CN216689333U - Compaction degree detection device for aeolian sand - Google Patents
Compaction degree detection device for aeolian sand Download PDFInfo
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- CN216689333U CN216689333U CN202123072855.XU CN202123072855U CN216689333U CN 216689333 U CN216689333 U CN 216689333U CN 202123072855 U CN202123072855 U CN 202123072855U CN 216689333 U CN216689333 U CN 216689333U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
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Abstract
The application relates to the technical field of engineering detection equipment, in particular to a compaction degree detection device for aeolian sand, which comprises a sleeve, a test die, a fixing mechanism and a vibration mechanism, wherein the sleeve is fixedly arranged on the test die; the vibration mechanism is used for driving the test mold to vibrate; the fixing mechanism is used for fixing the sleeve and is connected with the test mold; the designed compaction degree detection device for the aeolian sand is convenient for fixing the sleeve through the fixing mechanism, and only a wind-blown sand sample with enough weight needs to be taken out below one meter of the earth surface of a construction site through the compaction degree detection device for the aeolian sand, so that the influence of the weight precision of the field sampling sample is not needed, and the accuracy of the detection data of the wind-blown sand compaction degree can be improved.
Description
Technical Field
The application relates to the technical field of engineering detection equipment, in particular to a compaction degree detection device for aeolian sand.
Background
In some areas with high desertification degree, sand grains are often diffused in the air under the combined action of desert, gobi and strong wind, the sand grains change the advancing route along with the change of the wind direction, and wind-blown sand is formed after the sand grains drift and deposit, and in areas with rich wind-blown sand resources, the wind-blown sand is often used as a construction base material for backfilling or roads.
The method comprises the steps of using tools of a sand filling cylinder, a base plate, a metal calibration tank, a balance, a small shovel and the like, determining the diameter of an excavated soil sample through the diameter of a circular hole on the base plate, and taking out the wind-blown sand soil sample under the base plate for detecting the compactness.
In view of the above-mentioned related technologies, the inventor believes that the aeolian sand belongs to fine-grained soil, and in the process of digging a pit, side wall collapse is likely to occur, so that the volume of an actually dug aeolian sand soil sample is larger than that of a theoretical aeolian sand soil sample, the calculated compaction degree is larger than the actual compaction degree, and the accuracy of the aeolian sand compaction degree detection data is affected.
SUMMERY OF THE UTILITY MODEL
In order to improve the degree of accuracy of aeolian sand compactness test data, this application provides a compactness detection device for aeolian sand, adopts following technical scheme:
a compaction degree detection device for aeolian sand comprises a sleeve, a test die, a fixing mechanism and a vibrating mechanism;
the vibration mechanism is used for driving the test mold to vibrate;
the fixing mechanism is used for fixing the sleeve and is connected with the test mold.
By adopting the technical scheme, the aeolian sand sample is taken below one meter of the earth surface of a construction site, the obtained aeolian sand sample is dried after being screened, the fixing mechanism is adjusted to fix the sleeve and the test mold, the dried clean aeolian sand is filled in the test mold and the sleeve, and the aeolian sand is higher than the plane of the top wall of the sleeve by about 2 to 3 cm, the vibration mechanism is adjusted to drive the test mold to vibrate, the test mold drives the sleeve to vibrate, meanwhile, manually adjusting the positions of the test mold and the sleeve at any time, adjusting the fixing mechanism after the vibration is finished, taking off the sleeve, scraping the aeolian sand along the upper edge opening of the test cylinder by adopting a scraper and a straight ruler, brushing off the aeolian sand around the test mold, weighing the weight of the test mold and the aeolian sand to obtain the weight of the aeolian sand, obtaining the dry density of the aeolian sand according to a dry density calculation formula of the aeolian sand, and obtaining the final dry density of the aeolian sand by adopting a mode of measuring for multiple times and averaging;
when the compaction degree of the wind-blown sand roadbed is rolled by adopting a water drop method or a water drop method plus a bulldozer or a water drop method plus a vibratory roller, a wind-blown sand sample is taken below one meter of the earth surface of a construction site, the wind-blown sand sample is screened, a fixing mechanism is adjusted, a sleeve and a test mold are fixed, a clean wind-blown sand sample is poured into the test mold and the sleeve, the wind-blown sand sample is lower than the upper edge opening of the sleeve by 3 centimeters, water is slowly added into the wind-blown sand sample until the surface of the wind-blown sand sample is reserved with water with the height of about 2 centimeters, the wind-blown sand sample is synchronously added into the test mold while the water is added so that the wind-blown sand sample is always higher than the upper edge opening of the test mold by about 1-2 centimeters, a vibrating mechanism is adjusted, the test mold drives the sleeve to vibrate, meanwhile, the positions of the test mold and the sleeve are manually adjusted at any time, the fixing mechanism is adjusted after the vibration is finished, removing the sleeve, brushing off the aeolian sand around the test mold, taking out and weighing the saturated aeolian sand sample in the test mold, placing the aeolian sand sample at 1050 ℃ for continuously drying for at least six hours, weighing the dry weight of the dried aeolian sand sample, obtaining the dry density of the aeolian sand according to the dry density calculation formula of the aeolian sand, and obtaining the final dry density of the aeolian sand by adopting a mode of measuring for multiple times and taking an average value; the compaction degree detection device for the aeolian sand is convenient for drive test mould vibration through the vibration mechanism, is convenient for fix the sleeve through the fixing mechanism, and only needs to take out an aeolian sand sample with enough weight below one meter on the earth surface of a construction site through the compaction degree detection device for the aeolian sand, so that the influence of the weight precision of the sample sampled on the site is not needed, and the accuracy of the detection data of the aeolian sand compaction degree can be improved.
Optionally, the test mold comprises a bottom plate and a test cylinder;
the bottom plate is connected with the vibration mechanism, the bottom plate is connected with the test tube, and the test tube is positioned right above the bottom plate;
the sleeve and the test tube are coaxially arranged, and the sleeve is positioned above the test tube;
the fixing mechanism is connected with the bottom plate.
By adopting the technical scheme, the designed test die is convenient for increasing the contact surface with the vibration mechanism through the bottom plate, and the possibility of side turning of the test tube and the sleeve in the vibration process is reduced.
Optionally, the fixing mechanism includes a plurality of groups of fixing assemblies, the plurality of groups of fixing assemblies are uniformly distributed along the circumferential direction of the sleeve, and each fixing assembly includes a connecting lug, a screw rod and a fixing nut;
the connecting lug is connected with the sleeve;
the screw rod is connected with the bottom plate, penetrates through the connecting lug piece and is connected with the connecting lug piece in a sliding manner;
the fixing nut is located above the connecting lug piece and is in threaded connection with the screw rod.
By adopting the technical scheme, the position of the sleeve is adjusted, so that the screw rod penetrates through the connecting lug plate, and then the fixing nut is screwed to fix the sleeve and the bottom plate; after the vibration is finished, screwing the fixing nut, and applying force to the sleeve to separate the sleeve from the test cylinder; the fixing mechanism of design is convenient for realize the fixed of sleeve and examination section of thick bamboo and separate with fixation nut and connection auricle cooperation through the screw rod.
Optionally, the vibration mechanism comprises a placing plate and a vibration assembly for driving the placing plate to vibrate;
the plane on which the placing plate is arranged is horizontally arranged, and the bottom plate is placed on the placing plate.
Through adopting above-mentioned technical scheme, the vibration mechanism of design is convenient for drive through the vibration subassembly and places the board vibration, is convenient for place the bottom plate through placing the board.
Optionally, the vibration assembly includes a base, a vibration motor and at least three vibration springs;
the axial directions of at least three vibration springs are arranged in parallel, one end of each vibration spring is connected with the base, and the other end of each vibration spring is connected with the placing plate;
the vibration motor is connected with one side, far away from the bottom plate, of the placing plate.
By adopting the technical scheme, the external power supply provides electric energy for the work of the vibration motor, and the vibration motor works to drive the placing plate to vibrate; the vibration subassembly of design is convenient for install vibrating spring through the base, is convenient for through vibrating spring place the board in the support with vibrating motor cooperation realize placing the vibration of board.
Optionally, the placing plate is connected with at least three limiting blocks, the at least three limiting blocks are distributed along the periphery of the bottom plate, the limiting blocks are used for preventing the bottom plate from moving along a plane parallel to the placing plate, and the limiting blocks are abutted to the bottom plate.
Through adopting above-mentioned technical scheme, the stopper of design can prevent that the bottom plate from along being on a parallel with the plane motion of placing the board place, and then prevents that the examination mould from moving to the border position of placing the board in the intermediate position of placing the board in vibration process.
Optionally, a protective fence is connected to the periphery of the placing plate.
Through adopting above-mentioned technical scheme, the rail guard of design can prevent that the examination mould from dropping from placing the board.
Optionally, the guard rail is provided with a water outlet.
Through adopting above-mentioned technical scheme, the outlet of design is convenient for discharge and is placed the water of piling up on the board.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the designed wind-blown sand compaction degree detection device is convenient for fixing the sleeve through the fixing mechanism, and only a wind-blown sand sample with enough weight needs to be taken out below one meter of the earth surface of a construction site through the wind-blown sand compaction degree detection device, so that the influence of the weight precision of the field sampling sample is avoided, and the accuracy of wind-blown sand compaction degree detection data can be improved;
2. the designed compaction degree detection device for aeolian sand can prevent the bottom plate from moving along a plane parallel to the placement plate through the limiting block, and further prevent the test mold from moving to the edge position of the placement plate at the middle position of the placement plate in the vibration process
3. The designed compaction degree detection device for the aeolian sand is convenient to discharge water accumulated on the placing plate through the water outlet.
Drawings
Fig. 1 is a schematic overall structure diagram of a compaction degree detection device for aeolian sand according to an embodiment of the present application;
fig. 2 is a partial structural schematic diagram of a compaction degree detection device for aeolian sand according to an embodiment of the present application.
Reference numerals: 1. a sleeve; 2. testing a mold; 21. a base plate; 22. testing the cylinder; 3. a fixing mechanism; 31. a fixing assembly; 311. connecting a lug plate; 312. a screw; 313. fixing a nut; 4. a vibration mechanism; 41. placing the plate; 42. a vibrating assembly; 421. a base; 422. a vibration motor; 423. a vibration spring; 5. a limiting block; 6. protecting the fence; 7. a water outlet; 8. a safety cartridge.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses compaction degree detection device for aeolian sand.
Referring to fig. 1, a compaction degree detection device for aeolian sand includes sleeve 1, examination mould 2, fixed establishment 3 and vibration mechanism 4, and the equal opening setting in both ends of sleeve 1, vibration mechanism 4 are used for driving examination mould 2 to vibrate, and fixed establishment 3 is used for fixed sleeve 1, and fixed establishment 3 is connected with examination mould 2.
Referring to fig. 1 and 2, the vibration mechanism 4 includes a placing plate 41 and a vibration assembly 42 for driving the placing plate 41 to vibrate, the placing plate 41 is horizontally disposed on a plane, and in order to prevent the test molds 2 and the sleeves 1 from falling from the placing plate 41 in a direction parallel to the plane of the placing plate 41, a guard rail 6 is welded to the circumferential side of the placing plate 41, and a water outlet 7 is opened on one side of the guard rail 6.
Referring to fig. 1 and 2, the vibration assembly 42 includes a base 421, a vibration motor 422, and at least three vibration springs 423, the axial directions of the at least three vibration springs 423 are parallel to each other, and the axial directions of the vibration springs 423 are vertically arranged, one end of each vibration spring 423 is welded to the base 421, and the other end is welded to the bottom wall of the placement plate 41, in this embodiment, the number of the vibration springs 423 is four, the four vibration springs 423 are respectively disposed near four corners of the placement plate 41, the vibration motor 422 is bolted to the bottom wall of the placement plate 41, and the vibration motor 422 is disposed near the middle position of the placement plate 41.
Referring to fig. 1, in order to prevent that the placing plate 41 is pressed excessively, so that the vibration motor 422 touches the base 421, the base 421 and the placing plate 41 are both welded with the safety cylinder 8, the safety cylinder 8 and the vibration spring 423 are coaxially arranged, the periphery of the vibration spring 423 is sleeved with the safety cylinder 8, the safety cylinder 8 and the vibration spring 423 are arranged in a staggered manner, and the height of the safety cylinder 8 is greater than half of the maximum height of the vibration motor 422 in the vertical direction.
Referring to fig. 2, the test mold 2 includes a bottom plate 21 and a test tube 22, the bottom plate 21 is placed on a placing plate 41, the bottom plate 21 is integrally connected with the test tube 22, the test tube 22 is located right above the bottom plate 21, two ends of the test tube 22 are all opened, the axis direction of the test tube 22 is vertically arranged, the sleeve 1 and the test tube 22 are coaxially arranged, and the sleeve 1 is located above the test tube 22.
Referring to fig. 2, the fixing mechanism 3 includes a plurality of sets of fixing components 31, the plurality of sets of fixing components 31 are uniformly distributed along the circumferential direction of the sleeve 1, the number of the fixing components 31 in this embodiment is two, the two sets of fixing components 31 are uniformly distributed along the circumferential direction of the sleeve 1, each fixing component 31 includes a connection lug 311, a screw 312 and a fixing nut 313, the plane where the connection lug 311 is located is horizontally disposed, the connection lug 311 is welded to the outer circumferential side of the sleeve 1, the screw 312 is vertically disposed in the axial direction, the screw 312 is welded to the top wall of the bottom plate 21, the screw 312 is vertically disposed in the axial direction, the screw 312 passes through the connection lug 311, the screw 312 is connected to the connection lug 311 in a sliding manner, the fixing nut 313 is located above the connection lug 311, the fixing nut 313 is connected to the screw 312 in a threaded manner, and in this embodiment, the fixing nut 313 is a butterfly nut.
Referring to fig. 2, there are at least three stoppers 5 bolted on the placing plate 41, and at least three stoppers 5 are distributed along the peripheral side of the bottom plate 21, and the stoppers 5 are close to one side of the bottom plate 21 and abut against the bottom plate 21, and the number of the stoppers 5 is four in this embodiment, and four stoppers 5 are respectively close to four sides of the bottom plate 21, and four stoppers 5 are close to the middle position of the placing plate 41.
The implementation principle of the compaction degree detection device for the aeolian sand in the embodiment of the application is as follows: taking a drift sand sample below one meter of the earth surface of a construction site, drying the sample after screening the sample, adjusting the position of the sleeve 1 to enable the screw 312 to penetrate through the connecting lug 311, then screwing the fixing nut 313 to fix the sleeve 1 and the bottom plate 21, clamping the bottom plate 21 between the limiting blocks 5, filling the test tube 22 and the sleeve 1 with the dried clean drift sand, enabling the drift sand to be about 2 to 3 centimeters higher than the plane of the top wall of the sleeve 1, supplying electric energy for the vibration motor 422 to work, driving the placing plate 41 to vibrate by the vibration motor 422, driving the bottom plate 21 to vibrate by the placing plate 41, driving the test tube 22 to vibrate by the bottom plate 21, driving the sleeve 1 to vibrate by the test tube 22 after the vibration is finished, screwing the fixing nut 313 to separate the sleeve 1 from the test tube 22, taking off the sleeve 1, scraping the drift sand along the upper edge of the test tube 22 by a scraper and a straight ruler, brushing off the aeolian sand around the bottom plate 21, weighing the test mold 2 and the aeolian sand to obtain the weight of the aeolian sand, then obtaining the dry density of the aeolian sand according to a dry density calculation formula of the aeolian sand, and obtaining the final dry density of the aeolian sand by adopting a mode of measuring for many times and taking an average value;
when the compaction degree of the wind-blown sand roadbed is rolled by a water drop method or a water drop method plus a bulldozer or a water drop method plus a vibratory roller is detected, a wind-blown sand sample is taken below one meter of the ground surface of a construction site, the wind-blown sand sample is screened, the position of a sleeve 1 is adjusted, a screw 312 penetrates through a connecting lug 311, a fixing nut 313 is screwed, the sleeve 1 and a bottom plate 21 are fixed, the bottom plate 21 is clamped between limiting blocks 5, a clean wind-blown sand sample is poured into a test mold 2 and the sleeve 1, the wind-blown sand sample is lower than the upper edge of the sleeve 1 by 3 centimeters, water is slowly added into the wind-blown sand sample until the surface of the wind-blown sand sample is reserved with about 2 centimeters of water, the wind-blown sand sample is synchronously added into the test mold 2 while the water is added, so that the wind-blown sand sample is always higher than the upper edge of the test mold 2 by about 1 to 2 centimeters of height, an external power supply provides electric energy for the work of a vibratory motor 422, vibrating motor 422 work drives places board 41 vibration, place board 41 and drive bottom plate 21 vibration, bottom plate 21 drives test section of thick bamboo 22 vibration, test section of thick bamboo 22 drives sleeve 1 vibration, after the vibration, twist fixation nut 313 and make sleeve 1 and test section of thick bamboo 22 separation, get away sleeve 1, brush the aeolian sand around bottom plate 21 off, take out the aeolian sand sample of saturation in the examination mould 2 and weigh, then place aeolian sand sample in 1050 ℃ and dry for six hours in succession, weigh the aeolian sand sample dry weight after the stoving, then obtain the dry density of aeolian sand according to the dry density computational formula of aeolian sand, and adopt the mode of many times measuring and getting the average to obtain final aeolian sand's dry density.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The compaction degree detection device for the aeolian sand is characterized by comprising a sleeve (1), a test mold (2), a fixing mechanism (3) and a vibrating mechanism (4);
the vibration mechanism (4) is used for driving the test mold (2) to vibrate;
the fixing mechanism (3) is used for fixing the sleeve (1), and the fixing mechanism (3) is connected with the test mold (2).
2. The apparatus for detecting the compaction degree of aeolian sand according to claim 1, wherein said test mold (2) comprises a base plate (21) and a test cylinder (22);
the bottom plate (21) is connected with the vibration mechanism (4), the bottom plate (21) is connected with the test tube (22), and the test tube (22) is positioned right above the bottom plate (21);
the sleeve (1) and the test tube (22) are coaxially arranged, and the sleeve (1) is positioned above the test tube (22);
the fixing mechanism (3) is connected with the bottom plate (21).
3. The aeolian sand compaction degree detection device according to claim 2, wherein said fixing mechanism (3) comprises a plurality of sets of fixing assemblies (31), said plurality of sets of fixing assemblies (31) being uniformly distributed along the circumference of said sleeve (1), said fixing assemblies (31) comprising a connecting lug (311), a screw (312) and a fixing nut (313);
the connecting lug (311) is connected with the sleeve (1);
the screw (312) is connected with the bottom plate (21), the screw (312) penetrates through the connecting lug (311), and the screw (312) is connected with the connecting lug (311) in a sliding manner;
the fixing nut (313) is positioned above the connecting lug (311), and the fixing nut (313) is in threaded connection with the screw rod (312).
4. The apparatus for detecting the degree of compaction for aeolian sand according to claim 2, characterised in that said vibrating mechanism (4) comprises a resting plate (41) and a vibrating assembly (42) for driving said resting plate (41) to vibrate;
the plane of the placing plate (41) is horizontally arranged, and the bottom plate (21) is placed on the placing plate (41).
5. The apparatus for detecting compaction for aeolian sand according to claim 4, characterised in that said vibrating assembly (42) comprises a base (421), a vibrating motor (422) and at least three vibrating springs (423);
at least three vibration springs (423) are arranged in parallel in the axis direction, one end of each vibration spring (423) is connected with the base (421), and the other end of each vibration spring (423) is connected with the placing plate (41);
the vibration motor (422) is connected with one side of the placing plate (41) far away from the bottom plate (21).
6. The device for detecting the compaction degree for aeolian sand according to claim 4, wherein at least three limiting blocks (5) are connected to said placing plate (41), at least three limiting blocks (5) are distributed along the peripheral side of said bottom plate (21), said limiting blocks (5) are used for preventing the bottom plate (21) from moving along a plane parallel to the placing plate (41), and said limiting blocks (5) are abutted to said bottom plate (21).
7. The wind-blown sand compaction degree detecting device according to claim 4, wherein a guard rail (6) is connected to a peripheral side of the placing plate (41).
8. The wind-blown sand compaction degree detection device according to claim 7, wherein the guard rail (6) is provided with a water outlet (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123072855.XU CN216689333U (en) | 2021-12-07 | 2021-12-07 | Compaction degree detection device for aeolian sand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123072855.XU CN216689333U (en) | 2021-12-07 | 2021-12-07 | Compaction degree detection device for aeolian sand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216689333U true CN216689333U (en) | 2022-06-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123072855.XU Active CN216689333U (en) | 2021-12-07 | 2021-12-07 | Compaction degree detection device for aeolian sand |
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| Country | Link |
|---|---|
| CN (1) | CN216689333U (en) |
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2021
- 2021-12-07 CN CN202123072855.XU patent/CN216689333U/en active Active
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