CN102661874A - Detecting sampling tool and detecting method for distribution uniformity of aggregates of concrete pouring layer - Google Patents
Detecting sampling tool and detecting method for distribution uniformity of aggregates of concrete pouring layer Download PDFInfo
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- CN102661874A CN102661874A CN2012101534825A CN201210153482A CN102661874A CN 102661874 A CN102661874 A CN 102661874A CN 2012101534825 A CN2012101534825 A CN 2012101534825A CN 201210153482 A CN201210153482 A CN 201210153482A CN 102661874 A CN102661874 A CN 102661874A
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Abstract
The invention relates to a detecting sampling tool and detecting method for distribution uniformity of aggregates of a concrete pouring layer and belongs to the technical field of concrete. The detecting sampling tool is characterized by comprising a supporting device, a transmission device, a lifting device and a sampling device, wherein the transmission device comprises a hollow screw rod (5), a disc-shaped hand wheel (6) and a guiding rod (12); the disc-shaped hand wheel (6) is sleeved outside the hollow screw rod (5); the guiding rod (12) is sleeved inside the hollow screw rod (5); the hollow screw rod (5) is vertically supported by the supporting device mounted at the upper end; the lifting device and the disc-shaped hand wheel (6) are mounted at the lower end of the hollow screw rod (5); and the lower end of the guiding rod (12) extends out of the hollow screw rod (5) and the lifting device and is connected with the sampling device. By adopting the detecting sampling tool and detecting method for the distribution uniformity of the aggregates of the concrete pouring layer, the field blank is filled up, the overall quality control is realized and a great contribution to the progress of the high-density concrete construction technology is made.
Description
Technical field
The detection sampling instrument and the detection method of concrete lift aggregate distributing homogeneity belong to the concrete technology field, are specifically related to a kind of instrument and detection method that detects concrete lift aggregate distributing homogeneity.
Background technology
The density difference of the coarse aggregate of normal concrete, fine aggregate and grout is little, and in certain slump scope, aggregate sinks and be not obvious, can not do concern.High density concrete, the iron block of doping, the density of lead far exceed 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; The component of some aggregate is to the selective damping capacity of certain ray, thereby the homogeneity that aggregate distributes is an important technical parameter that guarantees radiation protection ability.
High density concrete is necessary to the rate that the is uniformly distributed with detection of aggregate, still, lacks the method for instant detection at present; Common use sample; Sample is split observation, confirm the method for construction technology, required time is long, experimental cost is high; Lack the detection method of work progress, control pouring quality in good time and have bottleneck.
Summary of the invention
The technical matters that the present invention will solve is: overcome the deficiency of prior art, provide a kind of concreting process aggregate evening ratio that is used for to detect, fill up the field blank, realize the sampling instrument of total quality control and the detection method of utilizing this instrument to carry out.
The technical solution adopted for the present invention to solve the technical problems is: the detection sampling instrument of this concrete lift aggregate distributing homogeneity; It is characterized in that: comprise bracing or strutting arrangement, gearing, lifting gear and sampler; Said gearing comprise hollow leading screw, outward be enclosed within on the air silk thick stick the dish-type handwheel and in be enclosed within the guide pole in the hollow leading screw; The bracing or strutting arrangement that hollow leading screw is installed through the upper end vertically supports; Lifting gear and dish-type handwheel are installed in hollow leading screw lower end, and hollow leading screw and lifting gear are stretched out in the guide pole lower end, and connect sampler.Bracing or strutting arrangement can support whole device, rotates the dish-type handwheel and can make hollow leading screw drive lifting gear rising or decline, and sampler is used for matched moulds and sampling.
Described hollow leading screw endoporus respectively is with 1 identical axle sleeve in two ends up and down, and hollow guide pole is enclosed within the axle sleeve, and guide pole can be done relative slip along axle sleeve.
Described lifting gear comprises two-direction thrust bearing; Two-direction thrust bearing is socketed in end, hollow leading screw lower end; Nut through tighten the bottom is fixed, and two-direction thrust bearing up and down two ends all is with the jacket casing of exerting pressure, and the jacket casing outer ring of exerting pressure is with the lifting sleeve that can slide up and down along hollow leading screw.When carrying on the hollow leading screw, the power of lifting is passed to the lifting upper shield, when hollow leading screw presses down, when promoting the upper shield blocked, can upwards slide.
Described lifting sleeve is cylindric, and the upper end is provided with end cap, has the hole that adapts with hollow leading screw external diameter on the end cap and is enclosed within on the hollow leading screw, and lower ending opening also is provided with the flange of outward flanging, is uniformly distributed with three open slots on the flange.
Open slot place on the described lifting sleeve flange is connected with consistent with the opening flange outside diameter through 3 connected nails and has the dish that lifts of identical open slot.
Described sampler comprises getting expects that tubular shaft and socket are fixed on the charging tray of getting of getting material tubular shaft bottom; Get material tubular shaft top and be contained in the guide pole bottom through solid short sleeve; Get on the material tubular shaft tube wall and have sprue; Get getting on the material tubular shaft of charging tray top and be set with the downward opening barrel of getting, get be provided with from the top down in the barrel slip cap getting on the material tubular shaft guiding material returned dish with take off charging tray, get that barrel can slide up and down and with get charging tray and be encircled into a confined space.Can pressure inject or manual work is smash into concrete mix from sprue, when promoting, inject or smash,, reduce subsiding of sampling place mixture to fill up the space after sample takes out into concrete mix.
Described getting on the end cap of barrel upper end is equipped with and the corresponding to pressure-bearing jacket casing of the jacket casing external diameter of exerting pressure, and the lower ending opening inwall has the conical surface, matches with tapering on getting the charging tray edge.Hollow leading screw moves down, and the jacket casing of will exerting pressure is depressed on the pressure-bearing jacket casing, gets barrel and descends, until getting the barrel end opening and getting charging tray closure fully.
Described solid minor axis one end stretches into and is sleeved on the guide pole bottom, and the other end is fixedly connected gets material tubular shaft top, and the solid minor axis face of cylinder has annular groove, lifts the dish horizontal direction and inserts in the annular groove.When lifting lifts dish, can drive sampler and rise.
Light face bearing and thread support that described bracing or strutting arrangement comprises pole bracket, bedplate and is arranged side by side up and down; Light face bearing and thread support are fixed on the pole bracket through bedplate; And pass through inner hole sleeve on hollow leading screw external cylindrical surface; Be shaped on the screw thread that is meshed with hollow leading screw on the thread support endoporus and be threaded with hollow leading screw formation, hollow leading screw can rise or descend along light face bearing and thread support.
The detection method of the detection sampling instrument of described concrete lift aggregate distributing homogeneity is characterized in that, comprises the steps:
1), above sampling spot, pole bracket is set, check, level each one, the part of sampling instrument, carrying out relevant the preparation;
2), mounting seat plate on pole bracket; Bedplate has been installed light face bearing and the thread support that is arranged side by side up and down; On light face bearing and thread support, vertically screw in the hollow leading screw of tep reel type handwheel; Hollow leading screw lower end is installed two-direction thrust bearing and is exerted pressure jacket casing, and the jacket casing outer ring suit of exerting pressure promotes sleeve;
3), guide pole is packed in the axle sleeve of hollow leading screw endoporus;
4), before the LIFT of preparing sampling is not built; The material tubular shaft of getting of the lower end welding being got charging tray is placed into place to be taken a sample; Cover is loaded onto and is taken off charging tray; Adjust the position of the parts that are associated, the guide pole lower end is enclosed within on the solid minor axis of getting material tubular shaft upper end, getting the material tubular shaft this moment should be vertical with LIFT;
5), rotate the dish-type handwheel, hollow leading screw is depressed into the appropriate location get the contingent swing of material tubular shaft so that limit, check errorless after, getting the material tubular shaft and taking off on the charging tray brushing or paste release layer;
6), accomplish LIFT according to the process conditions of waiting to investigate, check;
7), above step is accomplished enforcement matched moulds: rotate the dish-type handwheel, with moving on the hollow leading screw; Its lower end moves to gets material tubular shaft and enough distance more than the guide pole junction, and moving on the guide pole, presses close to concrete one side, gets the brushing of barrel inside surface or paste release layer at guiding material returned dish; The material returned dish that will lead be set to gets the material tubular shaft on, will get again barrel be set to get the material tubular shaft on, check errorless after; Rotate the dish-type handwheel, hollow leading screw is moved down slowly, the jacket casing of will exerting pressure is depressed on the pressure-bearing jacket casing; Be rotated further the dish-type handwheel, hollow leading screw is moved down successively, until getting the barrel end opening and getting charging tray closure fully; The moment that the dish-type handwheel rotates is very big, can't continue rotation;
8), accomplish matched moulds after, take out sample immediately: rotate the dish-type handwheel, with moving on the hollow leading screw; Make to promote the top position that the flanged lower surface of sleeve moves to the annular groove of solid minor axis, will lift dish and insert annular groove, rotary pulling dish; Three open slots on making three open slots and promoting sleeve flange align, and lay connected nail in the open slot and connect, and accomplish hollow leading screw and get mutual being connected of material tubular shaft; Check errorless after, rotate the dish-type handwheel, with moving on the hollow leading screw; Slowly mention and get material tubular shaft and the sampler related with it; Smash into concrete mix from injection of sprue pressure or manual work when promoting,, reduce subsiding of sampling place mixture to fill up the space after sample takes out;
9), get the material tubular shaft sampler related and rise to and break away from the above certain altitude of LIFT with it, the hinged cantilever support is to placement location, rotation dish-type handwheel; Hollow leading screw is descending; Put well and get the material tubular shaft sampler related, pull down three connected nails, extract out and lift dish with it; Releasing is connected with hollow leading screw, is transferred to the measured place;
10), maintenance to concrete final set, possesses initial strength; The demoulding: will get the material tubular shaft sampler related and be placed on the demoulding support with it; The push rod of demoulding support supports the flange of getting barrel, exerts pressure getting on material tubular shaft, the guiding material returned dish, deviates to get barrel;
11), on the sample of being obtained the subregion label, by subregion peel sample, record aggregate distributed data, calculate it and be uniformly distributed with rate, and level each parts.
Compared with prior art, the beneficial effect that the present invention had is:
1, a kind of detection sampling instrument and detection method of concrete lift aggregate distributing homogeneity are provided; Fill up the field blank: solved and built lacking of process aggregate evening ratio detection method; Filled up the blank of building sampling method in the operation, sampling instrument; In the nuclear engineering construction, bigger contribution is made in the progress of high density concrete operating technique;
2, owing to can in time detect, realized total quality control, created basic condition for the assurance of one type of quality index of aggregate homogeneity, the positive role that has played for controllable quality;
3, the axle sleeve of inlaying of hollow leading screw has solved the location of getting the material tubular shaft effectively, and the combination of getting between material tubular shaft, solid minor axis, the guide pole is reasonable, splits easily, and is easy to use;
4, lift the annular groove that dish inserts solid minor axis; And through in open slot, laying connected nail connection lifting sleeve; Accomplish hollow leading screw and get mutual being connected of material tubular shaft; Rotate the dish-type handwheel and can mention and get material tubular shaft and the sampler related with it, the rotation and the sampling tubular shaft that efficiently solve hollow leading screw are in the axial lifting that does not allow under the rotation condition;
5, get on the material tubular shaft tube wall and have sprue, the interior pipe through sprue and sampling tubular shaft prevents the local collapse of sampling area to getting injection mixture charging tray under.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is a demoulding synoptic diagram of the present invention.
Wherein: 1; Pole bracket 2; Bedplate 3; Light face bearing 4; Thread support 5; Hollow leading screw 6; Dish-type handwheel 7; Two-direction thrust bearing 8; Nut 9; The jacket casing 10 of exerting pressure; Promote sleeve 11; Axle sleeve 12; Guide pole 13; Get material tubular shaft 14; Get charging tray 15; Take off charging tray 16; Solid minor axis 17; Guiding material returned dish 18; Get barrel 19; Pressure-bearing jacket casing 20; Lift dish 21; Connected nail 22; Sprue 23; Demoulding support 24; Material returned bar.
Fig. 1 ~ 2nd, the most preferred embodiment of the detection sampling instrument of concrete lift aggregate distributing homogeneity of the present invention, 1 ~ 2 couple of the present invention further specifies below in conjunction with accompanying drawing.
Embodiment
With reference to accompanying drawing 1: the detection sampling instrument of this concrete lift aggregate distributing homogeneity; Comprise bracing or strutting arrangement, gearing, lifting gear and sampler; Gearing comprise hollow leading screw 5, outward be enclosed within on the air silk thick stick 5 dish-type handwheel 6 and in be enclosed within the guide pole 12 in the hollow leading screw 5, the bracing or strutting arrangement that hollow leading screw 5 is installed through the upper end vertically supports, lifting gear is installed in hollow leading screw 5 lower ends; Dish-type handwheel 6 is installed between bracing or strutting arrangement and the lifting gear; Hollow leading screw 5 endoporus respectively are with 1 identical axle sleeve 11 in two ends up and down, and hollow guide pole 12 is enclosed within the axle sleeve 11, and guide pole 12 can be done relative slip along axle sleeve 11; Hollow leading screw 5 and lifting gear are stretched out in guide pole 12 lower ends, and connect sampler.Bracing or strutting arrangement can support whole device, rotates dish-type handwheel 6 and can make hollow leading screw 5 drive lifting gear rising or decline, and sampler is used for matched moulds and sampling.
Lifting gear comprises two-direction thrust bearing 7; Two-direction thrust bearing 7 is socketed in end, hollow leading screw 5 lower end; The nut of tightening through the bottom 8 is fixing, and two-direction thrust bearing all is with the jacket casing 9 of exerting pressure in two ends about in the of 7, and jacket casing 9 outer rings of exerting pressure are with the lifting sleeve 10 that can slide up and down along hollow leading screw 5.It is cylindric promoting sleeve 10; The upper end is provided with end cap; Have the hole that adapts with hollow leading screw 5 external diameters on the end cap and be enclosed within on the hollow leading screw 5; Lower ending opening also is provided with the flange of outward flanging, is uniformly distributed with three open slots on the flange, and is connected with and the corresponding to dish 20 that lifts of opening flange outside diameter through 3 connected nails 21.When carrying on the hollow leading screw 5, the power of lifting is passed to lifting upper shield 10, when hollow leading screw 5 presses down, when promoting upper shield 10 blocked, can upwards slide.
Sampler comprise get material tubular shaft 13 and socket be fixed on get material tubular shaft 13 bottoms get charging tray 14; Get material tubular shaft 13 tops and be fixed on guide pole 12 bottoms through solid minor axis 16; Get on material tubular shaft 13 tube walls and have sprue 22; Get getting on the material tubular shaft 13 of charging tray 14 tops and be set with the downward opening barrel 18 of getting; Get and be provided with slip cap in the barrel 18 from the top down and getting the guiding material returned dish 17 of material on the tubular shaft 13 and taking off charging tray 15, get that barrel 18 can slide up and down and with get charging tray 14 and be encircled into a confined space.Get the corresponding to pressure-bearing jacket casing 19 of jacket casing 9 external diameters that is equipped with on the barrel 18 upper end end caps and exerts pressure, the lower ending opening inwall has the conical surface, matches with tapering on getting charging tray 14 edges.Hollow leading screw 5 moves down, and the jacket casing 9 of will exerting pressure is depressed on the pressure-bearing jacket casing 19, gets barrel 18 and descends, until getting barrel 18 end openings and getting charging tray 14 closure fully.Can pressure inject or manual work is smash into concrete mix from sprue 22, when promoting, inject or smash,, reduce subsiding of sampling place mixture to fill up the space after sample takes out into concrete mix.
Solid minor axis 16 1 ends stretch into and are fixed on guide pole 12 bottoms, and the other end is fixedly connected gets material tubular shaft 13 tops, and solid minor axis 16 circumference have annular groove, lift dish 20 horizontal directions and insert in the annular groove.Lifting lifts dish 20 can drive the sampler rising.
Light face bearing 3 and thread support 4 that bracing or strutting arrangement comprises pole bracket 1, bedplate 2 and is arranged side by side up and down; Light face bearing 3 is fixed on the pole bracket 1 through bedplate 2 with thread support 4; And pass through inner hole sleeve on hollow leading screw 5 external cylindrical surfaces, be shaped on the screw thread that is meshed with hollow leading screw 5 on thread support 4 endoporus and be threaded with hollow leading screw 5 formation.Hollow leading screw 5 can rise or descend along light face bearing 3 and thread support 4.
The practical implementation process is following:
1), above sampling spot, the pole bracket 1 of flexible or swing position is set, check, level each one, the part of sampling instrument, carrying out relevant the preparation;
2), mounting seat plate 2 and the light face bearing 3 and the thread support 4 that are arranged side by side up and down on pole bracket 1; Hollow leading screw 5 vertically is installed on light face bearing 3 and thread support 4; At hollow leading screw 5 dish-type handwheel 6 is installed; Hollow leading screw 5 lower ends are installed two-direction thrust bearing 7 and are exerted pressure jacket casing 9, and the jacket casing 9 outer ring suits of exerting pressure promote sleeve 10;
3), guide pole 12 is packed in the axle sleeve 11 of hollow leading screw 5 endoporus;
4), before the LIFT of preparing sampling is not built; The material tubular shaft 13 of getting of getting charging tray 14 has been welded in the lower end be placed into place to be taken a sample; Cover is loaded onto and is taken off charging tray 15; Adjust the position of the parts that are associated, guide pole 12 lower ends are enclosed within on the solid minor axis 16 of getting material tubular shaft 13 upper ends, getting material tubular shaft 13 this moment should be vertical with LIFT;
5), rotate dish-type handwheel 6, hollow leading screw 5 is depressed into the appropriate location get the 13 contingent swings of material tubular shaft so that limit, check errorless after, getting material tubular shaft 13 and taking off on the charging tray 15 brushing or paste release layer;
6), accomplish LIFT according to the process conditions of waiting to investigate, detect;
7), above step is accomplished enforcement matched moulds: rotate dish-type handwheel 6, with moving on the hollow leading screw 5; Its lower end moves to gets material tubular shaft 13 and enough distances more than guide pole 12 junctions, and moving on the guide pole 12, presses close to concrete one side, gets the brushing of barrel 18 inside surfaces or paste release layer at guiding material returned dish 17; The material returned dish 17 that will lead be set to gets the material tubular shaft 13 on, will get again barrel 18 be set to get the material tubular shaft 13 on, check errorless after; Rotate dish-type handwheel 6, hollow leading screw 5 is moved down slowly, the jacket casing 9 of will exerting pressure is depressed on the pressure-bearing jacket casing 19; Be rotated further dish-type handwheel 6, hollow leading screw 5 is moved down successively, until getting barrel 18 end openings and getting charging tray 14 closure fully; The moment that dish-type handwheel 6 rotates is very big, can't continue rotation;
8), accomplish matched moulds after, sampling immediately: rotate dish-type handwheel 6, with moving on the hollow leading screw 5; Make to promote the top position that sleeve 10 flanged lower surfaces move to the annular groove of solid minor axis 16, circle is lifted dish 20 insert annular groove, rotary pulling dish 20; Three open slots on making three open slots and promoting sleeve 10 flanges align, and lay connected nail 21 in the open slot and connect, and accomplish hollow leading screw 5 and get 13 mutual being connected of material tubular shaft; Check errorless after, rotate dish-type handwheel 6, with moving on the hollow leading screw 5; Slowly mention and get material tubular shaft 13 and the sampler related with it; Inject concrete mix from sprue 22 pressure when promoting,, reduce subsiding of sampling place mixture to fill up the space after sample takes out;
9), get material tubular shaft 13 sampler related and rise to and break away from the above certain altitude of LIFT with it, hinged cantilever support 1 is to placement location, rotation dish-type handwheel 6; Hollow leading screw 5 is descending; Put well and get material tubular shaft 13 sampler related, pull down three connected nails 21, extract out and lift dish 20 with it; Being connected of material tubular shaft 13 and its related sampler and lifting gear got in releasing, is transferred to the measured place;
10), maintenance to concrete final set, possesses initial strength; The demoulding: with reference to accompanying drawing 2; Be placed on the demoulding support 23 getting material tubular shaft 13 sampler related with it, the push rod of demoulding support 23 supports the flange of getting barrel 18, gets barrel 18 and the material returned dish 17 that leads is exerted pressure stretching into the hole of material returned bar 24 on getting barrel 18 end caps; Exert pressure to getting material tubular shaft 13 simultaneously, deviate to get barrel 18;
11), on the sample of being obtained the subregion label, by subregion peel sample, record aggregate distributed data, calculate it and be uniformly distributed with rate, and level each parts.
When sampling detected, concrete lift also can be built two-layer, and emphasis detects aggregate distribution situation between LIFT.
The above only is preferred embodiment of the present invention, is not to be the restriction of the present invention being made other form, and any professional and technical personnel of being familiar with possibly utilize the technology contents of above-mentioned announcement to change or be modified as the equivalent embodiment of equivalent variations.But everyly do not break away from technical scheme content of the present invention, to any simple modification, equivalent variations and remodeling that above embodiment did, still belong to the protection domain of technical scheme of the present invention according to technical spirit of the present invention.
Claims (10)
1. the detection sampling instrument of concrete lift aggregate distributing homogeneity; It is characterized in that: comprise bracing or strutting arrangement, gearing, lifting gear and sampler; Said gearing comprise hollow leading screw (5), outward be enclosed within on the air silk thick stick (5) dish-type handwheel (6) and in be enclosed within the guide pole (12) in the hollow leading screw (5); The bracing or strutting arrangement that hollow leading screw (5) is installed through the upper end vertically supports; Lifting gear and dish-type handwheel (6) are installed in hollow leading screw (5) lower end, and hollow leading screw (5) and lifting gear are stretched out in guide pole (12) lower end, and connect sampler.
2. the detection sampling instrument of concrete lift aggregate distributing homogeneity according to claim 1; It is characterized in that: described hollow leading screw (5) endoporus respectively is with 1 identical axle sleeve (11) in two ends up and down, and hollow guide pole (12) is enclosed within the axle sleeve (11).
3. the detection sampling instrument of concrete lift aggregate distributing homogeneity according to claim 1; It is characterized in that: described lifting gear comprises two-direction thrust bearing (7); Two-direction thrust bearing (7) is socketed in hollow leading screw (5) end, lower end; The nut of tightening through the bottom (8) is fixing, and two-direction thrust bearing (7) two ends up and down all is with the jacket casing of exerting pressure (9), and the jacket casing of exerting pressure (9) outer ring is with the lifting sleeve (10) that can slide up and down along hollow leading screw (5).
4. the detection sampling instrument of concrete lift aggregate distributing homogeneity according to claim 3; It is characterized in that: described lifting sleeve (10) is for cylindric; The upper end is provided with end cap; Have the hole that adapts with hollow leading screw (5) external diameter on the end cap and be enclosed within on the hollow leading screw (5), lower ending opening also is provided with the flange of outward flanging, is uniformly distributed with three open slots on the flange.
5. the detection sampling instrument of concrete lift aggregate distributing homogeneity according to claim 4 is characterized in that: the open slot place on described lifting sleeve (10) flange through 3 connected nails (21) be connected with consistent with the opening flange outside diameter and have an identical open slot lift dish (20).
6. the detection sampling instrument of concrete lift aggregate distributing homogeneity according to claim 1; It is characterized in that: described sampler comprise get material tubular shaft (13) be sleeved on get expect tubular shaft (13) bottom get charging tray (14); Get material tubular shaft (13) top and be fixed on guide pole (12) bottom through solid minor axis (16); Get on material tubular shaft (13) tube wall and have sprue (22); Get getting on the material tubular shaft (13) of charging tray (14) top and be set with the downward opening barrel (18) of getting; Get and be provided with slip cap in the barrel (18) from the top down and getting the guiding material returned dish (17) on material tubular shaft (13) and taking off charging tray (15), get that barrel (18) can slide up and down and with get charging tray (14) and be encircled into a confined space.
7. the detection sampling instrument of concrete lift aggregate distributing homogeneity according to claim 6; It is characterized in that: described getting on the end cap of barrel (18) upper end is equipped with and the corresponding to pressure-bearing jacket casing of the jacket casing of exerting pressure (9) external diameter (19); The lower ending opening inwall has the conical surface, matches with tapering on getting charging tray (14) edge.
8. the detection sampling instrument of concrete lift aggregate distributing homogeneity according to claim 6; It is characterized in that: described solid minor axis (16) one ends stretch into and are sleeved on guide pole (12) bottom; The other end is fixedly connected gets material tubular shaft (13) top; Solid minor axis (16) face of cylinder has annular groove, lifts dish (20) horizontal direction and inserts in the annular groove.
9. the detection sampling instrument of concrete lift aggregate distributing homogeneity according to claim 1; It is characterized in that: described bracing or strutting arrangement comprises pole bracket (1), bedplate (2) and light face bearing (3) that is arranged side by side up and down and thread support (4); Light face bearing (3) and thread support (4) are fixed on the pole bracket (1) through bedplate (2); And pass through inner hole sleeve on hollow leading screw (5) external cylindrical surface, be shaped on the screw thread that is meshed with hollow leading screw (5) on thread support (4) endoporus and be threaded with hollow leading screw (5) formation.
10. a detection method of utilizing the detection sampling instrument of each described concrete lift aggregate distributing homogeneity of claim 1 ~ 9 is characterized in that, comprises the steps:
1), above sampling spot, pole bracket (1) is set, check, level each one, the part of sampling instrument, carrying out relevant the preparation;
2), go up mounting seat plate (2) at pole bracket (1); Install down the light face bearing (3) and the thread support (4) that are arranged side by side on the bedplate (2); Go up the hollow leading screw (5) that vertically screws in tep reel type handwheel (6) at light face bearing (3) and thread support (4); Two-direction thrust bearing (7) and the jacket casing of exerting pressure (9) are installed in hollow leading screw (5) lower end, and the jacket casing of exerting pressure (9) outer ring suit promotes sleeve (10);
3), guide pole (12) is packed in the axle sleeve (11) of hollow leading screw (5) endoporus;
4), before the LIFT of preparing sampling is not built; The material tubular shaft (13) of getting of the lower end welding being got charging tray (14) is placed into place to be taken a sample; Cover is loaded onto and is taken off charging tray (15); Adjust the position of the parts that are associated, guide pole (12) lower end is enclosed within on the solid minor axis (16) of getting material tubular shaft (13) upper end, get material tubular shaft (13) this moment should be vertical with LIFT;
5), rotate dish-type handwheel (6), hollow leading screw (5) is depressed into the appropriate location get the contingent swing of material tubular shaft (13) so that limit, check errorless after, expect tubular shaft (13) and take off on the charging tray (15) and brush or paste release layer getting;
6), accomplish LIFT;
7), implement matched moulds: rotate dish-type handwheel (6), with moving on the hollow leading screw (5), its lower end moves to gets material tubular shaft (13) and guide pole (12) enough distance more than the junction; And moving on the guide pole (12), press close to concrete one side at guiding material returned dish (17), (18) inside surface of getting barrel is brushed or paste release layer, the material returned dish (17) that will lead is set to get expects on the tubular shaft (13); To get barrel (18) again is set to and gets on material tubular shaft (13); Check errorless after, rotate dish-type handwheel (6), hollow leading screw (5) is moved down slowly; The jacket casing (9) of will exerting pressure is depressed on the pressure-bearing jacket casing (19); Be rotated further dish-type handwheel (6), hollow leading screw (5) is moved down successively, until getting barrel (18) end opening and getting charging tray (14) closure fully;
8), accomplish matched moulds after, take out sample immediately: rotate dish-type handwheel (6), with moving on the hollow leading screw (5); Make to promote the top position that the flanged lower surface of sleeve (10) moves to the annular groove of solid minor axis (16), will lift dish (20) and insert annular groove, rotary pulling dish (20); Three open slots on making three open slots and promoting sleeve (10) flange align, and lay connected nail (21) in the open slot and connect, and accomplish hollow leading screw (5) and get mutual being connected of material tubular shaft (13); Check errorless after, rotate dish-type handwheel (6), with moving on the hollow leading screw (5); Slowly mention and get material tubular shaft (13) and sampler; Smash into concrete mix from injection of sprue (22) pressure or manual work when promoting,, reduce subsiding of sampling place mixture to fill up the space after sample takes out;
9), get material tubular shaft (13) and sampler and rise to and break away from the above certain altitude of LIFT, hinged cantilever support (1) is to placement location, rotation dish-type handwheel (6); Hollow leading screw (5) is descending; Put well and get material tubular shaft (13) and sampler, pull down three connected nails (21), extract out and lift dish (20); Releasing is connected with hollow leading screw (5), is transferred to the measured place;
10), maintenance to concrete final set, possesses initial strength; The demoulding: will get material tubular shaft (13) and sampler and be placed on the demoulding support (23); The push rod of demoulding support (23) supports gets the flange of barrel (18); Exert pressure getting on material tubular shaft (13), guiding material returned dish (17), deviate to get barrel (18);
11), on the sample of being obtained the subregion label, by subregion peel sample, record aggregate distributed data, calculate it and be uniformly distributed with rate, and level each parts.
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| CN201210153482.5A CN102661874B (en) | 2012-05-17 | 2012-05-17 | Detecting sampling tool and detecting method for distribution uniformity of aggregates of concrete pouring layer |
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| CN201210153482.5A CN102661874B (en) | 2012-05-17 | 2012-05-17 | Detecting sampling tool and detecting method for distribution uniformity of aggregates of concrete pouring layer |
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| CN104297456A (en) * | 2014-10-11 | 2015-01-21 | 陈振富 | Method for recognizing meso-structure parameter of dynamic performance of radiation shield concrete |
| CN108895945A (en) * | 2018-05-15 | 2018-11-27 | 首钢集团有限公司 | A kind of measuring device and method of converter bottom seam refractory material pack uniformity |
| CN110031360A (en) * | 2019-03-05 | 2019-07-19 | 广东龙湖科技股份有限公司 | A kind of detection of inorganic flow material homogeneity and representation method |
| CN113605186A (en) * | 2021-07-29 | 2021-11-05 | 中冶南方城市建设工程技术有限公司 | Large-slump concrete pavement uniformity field testing device and method |
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| CN104297456A (en) * | 2014-10-11 | 2015-01-21 | 陈振富 | Method for recognizing meso-structure parameter of dynamic performance of radiation shield concrete |
| CN108895945A (en) * | 2018-05-15 | 2018-11-27 | 首钢集团有限公司 | A kind of measuring device and method of converter bottom seam refractory material pack uniformity |
| CN108895945B (en) * | 2018-05-15 | 2020-06-19 | 首钢集团有限公司 | Device and method for measuring filling uniformity of refractory material of converter bottom joint |
| CN110031360A (en) * | 2019-03-05 | 2019-07-19 | 广东龙湖科技股份有限公司 | A kind of detection of inorganic flow material homogeneity and representation method |
| CN113605186A (en) * | 2021-07-29 | 2021-11-05 | 中冶南方城市建设工程技术有限公司 | Large-slump concrete pavement uniformity field testing device and method |
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| CN102661874B (en) | 2014-04-23 |
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