CN116907973A - Cement test block compression test device - Google Patents
Cement test block compression test device Download PDFInfo
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- CN116907973A CN116907973A CN202311141372.1A CN202311141372A CN116907973A CN 116907973 A CN116907973 A CN 116907973A CN 202311141372 A CN202311141372 A CN 202311141372A CN 116907973 A CN116907973 A CN 116907973A
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- 238000012360 testing method Methods 0.000 title claims abstract description 192
- 239000004568 cement Substances 0.000 title claims abstract description 20
- 238000012669 compression test Methods 0.000 title claims abstract description 19
- 238000002360 preparation method Methods 0.000 claims abstract description 55
- 238000003825 pressing Methods 0.000 claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 80
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000007790 scraping Methods 0.000 claims 2
- 238000005259 measurement Methods 0.000 abstract description 7
- 238000001514 detection method Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- 239000012634 fragment Substances 0.000 description 9
- 238000004140 cleaning Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000005485 electric heating Methods 0.000 description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000012780 transparent material Substances 0.000 description 2
- 208000037170 Delayed Emergence from Anesthesia Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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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 application relates to a cement test block compression test device, which relates to the field of concrete tests, and comprises a frame, wherein the frame is provided with an upper pressing plate, a lower pressing plate and a pressurizing mechanism, and the compression test device further comprises: the preparation bin is used for temporarily storing test blocks to be tested, and a humidity adjusting component and a temperature adjusting component are arranged in the preparation bin; the first conveying piece is used for driving the test block to move towards the lower pressing plate; the front baffle plate and the rear baffle plate are positioned above the middle position of the conveying part in the length direction, a first lifting part for driving the front baffle plate to lift is arranged in the preparation bin, the front baffle plate is abutted with the conveying part when in the lowest state, and the rear baffle plate is positioned at one side of the front baffle plate, which is away from the lower pressure plate; a plurality of ranging sensors arranged along the edge of the tailgate; and the rotating assembly is used for driving the test block to rotate between the front baffle and the rear baffle. When the front test block is subjected to the pressurization test, the subsequent test block can automatically perform measurement work between the front baffle and the rear baffle, so that the labor is effectively saved.
Description
Technical Field
The application relates to the field of concrete tests, in particular to a compression test device for a cement test block.
Background
The detection of the cement test block is an indispensable work for judging the performance of the concrete, and according to the aimed indexes, the detection is divided into compressive strength detection, flexural strength detection, density detection, water absorption detection and the like, and corresponding detection projects also have corresponding detection equipment, wherein the compressive strength detection mainly utilizes a compression tester to detect the compressive strength of the test block within a certain time, so as to judge the quality of the concrete.
The compression test has strict requirements, and after the test block is taken out from the curing room, the test should be performed as soon as possible, so that the humidity of the test block is prevented from exceeding the standard; before the test, the size and shape of the test block need to be checked; the original humidity of the test block is required to be kept in the process of breaking, the surface of the test block is wiped dry before breaking, and the pressed surface of the test block is adjusted to break. And after the test of the test blocks manufactured in the same age and under the same condition is finished, taking the average value in the range for data calculation and recording.
At present, a more common pressure testing machine can refer to Chinese patent with publication number of CN206540779U, the space between an upper pressing plate and a lower pressing plate is mainly utilized to realize the pressurization of test blocks between the upper pressing plate and the lower pressing plate, a sensor is additionally used for recording pressure data in the breaking process of the test blocks in real time, and for ensuring safety, a protective baffle is selectively installed around the test blocks in the testing process, and the protective baffle is manually opened to clean fragments after the test. At present, a part of pressure testing machines capable of automatically cleaning fragments exist, so that the preparation work of manually carrying out the next test block is saved while the fragments are automatically cleaned, and the detection efficiency is improved.
For the related technology, even if a pressure testing machine capable of being automatically cleaned is adopted, the inspection of the edge size and the shape and the like still need to be manually carried out for a plurality of times in the test process, and the inspection needs to be carried out by personnel with higher professional degree, so that the labor is consumed.
Disclosure of Invention
In order to save labor, the application provides a cement test block compression test device.
The application provides a cement test block compression test device, which adopts the following technical scheme:
the utility model provides a cement test block compressive test device, includes the frame, and the frame is equipped with upper and lower clamp plate and the pressurizing mechanism who is used for changing upper clamp plate and holding down plate interval just from top to bottom, still includes: the preparation bin is fixedly arranged at one end of the frame, far away from the lower pressure plate, and is used for temporarily storing test blocks to be tested, and a humidity adjusting component and a temperature adjusting component for adjusting humidity are arranged in the preparation bin; the first conveying piece is positioned in the preparation bin and used for driving the test block to move towards the lower pressing plate, and a first opening for the test block to pass through is formed in one end, close to the lower pressing plate, of the preparation bin; the front baffle is positioned above the middle position of the conveying part in the length direction, a first lifting part for driving the front baffle to lift is arranged in the preparation bin, and the front baffle is abutted with the conveying part when in the lowest state; the back baffle is positioned on one side of the front baffle, which is away from the lower pressure plate, a support frame is arranged in the preparation bin and comprises a fixed part fixedly connected with the front baffle and a movable part slidingly connected with the fixed part, the back baffle is rotationally connected with the movable part, a plurality of elastic pieces are connected between the support frame and the movable part, and the back baffle is parallel to the front baffle in a natural state of the elastic pieces; the distance measuring sensors are distributed along the edge of the rear baffle and are fixedly arranged on one side of the rear baffle, which is close to the front baffle; the rotating assembly is positioned in the preparation bin and used for driving the test block to rotate between the front baffle and the rear baffle.
By adopting the technical scheme, a user places a plurality of test blocks in the same group of tests at the conveying start end of the first conveying part, and adjusts the temperature and humidity in the preparation bin by utilizing the humidity adjusting component and the temperature adjusting component so as to enable the temperature and humidity to be close to the manufacturing environment of the test blocks; the first conveying part intermittently operates, the test blocks are moved onto the lower pressing plate one by one to be tested, when the test blocks pass through the space between the front baffle plate and the rear baffle plate, the first lifting part controls the front baffle plate and the rear baffle plate to descend, the test blocks are blocked by the front baffle plate, meanwhile, the movable part slides to drive the rear baffle plate to be tightly attached to the test blocks, then distance measuring sensors at different positions measure the distance between the rear baffle plate and the front baffle plate, and finally the rotating assembly controls the test blocks to rotate, so that the angle of the test blocks is changed, and the size and the parallelism of the test blocks are judged; the subsequent test block can automatically measure the pressure of the front test block, so that the labor is effectively saved.
Optionally, the method further comprises: the second conveying piece is positioned at one side of the first conveying piece, and a second opening for the passage of the test block is formed at one side of the preparation bin, which is close to the second conveying piece; the first pushing plate is positioned on one side of the first conveying piece, which is away from the first opening, and is opposite to the first opening, and the preparation bin is internally provided with the first pushing plate and a driving piece for driving the first pushing plate to move towards the second conveying piece.
Through adopting above-mentioned technical scheme, when measuring result is not up to standard, the first push pedal of driving piece drive promotes the test block to the second and carries on the piece, is directly retrieved by the second and carries the piece, and then the test block that the guarantee quality is up to standard carries out the pressurization test, and need not the manual work and get rid of not up to standard test block, further uses manpower sparingly.
Optionally, the first conveying piece includes two mutually perpendicular's main conveyer belt, and rotating assembly is including being located the disc under the support frame, and the disc rotates with the frame to be connected, and the vertical setting of axis of rotation, and the disc upper end is equipped with vice conveyer belt, and when vice conveyer belt was parallel with arbitrary main conveyer belt, put through with the main conveyer belt that corresponds.
Through adopting above-mentioned technical scheme, after the test block removes to the disc, preceding baffle cooperation backplate is measured the test block, and then the disc rotates, when changing the test block angle and carrying out abundant measurement, makes vice conveyer belt and another main conveyer belt switch on, is convenient for follow-up carry the test block to the clamp plate downwards, and simple structure has improved measuring degree of accuracy.
Optionally, the frame is equipped with a plurality of guard plates along the circumference of holding down plate, and the high height of guard plate is higher than the height of holding down plate, and the guard plate that is close to the preparation storehouse is just right with first opening, and along vertical direction and frame sliding connection.
By adopting the technical scheme, the protection plate can block splashed fragments when the test block is broken, so that the safety is high; even if the staff is not near the frame, fragments can be limited between the protection plates, so that the rapid cleaning is convenient.
Optionally, the second conveying member extends to one side of holding down plate, is close to the guard plate of second conveying member along vertical direction and frame sliding connection, and holding down plate one side is equipped with the second push pedal that is used for promoting the test block to the second conveying member, and the tip is equipped with the brush under the second push pedal.
Through adopting above-mentioned technical scheme, the test block that the experiment was accomplished generally has a great incomplete piece of volume and a plurality of small volume fragments, and after the pressurization of a test block was accomplished, the guard plate that is close to second transport piece was slided to the holding down plate below, and the second push pedal promotes big incomplete piece of volume to the second on carrying the piece afterwards, and the brush clearance small volume fragments need not the manual work to clear up on carrying the piece to the second simultaneously, further uses manpower sparingly.
Optionally, one end of the preparation bin, which is close to the lower pressure plate, is provided with a water wiping frame, the water wiping frame is located right above the first conveying piece, the water wiping frame is in a box shape with an opening at the lower end, the preparation bin is provided with a second lifting piece for driving the water wiping frame to lift, the surfaces of the inner wall of the water wiping frame and the first conveying piece are both provided with water absorbing pieces, an air bag is arranged between the inner wall of the water wiping frame and the corresponding water absorbing pieces, and the rack is provided with an air pump for controlling the air bag to collect and deflate.
Through adopting above-mentioned technical scheme, remove to wiping the water frame below after the test block is measured, the second elevating component control is wiped the water frame and is fallen the cover outside the test block of below, then the air pump control gasbag inflation, make the piece that absorbs water in the water frame contact with the surface of test block, and then get rid of the moisture on test block surface, and the moisture of terminal surface under the test block then is absorbed by the piece that absorbs water on the surface of first transport piece in first transport piece transportation process, need not the manual work and wipes the moisture on test block surface, further uses manpower sparingly.
Optionally, the frame has set firmly the scraper blade, and the scraper blade is located the below of first conveying piece and with the piece butt that absorbs water on first conveying piece surface.
Through adopting above-mentioned technical scheme, in the first transport piece operation process, the piece that absorbs water on it can absorb more moisture, because scraper blade and piece butt that absorbs water can strike off the moisture in the piece that absorbs water with the operation of first transport piece is automatic to corresponding, guarantee test block surface moisture's removal effect is favorable to improving the test accuracy.
Optionally, a plurality of capillary hoses are arranged between the air bags and the water absorbing piece in the water wiping frame, a plurality of capillary holes are formed in the surfaces of the capillary hoses, and electromagnetic valves used for alternately communicating with the air pump are connected between the air bags and the capillary hoses.
Through adopting above-mentioned technical scheme, when solenoid valve switches to air pump and capillary hose intercommunication, the air pump makes the interior negative pressure that forms of capillary hose, and then makes the moisture in the piece that absorbs water inhale in the capillary hose through capillary hole, guarantee test block surface moisture's removal effect, be favorable to improving the test accuracy.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the user puts a plurality of test blocks in the same group of tests at the conveying start end of the first conveying member, and adjusts the temperature and humidity in the preparation bin by utilizing the humidity adjusting component and the temperature adjusting component so as to enable the temperature and humidity to be close to the manufacturing environment of the test blocks; the first conveying part intermittently operates, the test blocks are moved onto the lower pressing plate one by one to be tested, when the test blocks pass through the space between the front baffle plate and the rear baffle plate, the first lifting part controls the front baffle plate and the rear baffle plate to descend, the test blocks are blocked by the front baffle plate, meanwhile, the movable part slides to drive the rear baffle plate to be tightly attached to the test blocks, then distance measuring sensors at different positions measure the distance between the rear baffle plate and the front baffle plate, and finally the rotating assembly controls the test blocks to rotate, so that the angle of the test blocks is changed, and the size and the parallelism of the test blocks are judged; the subsequent test block can automatically measure the pressure of the front test block, so that the labor is effectively saved;
2. after the test block is pressurized, a protection plate close to the second conveying piece slides to the lower part of the lower pressing plate, then the second pushing plate pushes the large-volume residual block to the second conveying piece, and meanwhile, the hairbrush cleans the small-volume fragments on the second conveying piece, so that manual cleaning is not needed, and labor is further saved;
3. after the measurement of the test block is completed, the test block moves to the lower part of the water wiping frame, the second lifting part controls the water wiping frame to descend and cover the test block below, then the air pump controls the air bag to expand, so that the water absorbing part in the water wiping frame is contacted with the surface of the test block, the water on the surface of the test block is further removed, the water on the lower end surface of the test block is absorbed by the water absorbing part on the surface of the first conveying part in the conveying process of the first conveying part, the water on the surface of the test block is not required to be manually wiped, and the labor is further saved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a cement block compression test apparatus.
Fig. 2 is a schematic view of the internal structure of the preparation chamber.
Fig. 3 is a partial schematic view showing the structure of the support frame.
Fig. 4 is a schematic cross-sectional structure of the wiper stand.
FIG. 5 is a partial schematic view highlighting the lower platen and the shield plate.
Fig. 6 is a schematic partial cross-sectional view of a highlighting squeegee.
Reference numerals illustrate: 1. a frame; 2. a pressurizing mechanism; 21. an upper press plate; 22. a lower pressing plate; 23. a protection plate; 3. preparing a bin; 31. a humidity conditioning component; 311. a water tank; 312. a water pipe; 313. an atomizing nozzle; 32. an electric heating wire; 4. a first conveying member; 41. a first main conveyor belt; 42. a disc; 421. a secondary conveyor belt; 43. a second main conveyor belt; 5. a support frame; 51. a first lifting member; 52. a fixing part; 521. a front baffle; 53. a movable part; 531. a rear baffle; 532. an elastic member; 533. a ranging sensor; 6. a driving member; 61. a first push plate; 7. a second conveying member; 8. a water wiping frame; 81. a second lifting member; 82. a water absorbing member; 83. an air bag; 84. an air pump; 85. a capillary tube; 86. an electromagnetic valve; 87. a scraper; 9. a second push plate; 91. a brush.
Detailed Description
The present application will be described in further detail below with reference to the accompanying drawings.
The embodiment of the application discloses a compression test device for a cement test block.
Referring to fig. 1, a compression test device for cement test blocks comprises a frame 1 for supporting all parts, wherein one end of the length direction of the upper end part of the frame 1 is provided with an upper pressing plate 21 and a lower pressing plate 22 which are opposite up and down, a test block is positioned between the upper pressing plate 21 and the lower pressing plate 22 during test, the lower pressing plate 22 provides support, the frame 1 is provided with a pressurizing mechanism 2 for changing the distance between the upper pressing plate 21 and the lower pressing plate 22, and the pressurizing mechanism 2 realizes pressurizing of the test blocks by utilizing the change of the distance between the upper pressing plate 21 and the lower pressing plate 22 to perform test. The upper end of the frame 1 is also provided with a preparation bin 3, the preparation bin 3 provides an environment similar to the manufacturing of the test block, and the test block is automatically measured and surface moisture is removed before being pressurized.
Referring to fig. 2, the preparation bin 3 is in a rectangular shell shape made of transparent materials such as acrylic, and the lower end part is fixedly connected with the frame 1, so that a user can visually check the working condition in the preparation bin 3 when needed due to the transparent materials. The first conveying member 4 fixed on the frame 1 is arranged in the preparation bin 3, the first conveying member 4 comprises two main conveying belts which are perpendicular to each other, an inlet is formed in the side wall of the preparation bin 3, one main conveying belt is arranged along the width direction of the frame 1 and is set to be a first main conveying belt 41, and the conveying start ends of the first main conveying belt 41 extend from the inlet to the outside of the preparation bin 3, so that a user can conveniently place test blocks to be tested at the conveying start ends of the main conveying belts one by one, and the test blocks can be moved into the preparation bin 3 along with the operation of the first main conveying belt 41.
Referring to fig. 2, in order to reduce the performance variation of the test block during the test, in this embodiment, a humidity adjusting component 31 for adjusting humidity and a temperature adjusting component for adjusting temperature are provided in the preparation bin 3, a temperature and humidity environment similar to the test block manufacturing place is created in the preparation bin 3, and shielding curtains are provided at all openings of the preparation bin 3, so that the environments inside and outside the preparation bin 3 are independent as much as possible.
Referring to fig. 2, the humidity control assembly 31 includes a water tank 311, a water pipe 312 and an atomizer 313, the water tank 311 is fixed with the frame 1, the atomizer 313 is disposed at the top of the preparation chamber 3, the water pipe 312 is connected between the water tank 311 and the atomizer 313, so that water in the water tank 311 is conveniently introduced into the atomizer 313; further, a water pump (not shown) may be installed in the water tank 311, and the water pressure is guaranteed by the water pump (not shown), so that the atomizing nozzle 313 atomizes the water source smoothly and then sprays the atomized water into the preparation chamber 3, so as to adjust the humidity in the preparation chamber 3. A humidity sensor can be installed in the preparation bin 3, so that a user can monitor the humidity in the preparation bin 3 in real time.
Referring to fig. 2, the temperature adjusting unit includes an electric heating wire 32 wound around the outside of the water pipe 312, and when the temperature in the preparation chamber 3 needs to be increased, the electric heating wire 32 is energized, the generated heat heats the water passing through the water pipe 312, and the temperature of the water mist in the preparation chamber 3 is changed, so that the temperature in the preparation chamber 3 is adjusted while the humidity is adjusted. Optionally, the electric heating wire 32 can be directly installed in the preparation bin 3, so that independent adjustment of temperature and humidity can be conveniently realized, and meanwhile, the temperature sensor can be installed in the preparation bin 3, so that temperature change can be monitored in real time, and more accurate environment can be conveniently built.
Referring to fig. 2 and 3, both main conveyors intermittently run and intermittently convey test pieces. When the test block is conveyed to the conveyance end of the first main conveyor belt 41, measurement of the index such as the dimension and the parallelism is automatically performed. The other main conveyer belt is set as a second main conveyer belt 43, a rotating assembly is arranged between the conveying tail end of the first main conveyer belt 41 and the conveying start end of the second main conveyer belt 43, the rotating assembly comprises a disc 42 with a vertical axis, the disc 42 is rotationally connected with the frame 1 around the axis of the rotating assembly, and driving equipment such as a motor and the like is arranged in the frame 1 to drive the disc 42 to rotate. The auxiliary conveyor belt 421 is mounted on the upper end surface of the disc 42, and when the test block moves above the disc 42, the auxiliary conveyor belt 421 is parallel to and in communication with the first main conveyor belt 41, and at this time, the test block can smoothly move above the disc 42 along with the auxiliary conveyor belt 421.
Referring to fig. 2 and 3, a supporting frame 5 is arranged right above the disc 42, the supporting frame 5 comprises a fixing part 52, the frame 1 is fixedly provided with a first lifting piece 51, the first lifting piece 51 is a vertical pneumatic guide rail, the fixing part 52 is fixedly connected with a sliding block of the pneumatic guide rail, the first lifting piece 51 provides support, and meanwhile, the lifting can be controlled by the first lifting piece 51; the front baffle 521 is fixedly connected to the side of the fixing portion 52 away from the first main conveyor belt 41, and the rear baffle 531 is provided to the side of the support frame 5 close to the first main conveyor belt 41. In a natural state, the supporting frame 5 is located at the highest state, at this time, the lowest positions of the front baffle 521 and the rear baffle 531 are higher than the top of the test block, and after the test block is located on the disc 42, the pneumatic guide rail controls the supporting frame 5 to descend, so that the test block is located between the front baffle 521 and the rear baffle 531, and along with the conveying of the auxiliary conveying belt 421, the test block is abutted with the front baffle 521, and then the auxiliary conveying belt 421 pauses running.
Referring to fig. 2 and 3, the supporting frame 5 further includes a movable portion 53 slidably connected to the fixed portion 52 along the length direction of the first main conveyor belt 41, a connection ball is fixedly disposed on a side of the back baffle 531 facing away from the front baffle 521, a ball groove adapted to the connection ball is formed in the movable portion 53, the connection ball is embedded in the ball groove to connect the back baffle 531 and the movable portion 53, and the back baffle 531 is rotatable in different directions; three elastic pieces 532 are connected between the support frame 5 and the movable part 53, springs are selected for the elastic pieces 532, and the back baffle 531 is parallel to the front baffle 521 in the natural state of the elastic pieces 532, so that the back baffle 531 is ensured to smoothly descend to the side surface of the test block.
Referring to fig. 2 and 3, the support 5 is fixedly provided with a micro cylinder, the piston rod of which extends and contracts along the length direction of the first main conveyor belt 41 and is fixedly connected with the movable portion 53, and after the test block abuts against the front baffle 521, the piston rod of the micro cylinder extends to drive the movable portion 53 and the rear baffle 531 to approach the test block until the rear baffle 531 abuts against the test block.
Referring to fig. 3, if the two surfaces of the test block, which are in contact with the front and rear baffles 521 and 531 at this time, are not parallel to each other, the connection ball of the rear baffle 531 rotates in the ball groove, and the rear baffle 531 is brought into close contact with the test block. A plurality of ranging sensors 533 are installed on one side of the rear baffle 531, which is close to the front baffle 521, the ranging sensors 533 are selected from infrared or ultrasonic types, the infrared sensors are preferably selected in the embodiment, the ranging sensors 533 are arranged along the edge of the rear baffle 531, the ranging sensors 533 are preferably distributed at equal intervals, the distance between the front baffle 521 and the rear baffle 531 is measured by the ranging sensors 533, and then the size of the corresponding position of the test block is obtained. If the size difference between the circumferential different positions of the test block is within a proper range, it is indicated that the parallelism of the two surfaces of the test block, which are in contact with the front baffle 521 and the rear baffle 531 at this time, reaches the standard, and the value of the ranging sensor 533 is the side length of the test block, so that the user can perform test recording. In the same way, a ranging sensor 533 can be arranged on the lower end face of the supporting frame 5 to judge whether the parallelism and the height of the upper end face and the lower end face of the test block reach standards.
Referring to fig. 3, the first lifting member 51 then controls the supporting frame 5 to lift, the disc 42 drives the test block to rotate 90 degrees, so that the auxiliary conveyor belt 421 is parallel to and communicated with the second main conveyor belt 43, then the supporting frame 5 descends again, the other two sides of the test block are measured by repeating the steps, the user determines the verticality of the test block according to the difference between the two measurements, and further automatically measures the data such as the size, the parallelism, the verticality and the like, if the data reach the standard, the supporting frame 5 ascends, and the auxiliary conveyor belt 421 starts to convey the test block onto the second main conveyor belt 43, and the preparation before pressurization is continued.
Referring to fig. 2 and 3, if the data does not reach the standard, the test block cannot be subjected to the pressurization test in order to ensure the accuracy of the test. One side of the first conveying member 4 is provided with a first push plate 61 for pushing out the test block from the first conveying member 4 and a driving member 6 for driving the first push plate 61 to move, wherein the driving member 6 can be a cylinder, a linear guide rail or the like, and the embodiment is preferably a cylinder; the first push plate 61 is fixed on the piston rod of the driving piece 6, and when the lowest position of the first push plate 61 is higher than the highest position of the disc 42 and the data does not reach the standard, the driving piece 6 starts to control the first push plate 61 to move above the disc 42, and the first push plate 61 pushes test blocks on the disc 42 to the outside of the first conveying piece 4, so that unqualified test blocks are automatically removed.
Referring to fig. 2 and 3, a second conveying member 7 is disposed on a side of the first conveying member 4 facing away from the driving member 6, and the second conveying member 7 may be a chain plate or a conveying belt, and in this embodiment, the conveying belt is preferable; the second conveying member 7 is fixed on the frame 1, the second conveying member 7 is parallel to the second main conveying belt 43 and is the same as the disc 42 in height, the first push plate 61 pushes the test block which does not reach the standard to the conveying start end of the second conveying member 7, and then the test block can be discharged out of the frame 1 by the operation of the second conveying member 7.
Referring to fig. 4 and 5, after the measurement of the test block is completed, the moisture on the surface of the test block is required to be wiped before the pressurization test is performed, a layer of water absorbing member 82 is fixedly installed on the outer surface of the second main conveyor belt 43, and after the standard test block moves onto the second main conveyor belt 43, the lower end surface of the standard test block is directly contacted with the water absorbing member 82, so that the moisture on the lower end surface of the test block is removed. A wiper rack 8 is mounted above the second main conveyor belt 43, and the wiper rack 8 has a rectangular box shape with an opening at a lower end.
Referring to fig. 2 and 4, a second lifting member 81 is fixedly installed at the top of the preparation bin 3, the second lifting member 81 may be an air cylinder, a linear guide rail or the like, in this embodiment, the air cylinder is preferred, and after the test block moves to a position right below the water wiping frame 8, the second lifting member 81 drives the water wiping frame 8 to descend.
Referring to fig. 4, the space in the wiper rack 8 is larger than the test block, along with the descent of the wiper rack 8, the wiper rack 8 is sleeved outside the test block, an air bag 83 is laid on the inner wall of the wiper rack 8, a water absorbing member 82 is also arranged on the surface of the air bag 83, an air pump 84 is arranged on the frame 1, an electromagnetic valve 86 is communicated between the air pump 84 and the air bag 83, at this time, the air pump 84 is started to supply air into the air bag 83, the air bag 83 expands to enable the water absorbing member 82 on the surface of the air bag 83 to contact with the test block from different directions, and then all the side surfaces except the lower end surface of the test block are subjected to moisture removal, so that the wiping of the surface moisture of the test block is completed.
Referring to fig. 4 and 6, if the test is continued, the higher the moisture in the water absorbing member 82 is, the worse the water absorbing effect is, and in order to secure the water absorbing effect of the water absorbing member 82, a scraper 87 is mounted below the second main conveyor belt 43, the scraper 87 is fixed to the frame 1, the upper end surface abuts against the water absorbing member 82 at the lower belt surface of the second main conveyor belt 43, and the moisture in the water absorbing member 82 is extruded by pressing the water absorbing member 82. Meanwhile, in the water wiping part, a plurality of capillary hoses 85 are arranged between the air bag 83 and the water absorbing part 82 on the surface layer of the air bag 83, the capillary hoses 85 are also communicated with the electromagnetic valves 86, in the embodiment, two-position five-way electromagnetic valves 86 are adopted, the electromagnetic valves 86 are switched to enable the air bag 83 and the capillary hoses 85 to be alternately communicated with the air pump 84, a plurality of capillary holes are formed in the surface of the capillary hoses 85, and when the air pump 84 is communicated with the capillary hoses 85, the air pump 84 is pumped outwards to enable negative pressure to be formed in the capillary hoses 85, and then moisture in the water absorbing part 82 is sucked out.
Referring to fig. 5, after the test block is wiped, the second main conveyor belt 43 is started again to drive the test block to be close to the lower pressure plate 22, the protection plates 23 are all installed around the lower pressure plate 22, the protection plates 23 are all vertically arranged and are higher than the lower pressure plate 22, and the protection plates 23 are made of transparent acrylic materials, so that a user can visually check the testing state.
Referring to fig. 5, two protection plates 23 near the second main conveyor belt 43 and near the second conveyor 7 are both slidably connected to the frame 1 in the vertical direction, and a user can install a linear guide rail or an air cylinder in the frame 1 to perform lifting driving. After the shielding plate 23 adjacent to the second main conveyor belt 43 is lowered, the test block is moved onto the lower platen 22 along with the second main conveyor belt 43, and then the shielding plate 23 is reset, and the upper platen 21 is lowered for the pressurization test.
Referring to fig. 5, after the test is completed, the test block is broken, and after cleaning, the next test block can be pressurized. A linear guide rail or a cylinder and other power parts are arranged on one side of the lower pressing plate 22 far away from the second main conveying belt 43, the power parts are provided with second pushing plates 9, the second pushing plates 9 are horizontally arranged and can horizontally move under the action of the power parts, and test block fragments are pushed to the second conveying parts 7 in the moving process of the second pushing plates 9; meanwhile, the lower end face of the second push plate 9 is provided with a hairbrush 91, the hairbrush 91 is in butt joint with the lower pressure plate 22, and then the broken powder is cleaned on the second conveying piece 7 at the same time, and cleaning of test blocks after the test is automatically completed. And in the process of pressurizing and cleaning the former test block, the latter test block simultaneously wipes water, so that the whole test duration can be reduced, the labor is saved, and the efficiency is accelerated.
The implementation principle of the cement test block compression test device provided by the embodiment of the application is as follows: the user places a plurality of test blocks in the same group at the conveying start end of the first conveying member 4, and adjusts the temperature and humidity in the preparation bin 3 by utilizing the humidity adjusting component 31 and the temperature adjusting component so as to enable the temperature and humidity to be close to the manufacturing environment of the test blocks; the first conveying member 4 intermittently operates to move the test blocks onto the lower pressure plate 22 one by one for testing, when the test blocks pass through the space between the front baffle 521 and the rear baffle 531, the first lifting member 51 controls the front baffle 521 and the rear baffle 531 to descend, the test blocks are blocked by the front baffle 521, meanwhile, the movable part 53 slides to drive the rear baffle 531 to be tightly attached to the test blocks, then the distance measuring sensors 533 at different positions measure the distance between the rear baffle 531 and the front baffle 521, and finally the rotating assembly controls the test blocks to rotate, changes the angle of the test blocks, and further judges the size and the parallelism of the test blocks; and the water on the surface of the test block is automatically removed under the action of the water wiping frame 8, the subsequent test block can automatically perform measurement work and surface wiping work while the pressurization test of the previous test block is performed, and the efficiency is quickened, and meanwhile, the manpower is effectively saved.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (8)
1. The utility model provides a cement test block compression test device, includes frame (1), and frame (1) are equipped with upper plate (21) and holding down plate (22) and are used for changing upper plate (21) and holding down plate (22) spaced pressurizing mechanism (2), its characterized in that: further comprises:
the preparation bin (3) is fixedly arranged at one end, far away from the lower pressure plate (22), of the frame (1) and is used for temporarily storing test blocks to be tested, and a humidity adjusting component (31) and a temperature adjusting component for adjusting humidity are arranged in the preparation bin (3);
the first conveying piece (4) is positioned in the preparation bin (3) and used for driving the test block to move towards the lower pressing plate (22), and a first opening for the test block to pass through is formed in one end, close to the lower pressing plate (22), of the preparation bin (3);
a front baffle (521) positioned above the middle position of the conveying member in the length direction, a first lifting member (51) for driving the front baffle (521) to lift is arranged in the preparation bin (3), and the front baffle (521) is abutted with the conveying member when in the lowest state;
the back baffle (531) is positioned at one side of the front baffle (521) deviating from the lower pressure plate (22), a support frame (5) is arranged in the preparation bin (3), the support frame (5) comprises a fixed part (52) fixedly connected with the front baffle (521) and a movable part (53) slidingly connected with the fixed part (52), the back baffle (531) is rotationally connected with the movable part (53), a plurality of elastic pieces (532) are connected between the support frame (5) and the movable part (53), and the back baffle (531) is parallel to the front baffle (521) in a natural state of the elastic pieces (532);
a plurality of distance measuring sensors (533) which are distributed along the edge of the rear baffle (531) and are fixedly arranged on one side of the rear baffle (531) close to the front baffle (521);
and the rotating assembly is positioned in the preparation bin (3) and is used for driving the test block to rotate between the front baffle plate (521) and the rear baffle plate (531).
2. The cement specimen compression testing device of claim 1, further comprising:
the second conveying piece (7), the second conveying piece (7) is located at one side of the first conveying piece (4), and a second opening for the passage of test blocks is formed in one side of the preparation bin (3) close to the second conveying piece (7);
the first pushing plate (61) is positioned on one side of the first conveying piece (4) away from the first opening and is opposite to the first opening, and the first pushing plate (61) and the driving piece (6) for driving the first pushing plate (61) to move towards the second conveying piece (7) are arranged in the preparation bin (3).
3. The cement specimen compression test apparatus of claim 1, wherein: the first conveying part (4) comprises two main conveying belts which are perpendicular to each other, the rotating assembly comprises a disc (42) located under the supporting frame (5), the disc (42) is rotationally connected with the frame (1), the rotating axis is vertically arranged, the upper end of the disc (42) is provided with an auxiliary conveying belt (421), and the auxiliary conveying belt (421) is communicated with the corresponding main conveying belt when being parallel to any main conveying belt.
4. The cement specimen compression test apparatus of claim 2, wherein: the machine frame (1) is provided with a plurality of protection plates (23) along the circumference of the lower pressing plate (22), the height of each protection plate (23) is higher than that of the lower pressing plate (22), and the protection plates (23) close to the preparation bin (3) are opposite to the first opening and are in sliding connection with the machine frame (1) along the vertical direction.
5. The cement specimen compression test apparatus of claim 4, wherein: the second conveying piece (7) extends to one side of the lower pressing plate (22), a protection plate (23) close to the second conveying piece (7) is connected with the frame (1) in a sliding mode along the vertical direction, a second pushing plate (9) for pushing the test block to the second conveying piece (7) is arranged on one side of the lower pressing plate (22), and a hairbrush (91) is arranged at the lower end portion of the second pushing plate (9).
6. The cement specimen compression test apparatus of claim 1, wherein: one end that is close to holding down plate (22) of preparation storehouse (3) is equipped with and wipes away water frame (8), wipe away water frame (8) and be located first conveying piece (4) directly over, wipe away water frame (8) and be lower extreme open-ended box-like, prepare storehouse (3) and be equipped with and be used for driving to wipe away second lifting piece (81) that water frame (8) goes up and down, wipe away the inner wall of water frame (8) and the surface of first conveying piece (4) all are equipped with water absorbing piece (82), wipe away and be equipped with gasbag (83) between the inner wall of water frame (8) and the corresponding piece (82) that absorbs water, frame (1) are equipped with air pump (84) that are used for controlling gasbag (83) and receive the gassing.
7. The cement specimen compression test apparatus of claim 6, wherein: the frame (1) is fixedly provided with a scraping plate (87), and the scraping plate (87) is positioned below the first conveying piece (4) and is abutted against the water absorbing piece (82) on the surface of the first conveying piece (4).
8. The cement specimen compression test apparatus of claim 6, wherein: a plurality of capillary hoses (85) are arranged between the air bags (83) and the water absorbing parts (82) in the water wiping frame (8), a plurality of capillary holes are formed in the surfaces of the capillary hoses (85), and electromagnetic valves (86) used for alternately communicating with the air pumps (84) are connected between the air bags (83) and the capillary hoses (85).
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| CN202311141372.1A CN116907973B (en) | 2023-09-06 | 2023-09-06 | Cement test block compression test device |
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