CN109594549B - Basic unit sampling device is used in highway construction - Google Patents
Basic unit sampling device is used in highway construction Download PDFInfo
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- CN109594549B CN109594549B CN201811456022.3A CN201811456022A CN109594549B CN 109594549 B CN109594549 B CN 109594549B CN 201811456022 A CN201811456022 A CN 201811456022A CN 109594549 B CN109594549 B CN 109594549B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D1/00—Investigation of foundation soil in situ
- E02D1/02—Investigation of foundation soil in situ before construction work
- E02D1/04—Sampling of soil
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/10—Miscellaneous comprising sensor means
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- Mining & Mineral Resources (AREA)
- Soil Sciences (AREA)
- Analytical Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a basic layer sampling device for highway construction, which comprises a roadbed sampling table, wherein four ends of the lower side of the roadbed sampling table are respectively provided with a telescopic supporting leg, the outsides of the telescopic supporting legs are respectively provided with a telescopic supporting column, the middle part of the roadbed sampling table is provided with a reserved hole, the middle part of the reserved hole is embedded with a fixed shaft sleeve and a sampling column, the outer side of the sampling column is provided with a positive thread, a working motor is arranged, the upper part of the working motor is provided with a motor rotating shaft, the upper part of the motor rotating shaft is provided with a limiting protection ring, and the outside of an electric rotating disc is provided with; four ends of road bed sample platform downside are equipped with flexible landing leg respectively, can carry out laying of sampling device according to the topography of highway construction, and the preformed hole middle part is embedded to have fixed axle sleeve can strengthen sample post job stabilization nature, and the electric turntable outside be equipped with the first back-thread of positive screw-thread fit, the manual carousel outside be equipped with the second back-thread of positive screw-thread fit, manual and electric fit improvement sample accuracy.
Description
Technical Field
The invention relates to the technical field of highway construction, in particular to a base layer sampling device for highway construction.
Background
In the road construction process for many years, the ancient operation mode is adopted for the sampling method (sand filling method) of the road base layer and the subbase layer compactness, namely, the sampling method is operated by heavy and crude tools such as a hammer, a screwdriver, a flat shovel and the like manually, the whole process needs more workers (generally 2-3 persons), the using time is long (20-30 minutes), the water content of a sample is easy to lose, the flexibility of a soil body is large, the peripheral wall of a sampling pit is not smooth, the sampling effect is poor, and the accuracy is poor.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
The invention also aims to provide a road base sampling device for highway construction, wherein four ends of the lower side of a roadbed sampling platform are respectively provided with a telescopic supporting leg, the sampling device can be placed according to the terrain of highway construction, a fixed shaft sleeve is embedded in the middle of a reserved hole to enhance the working stability of a sampling column, a first reverse thread matched with a positive thread is arranged outside an electric rotating disc, a second reverse thread matched with the positive thread is arranged outside a manual rotating disc, and the sampling precision is improved through manual and electric matching, so that the problems in the background technology are solved.
To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a base layer sampling apparatus for road construction, comprising:
the method comprises the following steps:
roadbed sampling platform, it is the rectangle structure, four ends of roadbed sampling platform downside are equipped with flexible landing leg respectively, flexible landing leg upper portion is equipped with first regulation fixed button, flexible landing leg lower part is equipped with first altitude mixture control hole, flexible landing leg lower extreme is equipped with the universal wheel, flexible landing leg outside is equipped with flexible pillar respectively, flexible pillar upper portion is equipped with the second and adjusts fixed button, flexible pillar lower part is equipped with the second altitude mixture control hole, roadbed sampling platform middle part is equipped with the preformed hole, the preformed hole middle part is embedded to have fixed axle sleeve.
The sampling column is arranged in the middle of the fixed shaft sleeve, a limiting head is arranged at the upper end of the sampling column, a sampling barrel is connected to the lower end of the sampling column through a bolt, a positive thread is arranged on the outer side of the sampling column, an L-shaped push-pull handle is arranged at the front end of the upper portion of the roadbed sampling platform, and a fixing band is arranged in the middle of the L-shaped push-pull handle.
The utility model discloses a sampling post, including sampling post, work motor, motor shaft, electric turntable, fixing base, manual carousel, motor shaft, motor turntable, manual carousel, the motor shaft is equipped with motor turntable in the middle part, motor turntable outside is equipped with the first back-threading with positive screw-thread fit, the sampling post rear side is equipped with fixing base, fixing base upper portion is equipped with the second mounting groove, second mounting groove outside is equipped with manual.
More specifically, a cooling bottle is fixed in the middle of the fixing band, a U-shaped spray pipe is arranged at the upper part of the cooling bottle, and a cooling spray head is arranged at the lower part of the U-shaped spray pipe; an infrared temperature sensor is arranged at the lower side of the U-shaped spray pipe, a controller is arranged at the vertical part of the L-shaped push-pull handle in the direction far away from the sampling column, a hollow cylinder which is vertically arranged is arranged above the fixed shaft sleeve, a telescopic ruler with a fixed buckle is arranged in the cylinder, an opening through which the fixed buckle passes is arranged at the bottom of the hollow cylinder, an induction plate which is parallel to the plane of the fixed shaft sleeve is arranged at the top of the telescopic ruler, a first pressure sensor is arranged on the induction plate, the telescopic ruler is fixedly connected with the bottom of the hollow cylinder through a buffer spring, a second pressure sensor is arranged between the buffer spring and the bottom of the hollow cylinder, and the infrared temperature sensor, the first pressure sensor and the second pressure sensor are all electrically connected with the controller, and an alarm device is arranged between the bottom of the L-shaped push-pull handle and the top of the roadbed sampling platform.
Preferably, the first pressure sensor sends a first pressure signal when being squeezed by the limiting head, the second pressure sensor sends a second pressure signal when receiving the pressure of the buffer spring, the infrared sensor detects the real-time temperature of the electric rotating disc, the controller controls the working motor to stop working when receiving the first pressure signal, and the controller controls the alarm device to send an alarm when receiving the first pressure signal, and simultaneously sends a stop signal to the working motor again and cuts off the power supply of the sampling device; the controller is internally provided with a preset first threshold value and a preset second threshold value, when the real-time temperature is higher than the first threshold value, the controller controls the working motor to reduce the rotating speed and control the cooling sprayer to spray cooling materials, when the real-time temperature is higher than the second threshold value, the controller controls the working motor to stop working, and when the temperature is reduced to the temperature below the first threshold value, the controller controls the working motor to start working.
Preferably, a plurality of support rods are arranged at the upper part of the manual rotating disc, and manual rotating rings are arranged at the upper parts of the support rods.
Preferably, the sampling barrel outside is equipped with a plurality of thief holes respectively, the sampling barrel inboard is equipped with the friction line, the sampling barrel downside is equipped with the cutting post.
Preferably, the lower end of the telescopic support is provided with a conical support leg, and the outside of the conical support leg is provided with a drilling screw thread.
The invention at least comprises the following beneficial effects:
1. four ends of road bed sample platform downside are equipped with flexible landing leg respectively, can carry out laying of sampling device according to the topography of highway construction, topography strong adaptability, the preformed hole middle part is embedded to have the fixed axle sleeve can strengthen sample column job stabilization nature, flexible landing leg upper portion is equipped with first regulation fixed button, flexible landing leg lower part is equipped with first altitude mixture control hole, be convenient for adjust the height of flexible landing leg, therefore, the clothes hanger is strong in practicability, the electric turntable outside be equipped with positive screw-thread fit's first back-thread, the manual carousel outside be equipped with positive screw-thread fit's second back-thread, manual and electric fit improves the sample accuracy.
2. Fixed band middle part is fixed with the cooling bottle, can the rational utilization inner space, U type spray tube lower part is equipped with the cooling shower nozzle and can in time cool down the processing to electric turntable, and the service life is prolonged, more specifically the infrared temperature sensor real-time supervision temperature through setting up, whether open the cooling bottle according to real-time temperature decision and cool down, and whether need the cooperation to reduce the rotational speed of work motor and realize producing less temperature, and when the temperature reaches the second threshold value of upper limit, direct stop work motor, and continue to open cooling bottle cooling period, thereby protection electric turntable isotructure can not damage because of the extreme temperature.
3. The upper part of the supporting rod is provided with a manual rotating ring, so that the manual rotating disc can rotate conveniently, and the operability is stronger.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
4. According to the invention, through the matched use of the controller, the telescopic ruler, the hollow cylinder, the induction plate, the first pressure sensor, the buffer spring and the second pressure sensor, the required sampling depth can be set through the telescopic ruler, after the telescopic ruler starts to work, the limiting head moves downwards, when the preset sampling depth is reached, the limiting head extrudes the first pressure sensor and sends out a first pressure signal, and the first pressure signal judges that the preset depth is reached, so that the controller controls the working motor to stop working, the sampling depth is controlled very accurately, and the controller is matched with the turntable to realize quick and accurate sampling; when a fault occurs, the motor does not make a stop response, the telescopic ruler is connected with the buffer spring, the buffer spring extrudes the second pressure sensor and sends a second signal, the second signal indicates that the preset depth is reached, but the motor does not stop working or the working motor continues to move downwards due to inertia, the fault occurs, so that the controller controls to send the motor stop signal again, and the total power supply, namely the power supply of the sampling device, is closed when the pressure of the buffer spring is detected to be increased continuously, so that the telescopic ruler is not damaged and the telescopic ruler stops working automatically when the fault occurs.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the sampling tube structure.
In the figure: 1. a roadbed sampling platform; 2. a telescopic leg; 3. a first adjusting fixing knob; 4. a first height adjustment aperture; 5. a universal wheel; 6. a telescopic strut; 7. a second adjusting fixing knob; 8. a second height adjustment aperture; 9. reserving a hole; 10. fixing the shaft sleeve; 11. a sampling column; 12. a limiting head; 13. a sampling tube; 14. a positive thread; 15. an L-shaped push-pull handle; 16. fixing belts; 17. a working motor; 18. a motor shaft; 19. a limiting protection ring; 20. a first mounting groove; 21. an electric turntable; 22. a first counter thread; 23. a fixed base; 24. a second mounting groove; 25. a manual turntable; 26. a second counter-thread; 27. a cooling bottle; 28. a U-shaped spray pipe; 29. a cooling spray head; 30. a support bar; 31. manually rotating the ring; 32. a sampling hole; 33. rubbing the grains; 34. cutting the column; 35. a conical leg; 36. and drilling tight threads.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1-2, the invention provides a base layer sampling device for highway construction, which has the following technical scheme: the method comprises the following steps: roadbed sampling platform 1, it is the rectangle structure, four ends of 1 downside of roadbed sampling platform are equipped with flexible landing leg 2 respectively, 2 upper portions of flexible landing leg are equipped with first regulation fixed button 3, 2 lower parts of flexible landing leg are equipped with first altitude mixture control hole 4, 2 lower extremes of flexible landing leg are equipped with universal wheel 5, 2 outsides of flexible landing leg are equipped with telescopic strut 6 respectively, 6 upper portions of telescopic strut are equipped with second regulation fixed button 7, 6 lower parts of telescopic strut are equipped with second altitude mixture control hole 8, 1 middle part of roadbed sampling platform is equipped with preformed hole 9, the embedded fixed axle sleeve 10 that has in preformed hole 9 middle part.
Sampling post 11, it sets up in fixed axle sleeve 10 middle part, 11 upper ends of sampling post are equipped with stopper 12, 11 lower extreme bolted connection of sampling post have a sampling section of thick bamboo 13, 11 outsides of sampling post are equipped with positive screw thread 14, 1 upper portion front end of road bed sampling platform is equipped with L type push-and-pull handle 15, L type push-and-pull handle 15 middle part is equipped with fixed band 16.
In the above scheme, four ends of 1 downside of road bed sample platform are equipped with flexible landing leg 2 respectively, can carry out laying of sampling device according to the topography of highway construction, topography strong adaptability, 9 middle parts of preformed hole are embedded to have fixed axle sleeve 10 can strengthen sample post 11 job stabilization nature, 2 upper portions of flexible landing leg are equipped with first regulation fixed button 3, 2 lower parts of flexible landing leg are equipped with first altitude mixture control hole 4, be convenient for adjust the height of flexible landing leg 2, therefore, the clothes hanger is strong in practicability, electric turntable 21 outside be equipped with the first left hand thread 22 of positive screw thread 14 complex, the manual carousel 25 outside be equipped with positive screw thread 14 complex second left hand thread 26, manual and electronic cooperation improve the sample accuracy.
More specifically, a cooling bottle 27 is fixed in the middle of the fixing band 16, a U-shaped spray pipe 28 is arranged at the upper part of the cooling bottle 27, and a cooling spray head 29 is arranged at the lower part of the U-shaped spray pipe 28; an infrared temperature sensor is arranged at the lower side of the U-shaped spray pipe 28, a controller is arranged at the vertical part of the L-shaped push-pull handle 15 in the direction far away from the sampling column 11, a hollow cylinder which is vertically arranged is arranged above the fixed shaft sleeve 10, a telescopic ruler with a fixed buckle is arranged in the cylinder, an opening for the fixed buckle to pass through is arranged at the bottom of the hollow cylinder, an induction plate which is parallel to the plane of the fixed shaft sleeve 10 is arranged at the top of the telescopic ruler, a first pressure sensor is arranged on the induction plate, the telescopic ruler is fixedly connected with the bottom of the hollow cylinder through a buffer spring, a second pressure sensor is arranged between the buffer spring and the bottom of the hollow cylinder, and the infrared temperature sensor, the first pressure sensor and the second pressure sensor are all electrically connected with the controller, and an alarm device is arranged between the bottom of the L-shaped push-pull handle 15 and the top of the roadbed sampling platform.
More specifically, the first pressure sensor sends a first pressure signal when being squeezed by the limiting head 12, the second pressure sensor sends a second pressure signal when receiving the pressure of the buffer spring, the infrared sensor detects the real-time temperature of the electric rotating disc 21, the controller controls the working motor 17 to stop working when receiving the first pressure signal, and the controller controls the alarm device to send an alarm when receiving the first pressure signal, and simultaneously sends a stop signal to the working motor again and cuts off the power supply of the sampling device; the controller is internally provided with a preset first threshold value and a preset second threshold value, when the real-time temperature is higher than the first threshold value, the controller controls the working motor 17 to reduce the rotating speed and control the cooling sprayer to spray cooling materials, when the real-time temperature is higher than the second threshold value, the controller controls the working motor to stop working, and when the temperature is reduced to the temperature below the first threshold value, the controller controls the working motor to start working.
In the above scheme, fixed band 16 middle part is fixed with cooling bottle 27, can the rational utilization inner space, and U type spray tube 28 lower part is equipped with cooling shower nozzle 29 and can in time carries out cooling treatment to electric turntable 21, improves life.
In a preferred scheme, a plurality of support rods 30 are arranged at the upper part of the manual rotating disc 25, and a manual rotating ring 31 is arranged at the upper part of each support rod 30.
In the above scheme, the upper part of the support rod 30 is provided with the manual rotating ring 31 to facilitate the rotation of the manual rotating disc 25, so that the operability is stronger.
In a preferred scheme, the sampling tube 13 outside is equipped with a plurality of thief holes 32 respectively, the sampling tube 13 inboard is equipped with friction line 33, the sampling tube 13 downside is equipped with cutting post 34.
In the above scheme, the cutting column 34 arranged on the lower side of the sampling cylinder 13 has high sampling efficiency and good operability.
In a preferable scheme, a conical supporting leg 35 is arranged at the lower end of the telescopic strut 6, and a drilling screw thread 36 is arranged outside the conical supporting leg 35.
In the above scheme, the outside of the conical supporting leg 35 is provided with the drilling screw thread 36, so that the sampling device has strong stability and the sampling is more representative.
The four ends of the lower side of the roadbed sampling platform are respectively provided with the telescopic supporting legs, a sampling device can be placed according to the terrain of highway construction, the terrain adaptability is high, the middle part of a reserved hole is embedded with a fixed shaft sleeve to enhance the working stability of a sampling column, the upper parts of the telescopic supporting legs are provided with first adjusting fixed buttons, the lower parts of the telescopic supporting legs are provided with first height adjusting holes, the height of the telescopic supporting legs is convenient to adjust, the practicability is high, a first reverse thread matched with a positive thread is arranged outside an electric turntable, a second reverse thread matched with the positive thread is arranged on the outer side of a manual turntable, and the sampling accuracy is improved by manually adding; the controller, the telescopic ruler, the hollow cylinder, the induction plate, the first pressure sensor, the buffer spring and the second pressure sensor are used in a matched mode, the required sampling depth can be set through the telescopic ruler, the limiting head moves downwards after the telescopic ruler starts to work, when the preset sampling depth is reached, the limiting head extrudes the first pressure sensor and sends a first pressure signal, the first pressure signal judges that the preset depth is reached, therefore, the controller controls the working motor to stop working, the sampling depth is controlled very accurately, and the controller is matched with the rotary disc to achieve rapid and accurate sampling; when a fault occurs, the motor does not make a stop response, the telescopic ruler is connected with the buffer spring, the buffer spring extrudes the second pressure sensor and sends a second signal, the second signal indicates that the preset depth is reached, but the motor does not stop working or the working motor continues to move downwards due to inertia, the fault occurs, so that the controller controls to send the motor stop signal again, and the total power supply, namely the power supply of the sampling device, is closed when the pressure of the buffer spring is detected to be increased continuously, so that the telescopic ruler is not damaged and the telescopic ruler stops working automatically when the fault occurs. In addition, fixed band middle part is fixed with the cooling bottle, can the rational utilization inner space, U type spray tube lower part is equipped with the cooling shower nozzle and can in time cool down the electric turntable and handle, service life is prolonged, still through the infrared temperature sensor real-time supervision temperature that sets up, whether open the cooling bottle according to real-time temperature decision and cool down, and whether need the cooperation to reduce the rotational speed of work motor and realize producing less temperature, and when the temperature reached the second threshold value of upper limit, direct stop work motor, and continue to open the cooling bottle and cool down a period, thereby protection electric turntable isotructure can not damage because of the extreme temperature.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (5)
1. The utility model provides a basic unit sampling device for highway construction which characterized in that includes:
the roadbed sampling platform (1) is of a rectangular structure, four ends of the lower side of the roadbed sampling platform (1) are respectively provided with telescopic supporting legs (2), the upper parts of the telescopic supporting legs (2) are provided with first adjusting fixing buttons (3), the lower parts of the telescopic supporting legs (2) are provided with first height adjusting holes (4), the lower ends of the telescopic supporting legs (2) are provided with universal wheels (5), the outer parts of the telescopic supporting legs (2) are respectively provided with telescopic supporting columns (6), the upper parts of the telescopic supporting columns (6) are provided with second adjusting fixing buttons (7), the lower parts of the telescopic supporting columns (6) are provided with second height adjusting holes (8), the middle part of the roadbed sampling platform (1) is provided with a reserved hole (9), and a fixing shaft sleeve (10) is embedded in the middle part of the reserved hole;
the sampling device comprises a sampling column (11) arranged in the middle of a fixed shaft sleeve (10), a limiting head (12) is arranged at the upper end of the sampling column (11), a sampling cylinder (13) is connected to the lower end of the sampling column (11) through a bolt, a positive thread (14) is arranged on the outer side of the sampling column (11), an L-shaped push-pull handle (15) is arranged at the front end of the upper part of a roadbed sampling platform (1), and a fixing belt (16) is arranged in the middle of the L-shaped push-pull handle (15);
the sampling device comprises a working motor (17) arranged on the front side of a sampling column (11), wherein a motor rotating shaft (18) is arranged on the upper portion of the working motor (17), a limiting protection ring (19) is arranged on the upper portion of the motor rotating shaft (18), a first mounting groove (20) is formed in the middle of the motor rotating shaft (18), an electric rotating disc (21) is arranged outside the first mounting groove (20), a first reverse thread (22) matched with a positive thread (14) is arranged outside the electric rotating disc (21), a fixed base (23) is arranged on the rear side of the sampling column (11), a second mounting groove (24) is formed in the upper portion of the fixed base (23), a manual rotating disc (25) is arranged outside the second mounting groove (24), and a second reverse thread (26) matched with the positive thread (14) is arranged on the outer side of the manual rotating disc; a cooling bottle (27) is fixed in the middle of the fixing band (16), a U-shaped spray pipe (28) is arranged at the upper part of the cooling bottle (27), and a cooling spray head (29) is arranged at the lower part of the U-shaped spray pipe (28); an infrared temperature sensor is arranged on the lower side of the U-shaped spray pipe (28), a controller is arranged in the direction of a vertical part of the L-shaped push-pull handle (15) far away from the sampling column (11), a hollow cylinder which is vertically arranged is arranged above the fixed shaft sleeve (10), a telescopic ruler with a fixed buckle is arranged inside the cylinder, an opening through which the fixed buckle passes is arranged at the bottom of the hollow cylinder, an induction plate which is parallel to the plane where the fixed shaft sleeve (10) is arranged at the top of the telescopic ruler, a first pressure sensor is arranged on the induction plate, the telescopic ruler is fixedly connected with the bottom of the hollow cylinder through a buffer spring, a second pressure sensor is arranged between the buffer spring and the bottom of the hollow cylinder, and the infrared temperature sensor, the first pressure sensor and the second pressure sensor are all electrically connected with the controller, an alarm device is arranged between the bottom of the L-shaped push-pull handle (15) and the top of the roadbed sampling platform.
2. The base course sampling device for road construction of claim 1, wherein: the first pressure sensor sends a first pressure signal when being extruded by the limiting head (12), the second pressure sensor sends a second pressure signal when receiving the pressure of the buffer spring, the infrared sensor detects the real-time temperature of the electric rotating disc (21), the controller controls the working motor (17) to stop working when receiving the first pressure signal, and the controller controls the alarm device to send an alarm when receiving the first pressure signal, and simultaneously sends a stop signal to the working motor again and cuts off the power supply of the sampling device; the controller is internally provided with a preset first threshold value and a preset second threshold value, when the real-time temperature is higher than the first threshold value, the controller controls the working motor (17) to reduce the rotating speed and control the cooling sprayer to spray cooling substances, when the real-time temperature is higher than the second threshold value, the controller controls the working motor to stop working, and when the temperature is reduced to the temperature below the first threshold value, the controller controls the working motor to start working.
3. The base course sampling device for road construction of claim 1, wherein: the upper part of the manual rotating disc (25) is provided with a plurality of supporting rods (30), and the upper part of each supporting rod (30) is provided with a manual rotating ring (31).
4. The base course sampling device for road construction of claim 1, wherein: the sampler barrel (13) outside is equipped with a plurality of thief holes (32) respectively, sampler barrel (13) inboard is equipped with friction line (33), sampler barrel (13) downside is equipped with cutting post (34).
5. The base course sampling device for road construction of claim 1, wherein: the telescopic support column is characterized in that a conical supporting leg (35) is arranged at the lower end of the telescopic support column (6), and drilling screw threads (36) are arranged outside the conical supporting leg (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811456022.3A CN109594549B (en) | 2018-11-30 | 2018-11-30 | Basic unit sampling device is used in highway construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811456022.3A CN109594549B (en) | 2018-11-30 | 2018-11-30 | Basic unit sampling device is used in highway construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109594549A CN109594549A (en) | 2019-04-09 |
| CN109594549B true CN109594549B (en) | 2020-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811456022.3A Active CN109594549B (en) | 2018-11-30 | 2018-11-30 | Basic unit sampling device is used in highway construction |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1008462B (en) * | 1986-04-25 | 1990-06-20 | 中国科学院南海海洋研究所 | Reversely-fitted circlip type self-controlling on and off long cyclinder engineering geological soft soil-grit sampler |
| CN203502254U (en) * | 2013-09-05 | 2014-03-26 | 申志国 | Road asphalt layer-shaped sample sampling device |
| CN205857151U (en) * | 2016-06-12 | 2017-01-04 | 中国水利水电第四工程局有限公司 | A kind of road base layer compactness sampler |
| CN207502210U (en) * | 2017-12-11 | 2018-06-15 | 贵州交通职业技术学院 | A kind of construction road surface reparation sampler |
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2018
- 2018-11-30 CN CN201811456022.3A patent/CN109594549B/en active Active
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Effective date of registration: 20200907 Address after: 221400 Dahu Industrial Zone, Xindian Town, Xinyi City, Xuzhou City, Jiangsu Province Applicant after: Jiangsu micro nano film technology Co., Ltd Address before: 314031 No. 966, Xiu Yuan Road, Xiuzhou District, Jiaxing, Zhejiang. Applicant before: Li Youxin |
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