CN111764441B - Bore core formula pile foundation detection device - Google Patents
Bore core formula pile foundation detection device Download PDFInfo
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- CN111764441B CN111764441B CN202010449340.8A CN202010449340A CN111764441B CN 111764441 B CN111764441 B CN 111764441B CN 202010449340 A CN202010449340 A CN 202010449340A CN 111764441 B CN111764441 B CN 111764441B
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- core
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
Abstract
The invention relates to the technical field of pile foundation detection, in particular to a drill core type pile foundation detection device, which comprises a fixed frame (1) and a mounting plate (2), wherein the fixed frame (1) comprises a cross beam (11) and an upright post (12), the cross beam (11) is arranged at the top of the upright post (12) and fixedly connected with the upright post (12), the bottom of the upright post (12) is fixedly connected with the mounting plate (2), a drill core opening (21) is formed in the mounting plate (2), the drill core opening (21) is arranged right below the cross beam (11), a stabilizing support (22) is formed in the mounting plate (2), a guy cable assembly (3) is arranged between the stabilizing support (22) and the upright post (12), a hydraulic rod (13) is arranged at the lower end of the cross beam (11), a rotating assembly (4) is formed at one end, far away from the cross beam (11), of the hydraulic rod (13), two sides of the rotating assembly (4) are connected with the guy cable assembly (3), the invention solves the problems of low efficiency, poor stability and inconvenient movement in the prior art.
Description
Technical Field
The invention relates to the technical field of pile foundation detection, in particular to a core drilling type pile foundation detection device.
Background
The detection of the cement mixing pile generally adopts a coring method, namely, a drilling machine is used for drilling a core sample on a pile body, and the core sample is intercepted and made into a test block so as to detect the pile length, the pile body defect, the pile body strength, the uniformity and the continuity of the cement mixing pile, thereby judging the pile body quality. In the coring equipment of cement mixing piles, the coring method adopted in China at present usually adopts a spiral drill bit to drill holes, and a cutting ring is pressed in to sample when the drill bit reaches a specified depth. The method has low coring efficiency, and particularly when large-scale cement soil mixing piles are constructed, the coring speed of the equipment is too slow, and in addition, the equipment has poor stability and is inconvenient to move when in use, so that the operation is difficult.
Chinese patent CN206648839U discloses a patent with the name of a core drilling and sampling device for pile body integrity detection, which has the technical essential that: the utility model provides a pile body integrality detects with boring core sampling device, includes lead screw feed mechanism, an upper fixed plate, middle slide, base, guide pillar, cylinder drill bit, drive mechanism and engine, both ends are provided with preceding bayonet socket and back bayonet socket respectively around the base, and its preceding baffle through the front end with middle slide is connected, is connected with the backplate of drive mechanism through the afterbody, be provided with preceding pivot and back pivot respectively on the intermediate position of preceding baffle and backplate, preceding pivot is connected with preceding gyro wheel through preceding connecting rod, and back pivot is connected with the back gyro wheel through the back connecting rod, and it has solved the problem of equipment flexibility low and poor stability, but the problem of inefficiency is not solved.
Disclosure of Invention
The invention provides a core drilling type pile foundation detection device aiming at the problems of low efficiency, poor stability and inconvenience in movement.
In order to solve the technical problem, the invention is solved by the following technical scheme:
a core-drilling type pile foundation detection device comprises a fixing frame and a mounting plate, wherein the mounting plate is arranged at the bottom of the fixing frame, the fixing frame comprises stand columns arranged on two sides and a cross beam connected between the stand columns, and the cross beam is arranged at the upper ends of the stand columns; the lower extreme and the mounting panel fixed connection of stand have seted up the drill core mouth on the mounting panel, and the drill core mouth sets up under the crossbeam, and the shaping has the outrigger on the mounting panel, and the outrigger setting is provided with the cable subassembly directly over the drill core mouth between outrigger and the stand, and the lower extreme of crossbeam is provided with the hydraulic stem, and the one end shaping that the crossbeam was kept away from to the hydraulic stem has rotating assembly, and rotating assembly's both sides are connected with the cable subassembly.
As preferred, the cable subassembly includes the support column, column spinner and cable, the inside of support column is provided with the rotating electrical machines, the column spinner sets up the top at the support column, the column spinner is connected with the rotating electrical machines, the column spinner can be rotatory under the effect of rotating electrical machines, the shaping has the thread groove on the column spinner, the cable passes through the thread groove winding to be fixed on the column spinner, the one end and the thread groove of cable are close to the one end fixed connection of support column, the other end and the rotating assembly of cable are connected, the cable subassembly can enough provide certain pushing down force, also can keep the stability of whole device through the pulling force.
As preferred, rotating assembly includes mount pad, motor, fixed cover and engaging lug, the top and the hydraulic stem fixed connection of mount pad, and the motor setting is at the top of mount pad, and the motor is located between the hydraulic stem, and fixed cover setting is in the bottom of mount pad, and fixed cover sets up with the motor coaxial line, and fixed cover is connected with the motor, and fixed cover can be rotatory under the drive of motor, and rotating assembly can conveniently get the connection of core section of thick bamboo and reduce the degree of difficulty of probing.
Preferably, the core barrel is further provided with an anti-drop ring, a fixing groove is formed in the outer surface of the core barrel, a threaded connecting piece is arranged at the end face, close to the fixing groove, of the core barrel, threads are arranged on the inner surface of one end, far away from the fixing groove, of the core barrel, and the length of the core barrel is 1 m.
Preferably, the drill bit is arranged in a rectangular pyramid structure and is arranged at one end, where the fixing groove is not arranged, of the coring barrel, so that drilling is easier.
Preferably, the stabilizing support comprises an inverted U-shaped support and a fixing block, the inverted U-shaped support is provided with one open end fixedly connected with the mounting plate, one end, away from the mounting plate, of the inverted U-shaped support is provided with a semicircular opening facing the fixing block, the upper portion of the fixing block is provided with a semicircular opening facing the inverted U-shaped support, the semicircular opening of the inverted U-shaped support is consistent with the radius of the semicircular opening of the fixing block, a complete circle is formed, and the convenience in mounting the core taking barrel and the stability of the core taking barrel are guaranteed.
As preferred, the mounting groove has been seted up to the side of stand, be provided with fixed subassembly in the mounting groove, fixed subassembly includes mounting and foot bar, the mounting can hug closely the mounting groove inner wall and slide from top to bottom, be provided with the spread groove on the inner wall of mounting groove, be provided with the spring in the spread groove, the one end of spring and the interior wall connection of spread groove, the other end is provided with the stopper, the length under the spring normal condition equals the groove depth degree of spread groove, the upper portion of mounting is provided with the installation opening, installation open-ended width is less than the width of stopper, in the foot bar sets up the installation opening, the foot bar passes through the connecting axle and is connected with the installation opening, the foot bar can wind the connecting axle free rotation, the middle part of mounting is provided with the slide opening, the width of slide opening is greater than the width of stopper, the lower extreme of mounting is provided with the anchor that can catch on the dovetail structure of earth, guarantee spacing stability and the mounting after in earth stable state.
Preferably, one side of the mounting plate close to the drill core opening is provided with a jack, the inner part of the drill core opening is provided with a detachable plug connector, the plug connector can be plugged in the jack, the height of the plug connector is equal to the groove height of the fixed groove, and the plug connector can be abutted against the bottom surface of the fixed groove to limit the rotation of the coring barrel.
Preferably, the stabilizer bar is fixedly connected with the upright post and the mounting plate to form a triangular structure, the fixing plate is provided with a handhold frame, the two sides of the mounting plate are provided with rollers with sharp spines, the triangular structure can enhance the stability of the device, and the handhold frame and the rollers can facilitate the device to move on the construction site.
Preferably, the cross beam is provided with a bulb which can be stretched out, and when the working environment is dark, the bulb can be stretched to bring convenience to operators.
Due to the adoption of the technical scheme, the invention has the remarkable technical effects that:
according to the invention, the down-pressing coring efficiency of the device is increased through the inhaul cable assembly, the stability of the device can also be increased, the hydraulic rod can stably provide down force for the rotating assembly, the stabilizing support can facilitate operators to disassemble and assemble the coring barrel, the stability of the coring barrel and the whole device during operation can also be increased, the fixing assembly can facilitate the device to be stopped and fixed at any time during working on the work site, and the roller with the spine can also ensure that the device can be freely pushed during working on the work site.
Drawings
Fig. 1 is a schematic structural view of embodiment 1 of the present invention.
Fig. 2 is a schematic structural view of a non-installed extraction column in embodiment 1 of the present invention.
Fig. 3 is a side view of fig. 2.
Fig. 4 is a schematic cross-sectional view a-a of fig. 3.
Fig. 5 is a partially enlarged schematic view at I in fig. 3.
Fig. 6 is a schematic view of the spatial structure of fig. 5.
Fig. 7 is a partially enlarged schematic view at II in fig. 4.
Fig. 8 is a front view of the stem in example 1 of the present invention.
Fig. 9 is a schematic cross-sectional view B-B of fig. 8.
The names of the parts indicated by the numerical references in the drawings are as follows: wherein, 1-a fixed mount, 11-a beam, 12-a column, 121-a mounting groove, 1211-a connecting groove, 1212-a spring, 1213-a limiting block, 122-a fixed component, 1221-a fixed component, 1222-a pedal rod, 1223-a mounting opening, 1224-a connecting shaft, 1225-a sliding hole, 13-a hydraulic rod, 2-a mounting plate, 21-a drill core opening, 22-a stable bracket, 221-an inverted U-shaped bracket, 222-a fixed block, 23-a jack, 24-a plug connector, 3-a cable component, 31-a supporting column, 32-a rotating column, 33-a cable, 34-a thread groove, 4-a rotating component, 41-a mounting seat, 42-a motor, 43-a fixed sleeve, 44-a connecting lug, 5-a core-taking barrel, 51-anti-falling ring, 52-fixing groove, 53-connecting piece, 6-drill bit, 7-stabilizing bar, 8-hand rack, 9-roller and 10-bulb.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Example 1
As shown in fig. 1, the core-drilling type pile foundation detection device comprises a fixed frame 1 and a mounting plate 2, wherein the mounting plate 2 is arranged at the bottom of the fixed frame 1, the fixed frame 1 comprises upright columns 12 arranged at two sides and a cross beam 11 connected between the upright columns 12, and the cross beam 11 is arranged at the upper ends of the upright columns 12; the lower extreme and the 2 fixed connection of mounting panel of stand 12, drill core mouth 21 has been seted up on mounting panel 2, drill core mouth 21 sets up under crossbeam 11, the shaping has stabilizing support 22 on mounting panel 2, stabilizing support 22 sets up directly over drill core mouth 21, be provided with cable subassembly 3 between stabilizing support 22 and the stand 12, the lower extreme of crossbeam 11 is provided with hydraulic stem 13, the one end shaping that crossbeam 11 was kept away from to hydraulic stem 13 has rotating assembly 4, rotating assembly 4's both sides and cable subassembly 3 are connected.
Still include a core barrel 5, the inside of core barrel 5 is provided with prevents ring 51 that falls, is provided with fixed slot 52 on the surface of core barrel 5, is provided with threaded connection spare 53 near the 5 terminal surfaces departments of core barrel of fixed slot 52, and the internal surface of the one end of core barrel 5 keeping away from fixed slot 52 is provided with the screw thread, and the length of core barrel 5 is 1 m.
Rotating assembly 4 includes mount pad 41, motor 42, fixed cover 43 and engaging lug 44, the top and the hydraulic stem 13 fixed connection of mount pad 41, motor 42 sets up the top at mount pad 41, motor 42 is located between the hydraulic stem 13, fixed cover 43 sets up the bottom at mount pad 41, fixed cover 43 sets up with motor 42 coaxial line, fixed cover 43 is connected with motor 42, fixed cover 43 can be rotatory under motor 42's drive, cable 33 is connected with engaging lug 44, rotating assembly 4 can realize and make things convenient for the connection of coring barrel 5 and reduce the degree of difficulty of probing.
The drilling tool further comprises a drill 6, wherein the drill 6 is arranged in a rectangular pyramid structure, and the drill 6 is arranged at one end of the coring barrel 5, which is not provided with the fixing groove 52, so that drilling is easier.
The stabilizing support 22 comprises an inverted U-shaped support 221 and a fixing block 222, the inverted U-shaped support 221 is provided with one end with an opening fixedly connected with the mounting plate 2, one end, far away from the mounting plate 2, of the inverted U-shaped support 221 is provided with a semicircular opening, the opening faces the fixing block 222, the upper portion of the fixing block 222 is provided with a semicircular opening, the opening faces the inverted U-shaped support 221, the semicircular opening of the inverted U-shaped support 221 is consistent with the semicircular opening of the fixing block 222 in radius, a complete circle is formed, and convenience in mounting the coring barrel 5 and stability of the device are guaranteed.
The side of the upright post 12 is provided with a mounting groove 121, a fixing assembly 122 is arranged in the mounting groove 121, the fixing assembly 122 comprises a fixing piece 1221 and a pedal lever 1222, the fixing piece 1221 can slide up and down along the inner wall of the mounting groove 121, the inner wall of the mounting groove 121 is provided with a connecting groove 1211, a spring 1212 is arranged in the connecting groove 1211, one end of the spring 1212 is connected with the inner wall of the connecting groove 1211, the other end of the spring 1212 is provided with a limiting block 1213, the length of the spring 1212 under normal conditions is equal to the groove depth of the connecting groove 1211, the upper part of the fixing piece 1221 is provided with a mounting opening 1223, the width of the mounting opening 1223 is smaller than the width of the limiting block 1213, the pedal lever 1222 is arranged in the mounting opening 1223, the pedal lever 1222 is connected with the mounting opening 1223 through a connecting shaft 1224, the pedal lever 1222 can freely rotate around the connecting shaft 1224, the middle part of the fixing piece 1221 is provided with a sliding hole 1225, the width of the sliding hole 1225 is larger than the limiting block 1213, the lower end of the fixing piece 1221 is provided with a dovetail anchor capable of hooking the earth structure, the stability of the position limitation and the stable state of the fixing member 1221 after being fixed in the soil are ensured.
One side that mounting panel 2 is close to drill core mouth 21 is provided with jack 23, and the inside of drill core mouth 21 is provided with detachable plug connector 24, and plug connector 24 can peg graft in jack 23, and the height of plug connector 24 equals with the groove height of fixed slot 52, and plug connector 24 can contradict with fixed slot 52 tank bottom surface, and restriction coring barrel 5 rotates.
The use principle is as follows: when the device is used, the device is firstly pushed to the position above a pile foundation to be detected, the core drilling opening 21 is aligned to the position of the pile foundation requiring core drilling, and then the pedal rod 1222 is turned outwards around the connecting shaft 1224, so that a part of the pedal rod 1222 protrudes outside the fixing piece 1221 and is vertical to the fixing piece 1221, and a foot can step on the pedal rod 1222; then, the limiting block 1213 is pressed into the connecting groove 1211, the limiting block 1213 extrudes the spring 1212, so that the limiting block 1213 completely enters the connecting groove 1211, at this time, the limiting block 1213 is separated from limiting the fixing element 1221, and the fixing element 1221 can slide along the mounting groove 121 under the action of external force; then the pedal lever 1222 is stepped downwards, the fixing element 1221 is driven by the pedal lever 1222 to slide downwards along the mounting groove 121, so that the lower end of the fixing element 1221 is driven by the pedal lever 1222 to be driven into the soil of the construction site, because the lower end of the fixing element 1221 is provided with an anchor capable of hooking the dovetail structure of the soil, the structure can be well connected and fixed with the soil, stability is provided for the device, the pedal lever 1222 is continuously stepped downwards until the limiting block 1213 is ejected out of the connecting groove 1211 by the spring 1212, because the width of the limiting block 1213 is larger than the width of the mounting opening 1223, the limiting block 1213 can block the fixing element 1221, so that the fixing element 1221 cannot rebound, after the device is fixed, the coring barrel 5 provided with the drill bit 6 is inserted into the fixing sleeve 43, so that the coring barrel 5 can rotate along with the fixing sleeve 43, after the coring barrel 5 with the drill bit 6 is driven by the hydraulic lever 13 and the cable assembly 3, the connection between the coring barrel 5 and the fixing sleeve 43 is released, returning the hydraulic rod 13, the inhaul cable assembly 3 and the rotating assembly 4; when the length of the core barrel 5 is not enough, the core barrel 5 without the drill bit 6 is connected with the fixing sleeve 43 on the previous basis, the bottom of the core barrel is connected with a connecting piece 53 at the upper end of the core barrel 5 drilled into the pile foundation, the plug connector 23 is matched with a fixing groove 52 of the core barrel 5 drilled into the pile foundation to fix the core barrel, the motor 42 is driven for a short time, the lengthened core barrel 5 is connected with the core barrel 5 drilled into the pile foundation, and then the core is drilled downwards under the action of the hydraulic rod 13 and the inhaul cable component 3; the stabilizing support 22 can increase the stability of the device during the core drilling and connection process, and improve the efficiency of the core drilling.
Example 2
This embodiment is different from embodiment 1 in that: still include stabilizer bar 7, stabilizer bar 7 and stand 12 and mounting panel 2 fixed connection form the triangle-shaped structure, are provided with hand frame 8 on the mounting panel 2, and the both sides of mounting panel 2 are provided with the gyro wheel 9 of taking the spine, and the triangle-shaped structure can strengthen this device stability itself, and hand frame 8 and gyro wheel 9 can make things convenient for this device to move on the workplace.
Example 3
This embodiment is different from embodiment 1 in that: the cross beam 11 is provided with the bulb 10 which can be stretched out, and the bulb 10 which can be stretched can bring convenience to operators.
Claims (8)
1. The utility model provides a bore core formula pile foundation detection device, includes mount (1) and mounting panel (2), its characterized in that: the mounting plate (2) is arranged at the bottom of the fixing frame (1), the fixing frame (1) comprises upright posts (12) arranged at two sides and a cross beam (11) connected between the upright posts (12), and the cross beam (11) is arranged at the upper ends of the upright posts (12); the lower end of the upright post (12) is fixedly connected with the mounting plate (2), a drill core opening (21) is formed in the mounting plate (2), the drill core opening (21) is arranged under the cross beam (11), a stabilizing support (22) is formed in the mounting plate (2), the stabilizing support (22) is arranged above the drill core opening (21), the inhaul cable assembly (3) is arranged between the stabilizing support (22) and the upright post (12), a hydraulic rod (13) is arranged at the lower end of the cross beam (11), a rotating assembly (4) is formed at one end, far away from the cross beam (11), of the hydraulic rod (13), and two sides of the rotating assembly (4) are connected with the inhaul cable assembly (3); the inhaul cable assembly (3) comprises a supporting column (31), a rotating column (32) and an inhaul cable (33), a rotating motor is arranged inside the supporting column (31), the rotating column (32) is arranged at the top of the supporting column (31), the rotating column (32) is connected with the rotating motor, the rotating column (32) can rotate under the action of the rotating motor, a thread groove (34) is formed in the rotating column (32), the inhaul cable (33) is wound and fixed on the rotating column (32) through the thread groove (34), one end of the inhaul cable (33) is fixedly connected with one end, close to the supporting column (31), of the thread groove (34), and the other end of the inhaul cable (33) is connected with the rotating assembly (4); rotating assembly (4) are including mount pad (41), motor (42), fixed cover (43) and engaging lug (44), the top and hydraulic stem (13) fixed connection of mount pad (41), motor (42) set up the top at mount pad (41), motor (42) are located between hydraulic stem (13), fixed cover (43) set up the bottom at mount pad (41), fixed cover (43) set up with motor (42) coaxial line, fixed cover (43) are connected with motor (42), fixed cover (43) can be rotatory under the drive of motor (42), cable (33) are connected with engaging lug (44).
2. The core-drilling type pile foundation detection device according to claim 1, wherein: the core taking device is characterized by further comprising a core taking barrel (5), an anti-falling ring (51) is arranged inside the core taking barrel (5), a fixing groove (52) is formed in the outer surface of the core taking barrel (5), a threaded connecting piece (53) is arranged at the end face of the core taking barrel (5) close to the fixing groove (52), threads are arranged on the inner surface of one end, away from the fixing groove (52), of the core taking barrel (5), and the length of the core taking barrel (5) is 1 m.
3. The core-drilling type pile foundation detection device according to claim 2, wherein: the core barrel drilling tool further comprises a drill bit (6), the drill bit (6) is of a rectangular pyramid structure, and the drill bit (6) is arranged at one end, not provided with the fixing groove (52), of the core barrel (5).
4. The core-drilling type pile foundation detection device according to claim 1, wherein: stabilizing support (22) are including falling U type support (221) and fixed block (222), it is equipped with open-ended one end and mounting panel (2) fixed connection to fall U type support (221), the one end that mounting panel (2) were kept away from in the type of falling U support (221) is provided with semi-circular opening, the opening is towards fixed block (222), the upper portion of fixed block (222) is provided with semi-circular opening, the opening is towards the type of falling U support (221), the semi-circular opening of the type of falling U support (221) is unanimous with the semi-circular opening radius of fixed block (222), form a complete circle.
5. The core-drilling type pile foundation detection device according to claim 1, wherein: the side of the upright post (12) is provided with a mounting groove (121), a fixing component (122) is arranged in the mounting groove (121), the fixing component (122) comprises a fixing piece (1221) and a pedal rod (1222), the fixing piece (1221) can cling to the inner wall of the mounting groove (121) to slide up and down, the inner wall of the mounting groove (121) is provided with a connecting groove (1211), a spring (1212) is arranged in the connecting groove (1211), one end of the spring (1212) is connected with the inner wall of the connecting groove (1211), the other end of the spring (1212) is provided with a limiting block (1213), the length of the spring (1212) under normal conditions is equal to the depth of the connecting groove (1211), the upper part of the fixing piece (1221) is provided with a mounting opening (1223), the width of the mounting opening (1223) is smaller than that of the limiting block (1213), the pedal rod (1222) is arranged in the mounting opening (1223), the pedal rod (1222) is connected with the mounting opening (1223) through a connecting shaft (1224), the pedal rod (1222) can freely rotate around the connecting shaft (1224), a sliding hole (1225) is formed in the middle of the fixing piece (1221), the width of the sliding hole (1225) is larger than that of the limiting block (1213), and an anchor of a dovetail structure capable of hooking soil is arranged at the lower end of the fixing piece (1221).
6. The core-drilling type pile foundation detection device according to claim 4, wherein: one side that mounting panel (2) are close to drill core mouth (21) is provided with jack (23), and the inside of drill core mouth (21) is provided with detachable plug connector (24), and plug connector (24) can peg graft in jack (23), and the groove height of the height of plug connector (24) and fixed slot (52) equals, and plug connector (24) can contradict with fixed slot (52) tank bottom surface, and restriction coring barrel (5) rotate.
7. The core-drilling type pile foundation detection device according to claim 1, wherein: still include stabilizer bar (7), stabilizer bar (7) and stand (12) and mounting panel (2) fixed connection form triangular structure, are provided with hand frame (8) on mounting panel (2), and the both sides of mounting panel (2) are provided with gyro wheel (9) of taking the spine.
8. The core-drilling type pile foundation detection device according to claim 1, wherein: the beam (11) is provided with a bulb (10) which can be stretched out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010449340.8A CN111764441B (en) | 2020-05-25 | 2020-05-25 | Bore core formula pile foundation detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010449340.8A CN111764441B (en) | 2020-05-25 | 2020-05-25 | Bore core formula pile foundation detection device |
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| CN111764441A CN111764441A (en) | 2020-10-13 |
| CN111764441B true CN111764441B (en) | 2022-03-04 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101459063B1 (en) * | 2012-01-31 | 2014-11-07 | 바우어 머쉬넨 게엠베하 | Method and arrangement for producing a trench wall element |
| WO2017035743A1 (en) * | 2015-08-31 | 2017-03-09 | 大连理工大学 | Self-anchoring post-type sediment sampling device |
| CN209992208U (en) * | 2019-04-29 | 2020-01-24 | 天津市建桓地基基础检测有限公司 | Core drilling sampling device for pile body integrity detection |
| CN110926865A (en) * | 2020-01-01 | 2020-03-27 | 成都赋阳技术开发有限公司 | Soil sampling device for soil detection |
| CN210293757U (en) * | 2019-06-11 | 2020-04-10 | 浙江土工基础工程有限公司 | Pile foundation detects with boring core sampling device |
-
2020
- 2020-05-25 CN CN202010449340.8A patent/CN111764441B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101459063B1 (en) * | 2012-01-31 | 2014-11-07 | 바우어 머쉬넨 게엠베하 | Method and arrangement for producing a trench wall element |
| WO2017035743A1 (en) * | 2015-08-31 | 2017-03-09 | 大连理工大学 | Self-anchoring post-type sediment sampling device |
| CN209992208U (en) * | 2019-04-29 | 2020-01-24 | 天津市建桓地基基础检测有限公司 | Core drilling sampling device for pile body integrity detection |
| CN210293757U (en) * | 2019-06-11 | 2020-04-10 | 浙江土工基础工程有限公司 | Pile foundation detects with boring core sampling device |
| CN110926865A (en) * | 2020-01-01 | 2020-03-27 | 成都赋阳技术开发有限公司 | Soil sampling device for soil detection |
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