CN212060262U - Test device for evaluating asphalt consumption of asphalt mixture - Google Patents

Test device for evaluating asphalt consumption of asphalt mixture Download PDF

Info

Publication number
CN212060262U
CN212060262U CN202020593930.3U CN202020593930U CN212060262U CN 212060262 U CN212060262 U CN 212060262U CN 202020593930 U CN202020593930 U CN 202020593930U CN 212060262 U CN212060262 U CN 212060262U
Authority
CN
China
Prior art keywords
asphalt
fixed
test device
evaluating
drying box
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
Application number
CN202020593930.3U
Other languages
Chinese (zh)
Inventor
王玉果
周艳东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CCCC First Highway Engineering Co Ltd
Original Assignee
CCCC First Highway Engineering Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by CCCC First Highway Engineering Co Ltd filed Critical CCCC First Highway Engineering Co Ltd
Application granted granted Critical
Publication of CN212060262U publication Critical patent/CN212060262U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/42—Road-making materials
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/38—Diluting, dispersing or mixing samples
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/44—Sample treatment involving radiation, e.g. heat
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
    • G01N5/04—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/38—Diluting, dispersing or mixing samples
    • G01N2001/386—Other diluting or mixing processes

Abstract

The utility model discloses a test device of evaluation bituminous mixture pitch quantity, including the stoving case, one side of stoving case is equipped with rotating device, the last dwang that is connected with of rotating device, the one end of dwang runs through the lateral wall of stoving case and extends to the stoving incasement, the one end of dwang can be dismantled and be connected with the cylinder. The utility model discloses a this test device, in rotatory in-process, unnecessary asphalt binder in the bituminous mixture sample, the fine aggregate, mastic fat etc. can be through continuous rotation, fully and agitator inner wall contact, reduce the factor influence of the artifical sample of packing into, it is more accurate to make the pitch analyse the test result that leaks, thereby can more accurate quantitative evaluation go out the size of bituminous mixture pitch quantity, avoid bituminous mixture quantity undersize to influence the durability on road surface, also avoid the pitch quantity too big cause analyse leak, the oil spill, compare traditional pitch analyse and leak test equipment test result and prepare more, the effect is more obvious.

Description

Test device for evaluating asphalt consumption of asphalt mixture
Technical Field
The utility model relates to an asphalt mixture technical field especially relates to a test device of evaluation bituminous mixture pitch quantity.
Background
The asphalt mixture is a composite material, mainly comprising asphalt, coarse aggregate, fine aggregate, mineral powder, and optionally polymer and wood cellulose; different structures are formed by mixing materials with different qualities and quantities and have different mechanical properties.
At present, when the asphalt mixture is prepared according to needs, the use amount of asphalt needs to be tested, but the asphalt use amount threshold calculated by using the thickness of an asphalt oil film is limited because the density and the water absorption of aggregates are different and the oil film thickness is also an empirical value, the use amount threshold of the asphalt is determined by adopting various variables and fuzzy values, the powder-to-rubber ratio is used as one of evaluation bases and is unscientific, the powder-to-rubber ratio range is too wide, the oil use amount of the asphalt mixture has a great relation with the physical characteristics and the grading combination of the aggregates, the powder-to-rubber ratio cannot reflect the properties, the limitation exists, in addition, when the asphalt mixture Scherberger asphalt leakage test is adopted, instruments and equipment used in the test procedure center mainly bake cups and ovens, the asphalt mixture is manually loaded into samples due to standing problems, the accuracy of the test is greatly influenced by human factors, the test error can be caused, and therefore, a test device for evaluating the asphalt dosage of the asphalt mixture is provided to solve the problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a test device for evaluating the asphalt quantity of an asphalt mixture.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a test device for evaluating asphalt consumption of asphalt mixture comprises a drying box, wherein one side of the drying box is provided with a rotating device, the rotating device is connected with a rotating rod, one end of the rotating rod penetrates through the side wall of the drying box and extends into the drying box, one end of the rotating rod is detachably connected with a roller, the bottom of the drying box is provided with a supporting device, the lower end of the roller is abutted against the upper end of the supporting device, three stirring barrels are arranged in the roller, six spring clamping blocks are fixed on the side wall of the circumference of the roller at equal intervals, two adjacent spring clamping blocks form a group, one end of each spring clamping block in the same group is abutted against the side wall of one stirring barrel, a fixing ring is fixed on the side wall of the circumference of the stirring barrel, six stirring plates are fixed on the side wall of the circumference of the fixing ring at equal intervals, and connecting frames are fixed at four corners of the lower, and the connecting frame is provided with a bearing device.
Preferably, the rotating device comprises a mounting frame fixed on one side of the drying box, a speed change mechanism is fixed on one side of the mounting frame, a driving motor is fixed at the upper end of the speed change mechanism, an output shaft of the driving motor is connected to the speed change mechanism, and the other end of the rotating rod is connected to the speed change mechanism.
Preferably, the strutting arrangement includes four mounting panels of bottom in the stoving case through eight first fix with screws, the upper end of mounting panel is fixed with two support frames, install the supporting wheel on the support frame, the upper end of two supporting wheels all contradicts at the lower extreme of cylinder.
Preferably, the bearing device comprises a screw rod penetrating through the connecting frame, a thread through hole is formed in the lower end of the connecting frame, the thread through hole penetrates through the upper end of the screw rod, the lower end of the screw rod is rotatably connected with the supporting seat, and a nut is sleeved on the upper end of the screw rod in a threaded manner.
Preferably, be equipped with the external screw thread on a week lateral wall of agitator, one side of agitator is equipped with sealed lid, one side of sealed lid is equipped with the recess, the one end of agitator extends to in the recess, be equipped with the internal thread that corresponds with the external screw thread on a week lateral wall in the recess, external screw thread and internal thread spiral shell mutually close, the other end of sealed lid is fixed with the handle.
Preferably, the one end of dwang is fixed with the connecting plate, be equipped with four through-holes on the connecting plate, one side of cylinder is equipped with four screw blind holes that correspond with the through-hole, it is equipped with the second screw to run through in the through-hole, the one end of second screw extends to in the screw blind hole.
Preferably, one side of the drying box is provided with a first opening, one side of the first opening is hinged with a sealing cover, and one side of the sealing cover is provided with a handle.
Preferably, heaters are fixed on opposite side walls in the drying box.
Preferably, two supporting pieces are fixed on two sides of the lower end of the drying box, and one sides of the four supporting pieces are respectively fixed on one sides of the four connecting frames.
In the utility model, when in use, the drying box is firstly placed on a proper position through the supporting seat, when the height needs to be adjusted, the screw rod is rotated to drive the supporting seat to move, thereby adjusting the height, then the position of the drying box is fixed by the supporting part, the sealing cover is opened by the handle, then the sealing cover is unscrewed from the stirring barrel, the asphalt mixture is poured into the three stirring barrels, then the sealing cover is screwed on, the sealing cover is closed, the transfer speed and the transfer times of the driving motor are set by the control box at one side of the drying box, the asphalt in the stirring barrel is heated and insulated by the heater, the output shaft of the driving motor drives the rotating rod to rotate when rotating, the roller is driven to rotate when the rotating rod rotates, the spring clamping block in the roller clamps the stirring barrel, the stirring barrel is driven to rotate when the roller rotates, the asphalt mixture is driven to rotate when the stirring barrel rotates, utilize the stirring board in the agitator to mix bituminous mixture, after mixing heat preservation, open closing cap and sealed lid, pour bituminous mixture in the agitator, then survey the quality and the percentage that the interior pitch of cylinder leaks out for detect the pitch binder and separate out unnecessary free pitch quantity from the pitch binder under high temperature state, the utility model discloses a this test device, rotatory in-process, unnecessary pitch binder, fine aggregate, mastic etc. in the bituminous mixture sample can be through continuous rotation, fully with the contact of agitator inner wall, reduce the factor influence of the sample of artificially packing into, make the pitch leak test result more accurate, thereby can more accurate quantitative evaluation go out the size of bituminous mixture pitch quantity, avoid the durability that the bituminous mixture quantity is too little influences the road surface, also avoid the pitch quantity too big to cause to leak out, And (3) flashing, compared with the traditional asphalt leakage test equipment, the test result is more prepared, and the effect is more obvious.
Drawings
FIG. 1 is a schematic diagram of an external structure of a testing apparatus for evaluating the asphalt consumption of an asphalt mixture according to the present invention;
FIG. 2 is a schematic diagram of an internal structure of a testing apparatus for evaluating the asphalt consumption of the asphalt mixture according to the present invention;
FIG. 3 is a schematic view of the internal structure of a roller of a testing device for evaluating the asphalt consumption of the asphalt mixture according to the present invention;
FIG. 4 is a schematic view of an internal structure of a mixing drum of a testing device for evaluating the asphalt consumption of the asphalt mixture;
FIG. 5 is an enlarged view of the A position of the testing apparatus for evaluating the asphalt consumption of the asphalt mixture provided by the present invention;
fig. 6 is a B-position enlarged view of the testing device for evaluating the asphalt amount of the asphalt mixture.
In the figure: the device comprises a spring clamping block 1, a stirring barrel 2, a rotating rod 3, a supporting wheel 4, a supporting frame 5, a roller 6, a heater 7, an installation plate 8, a first screw 9, a drying box 10, an opening 11, a sealing cover 12, a handle 13, a handle 14, a sealing cover 15, an external thread 16, a driving motor 17, a speed change mechanism 18, an installation frame 19, a screw rod 20, a supporting piece 21, a supporting seat 22, a connecting frame 23, a stirring plate 24, a connecting plate 25 and a fixing ring 26.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-6, a test device for evaluating asphalt mixture asphalt usage amount, including stoving case 10, be convenient for heat the pitch and keep warm, one side of stoving case 10 is equipped with rotating device, the last dwang 3 that is connected with of rotating device, the one end of dwang 3 runs through the lateral wall of stoving case 10 and extends to in the stoving case 10, the one end of dwang 3 can be dismantled and is connected with cylinder 6, it rotates to drive cylinder 6 when dwang 3 rotates, the bottom in the stoving case 10 is equipped with strutting arrangement, the lower extreme of cylinder 6 is contradicted in strutting arrangement's upper end, conveniently support cylinder 6, under rotating device's effect, conveniently provide power for the rotation of cylinder 6.
The utility model discloses in, be equipped with three agitator 2 in the cylinder 6, be convenient for hold bituminous mixture, equidistant six spring fixture block 1 that are fixed with on a week lateral wall in the cylinder 6, two adjacent spring fixture block 1 are a set of, all contradict on the lateral wall of an agitator 2 with the one end of two spring fixture block 1 in a set of, utilize spring fixture block 1 to conveniently prescribe a limit to agitator 2's position, be fixed with solid fixed ring 26 on a week lateral wall in agitator 2, equidistant six stirring boards 24 that are fixed with on a week lateral wall in solid fixed ring 26, conveniently stir bituminous mixture in agitator 2, drive agitator 2 and rotate when cylinder 6 rotates, thereby conveniently accelerate bituminous mixture's rate of stirring.
The utility model discloses in, the lower extreme four corners of stoving case 10 all is fixed with the carriage 23, be equipped with on the carriage 23 and bear the device, be convenient for support stoving case 10, one side of stoving case 10 is equipped with first opening, first open-ended one side articulates there is closing cap 12, handle 13 is installed to one side of closing cap 12, utilize handle 13 conveniently to open closing cap 12, all be fixed with heater 7 on the relative lateral wall in the stoving case 10, be convenient for heat pitch, the lower extreme both sides of stoving case 10 all are fixed with two support piece 21, one side at four carriage 23 is fixed respectively to one side of four support piece 21, under the effect that bears the device, the convenience carries out the outrigger to stoving case 10.
The utility model discloses in, rotating device is including fixing the mounting bracket 19 in stoving case 10 one side, one side of mounting bracket 19 is fixed with speed change mechanism 18, speed change mechanism 18's upper end is fixed with driving motor 17, driving motor 17's output shaft is on speed change mechanism 18, the other end of dwang 3 is connected on speed change mechanism 18, driving motor 17 and external component are connected, driving motor 17's output shaft rotates and drives speed change mechanism 18 and rotate, speed change mechanism 18 rotates and drives dwang 3 and rotate, thereby provide power for the rotation of cylinder 6.
The utility model discloses in, strutting arrangement includes four mounting panels 8 of bottom in stoving case 10 through eight first screws 9 fixes, and mounting panel 8's upper end is fixed with two support frames 5, installs supporting wheel 4 on the support frame 5, and the upper end of two supporting wheels 4 is all contradicted at the lower extreme of cylinder 6, utilizes supporting wheel 4 to conveniently support cylinder 6, prevents that cylinder 6 from taking place to rock when rotating.
The utility model discloses in, bear the device including running through screw rod 20 that sets up on connecting frame 23, the lower extreme of connecting frame 23 is equipped with the screw thread through-hole, and the screw thread through-hole is run through to the upper end of screw rod 20, and screw rod 20's lower extreme rotates and is connected with supporting seat 22, and screw rod 20's upper end screw thread has cup jointed the nut, and screw rod 20 drives supporting seat 22 when rotating and removes, and then adjusts the height of stoving case 10 as required.
The utility model discloses in, be equipped with external screw thread 16 on a week lateral wall of agitator 2, one side of agitator 2 is equipped with sealed lid 15, and one side of sealed lid 15 is equipped with the recess, and in the one end of agitator 2 extended to the recess, be equipped with the internal thread that corresponds with external screw thread 16 on a week lateral wall in the recess, external screw thread 16 and internal thread spiral shell mutually close, and the other end of sealed lid 15 is fixed with handle 14, utilizes handle 14 conveniently to open and screw up sealed lid 15.
The utility model discloses in, the one end of dwang 3 is fixed with connecting plate 25, is equipped with four through-holes on the connecting plate 25, and one side of cylinder 6 is equipped with four screw blind holes that correspond with the through-hole, runs through in the through-hole to be equipped with the second screw, and in the one end of second screw extended to the screw blind hole, easy to assemble and dismantlement improved the efficiency of installation and dismantlement, save time.
In the utility model, when the test is carried out, the drying box 10 is started, the rotation speed is 30r/min, the uniform rotation speed is 1000r, the stirring barrel 2 is taken out, the mixture is downwards buckled on the glass plate without any impact or vibration, the mixture is placed on a balance by using a hand-shovel cotton yarn and the like, the total mass m2 of the stirring barrel 2 and the asphalt binder, the fine aggregate, the mastic and the like adhered on the stirring barrel 2 is weighed, the total mass m2 is accurate to 0.01g, the mass m0 is the mass (g) of the leakage test barrel, the mass m1 is the total mass (g) of the leakage test barrel and the sample, the total mass m2 is the total mass (g) of the asphalt binder, the fine aggregate, the mastic and the like on the leakage test barrel, the m is the asphalt leakage loss (%), and then the asphalt leakage is utilized
Figure DEST_PATH_IMAGE001
And (4) calculating the leakage loss of the asphalt, performing parallel tests at least for 3 times, and then taking an average value as a test result.
In the utility model, when in use, the drying box 10 is firstly placed on a proper position through the supporting seat 22, when the height needs to be adjusted, the screw rod 20 is rotated to drive the supporting seat 22 to move, thereby adjusting the height, then the position of the drying box 10 is fixed by the supporting piece 21, the cover 12 is opened by the handle 13, then the sealing cover 15 is unscrewed from the stirring barrel 2, the asphalt mixture is poured into the three stirring barrels 2, then the sealing cover 15 is screwed up, the cover 12 is closed, the transfer speed and the transfer specified times of the driving motor 17 are set by the control box at one side of the drying box 10, the asphalt in the stirring barrel 2 is heated and insulated by the heater 7, the rotating rod 3 is driven to rotate when the output shaft of the driving motor 17 rotates, the roller 6 is driven to rotate when the rotating rod 3 rotates, because the spring clamping block 1 in the roller 6 clamps the stirring barrel 2, the 2 rotations of agitator that drive when the cylinder 6 rotates, the 2 rotations of agitator drive bituminous mixture rotate, utilize stirring plate 24 in the agitator 2 to mix bituminous mixture, mix after keeping warm, open closing cap 12 and sealed lid 15, pour bituminous mixture in the agitator 2, then survey the quality and the percentage that the interior pitch of cylinder 6 was leaked out for detect the bituminous binder and separate out unnecessary free pitch quantity from the bituminous binder under high temperature state.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (9)

1. The utility model provides a test device of evaluation bituminous mixture pitch quantity, includes stoving case (10), its characterized in that: one side of the drying box (10) is provided with a rotating device, the rotating device is connected with a rotating rod (3), one end of the rotating rod (3) penetrates through the side wall of the drying box (10) and extends into the drying box (10), one end of the rotating rod (3) is detachably connected with a roller (6), the bottom in the drying box (10) is provided with a supporting device, the lower end of the roller (6) is abutted against the upper end of the supporting device, three stirring barrels (2) are arranged in the roller (6), six spring clamping blocks (1) are fixed on the side wall of one circle in the roller (6) at equal intervals, two adjacent spring clamping blocks (1) are in one group, one end of each spring clamping block (1) in the same group is abutted against the side wall of one stirring barrel (2), a fixing ring (26) is fixed on the side wall of one circle in the stirring barrel (2), six stirring plates (24) are fixed on the side wall of one circle in the fixing ring (26) at equal intervals, the lower end four corners of the drying box (10) are all fixed with connecting frames (23), and the connecting frames (23) are provided with bearing devices.
2. The test device for evaluating the asphalt dosage of the asphalt mixture according to claim 1, characterized in that: rotating device is including fixing mounting bracket (19) in stoving case (10) one side, one side of mounting bracket (19) is fixed with speed change mechanism (18), the upper end of speed change mechanism (18) is fixed with driving motor (17), the output shaft of driving motor (17) is connected on speed change mechanism (18), and the other end of dwang (3) is connected on speed change mechanism (18).
3. The test device for evaluating the asphalt dosage of the asphalt mixture according to claim 1, characterized in that: the supporting device comprises four mounting plates (8) fixed at the bottom in the drying box (10) through eight first screws (9), two supporting frames (5) are fixed at the upper ends of the mounting plates (8), supporting wheels (4) are mounted on the supporting frames (5), and the upper ends of the two supporting wheels (4) are abutted to the lower ends of the rollers (6).
4. The test device for evaluating the asphalt dosage of the asphalt mixture according to claim 1, characterized in that: the bearing device comprises a screw rod (20) penetrating through the connecting frame (23), a thread through hole is formed in the lower end of the connecting frame (23), the thread through hole penetrates through the upper end of the screw rod (20), the lower end of the screw rod (20) is rotatably connected with a supporting seat (22), and a nut is sleeved on the upper end thread of the screw rod (20).
5. The test device for evaluating the asphalt dosage of the asphalt mixture according to claim 1, characterized in that: be equipped with external screw thread (16) on the a week lateral wall of agitator (2), one side of agitator (2) is equipped with sealed lid (15), one side of sealed lid (15) is equipped with the recess, the one end of agitator (2) extends to in the recess, be equipped with the internal thread that corresponds with external screw thread (16) on the a week lateral wall in the recess, external screw thread (16) and internal thread are mutually screwed, the other end of sealed lid (15) is fixed with handle (14).
6. The test device for evaluating the asphalt dosage of the asphalt mixture according to claim 1, characterized in that: the one end of dwang (3) is fixed with connecting plate (25), be equipped with four through-holes on connecting plate (25), one side of cylinder (6) is equipped with four screw thread blind holes that correspond with the through-hole, it is equipped with the second screw to run through in the through-hole, the one end of second screw extends to in the screw thread blind hole.
7. The test device for evaluating the asphalt dosage of the asphalt mixture according to claim 1, characterized in that: one side of the drying box (10) is provided with a first opening, one side of the first opening is hinged with a sealing cover (12), and one side of the sealing cover (12) is provided with a handle (13).
8. The test device for evaluating the asphalt dosage of the asphalt mixture according to claim 1, characterized in that: heaters (7) are fixed on the opposite side walls in the drying box (10).
9. The test device for evaluating the asphalt dosage of the asphalt mixture according to claim 1, characterized in that: two supporting pieces (21) are fixed on two sides of the lower end of the drying box (10), and one sides of the four supporting pieces (21) are fixed on one sides of the four connecting frames (23) respectively.
CN202020593930.3U 2019-09-30 2020-04-20 Test device for evaluating asphalt consumption of asphalt mixture Active CN212060262U (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2019109373560 2019-09-30
CN201910937356.0A CN110646597A (en) 2019-09-30 2019-09-30 Test device for evaluating asphalt consumption of asphalt mixture

Publications (1)

Publication Number Publication Date
CN212060262U true CN212060262U (en) 2020-12-01

Family

ID=68993215

Family Applications (3)

Application Number Title Priority Date Filing Date
CN201910937356.0A Pending CN110646597A (en) 2019-09-30 2019-09-30 Test device for evaluating asphalt consumption of asphalt mixture
CN202020593930.3U Active CN212060262U (en) 2019-09-30 2020-04-20 Test device for evaluating asphalt consumption of asphalt mixture
CN202010313929.5A Pending CN111381015A (en) 2019-09-30 2020-04-20 Test device for evaluating asphalt consumption of asphalt mixture

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CN201910937356.0A Pending CN110646597A (en) 2019-09-30 2019-09-30 Test device for evaluating asphalt consumption of asphalt mixture

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN202010313929.5A Pending CN111381015A (en) 2019-09-30 2020-04-20 Test device for evaluating asphalt consumption of asphalt mixture

Country Status (1)

Country Link
CN (3) CN110646597A (en)

Also Published As

Publication number Publication date
CN111381015A (en) 2020-07-07
CN110646597A (en) 2020-01-03

Similar Documents

Publication Publication Date Title
CN212060262U (en) Test device for evaluating asphalt consumption of asphalt mixture
CN106018171A (en) Device and method for determining gross volume density of bituminous mixture through wax sealing
CN112098253A (en) Indoor concrete ice abrasion testing device and testing method
CN205049568U (en) Concrete slump through time lose analogue means
CN216350720U (en) Concrete slump detection device
CN110411887A (en) A kind of self-constriction test macro of cement-based material
CN217931246U (en) Test device for evaluating asphalt consumption of asphalt mixture
CN206832667U (en) It is a kind of to mix sample disc certainly for infrared detection
CN218481518U (en) Electric sand equivalent tester
CN214040769U (en) Powder sampling equipment in concrete production
CN219209832U (en) Chemical proportioning device for desulfurization wastewater treatment
CN217638551U (en) Rotary viscometer
CN218766470U (en) Test device for evaluating asphalt consumption of asphalt mixture
CN219784498U (en) Asphalt mixer
CN210166378U (en) Food additive and contraband chemical rapid measuring instrument convenient to mix
CN215375310U (en) Anti-freezing mixture additive slow-release effect survey device
CN218131225U (en) Fertilizer mixing box with prevent blockking up structure
CN211122871U (en) Soil Cd content detection device for pepper planting
CN216999164U (en) Mixture stirring equipment for asphalt pavement construction
CN211576872U (en) Cement repair accelerator setting speed automatic checkout device
CN111289427B (en) Hydrogen sulfide corrosion resistant waterproof water stop testing device
CN219272765U (en) Coating mixing mechanism for coating production
CN219522535U (en) Terrazzo pouring operation aggregate uniform stirring equipment
CN207248715U (en) Bulky grain rubber-asphalt mixture adhesiveness detection device
CN220671200U (en) Automatic detection device for sand and gravel mud content

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant