CN117451573A - Building material density testing machine - Google Patents
Building material density testing machine Download PDFInfo
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- CN117451573A CN117451573A CN202311418038.6A CN202311418038A CN117451573A CN 117451573 A CN117451573 A CN 117451573A CN 202311418038 A CN202311418038 A CN 202311418038A CN 117451573 A CN117451573 A CN 117451573A
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- 238000012360 testing method Methods 0.000 title claims abstract description 131
- 239000004566 building material Substances 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 126
- 230000005540 biological transmission Effects 0.000 claims abstract description 62
- 238000003756 stirring Methods 0.000 claims abstract description 19
- 238000003860 storage Methods 0.000 claims description 17
- 238000005303 weighing Methods 0.000 claims description 17
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 10
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 10
- 241001330002 Bambuseae Species 0.000 claims description 10
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 10
- 239000011425 bamboo Substances 0.000 claims description 10
- 238000001125 extrusion Methods 0.000 claims description 10
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 238000005406 washing Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 11
- 238000007667 floating Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/02—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring weight of a known volume
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/02—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring weight of a known volume
- G01N2009/022—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring weight of a known volume of solids
- G01N2009/026—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring weight of a known volume of solids the volume being determined by amount of fluid displaced
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention belongs to the technical field of building material tests, and discloses a building material density testing machine, which comprises a workbench, wherein a testing machine base is arranged at the top end of the workbench, a transparent cover is fixedly arranged at the top end of the testing machine base, a movable door is movably connected to the front side of the transparent cover, a servo motor is fixedly connected to an inner cavity of the testing machine base, a large gear is fixedly sleeved on an output shaft of the servo motor, a small gear is meshed with the surface of the large gear, a first transmission shaft is fixedly connected to the top end of the small gear, an anti-slip transmission belt is sleeved on the surface of the first transmission shaft, a second transmission shaft is connected to the first transmission shaft through the anti-slip transmission belt, and stirring blades are fixedly sleeved on the surface of the second transmission shaft. The air bubble discharge is realized, the situation that the air bubble on the surface of the sample occupies the volume in water and the test data is inaccurate is avoided, and the complicated steps of washing the sample with water and then wiping the sample dry and then carrying out the test are not needed, so that the test efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of building material tests, and particularly relates to a building material density testing machine.
Background
Building materials are materials of construction, and the types of building materials are many, wherein the materials comprise steel bars, cement, rubber and the like, and various tests are needed after the rubber is produced, wherein the density test is one of indexes for testing the strength of the rubber, and a building material density tester generally adopts an Archimedes buoyancy method to test the density of the rubber, so that the weight of a rubber sample is known, the rubber sample is placed in water of the tester, the water level rises, the tester measures the density of the rubber according to an algorithm, and the rubber sample is generally dry, so that if the rubber sample is directly placed in the water, bubbles can occur on the surface of the rubber sample, and the bubbles can occupy a certain space, thereby affecting the accuracy of the water level rising, therefore, a tester generally places the rubber sample in liquid such as alcohol after measuring the weight, water is washed in advance, and then places the rubber sample into the tester after being wiped clean, but the tester is additionally prepared for water in advance, the preparation step before the test is increased, and the efficiency of the test is lowered.
Disclosure of Invention
The invention aims to provide a building material density testing machine for solving the problems in the background technology.
In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a building materials density testing machine, includes the workstation, the testing machine base has been placed on the top of workstation, the top fixed mounting of testing machine base has the translucent cover, the front side swing joint of translucent cover has the dodge gate, the inner chamber fixedly connected with servo motor of testing machine base, servo motor's the fixed cover of output shaft is equipped with the gear wheel, the surface engagement of gear wheel has the pinion, the top fixedly connected with transmission shaft one of pinion, the anti-skidding drive belt has been cup jointed on the surface of transmission shaft one, transmission shaft one is connected with transmission shaft two through anti-skidding drive belt drive, the fixed surface cover of transmission shaft two is equipped with the stirring leaf, the top fixed mounting of testing machine base has a test cylinder.
Preferably, the top fixedly connected with ball of gear wheel, ball's surface engagement has the go-between, the front side fixedly connected with of go-between cup joints the pole, the front side fixed cover of cover extension pole is equipped with the weighing machine, the bottom fixedly connected with weighing rod of weighing machine, the bottom fixedly connected with of weighing rod places the board.
Preferably, the bottom fixedly connected with lifter of cup jointing pole, the bottom fixedly connected with flourishing water plate of lifter, the storage bin has been seted up to the inside of test section of thick bamboo, the water drainage tank has been seted up at the top of the inner chamber of test section of thick bamboo.
Preferably, the right side fixedly connected with caliber I of a test section of thick bamboo, the front side fixedly connected with caliber II of a test section of thick bamboo, the front side of testing machine base is provided with operating panel and display panel.
Preferably, the first movable connection of transmission shaft is in the bottom of a test section of thick bamboo, the inner chamber fixed mounting of testing machine base has the mounting panel, servo motor fixed mounting is in the bottom of mounting panel.
Preferably, the two top ends of the transmission shaft and the stirring blade are both positioned at the bottom end of the inner cavity of the testing cylinder, and the testing cylinder is a cylindrical cavity.
Preferably, a round hole is formed in the upper portion of the test cylinder, the lifting rod penetrates through the round hole and is fixedly connected with the water containing plate, and the water containing plate is attached to the inner wall of the storage bin.
Preferably, the first measurer, the second measurer, the operation panel and the display panel are electrically connected with the base of the testing machine, and the bottom end of the base of the testing machine is provided with anti-skid rubber.
Preferably, the inner chamber fixedly connected with water tank of test machine base, the top fixedly connected with water injection pipe of water tank, the inner chamber of test cylinder is provided with the kickboard, the bottom fixedly connected with L shape pole of kickboard, the bottom swing joint of L shape pole has the joint rotary rod, the bottom fixedly connected with joint board one of joint rotary rod, the bottom fixedly connected with mounting bracket of test cylinder, the middle part swing joint rotation axis of mounting bracket, the top fixedly connected with joint board two of rotation axis, the fixed surface of rotation axis is connected with the extrusion wheel, the bottom fixedly connected with water hose of test cylinder, the top fixedly connected with annular plate of mounting bracket, water hose and annular plate and extrusion wheel contact.
Preferably, the joint rotary rod joint is at the inner chamber of transmission shaft two, the top of water injection pipe is provided with the shutoff head, the bottommost end of water hose is located the bottommost end of water tank inner chamber.
The beneficial effects of the invention are as follows:
1. according to the invention, the servo motor is started to operate, the large gear and the ball screw on the output shaft are driven to rotate through the operation of the servo motor, the pinion is driven to rotate through the rotation of the large gear, so that the transmission shaft I is driven to rotate, the anti-slip transmission belt is driven to operate through the rotation of the transmission shaft I, the transmission shaft II is driven to rotate, the stirring blade is driven to stir the water in the inner cavity of the test cylinder through the transmission shaft II, the rotation speed of the transmission shaft II is increased through the arrangement of the large gear and the pinion, and centrifugal force is generated, so that bubbles on the surface of a sample are separated from the sample to discharge the water, the discharge of the bubbles is realized, the situation that the bubbles on the surface of the sample occupy the volume in the water is avoided, the test data is inaccurate is avoided, and complicated steps of firstly cleaning the sample with water and then performing the test are not needed, and the test efficiency is improved.
2. According to the invention, water enters the inner cavity of the storage bin from the water drainage groove through more water level rising, after the test is finished, the water containing plate is driven to reset through the sleeve connection rod, so that the water in the inner cavity of the storage bin is pushed upwards and pushed back to the inner cavity of the test tube, the situation that the water overflows from the upper part of the test tube and causes inaccurate calculation is avoided, the water is prevented from being scattered on the surface of the base of the tester, the water level line is detected through the floating plate, when the water in the inner cavity of the test tube is lost due to the test, the floating plate drives the clamping rotating rod to descend in the inner cavity of the transmission shaft II, so that the clamping plate I is contacted and clamped with the clamping plate II, the rotating shaft is driven to rotate through the clamping connection rod, the inner cavity of the water adding hose is driven to extrude through the rotating shaft, and the inner cavity of the water adding hose is conveyed to the inner cavity of the test tube through air pressure, so that the water in the inner cavity of the test tube is automatically supplemented, and the situation that the measurer is prevented from being reduced due to the test or evaporation, and the data of the test tube is inaccurate is caused.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the connection of the base of the structure testing machine of the present invention;
FIG. 3 is a schematic view of a structural placement plate connection of the present invention;
FIG. 4 is a schematic view of the connection of the water containing plates of the present invention;
FIG. 5 is a schematic view of the pinion connection of the present invention;
FIG. 6 is an enlarged schematic view of the connection of FIG. 5A according to the present invention;
FIG. 7 is a schematic view of the connection of the extrusion wheel of the present invention;
fig. 8 is an enlarged schematic view of the connection of fig. 7 at B in accordance with the present invention.
In the figure: 1. a work table; 2. a base of the testing machine; 3. a display panel; 4. a transparent cover; 5. a movable door; 6. a servo motor; 7. a large gear; 8. a transmission shaft I; 9. a pinion gear; 10. an anti-slip drive belt; 11. a transmission shaft II; 12. stirring the leaves; 13. a test cartridge; 14. a ball screw; 15. a connecting ring; 16. sleeving a connecting rod; 17. a weighing device; 18. a weighing rod; 19. placing a plate; 20. a water tank; 21. a water injection pipe; 22. a lifting rod; 23. a water containing plate; 24. a storage bin; 25. a drainage channel; 26. a first measurer; 27. a second measurer; 28. an operation panel; 29. a floating plate; 30. an L-shaped rod; 31. clamping a rotating rod; 32. a clamping plate I; 33. a mounting frame; 34. a rotation shaft; 35. a second clamping plate; 36. a pressing wheel; 37. a water hose; 38. and an annular plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 6, the embodiment of the invention provides a building material density testing machine, which comprises a workbench 1, wherein a testing machine base 2 is arranged at the top end of the workbench 1, a transparent cover 4 is fixedly arranged at the top end of the testing machine base 2, a movable door 5 is movably connected to the front side of the transparent cover 4, a servo motor 6 is fixedly connected to an inner cavity of the testing machine base 2, a large gear 7 is fixedly sleeved on an output shaft of the servo motor 6, a small gear 9 is meshed with the surface of the large gear 7, a transmission shaft I8 is fixedly connected to the top end of the small gear 9, an anti-slip transmission belt 10 is sleeved on the surface of the transmission shaft I8, a transmission shaft II 11 is connected to the transmission shaft I through the anti-slip transmission belt 10 in a transmission manner, a stirring blade 12 is fixedly sleeved on the surface of the transmission shaft II 11, and a testing cylinder 13 is fixedly arranged at the top end of the testing machine base 2;
the working principle and beneficial effects of the technical scheme are as follows: the servo motor 6 is started to operate, the large gear 7 and the ball screw 14 on the output shaft of the servo motor are driven to rotate through the operation of the servo motor 6, the pinion 9 is driven to rotate through the rotation of the large gear 7, the transmission shaft I8 is driven to rotate, the anti-slip transmission belt 10 is driven to operate through the rotation of the transmission shaft I8, the transmission shaft II 11 is driven to rotate, the stirring blade 12 is driven to stir water in the inner cavity of the test cylinder 13 through the transmission shaft II 11, the rotating speed of the transmission shaft II 11 is increased through the arrangement of the large gear 7 and the pinion 9, centrifugal force is generated, air bubbles on the surface of a sample are separated from the sample to discharge the water, the air bubbles on the surface of the sample are prevented from occupying the volume in the water, the situation that test data are inaccurate occurs, and complicated steps of firstly washing the sample with water and then wiping the sample are not needed, and the test efficiency is improved.
As shown in fig. 6, in one embodiment, the top end of the large gear 7 is fixedly connected with a ball screw 14, the surface of the ball screw 14 is meshed with a connecting ring 15, the front side of the connecting ring 15 is fixedly connected with a sleeve connecting rod 16, the front side of the sleeve connecting rod 16 is fixedly sleeved with a weighing device 17, the bottom end of the weighing device 17 is fixedly connected with a weighing rod 18, and the bottom end of the weighing rod 18 is fixedly connected with a placing plate 19;
the working principle and beneficial effects of the technical scheme are as follows: the servo motor 6 is started to drive the ball screw 14 to rotate, the connecting ring 15 meshed with the ball screw 14 is driven to lift along the axis direction of the ball screw 14 through the rotation of the ball screw 14, and the weighing device 17 is supported through the sleeving rod 16 at the front side of the connecting ring 15, so that a sample placed in the inner cavity of the placing plate 19 is weighed through the weighing device 17, the sample is supported through the placing plate 19, and water cannot be accumulated in the inner cavity of the placing plate 19 through a water leakage port at the bottom end of the placing plate 19.
As shown in fig. 4, in one embodiment, the bottom end of the sleeve connection rod 16 is fixedly connected with a lifting rod 22, the bottom end of the lifting rod 22 is fixedly connected with a water containing plate 23, a storage bin 24 is arranged in the test cylinder 13, and a drainage tank 25 is arranged at the top of the inner cavity of the test cylinder 13;
the working principle and beneficial effects of the technical scheme are as follows: the servo motor 6 drives the ball screw 14 to rotate so as to drive the sample to move into the water body, meanwhile, drives the water containing plate 23 to move downwards in the inner cavity of the storage bin 24, when the density of the sample is large, the water level rises more, water enters the inner cavity of the storage bin 24 from the water drainage groove 25, after the test is finished, the water containing plate 23 is driven to reset through the sleeve connecting rod 16, so that the water in the inner cavity of the storage bin 24 is pushed upwards and pushed back to the inner cavity of the test cylinder 13, the water is prevented from overflowing from the upper part of the test cylinder 13, the inaccurate density calculation is caused, and the water is prevented from being scattered to the surface of the base 2 of the tester
As shown in fig. 2, in one embodiment, a first measurer 26 is fixedly connected to the right side of the test cylinder 13, a second measurer 27 is fixedly connected to the front side of the test cylinder 13, and an operation panel 28 and a display panel 3 are arranged on the front side of the tester base 2;
the working principle and beneficial effects of the technical scheme are as follows: the first measurer 26 on the right side of the testing cylinder 13 detects the water line in the inner cavity of the testing cylinder 13, the second measurer 27 detects the water line in the inner cavity of the storage bin 24, the operation panel 28 operates the tester base 2, and the display panel 3 displays the obtained data.
As shown in fig. 6, in one embodiment, a first transmission shaft 8 is movably connected to the bottom end of a test cylinder 13, a mounting plate is fixedly mounted in an inner cavity of a base 2 of the testing machine, and a servo motor 6 is fixedly mounted at the bottom of the mounting plate;
the working principle and beneficial effects of the technical scheme are as follows: the first 8 swing joint of transmission shaft is in the bottom of test cylinder 13 for pinion 9 of the first 8 bottom of transmission shaft obtains the support, thereby can mesh with gear wheel 7, is the mounting panel through the test machine base 2 inner chamber, thereby makes the mounting panel install servo motor 6, thereby rethread servo motor 6 drives gear wheel 7 rotation.
As shown in fig. 4, in one embodiment, the top end of the second transmission shaft 11 and the stirring blade 12 are both positioned at the bottom end of the inner cavity of the testing cylinder 13, and the testing cylinder 13 is a cylindrical cavity;
the working principle and beneficial effects of the technical scheme are as follows: the stirring blade 12 is located the bottom of the inner chamber of the testing cylinder 13 to when driving the stirring blade 12 rotation through servo motor 6, can drive the stirring blade 12 rotation of the inner chamber of the testing cylinder 13, rethread gear 7 and pinion 9's setting makes the rotational speed of stirring blade 12 improve, and then separates bubble and sample on sample surface.
As shown in fig. 4, in one embodiment, a round hole is formed above the test cylinder 13, the lifting rod 22 passes through the round hole and is fixedly connected with the water containing plate 23, and the water containing plate 23 is attached to the inner wall of the storage bin 24;
the working principle and beneficial effects of the technical scheme are as follows: lifting rod 22 passes round hole and flourishing water plate 23 fixed connection to carry out spacingly through the round hole to lifting rod 22, and then carry out spacingly to the cover and connect pole 16, thereby prevent that ball screw 14 rotation from driving when cover connects pole 16 to rise, the condition that cover connects pole 16 also takes place rotatory appears, the rethread flourishing water plate 23 laminating is at the inner wall of storage bin 24, thereby support the water of storage bin 24 inner chamber through flourishing water plate 23, after sample density detection finishes, the rising of rethread flourishing water plate 23 will store the water of storage bin 24 inner chamber from water drainage tank 25 back to the inner chamber of test section of thick bamboo 13.
As shown in fig. 2, in one embodiment, the first measurer 26, the second measurer 27, the operation panel 28 and the display panel 3 are all electrically connected with the tester base 2, and an anti-slip rubber is disposed at the bottom end of the tester base 2;
the working principle and beneficial effects of the technical scheme are as follows: the first measuring device 26 detects the water line of the inner cavity of the test cylinder 13, when the density of the sample is large, the second measuring device 27 detects the water line of the inner cavity of the storage bin 24, detected data are calculated through the tester base 2, the detected data are displayed through the display panel 3, and anti-skid rubber at the bottom end of the tester base 2 is used, so that the stability of the tester base 2 when the tester base 2 is placed at the top end of the workbench 1 is improved, and the tester base 2 is prevented from moving.
As shown in fig. 5, in one embodiment, the inner cavity of the base 2 of the testing machine is fixedly connected with a water tank 20, the top end of the water tank 20 is fixedly connected with a water injection pipe 21, the inner cavity of the testing cylinder 13 is provided with a floating plate 29, the bottom end of the floating plate 29 is fixedly connected with an L-shaped rod 30, the bottom end of the L-shaped rod 30 is movably connected with a clamping rotary rod 31, the bottom end of the clamping rotary rod 31 is fixedly connected with a clamping plate I32, the bottom end of the testing cylinder 13 is fixedly connected with a mounting frame 33, the middle part of the mounting frame 33 is movably connected with a rotary shaft 34, the top end of the rotary shaft 34 is fixedly connected with a clamping plate II 35, the surface of the rotary shaft 34 is fixedly connected with a squeezing wheel 36, the bottom end of the testing cylinder 13 is fixedly connected with a water adding hose 37, the top end of the mounting frame 33 is fixedly connected with an annular plate 38, and the water adding hose 37 contacts with the annular plate 38 and the squeezing wheel 36;
the working principle and beneficial effects of the technical scheme are as follows: pinion 9 drives transmission shaft two 11 through transmission shaft one 8 and rotates, and rethread transmission shaft two 11 drives joint rotary rod 31 and rotates, and the rethread kickboard 29 detects the water level of test cylinder 13 inner chamber, and when the water level of test cylinder 13 inner chamber reduced, kickboard 29 drove joint rotary rod 31 and moves down for joint plate one 32 and joint plate two 35 contact, thereby drive rotation axis 34 and rotate, and the extrusion wheel 36 on rethread rotation axis 34 surface carries out rotatory extrusion to water hose 37, thereby makes the atmospheric pressure of water hose 37 inner chamber carry out the extraction to the water of water tank 20 inner chamber, and the water of extraction is supplied to the inner chamber of test cylinder 13.
As shown in fig. 7, in one embodiment, the clamping rotary rod 31 is clamped in the inner cavity of the transmission shaft two 11, the top end of the water injection pipe 21 is provided with a plugging head, and the bottommost end of the water adding hose 37 is positioned at the bottommost end of the inner cavity of the water tank 20;
the working principle and beneficial effects of the technical scheme are as follows: the joint rotary rod 31 joint is at the inner chamber of transmission shaft two 11 to drive joint rotary rod 31 rotation through transmission shaft two 11, and then can drive rotation axis 34 rotation, the plug head on rethread water injection pipe 21 top seals water injection pipe 21, after the water of water tank 20 inner chamber is used up, the accessible is opened the plug head and is replenished water to the inner chamber of water tank 20, the bottom of rethread water hose 37 is located the bottom of water tank 20 inner chamber, thereby make the water of test section of thick bamboo 13 inner chamber, the water of water hose 37 inner chamber and the water of water tank 20 inner chamber be in sealed state all the time, thereby can carry out the extrusion rotation to water hose 37 through extrusion wheel 36 and carry the inner chamber of water to test section of thick bamboo 13 and supplement.
Working principle and using flow: the movable door 5 is opened, then a sample is placed at the top end of the placing plate 19, the sample is weighed through the weighing device 17, the digital value is stored through the testing machine base 2, then the servo motor 6 is started to operate, the large gear 7 is driven to rotate through the servo motor 6, the small gear 9 meshed with the large gear 7 is driven to rotate through the rotation of the large gear 7, the first transmission shaft 8 is driven to rotate through the rotation of the small gear 9, the second transmission shaft 11 is driven to rotate through the anti-skid transmission belt 10, the stirring blade 12 is used for stirring the water in the inner cavity of the testing cylinder 13, and bubbles on the surface of the sample are discharged;
when the placing plate 19 moves into the water body in the inner cavity of the test cylinder 13, the servo motor 6 stops running so as to stop the stirring blade 12 from rotating, the water body is calm, then the change of the water level line is read through the first measurer 26, when the density of the sample is large, water overflows from the water drainage groove 25 to the inner cavity of the storage bin 24, at this time, the water level is only read through the second measurer 27, and then the density is displayed through the display panel 3;
when the water in the inner cavity of the test cylinder 13 is reduced due to the test, the floating plate 29 descends, the L-shaped rod 30 drives the clamping rotary rod 31 to descend, the clamping rotary rod 31 drives the clamping first 32 and the clamping second 35 to be clamped, at the moment, the transmission shaft second 11 drives the clamping rotary rod 31 to rotate, the clamping first 32 drives the clamping second 35 to rotate, the rotation shaft 34 rotates, the extrusion wheel 36 is driven by the rotation shaft 34 to extrude the water adding hose 37, the water in the inner cavity of the water tank 20 is extracted through the air pressure in the inner cavity of the water adding hose 37, and the extracted water is conveyed to the inner cavity of the test cylinder 13 along the water adding hose 37, so that the water in the inner cavity of the test cylinder 13 is supplemented.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. Building materials density testing machine, including workstation (1), its characterized in that: the testing machine is characterized in that a testing machine base (2) is arranged at the top end of the workbench (1), a transparent cover (4) is fixedly arranged at the top end of the testing machine base (2), a movable door (5) is movably connected to the front side of the transparent cover (4), a servo motor (6) is fixedly connected to an inner cavity of the testing machine base (2), a large gear (7) is fixedly sleeved on an output shaft of the servo motor (6), a small gear (9) is meshed with the surface of the large gear (7), a first transmission shaft (8) is fixedly connected to the top end of the small gear (9), an anti-slip transmission belt (10) is sleeved on the surface of the first transmission shaft (8), a second transmission shaft (11) is connected to the first transmission shaft through an anti-slip transmission belt (10), a stirring blade (12) is fixedly sleeved on the surface of the second transmission shaft (11), and a testing cylinder (13) is fixedly arranged at the top end of the testing machine base (2).
2. The building material density testing machine according to claim 1, wherein: the top fixedly connected with ball screw (14) of gear wheel (7), the surface engagement of ball screw (14) has go-between (15), the front side fixedly connected with of go-between (15) cup joints pole (16), the front side fixed cover of cup jointing pole (16) is equipped with weighing ware (17), the bottom fixedly connected with weighing rod (18) of weighing ware (17), the bottom fixedly connected with of weighing rod (18) places board (19).
3. The building material density testing machine according to claim 1, wherein: the bottom fixedly connected with lifter (22) of cup jointing pole (16), the bottom fixedly connected with of lifter (22) holds water board (23), accomodate storehouse (24) have been seted up to the inside of test section of thick bamboo (13), water drainage tank (25) have been seted up at the top of the inner chamber of test section of thick bamboo (13).
4. The building material density testing machine according to claim 1, wherein: the right side of a test cylinder (13) is fixedly connected with a first measurer (26), the front side of the test cylinder (13) is fixedly connected with a second measurer (27), and the front side of the tester base (2) is provided with an operation panel (28) and a display panel (3).
5. The building material density testing machine according to claim 1, wherein: the first transmission shaft (8) is movably connected to the bottom end of the test cylinder (13), the mounting plate is fixedly arranged in the inner cavity of the base (2) of the testing machine, and the servo motor (6) is fixedly arranged at the bottom of the mounting plate.
6. The building material density testing machine according to claim 1, wherein: the top end of the transmission shaft II (11) and the stirring blade (12) are both positioned at the bottom end of the inner cavity of the test cylinder (13), and the test cylinder (13) is a cylindrical cavity.
7. A building material density testing machine according to claim 3, wherein: the upper part of the test cylinder (13) is provided with a round hole, the lifting rod (22) penetrates through the round hole and is fixedly connected with the water containing plate (23), and the water containing plate (23) is attached to the inner wall of the storage bin (24).
8. The building material density testing machine according to claim 4, wherein: the first measurer (26), the second measurer (27), the operation panel (28) and the display panel (3) are electrically connected with the tester base (2), and anti-skid rubber is arranged at the bottom end of the tester base (2).
9. The building material density testing machine according to claim 1, wherein: the inner chamber fixedly connected with water tank (20) of test machine base (2), the top fixedly connected with water injection pipe (21) of water tank (20), the inner chamber of test cylinder (13) is provided with kickboard (29), the bottom fixedly connected with L shape pole (30) of kickboard (29), the bottom swing joint of L shape pole (30) has joint rotary rod (31), the bottom fixedly connected with joint plate one (32) of joint rotary rod (31), the bottom fixedly connected with mounting bracket (33) of test cylinder (13), the middle part swing joint of mounting bracket (33) has rotation axis (34), the top fixedly connected with joint plate two (35) of rotation axis (34), the surface fixedly connected with extrusion wheel (36) of rotation axis (34), the bottom fixedly connected with of test cylinder (13) adds water hose (37), the top fixedly connected with annular plate (38) of mounting bracket (33), it contacts with annular plate (38) and extrusion wheel (36).
10. The building material density testing machine according to claim 9, wherein: the clamping rotary rod (31) is clamped in the inner cavity of the transmission shaft II (11), a plug head is arranged at the top end of the water injection pipe (21), and the bottommost end of the water adding hose (37) is positioned at the bottommost end of the inner cavity of the water tank (20).
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| CN117451573B (en) | 2024-06-28 |
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