CN110879194B - Fineness detection device of concrete aggregate - Google Patents
Fineness detection device of concrete aggregate Download PDFInfo
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- CN110879194B CN110879194B CN201911293448.6A CN201911293448A CN110879194B CN 110879194 B CN110879194 B CN 110879194B CN 201911293448 A CN201911293448 A CN 201911293448A CN 110879194 B CN110879194 B CN 110879194B
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- 238000001514 detection method Methods 0.000 title claims abstract description 90
- 230000005540 biological transmission Effects 0.000 claims abstract description 55
- 230000007246 mechanism Effects 0.000 claims abstract description 39
- 238000004804 winding Methods 0.000 claims description 9
- 238000003825 pressing Methods 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 238000012031 short term test Methods 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 abstract 1
- 230000003287 optical effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 9
- 230000007723 transport mechanism Effects 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 5
- 238000000149 argon plasma sintering Methods 0.000 description 4
- 238000012216 screening Methods 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 230000032258 transport Effects 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000739 chaotic effect Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 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
- 239000002994 raw material Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/02—Investigating particle size or size distribution
- G01N15/0205—Investigating particle size or size distribution by optical means
- G01N15/0211—Investigating a scatter or diffraction pattern
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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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- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention discloses a fineness detection device of concrete aggregate, which relates to the field of concrete detection and comprises a detection box, wherein a laser is arranged on the top wall of the detection box, an optical screen is arranged on the bottom wall of the detection box, and a convex lens positioned below the laser is also arranged in the detection box; a sliding hole penetrates through the side wall of the lower end of the detection box, the sliding hole is positioned between the convex lens and the light screen, and a pair of transmission mechanisms is horizontally arranged in the sliding hole; the pair of transmission mechanisms are distributed on two sides of the sliding hole, and two ends of each transmission mechanism are positioned outside the detection box; a plurality of transparent trays are arranged between the pair of conveying mechanisms at intervals, and the plurality of trays are used for intermittently sliding into the detection box. The invention has the following advantages and effects: through setting up high automatic detection device to utilize the scattering principle of light, realize the continuous detection and the short-term test of multiple aggregate, reduced measurement personnel's intensity of labour, improved detection efficiency, reached the effect that conveniently detects multiple aggregate.
Description
Technical Field
The invention relates to the field of concrete detection, in particular to a fineness detection device for concrete aggregate.
Background
The concrete aggregate is a granular loose material which plays a role in skeleton or filling in concrete, and the aggregate is used as a main raw material in the concrete and plays a role in skeleton and support in buildings. Before production and preparation of traditional concrete, the fineness of aggregate is usually required to be detected so as to ensure that the produced concrete reaches the standard.
In the traditional aggregate fineness detection process, a screening method is generally adopted for detection, and during detection, standard screens with different apertures are selected firstly, then aggregates with certain mass are weighed, and then screening is started from a screen with the largest aperture. Weighing to calculate the mass of the powder remained on the screen after the screening is finished, then changing the aggregate which is sieved for the last time and has a smaller aperture for the first level, and sequentially circulating until the screening is finished.
However, the above detection method is complicated, and only one powder can be detected at a time, so that when a plurality of different powders are required to be detected, a great amount of time and energy of detection personnel are required to be consumed, the labor intensity of the detection personnel is increased, and the detection process of the aggregate is inconvenient and needs to be improved.
Disclosure of Invention
The invention aims to provide a fineness detection device for concrete aggregate, which has the effect of conveniently detecting various aggregates.
The technical purpose of the invention is realized by the following technical scheme: a fineness detection device for concrete aggregate comprises a detection box, wherein a laser is arranged on the top wall of the detection box, a light screen is arranged on the bottom wall of the detection box, and a convex lens positioned below the laser is further arranged in the detection box; a sliding hole penetrates through the side wall of the lower end of the detection box, the sliding hole is positioned between the convex lens and the light screen, and a pair of transmission mechanisms is horizontally arranged in the sliding hole; the pair of transmission mechanisms are distributed on two sides of the sliding hole, and two ends of each transmission mechanism are positioned outside the detection box; a plurality of transparent trays are arranged between the pair of conveying mechanisms at intervals, and the plurality of trays are used for intermittently sliding into the detection box.
Through adopting above-mentioned technical scheme, when using above-mentioned detection device, place the aggregate tiling of difference in the tray, then utilize transport mechanism to transmit a plurality of trays, make a plurality of trays intermittent type nature transport to the detection case in. After first tray moved to the detection incasement, utilize the monochromatic light that convex lens jetted out the laser instrument to convert the parallel light into, after the parallel light wore to establish the tray afterwards, throw to the light screen on, utilize the scattering principle of light to measure the size of aggregate granule this moment, realize the fineness detection of aggregate. Utilize transmission device to transmit a plurality of trays afterwards, when next tray transports to the detection case in, can detect the aggregate on the next tray. And the continuous detection of various aggregates is realized by sequentially reciprocating. Therefore, by arranging the high-automation detection device and utilizing the light scattering principle, the continuous detection and the rapid detection of various aggregates are realized, the labor intensity of detection personnel is reduced, the detection efficiency is improved, and the effect of conveniently detecting various aggregates is achieved.
The invention is further provided with: transport mechanism is including transmitting the frame, it is connected with the transmission roller to transmit frame level and interval rotation, the outer wall winding of transmission roller has the transmission band, the detection case outer wall is provided with and is used for the drive the servo motor of transmission roller intermittent type nature pivoted, and the outer wall of tray is provided with a pair of being used for placing in angle ear on the transmission band.
Through adopting above-mentioned technical scheme, when transmission device during operation, place the tray between a pair of transmission band to make a pair of angle ear on the tray conflict the up end of transmission band. Then the servo motor is used for driving the transmission roller to intermittently rotate, the transmission roller drives the transmission belt to synchronously move at the moment, and the intermittent transmission and the stable transmission of the tray are realized. Therefore, intermittent transmission and stable transmission of the tray are realized through the transmission mechanism with a simple structure and a stable working process, so that stable detection of the aggregate is realized.
The invention is further provided with: and a plurality of groups of positioning blocks are arranged on the conveying belt at intervals, and each group of positioning blocks is used for clamping the side walls of the two sides of the corner lugs.
Through adopting above-mentioned technical scheme, through setting up multiunit locating piece centre gripping angle ear, realize the quick location and the accurate location of tray, realize the short-term test and the high accuracy detection of aggregate.
The invention is further provided with: the device still includes the base, the base is located the rear of detection case, be provided with the portal frame on the base, vertical sliding connection has the carriage on the portal frame, be provided with the multilayer on the carriage and be used for the intercommunication the loading board of transmission device output end position, and be provided with on the portal frame and be used for the drive the actuating mechanism that the carriage slided.
By adopting the technical scheme, after the aggregate in the tray is detected, the tray slides towards the sliding frame, and the driving mechanism is utilized to control the sliding frame to slide downwards, so that the bearing plate on the uppermost layer is communicated with the transmission mechanism. The tray that has detected will break away from transmission device gradually afterwards to slide to the loading board on, realize accomodating of tray. Utilize actuating mechanism control carriage and loading board upward movement afterwards, after the next floor loading board communicates transmission device, can bear and accomodate next tray, reciprocate in proper order, realize accomodating of all trays. Consequently through the cooperation that sets up the carriage that intermittent type nature slided and loading board, realize collecting in proper order and stably accomodating of a plurality of trays, make things convenient for the later stage to the matching and the analysis of aggregate detection numerical value.
The invention is further configured as follows: the driving mechanism comprises a driving rod which is vertically arranged, a driving hole for the driving rod to vertically slide penetrates through the portal frame, a handle is arranged at the upper end of the driving rod, and the lower end of the driving rod is rotatably connected to the upper end face of the sliding frame; the outer wall of actuating lever is provided with a plurality of lockplates that are used for compressing tightly the portal frame up end, it has the intercommunication to run through on the portal frame the drive hole just supplies the locking hole that the lockplate wore to establish to adjacent two distance between the lockplate equals with adjacent two-layer distance between the loading board.
By adopting the technical scheme, when the sliding frame is driven to move, the handle is pulled to drive the driving rod to move upwards or downwards, and the driving rod drives the sliding frame to move synchronously. And when the actuating lever moved, the actuating lever will drive lockplate synchronous motion, and the lockplate slided along the inner wall of locking groove simultaneously. Because the distance between two adjacent lockplates equals with the distance between the adjacent two-layer loading board, consequently after lockplate motion to the up end of portal frame, the actuating lever rotates, makes the lockplate compress tightly the up end of portal frame, can realize the automatic positioning and the accurate location of sliding seat and loading board, consequently makes the process of accomodating of a plurality of trays light convenient more.
The invention is further provided with: the bearing board deviates from one end level of transmission mechanism is provided with branch, the branch is improved level and is provided with the clipboard, and the up end of base is provided with the recess, be provided with the writing pen in the recess.
Through adopting above-mentioned technical scheme, when the numerical value in the testing process needs to be recorded, take out the writing pen from the recess, can utilize clipboard and writing pen to record numerical value afterwards, consequently make the record of numerical value light more convenient.
The invention is further provided with: the clipboard package rubbing board body, the one end up end of plate body is provided with the roller frame, it is connected with the wind-up roll to rotate on the roller frame, it has writing paper to wind on the wind-up roll, the other end up end of plate body is provided with the support, it is used for compressing tightly to rotate on the support write the compression roller of paper.
Through adopting above-mentioned technical scheme, when the record numerical value, utilize the wind-up roll to put paper to writing, utilize the compression roller to compress tightly writing paper simultaneously, can carry out the record of numerical value on the position that writing paper expanded this moment. When numerical data need be stored, the writing paper is pulled to move outwards, meanwhile, the winding roller is used for unwinding the writing paper, and the writing paper is gradually wound down. And tearing off the writing paper until the position for recording the numerical value is positioned outside the press roller, so that the numerical value can be stored. Therefore, the writing paper is unreeled by the unreeling roller, and the number is recorded by the writing paper, so that the service life of the writing board is longer. And the writing paper can be torn off at will, so that the storage and the storage of the numerical value are more convenient.
The invention is further provided with: the support deviates from the one end level of wind-up roll is provided with the cutter, and the cutter with be provided with the confession between the plate body write the clearance that paper wore to establish.
Through adopting above-mentioned technical scheme, when the pulling write paper unreeled, write paper and slide along the clearance between cutter and the plate body to when tearing write paper, the pulling write paper upward movement, can realize writing neat cutting off and cutting off fast of paper, consequently make the process of tearing of writing paper light convenient more.
The invention is further provided with: the last rotation of roll rack is connected with the rubber roller, the rubber roller is located the place ahead of wind-up roll, and presses and move write paper and contradict the up end of plate body.
Through adopting above-mentioned technical scheme, hold writing paper through setting up the rubber roller pressure to utilize the cooperation of compression roller, make writing paper write the position smooth lay on the plate body, consequently make the process of record numerical value light more convenient.
In conclusion, the invention has the following beneficial effects:
1. by arranging a high-automation detection device and utilizing the light scattering principle, the continuous detection and the rapid detection of various aggregates are realized, the labor intensity of detection personnel is reduced, the detection efficiency is improved, and the effect of conveniently detecting various aggregates is achieved;
2. the intermittent transmission and the stable transmission of the tray are realized by the transmission mechanism which is simple in structure and stable in working process, so that the stable detection of the aggregate is realized;
3. the sliding frame which intermittently slides is matched with the bearing plate, so that the multiple trays are sequentially collected and stably stored, and the matching and analysis of the aggregate detection numerical values at the later stage are facilitated;
4. through establishing clipboard and pen, in time record the numerical value to make the record of numerical value more light convenient.
Drawings
FIG. 1 is a schematic structural view of an embodiment;
FIG. 2 is a schematic structural view of a detection box of the embodiment;
FIG. 3 is a schematic structural view of a transport mechanism of the embodiment;
FIG. 4 is a schematic view of the structure of the carriage of the embodiment;
fig. 5 is a schematic structural view of the tablet of the embodiment.
Reference numerals: 1. a detection box; 11. a laser; 12. a light screen; 13. a convex lens; 14. a slide hole; 15. a servo motor; 2. a transport mechanism; 21. a transmission rack; 22. a transfer roller; 23. a conveyor belt; 24. positioning blocks; 3. a tray; 31. a corner ear; 4. a base; 41. a groove; 42. a writing pen; 5. a gantry; 51. a drive aperture; 52. a locking hole; 6. a carriage; 61. a carrier plate; 7. a drive mechanism; 71. a drive rod; 72. a handle; 73. a locking plate; 8. a strut; 9. a writing board; 91. a plate body; 92. a roller frame; 93. a wind-up roll; 94. a rubber roller; 95. writing paper; 96. a support; 97. a compression roller; 98. a cutter; 99. a gap.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, the fineness detection device for concrete aggregate comprises a detection box 1, wherein a laser 11 is arranged on the top wall of the detection box 1, a light screen 12 is arranged on the bottom wall of the detection box 1, and a convex lens 13 positioned below the laser 11 is further arranged in the detection box 1.
As shown in fig. 1 and 2, a sliding hole 14 penetrates through a lower end side wall of the detection box 1, the sliding hole 14 is located between the convex lens 13 and the light screen 12, and a pair of transmission mechanisms 2 are horizontally arranged in the sliding hole 14. The pair of transmission mechanisms 2 are distributed on two sides of the sliding hole 14, and two ends of each transmission mechanism are located outside the detection box 1.
As shown in fig. 1 and 3, the transmission mechanism 2 includes a transmission frame 21, a transmission roller 22 is horizontally and rotationally connected to the transmission frame 21 at intervals, a transmission belt 23 is wound around an outer wall of the transmission roller 22, and a servo motor 15 for driving the transmission roller 22 to intermittently rotate is disposed on an outer wall of the detection box 1.
As shown in fig. 1 and 3, a plurality of transparent trays 3 are placed between the pair of conveyor belts 23 at intervals, and a pair of corner lugs 31 for placing on the conveyor belts 23 are provided on the outer walls of the trays 3. The transmission band 23 is provided with a plurality of sets of positioning blocks 24 at intervals, each set of positioning blocks 24 is used for clamping the side walls of two sides of the corner lug 31, and the plurality of trays 3 are intermittently slid into the detection box 1.
When the detection device is used, different aggregates are firstly flatly laid in the tray 3, then the tray 3 is placed between the pair of conveying belts 23, and the corner lugs 31 are embedded between each group of the positioning blocks 24. Then, the four-wheel motor is started to drive the transmission roller 22 to rotate, and at the moment, the transmission roller 22 drives the transmission belt 23 to move and intermittently transmit the materials to the detection box 1 through the plurality of trays 3.
When the first tray 3 moves into the detection box 1, monochromatic light emitted by the laser 11 is converted into parallel light by the convex lens 13, then the parallel light penetrates through the tray 3 and is projected onto the light screen 12, the size of aggregate particles is measured by the light scattering principle, and the fineness detection of the aggregate is realized.
And then, the conveying mechanism 2 is utilized to sequentially convey the plurality of trays 3 until the next tray 3 is conveyed into the detection box 1, and then the aggregate on the next tray 3 can be detected. And the continuous detection of various aggregates is realized by sequentially reciprocating.
As shown in fig. 1 and 4, the device further comprises a base 4 located behind the detection box 1, a portal frame 5 is arranged on the base 4, a sliding frame 6 is vertically and slidably connected to the portal frame 5, and a plurality of layers of bearing plates 61 are arranged on the sliding frame 6. The bearing plate 61 is used for communicating the output end position of the transmission mechanism 2, and the portal frame 5 is provided with a driving mechanism 7 for driving the sliding frame 6 to slide.
After the aggregate in the tray 3 is detected, the tray 3 slides towards the sliding frame 6, and the driving mechanism 7 is used for controlling the sliding frame 6 to slide downwards, so that the bearing plate 61 at the uppermost layer is communicated with the transmission mechanism 2. The detected tray 3 is separated from the transmission mechanism 2 gradually and slides to the bearing plate 61, so that the tray 3 is accommodated.
Utilize actuating mechanism 7 control carriage 6 and loading board 61 upward movement afterwards, after the next floor loading board 61 communicates transport mechanism 2, can bear and accomodate next tray 3, reciprocate in proper order, realize accomodating of all trays 3.
As shown in fig. 4, the driving mechanism 7 includes a driving rod 71 vertically disposed, and a driving hole 51 for vertically sliding the driving rod 71 penetrates through the gantry 5. The drive rod 71 is provided at its upper end with a handle 72 and at its lower end rotatably connected to the upper end surface of the carriage 6.
As shown in fig. 4, the outer wall of the driving rod 71 is provided with a plurality of locking plates 73, and the locking plates 73 are used for pressing the upper end surface of the gantry 5. A locking hole 52 which is communicated with the driving hole 51 and is used for the locking plate 73 to penetrate is penetrated through the portal frame 5, and the distance between two adjacent locking plates 73 is equal to the distance between two adjacent layers of bearing plates 61.
When the sliding frame 6 is driven to move, the handle 72 is pulled to drive the driving rod 71 to move upwards or downwards, and the driving rod 71 drives the sliding frame 6 to move synchronously. And when the driving rod 71 moves, the driving rod 71 will bring the locking plate 73 to move synchronously, and the locking plate 73 slides along the inner wall of the locking groove.
Because the distance between two adjacent locking plates 73 is equal to the distance between two adjacent layers of bearing plates 61, after the locking plates 73 move to the upper end face of the portal frame 5, the driving rod 71 is rotated, so that the locking plates 73 press the upper end face of the portal frame 5, the automatic positioning and the accurate positioning of the sliding seat and the bearing plates 61 can be realized, and meanwhile, the sliding seat 6 is fixed.
As shown in fig. 4, a supporting rod 8 is horizontally disposed at one end of the supporting plate 61 away from the transmission mechanism 2, a writing board 9 is horizontally disposed on the supporting rod 8, a groove 41 is disposed on the upper end surface of the base 4, and a writing pen 42 is disposed in the groove 41.
When tray 3 landing to bearing the weight of, take out writing pen 42 from recess 41, can utilize clipboard 9 and writing pen 42's cooperation afterwards, record the numerical value that detects, make things convenient for the data acquisition and the arrangement in later stage, avoid appearing chaotic phenomenon simultaneously.
As shown in fig. 5, the writing board 9 includes a board body 91, a roller frame 92 is disposed on an upper end face of one end of the board body 91, a winding roller 93 and a rubber roller 94 are rotatably connected to the roller frame 92, writing paper 95 is wound on the winding roller 93, and the rubber roller 94 is located in front of the winding roller 93.
As shown in fig. 5, a support 96 is disposed on the upper end surface of the other end of the board 91, a pressing roller 97 is rotatably connected to the support 96, and the pressing roller 97 is used for pressing the writing paper 95 against the upper end surface of the board 91.
As shown in fig. 5, a cutter 98 is horizontally disposed on the bracket 96, the cutter 98 is located behind the press roller 97, and a gap 99 for the writing paper 95 to pass through is disposed between the cutter 98 and the plate body 91.
When a numerical value is recorded, the winding roller 93 is used for placing the writing paper 95, and meanwhile, the writing paper 95 sequentially passes through the rubber roller 94, the pressing roller 97 and the gap 99 formed between the cutter 98 and the plate body 91 and then is flatly laid on the plate body 91, and then the numerical value can be recorded on the writing paper 95.
When numerical data needs to be stored, the writing paper 95 is pulled to move outwards, and at the moment, the winding roller 93 rotates and gradually winds down the writing paper 95, so that unwinding of the writing paper 95 is achieved. After the writing paper 95 for recording the numerical value is completely positioned outside the cutter 98, the writing paper 95 is pulled to move upwards, and then the cutter 98 can be used for cutting off the writing paper 95 orderly, so that the storage of numerical value data is realized.
The working principle is as follows: when detection device during operation, lay different aggregate tiling in tray 3, then utilize transport mechanism 2 to transmit a plurality of trays 3, make a plurality of trays 3 intermittent type nature transport to detection case 1 in. After the tray 3 moves into the detection box 1, monochromatic light emitted by the laser 11 is converted into parallel light by the convex lens 13, then the parallel light penetrates through the tray 3 and is projected onto the light screen 12, the size of aggregate particles is measured by utilizing the light scattering principle, and the fineness detection of the aggregate is realized. And then the plurality of trays 3 are conveyed by the conveying mechanism 2, so that the continuous detection of the plurality of aggregates on the plurality of trays 3 is realized.
The specific embodiments are only for explaining the present invention, and the present invention is not limited thereto, and those skilled in the art can make modifications without inventive contribution to the present embodiments as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (4)
1. The utility model provides a fineness detection device of concrete aggregate, includes detection case (1), its characterized in that: the top wall of the detection box (1) is provided with a laser (11), the bottom wall of the detection box is provided with a light screen (12), and a convex lens (13) positioned below the laser (11) is further arranged in the detection box (1);
a sliding hole (14) penetrates through the side wall of the lower end of the detection box (1), the sliding hole (14) is positioned between the convex lens (13) and the light screen (12), and a pair of transmission mechanisms (2) is horizontally arranged in the sliding hole (14);
the pair of transmission mechanisms (2) are distributed on two sides of the sliding hole (14), and two ends of each transmission mechanism are positioned outside the detection box (1);
a plurality of transparent trays (3) are arranged between the pair of conveying mechanisms (2) at intervals, and the plurality of trays (3) are intermittently slid into the detection box (1); the conveying mechanism (2) comprises a conveying frame (21), a conveying roller (22) is horizontally and rotationally connected to the conveying frame (21) at intervals, a conveying belt (23) is wound on the outer wall of the conveying roller (22), a servo motor (15) used for driving the conveying roller (22) to intermittently rotate is arranged on the outer wall of the detection box (1), and a pair of corner lugs (31) used for being placed on the conveying belt (23) is arranged on the outer wall of the tray (3); a plurality of groups of positioning blocks (24) are arranged on the conveying belt (23) at intervals, and each group of positioning blocks (24) is used for clamping the side walls of the two sides of the corner lug (31); the device also comprises a base (4), wherein the base (4) is positioned behind the detection box (1), a portal frame (5) is arranged on the base (4), a sliding frame (6) is vertically and slidably connected onto the portal frame (5), a plurality of layers of bearing plates (61) used for communicating the position of the output end of the transmission mechanism (2) are arranged on the sliding frame (6), and a driving mechanism (7) used for driving the sliding frame (6) to slide is arranged on the portal frame (5); the driving mechanism (7) comprises a driving rod (71) which is vertically arranged, a driving hole (51) for the driving rod (71) to vertically slide penetrates through the portal frame (5), a handle (72) is arranged at the upper end of the driving rod (71), and the lower end of the driving rod is rotatably connected to the upper end face of the sliding frame (6);
the outer wall of the driving rod (71) is provided with a plurality of locking plates (73) used for pressing the upper end face of the portal frame (5), locking holes (52) which are communicated with the driving holes (51) and are used for the locking plates (73) to penetrate through are formed in the portal frame (5), and the distance between every two adjacent locking plates (73) is equal to the distance between every two adjacent layers of the bearing plates (61); bearing board (61) deviate from the one end level of transmission device (2) is provided with branch (8), branch (8) are improved level and are provided with clipboard (9), and the up end of base (4) is provided with recess (41), be provided with writing pen (42) in recess (41).
2. The fineness detection apparatus of a concrete aggregate according to claim 1, characterized in that: clipboard (9) package rubbing board body (91), one end up end of plate body (91) is provided with roller frame (92), it is connected with wind-up roll (93) to rotate on roller frame (92), it has writing paper (95) to coil on wind-up roll (93), the other end up end of plate body (91) is provided with support (96), it is used for compressing tightly to rotate to be connected with on support (96) compression roller (97) of writing paper (95).
3. The fineness detecting device of a concrete aggregate according to claim 2, characterized in that: one end, deviating from the winding roller (93), of the support (96) is horizontally provided with a cutter (98), and a gap (99) for the writing paper (95) to penetrate is formed between the cutter (98) and the plate body (91).
4. The fineness detection apparatus of a concrete aggregate according to claim 3, characterized in that: the upper rotating roller frame (92) is connected with a rubber roller (94), the rubber roller (94) is located in front of the winding roller (93), and the writing paper (95) is pressed to abut against the upper end face of the plate body (91).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911293448.6A CN110879194B (en) | 2019-12-16 | 2019-12-16 | Fineness detection device of concrete aggregate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911293448.6A CN110879194B (en) | 2019-12-16 | 2019-12-16 | Fineness detection device of concrete aggregate |
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| CN110879194A CN110879194A (en) | 2020-03-13 |
| CN110879194B true CN110879194B (en) | 2022-08-23 |
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