CN116065555A

CN116065555A - Sampling device for highway subgrade detection

Info

Publication number: CN116065555A
Application number: CN202310278230.3A
Authority: CN
Inventors: 韩祥轩; 徐艳华; 李建永; 李克宇; 张传堂; 武向东; 刁俊才; 宋文永
Original assignee: Shandong Luzhong Highway Municipal Inspection Co ltd
Current assignee: Shandong Luzhong Highway Municipal Inspection Co ltd
Priority date: 2023-03-21
Filing date: 2023-03-21
Publication date: 2023-05-05

Abstract

The invention relates to the technical field of roadbed detection, in particular to a sampling device for highway roadbed detection. The beneficial effects are as follows: the sampling equipment designed by the invention can press the sampling pipe into the foundation through the cooperation of the worm gear lifter and the main push rod, and simultaneously reduces the pressing difficulty through the drill bit and the rotating pipe, so that the interference on the sample core entering the sampling pipe is smaller, the sampling pipe can be rotated to one side of the frame through the steering motor after sampling, and then the sample core is pushed out through the push rod, thereby greatly improving the speed of taking off the sample core by an operator, and the humidity of the sample can be detected on site after sampling is finished and then the sample can be stored, so that the detection accuracy of the sample can be ensured to the greatest extent.

Description

Sampling device for highway subgrade detection

Technical Field

The invention relates to the technical field of roadbed detection, in particular to a sampling device for highway roadbed detection.

Background

The quality of highway subgrade will directly influence the life of highway, consequently need gather the aassessment to humidity, compactness etc. information in the road bed at any time in the in-process of highway subgrade construction, this just needs to take a sample to highway subgrade, traditional sampling process mainly adopts equipment such as spade to take a sample, this just leads to the sampling depth great time need to carry out great degree destruction to the road bed, later stage refill compaction comparatively difficult.

The Chinese patent with the patent number of CN216349668U is a sandy clay roadbed detection sampling device, adopts a hollow drill bit to drill and take samples, but the sampling mode has certain destructiveness to the sample core, and is easy to cause the sample core to be cracked, so that the accuracy is influenced when the compactness of the roadbed is detected subsequently, after the equipment is used for sampling, an operator is difficult to directly and quickly obtain the sample core, and the sample core is manually dug out from a sampling rod, so that the device is inconvenient to use.

If the novel sampling device for continuously and rapidly sampling the sample core according to the positions of different depths is provided, the problems can be effectively solved, and the sampling device for detecting the highway subgrade is provided.

Disclosure of Invention

The invention aims to provide a sampling device for detecting highway subgrade, which is used for solving the problems in the background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions: a sampling device for highway subgrade detection, the sampling device comprising:

the device comprises a frame, wherein a mounting frame is fixedly arranged on the frame, a steering motor is fixedly arranged on the mounting frame, a guide seat is driven at the output end of the steering motor, a guide rail is arranged in the guide seat, a driving motor is fixedly arranged at the lower end of the frame, wheels are arranged at the output end of the driving motor, a tool box for placing a sampling tool is fixedly arranged on the frame, a sample storage box for placing a sampled sample is fixedly arranged on the frame, a pushing frame is arranged at the front end of the frame, and fixing devices for fixing the frame are arranged at four corners of the frame;

the movable seat is slidably mounted on a guide rail of the guide seat, a worm gear and worm lifter for driving the movable seat to move up and down along the guide rail is fixedly mounted on the guide seat, a main push rod is fixedly mounted on the movable seat, an output end of the main push rod is provided with a mounting plate, a rotating motor is fixedly mounted on the mounting plate, an output end of the rotating motor is provided with a driving wheel, a sampling tube is fixedly mounted on the mounting plate, a rotating tube sleeved outside the sampling tube is rotatably mounted on the mounting plate, a gear ring meshed with the driving wheel is integrally formed at the upper end of the rotating tube, a hollow drill bit is fixedly mounted at the bottom of the rotating tube, an ejection push rod is fixedly mounted on the mounting plate, and an ejection plate positioned inside the sampling tube is driven at the output end of the ejection push rod;

the controller is fixedly arranged on the pushing frame, a humidity detector for detecting the humidity in the sample is fixedly arranged on the sample storage box, and the controller is electrically connected with the energy storage device, the main push rod, the driving motor, the steering motor, the worm gear lifter, the rotating motor and the ejection push rod respectively.

Preferably, the fixing device comprises a fixed push rod fixedly installed with the frame, the fixed push rod is electrically connected with the controller, the output end of the fixed push rod is driven to be used for jacking a supporting plate at the upper end of the roadbed, and the lower end of the supporting plate is fixedly provided with an inserting protrusion for inserting the roadbed.

Preferably, a temperature detection sensor for detecting the internal temperature of the sample storage box is fixedly installed on the sample storage box, a heater and a semiconductor refrigerating sheet are arranged in the sample storage box, and the heater, the semiconductor refrigerating sheet and the temperature detection sensor are electrically connected with the controller.

Preferably, the pushing frame is fixedly provided with a traction connecting seat which is convenient for an external vehicle to traction through a traction rope, and the side surface of the mounting frame is fixedly provided with a side surface handle which is convenient for pushing the frame from the side surface.

Preferably, the front and rear ends of the frame are provided with counterweight seats for placing the counterweights, and the inner walls of the counterweight seats are provided with buffer rubber pads for preventing the counterweights from being impacted.

Preferably, the left and right sides of frame all fixed mounting has the standing board that makes things convenient for the operator to stand, and fixed mounting has the handrail post that makes things convenient for the operator to hold on the mounting bracket.

Preferably, the camera is fixedly installed on the mounting plate, the display is fixedly installed at the upper end of the pushing frame, and the camera and the display are electrically connected with the controller.

Preferably, the main push rod and the ejection push rod are single-rod double-acting hydraulic push rods or ball screw rod type electric push rods, and the steering motor and the rotating motor are stepping motors.

Preferably, the controller is a PLC controller, and the energy storage device is a lithium battery pack.

Preferably, the auxiliary pulling support is arranged on the pushing frame, the hinging pipe is hinged to the auxiliary pulling support, the inserting rod is slidably mounted in the hinging pipe, the inserting rod is fixed with the hinging pipe through a bolt, the tail end of the inserting rod is fixedly provided with a handle ring which is convenient to pull in a handheld mode, and the handle ring is provided with an anti-slip rubber sheath.

Compared with the prior art, the invention has the beneficial effects that:

the sampling equipment designed by the invention can press the sampling pipe into the foundation through the cooperation of the worm and gear lifter and the main push rod, and simultaneously reduces the pressing difficulty through the drill bit and the rotating pipe, so that the interference on the sample core entering the sampling pipe is smaller, the sampling pipe can be rotated to one side of the frame through the steering motor after sampling, and then the sample core is pushed out through the push rod, thereby greatly improving the speed of taking off the sample core by an operator, and the humidity of the sample can be detected on site after the sampling is finished and then the sample is stored, thereby ensuring the detection accuracy of the sample to the greatest extent, and simultaneously, the device can continuously sample the same point, thereby obtaining the sample cores with different depths, and having high practical value.

Drawings

FIG. 1 is a schematic structural diagram of embodiment 1 of the present invention;

FIG. 2 is a side view of the structure of embodiment 1 of the present invention;

FIG. 3 is a schematic view showing the installation of a sampling tube according to embodiment 1 of the present invention;

FIG. 4 is a sectional view showing the installation of a coupon according to embodiment 1 of the present invention;

fig. 5 is a schematic structural diagram of embodiment 2 of the present invention.

In the figure: 1. a frame; 2. a fixing device; 201. fixing the push rod; 202. a support plate; 203. inserting the protrusion; 3. auxiliary pulling of the bracket; 301. a hinged tube; 302. an insertion rod; 303. a handle ring; 4. a wheel; 5. an energy storage device; 6. a tool box; 7. a side handle; 8. a standing board; 9. a temperature detection sensor; 10. a semiconductor refrigeration sheet; 11. a heater; 12. a sample storage tank; 13. a humidity detector; 14. a handrail column; 15. a main push rod; 16. a guide rail; 17. a guide seat; 18. a display; 19. a controller; 20. a pushing frame; 21. traction connection seat; 22. a gear ring; 23. a counterweight seat; 24. a driving motor; 25. a steering motor; 26. a mounting frame; 27. a worm gear lifter; 28. a movable seat; 29. a rotating electric machine; 30. a driving wheel; 31. ejecting the push rod; 32. a mounting plate; 33. a camera; 34. an ejector plate; 35. a sampling tube; 36. a rotary tube; 37. a drill bit.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. Based on the technical solutions of the present invention, all other embodiments obtained by a person skilled in the art without making any creative effort fall within the protection scope of the present invention.

Example 1

Referring to fig. 1 to 4, the present invention provides a technical solution: a sampling device for highway subgrade detection, the sampling device comprising:

referring to fig. 1 and 2, a frame 1, a mounting frame 26 is fixedly mounted on the frame 1, a steering motor 25 is fixedly mounted on the mounting frame 26, a guide seat 17 is driven at the output end of the steering motor 25, a guide rail 16 is arranged in the guide seat 17, a driving motor 24 is fixedly mounted at the lower end of the frame 1, a wheel 4 is mounted at the output end of the driving motor 24, the driving motor 24 drives the wheel to rotate so as to drive the sampling device to advance or retreat, thereby operating to a designated sampling position, a tool box 6 for placing sampling tools is fixedly mounted on the frame 1, a sample storage box 12 for placing samples after sampling is fixedly mounted on the frame 1, a temperature detection sensor 9 for detecting the internal temperature of the sample storage box 12 is fixedly mounted on the sample storage box 12, a heater 11 and a semiconductor refrigerating sheet 10 are arranged in the sample storage box 12, the heater 11, the semiconductor refrigerating sheet 10 and the temperature detection sensor 9 are all electrically connected with the controller 19, the pushing frame 20 is arranged at the front end of the frame 1, the fixing device 2 for fixing the frame 1 is arranged at four corners of the frame 1, the fixing device 2 comprises a fixing push rod 201 fixedly arranged with the frame 1, the fixing push rod 201 is electrically connected with the controller 19, the output end of the fixing push rod 201 is driven with a supporting plate 202 for pushing against the upper end of a roadbed, the lower end of the supporting plate 202 is fixedly provided with an inserting protrusion 203 for inserting the roadbed, the pushing frame 20 is fixedly provided with a traction connecting seat 21 which is convenient for an external vehicle to pull through a traction rope, the side surface of the mounting frame 26 is fixedly provided with a side handle 7 which is convenient for pushing the frame 1 from the side surface, the front end and the rear end of the frame 1 are respectively provided with a counterweight seat 23 for placing a counterweight, the inner wall of the counterweight seat 23 is provided with a buffer rubber pad for preventing the counterweight from being impacted, the left side and the right side of the frame 1 are fixedly provided with standing plates 8 which are convenient for an operator to stand, and the mounting frame 26 is fixedly provided with a handrail column 14 which is convenient for the operator to hold;

referring to fig. 1 to 4, a movable seat 28, the movable seat 28 is slidably mounted on a guide rail 16 of a guide seat 17, a worm gear lifter 27 for driving the movable seat 28 to move up and down along the guide rail 16 is fixedly mounted on the guide seat 17, a main push rod 15 is fixedly mounted on the movable seat 28, an output end of the main push rod 15 is driven by a mounting plate 32, a rotating motor 29 is fixedly mounted on the mounting plate 32, an output end of the rotating motor 29 is driven by a driving wheel 30, a sampling tube 35 is fixedly mounted on the mounting plate 32, a rotating tube 36 sleeved outside the sampling tube 35 is rotatably mounted on the mounting plate 32, a gear ring 22 meshed with the driving wheel 30 is integrally formed at the upper end of the rotating tube 36, a hollow drill bit 37 is fixedly mounted at the bottom of the rotating tube 36, an ejection push rod 31 is fixedly mounted on the mounting plate 32, and an ejection plate 34 positioned inside the sampling tube 35 is driven by the output end of the ejection push rod 31;

referring to fig. 1 to 4, a controller 19 is shown, the controller 19 is fixedly mounted on a pushing frame 20, a humidity detector 13 for detecting humidity in a sample is fixedly mounted on a sample storage box 12, the controller 19 is electrically connected with an energy storage device 5, a main push rod 15, a driving motor 24, a steering motor 25, a worm gear lifter 27, a rotating motor 29 and an ejection push rod 31 respectively, a camera 33 is fixedly mounted on a mounting plate 32, a display 18 is fixedly mounted at the upper end of the pushing frame 20, the camera 33 and the display 18 are electrically connected with the controller 19, the main push rod 15 and the ejection push rod 31 are single-rod double-acting hydraulic push rods or ball screw type electric push rods, the steering motor 25 and the rotating motor 29 are stepper motors, the controller 19 is a PLC controller, and the energy storage device 5 is a lithium battery pack.

In use, the sampling device designed in this embodiment is first towed to a designated road section by an external vehicle, then manually held by the pusher carriage 20 and driven by the drive motor 24 to move the device to a designated sampling position, and the operator can also capture images via the camera 33 and then observe on the display 18 whether the sampling position is accurate. Then fixed push rod 201 drive backup pad 202 moves down for backup pad 202 can the roof pressure on the road bed, and insert protruding 203 and insert the road bed inside, thereby make the unsettled position that avoids disturbing frame 1 of wheel 4, thereby fix frame 1 in this place temporarily, then worm gear lift 27 drives and removes seat 28 downstream, make drill bit 37 can laminate on the road bed, then rotating electrical machines 29 begins to drive rotation pipe 36 rotation, simultaneously main push rod 15 promotes rotation pipe 36 downwards and gets into in the road bed, soil material in the road bed gets into sampling tube 35 this moment, and the rotation of drill bit 37 then can be with the soil material brill loose of sampling tube 35 next door, make things convenient for sampling tube 35 to be lighter by down pressing, sample core in the entering sampling tube 35 will bear less pressure like this, be difficult to disturb subsequent compactness detection structure, simultaneously sampling tube 35 also can effectually keep apart the soil material that is taken a sample core, simultaneously the sample core that gets into sampling tube 35 itself can not be disturbed by rotation of rotation pipe 36, consequently, make the disturbance of sampling process to the sample core be less, make the sample tube 1 more accurate and guarantee that the sample column 1 is taken a sample in the frame 1 if the sample can be more accurately, the weight is stood up by the corresponding device when the frame 1 in the frame is more, the higher in the time, the quality of the sample column can be more well be increased, the sample 1 can be easily in the frame is taken a sample on the frame, the frame is more convenient, the sample 1, the weight can be easily in the sample stand on the frame is easy if the weight is increased. After the sample is sampled to the appointed depth, the main push rod 15 is pulled back upwards, the sample core is left in the sampling tube 35 and is removed, then the rotating motor 29 stops rotating, the movable seat 28 is lifted to the highest end, then the steering motor 25 drives the guide seat 17 to rotate, the bottom of the sampling tube 35 is rotated to the side face of the frame, then the sample core positioned in the sampling tube 35 is pushed out by the push rod 31, a collector receives the sample core by using a container, when the sampling depth is deeper, the sampling depth sampling that the sampling is continuously increased at the same place can be adopted, thus the sample core is not easy to be clamped in the sampling tube 35 or is difficult to be discharged and is compacted by the push rod 31 to interfere with the subsequent detection structure each time. When the operator receives the sample core, the humidity detector 13 can be used to detect the humidity of the sample core in the field, then the sample core is stored in the sample storage box 12 to wait for the subsequent detection, after the sampling is completed, the fixing device 2 returns to the original position, the sampling device can enter the next sampling position until all samples are completely sampled, and then the samples are sent to the detection place for further detection.

Example 2

Referring to fig. 5, compared with the sampling device designed in embodiment 1, in this embodiment, an auxiliary pulling bracket 3 is further disposed on the pushing frame 20, a hinged tube 301 is hinged on the auxiliary pulling bracket 3, an insertion rod 302 is slidably mounted in the hinged tube 301, the insertion rod 302 is fixed to the hinged tube 301 by a bolt, a pull handle ring 303 which is convenient to pull by hand is fixedly mounted at the end of the insertion rod 302, and an anti-slip rubber sheath is disposed on the pull handle ring 303, so that the auxiliary pulling bracket 3 can enable an operator to pull the sampling device over a longer distance, especially when a plurality of people are required to push the device to climb a slope, and the device can be used more simply.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A sampling device for highway subgrade detection, comprising:

the device comprises a frame (1), wherein a mounting frame (26) is fixedly arranged on the frame (1), a steering motor (25) is fixedly arranged on the mounting frame (26), a guide seat (17) is driven by the output end of the steering motor (25), a guide rail (16) is arranged in the guide seat (17), a driving motor (24) is fixedly arranged at the lower end of the frame (1), wheels (4) are arranged at the output end of the driving motor (24), a tool box (6) for placing a sampling tool is fixedly arranged on the frame (1), a sample storage box (12) for placing a sampled sample is fixedly arranged on the frame (1), a pushing frame (20) is arranged at the front end of the frame (1), and fixing devices (2) for fixing the frame (1) are arranged at four corners of the frame (1);

the automatic ejection device comprises a movable seat (28), wherein the movable seat (28) is slidably arranged on a guide rail (16) of a guide seat (17), a worm gear and worm lifter (27) for driving the movable seat (28) to move up and down along the guide rail (16) is fixedly arranged on the guide seat (17), a main push rod (15) is fixedly arranged on the movable seat (28), an output end of the main push rod (15) is driven with a mounting plate (32), a rotating motor (29) is fixedly arranged on the mounting plate (32), an output end of the rotating motor (29) is driven with a driving wheel (30), a sampling tube (35) is fixedly arranged on the mounting plate (32), a rotating tube (36) sleeved outside the sampling tube (35) is rotatably arranged on the mounting plate (32), a gear ring (22) which is meshed with the driving wheel (30) is integrally formed at the upper end of the rotating tube (36), a hollow drill bit (37) is fixedly arranged at the bottom of the rotating tube (36), and an ejection push rod (31) is fixedly arranged on the mounting plate (32), and the output end of the ejection tube (31) is driven with an ejection plate (34) positioned inside the sampling tube (35).

The controller (19), controller (19) fixed mounting is on pushing away frame (20), and fixed mounting has humidity detector (13) that are arranged in detecting the sample on sample bin (12), controller (19) respectively with energy memory (5), main push rod (15), driving motor (24), turn to motor (25), worm gear lift (27), rotating electrical machines (29) and ejecting push rod (31) electric connection.

2. The highway subgrade detection sampling device according to claim 1, wherein: the fixing device (2) comprises a fixing push rod (201) fixedly installed with the frame (1), the fixing push rod (201) is electrically connected with the controller (19), a supporting plate (202) used for jacking the upper end of the roadbed is driven at the output end of the fixing push rod (201), and an inserting protrusion (203) used for being inserted into the roadbed is fixedly installed at the lower end of the supporting plate (202).

3. The highway subgrade detection sampling device according to claim 1, wherein: the temperature detection sensor (9) for detecting the internal temperature of the sample storage box (12) is fixedly installed on the sample storage box (12), a heater (11) and a semiconductor refrigerating sheet (10) are arranged in the sample storage box (12), and the heater (11), the semiconductor refrigerating sheet (10) and the temperature detection sensor (9) are electrically connected with the controller (19).

4. The highway subgrade detection sampling device according to claim 1, wherein: the pushing frame (20) is fixedly provided with a traction connecting seat (21) which is convenient for an external vehicle to traction through a traction rope, and the side face of the mounting frame (26) is fixedly provided with a side face handle (7) which is convenient for pushing the frame (1) from the side face.

5. The highway subgrade detection sampling device according to claim 1, wherein: the front end and the rear end of the frame (1) are respectively provided with a counterweight seat (23) for placing a counterweight, and the inner wall of the counterweight seat (23) is provided with a buffer rubber pad for preventing the counterweight from impacting.

6. The highway subgrade detection sampling device according to claim 1, wherein: the left side and the right side of the frame (1) are fixedly provided with standing plates (8) which are convenient for an operator to stand, and the mounting frame (26) is fixedly provided with handrail columns (14) which are convenient for the operator to hold.

7. The highway subgrade detection sampling device according to claim 1, wherein: the camera (33) is fixedly mounted on the mounting plate (32), the display (18) is fixedly mounted at the upper end of the pushing frame (20), and the camera (33) and the display (18) are electrically connected with the controller (19).

8. The highway subgrade detection sampling device according to claim 1, wherein: the main push rod (15) and the ejection push rod (31) are single-rod double-acting hydraulic push rods or ball screw rod type electric push rods, and the steering motor (25) and the rotating motor (29) are stepping motors.

9. The highway subgrade detection sampling device according to claim 1, wherein: the controller (19) is a PLC controller, and the energy storage device (5) is a lithium battery pack.

10. The highway subgrade detection sampling device according to claim 1, wherein: be provided with auxiliary pulling support (3) on pushing away frame (20), and auxiliary pulling support (3) are last to articulate and install articulated pipe (301), articulated pipe (301) sliding mounting has insert pole (302), and inserts between pole (302) and the articulated pipe (301) through the bolt fastening, the terminal fixed mounting of insert pole (302) has handle ring (303) of being convenient for handheld pulling, and is provided with anti-skidding rubber sheath on handle ring (303).