The side wall of the sampling operation platform (1) is slidably connected to a pull-out plate (5); a plurality of pull-out plates (5) are arranged on the side wall of the sampling operation platform (1) and are symmetrically arranged; a telescopic rod (51) is fixedly connected to the bottom of the pull-out plate (5).

6. A deep rock sampling device according to claim 5, characterized in that: A reinforcing foot plate (6) is hinged at the bottom of the telescopic rod (51); the reinforcing foot plate (6) is arranged at the bottom of multiple groups of telescopic rods (51).

Images