CN209099338U - A kind of ground loaded densification degree detector - Google Patents
A kind of ground loaded densification degree detector Download PDFInfo
- Publication number
- CN209099338U CN209099338U CN201821461652.5U CN201821461652U CN209099338U CN 209099338 U CN209099338 U CN 209099338U CN 201821461652 U CN201821461652 U CN 201821461652U CN 209099338 U CN209099338 U CN 209099338U
- Authority
- CN
- China
- Prior art keywords
- gear
- ground
- box
- degree detector
- sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model belongs to technical field of building construction, specially a kind of ground loaded densification degree detector, solve the problems, such as that existing ground compactness detection process needs carry out causing inspection process complicated at the scene with laboratory branch, including support frame plates, support frame plates both ends are provided with fixed device, limit sleeve is provided in the middle part of support frame plates, cannulated sleeve is provided through in limit sleeve, gear-box is fixed at the top of cannulated sleeve, the inside axial location of cannulated sleeve is provided with drilling rod, drilling rod bottom is connected with cross drill, the upper surface of gear roof box is provided with counterweight tank and dial, the fixed pointer for being parallel to dial in the midpoint of rotational handle, stress section is provided in cross drill, stress section is connected with computer by sensing line.The utility model not only simplifies the check problem of ground compactness, can fast and accurately obtain the ground compactness numerical value of desired measurement, and effectively reduces the working strength of testing crew.
Description
Technical field
The utility model belongs to technical field of building construction, is related to foundation detection field, specially a kind of ground compactness
Detection device.
Background technique
The compaction quality of ground is that Construction Quality manages one of most important index.Only foundation structure is sufficiently pressed
It is real, it just can guarantee the intensity, rigidity and stability of ground, to extend the service life of building.The compaction quality of ground is logical
Over-voltage solidity indicates that compactness is that the dry density that ground actually reaches after compacting and indoor standard compaction test are resulting
The ratio of maximum dry density.The measurement of compactness mainly includes the determining and live density test of indoor standard density.
Common method has sand replacement method, douche, core cutter method, nuclear gauge method, brill in the measurement test of practical compactness
Core method etc..In compacting process, the relative size of gravitation and repulsion between soil particle determines the structure of compacted soil.When soil sample
When water content is smaller, intergranular gravitation is larger, under certain external compacting functions effect, can't make efficiently against gravitation
Soil particle relative movement, at this moment consolidation effect is poor;After increasing water content, in conjunction with moisture film progressive additive, gravitation reduces, soil particle
It is be easily moved under the conditions of identical function and compacted, so consolidation effect is preferable;After water content increases to a certain extent, hole
In there is Free water, the expansion effect in conjunction with moisture film is no longer significant, thus the reduction of gravitation is also not very significant, simultaneously
Free water is filled in the effect for preventing soil particle mobile in hole but with the increase of water content and gradually significantly, so this
When consolidation effect decline instead.As it can be seen that the quality of Subgrade Compaction can be effectively judged by the dry density of detection soil, so that digging
Sand replacement method and core cutter method are cheated into method the most frequently used and most accurate in compactness detection.
But it is not difficult to find that sand replacement method process of digging pit is complex, the checkout procedure of entire compactness test takes including scene
Sample and laboratory measurement and two parts are calculated, i.e., still needed in laboratory after completing soil body sampling from construction site repeatedly to taking ground
Base soil sample and poured into sand sample are handled and are weighed, and complete also to need to carry out the calculating of the final compactness of ground after making sample.It is existing
Have in the detection of ground compactness and lacks the equipment that can directly obtain result.
Summary of the invention
The utility model carries out causing to examine with laboratory branch at the scene for existing ground compactness detection process needs
The problem of testing complex procedures provides a kind of ground loaded densification degree detector.
The utility model is achieved by the following technical solution: a kind of ground loaded densification degree detector, including support frame
Plate, support frame plates are rectangular configuration and both ends are provided with the fixation device for connecting with foundation soil, the middle part of support frame plates
It is provided with limit sleeve, limit sleeve is in hollow cylindrical, and cannulated sleeve, the side wall setting of cannulated sleeve are provided through in limit sleeve
There is discharge gate, gear-box is fixed at the top of cannulated sleeve, the inside axial location of cannulated sleeve is provided with drilling rod, drilling rod bottom
It is connected with cross drill, is connected with driven gear after gear-box bottom plate at the top of drilling rod, driven gear is engaged with driving gear,
Driving gear is fixed in shaft, and shaft bottom is connected by the plate inner wall of bearing and gear-box, and gear is run through at the top of shaft
The midpoint of rotational handle is connected with after the top plate of case, the upper surface of gear roof box is provided with counterweight tank and dial, rotates hand
The pointer for being parallel to dial is fixed at the midpoint of handle, and stress section is provided in cross drill, and stress section passes through sensing line connection
There is computer.
Dial is the circular slab using shaft as the center of circle, and the radius of dial is distance of the shaft to gearbox end, is carved
Scale on scale is angle value, and minimum scale value is 5 °.
Counterweight tank is the hollow cylinder slot that the annular slab of gear-box centre setting surrounds, and counterweight tank protrudes gear-box
Top board surface and inside are used to place clump weight, and the height of annular slab is greater than the thickness of clump weight.
Fixed device includes positioning screw, is provided with locating turntable at the top of positioning screw, the support connecting with positioning screw
The upper and lower ends of frame plate are provided with location nut.
Limit sleeve bottom is generally aligned in the same plane with support frame plates bottom, and the height of limit sleeve is the 1/4 of cannulated sleeve height
~1/3, the height of cannulated sleeve is 600~800mm.
Cross drill is by being fixed on drilling rod bottom and orthogonal four blocks of steel plates form, and the steel plate of cross drill is using warp
The high-speed steel for crossing quenching and tempering is made, and is provided with stress section and stress section away from ground on four blocks of steel plates of cross drill
Height be all different.
The transmission ratio of driving gear and driven gear is 3:1.
Rotational handle is cross-shaped structure, and the end of rotational handle is provided with non-slip rubber set.
The baseplane height of cross drill is greater than the height of cannulated sleeve bottom end face, and the difference of the two is 3~5mm.
Whenever rotational handle rotates 45 °, four stress sections respectively carry out corresponding stress numerical by computer primary
Record.
The use principle of the utility model is:
When detecting to ground compactness, positioning screw is symmetrically fixed to by ground by the locating turntable of fixed device
In, complete positioning of the invention；Cannulated sleeve 6 is inserted into limit sleeve 5 and it is made to fall naturally under the effect of gravity, so that
Cross drill and ground face contact, the clump weight that quality is 150 kilograms are put into counterweight tank, artificial rotary motion handle, rotation
Handle drives driving gears by shaft, and driving gear engages driven gear rotation, and final driven gear drives drilling rod to turn
Cannulated sleeve, operation rotation can be discharged in the dynamic cutting for realizing cross drill to foundation soil, the soil for cutting loosening by discharge gate
Handle remains a constant speed rotation, rotates reading of the initial position record pointer on dial and determines it as initial zero, by
In being provided with stress section on four blades of cross drill, stress section is connect by sensing line with computer, works as initial zero
When often turning over 45° angle, by the stress value of four stress sections of stress software records in computer, until drilling rod pierces 150mm
Until soil layer；Further, obtained multiple stress numericals are averaged as final stress using computer.
Cannulated sleeve used in the utility model, cross drill, driving gear, driven gear, transmission ratio, cross rotor
The speed of rotation, the specification of clump weight and stress section distributing position etc. must not change, i.e., the utility model is necessary for marking
Standardization production.
Different ground compactnesss is detected using the utility model standard set-up, obtains corresponding stress value；This
Utility model device is also needing one test data of formulation to wait tabling look-up using preceding, and it is to different compactnesss that test data, which waits tabling look-up,
Base is done experiment using sand replacement method obtain compaction value after, further using utility model device obtain stress value, the two is done
Correspond to each other reference；After the repetition test of excessive formation compaction degree, it is a model that stress value corresponding to compactness, which can be obtained,
Enclose value.
When needing to measure the compactness of ground, final stress value directly can be obtained using the utility model, further
Compactness numerical value is obtained according to stress value size correspondence.
The utility model has the beneficial effect that compared with prior art
The utility model is designed reasonably omits the cumbersome process of ground compactness detection, utilizes the cross of uniform rotation
Drill completes the failure by shear to the test soil body, while during the soil body destroys, by setting in cross drill
Multiple stress sections on blade collect resistance to shear of soil value and obtain final answer after computer is according to the calculating of certain rule
Power average value；And then by obtained final mean stress value by easily obtaining compacting corresponding to ground after comparison of tabling look-up
Degree.Compactness detection process is required to field sampling to the utility model and laboratory test operates and the work progress calculated is excellent
Change；The bursting stress mean value that ground need to only be obtained can obtain compactness corresponding to stress average by tabling look-up.This is practical new
Type not only simplifies the check problem of ground compactness, can fast and accurately obtain the ground compacting degree of desired measurement
Value, and effectively reduce the working strength of testing crew.Utility model device is either still constructed into construction speed
This all plays positive effect, is worth promoting the use of a large area.
Detailed description of the invention
Fig. 1 is the structural representation front view of utility model device；
Fig. 2 is the structural representation top view of utility model device；
Fig. 3 is the structural schematic diagram of rotational handle position in Fig. 2.
In figure: 1- support frame plates, 2- locating turntable, 3- location nut, 4- positioning screw, 5- limit sleeve, 6- cannulated sleeve,
7- drilling rod, 8- cross drill, 9- discharge gate, 10- annular slab, 11- driven gear, 12- driving gear, 13- rotational handle, 14-
Gear-box, 15- dial, 16- pointer, 17- stress section, 18- counterweight tank, 19- shaft.
Specific embodiment
The utility model is further elaborated in referring to Fig.1~Fig. 3, a kind of ground loaded densification degree detector, including branch
Support plate 1, support frame plates 1 are rectangular configuration and both ends are provided with the fixation device for connecting with foundation soil, support frame plates 1
Middle part be provided with limit sleeve 5, limit sleeve 5 is in hollow cylindrical, is provided through cannulated sleeve 6, cannulated sleeve in limit sleeve 5
6 side wall is provided with discharge gate 9, and the top of cannulated sleeve 6 is fixed with gear-box 14, and the inside axial location of cannulated sleeve 6 is set
It is equipped with drilling rod 7,7 bottom of drilling rod is connected with cross drill 8, is connected with driven gear after 14 bottom plate of gear-box at the top of drilling rod 7
11, driven gear 11 is engaged with driving gear 12, and driving gear 12 is fixed in shaft 19, and 19 bottom of shaft passes through bearing and tooth
The plate inner wall of roller box 14 connects, and is connected with the midpoint of rotational handle 13, tooth at the top of shaft 19 after the top plate of gear-box 14
The upper surface of 14 top plate of roller box is provided with counterweight tank 18 and dial 15, and the midpoint fixation of rotational handle 13 is parallel to dial
15 pointer 16, stress section 17 is provided in cross drill 8, and stress section 17 is connected with computer by sensing line.
Gear-box 14 is toroidal cavity structure, is internally provided with driving gear 12 and driven gear 11, gear-box 14 and sky
Heart sleeve 6 is bolted to connection.Dial 15 is the circular slab with shaft 19 for the center of circle, and the radius of dial 15 is shaft
19 arrive the distance of 14 end of gear-box, and the scale on dial 15 is angle value, and minimum scale value is 5 °.Reading on dial
Number is to manual operation in the process to the indicative function of angle；When benefit of the present invention is computerizedd control the rotation of rotational handle 13
When, then the effect of dial 15 can be ignored.
Counterweight tank 18 is the hollow cylinder slot that the annular slab 10 of 14 centre of gear-box setting surrounds, and counterweight tank 18 is convex
14 top board surface of gear-box and inside are used to place clump weight out, and the height of annular slab 10 is greater than the thickness of clump weight.Clump weight
It uses quality for 150 kilograms of standard counterweight, cuts foundation soil downwards to cooperate drilling rod 7 to rotate the common cross drill 8 that provides
The active force of body.
Fixed device includes positioning screw 4, and locating turntable 2 is fixed at the top of positioning screw 4, and branch is connect with positioning screw 4
The upper and lower ends of support plate 1 are provided with location nut 3.5 bottom of limit sleeve is generally aligned in the same plane with 1 bottom of support frame plates, limit
The height of position set 5 is the 1/4~1/3 of 6 height of cannulated sleeve, and the height of cannulated sleeve 6 is 600~800mm.The height of limit sleeve 5
Degree needs to meet above-mentioned numerical value, can effectively be supported to cannulated sleeve 6, so that cannulated sleeve 6 and top tooth
The mechanisms such as roller box 14 can keep vertical fixation under the effect of gravity.
Cross drill 8 by being fixed on 7 bottom of drilling rod and orthogonal four blocks of steel plates form, adopt by the steel plate of cross drill 8
It is made with the high-speed steel by quenching and tempering, is provided with stress section 17 and stress on four blocks of steel plates of cross drill 8
The position of piece 17 is different.Cross drill 8 selects high-speed steel that can effectively avoid foundation soil abrasion caused by it, without
The cross drill 8 of abrasion rotates the soil pressure being subject to and remains unchanged, and guarantees the measurement accuracy of utility model device.
The transmission ratio of driving gear 12 and driven gear 11 is fixed value and is 3:1.The present invention using reference diameter compared with
Small driving gear 12 drives biggish 11 engagement rotation of driven gear of reference diameter to be driven although transmission efficiency is low
The function that driven gear 11 is passed in journey is larger, and then cross drill 8 more can effortlessly be driven to complete to foundation soil body
Cut work.
When detecting to ground compactness, positioning screw 4 is symmetrically fixed to ground by the locating turntable 2 of fixed device
In base, the positioning of the utility model is completed；Cannulated sleeve 6 is inserted into limit sleeve 5 and makes it under the effect of gravity under nature
It falls, so that cross drill 8 and ground face contact, the clump weight that quality is 150 kilograms are put into counterweight tank 18, artificial rotary motion
Handle 13, rotational handle 13 drive driving gear 12 to move by shaft 19, and driving gear 12 engages driven gear 11 and rotates, most
Whole driven gear 11 drives the rotation of drilling rod 7 to realize cutting of the cross drill 8 to foundation soil, and the soil for cutting loosening can pass through discharge
Mouthfuls 9 are discharged cannulated sleeves 6, and operation rotational handle 13 remains a constant speed rotation, and rotating initial position needs record pointer 16 in dial
Reading on 15 simultaneously determines it as initial zero, due to being provided with stress section 17, stress on four blades of cross drill 8
Piece 17 is connect by sensing line with computer, when initial zero often turns over 45° angle, is distinguished by the stress software in computer
The corresponding stress value of four stress sections 17 is recorded, until drilling rod 7 pierces 150mm soil layer；Wherein each stress section 17 is remembered
The stress value of record is one group, records four groups altogether, further, using computer by obtain four groups of stress numericals using specific
Algorithm is averaged the numerical value as final stress.
The calculation method of final stress average value:
Multiple stress values resulting to each stress section 17 carry out mean value computation respectively first, and when calculating removes 12 maximum values
With 12 minimum values, then residual stress value is done to the calculating of arithmetic average；
Position by the resulting arithmetic average of each stress section 17 according to stress section 17 in 8 blade of cross drill from low to high
Arrangement, is divided into 2,3,3,2 political trickery value, average weighted mode is recycled to obtain four final stress values of stress section 17.
Cannulated sleeve 6, cross drill 8 used in the utility model, driving gear 12, driven gear 11, transmission ratio, cross
17 distributing position of the speed of rotation of rotor 8, the specification of clump weight and stress section etc. must not change, i.e. the utility model
It is necessary for standardization production, the corresponding fixed tables of data of the equipment of same size.
Different ground compactnesss is detected using the utility model standard set-up, obtains corresponding stress value；This
Utility model device is also needing one test data of formulation to wait tabling look-up using preceding, and it is to different compactnesss that test data, which waits tabling look-up,
Base is done experiment using sand replacement method obtains compaction value, while obtaining stress value using utility model device, and the two is done mutually
It is realized after being correspondingly arranged；After repetition test by the way that a considerable amount of stratum are carried out with compactness, different compactings can be obtained
The corresponding range of stress value of degree.
When being measured using compactness of the utility model to ground, can directly be obtained by utility model device
Final stress value further obtains compactness corresponding to this stress value by tabling look-up.
Claims (10)
1. a kind of ground loaded densification degree detector, it is characterised in that: including support frame plates (1), support frame plates (1) are rectangular configuration
And both ends are provided with the fixation device for connecting with foundation soil, are provided in the middle part of support frame plates (1) limit sleeve (5), limit
Position set (5) is in hollow cylindrical, is provided through cannulated sleeve (6) in limit sleeve (5), the side wall of cannulated sleeve (6) is provided with
Discharge gate (9) is fixed with gear-box (14) at the top of cannulated sleeve (6), and the inside axial location of cannulated sleeve (6) is provided with brill
Bar (7), drilling rod (7) bottom are connected with cross drill (8), are connected with after gear-box (14) bottom plate at the top of drilling rod (7) driven
Gear (11), driven gear (11) are engaged with driving gear (12), and driving gear (12) is fixed on shaft (19), shaft (19)
Bottom is connect by bearing with the plate inner wall of gear-box (14), is connected after the top plate of gear-box (14) at the top of shaft (19)
There is the midpoint of rotational handle (13), the upper surface of gear-box (14) top plate is provided with counterweight tank (18) and dial (15), rotation
The pointer (16) for being parallel to dial (15) is fixed at the midpoint of handle (13), is provided with stress section (17) in cross drill (8),
Stress section (17) is connected with computer by sensing line.
2. a kind of ground loaded densification degree detector according to claim 1, it is characterised in that: dial (15) is with shaft
It (19) is the circular slab in the center of circle, the radius of dial (15) is distance that shaft (19) arrive gear-box (14) end, dial
(15) scale on is angle value, and minimum scale value is 5 °.
3. a kind of ground loaded densification degree detector according to claim 2, it is characterised in that: counterweight tank (18) is gear-box
(14) the hollow cylinder slot that the annular slab (10) of centre setting surrounds, counterweight tank (18) protrude gear-box (14) top plate table
Face and inside are used to place clump weight, and the height of annular slab (10) is greater than the thickness of clump weight.
4. a kind of ground loaded densification degree detector according to claim 3, it is characterised in that: fixed device includes positioning spiral shell
It follows closely (4), is provided with locating turntable (2) at the top of positioning screw (4), up and down the two of the support frame plates (1) being connect with positioning screw (4)
End is provided with location nut (3).
5. a kind of ground loaded densification degree detector according to claim 4, it is characterised in that: limit sleeve (5) bottom and branch
Support plate (1) bottom is generally aligned in the same plane, and the height of limit sleeve (5) is the 1/4~1/3 of cannulated sleeve (6) height, cannulated sleeve
(6) height is 600~800mm.
6. a kind of ground loaded densification degree detector according to claim 5, it is characterised in that: cross drill (8) is by fixing
In drilling rod (7) bottom and orthogonal four blocks of steel plates composition, the steel plate of cross drill (8) uses the height by quenching and tempering
Fast steel is made, and stress section (17) and the height of stress section (17) away from ground are provided on four blocks of steel plates of cross drill (8)
Degree is all different.
7. a kind of ground loaded densification degree detector according to claim 1, it is characterised in that: driving gear (12) and driven
The transmission ratio of gear (11) is 3:1.
8. a kind of ground loaded densification degree detector according to claim 1 or claim 7, it is characterised in that: rotational handle (13) is
The end of cross-shaped structure, rotational handle (13) is provided with non-slip rubber set.
9. a kind of ground loaded densification degree detector according to claim 6, it is characterised in that: the bottom of cross drill (8) is flat
Face height is greater than the height of cannulated sleeve (6) bottom end face, and the difference of the two is 3~5mm.
10. a kind of ground loaded densification degree detector according to claim 1, it is characterised in that: whenever rotational handle (13)
45 ° of rotation, four stress sections (17) are respectively once recorded corresponding stress numerical by computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821461652.5U CN209099338U (en) | 2018-09-07 | 2018-09-07 | A kind of ground loaded densification degree detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821461652.5U CN209099338U (en) | 2018-09-07 | 2018-09-07 | A kind of ground loaded densification degree detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209099338U true CN209099338U (en) | 2019-07-12 |
Family
ID=67152212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821461652.5U Active CN209099338U (en) | 2018-09-07 | 2018-09-07 | A kind of ground loaded densification degree detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209099338U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109056689A (en) * | 2018-09-07 | 2018-12-21 | 中铁十二局集团有限公司 | A kind of ground loaded densification degree detector |
-
2018
- 2018-09-07 CN CN201821461652.5U patent/CN209099338U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109056689A (en) * | 2018-09-07 | 2018-12-21 | 中铁十二局集团有限公司 | A kind of ground loaded densification degree detector |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109056689A (en) | A kind of ground loaded densification degree detector | |
| Bishop et al. | A new ring shear apparatus and its application to the measurement of residual strength | |
| CN105938070A (en) | Multifunctional true triaxial rock drilling test system and test method for characterizing the characteristics of rocks | |
| CN111650085A (en) | Portable soil body normal position density tester | |
| CN104075921A (en) | Centrifugal model foundation soil layer consolidometer | |
| CN105223080B (en) | Evaluation method for jointed rock performance and bolting and grouting effects under compression-shear condition | |
| CN206362623U (en) | A kind of instrument of field measuring rock point load intensity | |
| CN102183386B (en) | Soil sample compaction instrument | |
| CN209099338U (en) | A kind of ground loaded densification degree detector | |
| CN114216595A (en) | Test device and method for measuring frictional resistance of thixotropic slurry | |
| CN213897069U (en) | Foundation settlement detector | |
| CN207051146U (en) | A kind of slump detection means | |
| CN113588377A (en) | Improved soil cutter device for accurately preparing undisturbed soil triaxial sample | |
| CN205748367U (en) | Sensor is monitored in a kind of horizontal displacement automatically | |
| CN214702973U (en) | Manual compaction sample device of engineering detection | |
| CN212646386U (en) | Portable soil body normal position density tester | |
| CN209779597U (en) | Foundation compactness detection device | |
| CN206220137U (en) | A kind of experimental provision for measuring and analyzing banket steel-pipe pile sedimentation and emergent property | |
| CN213422658U (en) | Concrete strength detection equipment convenient to operation | |
| CN212175732U (en) | Soil material collecting device for soil test | |
| CN211668948U (en) | Indoor drilling perception test system for rock mass mechanical characteristics | |
| CN212031215U (en) | Density testing device for rock and soil investigation test sample | |
| CN219218937U (en) | Dynamic compaction and tamping settlement observation measuring ruler | |
| CN219223588U (en) | Pile foundation depth measuring device for piling | |
| CN220489881U (en) | Construction engineering is with multi-functional measuring tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |