Construction exploration device

Abstract

The invention relates to the technical field of exploration devices, and discloses a construction exploration device, comprising a sampling rod and a sampling assistant, the sampling assistant is used for assisting in releasing the sampling rod and driving the sampling rod to rotate; the sampling rod comprises a plurality of sampling support rods and a drill rod, a connection assembly for connection is provided between the plurality of sampling support rods and the drill rod, and a conical head and a conical spiral are provided at the bottom of the drill rod; the sampling direction of the sampling rod is driven by controlling the clamping pliers, thereby facilitating the sampling work of the sampling rod, reducing the space occupied when the sampling rod is taken out, and facilitating the simultaneous winding of the chain-shaped sampling rod through the sampling rod storage assembly of the exploration device, thereby effectively reducing the difficulty of using the device, facilitating direct one-time drilling, and effectively improving the sampling efficiency; at the same time, when collecting, the collection can be directly carried out, and the collection occupies a small space, thereby effectively improving the use effect of the device.

Description

Technical Field

[0001] The present invention relates to the technical field of exploration devices, in particular to a construction exploration device. Background Art

[0002] Before construction begins, it is usually necessary to survey the surrounding environment and geological conditions, and geological exploration is particularly important. The results of geological exploration directly affect the foundation structure and construction depth of the building.

[0003] During geological exploration, it is usually necessary to take soil samples from the construction site. By sampling soil layers at different depths, soil analysis can be performed to determine the soil condition.

[0004] Existing soil sampling rods usually adopt a fixed straight cylinder structure, and the sampling part thereof usually includes directly adopting a straight cylinder with a middle hole or installing a sampling component on the head. Then, the sampling rod is driven into the ground by a pile driver, and soil sampling is performed through the sampling component. Although this device can complete soil sampling and can complete soil sampling at different depths, when sampling soil at different depths, it is often necessary to perform multiple sampling operations and then save the sampling results of each time separately, resulting in low sampling efficiency and cumbersome sampling operations. Summary of the Invention

[0005] In view of the shortcomings of the existing technology, the present invention provides a construction exploration device, which has the advantages of high sampling efficiency and simple sampling operation.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A construction exploration device includes a sampling rod and a sampling auxiliary device, wherein the sampling auxiliary device is used to assist in releasing the sampling rod and driving the sampling rod to rotate;

[0008] The sampling rod includes a plurality of sampling support rods and a drill rod, and a connection assembly for connection is provided between the plurality of sampling support rods and the drill rod, and a conical head and a conical spiral are provided at the bottom of the drill rod;

[0009] The connecting ends of the plurality of sampling support rods and the drill rod are fixedly connected to connecting shaft rods, and the connecting shaft rods at both ends of any sampling support rod are deflected by 90 degrees;

[0010] Several of the connecting assemblies include a reference ring, both ends of the reference ring are movably connected to a movable block, the outside of the movable block is fixedly connected to a connecting ear plate, and the connecting ear plate is rotatably connected to the connecting shaft.

[0011] Preferably: the interior of the sampling auxiliary device is provided with a clamping clamp for clamping the sampling support rod and an auxiliary guide wheel for guiding the movement of the sampling support rod; the outside of the reference ring is provided with a flat jaw for auxiliary clamping; the clamping clamp is used to clamp the connecting component in a vertical state; the clamping clamp clamps the connecting component through the flat jaws; the sampling auxiliary device clamps the sampling support rod through the clamping clamp to drive the sampling rod to rotate; the sampling auxiliary device is installed on the sampling arm of the exploration device; the sampling arm is used to store the sampling rod in a reeled state; when the sampling auxiliary device rotates, the reeled sampling rod rotates synchronously.

[0012] Preferably: the connecting assembly includes a reference ring, thread grooves are provided on both sides of the reference ring, the shaft of the reference ring is fixedly connected to a fixing rod, the movable block is threadedly connected to the inside of the thread groove, the spiral direction of the drill bit of the drill rod is adapted to the thread direction of the thread groove, and when the drill bit of the drill rod drills downward, the rotation direction of the drill bit rod is controlled to rotate downward, and based on the threaded engagement of the movable block and the reference ring, the movable block can be rotated toward the bottom of the reference ring, the shaft of the movable block is provided with a limiting hole, and the fixing rod passes through the limiting hole, and the axial center position of the connecting end of several sampling support rods and drill rods is provided with fixing holes, and when the movable block rotates to the bottom of the reference ring, the fixing rod is inserted into the inside of the fixing hole.

[0013] Preferably: a limiting ring is provided on the outside of the fixing rod, and a limiting bolt for fixing the limiting ring is threadedly connected to the top of the fixing rod, the outer diameter of the limiting ring is larger than the aperture of the limiting hole, and the limiting ring is used to limit the maximum stroke of the movable block to deviate outward inside the reference ring. When the movable block rotates and deviates to the outermost side of the reference ring, the connecting shafts on both sides of the connecting assembly are deflected ninety degrees.

[0014] Preferably: an auxiliary spring is provided inside the reference ring, the other end of the auxiliary spring abuts against the movable block, damping grooves are evenly opened on the outside of the fixed rod, a damping block is movably connected inside the limiting hole, a damping spring is provided between the damping block and the movable block, and the damping block abuts against the outside of the damping groove.

[0015] Preferably, the length of the sampling rod is set to 10-30 cm, and a number is engraved on the outside of the sampling rod.

[0016] Preferably: a sampling cavity is provided inside the sampling support rod and the drill rod, a feed port connected to the sampling cavity is provided on the side of the sampling support rod, an eagle's beak is provided on one side of the feed port, and an isolation plate is hinged on the other side of the feed port, a reset torsion spring is provided between the sampling support rod and the isolation plate, and the reset torsion spring drives the isolation plate to abut against the eagle's beak.

[0017] Preferably, a limiting protrusion is fixedly connected to the inner side of the eagle's beak, a limiting slot is provided on the outer side of the isolation plate, and sealing pads are pasted on the contact surfaces of the limiting protrusion and the limiting slot.

[0018] Preferably, the spiral direction of the drill bit of the drill rod is opposite to the direction of the hawk's beak. When the drill bit of the drill rod drills downward, the blade of the hawk's beak faces away from the rotation direction of the sampling rod.

[0019] Beneficial effects of the present invention:

[0020] 1. The construction exploration device controls the rotation direction of the sampling rod driven by the clamping pliers, thereby facilitating the sampling work of the sampling rod, reducing the space occupied when the sampling rod is taken out, and conveniently reeling in the chain-shaped sampling rod through the sampling rod storage component of the exploration device, thereby effectively reducing the difficulty of using the device, facilitating direct one-time drilling, and directly driving the sampling rod into the ground at one time according to the required sampling depth, and then completing the synchronous sampling work, effectively improving the sampling efficiency. At the same time, when collecting, it can be directly collected, and the collection occupies a small space, thereby effectively improving the use effect of the device.

[0021] 2. The construction exploration device uses a fixed rod and a fixed hole in conjunction with each other, so that the sampling support rod drills into the ground in a fixed rod shape, thereby effectively ensuring the stability of the sampling rod drilling into the ground, avoiding position deviation of the sampling rod during sampling, or affecting the stability of the sampling rod drilling into the ground, effectively ensuring the stability of the sampling rod drilling work, and thus ensuring the stability of subsequent sampling at the construction base.

[0022] 3. The construction exploration device is provided with a limit ring and a limit bolt. When sampling is completed and the sampled soil needs to be tested, the limit bolt can be controlled to disengage the limit bolt from the fixed rod, and then the movable block can be rotated to disengage the movable block from the threaded groove, thereby separating the sampling support rod and the reference ring. Several sampling support rods can be disassembled in sequence, and the depth position of the soil inside the sampling support rod can be determined according to the numbers on the surfaces of the sampling support rods, thereby further improving the practicality and portability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a partial schematic diagram of the sampling part of the present invention;

[0024] Figure 2 This is a schematic diagram of the positions and connections of the local sampling rod, clamping pliers and auxiliary guide wheel of the present invention;

[0025] Figure 3 This is a schematic diagram of the sampling rod of the present invention;

[0026] Figure 4 This is a schematic diagram of the connection state of several sampling rods of the present invention;

[0027] Figure 5 This is a schematic diagram of a single sampling rod of the present invention;

[0028] Figure 6 This is a schematic diagram of the connection assembly of the present invention;

[0029] Figure 7 This is a schematic diagram of the exploded state of the connection assembly of the present invention;

[0030] Figure 8 It is a partial cross-sectional schematic diagram of the connection assembly of the present invention;

[0031] Figure 9 This is a schematic transverse cross-sectional view of the sampling support rod of the present invention;

[0032] Figure 10 For the present invention Figure 9 An enlarged schematic diagram of part A.

[0033] In the figure: 1, sampling rod; 2, sampling auxiliary device; 3, connecting assembly; 4, flat jaws; 11, sampling support rod; 12, drill rod; 13, fixing hole; 14, connecting shaft;

[0034] 111, sampling cavity; 112, hawk's beak; 113, isolation plate; 114, limiting protrusion; 115, limiting slot;

[0035] 21. Clamping pliers; 22. Auxiliary guide wheel;

[0036] 31. Reference ring; 32. Fixing rod; 33. Threaded groove; 34. Movable block; 35. Limiting hole; 36. Connecting ear plate; 37. Limiting ring; 38. Limiting bolt; 39. Auxiliary spring; 310. Damping groove; 311. Damping block; 312. Damping spring. DETAILED DESCRIPTION

[0037] In order to enable those skilled in the art to better understand the technical solutions in this application, the technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making any creative efforts shall fall within the scope of protection of the present invention.

[0038] Example 1

[0039] See also Figure 1 - Figure 6 , a construction exploration device, comprising a sampling rod 1 and a sampling auxiliary device 2, the sampling auxiliary device 2 being used to assist in releasing the sampling rod 1 and driving the sampling rod 1 to rotate;

[0040] The sampling rod 1 includes a plurality of sampling support rods 11 and a drill rod 12. A connecting assembly 3 for connecting the plurality of sampling support rods 11 and the drill rod 12 is provided. The bottom of the drill rod 12 is provided with a conical head and a conical spiral.

[0041] The connecting assembly 3 is used to keep the two adjacent sampling rods 11 from deflecting. The plurality of sampling rods 11 are connected in a chain-like manner. The exploration device is provided with a storage wheel for storing the plurality of sampling rods 11.

[0042] The connecting ends of the plurality of sampling rods 11 and the drill rod 12 are fixedly connected to the side surfaces thereof with connecting shafts 14, and the connecting shafts 14 at both ends of any sampling rod 11 are deflected 90 degrees;

[0043] The connecting components 3 include a reference ring 31 , both ends of which are movably connected to movable blocks 34 , the exterior of the movable blocks 34 being fixedly connected to connecting lugs 36 , and the connecting lugs 36 are rotatably connected to the connecting shaft 14 .

[0044] In an optional embodiment, the length of the sampling rod 11 is set to 10 to 30 cm, and a number is engraved on the outside of the sampling rod 11.

[0045] It should be noted that the number of sampling rods 11 driven into the ground is determined by numbering, and the drilling depth is determined by the number of sampling rods 11 driven into the ground.

[0046] In an optional embodiment: the interior of the sampling auxiliary device 2 is provided with a clamping clamp 21 for clamping the sampling support rod 11 and an auxiliary guide wheel 22 for guiding the movement of the sampling support rod 11, the outside of the reference ring 31 is provided with a flat jaw 4 for auxiliary clamping, the clamping clamp 21 is used to clamp the connecting component 3 in a vertical state, the clamping clamp 21 clamps the connecting component 3 through the flat jaw 4, the sampling auxiliary device 2 clamps the sampling support rod 11 through the clamping clamp 21 to drive the sampling rod 1 to rotate, the sampling auxiliary device 2 is installed on the sampling arm of the exploration device, the sampling arm is used to store the sampling rod 1 in a rolled-up state, and when the sampling auxiliary device 2 rotates, the rolled-up sampling rod 1 rotates synchronously.

[0047] It should be noted that the sampling arm is provided with a pump pressure device, which can drive the vertical sampling support rod 11 to rotate around the axis of the sampling support rod 11. At the same time, the sampling arm can pump the sampling support rod 11 to move downward, that is, the sampling arm drives the vertical sampling support rod 11 to rotate and drill downward into the construction base (the sampling arm has a simple function and belongs to the existing conventional technology. It is only used to drive the sampling rod 1 to drill into the ground for sampling, so it is not shown in the figure).

[0048] refer to Figure 2It should be noted that the clamping forceps 21 clamp the connecting assembly 3 in the vertical state, the clamping forceps 21 clamps the outside of the reference ring 31, and the clamping forceps 21 clamps the outside of the flat jaws 4, thereby conveniently driving the sampling support rod 11 in the vertical state to rotate.

[0049] It should be noted that, when the clamping clamp 21 clamps the reference ring 31 and drives the sampling rod 11 in the vertical state to rotate, the sampling rod 11 at the bottom of the clamping clamp 21 rotates around its own axis, and the sampling rod 11 above the clamping clamp 21 is in a tilted state at this time, and the sampling rod 11 above the clamping clamp 21 follows the clamping clamp 21 and the auxiliary guide wheel 22 to rotate around the axis of the sampling rod 11 in the vertical state.

[0050] During the sampling process, the sampling support rod 11 is extended, and the extended sampling support rod 11 and the drill rod 12 are manually controlled to be in a vertical state, and the bottom of the drill rod 12 is made to contact the ground. At this time, the clamping pliers 21 are controlled to clamp the outside of the reference ring 31 through the flat jaws 4, and then the sampling arm is controlled to drive the sampling support rod 11 in the vertical state to rotate and move downward, so that the vertical sampling support rod 11 is gradually drilled into the ground. When the sampling arm moves to the bottom, the sampling arm is controlled to move upward, and the clamping pliers 21 are controlled to release the clamping reference ring 31. The sampling rod 1 storage assembly of the sampling arm releases the sampling support rod 11 at the same time, and the sampling support rod 11 is released through the auxiliary guide wheel 22. When released, the sampling support rod 11 is in a vertical state. When the sampling arm moves to the top, the clamping pliers 21 are controlled again to clamp the reference ring 31.

[0051] Repeat the above-mentioned actions to allow the sampling rod 1 to gradually drill into the ground, facilitating subsequent sampling work of the sampling rod 1 .

[0052] Example 2

[0053] refer to Figure 1-Figure 7 , a construction exploration device, comprising a sampling rod 1 and a sampling auxiliary device 2, the sampling auxiliary device 2 being used to assist in releasing the sampling rod 1 and driving the sampling rod 1 to rotate;

[0054] The sampling rod 1 includes a plurality of sampling support rods 11 and a drill rod 12. A connecting assembly 3 for connecting the plurality of sampling support rods 11 and the drill rod 12 is provided. The bottom of the drill rod 12 is provided with a conical head and a conical spiral.

[0055] The connecting assembly 3 is used to keep the two adjacent sampling rods 11 from deflecting. The plurality of sampling rods 11 are connected in a chain-like manner. The exploration device is provided with a storage wheel for storing the plurality of sampling rods 11.

[0056] The connecting ends of the plurality of sampling rods 11 and the drill rod 12 are fixedly connected to the side surfaces thereof with connecting shafts 14, and the connecting shafts 14 at both ends of any sampling rod 11 are deflected 90 degrees;

[0057] The connecting components 3 include a reference ring 31 , both ends of which are movably connected to movable blocks 34 , the exterior of the movable blocks 34 being fixedly connected to connecting lugs 36 , and the connecting lugs 36 are rotatably connected to the connecting shaft 14 .

[0058] On the basis of the first embodiment, the connecting assembly 3 is provided with a sampling rod 11 for fixing the vertical state, specifically:

[0059] In an optional embodiment: the connecting assembly 3 includes a reference ring 31, and thread grooves 33 are provided on both sides of the reference ring 31. The shaft of the reference ring 31 is fixedly connected to a fixing rod 32, and a movable block 34 is threadedly connected to the inside of the thread groove 33. The spiral direction of the drill bit of the drill rod 12 is adapted to the thread direction of the thread groove 33. When the drill bit of the drill rod 12 drills downward, the rotation direction of the drill bit rod 12 is controlled to rotate downward. Based on the threaded engagement of the movable block 34 and the reference ring 31, the movable block 34 can be rotated toward the bottom of the reference ring 31. A limiting hole 35 is provided on the shaft of the movable block 34, and the fixing rod 32 passes through the limiting hole 35. The axial center position of the connecting end of the sampling support rods 11 and the drill rod 12 is provided with a fixing hole 13. When the movable block 34 rotates to the bottom of the reference ring 31, the fixing rod 32 is inserted into the inside of the fixing hole 13.

[0060] It should be noted that when the fixing rod 32 is inserted into the fixing hole 13, the reference ring 31 and the sampling support rod 11 maintain their axial centerlines in a collinear state, and when the fixing rods 32 on both sides of the reference ring 31 are respectively inserted into the fixing holes 13 of the sampling support rods 11 on both sides, the sampling support rods 11 on both sides are connected in a chain-like manner to form an integrated rod-like structure.

[0061] Specifically:

[0062] refer to Figure 2 During the sampling process, the drill rod 12 needs to be driven to drill into the ground. When the clamping pliers 21 clamps the reference ring 31 and rotates, the drill rod 12 and the sampling support rods 11 in the underground part are in contact with the soil, resulting in a large friction resistance. Therefore, when the sampling support rods 11 rotate, the friction force provides resistance in the opposite direction, and the sampling support rod 11 located at the clamped and embedded reference ring 31 and the bottom reference ring 31 thereof will rotate relative to each other, so that any adjacent sampling support rod 11 and the reference ring 31 can rotate through the thread groove 33 and the movable block 34. The movable block 34 and the thread groove 33 that are threadedly engaged rotate relative to each other, so that the movable block 34 moves into the inside of the thread groove 33, that is, the sampling support rod 11 moves into the inside of the thread groove 33, so that the fixing hole 13 is inserted into the outside of the fixing rod 32.

[0063] When the clamping pliers 21 are continuously rotated, a combination of rod-shaped shapes of several sampling support rods 11 can be completed. If the sampling support rod 11 is continued to be rotated, the sampling support rod 11 will drill into the ground in a fixed rod-shaped shape, thereby effectively ensuring the stability of the sampling rod 1 drilling into the ground, avoiding position deviation of the sampling rod 1 during sampling, or affecting the stability of the sampling rod 1 drilling into the ground, effectively ensuring the stability of the sampling rod 1 in drilling, and thus ensuring the stability of subsequent sampling at the construction base.

[0064] When the sampling rod 1 is pulled out, the clamping pliers 21 are controlled to rotate the sampling rod 1 in the opposite direction, so that the sampling support rods 11 and the reference ring 31 rotate in the opposite direction. Similarly, the movable block 34 moves away from the thread groove 33 under the action of rotation, so that the fixing rod 32 is disengaged from the fixing hole 13, thereby ensuring that the sampling rod 1 is restored to the chain structure when it is taken out, thereby facilitating the sampling work of the sampling rod 1, reducing the space occupied when the sampling rod 1 is taken out, and conveniently winding up the chain-shaped sampling rod 1 at the same time through the sampling rod 1 storage assembly of the exploration device, thereby effectively reducing the difficulty of using the device, facilitating direct one-time drilling, and directly driving the sampling rod 1 into the ground at one time according to the required sampling depth, and then completing the synchronous sampling work, effectively improving the sampling efficiency. At the same time, when collecting, it can be directly collected, and the collection occupies a small space, thereby effectively improving the use effect of the device.

[0065] A limiting ring 37 is provided on the outside of the fixed rod 32, and a limiting bolt 38 for fixing the limiting ring 37 is threadedly connected to the top of the fixed rod 32. The outer diameter of the limiting ring 37 is larger than the aperture of the limiting hole 35. The limiting ring 37 is used to limit the maximum stroke of the movable block 34 to deviate outward inside the reference ring 31. When the movable block 34 rotates and deviates to the outermost side of the reference ring 31, the connecting shafts 14 on both sides of the connecting assembly 3 are deflected ninety degrees.

[0066] It should be noted that the limiting ring 37 is used to control the axial movement position of the movable block 34 . The limiting ring 37 is used to prevent the movable block 34 from being dislocated from the thread groove 33 , and is used to ensure the stability of the entire sampling rod 1 structure.

[0067] When sampling is completed and the sampled soil needs to be tested, the limiting bolt 38 can be controlled to disengage the limiting bolt 38 from the fixed rod 32, and then the movable block 34 can be rotated to disengage the movable block 34 and the threaded groove 33, thereby separating the sampling support rod 11 and the reference ring 31.

[0068] Through the above operation, during soil testing, several sampling rods 11 can be disassembled in sequence, and the depth position of the soil inside the sampling rods 11 can be determined according to the numbers on the surfaces of the sampling rods 11, thereby further improving the practicality and portability of the device.

[0069] Example 3

[0070] refer to Figure 8 On the basis of the second embodiment, the damping of the movable block 34 spirally entering the thread groove 33 is increased. Specifically, an auxiliary spring 39 is provided inside the reference ring 31, and the other end of the auxiliary spring 39 abuts the movable block 34. Damping grooves 310 are evenly opened on the outside of the fixed rod 32. A damping block 311 is movably connected inside the limiting hole 35. A damping spring 312 is provided between the damping block 311 and the movable block 34, and the damping block 311 abuts the outside of the damping groove 310.

[0071] It should be noted that by setting the interaction between the damping block 311 and the damping groove 310, as well as the action of the auxiliary spring 39, the thread rotation damping of the movable block 34 and the thread groove 33 is increased, thereby preventing the fixing rod 32 from easily combining with or separating from the fixing hole 13, thereby increasing the overall stability of the structure.

[0072] Example 4

[0073] refer to Figure 5 、 Figure 9 and Figure 10 , a construction exploration device, comprising a sampling rod 1 and a sampling auxiliary device 2, the sampling auxiliary device 2 being used to assist in releasing the sampling rod 1 and driving the sampling rod 1 to rotate;

[0074] The sampling rod 1 includes a plurality of sampling support rods 11 and a drill rod 12. A connecting assembly 3 for connecting the plurality of sampling support rods 11 and the drill rod 12 is provided. The bottom of the drill rod 12 is provided with a conical head and a conical spiral.

[0075] The connecting assembly 3 is used to keep the two adjacent sampling rods 11 from deflecting. The plurality of sampling rods 11 are connected in a chain-like manner. The exploration device is provided with a storage wheel for storing the plurality of sampling rods 11.

[0076] The connecting ends of the plurality of sampling rods 11 and the drill rod 12 are fixedly connected to the side surfaces thereof with connecting shafts 14, and the connecting shafts 14 at both ends of any sampling rod 11 are deflected 90 degrees;

[0077] The connecting components 3 include a reference ring 31 , both ends of which are movably connected to movable blocks 34 , the exterior of the movable blocks 34 being fixedly connected to connecting lugs 36 , and the connecting lugs 36 are rotatably connected to the connecting shaft 14 .

[0078] In an optional embodiment: a sampling cavity 111 is provided inside the sampling support rod 11 and the drill rod 12, a feed port connected to the sampling cavity 111 is provided on the side of the sampling support rod 11, an eagle's beak 112 is provided on one side of the feed port, and an isolation plate 113 is hinged on the other side of the feed port, a reset torsion spring is provided between the sampling support rod 11 and the isolation plate 113, and the reset torsion spring drives the isolation plate 113 to abut against the eagle's beak 112.

[0079] It should be noted that the tail end of the eagle's beak 112 is configured as an elastic metal piece, and the eagle's beak 112 can be deflected outward by 5° to 10°.

[0080] The inner side of the eagle beak 112 is fixedly connected to a limiting protrusion 114 , the outer side of the isolation plate 113 is provided with a limiting slot 115 , and the contact surfaces of the limiting protrusion 114 and the limiting slot 115 are both pasted with sealing pads.

[0081] The spiral direction of the drill bit of the drill rod 12 is opposite to the direction of the hawk's beak 112 . When the drill bit of the drill rod 12 drills downward, the blade of the hawk's beak 112 faces opposite to the rotation direction of the sampling rod 1 .

[0082] It should be noted that the sampling rod 11 consists of two parts, including a main body and a detachable head. The main body and the head can be fixed by a clamp. When the main body and the head of the sampling rod 11 are connected, they cannot rotate relative to each other.

[0083] During the sampling process, when several sampling rods 11 are drilling into the ground, since the spiral direction of the drill bit of the drill rod 12 is opposite to the direction of the hawk's beak 112, when the sampling rod 11 rotates into the ground, the soil in the drill hole will not enter the interior of the sampling rod 11. At the same time, when the sampling rod 11 reaches the specified depth, the sampling rod 11 is controlled to reverse at the same time, so that the hawk's beak 112 of the sampling rod 11 can hoe the soil layer on the side of the drill hole and gradually enter the interior of the sampling rod 11. When the sampling is completed, due to the expansion of the borehole and the rotation damping provided between the movable block 34 and the fixed rod 32, the sampling rod 11 can be reversed again to 15°~30° without causing the fixed rod 32 to be stuck with the fixed hole 13, thereby facilitating the extraction of several sampling rods 11 and keeping the sampling cavities 111 inside the several sampling rods 11 restored to a sealed state.

[0084] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A construction exploration device, comprising a sampling rod (1) and a sampling auxiliary device (2), characterized in that: The sampling assistant (2) is used to assist in releasing the sampling rod (1) and drive the sampling rod (1) to rotate; the sampling rod (1) comprises a plurality of sampling support rods (11) and a drill rod (12); a connection assembly (3) for connection is provided between the plurality of sampling support rods (11) and the drill rod (12); a conical head and a conical spiral are provided at the bottom of the drill rod (12); a connecting shaft (14) is fixedly connected to the side of the connecting end of the plurality of sampling support rods (11) and the drill rod (12); the connecting shaft (14) at both ends of any sampling support rod (11) is arranged to be deflected by ninety degrees; a plurality of the connection assemblies (3) comprise a reference ring (31); both ends of the reference ring (31) are movably connected to a movable block (34); the outside of the movable block (34) is fixedly connected to a connecting ear plate (36); the connecting ear plate (36) and the connecting shaft rod (14) are rotatably connected; The reference ring (31) has thread grooves (33) on both sides, the shaft of the reference ring (31) is fixedly connected to a fixing rod (32), the movable block (34) is threadedly connected inside the thread groove (33), the drill bit spiral direction of the drill rod (12) matches the thread direction of the thread groove (33), based on the threaded engagement of the movable block (34) and the reference ring (31), the movable block (34) can be rotated toward the bottom of the reference ring (31), the shaft of the movable block (34) is provided with a limiting hole (35), the fixing rod (32) passes through the limiting hole (35), the connecting end of the sampling support rod (11) and the drill rod (12) is provided with a fixing hole (13) at the axial center position, and when the movable block (34) rotates to the bottom of the reference ring (31), the fixing rod (32) is inserted into the fixing hole (13); A limit ring (37) is arranged outside the fixing rod (32), and a limit bolt (38) for fixing the limit ring (37) is threadedly connected to the top of the fixing rod (32). The outer diameter of the limit ring (37) is larger than the diameter of the limit hole (35). The limit ring (37) is used to limit the maximum travel of the movable block (34) to deviate outwards inside the reference ring (31). When the movable block (34) rotates and deviates to the outermost side of the reference ring (31), the connecting shafts (14) on both sides of the connecting assembly (3) are deflected by ninety degrees.

2. A construction exploration device according to claim 1, characterized in that: The sampling auxiliary device (2) is provided with a clamping forceps (21) for clamping the sampling support rod (11) and an auxiliary guide wheel (22) for guiding the sampling support rod (11) to move. The reference ring (31) is provided with an auxiliary clamping flat jaw (4) on the outside. The clamping forceps (21) are used to clamp the connecting component (3) in a vertical state. The clamping forceps (21) clamp the connecting component (3) through the flat jaw (4). The sampling auxiliary device (2) clamps the sampling support rod (11) through the clamping forceps (21) to drive the sampling rod (1) to rotate. The sampling auxiliary device (2) is installed on a sampling arm of the exploration device. The sampling arm is used to store the sampling rod (1) in a rolled-up state. When the sampling auxiliary device (2) rotates, the rolled-up sampling rod (1) rotates synchronously.

3. A construction exploration device according to claim 2, characterized in that: An auxiliary spring (39) is arranged inside the reference ring (31), and the other end of the auxiliary spring (39) abuts against the movable block (34). Damping grooves (310) are evenly arranged on the outside of the fixed rod (32). A damping block (311) is movably connected inside the limiting hole (35). A damping spring (312) is arranged between the damping block (311) and the movable block (34), and the damping block (311) abuts against the outside of the damping groove (310).

4. A construction exploration device according to claim 3, characterized in that: The length of the sampling support rod (11) is set to 10 to 30 cm, and a number is engraved on the outside of the sampling support rod (11).

5. A construction exploration device according to claim 4, characterized in that: The sampling support rod (11) and the drill rod (12) are both provided with a sampling cavity (111) inside, and a feed port connected to the sampling cavity (111) is provided on the side of the sampling support rod (11), a beak opening (112) is provided on one side of the feed port, and an isolation plate (113) is hingedly connected to the other side of the feed port, and a reset torsion spring is provided between the sampling support rod (11) and the isolation plate (113), and the reset torsion spring drives the isolation plate (113) to abut against the beak opening (112).

6. A construction exploration device according to claim 5, characterized in that: A limiting protrusion (114) is fixedly connected to the inner side of the beak (112), a limiting slot (115) is provided on the outer side of the isolation plate (113), and sealing rubber pads are adhered to the contact surfaces of the limiting protrusion (114) and the limiting slot (115).

7. A construction exploration device according to claim 6, characterized in that: The spiral direction of the drill bit of the drill rod (12) is opposite to the direction of the hawk's beak (112); when the drill bit of the drill rod (12) drills downward, the blade of the hawk's beak (112) faces in the opposite direction to the rotation direction of the sampling rod (1).

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