CN114216724B - Rock-soil investigation sampling device and sampling method for building design - Google Patents
Rock-soil investigation sampling device and sampling method for building design Download PDFInfo
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- CN114216724B CN114216724B CN202111547946.6A CN202111547946A CN114216724B CN 114216724 B CN114216724 B CN 114216724B CN 202111547946 A CN202111547946 A CN 202111547946A CN 114216724 B CN114216724 B CN 114216724B
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- 238000005070 sampling Methods 0.000 title claims abstract description 240
- 239000002689 soil Substances 0.000 title claims abstract description 89
- 238000011835 investigation Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims description 16
- 238000007789 sealing Methods 0.000 claims abstract description 55
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 230000005540 biological transmission Effects 0.000 claims description 32
- 239000011435 rock Substances 0.000 claims description 25
- 238000005553 drilling Methods 0.000 claims description 21
- 238000009434 installation Methods 0.000 claims description 13
- 238000005527 soil sampling Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000010977 jade Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
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- Life Sciences & Earth Sciences (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The application relates to a geotechnical investigation sampling device for architectural design, which relates to the field of geotechnical investigation engineering and comprises a sampling bracket and a supporting cylinder body fixed on the sampling bracket, wherein a rotary drill outer cylinder is arranged on the supporting cylinder body in a penetrating manner, a sampling inner cylinder is arranged in the rotary drill outer cylinder, a sampling port is arranged at the bottom end of the sampling inner cylinder, a sealing mechanism is arranged between the sampling inner cylinder and the rotary drill outer cylinder, the sealing mechanism comprises a mounting annular plate, a plurality of sealing slices and a driving assembly, the mounting annular plate is fixed on the sampling inner cylinder, the sealing slices are distributed along the circumferential direction of the mounting annular plate, two adjacent sealing slices are arranged at intervals in the axial direction of the sampling inner cylinder in a staggered manner, each sealing slice is connected with the driving assembly, and the driving assembly is used for driving the sealing slices to rotate towards the sampling port so as to seal the sampling port. According to the application, the soil sample is not easy to be disturbed during sampling, and the soil in the sampling inner cylinder is not easy to be disturbed by the outside when the soil sample is taken out, so that the pollution of the soil sample is reduced, and the accuracy of a subsequent test result is ensured.
Description
Technical Field
The application relates to the field of geotechnical investigation engineering, in particular to geotechnical investigation sampling equipment and sampling method for building design.
Background
After the construction drawing is designed, the actual construction is needed, the rock and soil of the actual construction position is required to be subjected to investigation sampling, the rock and soil investigation sampling is used for knowing the specific requirements of engineering such as construction conditions, foundation treatment and the like, and a basis is provided for the design and construction.
The related Chinese patent of publication No. CN210863227U discloses a geotechnical investigation sampling device for architectural design, which comprises a barrel, wherein the barrel is provided with a top plate, the top plate is provided with a rotating shaft, the rotating shaft is provided with a drill bit, the upper side of the drill bit is provided with a screw conveying propeller fixedly connected with the rotating shaft, the outer diameter of the screw conveying propeller is matched with the inner diameter of the barrel, the lower end of the barrel is fixedly connected with a lower barrel matched with the drill bit, the upper end of the rotating shaft is fixedly connected with a handle, the front side of the barrel is provided with an L-shaped pipeline, the L-shaped pipeline is communicated with the barrel, the pipe orifice of the L-shaped pipeline faces downwards, the lower end of the L-shaped pipeline is in threaded connection with a transparent receiving bottle, the left side and the right side of the barrel are both fixedly connected with L-shaped brackets, and the lower ends of the two L-shaped brackets are both fixedly connected with a rectangular bottom plate.
Aiming at the related technology, the inventor considers that the disturbance degree of the soil sample is one of important factors influencing the quality of the soil sample, and the related sampling device conveys soil into the transparent receiving bottle through the screw conveying propeller, so that the disturbance degree of the soil sample is easily overlarge, and the data accuracy of the subsequent test detection result is influenced.
Disclosure of Invention
In order to solve the problems, the application provides a geotechnical investigation sampling device and a sampling method for building design.
The application provides a geotechnical investigation sampling device for building design, which adopts the following technical scheme:
The utility model provides a geotechnical investigation sampling device for architectural design, includes the sample support and fixes the open-ended support barrel in the sample support, wear to be equipped with on the support barrel and bore the urceolus soon, it bores the urceolus soon to be provided with the sample inner tube to bore soon, the sampling mouth has been seted up to the bottom of sample inner tube, be provided with the sealing mechanism that is used for sealing the sampling mouth between sample inner tube and the outer tube that bores soon, sealing mechanism includes the installation crown, rotates a plurality of section and the actuating assembly of sealing of connection on the installation crown, the installation crown is fixed on the outer wall that the sample inner tube is close to the sampling mouth, a plurality of seal the section is arranged along the circumference of installation crown, adjacent two seal the interval dislocation set in the axial of sample inner tube between the section, each seal the section and all be connected with actuating assembly, actuating assembly is used for driving seal the section and rotates in order to seal the sampling mouth.
By adopting the technical scheme, when sampling is carried out, the rotary drilling outer cylinder and the sampling inner cylinder are inserted into rock soil, soil in the rock soil enters the sampling inner cylinder through the sampling port, then the driving assembly drives the sealing slice to rotate towards the direction close to the sampling port, the sampling port is sealed, meanwhile, the soil sample in the sampling inner cylinder is isolated from external soil, the soil sample in the sampling inner cylinder is kept stable, the soil sample is not easily disturbed when the soil sample is taken out, and the soil in the sampling inner cylinder is not easily disturbed by the external world; after the sealing mechanism seals the sampling port, soil samples with different depths are not easy to enter the sampling inner cylinder in the process of taking out, so that the pollution of the soil samples is reduced, and the accuracy of the follow-up test results is ensured.
Preferably, the driving assembly comprises an internal gear, a transmission sleeve and a plurality of transmission gears, the transmission gears are in one-to-one correspondence with the sealing sheets, a connecting rod is fixed between the corresponding transmission gears and the sealing sheets, the connecting rod penetrates through the mounting ring plate, and the sealing sheets are rotationally connected with the mounting ring plate through the connecting rod; the internal gear is sleeved on the outer side of each transmission gear, and each transmission gear is meshed with the internal gear; the transmission sleeve is sleeved on the outer side of the inner gear, the transmission sleeve is fixedly connected with the inner gear, the transmission sleeve is rotationally connected with the sampling inner cylinder, an adjusting rod is fixed on the transmission sleeve, and an adjusting hole for the adjusting rod to penetrate is formed in the rotary drill outer cylinder.
Through adopting above-mentioned technical scheme, when using drive assembly to drive to seal the section, rotate the drive sleeve through the adjusting lever, the drive sleeve drives the internal gear and rotates in step, and the internal gear meshes with each drive gear, and then drive gear passes through the connecting rod and drives corresponding section rotation that seals to the realization is to the switching of sampling port.
Preferably, a locking piece is arranged between the adjusting rod and the rotary drill outer cylinder, and the adjusting rod is relatively fixed with the rotary drill outer cylinder through the locking piece.
Through adopting above-mentioned technical scheme, the adjusting lever passes through the retaining member and bores the urceolus relatively fixed soon, and then makes sealing mechanism keep stable, seals the section and seals the sampling port when, seals the section and is difficult for receiving external interference and appear not hard up.
Preferably, the inner sampling cylinder is internally provided with a mounting plate, one side of the mounting plate, facing the sampling port, is provided with a sampling die, one end, far away from the mounting plate, of the sampling die is provided with a sampling groove, and the sampling die and the mounting plate are detachably connected.
Through adopting above-mentioned technical scheme, through installation sampling die in the sample inner tube take out the sample, conveniently take out the soil sample from sampling device to be favorable to the removal and the depositing of soil sample.
Preferably, the mounting plate is connected with the sampling inner cylinder in a sliding manner, an adjusting screw is arranged on one side, far away from the sampling die, of the mounting plate, one end of the adjusting screw is connected with the mounting plate in a rotating manner, and the other end of the adjusting screw penetrates out of the rotary drilling outer cylinder and is connected with the rotary drilling outer cylinder in a threaded manner.
Through adopting above-mentioned technical scheme, through rotating adjusting screw, adjusting screw drives the mounting panel and slides in the sample inner tube, adjusts the position of mounting panel at the sample inner tube, then makes the sample die that can install different length in the sample inner tube for this sampling device has better suitability.
Preferably, the inner wall of the sampling inner barrel is provided with a plurality of guide grooves, the length direction of each guide groove is parallel to the axial direction of the sampling inner barrel, a first guide block matched with the guide groove is fixed on the mounting plate, and the first guide block is positioned in the guide groove.
Through adopting above-mentioned technical scheme, drive the mounting panel through adjusting screw and remove the in-process in the sample inner tube, the mounting panel passes through the inner wall sliding connection of first guide block and guide slot, and guide slot and first guide block play the guide effect to the removal of mounting panel for the removal of mounting panel is more steady.
Preferably, the sampling mould is fixed with the connecting block on being close to the outer wall of mounting panel, set up the spread groove that supplies the connecting block to insert on the mounting panel, set up the mounting groove on the lateral wall of spread groove, be equipped with elastic component and locking piece in the mounting groove, the one end and the locking piece fixed connection of elastic component, the other end and the inner wall fixed connection of mounting groove of elastic component, the locking groove that supplies the locking piece to insert is seted up to the connecting block.
Through adopting above-mentioned technical scheme, when the sampling die is installed on the mounting panel, insert the connecting block and establish in corresponding spread groove, when the connecting block inserts and establishes in the spread groove, the locking piece is under the elastic force effect of elastic component, and the locking piece inserts the locking inslot to relatively fixed between sampling die and the mounting panel, installation convenient operation.
Preferably, one side of the locking block, which is close to the elastic piece, is provided with a pull rope, a first wire hole for the pull rope to penetrate is formed in the mounting plate, a second wire hole for the pull rope to penetrate is formed in one end of the adjusting screw penetrating out of the rotary drill outer cylinder, the first wire hole is communicated with the second wire hole, and one end of the pull rope, which is far away from the locking block, penetrates out of the adjusting screw sequentially through the first wire hole and the second wire hole.
Through adopting above-mentioned technical scheme, when dismantling the sampling die from the mounting panel, through the pulling tensile for the locking piece withdraws from the locking inslot and withdraws from the mounting groove, thereby can take out the sampling die from the sample inner tube, make the dismantlement convenient operation of sampling die.
Preferably, a second guide block matched with the guide groove is fixed on the outer wall of the sampling die, and the second guide block is positioned in the guide groove.
Through adopting above-mentioned technical scheme, when the sampling die is installed at the mounting panel, insert the sampling die from the sampling port, the second guide block slides in the guide slot, and second guide block and guide slot play the positioning action to the installation of sampling die for the connecting block can be smooth insert corresponding spread groove.
The application provides a rock-soil investigation sampling method which adopts the following technical scheme:
A sampling method for rock-soil investigation comprises the following steps,
S1, installing a soil sample mould with a corresponding length size on a mounting plate according to the soil sample size requirement required by a test;
s2, fixing a sampling bracket on the surface of the rock and soil to be sampled;
S3, rotating and downwards pressing the rotary drilling outer cylinder, and driving the sampling inner cylinder and the sampling mold to be inserted into the rock soil for sampling by the rotary drilling outer cylinder;
S4, driving the sealing slice to rotate in a direction close to the sampling port through the driving assembly, sealing the sampling port, and isolating a soil layer outside the sampling port from a soil sample of the sampling mold;
s5, rotating and lifting the rotary drilling outer cylinder upwards in the direction opposite to the direction in S, wherein the rotary drilling outer cylinder drives the sampling inner cylinder and the sampling die to withdraw from the rock soil;
S6: the driving component drives the sealing plate to rotate in the direction away from the sampling port, so that the sampling port is opened;
S7: and taking the sampling mold out of the sampling inner cylinder to finish the rock and soil sampling operation.
Through adopting above-mentioned technical scheme, when taking a sample the in-process, sealing mechanism is sealed the sample connection, also keeps apart the soil sample in the sample inner tube with outside soil, the soil sample in the sample inner tube keeps stable, not only under the disturbance that the soil sample received when taking a sample, and when taking out the soil sample, the soil in the sample inner tube is also difficult for receiving external disturbance, and sealing mechanism seals the sample connection after, the soil sample is in taking out the in-process, the soil of different degree of depth also is difficult for entering into in the sample inner tube, reduce the pollution of soil sample, the accuracy of the assurance follow-up test result.
In summary, the present application includes at least one of the following beneficial technical effects:
1. By arranging the sealing mechanism, the soil sample in the sampling inner cylinder is isolated from external soil, the soil sample in the sampling inner cylinder is kept stable, the soil sample is not easy to be disturbed when the soil sample is sampled, the soil in the sampling inner cylinder is not easy to be disturbed by the outside when the soil sample is taken out, and the soil samples with different depths are easy to enter the sampling inner cylinder in the taking out process, so that the pollution of the soil sample is reduced, and the accuracy of the subsequent test result is ensured;
2. Through setting up mounting panel and adjusting screw, adjusting screw drives the mounting panel and slides in the sample inner tube, adjusts the position of mounting panel in the sample inner tube, then makes the sampling die that can install different length in the sample inner tube for this sampling device has better suitability.
Drawings
Fig. 1 is a schematic diagram of an overall structure of a geotechnical investigation sampling device for architectural design according to an embodiment of the present application.
Fig. 2 is a cross-sectional view of a geotechnical survey sampling apparatus for a building design according to an embodiment of the present application.
FIG. 3 is a partial cross-sectional view of an embodiment of the present application for embodying the internal structure of a sampling inner barrel.
An enlarged partial view of the portion a in fig. 4.
FIG. 5 is a partial schematic view of an embodiment of the present application for embodying a sealing mechanism.
Fig. 6 is a partial enlarged view of the portion B in fig. 3.
Fig. 7 is a partial enlarged view of the C portion in fig. 3.
Reference numerals illustrate: 1. a sampling bracket; 11. a support leg; 12. a pedal; 121. a placement groove; 13. a rod; 14. a hinge base; 2. a support cylinder; 3. a rotary drill outer cylinder; 31. a helical blade; 32. rotating the handle; 33. an adjustment aperture; 4. sampling an inner cylinder; 41. a guide groove; 42. a sampling port; 5. sampling a mold; 51. a connecting block; 52. a second guide block; 53. a sampling groove; 511. a locking groove; 6. a sealing mechanism; 61. installing a ring plate; 62. sealing and slicing; 63. a drive assembly; 631. a transmission gear; 632. an internal gear; 633. a drive sleeve; 634. an adjusting lever; 635. a locking member; 636. a connecting rod; 7. a connection structure; 71. a locking block; 711. a guide wedge surface; 72. an elastic member; 73. a pull rope; 8.a mounting plate; 81. a connecting groove; 82. a mounting groove; 83. a first wire hole; 84. a first guide block; 9. adjusting a screw; 91. and a second wire hole.
Detailed Description
The application is described in further detail below with reference to fig. 1-7.
The embodiment of the application discloses a geotechnical investigation sampling device for building design. Referring to fig. 1 and 2, a geotechnical investigation sampling device for architectural design comprises a sampling bracket 1, a sealing mechanism 6, a supporting cylinder 2, a rotary drilling outer cylinder 3, a sampling inner cylinder 4 and a sampling die 5. The support cylinder 2 is welded and fixed on the sampling bracket 1, the rotary drill outer cylinder 3 is coaxially arranged in the support cylinder 2 in a penetrating mode, and the rotary drill outer cylinder 3 and the bottom end of the support cylinder 2 are both arranged in an opening mode. The sampling inner tube 4 is located and bores urceolus 3 soon, and sampling inner tube 4 and bore urceolus 3 coaxial fastening soon, and sampling mouth 42 that supplies the soil sample to get into is offered on the top of sampling inner tube 4, and sealing mechanism 6 installs between sampling inner tube 4 and bore urceolus 3 soon, and sealing mechanism 6 is used for controlling the logical closure of sampling mouth 42, and sampling die 5 installs at sampling inner tube 4, and sampling groove 53 has been offered to sampling die 5 one end that is close to sampling die 5.
Referring to fig. 1 and 2, when sampling is performed, the sampling port 42 is in an open state, the rotary drill outer cylinder 3 and the sampling inner cylinder 4 are inserted into rock soil, the soil enters the sampling mold 5 through the sampling port 42, and then the sampling port 42 is closed under the action of the sealing mechanism 6, so that the soil sample in the sampling mold 5 is isolated from the soil outside, the stability of the soil in the sampling mold 5 is ensured, the soil is not easily disturbed and polluted by the outside, and the accuracy of the subsequent test results is improved.
Referring to fig. 1 and 2, the sampling bracket 1 includes two legs 11 symmetrically disposed about a central axis of the support cylinder 2, one end of the legs 11 is welded to the support cylinder 2, and the other end is welded to a pedal 12. The pedal 12 is hinged with a plurality of inserted bars 13, and the inserted bars 13 are uniformly distributed along the length direction of the pedal 12. A plurality of placing grooves 121 for placing the inserting rods 13 are formed in the bottom surface of the pedal 12, the placing grooves 121 are in one-to-one correspondence with the inserting rods 13, the hinging seats 14 are arranged at one ends of the placing grooves 121, the hinging seats 14 are fixedly welded with the side walls of the pedal 12, the inserting rods 13 are hinged with the pedal 12 through the hinging seats 14, and the rotatable angle of the inserting rods 13 is 90 degrees. When the rock soil investigation sampling is carried out, the inserting rod 13 is inserted into the rock soil, and the pedal 12 is stepped on to carry out sampling operation, so that the sampling device is kept stable, and the sampling effect is improved.
Referring to fig. 1 and 2, a screw blade 31 is welded and fixed to the outer circumferential surface of one end of the rotary drill outer cylinder 3 penetrating into the support cylinder 2, and a rotary handle 32 is welded and fixed to the top end of the rotary drill outer cylinder 3. When sampling the rock and soil, the rotary handle 32 rotates and presses the rotary drilling outer cylinder 3 downwards, and the spiral blades 31 enable the rotary drilling outer cylinder 3 to smoothly rotate and drill into the rock and soil.
Referring to fig. 3 and 4, the sealing mechanism 6 includes a mounting ring plate 61, a plurality of sealing blades 62, and a drive assembly 63. The mounting ring plate 61 is sleeved on the outer wall of the sampling inner cylinder 4, which is close to the sampling port 42, and the mounting ring plate 61 and the sampling inner cylinder 4 are coaxially fixed. The seal section 62 is wholly colluded the jade shape, and a plurality of seal section 62 all rotate and connect on installation annular plate 61, and a plurality of seal section 62 evenly arrange along the circumference of installation annular plate 61, and adjacent two seal section 62 are at the axial of sample inner tube 4 interval dislocation set, and laminating each other between the adjacent two seal section 62. Each sealing slice 62 is connected with a driving component 63, and the driving component 63 is used for driving the sealing slices 62 to rotate towards a direction approaching or separating from the sampling port 42 so as to realize opening and closing of the sampling port 42.
Referring to fig. 4 and 5, the driving assembly 63 includes a driving sleeve 633, an internal gear 632, and a plurality of driving gears 631, the driving sleeve 633 is coaxially sleeved on the outer side of the sampling inner cylinder 4, the driving sleeve 633 is rotatably connected with the sampling inner cylinder 4, the internal gear 632 is welded and fixed to the inside of one end of the driving sleeve 633 facing the sampling port 42, the internal gear 632 is coaxial with the driving sleeve 633, and the internal gear 632 is located at the top of the mounting ring plate 61. Each transmission gear 631 is located the inboard of internal gear 632 and all meshes with internal gear 632, and transmission gear 631 and seal section 62 one-to-one, and each transmission gear 631 is coaxial to be fixed with connecting rod 636, and the one end that connecting rod 636 kept away from transmission gear 631 passes installation annular plate 61 and with seal section 62 fixed connection to when transmission gear 631 rotates, transmission gear 631 passes through connecting rod 636 and drives seal section 62 synchronous rotation.
Referring to fig. 3 and 6, in order to facilitate the operation of the driving assembly 63 by a worker, the top surface of the rotary drill outer cylinder 3 is provided with an adjusting hole 33, the adjusting hole 33 is arc-shaped in the length direction, the adjusting hole 33 is coaxial with the rotary drill outer cylinder 3, an adjusting rod 634 is penetrated in the adjusting hole 33, and one end of the adjusting rod 634 penetrating into the rotary drill outer cylinder 3 is connected with the transmission sleeve 633.
Referring to fig. 4 and 6, a worker drives the driving sleeve 633 to rotate through the adjusting rod 634, the driving sleeve 633 drives the internal gear 632 to rotate, the internal gear 632 drives the driving gear 631 to rotate, the driving gear 631 drives the sealing slice 62 to rotate through the connecting rod 636, and then the sealing slice 62 realizes the opening and closing of the sampling port 42. In order to keep the seal slice 62 stable when the sampling port 42 is opened or closed, a locking member 635 is disposed between the adjusting rod 634 and the rotary drill outer cylinder 3, in this embodiment, the locking member 635 is a locking nut, the locking nut is sleeved on the adjusting rod 634, and the locking nut is in threaded connection with the adjusting rod 634. When the sealing slice 62 is not required to rotate, the locking nut is screwed, so that the locking nut is abutted with the rotary drill outer cylinder 3, and the sealing slice 62 is kept stable.
Referring to fig. 3 and 7, a mounting plate 8 is mounted in the sampling inner cylinder 4, and a sampling die 5 is mounted on a side of the mounting plate 8 facing the sampling port 42. Two guide grooves 41 are formed in the inner wall of the sampling inner barrel 4, the two guide grooves 41 are symmetrically arranged relative to the axis of the sampling inner barrel 4, first guide blocks 84 matched with the guide grooves 41 are integrally formed in the side wall of the mounting plate 8, the first guide blocks 84 are slidably connected in the guide grooves 41, and the mounting plate 8 is slidably connected with the sampling inner barrel 4 through the first guide blocks 94.
Referring to fig. 3 and 7, an adjusting screw 9 is disposed on one side of the mounting plate 8 away from the sampling tube, one end of the adjusting screw 9 is rotatably connected with the mounting plate 8, one end of the adjusting screw 9 away from the mounting plate 8 penetrates through the rotary drill outer cylinder 3, and the adjusting screw 9 is in threaded connection with the rotary drill outer cylinder 3. Through rotating adjusting screw 9, adjusting screw 9 drives mounting panel 8 and slides in sample inner tube 4, realizes the position adjustment of mounting panel 8 in sample inner tube 4, the installation of the sampling die 5 of the different length of adaptation that then can be better.
Referring to fig. 3 and 7, a connection structure 7 is provided between the mounting plate 8 and the sampling mold 5, and the mounting plate 8 and the sampling mold 5 are detachably connected through the connection structure 7. Two connecting blocks 51 are welded and fixed on the outer wall of the sampling die 5, which is close to the mounting plate 8, two connecting grooves 81 for inserting the connecting blocks 51 are formed in the mounting plate 8, and mounting grooves 82 are formed in the inner wall of the connecting grooves 81. The connecting structure 7 includes a locking block 71 and an elastic member 72, where the locking block 71 and the elastic member 72 are both located in the mounting groove 82, and the elastic member 72 may be a spring or a shrapnel, and in this embodiment, the elastic member 72 adopts a spring. One end of the elastic member 72 is fixedly bonded with the locking block 71, and the other end is fixedly bonded with the inner wall of the mounting groove 82; the connection block 51 is provided with a locking groove 511 into which the locking block 71 is inserted. The locking block 71 is formed with a guide wedge surface 711 on a surface thereof close to the sampling mold 5, and the guide wedge surface 711 is inclined in a direction away from the elastic member 72 toward a direction away from the sampling mold 5 so that the connection block 51 is inserted into the connection groove 81. In order to ensure that the connection block 51 and the connection groove 81 can be kept aligned when the sampling die 5 is mounted on the mounting plate 8, the second guide blocks 52 matched with the guide grooves 41 are fixed on the outer wall of the sampling die 5, and the second guide blocks 52 are slidably connected in the guide grooves 41, so that good mounting and positioning effects are achieved, and the mounting convenience of the sampling die 5 is improved.
Referring to fig. 3 and 7, the connection structure 7 further includes a pull rope 73, one end of the pull rope 73 is fixedly bonded to the locking block 71, a first wire hole 83 through which the pull rope 73 passes is formed in the mounting plate 8, a second wire hole 91 through which the pull rope 73 passes is formed in one end of the adjusting screw 9, which passes through the rotary drill outer barrel 3, the first wire hole 83 and the second wire hole 91 are communicated, and one end of the pull rope 73, which is far away from the locking block 71, sequentially passes through the first wire hole 83 and the second wire hole 91, and passes through the adjusting screw 9. When the sampling mold 5 is detached from the mounting plate 8, the locking block 71 is withdrawn from the locking groove 511 and retracted into the mounting groove 82 by pulling the pull rope 73, so that the sampling mold 5 can be taken out of the sampling inner cylinder 4, and the removal operation of the sampling mold 5 is facilitated.
The implementation principle of the geotechnical investigation sampling device for building design provided by the embodiment of the application is as follows: during sampling, the sampling mold 5 is installed on the installation plate 8, afterwards, the sampling support 1 is fixed on rock soil, the rotary drilling outer cylinder 3 and the sampling inner cylinder 4 are inserted into the rock soil through the rotary handle 32, soil in the rock soil enters the sampling mold 5 through the sampling ports 42, afterwards, the driving assembly 63 drives each sealing slice 62 to rotate towards the direction of the sampling ports 42, the sampling ports 42 are sealed, meanwhile, soil samples in the sampling inner cylinder 4 are isolated from outside soil, the soil samples in the sampling inner cylinder 4 are kept stable, the soil samples are not easily disturbed when the soil samples are sampled, the soil in the sampling inner cylinder 4 is not easily disturbed by the outside when the soil samples are taken out, and the soil samples with different depths are not easily entered into the sampling inner cylinder 4 in the taking-out process after the sealing mechanism 6 seals the sampling ports 42, so that the pollution of the soil samples is reduced, and the accuracy of subsequent test results is ensured.
The embodiment of the application also discloses a sampling method for the geotechnical investigation, which comprises the following steps of applying the building arrangement and the sampling method for the geotechnical investigation by using the sampling device,
S1, mounting a sampling die 5 with a corresponding length size on a mounting plate 8 according to the soil sample size requirement required by the test. Aligning the second guide block 52 with the guide groove 41, and moving the sampling die 5 along the guide groove 41 in a direction approaching to the mounting plate 8 so that the connecting blocks 51 are inserted into the corresponding connecting grooves 81; the locking block 71 is inserted into the locking groove 511 by the elastic member 72, so that the sampling mold 5 and the mounting plate 8 are relatively fixed.
S2, a worker steps on the pedal 12 to insert the inserting rod 13 into the rock body, so that the sampling bracket 1 is fixed on the surface of the rock to be sampled.
And S3, a worker rotates and presses the rotary drill outer cylinder 3 downwards through the rotary handle 32, and the rotary drill outer cylinder 3 drives the sampling inner cylinder 4 and the sampling die 5 to be inserted into the rock soil for sampling.
S4, a worker unscrews the locking piece 635, then rotates the adjusting rod 634, the adjusting rod 634 drives the transmission sleeve 633 to rotate, the transmission sleeve 633 drives each transmission gear 631 to rotate through the internal gear 632, the transmission gears 631 drive the sealing slice 62 to rotate towards the direction close to the sampling port 42 through the connecting rod 636, the sampling port 42 is closed, and soil layers outside the sampling port 42 are separated from soil samples of the sampling mold 5.
S5, a worker screws the locking piece 635 to fix the adjusting rod 634 and the rotary drill outer cylinder 3 relatively, then rotates and lifts the rotary drill outer cylinder 3 upwards in the opposite direction to the direction in the step 3, and the rotary drill outer cylinder 3 drives the sampling inner cylinder 4 and the sampling mold 5 to withdraw from the rock soil.
S6: the worker unscrews the locking member 635 again, and then rotates the adjusting lever 634 in the opposite direction to that in step 4, the adjusting lever 634 drives the internal gear 632 to rotate through the driving sleeve 633, and the internal gear 632 drives the seal segment 62 to rotate in a direction away from the sampling port 42 through the driving gear 631, so that the sampling port 42 is opened.
S7: the staff pulls the stay cord 73, and the stay cord 73 drives the locking piece 71 to the mounting groove 82 remove, makes the locking piece 71 withdraw from in the locking groove 511, and the sample die 5 is dismantled from the mounting panel 8 to can take out sample die 5 from sampling inner tube 4, accomplish ground sample operation.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (9)
1. The utility model provides a building design is with ground reconnaissance sampling device, includes sample support (1) and fixes bottom open-ended support barrel (2) on sample support (1), its characterized in that: the rotary drilling type sampling device is characterized in that a rotary drilling outer cylinder (3) is arranged on the supporting cylinder body (2) in a penetrating manner, a sampling inner cylinder (4) is arranged in the rotary drilling outer cylinder (3), sampling ports (42) are formed in the bottom end of the sampling inner cylinder (4), a sealing mechanism (6) for sealing the sampling ports (42) is arranged between the sampling inner cylinder (4) and the rotary drilling outer cylinder (3), the sealing mechanism (6) comprises a mounting annular plate (61), a plurality of sealing slices (62) which are rotatably connected to the mounting annular plate (61) and a driving assembly (63), the mounting annular plate (61) is fixed on the outer wall, close to the sampling ports (42), of the sampling inner cylinder (4), the sealing slices (62) are distributed along the circumferential direction of the mounting annular plate (61), every two adjacent sealing slices (62) are arranged at intervals in the axial direction of the sampling inner cylinder (4) in a staggered manner, each sealing slice (62) is connected with the driving assembly (63), and the driving assembly (63) is used for driving the sealing slices (62) to rotate towards the sampling ports (42) to seal the sampling ports (42).
The driving assembly (63) comprises an inner gear (632), a transmission sleeve (633) and a plurality of transmission gears (631), the transmission gears (631) are in one-to-one correspondence with the sealing sheets (62), a connecting rod (636) is fixed between the corresponding transmission gears (631) and the sealing sheets (62), the connecting rod (636) penetrates through the mounting annular plate (61), and the sealing sheets (62) are rotationally connected with the mounting annular plate (61) through the connecting rod (636); the internal gear (632) is sleeved on the outer side of each transmission gear (631), and each transmission gear (631) is meshed with the internal gear (632); the transmission sleeve (633) is sleeved on the outer side of the inner gear (632), the transmission sleeve (633) is fixedly connected with the inner gear (632), the transmission sleeve (633) is rotationally connected with the sampling inner cylinder (4), an adjusting rod (634) is fixed on the transmission sleeve (633), and an adjusting hole (33) for the adjusting rod (634) to penetrate is formed in the rotary drill outer cylinder (3).
2. A geotechnical survey sampling apparatus for architectural design according to claim 1, wherein: a locking piece (635) is arranged between the adjusting rod (634) and the rotary drill outer cylinder (3), and the adjusting rod (634) is fixed relative to the rotary drill outer cylinder (3) through the locking piece (635).
3. A geotechnical survey sampling apparatus for architectural design according to claim 1, wherein: be provided with mounting panel (8) in sample inner tube (4), one side of mounting panel (8) orientation thief hatch (42) is provided with sampling die (5), sampling groove (53) have been seted up to one end that sampling die (5) kept away from mounting panel (8), can dismantle between sampling die (5) and mounting panel (8) and be connected.
4. A geotechnical survey sampling apparatus for architectural design according to claim 3, wherein: the device is characterized in that the mounting plate (8) is in sliding connection with the sampling inner cylinder (4), an adjusting screw (9) is arranged on one side, far away from the sampling die (5), of the mounting plate (8), one end of the adjusting screw (9) is rotationally connected with the mounting plate (8), and the other end of the adjusting screw (9) penetrates out of the rotary drilling outer cylinder (3) and is in threaded connection with the rotary drilling outer cylinder (3).
5. The geotechnical survey sampling apparatus for architectural design of claim 4, wherein: the inner wall of the sampling inner barrel (4) is provided with a plurality of guide grooves (41), the length direction of the guide grooves (41) is parallel to the axial direction of the sampling inner barrel (4), a first guide block (84) matched with the guide grooves (41) is fixed on the mounting plate (8), and the first guide block (84) is positioned in the guide grooves (41).
6. A geotechnical survey sampling apparatus for architectural design according to claim 5, wherein: connecting blocks (51) are fixed on the outer wall, close to a mounting plate (8), of the sampling die (5), connecting grooves (81) for inserting the connecting blocks (51) are formed in the mounting plate (8), mounting grooves (82) are formed in the side walls of the connecting grooves (81), elastic pieces (72) and locking blocks (71) are arranged in the mounting grooves (82), one ends of the elastic pieces (72) are fixedly connected with the locking blocks (71), the other ends of the elastic pieces (72) are fixedly connected with the inner walls of the mounting grooves (82), and locking grooves (511) for inserting the locking blocks (71) are formed in the connecting blocks (51).
7. The geotechnical survey sampling apparatus for architectural design of claim 6, wherein: one side that locking piece (71) is close to elastic component (72) is provided with stay cord (73), set up first line hole (83) that supply stay cord (73) to wear to establish on mounting panel (8), second line hole (91) that supply stay cord (73) to wear to establish are seted up to the one end that adjustment screw (9) wear out to bore urceolus (3 soon, first line hole (83) are linked together with second line hole (91), the one end that locking piece (71) was kept away from to stay cord (73) loops through first line hole (83) and second line hole (91) and wears out adjustment screw (9).
8. A geotechnical survey sampling apparatus for architectural design according to claim 5, wherein: and a second guide block (52) matched with the guide groove (41) is fixed on the outer wall of the sampling die (5), and the second guide block (52) is positioned in the guide groove (41).
9. A rock and soil investigation sampling method is characterized in that: a sampling method using a geotechnical investigation sampling device for a building design according to any of claims 3-8 comprises the steps of,
S1, installing soil sample molds with corresponding length sizes on an installation plate (8) according to the soil sample size requirements required by a test;
s2, fixing the sampling bracket (1) on the surface of the rock and soil to be sampled;
s3, rotating and downwards pressing the rotary drilling outer cylinder (3), wherein the rotary drilling outer cylinder (3) drives the sampling inner cylinder (4) and the sampling die (5) to be inserted into the rock soil for sampling;
S4, driving the sealing slice (62) to rotate towards the direction close to the sampling port (42) through the driving assembly (63), sealing the sampling port (42), and isolating soil layers outside the sampling port (42) from soil samples of the sampling mold (5);
s5, rotating in the opposite direction to the S3 and lifting the rotary drilling outer cylinder (3) upwards, wherein the rotary drilling outer cylinder (3) drives the sampling inner cylinder (4) and the sampling mould (5) to withdraw from the rock soil;
S6: the sealing plate is driven to rotate away from the sampling port (42) by the driving component (63), so that the sampling port (42) is opened;
S7: and taking the sampling mold (5) out of the sampling inner cylinder (4) to finish the rock and soil sampling operation.
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| CN114608880B (en) * | 2022-03-25 | 2022-12-02 | 天宇工程咨询有限公司 | Engineering is sampling system for supervision |
| CN114755046A (en) * | 2022-04-06 | 2022-07-15 | 苏州科技大学 | Shallow soil sampling device and soil sampling method thereof |
| CN115508132B (en) * | 2022-10-14 | 2024-09-17 | 山东省核工业二四八地质大队 | Uranium ore investigation sample collection device |
| CN118392563B (en) * | 2024-06-28 | 2024-09-20 | 中国有色金属工业昆明勘察设计研究院有限公司 | Sampling device for industrial waste residue |
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