CN111537388A - Aggregate firmness testing device and method - Google Patents
Aggregate firmness testing device and method Download PDFInfo
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- CN111537388A CN111537388A CN202010433295.7A CN202010433295A CN111537388A CN 111537388 A CN111537388 A CN 111537388A CN 202010433295 A CN202010433295 A CN 202010433295A CN 111537388 A CN111537388 A CN 111537388A
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- water bath
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- fixed
- rotating shaft
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- 238000012360 testing method Methods 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000010998 test method Methods 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 47
- 238000001035 drying Methods 0.000 claims description 22
- 238000005485 electric heating Methods 0.000 claims description 16
- 238000002791 soaking Methods 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 9
- 238000005096 rolling process Methods 0.000 claims description 8
- 238000004804 winding Methods 0.000 claims description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 4
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 4
- 241001330002 Bambuseae Species 0.000 claims description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 4
- 239000011425 bamboo Substances 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 230000008569 process Effects 0.000 abstract description 10
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000013519 translation Methods 0.000 description 4
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical class [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- 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
- G01N1/30—Staining; Impregnating ; Fixation; Dehydration; Multistep processes for preparing samples of tissue, cell or nucleic acid material and the like for analysis
-
- 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
- G01N1/34—Purifying; Cleaning
-
- 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
Abstract
The invention relates to the technical field of aggregate tests, in particular to an aggregate firmness test device and an aggregate firmness test method. The invention realizes the full-automatic operation of the aggregate firmness test, has convenient and smooth integral operation, improves the stability in the aggregate firmness test process, and is convenient for positioning, dismounting and mounting, thereby reducing the difficulty of later maintenance.
Description
Technical Field
The invention relates to the technical field of aggregate tests, in particular to an aggregate firmness test device and an aggregate firmness test method.
Background
Aggregate firmness test is one of the requirements of JTG E42-2005 highway engineering aggregate test protocol, and is an important index for describing the frost resistance of aggregates. The experimental contents are that aggregates (including coarse aggregates-gravel, fine aggregates-sand and the like) are subjected to saturated sodium sulfate (Na)2SO4) The solution is circularly soaked and dried for many times, and the test that the performance of obvious damage or strength reduction does not occur when the solution bears the crystallization pressure of sodium sulfate is a test method which is most commonly used for evaluating the firmness of the aggregate.
However, the existing aggregate firmness test device and test method still have certain problems, and the specific problems are as follows:
1. in the existing test flow, the aggregate is totally consumed for 1-2 days in the processes of repeated cyclic soaking and drying, and due to the lack of an effective automatic operation and monitoring system, the aggregate is usually observed and controlled uninterruptedly by manpower, so that the time and the labor are wasted, and the efficiency is low;
2. for the same type of patent publication (patent number CN109490134A), although there is a certain automatic operation mechanism, it is difficult to ensure that the whole operation process of the device does not shift or shake due to lack of detailed structural form and effective limit mechanism, so that the stability during actual operation is lack of guarantee, and there is potential safety hazard;
3. aiming at various boxes, heating elements and other equipment involved in the test process, in order to avoid the corrosion or scaling problem caused by long-term continuous operation, the equipment needs to be disassembled and cleaned regularly, and in order to reduce the time loss in the maintenance process, the related assembly structure needs to be improved.
Disclosure of Invention
The invention aims to provide an aggregate firmness testing device and an aggregate firmness testing method, which have the advantages of realizing full-automatic operation of aggregate firmness testing, being convenient and smooth in overall operation, improving the stability in the aggregate firmness testing process and being convenient to position, disassemble and assemble, thereby reducing the difficulty of later maintenance and solving the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a firmness test device gathers materials, includes workstation, portal frame, water bath, stoving case and a net section of thick bamboo, the left side on workstation top is fixed with the water bath, and the inside central point department of putting of water bath is provided with the solution tank, two temperature sensor about the inside right side of water bath is fixed with, and the left side at water bath top installs level sensor, the left and right sides of the inside of water bath all has been inserted first electrothermal tube, two raceway about the intercommunication has on the left side wall of water bath, and all installs the solenoid valve on the raceway, the right side on workstation top is fixed with the stoving case, and the left and right sides of the inside of stoving case all has been inserted the second electrothermal tube to one side of second electrothermal tube all is provided with the heat-conducting plate, be provided with the portal frame directly over the workstation, and one side of portal frame is fixed with the master controller, the crossbeam has all been welded to two lower extremes about the portal frame, and the top of the workbench below the beam is all fixed with a guide rail, a first rotating shaft is inserted in the beam at equal intervals, the middle part of the first rotating shaft is sleeved with a first travelling wheel, the bottom end of the first travelling wheel is in rolling connection with the top end of the guide rail, the central position of one side of the beam is all fixed with an X-direction motor, the output ends of the X-direction motor are all in fixed connection with one first rotating shaft through a coupler, the top of the portal frame is sleeved with a movable frame, the inside of the movable frame is inserted with a second rotating shaft at equal intervals, the middle part of the second rotating shaft is sleeved with a second travelling wheel, the bottom ends of the second travelling wheels are in rolling connection with the top end of the portal frame, the central position of one side of the movable frame is fixed with a Y-direction motor, the output end of the Y-direction motor is in fixed connection with one second rotating shaft through a coupler, the bottom end of the movable frame is fixed with a, and the roll shaft is all installed through the shaft coupling to two output ends of Z to the motor, all the cover is equipped with the reel on the roll shaft, and all twines the rope on the reel, the bottom of rope all is fixed with the couple, and the net section of thick bamboo is located the below of couple.
Preferably, the rollers are arranged on the two inner side walls of the bottom of the cross beam at equal intervals, and one side of each roller is in rolling connection with the side wall of the corresponding guide rail to form a limiting structure.
Preferably, the top ends between the water bath tank and the solution tank, between the water bath tank and the first electric heating tube, between the solution tank and the net barrel, and between the drying tank and the second electric heating tube are vertically nested to form a lifting limit structure.
Preferably, the left side and the right side of the top end of the solution tank and the net barrel are both fixed with hanging rings, and the hooks are used for being mutually clamped with the corresponding hanging rings.
Preferably, flanges are arranged at the front end and the rear end of the second travelling wheel, and the flanges are in mutual contact with the side wall of the portal frame to form a limiting structure.
An aggregate firmness test method comprising the steps of:
A. preparing a solution and preparing a sample before the firmness test according to the test protocol;
B. the test parameters are set on the operation interface of the main controller as follows,
the water bath heating temperature T is monitored by the temperature sensor 12120-25 ℃ and the first soaking time t020h, the subsequent cycle soaking time ti-1(i ═ 2, 3, 4); drying temperature T2Drying at 100-110 ℃ for 4h, cooling for t', and circulating times N;
C. firstly, injecting a proper amount of clear water into the water bath tank 9, and correspondingly opening and closing the two electromagnetic valves 16 under the monitoring of the liquid level sensor 13 to maintain the liquid level not to exceed 2/3 of the total height; then injecting a prepared solution into the solution tank 10, wherein the volume of the solution is 5:1 of the volume of the sample;
D. putting the sample into the net cylinder, hanging a hanging ring on the net cylinder on a hook, clicking an operation interface of the main controller, and entering an automatic operation state;
E. the X-direction motor drives the first rotating shaft and the first travelling wheel to rotate at a constant speed, so that the whole portal frame translates back and forth along the guide rail through the cross beam; the Y-direction motor drives the second rotating shaft and the second traveling wheel to rotate at a constant speed, so that the whole movable frame translates left and right along the top end of the portal frame; the Z-direction motor drives the roll shaft and the winding drum to rotate at a constant speed, so that the rope pulls the net drum to move up and down;
F. after a plurality of times of soaking and drying, the screen cylinder is taken down, the samples in the screen cylinder are cleaned, dried, sieved and weighed according to requirements, and the firmness test of the size fraction samples is finished.
Compared with the prior art, the invention has the following beneficial effects:
1. under the drive of the X-direction motor 5, the whole portal frame 3 translates back and forth along the guide rail 2 and is used for automatically taking and placing the net cylinder 30 and the sample; under the drive of a Y-direction motor 21, the whole movable frame 20 translates left and right along the portal frame 3 and is used for the automatic reciprocating of the net cylinder 30 between the water bath box 9 and the drying box 17; under the drive of the Z-direction motor 25, the rope 28 pulls the net cylinder 30 to move up and down for the net cylinder 30 to automatically separate from or sink into the solution box 10 and the drying box 17, so that the full-automatic operation of the aggregate firmness test is realized, and the whole operation is convenient and smooth;
2. the track deviation in the front-back translation process is avoided through the lateral rolling limit between the idler wheel 8 and the guide rail 2, the track deviation in the left-right translation process is avoided through the contact limit between the flange 24 and the portal frame 3, the net cylinder 30 is pulled through the left rope 28 and the right rope 28, the shaking in the up-down displacement process is avoided, and therefore the stability in the aggregate firmness test process is improved;
3. because the top ends between the water bath box 9 and the solution box 10, between the water bath box 9 and the first electric heating tube 14, between the solution box 10 and the net cylinder 30, and between the drying box 17 and the second electric heating tube 18 are vertically nested and form a lifting limit structure, wherein the hook 29 can be respectively clamped with the two hanging rings 11 at the top ends of the solution box 10 and the net cylinder 30, the positioning and the dismounting are convenient, and the later maintenance difficulty is reduced.
Drawings
FIG. 1 is a schematic cross-sectional front view of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of the structure at B in FIG. 1 according to the present invention;
FIG. 4 is a schematic diagram of a partial top view of an enlarged structure according to the present invention.
In the figure: 1. a work table; 2. a guide rail; 3. a gantry; 4. a cross beam; 5. an X-direction motor; 6. a first rotating shaft; 7. a first running wheel; 8. a roller; 9. a water bath tank; 10. a solution tank; 11. hanging a ring; 12. a temperature sensor; 13. a liquid level sensor; 14. a first electric heating tube; 15. a water delivery pipe; 16. an electromagnetic valve; 17. a drying box; 18. a second electric heating tube; 19. a heat conducting plate; 20. a movable frame; 21. a Y-direction motor; 22. a second rotating shaft; 23. a second road wheel; 24. a flange; 25. a Z-direction motor; 26. a roll shaft; 27. a reel; 28. a rope; 29. hooking; 30. a net drum; 31. and a master controller.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, embodiments:
a collecting firmness testing device comprises a workbench 1, a portal frame 3, a water bath tank 9, a drying tank 17 and a net barrel 30, wherein the left side of the top end of the workbench 1 is fixedly provided with the water bath tank 9, the central position inside the water bath tank 9 is provided with a solution tank 10, the right side inside the water bath tank 9 is fixedly provided with an upper temperature sensor 12 and a lower temperature sensor 12, the left side of the top part of the water bath tank 9 is provided with a liquid level sensor 13, the left side and the right side inside the water bath tank 9 are respectively provided with a first electric heating tube 14 in an inserted mode, the left side wall of the water bath tank 9 is communicated with an upper water delivery pipe 15 and a lower water delivery pipe 15, the water delivery pipes 15 are respectively provided with an electromagnetic valve 16, the right side of the top end of the workbench 1 is fixedly provided with the drying tank 17, the left side and the right side inside the drying tank 17 are respectively provided with a second electric heating tube 18 in an inserted mode, one side of the second electric heating tube 18, the left lower end and the right lower end of a portal frame 3 are both welded with a crossbeam 4, the top end of a workbench 1 below the crossbeam 4 is all fixed with a guide rail 2, first rotating shafts 6 are arranged in the crossbeam 4 at equal intervals, the middle parts of the first rotating shafts 6 are all sleeved with first travelling wheels 7, the bottom ends of the first travelling wheels 7 are all in rolling connection with the top ends of the guide rails 2, X-direction motors 5 are all fixed at the central positions of one side of the crossbeam 4, the output ends of the X-direction motors 5 are all in fixed connection with one first rotating shaft 6 through couplers, a movable frame 20 is sleeved at the top part of the portal frame 3, second rotating shafts 22 are arranged in the movable frame 20 at equal intervals, second travelling wheels 23 are all sleeved at the middle parts of the second rotating shafts 22, the bottom ends of the second travelling wheels 23 are all in rolling connection with the top end of the portal frame 3, a Y-direction motor 21 is fixed at the central position of one side of the movable frame 20, and the output end of the Y-direction coupler 21 is fixedly, the bottom end of the movable frame 20 is fixed with a Z-direction motor 25, two output ends of the Z-direction motor 25 are all provided with a roller shaft 26 through a shaft coupling, the roller shaft 26 is sleeved with a winding drum 27, a rope 28 is wound on the winding drum 27, the bottom ends of the rope 28 are fixed with hooks 29, and the net drum 30 is located below the hooks 29.
Like in fig. 2 all install gyro wheel 8 on the two inside walls of crossbeam 4 bottom equidistant, and the lateral wall roll connection of gyro wheel 8 and guide rail 2 all constitutes limit structure, the orbit skew when avoiding the translation from beginning to end.
As shown in figure 1, the top ends of the water bath tank 9 and the solution tank 10, the water bath tank 9 and the first electric heating tube 14, the solution tank 10 and the net cylinder 30, and the drying tank 17 and the second electric heating tube 18 are vertically nested to form a lifting limiting structure, so that the lifting limiting structure is convenient to position, disassemble and assemble, and is convenient to take, place and maintain at a later stage.
As shown in the left and right sides of the top ends of the solution tank 10 and the net cylinder 30 in the figures 1 and 3, the hanging rings 11 are fixed, and the hooks 29 are clamped with the corresponding hanging rings 11, so that the automatic lifting is realized, and the shaking is avoided.
As shown in fig. 4, the front end and the rear end of the second road wheel 23 are provided with flanges 24, and the flanges 24 are in contact with the side wall of the portal frame 3 to form a limiting structure, so as to avoid the track deviation during the left-right translation.
An aggregate firmness test method comprising the steps of:
A. preparing a solution and preparing a sample before the firmness test according to the test protocol;
B. the experimental parameters are set on the operation interface of the master 31 as follows,
the water bath heating temperature T is monitored by the temperature sensor 12120-25 ℃ and the first soaking time t020h, the subsequent cycle soaking time ti-1(i ═ 2, 3, 4); drying temperature T2Drying at 100-110 ℃ for 4h, cooling for t', and circulating times N;
C. firstly, injecting a proper amount of clear water into the water bath tank 9, and correspondingly opening and closing the two electromagnetic valves 16 under the monitoring of the liquid level sensor 13 to maintain the liquid level not to exceed 2/3 of the total height; then injecting a prepared solution into the solution tank 10, wherein the volume of the solution is 5:1 of the volume of the sample;
D. putting the sample into the net cylinder 30, hanging the hanging ring 11 on the net cylinder on the hook 29, clicking the operation interface of the main controller 31, and entering an automatic operation state;
E. the X-direction motor 5 drives the first rotating shaft 6 and the first travelling wheel 7 to rotate at a constant speed, so that the whole portal frame 3 translates back and forth along the guide rail 2 through the cross beam 4; the Y-direction motor 21 drives the second rotating shaft 22 and the second traveling wheel 23 to rotate at a constant speed, so that the whole movable frame 20 translates left and right along the top end of the portal frame 3; the Z-direction motor 25 drives the roll shaft 26 and the winding drum 27 to rotate at a constant speed, so that the rope 28 pulls the net drum 30 to move up and down;
F. after a plurality of times of soaking and drying, the screen cylinder 30 is taken down, the samples in the screen cylinder 30 are cleaned, dried, sieved and weighed according to requirements, and the firmness test of the size fraction samples is finished.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a sturdiness test device gathers materials, includes workstation (1), portal frame (3), water bath (9), stoving case (17) and net section of thick bamboo (30), its characterized in that: a water bath tank (9) is fixed on the left side of the top end of the workbench (1), a solution tank (10) is arranged at the center position inside the water bath tank (9), an upper temperature sensor (12) and a lower temperature sensor (12) are fixed on the right side inside the water bath tank (9), a liquid level sensor (13) is installed on the left side of the top of the water bath tank (9), first electric heating tubes (14) are inserted into the left side and the right side inside the water bath tank (9), an upper water delivery pipe (15) and a lower water delivery pipe (15) are communicated with the left side wall of the water bath tank (9), electromagnetic valves (16) are installed on the water delivery pipes (15), a drying tank (17) is fixed on the right side of the top end of the workbench (1), second electric heating tubes (18) are inserted into the left side and the right side inside the drying tank (17), heat conducting plates (19) are arranged on one side of the second electric heating tubes (18), and a portal frame (3), a main controller (31) is fixed on one side of a portal frame (3), a cross beam (4) is welded on the left and right lower ends of the portal frame (3), a guide rail (2) is fixed on the top end of a workbench (1) below the cross beam (4), a first rotating shaft (6) is arranged in the cross beam (4) at equal intervals, a first travelling wheel (7) is sleeved on the middle of the first rotating shaft (6), the bottom end of the first travelling wheel (7) is connected with the top end of the guide rail (2) in a rolling manner, an X-direction motor (5) is fixed on the central position of one side of the cross beam (4), the output end of the X-direction motor (5) is fixedly connected with one first rotating shaft (6) through a coupler, a movable frame (20) is sleeved on the top of the portal frame (3), a second rotating shaft (22) is arranged in the movable frame (20) at equal intervals, and a second travelling wheel (23) is sleeved on the middle of the second rotating shaft (22), and the bottom of second walking wheel (23) all with the top roll connection of portal frame (3), the central point of adjustable shelf (20) one side puts the department and is fixed with Y to motor (21), and Y passes through shaft coupling and one of them second pivot (22) fixed connection to the output of motor (21), the bottom mounting of adjustable shelf (20) has Z to motor (25), and Z all installs roller (26) through the shaft coupling to two outputs of motor (25), all overlap on roller (26) and be equipped with reel (27), and all twine on reel (27) and have rope (28), the bottom of rope (28) all is fixed with couple (29), and net section of thick bamboo (30) are located the below of couple (29).
2. An aggregate firmness test apparatus according to claim 1, wherein: the roller wheels (8) are arranged on the two inner side walls of the bottom of the cross beam (4) at equal intervals, and one side of each roller wheel (8) is in rolling connection with the side wall of the corresponding guide rail (2) to form a limiting structure.
3. An aggregate firmness test apparatus according to claim 1, wherein: the top ends between the water bath tank (9) and the solution tank (10), between the water bath tank (9) and the first electric heating tube (14), between the solution tank (10) and the net barrel (30) and between the drying tank (17) and the second electric heating tube (18) are vertically nested to form a lifting limit structure.
4. An aggregate firmness test apparatus according to claim 1, wherein: hanging rings (11) are fixed on the left side and the right side of the top ends of the solution tank (10) and the net barrel (30), and hooks (29) are used for being mutually clamped with the corresponding hanging rings (11).
5. An aggregate firmness test apparatus according to claim 1, wherein: flanges (24) are arranged at the front end and the rear end of the second travelling wheel (23), and the flanges (24) are in mutual contact with the side wall of the portal frame (3) to form a limiting structure.
6. An aggregate firmness test method according to any of claims 1-5, wherein: the method comprises the following steps:
A. preparing a solution and preparing a sample before the firmness test according to the test protocol;
B. the test parameters are set on the operation interface of the master controller (31) as follows,
the water bath heating temperature T is monitored by a temperature sensor (12)120-25 ℃ and the first soaking time t020h, the subsequent cycle soaking time ti-1(i ═ 2, 3, 4); drying temperature T2Drying at 100-110 ℃ for 4h, cooling for t', and circulating times N;
C. firstly, injecting a proper amount of clear water into the water bath tank (9), and under the monitoring of the liquid level sensor (13), correspondingly opening and closing the two electromagnetic valves (16) to maintain the liquid level not to exceed 2/3 of the total height; then injecting a prepared solution into the solution tank (10), wherein the volume of the solution is 5:1 of the volume of the sample;
D. putting a sample into a net barrel (30), hanging a hanging ring (11) on the net barrel on a hook (29), clicking an operation interface of a main controller (31), and entering an automatic operation state;
E. the X-direction motor (5) drives the first rotating shaft (6) and the first travelling wheel (7) to rotate at a constant speed, so that the whole portal frame (3) translates back and forth along the guide rail (2) through the cross beam (4); the Y-direction motor (21) drives the second rotating shaft (22) and the second traveling wheel (23) to rotate at a constant speed, so that the whole movable frame (20) translates left and right along the top end of the portal frame (3); a Z-direction motor (25) drives a roll shaft (26) and a winding drum (27) to rotate at a constant speed, so that a rope (28) pulls a net drum (30) to move up and down;
F. after a plurality of times of soaking and drying, the screen cylinder (30) is taken down, the samples in the screen cylinder (30) are cleaned, dried and sieved according to requirements, the screen allowance is weighed, and the firmness test of the size fraction samples is finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010433295.7A CN111537388A (en) | 2020-05-21 | 2020-05-21 | Aggregate firmness testing device and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010433295.7A CN111537388A (en) | 2020-05-21 | 2020-05-21 | Aggregate firmness testing device and method |
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| CN111537388A true CN111537388A (en) | 2020-08-14 |
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| CN202010433295.7A Pending CN111537388A (en) | 2020-05-21 | 2020-05-21 | Aggregate firmness testing device and method |
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| CN206901639U (en) * | 2017-07-21 | 2018-01-19 | 李莹 | A kind of balance crane of crane |
| CN206974840U (en) * | 2017-06-12 | 2018-02-06 | 北京东方建宇混凝土科学技术研究院有限公司 | A kind of stable temperature control automatically determines the experimental rig of sandstone robustness |
| CN109490134A (en) * | 2018-12-11 | 2019-03-19 | 李丽 | A kind of Automatic Control is gathered materials tough test device and test method |
| CN209922766U (en) * | 2019-06-11 | 2020-01-10 | 河南恒远恒山工业有限公司 | Steel wire rope electric hoist |
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2020
- 2020-05-21 CN CN202010433295.7A patent/CN111537388A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205580914U (en) * | 2016-04-29 | 2016-09-14 | 长安大学 | Automatic highway tightness proof box of gathering materials |
| CN206974840U (en) * | 2017-06-12 | 2018-02-06 | 北京东方建宇混凝土科学技术研究院有限公司 | A kind of stable temperature control automatically determines the experimental rig of sandstone robustness |
| CN206901639U (en) * | 2017-07-21 | 2018-01-19 | 李莹 | A kind of balance crane of crane |
| CN109490134A (en) * | 2018-12-11 | 2019-03-19 | 李丽 | A kind of Automatic Control is gathered materials tough test device and test method |
| CN209922766U (en) * | 2019-06-11 | 2020-01-10 | 河南恒远恒山工业有限公司 | Steel wire rope electric hoist |
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Application publication date: 20200814 |
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