CN220854222U - Foundation rock soil test detection soil sampling device - Google Patents
Foundation rock soil test detection soil sampling device Download PDFInfo
- Publication number
- CN220854222U CN220854222U CN202322157330.9U CN202322157330U CN220854222U CN 220854222 U CN220854222 U CN 220854222U CN 202322157330 U CN202322157330 U CN 202322157330U CN 220854222 U CN220854222 U CN 220854222U
- Authority
- CN
- China
- Prior art keywords
- soil
- sampling
- plate
- soil sampling
- sampling tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000002689 soil Substances 0.000 title claims abstract description 69
- 239000011435 rock Substances 0.000 title claims abstract description 37
- 238000005527 soil sampling Methods 0.000 title claims abstract description 32
- 238000001514 detection method Methods 0.000 title claims abstract description 14
- 238000005070 sampling Methods 0.000 claims description 94
- 238000007790 scraping Methods 0.000 claims description 20
- 238000007599 discharging Methods 0.000 claims description 9
- 238000013016 damping Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000002146 bilateral effect Effects 0.000 claims 1
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model relates to the technical field of engineering detection, in particular to a detection soil sampling device for foundation rock and soil test, which improves the stability of a rock and soil sample, improves the discharge efficiency of the rock and soil sample and ensures the accuracy of a detection result; the device comprises a bottom plate, two vertical rods and a top plate, wherein the two vertical rods are symmetrically arranged at the top end of the bottom plate left and right, and the top plate is fixedly arranged at the top end of the vertical rod; still include equipment box, chamber door, pushing mechanism, soil sampling mechanism, strike off mechanism and discharge mechanism, equipment box fixed mounting is on the top of roof, the inside of equipment box is provided with battery and controller, the front end movable mounting of equipment box has the chamber door, pushing mechanism installs the bottom at the roof, soil sampling mechanism installs in pushing mechanism installs the bottom, the top of bottom plate has seted up the soil sampling hole that runs through with the position that soil sampling mechanism corresponds, strike off mechanism mounting bottom plate's top soil sampling hole's left and right sides both ends, discharge mechanism installs inside soil sampling mechanism.
Description
Technical Field
The utility model relates to the technical field of engineering detection, in particular to a soil sampling device for foundation rock soil test detection.
Background
The foundation refers to soil or rock mass below the building for supporting the foundation, and soil layers used as the building foundation are divided into rock, gravel soil, sand, silt soil, cohesive soil and artificial filling soil, and the foundation comprises a natural foundation and an artificial foundation. The natural foundation is a natural soil layer which does not need to be reinforced by people, the artificial foundation needs to be reinforced by people, and stone chip cushion layers, sand cushion layers, mixed lime soil backfilling and tamping are common. In order to know the concrete condition of foundation rock soil in building engineering, the extraction and detection of the foundation rock soil of a building are needed to detect whether the rock soil at the foundation of the building meets the standard. Thus, a soil sampling device is used. Through retrieving, the experimental device that detects of ground bedrock soil is built to prior art publication number CN213041536U provides, including the device piece, the lower extreme of device piece is equipped with the standing groove, the inner bottom of standing groove is equipped with the device groove, device inslot fixed mounting has electric telescopic handle, be equipped with the decurrent soil taking section of thick bamboo of opening in the standing groove, the inside of soil taking section of thick bamboo is equipped with evenly distributed's barb triangular block, the upper end of soil taking section of thick bamboo passes through buckle device and electric telescopic handle's output fixed connection, the lateral wall of device piece is equipped with the fluting with the standing groove intercommunication, the apron is installed to the fluting internal rotation, the lower extreme both sides of device piece are equipped with auxiliary positioning device. However, after the sampling is completed, the rock and soil sample needs to be vibrated to slide out of the soil sampling cylinder by knocking the side wall of the soil sampling cylinder, the structure of the rock and soil sample is possibly changed to a certain extent due to vibration while the efficiency is low, the test result is affected, and an error conclusion is obtained, so that the construction quality is affected.
Disclosure of utility model
In order to solve the technical problems, the utility model provides the foundation soil test detection soil sampling device which improves the stability of a rock soil sample, improves the discharge efficiency of the rock soil sample and ensures the accuracy of a detection result.
The utility model relates to a foundation rock soil test detection soil sampling device which comprises a bottom plate, two vertical rods and a top plate, wherein the top end of the bottom plate is symmetrically provided with the two vertical rods left and right, and the top end of the vertical rod is fixedly provided with the top plate; the device comprises a top plate, a bottom plate, a top plate, a bottom plate, a scraping mechanism, a storage battery, a controller, a box door, a pushing mechanism, a soil taking mechanism, a scraping mechanism and a discharging mechanism, wherein the top plate is fixedly arranged at the top end of the top plate; the storage battery is used for providing power for equipment operation, the pushing mechanism drives the soil sampling mechanism to move downwards, the soil sampling mechanism penetrates through the soil sampling hole to rotationally take soil, the soil adhered on the outer wall of the sampling tube is cleaned and scraped through the scraping mechanism, the discharging mechanism pushes out the rock and soil sample taken out from the inside of the sampling tube, the discharging efficiency of the rock and soil sample is improved, and the structure of the rock and soil sample is prevented from being changed to influence the test result.
Preferably, the pushing mechanism comprises an electric telescopic rod, a moving plate and two guide plates, wherein the electric telescopic rod is fixedly arranged in the middle of the bottom end of the top plate, the moving plate is fixedly arranged at the output end of the electric telescopic rod, the guide plates are respectively fixedly arranged at the left end and the right end of the moving plate, and the guide plates are slidably arranged on the outer wall of the vertical rod; starting electric telescopic rod, promoting the movable plate and reciprocating, making the even downwardly moving of sampling tube, sampling to the soil sample, improving sampling efficiency, driving the deflector and sliding in the pole setting when the movable plate removes, leading the movable plate and supporting, avoid the movable plate to take place the slope, guarantee sampling quality.
Preferably, the soil sampling mechanism comprises a motor case, a sampling motor, a connecting sleeve and a sampling tube, wherein the motor case is fixedly arranged in the middle of the bottom end of the movable plate, the sampling motor is fixedly arranged in the motor case, the sampling tube is detachably arranged on an output shaft of the sampling motor through the connecting sleeve, and a serrated soil cutting block is arranged at the bottom output end of the sampling tube; the bottom of sampling tube passes the hole of getting earth, starts sampling motor, and sampling motor's output shaft drives sampling tube and rotates, and sampling tube bores into the soil layer, samples the soil sample of rock, and the zigzag of sampling tube bottom cuts the soil sample of rock, improves sampling efficiency.
Preferably, the scraping mechanism comprises two electric push rods and two supporting scraping blocks, the two electric push rods are symmetrically arranged at the top end of the bottom plate about the soil sampling hole, and the supporting scraping blocks are fixedly arranged at the telescopic ends of the electric push rods; when the sampling tube moves downwards, two electric push rods are started to drive two supporting scraping blocks to contact with the outer wall of the sampling tube, the sampling tube is supported, shaking is avoided, the service life of the device is prolonged, when the sampling tube moves upwards, the sampling tube is cleaned by supporting the scraping blocks, the adhering rock soil on the outer wall of the sampling tube is avoided, the waste time of subsequent cleaning is avoided, and the working strength of operators is reduced.
Preferably, the discharging mechanism comprises four guide blocks, a pushing plate, a connecting air tap, an air pump, an air pipe, a telescopic air pipe and an air outlet plug, wherein the four guide blocks are axially and uniformly arranged on the inner wall of the sampling tube, the bottom ends of the guide blocks are provided with bulges, the pushing plate is slidably arranged in the sampling tube, the outer wall of the pushing plate is provided with a chute matched with the guide blocks, the connecting air tap is fixedly connected with the upper part of the sampling tube, the air pump is fixedly arranged at the top end of the movable plate, the output end of the air pump is connected with the air pipe, the output end of the air pipe is connected with the telescopic air pipe, and the output end of the telescopic air pipe is connected with the air outlet plug matched with the connecting air tap; during sampling, the sampling tube moves downwards, the rock and soil sample pushes the pushing plate upwards, the electric telescopic rod drives the moving plate to move upwards after sampling is completed, the sampling tube moves upwards, then the air outlet plug is inserted on the connecting air tap, the air pump is started to charge air inside the sampling tube, the pressure intensity on the upper portion of the pushing plate is increased, the pushing plate moves downwards, the rock and soil sample inside the sampling tube is pushed out, the stability of the rock and soil sample is guaranteed, the guide block guides the pushing plate, inclined clamping of the pushing plate is avoided, the protrusions on the bottom end of the guide block limit the pushing plate, and the pushing plate is prevented from sliding out of the sampling tube.
Preferably, the device also comprises two damping rotating shafts, two pedal plates and two groups of positioning cone blocks, wherein the left end and the right end of the bottom plate are respectively provided with a storage groove, the storage grooves are rotationally connected with the pedal plates matched with the storage grooves through the damping rotating shafts, and the positioning cone blocks are arranged on the outer walls of the pedal plates; when the soil is taken out, the two pedal plates are rotated in the storage groove to be taken out, so that the pedal plates are parallel to the ground, at the moment, an operator can pedal the two pedal plates by two feet, so that the positioning cone block is inserted into the ground, the stability during use is improved, and the bottom plate is prevented from being jacked up during soil taking.
Compared with the prior art, the utility model has the beneficial effects that: the soil adhered to the outer wall of the sampling tube is cleaned and scraped through the scraping mechanism, the discharging mechanism pushes out the rock and soil sample taken out from the inside of the sampling tube, the discharging efficiency of the rock and soil sample is improved, and the influence on the test result caused by the change of the structure of the rock and soil sample is avoided.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of the front view of the present utility model;
FIG. 3 is an enlarged schematic view of the portion A of FIG. 1 according to the present utility model;
FIG. 4 is a schematic view of a front cross-sectional structure of the present utility model;
FIG. 5 is a schematic top view in cross-section of the present utility model;
The reference numerals in the drawings: 1. a bottom plate; 2. a vertical rod; 3. a top plate; 4. an equipment box; 5. a door; 6. an electric telescopic rod; 7. a moving plate; 8. a guide plate; 9. a motor case; 10. a sampling motor; 11. connecting sleeves; 12. a sampling tube; 13. an electric push rod; 14. supporting the scraping block; 15. a guide block; 16. a pushing plate; 17. connecting an air tap; 18. an air pump; 19. an air pipe; 20. a telescopic air pipe; 21. an air outlet plug; 22. damping the rotating shaft; 23. stepping on the pedal; 24. and positioning the cone block.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. This utility model may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
As shown in fig. 1, fig. 2 and fig. 4, two vertical rods 2 are symmetrically installed on the top end of the bottom plate 1 left and right, a top plate 3 is fixedly installed on the top end of the vertical rods 2, an equipment box 4 is fixedly installed on the top end of the top plate 3, a storage battery and a controller are arranged in the equipment box 4, a box door 5 is movably installed at the front end of the equipment box 4, an electric telescopic rod 6 is fixedly installed in the middle of the bottom end of the top plate 3, a movable plate 7 is fixedly installed at the output end of the electric telescopic rod 6, guide plates 8 are respectively fixedly installed at the left end and the right end of the movable plate 7, the guide plates 8 are slidably installed on the outer wall of the vertical rods 2, a motor box 9 is fixedly installed in the middle of the bottom end of the movable plate 7, a sampling motor 10 is fixedly installed in the inside a motor box 9, a sampling cylinder 12 is detachably installed on an output shaft of the sampling motor 10 through a connecting sleeve 11, a through hole for soil cutting through penetrating is formed in the position of the top end of the bottom plate 1 corresponding to the sampling cylinder 12, storage slots are formed in the left and right ends of the bottom plate 1, a movable plate 7 is fixedly installed at the output ends of the bottom plate 6, a movable plate 7 is fixedly installed at the middle of the bottom plate, a movable plate is fixedly installed at the bottom plate 2, a pedal 23 is installed at the pedal and is installed at the pedal positioning blocks 24 through the pedal plates 23;
When the storage battery provides power for equipment operation and takes out soil, the two pedal plates 23 are rotated in the storage groove to be taken out, so that the pedal plates 23 are parallel to the ground, at the moment, an operator can pedal the two pedal plates 23 by two feet, the positioning cone block 24 is inserted into the ground, stability in use is improved, the bottom plate 1 is jacked up when soil taking is avoided, the electric telescopic rod 6 is started, the moving plate 7 is pushed to move downwards, the sampling cylinder is enabled to move downwards uniformly, sampling is carried out on a rock-soil sample, sampling efficiency is improved, the moving plate 7 moves to drive the guide plate 8 to slide on the vertical rod 2, the moving plate 7 is guided and supported, the moving plate 7 is prevented from inclining, sampling quality is guaranteed, the bottom end of the sampling cylinder 12 penetrates through the soil taking hole, the sampling motor 10 is started, the output shaft of the sampling motor 10 drives the sampling cylinder 12 to rotate, the sampling cylinder 12 drills into the rock-soil layer, the serrated soil cutting block at the bottom end of the sampling cylinder 12 cuts the rock-soil sample, and the sampling cylinder is enabled to slide the rock-soil sample.
As shown in fig. 3 to 5, two electric push rods 13 are symmetrically arranged at the top end of the bottom plate 1 left and right with respect to a soil taking hole, a supporting scraping block 14 is fixedly arranged at the telescopic end of each electric push rod 13, four guide blocks 15 are axially and uniformly arranged on the inner wall of the sampling tube 12, protrusions are arranged at the bottom ends of the guide blocks 15, a pushing plate 16 is slidably arranged in the sampling tube 12, a chute matched with the guide blocks 15 is formed on the outer wall of the pushing plate 16, a connecting air tap 17 is fixedly connected to the upper part of the sampling tube 12, an air pump 18 is fixedly arranged at the top end of the moving plate 7, an air pipe 19 is connected to the output end of the air pump 18, an telescopic air pipe 20 is connected to the output end of the air pipe 19, and an air outlet plug 21 matched with the connecting air tap 17 is connected to the output end of the telescopic air pipe 20;
When the sampling tube 12 moves downwards, two electric push rods 13 are started to drive two supporting scraping blocks 14 to be close to each other and contact with the outer wall of the sampling tube 12, the sampling tube 12 is supported, shaking is avoided to be damaged, the service life of the device is prolonged, when the sampling tube 12 moves upwards after sampling is completed, the supporting scraping blocks 14 are used for cleaning the rock soil adhered to the outer wall of the sampling tube 12, time waste caused by subsequent cleaning is avoided, the working intensity of operators is reduced, the sampling tube 12 moves downwards during sampling, the rock soil sample pushes the pushing plate 16 upwards, the electric telescopic rods 6 drive the moving plate 7 to move upwards after sampling is completed, the sampling tube 12 moves upwards, then an air outlet plug 21 is inserted on the connecting air tap 17, the air pump 18 is started to charge air to the inside of the sampling tube 12, the pressure on the upper portion of the pushing plate 16 is increased, the pushing plate 16 is pushed to move downwards, the rock soil sample inside the sampling tube 12 is pushed out, the stability of the rock soil sample is guaranteed, the pushing plate 16 is guided by the guide block 15, tilting and blocking of the pushing plate 16 is avoided, the bottom end of the guide block 15 is used for pushing the pushing plate 16 to limit the sampling tube 12.
As shown in fig. 1 to 5, in the ground rock test soil sampling device of the present utility model, when the ground rock test soil sampling device works, two pedal plates 23 are rotated in a storage groove to be taken out, so that the pedal plates 23 are parallel to the ground, an operator can pedal the two pedal plates 23 by feet at the moment, a positioning cone block 24 is inserted into the ground, an electric telescopic rod 6 is started, the movable plate 7 is pushed to move downwards, when the sampling tube 12 moves downwards, two electric push rods 13 are started to drive two supporting scraping blocks 14 to approach each other to contact with the outer wall of the sampling tube 12, the sampling tube 12 is supported, meanwhile, a sampling motor 10 is started, an output shaft of the sampling motor 10 drives the sampling tube 12 to rotate, the sampling tube 12 drills into a rock layer, samples are sampled, the sampling tube 12 moves downwards, the pushing plate 16 is pushed upwards after the sampling is completed, the electric telescopic rod 6 drives the movable plate 7 to move upwards, the sampling tube 12 moves upwards, rock soil adhered on the outer wall of the sampling tube 12 is cleaned by the supporting scraping blocks 14, then an air nozzle 21 is inserted on a connecting plug 17, the air outlet plug 18 is started, the pressure of the sampling tube 12 is pushed downwards, and the pressure of the sampling tube 16 is pushed downwards by the pushing plate 16.
The sampling motor 10, the air pump 18 and the damping rotating shaft 22 of the soil sampling device for foundation soil test detection are purchased in the market, and a person skilled in the art only needs to install and operate according to the attached use instruction without creative labor of the person skilled in the art.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (3)
1. The utility model provides a ground soil test detects geotome, includes bottom plate (1), two pole setting (2) and roof (3), and two pole setting (2) are installed to the bilateral symmetry in top of bottom plate (1), and top fixed mounting of pole setting (2) has roof (3); the device is characterized by further comprising a device box (4), a box door (5), a pushing mechanism, a soil sampling mechanism, a scraping mechanism and a discharging mechanism, wherein the device box (4) is fixedly arranged at the top end of the top plate (3), a storage battery and a controller are arranged in the device box (4), the box door (5) is movably arranged at the front end of the device box (4), the pushing mechanism is arranged at the bottom end of the top plate (3), the soil sampling mechanism is arranged at the bottom end of the pushing mechanism, a penetrating soil sampling hole is formed in the position, corresponding to the soil sampling mechanism, of the top end of the bottom plate (1), the left end and the right end of the top soil sampling hole of the scraping mechanism are arranged at the bottom plate (1), and the discharging mechanism is arranged in the soil sampling mechanism;
The pushing mechanism comprises an electric telescopic rod (6), a moving plate (7) and two guide plates (8), wherein the electric telescopic rod (6) is fixedly arranged in the middle of the bottom end of the top plate (3), the moving plate (7) is fixedly arranged at the output end of the electric telescopic rod (6), the guide plates (8) are respectively fixedly arranged at the left end and the right end of the moving plate (7), and the guide plates (8) are slidably arranged on the outer wall of the vertical rod (2);
The soil sampling mechanism comprises a motor case (9), a sampling motor (10), a connecting sleeve (11) and a sampling tube (12), wherein the motor case (9) is fixedly arranged in the middle of the bottom end of the movable plate (7), the sampling motor (10) is fixedly arranged in the motor case (9), the sampling tube (12) is detachably arranged on an output shaft of the sampling motor (10) through the connecting sleeve (11), and a serrated soil cutting block is arranged at the bottom output end of the sampling tube (12);
The scraping mechanism comprises two electric push rods (13) and two supporting scraping blocks (14), the two electric push rods (13) are symmetrically arranged at the top end of the bottom plate (1) relative to the soil taking Kong Zuoyou, and the supporting scraping blocks (14) are fixedly arranged at the telescopic ends of the electric push rods (13).
2. The soil sampling device for foundation soil test detection according to claim 1, wherein the discharging mechanism comprises four guide blocks (15), a pushing plate (16), a connecting air nozzle (17), an air pump (18), an air pipe (19), a telescopic air pipe (20) and an air outlet plug (21), the four guide blocks (15) are axially and uniformly arranged on the inner wall of the sampling tube (12), protrusions are arranged at the bottom ends of the guide blocks (15), the pushing plate (16) is slidably arranged in the sampling tube (12), sliding grooves matched with the guide blocks (15) are formed in the outer wall of the pushing plate (16), the connecting air nozzle (17) is fixedly connected to the upper portion of the sampling tube (12), the air pump (18) is fixedly arranged at the top end of the moving plate (7), the output end of the air pump (18) is connected with the air pipe (19), the telescopic air pipe (20) is connected with the air outlet plug (21) matched with the connecting air nozzle (17).
3. The foundation rock soil test detection soil sampling device according to claim 1, further comprising two damping rotating shafts (22), two pedal plates (23) and two groups of positioning cone blocks (24), wherein the left end and the right end of the bottom plate (1) are respectively provided with a storage groove, pedal plates (23) matched with the storage grooves are rotatably connected in the storage grooves through the damping rotating shafts (22), and the positioning cone blocks (24) are respectively arranged on the outer walls of the pedal plates (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322157330.9U CN220854222U (en) | 2023-08-09 | 2023-08-09 | Foundation rock soil test detection soil sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322157330.9U CN220854222U (en) | 2023-08-09 | 2023-08-09 | Foundation rock soil test detection soil sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220854222U true CN220854222U (en) | 2024-04-26 |
Family
ID=90771289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322157330.9U Active CN220854222U (en) | 2023-08-09 | 2023-08-09 | Foundation rock soil test detection soil sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220854222U (en) |
-
2023
- 2023-08-09 CN CN202322157330.9U patent/CN220854222U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212359741U (en) | Portable groundwater sampling device | |
| CN210571452U (en) | Multilayer wetland soil collection system | |
| CN219348260U (en) | Rock-soil layered sampler for investigation | |
| CN112593540A (en) | Soil sampling device with soil loosening drill rod and sampling method thereof | |
| CN107130579B (en) | Reinforcement-free expanded foundation construction device and rigid-flexible dual composite foundation construction method | |
| CN220854222U (en) | Foundation rock soil test detection soil sampling device | |
| CN109682639B (en) | Silt soft soil sampler | |
| CN110409428A (en) | Tube pile structure and its construction method | |
| CN114658367A (en) | Push-type self-wall-protecting bored pile spiral drill bit and drilling method | |
| CN219641274U (en) | Soil sampling device | |
| CN106593398A (en) | Press-in type isolation well-building method | |
| CN210533741U (en) | Foundation detection device | |
| CN212410125U (en) | Sampling device for civil engineering rock and soil detection | |
| CN116591597B (en) | Rotary drilling rig for highway bridge construction | |
| CN115791273B (en) | Geotechnical sampling device for geotechnical engineering investigation | |
| CN116335534A (en) | Drilling device for hydraulic ring geological exploration | |
| CN100465383C (en) | Multiple head small diameter long screw drilling wall forming machine | |
| CN113959775A (en) | Sampling device for contaminated soil remediation | |
| CN217424824U (en) | Portable geotechnical sampling device for geotechnical engineering | |
| CN221000942U (en) | Highway engineering roadbed compactness check out test set | |
| CN117868188B (en) | Miniature pumping and draining device for underground water of narrow foundation pit and application method of miniature pumping and draining device | |
| CN218521785U (en) | Core drawing device for prestressed pipe pile | |
| CN217980816U (en) | Sampler for cement detection | |
| CN217179958U (en) | A coring device for experimental detection of cement mixing pile | |
| CN217735384U (en) | Drilling device for hard rock of cast-in-situ bored pile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |