Underwater sand cushion thickness drilling equipment

Abstract

The invention provides underwater sand cushion thickness drilling equipment. The underwater sand cushion thickness drilling equipment comprises a bottom frame, a vertical frame is vertically arranged at the top of the bottom frame, a lifting seat is slidably arranged on the vertical frame, a driving device is arranged on the lifting seat, a connecting shaft is arranged at the bottom end of the driving device, a sampling mechanism is arranged at the bottom end of the connecting shaft, and a drill bit is arranged at the bottom end of the sampling mechanism; according to the device, the driving device can drive the connecting shaft to rotate, the connecting shaft drives the sampling mechanism and the drill bit to rotate, and the drill bit is arranged so that the sampling mechanism can be driven to drill into a sand cushion for sampling; when the drill bit drills into the sand cushion layer, the door plate is opened, when the drill bit drives the sampling pipe to reach a certain depth, the driving device drives the drill bit and the sampling pipe to rotate reversely, the gravel enters the sampling cavity, meanwhile, the door plate is gradually closed, the gravel is sealed in the sampling cavity, and at the moment, the sampling mechanism is pulled out of water; and different-depth sampling of different underwater sand cushions is completed.

Description

Technical Field

[0001] The invention belongs to the technical field of sand cushion layer sampling, and in particular relates to underwater sand cushion layer thickness drilling equipment. Background Art

[0002] During the construction of underwater sand cushion layer, the underwater plug sampling method is used to determine the actual thickness of the sand cushion layer and the actual situation of the mixing of the sand cushion layer and the bottom mud.

[0003] In the prior art, a Chinese utility model patent document with authorization announcement number CN212391230U discloses an underwater sampler for a sand cushion layer, which requires divers to be embedded underwater for sampling. The sampling process is relatively cumbersome and the labor cost is high. When sampling, the sampler needs to be hammered into a certain depth for sampling, which is manpower-consuming, and the hammering process takes a lot of time and is inefficient.

[0004] Therefore, it is necessary to design an underwater sand cushion thickness drilling equipment that reduces labor expenses and improves sampling convenience and sampling efficiency to solve the current technical problems. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides an underwater sand cushion thickness drilling device which reduces labor costs and improves sampling convenience and sampling efficiency.

[0006] The technical solution of the present invention is: underwater sand cushion thickness drilling equipment, including a base frame, a stand frame is vertically arranged on the top of the base frame, a lifting seat is slidably arranged on the stand frame, a driving device is arranged on the lifting seat, a connecting shaft is arranged at the bottom end of the driving device, a sampling mechanism is arranged at the bottom end of the connecting shaft, and a drill bit is arranged at the bottom end of the sampling mechanism; the sampling mechanism has a sampling tube, the interior of the sampling tube is evenly provided with partitions along its axial direction, the partitions separate the interior of the sampling tube into a plurality of sampling cavities, the outer side of the sampling cavity is provided with an opening, one end of the opening of the sampling cavity is rotatably provided with a door panel matching the opening of the sampling cavity, the door panel is opened when the drill bit rotates forward to drill into the sand cushion layer, and the door panel is closed when the drill bit is reversed.

[0007] The connecting rod has an inner shaft fixedly arranged on the top end of the sampling tube, the upper end of the inner shaft is transmission-connected to the driving device, the outer side of the inner shaft is rotationally sleeved with an outer sleeve, the bottom end of the outer sleeve is fixedly provided with an outer gear, one end of the door panel is provided with a rotating shaft, the rotating shaft is rotationally connected to one end at the opening of the sampling chamber, and the upper end of the rotating shaft is provided with an inner gear meshing with the outer gear.

[0008] The upper and lower ends of the rotating shaft are rotatably connected to the upper and lower ends of the sampling tube respectively, and one end of the door panel is fixedly connected to the rotating shaft to form an integrated structure.

[0009] The door plate has an arc-shaped plate matched with the sampling tube, and side plates are fixedly arranged on the upper and lower sides of the arc-shaped plate.

[0010] A rack is arranged on one side of the stand in the vertical direction, and the lifting seat has a sliding sleeve slidably mounted on the stand. A crank is rotatably arranged on one side of the sliding sleeve, and a transmission gear meshing with the rack is mounted on the end of the crank.

[0011] An oblique support rod is arranged between the top end of the upright frame and one end of the base frame.

[0012] The two ends of the diagonal brace are respectively detachably fixedly connected to the vertical frame and the bottom frame through bolt and nut mechanisms.

[0013] The driving device is a motor fixedly mounted on one side of the lifting seat, and the upper end of the connecting shaft is fixedly mounted on the end of the output shaft of the motor.

[0014] The drill bit has a drill rod fixedly arranged at the bottom end of the sampling tube, and a spiral blade is arranged on the outer side of the drill rod.

[0015] The bottom end of the drill rod is provided with a cone head.

[0016] Beneficial effects of the present invention:

[0017] (1) In the present invention, the driving device can drive the connecting shaft to rotate, and the connecting shaft drives the sampling mechanism and the drill bit to rotate. The setting of the drill bit is conducive to driving the sampling mechanism to drill into the sand cushion layer for sampling;

[0018] (2) When the drill bit drills into the sand cushion layer, the door panel opens. Since the opening direction of the door panel is opposite to the rotation direction of the sampling tube, sand and gravel will not enter the sampling cavity at this time. When the drill bit drives the sampling tube to a certain depth, the driving device drives the drill bit and the sampling tube to reverse, and sand and gravel enter the sampling cavity. At the same time, the door panel gradually closes, sealing the sand and gravel in the sampling cavity. At this time, the sampling mechanism is pulled out of the water to complete sampling at different depths of different underwater sand cushion layers. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is one of the structural schematic diagrams of the underwater sand cushion thickness drilling equipment in the present invention.

[0020] Figure 2 It is a schematic diagram of the structure of the underwater sand cushion thickness drilling equipment in the present invention.

[0021] Figure 3It is one of the structural schematic diagrams of the sampling mechanism in the present invention.

[0022] Figure 4 This is the second structural schematic diagram of the sampling mechanism in the present invention.

[0023] Figure 5 It is a schematic diagram of the structure of the rotating shaft and the door panel in the present invention.

[0024] Figure 6 It is a schematic diagram of the structure of the drill bit in the present invention. DETAILED DESCRIPTION

[0025] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative and is in no way intended to limit the present invention and its application or use. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. These embodiments are provided to make the present invention thorough and complete and to fully express the scope of the present invention to those skilled in the art. It should be noted that unless otherwise specifically stated, the relative arrangement of the parts and steps, the composition of the materials, the numerical expressions and the numerical values ​​set forth in these embodiments should be interpreted as being merely exemplary, rather than as limitations.

[0026] The words "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different parts. The words "include" or "comprise" and similar words mean that the elements before the word include the elements listed after the word, and do not exclude the possibility of including other elements. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0027] like Figures 1 to 6As shown, the underwater sand cushion thickness drilling equipment comprises a base frame 1, a stand frame 2 is vertically arranged on the top of the base frame 1, a lifting seat 3 is slidably arranged on the stand frame 2, a driving device 4 is arranged on the lifting seat 3, a connecting shaft 5 is arranged at the bottom end of the driving device 4, a sampling mechanism 6 is arranged at the bottom end of the connecting shaft 5, a drill bit 7 is arranged at the bottom end of the sampling mechanism 6, the driving device 4 can drive the connecting shaft 5 to rotate, the connecting shaft 5 drives the sampling mechanism 6 and the drill bit 7 to rotate, and the setting of the drill bit 7 is conducive to driving the sampling mechanism 6 to drill into the sand cushion layer for sampling; the sampling mechanism 6 has a sampling tube 61, and the interior of the sampling tube 61 is evenly provided with partitions 63 along its axial direction, the partition 3 separates the interior of the sampling tube 61 into a plurality of sampling cavities 66, and the outer side of the sampling cavity 66 is provided There is an opening, and one end of the opening of the sampling chamber 66 is rotatably provided with a door panel 62 matching the opening of the sampling chamber 66. The door panel 62 opens when the drill bit 7 rotates forward to drill into the sand cushion layer, and closes when the drill bit 7 reverses. When the drill bit 7 drills into the sand cushion layer, the door panel 62 opens. Since the opening direction of the door panel 62 is opposite to the rotation direction of the sampling tube 61, sand and gravel will not enter the interior of the sampling chamber 66 at this time. When the drill bit 7 drives the sampling tube 61 to reach a certain depth, the driving device 4 drives the drill bit 7 and the sampling tube 61 to reverse, and sand and gravel enter the interior of the sampling chamber 66. At the same time, the door panel 62 gradually closes, and the sand and gravel are sealed in the interior of the sampling chamber 66. At this time, the sampling mechanism 6 is extracted from the water to complete sampling at different depths of different underwater sand cushion layers.

[0028] In some embodiments, the connecting rod 5 has an inner shaft 51 fixedly arranged at the top of the sampling tube 61, the upper end of the inner shaft 51 is transmission-connected to the driving device 4, the outer side of the inner shaft 51 is rotationally sleeved with an outer sleeve 52, the bottom end of the outer sleeve 52 is fixedly provided with an outer gear 65, one end of the door plate 62 is provided with a rotating shaft 64, the rotating shaft 64 is rotationally connected to one end of the opening of the sampling chamber 66, and the upper end of the rotating shaft 64 is provided with an inner gear 53 meshing with the outer gear 65; refer to Figure 4 As shown, when observing upward from the bottom of the drill bit 7, when the driving device 4 drives the drill bit 7 and the sampling tube 61 to rotate counterclockwise, the drill bit 7 drills into the interior of the sand cushion layer, and the inner shaft 51 rotates counterclockwise relative to the outer sleeve 52 under the drive of the driving device 4, and the outer gear 65 and the inner gear 53 are meshed and transmitted, and the driving shaft 64 rotates, driving the door plate 62 to open; the driving device 4 drives the drill bit 7 and the sampling tube 61 to rotate clockwise, and the inner shaft 51 rotates clockwise relative to the outer sleeve 52 under the drive of the driving device 4, and the outer gear 65 and the inner gear 53 are meshed and transmitted, and the driving shaft 64 rotates, driving the door plate 62 to gradually close, and the sand and gravel are sealed in the sampling chamber 66. At this time, the sampling mechanism 6 is extracted from the water to complete sampling at different depths of different underwater sand cushion layers.

[0029] In some embodiments, the upper and lower ends of the rotating shaft 64 are rotatably connected to the upper and lower ends of the sampling tube 61 respectively, and one end of the door panel 62 is fixedly connected to the rotating shaft 64 to form an integrated structure; specifically, the door panels 62 located on the same side of the sampling tube 61 are all fixedly connected to the same rotating shaft 64, and all the door panels 62 on the rotating shaft 64 can be synchronously controlled to open or close synchronously.

[0030] In some embodiments, the door panel 62 has an arc plate 621 that matches the sampling tube 61, and side plates 622 are fixedly provided on the upper and lower sides of the arc plate 621; when the door panel 62 is closed, the arc plate 621 matches the sampling tube 61 to ensure that the outer surface of the sampling tube 61 is flat; when the door panel 62 is opened, the arc plate 621 and the side plate 622 form a bucket-shaped structure, which can shovel sand and gravel into the interior of the sampling cavity 66.

[0031] In some embodiments, a rack 21 is provided on one side of the stand 2 in the vertical direction, and the lifting seat 3 has a sleeve 32 slidably mounted on the stand 21. A crank 31 is rotatably provided on one side of the sleeve 32, and the end of the crank 31 is equipped with a transmission gear (not shown in the figure) meshing with the rack 21; by shaking the crank 31, the transmission gear is meshed with the rack 21, so as to drive the lifting seat 3 to move the stand 2 up and down, thereby driving the drill bit 7 and the sampling mechanism 6 to move up and down.

[0032] In some embodiments, a diagonal support rod 8 is provided between the top end of the vertical frame 2 and one end of the bottom frame 1 , and a stable triangular frame structure is formed between the diagonal support rod 8 , the vertical frame 2 and the bottom frame 1 , thereby improving the stability of the vertical frame 2 .

[0033] In some embodiments, both ends of the diagonal brace rod 8 are detachably fixedly connected to the vertical frame 2 and the bottom frame 1 respectively through a bolt and nut mechanism, so as to facilitate the disassembly of the diagonal brace rod 8 .

[0034] In some embodiments, the driving device 4 is a motor fixedly mounted on one side of the lifting seat 3, and the upper end of the connecting shaft 5 is fixedly mounted on the end of the output shaft of the motor; specifically, in order to obtain a larger torque, the motor can be a reduction motor.

[0035] In some embodiments, Figure 6 As shown, the drill bit 7 has a drill rod 71 fixedly arranged at the bottom end of the sampling tube 61, and a spiral blade 73 is arranged on the outer side of the drill rod 71, through which the drill rod 71 can be easily drilled into the sand cushion layer; the bottom end of the drill rod 71 has a cone head 72, through which the drill rod 71 can be further drilled into the sand cushion layer.

[0036] So far, various embodiments of the present invention have been described in detail. In order to avoid obscuring the concept of the present invention, some details known in the art are not described. Based on the above description, those skilled in the art can fully understand how to implement the technical solution disclosed here.

[0037] The above-mentioned embodiments only express some implementation methods of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the invention patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be based on the attached claims.

Claims

1. An underwater sand cushion thickness drilling device, characterized in that: It comprises a base frame, a vertical frame is vertically arranged on the top of the base frame, a lifting seat is slidably arranged on the vertical frame, a driving device is arranged on the lifting seat, a connecting shaft is arranged at the bottom end of the driving device, a sampling mechanism is arranged at the bottom end of the connecting shaft, and a drill bit is arranged at the bottom end of the sampling mechanism; The sampling mechanism comprises a sampling tube, the interior of the sampling tube is evenly provided with partitions along its axial direction, the partitions divide the interior of the sampling tube into a plurality of sampling cavities, the outer side of the sampling cavity is provided with an opening, one end of the opening of the sampling cavity is rotatably provided with a door plate matching the opening of the sampling cavity, the door plate is opened when the drill bit rotates forward to drill into the sand cushion layer, and the door plate is closed when the drill bit rotates reversely.

2. The underwater sand cushion thickness drilling equipment according to claim 1, characterized in that: The connecting rod has an inner shaft fixedly arranged on the top end of the sampling tube, the upper end of the inner shaft is transmission-connected to the driving device, the outer side of the inner shaft is rotationally sleeved with an outer sleeve, the bottom end of the outer sleeve is fixedly provided with an outer gear, one end of the door panel is provided with a rotating shaft, the rotating shaft is rotationally connected to one end at the opening of the sampling chamber, and the upper end of the rotating shaft is provided with an inner gear meshing with the outer gear.

3. The underwater sand cushion thickness drilling equipment according to claim 2 is characterized in that: The upper and lower ends of the rotating shaft are rotatably connected to the upper and lower ends of the sampling tube respectively, and one end of the door panel is fixedly connected to the rotating shaft to form an integrated structure.

4. The underwater sand cushion thickness drilling equipment according to claim 1, characterized in that: The door plate has an arc-shaped plate matched with the sampling tube, and side plates are fixedly arranged on the upper and lower sides of the arc-shaped plate.

5. The underwater sand cushion thickness drilling equipment according to claim 1, characterized in that: A rack is arranged on one side of the stand in the vertical direction, and the lifting seat has a sliding sleeve slidably mounted on the stand. A crank is rotatably arranged on one side of the sliding sleeve, and a transmission gear meshing with the rack is mounted on the end of the crank.

6. The underwater sand cushion thickness drilling equipment according to claim 1, characterized in that: An oblique support rod is arranged between the top end of the upright frame and one end of the base frame.

7. The underwater sand cushion thickness drilling equipment according to claim 6, characterized in that: The two ends of the diagonal brace are respectively detachably fixedly connected to the vertical frame and the bottom frame through bolt and nut mechanisms.

8. The underwater sand cushion thickness drilling equipment according to claim 1, characterized in that: The driving device is a motor fixedly mounted on one side of the lifting seat, and the upper end of the connecting shaft is fixedly mounted on the end of the output shaft of the motor.

9. The underwater sand cushion thickness drilling equipment according to claim 1, characterized in that: The drill bit has a drill rod fixedly arranged at the bottom end of the sampling tube, and a spiral blade is arranged on the outer side of the drill rod.

10. The underwater sand cushion thickness drilling equipment according to claim 9, characterized in that: The bottom end of the drill rod is provided with a cone head.

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