CN202676573U - Concrete aggregate sinking-floating characteristic detection device - Google Patents
Concrete aggregate sinking-floating characteristic detection device Download PDFInfo
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- CN202676573U CN202676573U CN 201220222390 CN201220222390U CN202676573U CN 202676573 U CN202676573 U CN 202676573U CN 201220222390 CN201220222390 CN 201220222390 CN 201220222390 U CN201220222390 U CN 201220222390U CN 202676573 U CN202676573 U CN 202676573U
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Abstract
The utility model provides a concrete aggregate sinking-floating characteristic detection device, belongs to the technical field of concrete, and particularly relates to a high-density concrete aggregate sinking-floating characteristic detection device used for radioactivity protection. The concrete aggregate sinking-floating characteristic detection device comprises a main support (2), an upper beam (9), a lower beam (5) and steel wires (7). The upper beam (9) and the lower beam (5) are arranged in parallel inside the upper portion of the main support (2) along the horizontal direction through lug sliding sleeves (3) mounted in paired mode. The upper beam (9) is provided with a plurality of second supports (10) vertically, and the lower beam (5) is provided with a plurality of fifth supports (6) arranged horizontally in corresponding mode. The steel wires (7) sequentially penetrate through guide holes of a third support (12) on one side of the second supports (10) and fifth supports (6), and are fixedly connected with to-be-tested aggregate testing blocks (8) inside a container (1). The concrete aggregate sinking-floating characteristic detection device has the advantages of being simple in structure, convenient to install, short in testing time, low in cost, small in quality fluctuation and the like.
Description
Technical field
A kind of aggregate sink-float characteristic detection device belongs to the concrete technology field, is specifically related to a kind of pick-up unit of the high density concrete aggregate sink-float characteristic for radioactivity protection.
Background technology
The aggregate of normal concrete sinks and is not obvious, and aggregate sink-float characteristic can not done concern, high density concrete, and the iron block of doping, the density of lead are far above the density of mixture, and aggregate sinking trend is remarkable.The high density concrete of same thickness is linear to the approximate density with it of the ability of ray attenuation, some component of aggregate is to certain ray damping capacity selectively, thereby the homogeneity (also claiming uniform rate) that aggregate distributes is an important technical parameter that guarantees the Concrete Anti radianting capacity.
High density concrete is necessary to finding out of aggregate sink-float characteristic, and it is the important foundation of mix-design, determine operating parameter, still, the Method and kit for that lacks at present detection, therefore, relevant experiment and mathematical analysis are inadequate, and the sign that quantizes is also inadequate; The sample of making commonly used, the form of repetition test is determined, but this kind mode required time is long, experimental cost is high, quality fluctuation is large.
Summary of the invention
The technical problems to be solved in the utility model is: overcome the deficiencies in the prior art, the aggregate sink-float that a kind of detection time is short, cost is low, quality fluctuation is little characteristic detection device is provided.
The technical scheme that its technical matters that solves the utility model adopts is: this this aggregate sink-float characteristic detection device, it is characterized in that: comprise main support, entablature, sill and steel wire, ear shape sliding sleeve by mounted in pairs on the main support upper inner horizontal direction is installed entablature and the sill that is arranged in parallel, the main support below arranges the container that fills the aggregate mixture, a plurality of the second supports vertically are installed on the entablature, a plurality of horizontally disposed the 5th supports of corresponding installation on the sill, steel wire passes the 3rd support that is installed in the second support one side and the pilot hole of the 5th support successively, and the aggregate test block to be measured in the affixed container.
Described the 3rd support is contained on the second support by little axle sleeve, and little axle horizontal is inlayed or is screwed onto on the second support and scribbles lubricating oil, and an end of the 3rd support is provided with and holds open slot or the pilot hole that steel wire passed and scribbled lubricating oil.
Described sill is provided with many group mounting holes, the 5th support of corresponding fixed installation on every group of mounting hole, and the 5th support outer end is provided with the pilot hole of repairing fillet, scribbling lubricating oil.
Described steel wire has block piece in the welding of corresponding the 3rd cradle top surface position or splicing, and position, steel wire upper strata is set with, welds or glueds joint the counterweight back-up ring, puts a plurality of counterweights on the counterweight back-up ring.Steel wire is the rigidity linear state, is made by metal or non-metallic material.
Level is installed the 4th support on described the second support, the vertical setting pressure meter of the 4th support one end, and the dynamometry contact of pressure gauge bottom overwhelms the 3rd bracket end.
Be inserted with vibrating spear in the described container.
Described steel wire is comprised of rigidity straight-line segment and steel wire compliant section, and the steel wire compliant section is connected in rigidity straight-line segment lower end, and the aggregate test block to be measured in steel wire compliant section and the container is affixed.
Described steel wire rear side arranges coordinate paper, and the continuous shooting camera of a record steel wire decline mobile status is set at the orientation frame that faces steel wire.
Compared with prior art, the beneficial effect that has of the utility model is:
1, the utility model has solved the problem that the aggregate of high density concrete sink-float characteristic research field detection method and utensil are lacked, in the detection method, emphasis has proposed solution to the negative buoyancy of aggregate in the mixture, the measurement of sinking displacement, method is simple, measurement data has authentic and valid, detect the scheme of utensil and select the basis of focusing on modularization, standardization and interchangeability, realize easily typing and the use of measuring appliance, promoted the marked improvement of high density concrete manufacturing technology;
2, the variable during the utility model is dealt with problems is more, detection method can limit certain or some variablees, limit the detection of correlated variables, the physical quantity of detection more is conducive to the research of this domain engineering theory and the establishment that designing and calculating quantizes near the parameter of mathematical modeling;
3, the utility model can be for the demand of construction technology, and the research technological parameter is on the impact of aggregate sinking characteristic, Optimizing construction parameter selected so that these selected to quantize, quantification before goes a step further again, has profound significance.
Description of drawings
Fig. 1 is the utility model mixture aggregate sink-float mechanical characteristics test synoptic diagram.
Fig. 2 is the utility model mixture aggregate sink-float moving characteristic test synoptic diagram.
Fig. 3 is the fork horizontal positioned structural representation of imbedding of the present utility model.
Fig. 4 is the vertical displacement structure synoptic diagram of fork of imbedding of the present utility model.
Wherein: 1, container 2, main support 3, ear shape sliding sleeve 4, countercheck rod 5, sill 6, the 5th support 7, steel wire 8, aggregate test block 9 to be measured, entablature 10, the second support 11, little axle 12, the 3rd support 13, the 4th support 14, pressure gauge 15, counterweight 16, block piece 17, counterweight back-up ring 18, steel wire compliant section 19, vibrating spear 20, imbed fork.
Fig. 1 ~ 4th, most preferred embodiment of the present utility model is described further below in conjunction with 1 ~ 4 pair of the utility model of accompanying drawing.
Embodiment
With reference to accompanying drawing 1 ~ 4: this kind aggregate sink-float mechanical characteristic pick-up unit, comprise container 1, main support 2, ear shape sliding sleeve 3, entablature 9, sill 5 and steel wire 7, have on the main support 2 can slide up and down adjust the position, can be with screw fastening to main support 2 and have can be for the ear shape sliding sleeve 3 on the plane that other parts are installed, ear shape sliding sleeve 3 by mounted in pairs on the main support 2 upper inner horizontal directions is installed entablature 9 and the sill 5 that is arranged in parallel, the container 1 that fills the aggregate mixture is placed in main support 2 belows, is inserted with vibrating spear 19 in the container 1.
A plurality of the second supports 10 vertically are installed on the entablature 9, the a plurality of horizontally disposed sills 5 of corresponding installation on the sill 5, steel wire 7 passes the 3rd support 12 that is installed in the second support 10 1 sides and the pilot hole of the 5th support 6 successively, and the aggregate test block 8 to be measured in the affixed container 1.Level is installed the vertical setting pressure meter 14 of the 4th support 13, the four supports, 13 1 ends on the second support 10, and the dynamometry contact of pressure gauge 14 bottoms overwhelms the 3rd support 12 ends.
The 3rd support 12 is socketed on the second support 10 by little axle 11, and little axle 11 levels are inlayed or are screwed onto on the second support 10 and scribble lubricating oil, and an end of the 3rd support 12 is provided with and holds open slot or the pilot hole that steel wire 7 passed and scribbled lubricating oil.
Use the detection method of aforesaid aggregate sink-float characteristic detection device, may further comprise the steps:
1), comprises the detection of aggregate sinking mechanical characteristics and the detection of aggregate sinking displacement feature, carry out first the detection of aggregate sinking mechanical characteristics, at first, the weight of weighing relevant appliance parts, error according to weighing precision and the measurement of pressure gauge accuracy computation, determine the error of system, and the error of system is controlled in 3% the scope of being no more than;
2), select testing table, the installation testing utensil, with etc. mixture to be tested be contained in the suitable container 1, vertically lay 2 ~ 3 main supports 2 in the side of container 1, by a pair of ear shape sliding sleeve 3 that is slidingly installed on the main support 2 sill 5 is installed, adjust the position of two ear shape sliding sleeves 3, make sill 5 maintenance levels, and by screw that above-mentioned part is fastening;
3), drill out at aggregate test block 8 to be measured and hold the hole that steel wire 7 penetrates, according to the test subject, the axis that drills the hole will be through the center of gravity of aggregate test block 8 to be measured, and the direction in hole wants the Pass Test subject to the requirement of aggregate attitude, in the hole, insert the higher steel wire 7 of linearity, bonding firm; In like manner, by another ear shape sliding sleeve 3 correspondences are installed crossbeam 9, and a plurality of identical the second support 10 with the little axle 11 of inlaying or being spirally connected that rational position is installed on entablature 9, wouldn't be fastening;
4), the little axle 11 at the second support 10 is set with the 3rd support 12, reserve reasonably rotatable gap, do slip-off preventing and fix with packing ring, nut, pass the open slot that steel wire 7 arranges from the 3rd support 12 outer ends or the pilot hole, the dynamometry contact of the 3rd support 12 other ends alignment pressure gauge 14, adjust position, the gap of correlated parts, and fixed;
5), at the container 1 in-built all satisfactory mixtures of enough volumes, parameters of putting into, the mixture appropriateness has increased retardant, obvious reduction can not occur in the section in its slump at the trial, aggregate test block 8 to be measured is set many attitude according to the size of horizontal section, every kind of attitude is done 3 ~ 5, these aggregate test blocks 8 to be measured are placed into the different depth of mixture, and number one by one;
6), under vibrating spear 19 opening and closing states, record respectively the reading of pressure gauge 14, be converted into the upward pressure of 12 pairs of steel wire 7 systems of the 3rd support according to lever ratio; According to the gravity of each aggregate test block 8 to be measured of weighing and the gravimetric data of steel wire 7, block piece 16, counterweight 15 and counterweight back-up ring 17, calculate under the aggregate test block 8 various attitudes of living in to be measured, the variant buried depth of mixture, mixture be in static or the vibration state under, mixture is to the maximum support power of aggregate;
7), data are performed an analysis, make aggregate under static or the vibration state, under the conditions such as the corresponding component of mixture and slump, the mechanical characteristic that aggregate sinks is write laboratory report.
1), at first removes pressure gauge 14, the 4th support 13, counterweight 15 and counterweight back-up ring 17, the induction contact that replaces pressure gauge 14 at the other end of the 3rd support 12 with countercheck rod 4, countercheck rod 4 is smooth stocks, before measurement data record, be pressed onto the left end of each the 3rd support 12, make the test specimen of each aggregate piece 8 to be measured keep stationary state, it removes the action control of countercheck rod 4 by electromagnet or other modes are pushed aside; Steel wire 7 is adopted as the rigidity filament of light material, and the gravity of its gravity and aggregate is compared and ignored, and connects one section compliant section in steel wire 7 bottoms, by the aggregate test block 8 to be measured in this compliant section connection container 1 of steel wire 7;
2), by imbedding fork 20 aggregate piece 8 to be measured is pressed into mixture, compression distance meets the requirement of experimental design condition, a coordinate paper is pasted in back at steel wire 7, set up a continuous shooting camera in the orientation that faces steel wire 7, simultaneously according to selected frequency, placement location, open vibrating spear 19, the continuous shooting camera of open belt time showing is removed countercheck rod 4 simultaneously;
3), the test conditions such as the power of vibrating spear 19, vibration frequency, amplitude, outside dimension, insertion position, insertion depth are paid close attention to more, according to selected frequency, insertion position, open vibrating spear 19, simultaneously the continuous shooting camera of open belt time showing, remove countercheck rod 4; Block piece 16 on the steel wire 7 take coordinate paper 20 as reference, begins the decline mobile status by continuous shooting cameras record steel wire 7 as measurement point, continue the experiment official hour, taken off the continuous shooting camera, analyzed photo, sense data performs an analysis, calculates data, writes experiment conclusion.
The above, it only is preferred embodiment of the present utility model, be not to be the restriction of the utility model being made other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solutions of the utility model content that do not break away to any simple modification, equivalent variations and remodeling that above embodiment does, still belongs to the protection domain of technical solutions of the utility model according to technical spirit of the present utility model.
Claims (8)
1. aggregate sink-float characteristic detection device, it is characterized in that: comprise main support (2), entablature (9), sill (5) and steel wire (7), ear shape sliding sleeve (3) by mounted in pairs on main support (2) the upper inner horizontal direction is installed entablature (9) and the sill (5) that is arranged in parallel, main support (2) below arranges the container (1) that fills the aggregate mixture, upper a plurality of the second supports (10) of vertically installing of entablature (9), upper corresponding a plurality of horizontally disposed the 5th supports (6) of installing of sill (5), steel wire (7) passes the 3rd support (12) that is installed in the second support (10) one sides and the pilot hole of the 5th support (6) successively, and the aggregate test block to be measured (8) in the affixed container (1).
2. a kind of aggregate sink-float characteristic detection device according to claim 1, it is characterized in that: described the 3rd support (12) is sleeved on the second support (10) by little axle (11), little axle (11) level is inlayed or to be screwed onto the second support (10) upper and scribble lubricating oil, and an end of the 3rd support (12) is provided with and holds open slot or the pilot hole that steel wire (7) passed and scribbled lubricating oil.
3. a kind of aggregate sink-float characteristic detection device according to claim 1, it is characterized in that: described sill (5) is provided with many group mounting holes, corresponding fixed installation the 5th support (6) on every group of mounting hole, the 5th support (6) outer end is provided with the pilot hole of repairing fillet, scribbling lubricating oil.
4. a kind of aggregate sink-float characteristic detection device according to claim 1 and 2, it is characterized in that: described steel wire (7) has block piece (16) in the welding of corresponding the 3rd support (12) top side location place or splicing, steel wire (7) position, upper strata suit, welding or splicing counterweight back-up ring (17) are put a plurality of counterweights (15) on the counterweight back-up ring (17).
5. a kind of aggregate sink-float characteristic detection device according to claim 1, it is characterized in that: the upper level of described the second support (10) is installed the 4th support (13), the 4th support vertical setting pressure meters of (13) one ends (14), the dynamometry contact of pressure gauge (14) bottom is pressed in the 3rd support (12) end.
6. a kind of aggregate sink-float characteristic detection device according to claim 1 is characterized in that: be inserted with vibrating spear (19) in the described container (1).
7. a kind of aggregate sink-float characteristic detection device according to claim 1, it is characterized in that: described steel wire (7) is comprised of rigidity straight-line segment and steel wire compliant section (18), steel wire compliant section (18) is connected in rigidity straight-line segment lower end, and steel wire compliant section (18) is affixed with the aggregate test block to be measured (8) in the container (1).
8. a kind of aggregate sink-float characteristic detection device according to claim 7, it is characterized in that: described steel wire (7) rear side arranges coordinate paper, sets up the continuous shooting camera of record steel wire (7) decline mobile status in the orientation that faces steel wire (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220222390 CN202676573U (en) | 2012-05-17 | 2012-05-17 | Concrete aggregate sinking-floating characteristic detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220222390 CN202676573U (en) | 2012-05-17 | 2012-05-17 | Concrete aggregate sinking-floating characteristic detection device |
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| Publication Number | Publication Date |
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| CN202676573U true CN202676573U (en) | 2013-01-16 |
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| CN 201220222390 Expired - Fee Related CN202676573U (en) | 2012-05-17 | 2012-05-17 | Concrete aggregate sinking-floating characteristic detection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102645393A (en) * | 2012-05-17 | 2012-08-22 | 山东起凤建工股份有限公司 | Concrete aggregate sinking-floating characteristic detection device and detection method thereof |
| CN111855110A (en) * | 2020-07-31 | 2020-10-30 | 山东起凤建工股份有限公司 | Layered irrigation test method for PVC-U internal spiral drainage pipeline |
-
2012
- 2012-05-17 CN CN 201220222390 patent/CN202676573U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102645393A (en) * | 2012-05-17 | 2012-08-22 | 山东起凤建工股份有限公司 | Concrete aggregate sinking-floating characteristic detection device and detection method thereof |
| CN111855110A (en) * | 2020-07-31 | 2020-10-30 | 山东起凤建工股份有限公司 | Layered irrigation test method for PVC-U internal spiral drainage pipeline |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20180517 |
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| CF01 | Termination of patent right due to non-payment of annual fee |