CN209485911U - Densimeter is used in a kind of test of mesh basket method - Google Patents
Densimeter is used in a kind of test of mesh basket method Download PDFInfo
- Publication number
- CN209485911U CN209485911U CN201822197219.1U CN201822197219U CN209485911U CN 209485911 U CN209485911 U CN 209485911U CN 201822197219 U CN201822197219 U CN 201822197219U CN 209485911 U CN209485911 U CN 209485911U
- Authority
- CN
- China
- Prior art keywords
- mesh basket
- instrument body
- sink
- densimeter
- hook
- 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.)
- Expired - Fee Related
Links
Landscapes
- Devices For Use In Laboratory Experiments (AREA)
Abstract
The utility model discloses a kind of mesh basket method test densimeters, including instrument body, sink is offered inside instrument body, the bottom surface of sink and the bottom surface of instrument body are arranged in parallel, and hook is provided with above sink, and hook is mounted on the top of instrument body by strut, mesh basket is connected in the bottom of hook, mesh basket is placed in sink, and the Weighing mechanism for measuring weight of material in mesh basket is additionally provided on hook, is additionally provided with multiple levelling mechanisms being used in the bottom of instrument body；Mesh basket method provided by the utility model test densimeter solves the problems, such as that common mesh basket method surveys densimeter and is unable to controlled level by the levelling mechanism of setting, reduces because of measurement error caused by unhorizontal.
Description
Technical field
The utility model relates to test to use densimeter, and in particular to densimeter is used in a kind of test of mesh basket method.
Background technique
The density of coarse aggregate is surveyed in existing " highway engineering gather materials testing regulations " (JTG E42-2005) by mesh basket method
And water absorption rate.But currently without the mesh basket method test densimeter of unified standard, the densimeter in laboratory is self-made type,
It has the following problems:
(1) self-made type densimeter not can guarantee instrument level, influence test result；
(2) self-made type densimeter water temperature is unable to control between specification is 15 DEG C~25 DEG C defined, at a temperature of different tests,
The density of water is different, to influence the measurement of relative density；
(3) code requirement hanging basket is made of antirust corrosion material, and diameter and height are 150mm or so, and surrounding and bottom are used
The sieve of 1mm~2mm is worked out.But the ununified specification of current hanging basket, many easy devices in laboratory do not reach this and want
It asks, is easy to cause certain error because not meeting specification；
(4) self-made type densimeter blowing and feeding are inconvenient, need frequently to remove hanging basket from electronic scale, then from
It is taken out in bucket, is easy during this to gather materials because of hanging basket rollover and be scattered.
Summary of the invention
The purpose of this utility model is to provide a kind of mesh basket method test densimeters, to solve density in the prior art
Instrument not can guarantee instrument level, water temperature is unable to control the problem for leading to densimeter measurement result inaccuracy.
In order to realize above-mentioned task, the utility model uses following technical scheme:
A kind of test of mesh basket method densimeter, including instrument body, along instrument body at the top of the instrument body
Depth direction offers sink, and the bottom surface of the sink and the bottom surface of the instrument body are arranged in parallel, in the sink
Top be provided with hook, the hook is mounted on the top of the instrument body by strut, in the bottom of the hook
It is connected with mesh basket, the mesh basket is placed in the sink, is additionally provided on the hook for measuring material in mesh basket
The Weighing mechanism of weight is additionally provided with multiple levelling mechanisms being used in the bottom of the instrument body.
Further, the levelling mechanism is leveling knob, is provided with level meter on the instrument body.
Further, funnel stand is connected in the top movable formula of the instrument body, on the funnel stand
Materials hopper is installed.
Further, water inlet and overflow port are offered respectively in the side of the sink, the water inlet is described in
The height of bottom of gullet is greater than height of the overflow port apart from the bottom of gullet.
Further, also pass through the overflow port in the sink side and be connected with overflow launder, in the overflow
The bottom of slot offers water outlet.
Further, the sink is provided with electric heater unit in the inside of the instrument body, described
The inside of instrument body be additionally provided with power supply, the electric heater unit and the power electric connection.
Further, the Weighing mechanism includes tension sensor, and the tension sensor is mounted on the extension
On hook, the tension sensor is used to measure the pulling force of the mesh basket, the tension sensor and the power electric connection；
Weighing mechanism further includes the weighing controller being arranged on the side wall of the instrument body, the Weighing control
Device and the tension sensor and power electric connection.
The utility model has following technical characterstic compared with prior art:
1, mesh basket method test densimeter provided by the utility model, solves common mesh basket by the levelling mechanism of setting
Method surveys densimeter the problem of being unable to controlled level, reduces because of measurement error caused by unhorizontal；
2, mesh basket method test densimeter provided by the utility model, solves common net by the electric heater unit of setting
Basket method surveys the problem of densimeter is not able to maintain temperature, reduces influence of the test temperature to test result；
3, the mesh basket method test provided by the utility model densimeter specification specification of hanging basket, makes test specification；Together
When, it is configured with Materials hopper with mesh basket, facilitates immigration material, without frequently taking out hanging basket from water, improves test efficiency.
Detailed description of the invention
Fig. 1 is the mesh basket method test densimeter that provides in one embodiment of the utility model.
Figure label represents: 1- instrument body, 2- sink, 3- hook, 4- mesh basket, 5- Weighing mechanism, 6- levelling mechanism, 7-
Level meter, 8- water inlet, 9- overflow port, 10- overflow launder, 11- electric heater unit, 12- funnel stand, 13- Materials hopper, (5-
1)-tension sensor, (5-2)-weighing controller.
Specific embodiment
Mesh basket method density measure: material is moved into mesh basket, sample measures quality m ω in water；Lift mesh basket, drips slightly
After water, coarse aggregate can be directly poured on the wet towel wrung out；The surface water of aggregate particle is gently wiped with the towel wrung out,
It can't see shinny water mark (i.e. saturated dry surface) to surface, immediately in the case where keeping dry face state, weigh the surface drying matter gathered materials
Measure mf；It will gather materials and be placed in tray, being put into baking oven, drying to constant weight, and weighing its dries quantity is ma, according to three above quality,
Apparent relative density, surface drying relative density, bulk specific gravity can be found out by formula.
Material: referring to coarse aggregate, in asphalt, coarse aggregate refer to partial size greater than the rubble of 2.36 ㎜, crushing gravel,
Graded gravel and slag etc.；In cement concrete, coarse aggregate refers to that partial size is greater than rubble, gravel and the broken gravel of 4.75 ㎜
Stone.
In compliance with the above technical solution, the utility model discloses a kind of mesh basket method test densimeters, including instrument body
1, sink 2, the bottom surface of the sink 2 and institute are offered along the depth direction of instrument body 1 at 1 top of instrument body
The bottom surface for the instrument body 1 stated is arranged in parallel, and the top of the sink 2 is provided with hook 3, the hook 3 passes through strut
It is mounted on the top of the instrument body 1, is connected with mesh basket 4 in the bottom of the hook 3, the mesh basket 4 is placed in the water
In slot 2, the Weighing mechanism 5 for measuring weight of material in mesh basket 4 is additionally provided on the hook 3, in the instrument
The bottom of ontology 1 is additionally provided with multiple levelling mechanisms 6 being used for.
Weight of the densimeter provided by the utility model by measurement material in water, measures the density of material indirectly, close
Spending instrument includes instrument body 1, and instrument body 1 can be the structures such as cylindrical body, cuboid, in the present embodiment, as shown in Figure 1,
Instrument body 1 is a cuboid, and opening is offered on the top surface of cuboid, offers sink in the inside of instrument body 1
2, the opening of the opening of sink 2 and instrument body 1 is same, that is to say, that from the opening of instrument body 1 to instrument body
1 depth direction excavates, and forms sink 2, the bottom surface of sink 2 is concordant with the bottom surface of instrument body 1.
The test of mesh basket method further comprises mesh basket 4 with densimeter, and mesh basket 4 is mounted on instrument body 1 by hook 3, mesh basket 4
Positioned at the inside of sink 2, for containing material, Weighing mechanism 5 is installed on hook 3, which can be weight and claim
Either gravity, stretching force detecting apparatus etc., for measuring the weight in the material in mesh basket 4 in 2 water of sink, to obtain object
The density of material.
It is additionally provided with levelling mechanism 6 in the bottom of mesh basket method test densimeter provided by the utility model, the leveling machine
Structure 6 is used to adjust the level of the water surface in sink 2, guarantees that setting is parallel to the horizontal plane in the water surface, with reduction because surveying caused by unhorizontal
Measure error.Wherein levelling mechanism 6 can be electric leveling mechanism, can be in instrument body when levelling mechanism 6 is electric structure
The range sensor being arranged on 1 bottom surface, whether 4 angles of the bottom surface of measuring instrument ontology 1 and the height of horizontal plane are consistent, thus
The level for adjusting instrument body 1, is also possible to manual leveling mechanism, which, which can be, adjusts height by hydraulic device
Degree, is also possible to adjust height of the instrument body 1 apart from ground by way of rotating knob.
Mesh basket 4 is standard hanging basket, is 150mm by specification diameter and height, 1mm size is arranged at 4 four wall of mesh basket and bottom
Mesh.
Therefore when using mesh basket method test densimeter provided in this embodiment, operating procedure is firstly, into sink 2
Water filling is flushed as the opening of sink 2, and instrument body 1 is leveled by levelling mechanism 6, material is put into mesh basket 4, using hanging
Weighing mechanism 5 on hook 3 measures the weight of material at this time, to obtain the density of material.
Optionally, the levelling mechanism 6 is leveling knob, is provided with level meter 7 on the instrument body 1.
As shown in Figure 1, in the present embodiment, 4 levelling mechanisms 6, levelling mechanism are connected on the bottom surface of instrument body 1
6 be leveling knob, and leveling knob is connected through a screw thread with instrument body 1, is protruded by rotation leveling knob adjustment leveling knob
Depth inside instrument body 1, so as to adjust instrument body 1 bottom surface at a distance from bottom surface, in addition, accurate in order to guarantee
Leveling, level meter 7 is provided on instrument body 1, when leveling when, the bubble of level meter 7 is located at the center of level meter 7.
Optionally, the top movable formula of the instrument body 1 is provided with Materials hopper 13, the Materials hopper 13
The top of instrument body 1 is mounted on by funnel stand 12.
As shown in Figure 1, material is added into mesh basket 4 for convenience of testing crew, in the peace of the top side detachable of instrument body 1
Equipped with Materials hopper 13, the minimum-value aperture of Materials hopper 13 is greater than 60mm, the general rough material for requiring to be greater than maximum particle diameter.Material
Funnel 3 is mounted on the top of instrument body 1 by funnel stand 12, wherein funnel stand 12, which can be, is movably arranged at instrument
The top of device ontology 1, Materials hopper 13 are fixedly mounted on funnel stand 12, and funnel stand 12 can be in instrument body 1
Top is mobile, when needing to 4 kinds of additions materials of mesh basket, is moved to sink 2 by the drive Materials hopper 13 of funnel stand 12
Top, when not in use, in the side for being moved to 1 top of instrument body.
As shown in Figure 1, in the present embodiment, funnel stand 12 includes a rotary shaft, the top of rotary shaft and instrument body 1
Portion's connection is equipped with bracket that can be mobile around rotary shaft on the rotary shaft, Materials hopper 13 is equipped on bracket, passes through branch
Frame rotation drives Materials hopper 13 mobile.
Facilitate immigration material by the Materials hopper 13 of setting, without frequently taking out hanging basket from water, improves test effect
Rate.
Optionally, water inlet 8 and overflow port 9 are offered respectively in the side of the sink 2, the water inlet 8 is apart from institute
The height for stating 2 bottom of sink is greater than height of the overflow port 9 apart from 2 bottom of sink.
As shown in Figure 1, filling the water and draining into sink 2 for convenience, water inlet 8 is offered on the side of sink 2
With gap 9, water inlet 8 and gap 9 are located in a pair of sidewalls of instrument body 1.
Optionally, also pass through the overflow port 9 in 2 side of sink and be connected with overflow launder 10, overflow in described
The bottom of chute 10 offers water outlet.
As shown in Figure 1, collecting the water overflowed in sink 2 for convenience, the side of gap 9 is connect with sink 2, the other side
It is connect with overflow launder 10.
Optionally, the sink 2 is provided with electric heater unit 11 in the inside of the instrument body 1, in institute
The inside for the instrument body 1 stated is additionally provided with power supply, the electric heater unit 11 and the power electric connection.
As shown in Figure 1, in the electric heating dress of instrument body 1 being internally provided with for coolant-temperature gage in heating and thermal insulation sink 2
11 are set, which is electrically connected to a power source, and temperature controller, temperature control are additionally provided on the side wall of instrument body 1
Device processed is electrically connected with electric heater unit 11, for the temperature and soaking time of electric heater unit 11 to be arranged, is added by being provided with electricity
Thermal 11 solves the problems, such as that common mesh basket method surveys densimeter and is not able to maintain temperature, reduces test temperature to the shadow of test result
It rings.
Optionally, the Weighing mechanism 5 includes tension sensor 5-1, and the tension sensor 5-1 is mounted on described
Hook 3 on, the tension sensor 5-1 is used to measure the pulling force of the mesh basket 4, the tension sensor 5-1 and institute
State power electric connection；
Weighing mechanism 5 further includes the weighing controller 5-2 being arranged on the side wall of the instrument body 1, the title
Weight controller 5-2 and the tension sensor 5-1 and power electric connection.
As shown in Figure 1, in the present embodiment, Weighing mechanism 5 does not use electronic scale, because in the prior art using electricity
When sub- scale, electronic scale is inverted, hook 3 is hung on electronic scale, this mode is troublesome in poeration, and utilizes drawing in the present embodiment
Force snesor 5-1 and weighing controller 5-2 is combined, and the pulling force measured is converted into weight, wherein tension sensor 5-1 is used for
The pulling force of material in mesh basket 4 is measured, weighing controller 5-2 is used to show the weight and clearing of material in mesh basket 4, facilitates examination
The conversion tested the use of personnel, and passed through pulling force improves the accuracy rate of measurement.
The operating process of mesh basket method test densimeter provided by the utility model is as follows:
It fills the water into sink 2, the mesh basket 4 being submerged in sink 2, at the overflow port 9 of water surface elevation to sink 2, adopts at this time
The level that the water surface in sink 2 is adjusted with levelling mechanism 6, weighing controller 5-2 is returned to zero, and is adjusted electric heater unit 11 and is made water temperature
Within the scope of 15 DEG C~25 DEG C, constant temperature 10 minutes, material is put into mesh basket 4 by Materials hopper 13, the water surface in sink 2 is high
Degree controlled by overflow port 9, after no longer outflow water in overflow port 9, weigh the quality of material in water, then further according to standardize into
The density gathered materials and water absorption rate is calculated after conversion in the subsequent test of row, after test, opens overflow launder 10
Water outlet, the water in overflow launder 10 is allowed to dry.
Claims (7)
1. a kind of test of mesh basket method densimeter, including instrument body (1), along instrument sheet at the top of the instrument body (1)
The depth direction of body (1) offers sink (2), and the bottom surface of the sink (2) is parallel with the bottom surface of instrument body (1)
Setting, is provided with hook (3), the hook (3) is mounted on the instrument body by strut above the sink (2)
(1) top is connected with mesh basket (4) in the bottom of the hook (3), and the mesh basket (4) is placed in the sink (2),
The Weighing mechanism (5) for measuring weight of material in mesh basket (4) is additionally provided on the hook (3), which is characterized in that in institute
The bottom for the instrument body (1) stated is additionally provided with multiple levelling mechanisms (6).
2. mesh basket method test densimeter as described in claim 1, which is characterized in that the levelling mechanism (6) is leveling
Knob is provided with level meter (7) on the instrument body (1).
3. mesh basket method test densimeter as described in claim 1, which is characterized in that on the top of the instrument body (1)
Portion is movable to be connected with funnel stand (12), and Materials hopper (13) are equipped on the funnel stand (12).
4. mesh basket method test densimeter as described in claim 1, which is characterized in that distinguish in the side of the sink (2)
Water inlet (8) and overflow port (9) are offered, height of the water inlet (8) apart from the sink (2) bottom is greater than the overflow
The height of mouth (9) apart from the sink (2) bottom.
5. mesh basket method test densimeter as claimed in claim 4, which is characterized in that also logical in described sink (2) side
It crosses the overflow port (9) and is connected with overflow launder (10), offer water outlet in the bottom of the overflow launder (10).
6. mesh basket method test densimeter as described in claim 1, which is characterized in that in the interior of the instrument body (1)
Portion is provided with electric heater unit (11) around the sink (2), is additionally provided with electricity in the inside of the instrument body (1)
Source, the electric heater unit (11) and the power electric connection.
7. mesh basket method test densimeter as claimed in claim 6, which is characterized in that the Weighing mechanism (5) includes drawing
Force snesor (5-1), the tension sensor (5-1) are mounted on the hook (3), the tension sensor (5-
1) for measuring the pulling force of the mesh basket (4), the tension sensor (5-1) and the power electric connection；
Weighing mechanism (5) further includes the weighing controller (5-2) being arranged on the side wall of the instrument body (1), described
Weighing controller (5-2) and the tension sensor (5-1) and power electric connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822197219.1U CN209485911U (en) | 2018-12-25 | 2018-12-25 | Densimeter is used in a kind of test of mesh basket method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822197219.1U CN209485911U (en) | 2018-12-25 | 2018-12-25 | Densimeter is used in a kind of test of mesh basket method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209485911U true CN209485911U (en) | 2019-10-11 |
Family
ID=68127977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822197219.1U Expired - Fee Related CN209485911U (en) | 2018-12-25 | 2018-12-25 | Densimeter is used in a kind of test of mesh basket method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209485911U (en) |
-
2018
- 2018-12-25 CN CN201822197219.1U patent/CN209485911U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6658921B2 (en) | Testing process and apparatus for determining absorption properties of porous specimen | |
| CN101025394B (en) | Method and instrument for detecting aggregate relative density and water absorbing rate | |
| CN104931385A (en) | Method for measuring density and water absorption of regenerated coarse aggregate | |
| KR20120096248A (en) | Tester and test method for pump transfer properties of concrete having coarse aggregate | |
| CN104792651A (en) | Automatic soil boundary water content detection device | |
| Morón et al. | Measuring system of capillary rising damp in cement mortars | |
| CN104655545A (en) | Method for measuring void ratio of macadam mixture | |
| CN112326311A (en) | Soil collection and detection device with quantitative function | |
| CN206420877U (en) | Fiber dispersion and volume fraction testing equipment in a kind of steel fiber reinforced concrete | |
| CN209485911U (en) | Densimeter is used in a kind of test of mesh basket method | |
| CN212254965U (en) | Device for calibrating sand sample density by adopting sand rain method | |
| CN114872173B (en) | Cement curing and resistivity measuring system under different humiture | |
| CN208969097U (en) | Concrete coagulating time detection device | |
| CN215375421U (en) | Concrete slump section of thick bamboo | |
| CN106338463A (en) | coarse granular material permeability coefficient testing device and testing method | |
| CN109781536A (en) | A kind of earthen ruins fissure grouting slurries workability evaluating apparatus | |
| CN115616200A (en) | Concrete sample collapse degree detection device and use method | |
| CN113176172B (en) | Device and method for measuring surface moisture content of sandstone aggregate | |
| CN211505085U (en) | Asphalt mixture leakage test device | |
| CN206906186U (en) | A kind of cement normal consistency water consumption detection means | |
| CN111912741A (en) | Device for calibrating sand sample density by adopting sand rain method | |
| CN219935854U (en) | Concrete volume weight detection device | |
| CN102590048B (en) | Device for uniformly stirring soil particle suspension for particle analysis experiment by densimeter method | |
| CN109959604B (en) | Device and method for testing layering degree of ceramsite concrete | |
| CN113189303B (en) | Intelligent liquid limit instrument and liquid limit measuring method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191011 Termination date: 20201225 |