CN211989612U - Portable aggregate grading screening device - Google Patents
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- CN211989612U CN211989612U CN202020202777.7U CN202020202777U CN211989612U CN 211989612 U CN211989612 U CN 211989612U CN 202020202777 U CN202020202777 U CN 202020202777U CN 211989612 U CN211989612 U CN 211989612U
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- 238000012216 screening Methods 0.000 title claims abstract description 43
- 238000012545 processing Methods 0.000 claims abstract description 12
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- 239000002245 particle Substances 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 238000007873 sieving Methods 0.000 description 4
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- 239000004567 concrete Substances 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
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- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012372 quality testing Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
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- 238000003908 quality control method Methods 0.000 description 1
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- 229910001220 stainless steel Inorganic materials 0.000 description 1
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Abstract
The utility model relates to a screening plant is joined in marriage to portable grade of gathering materials, the device include set sieve, weighing sensor and weight display. The nested sieve comprises a plurality of layers of sieve hoppers which are arranged layer by layer from top to bottom according to the sequence of sieve holes from large to small. The weight sensor is provided with a slide rail, the sieve hopper positioned at the lowermost layer is arranged on the slide rail in a sliding manner, and the weight sensor is used for converting the weight borne by the weight sensor into a digital signal. The weight display is electrically connected to the weight sensor and used for processing the digital signal and converting the digital signal into weight data. The device is convenient for install and transport, can experiment under all kinds of environment, and the weight measurement of gathering materials moreover to the experiment is comparatively accurate, and the accuracy of experiment is higher, has great engineering practical value.
Description
Technical Field
The utility model relates to a screening technical field that gathers materials especially relates to a screening plant is joined in marriage to portable grade of gathering materials.
Background
Aggregates (aggregates are also called as aggregates which are divided into coarse aggregates and fine aggregates and are one of main constituent materials of concrete) produced in a stone yard are generally stacked by taking aggregates with a certain specification in a certain particle size range as a unit, but the problem of unqualified specification materials is easily caused in the processing process, which is shown in that the variability of the particle composition of the aggregates is large, and the grading stability of pavement structure layers such as cement concrete, cement stabilized macadam base layers, asphalt mixtures and the like is seriously influenced. Particularly, asphalt pavements are very sensitive to mixture gradation (gradation refers to the distribution condition of particles with different particle diameters of aggregates), and gradation variation causes a series of early damages such as water seepage, cracking, oil flooding, loosening and the like.
At present, the screening device mainly adopts a laboratory to sample and screen aggregate raw materials, needs to take samples from a stone material processing field, a mixing building bin and the like respectively, and is brought back to the laboratory to carry out screening test, generally needs one or two days to output test results, is generally used for raw material sampling inspection evaluation, has lower process efficiency, is often later than the construction process, and belongs to post evaluation. In order to ensure that aggregate grading in the construction process is qualified and ensure the crushing quality of stones from the source, a portable aggregate grading screening device is needed to be developed so as to detect the material grading of aggregate processing fields and storage bins of a mixture mixing station in time, evaluate the grading variation condition on the construction site, adjust the grading in time and improve the pavement performance.
SUMMERY OF THE UTILITY MODEL
On the basis, it is necessary to provide a portable aggregate grading screening plant to above-mentioned technical problem, and the installation and the transportation of being convenient for can be tested under all kinds of environment, and the weight measurement of gathering materials moreover to the experiment is comparatively accurate, and the accuracy of experiment is higher, has great engineering practical value.
A portable aggregate grading screening device comprising:
the nested screen comprises a plurality of layers of screen buckets, and the screen buckets are arranged layer by layer from top to bottom according to the sequence of screen holes from large to small;
the weight sensor is provided with a slide rail, the sieve hopper positioned at the lowermost layer is arranged on the slide rail in a sliding manner, and the weight sensor is used for converting the weight loaded on the weight sensor into a digital signal; and
and the weight display is electrically connected with the weight sensor and used for processing the digital signal and converting the digital signal into weight data.
The technical solution is further explained below:
in one embodiment, double rows of rollers are arranged in the slide rail, each row of rollers is arranged along the length direction of the slide rail, the sieve hopper positioned at the lowest layer is arranged on the double rows of rollers in a sliding manner, a gap is formed between the double rows of rollers, a fixed block is arranged on one surface, facing the slide rail, of the sieve hopper at the lowest layer, and the fixed block is arranged in the gap.
In one embodiment, the bottom of the sieve hopper positioned at the lowest layer is provided with a sealing plate, the sieve hopper above the sieve hopper at the lowest layer comprises a sieve mesh, and the mesh of the sieve mesh is square holes.
In one embodiment, screens are arranged on the screen buckets, and two adjacent screen buckets are connected through the screens.
In one embodiment, the portable aggregate grading screening device further comprises a frame body, the frame body is hollow, the nesting sieve and the weight sensor are both arranged in the frame body, the frame body comprises a first side wall and a second side wall which are arranged oppositely, a sliding channel for the sieve hopper to slide is formed between the first side wall and the second side wall, the first side wall and the second side wall are respectively provided with a slide way, two sides of the sieve hopper are provided with slide bars matched with the slide ways, and the slide ways are arranged in parallel.
In one embodiment, the sieve hopper further comprises a handle, and the handle is arranged on the side part of the sieve hopper and used for pulling the sieve hopper to slide along the sliding channel.
In one embodiment, the frame body further comprises a top cover and a bottom plate, the top cover, the first side wall, the bottom plate and the second side wall sequentially enclose to form a frame structure, the weight sensor is arranged on the bottom plate, and a handle is arranged on the top cover and used for lifting the top cover.
In one embodiment, the frame further comprises supporting legs, and the supporting legs are arranged below the bottom plate.
In one embodiment, the portable aggregate grading screening device further comprises a lock, and the lock is arranged on the screening bucket and used for fixing the screening bucket in the frame.
In one embodiment, the weight sensor is disposed at a position close to the first sidewall and a position close to the second sidewall, and a data processor is disposed in the weight display and used for processing the digital signal.
Above-mentioned portable aggregate gradation screening plant has following beneficial effect at least:
the portable aggregate grading screening device provided by the embodiment comprises a set screen, a weight sensor and a weight display. The weight sensor can transmit the weight change of the aggregate in real time, and the weight display can display the mass value of the aggregate in real time. So, operating personnel can real-time recording the aggregate quality of sieving, and then calculate data such as surplus proportion of sieving. Through this device, can carry out material quality testing at sites such as building stones processing field or mix building stock bin, the on-the-spot test result that goes out fast need not to take the material sample back to the laboratory, is favorable to improving the detection efficiency to building material. In addition, the device is comparatively accurate to the laboratory glassware weight measurement, has great engineering practical value. In addition, this device simple structure is reasonable, can convenient installation, convenient transportation and carry.
Drawings
Fig. 1 is a schematic structural diagram of a portable aggregate grading screening device according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a sieve hopper according to an embodiment of the present invention.
Description of reference numerals:
100. sleeving a sieve; 110. a screen bucket; 111. a fixed block; 112. clamping; 113. screening a screen; 114. a handle; 200. a weight sensor; 300. a weight display; 400. a slide rail; 410. a roller; 500. a frame body; 510. a first side wall; 520. a second side wall; 530. a top cover; 540. a base plate; 550. a handle; 560. support the feet.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms other than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The embodiment provides a portable grading screening plant that gathers materials has and is convenient for install and transport, can experiment under all kinds of environment, and the weight measurement of gathering materials to the experiment is comparatively accurate moreover, and the accuracy of experiment is higher, has the advantage of great engineering practical value, will combine the figure to carry out the detailed description below.
In one embodiment, referring to fig. 1 and 2, a portable aggregate grading screening device includes a nest screen 100, a weight sensor 200, and a weight display 300. The nested screen 100 includes a plurality of layers of screen buckets 110, and the plurality of screen buckets 110 are arranged layer by layer from top to bottom according to the sequence of screen holes from large to small. The weight sensor 200 is provided with a slide rail 400, the sieve hopper 110 positioned at the lowermost layer is slidably arranged on the slide rail 400, and the weight sensor 200 is used for converting the weight loaded on the weight sensor 200 into a digital signal. The weight display 300 is electrically connected to the weight sensor 200, and is configured to process the digital signal and convert the digital signal into weight data.
In the portable aggregate grading and screening device provided by this embodiment, the weight sensor 200 can transmit the weight change of the aggregate in real time, and the weight display 300 can display the mass value of the aggregate in real time. So, operating personnel can real-time recording the aggregate quality of sieving, and then calculate data such as surplus proportion of sieving. Through this device, can carry out material quality testing at sites such as building stones processing field or mix building stock bin, the on-the-spot test result that goes out fast need not to take the material sample back to the laboratory, is favorable to improving the detection efficiency to building material. In addition, the device is comparatively accurate to the laboratory glassware weight measurement, has great engineering practical value. In addition, this device simple structure is reasonable, can convenient installation, convenient transportation and carry. Wherein, setting up of slide rail 400 is convenient to slide set sieve 100 into weight sensor 200 top, convenient and fast, labour saving and time saving. In order to ensure a long service life of the sieve hopper 110, the sieve hopper 110 may be made of stainless steel.
In one embodiment, referring to fig. 1, the portable aggregate grading screening device further includes a frame 500, the frame 500 is hollow, and the nesting sieve 100 and the weight sensor 200 are both disposed in the frame 500. Frame 500 includes first sidewall 510 and second sidewall 520 disposed opposite to each other, and first sidewall 510 and second sidewall 520 form a slide channel therebetween for sliding of sieve hopper 110. The frame 500 further includes a top cover 530 and a bottom plate 540, the weight sensor 200 is disposed on the bottom plate 540, the top cover 530, the first sidewall 510, the bottom plate 540 and the second sidewall 520 sequentially enclose to form a frame structure, and the top cover 530 is provided with a handle 550 for lifting the top cover 530. Further, the frame 500 further includes support legs 560, and the support legs 560 are disposed below the bottom plate 540. Universal wheels are also provided below the bottom plate 540. Thus, the device can flexibly move under the action of the universal wheels and can also be stably placed on a construction site under the supporting action of the supporting legs 560.
Further, in one embodiment, referring to fig. 1, a double row of rollers 410 is disposed in the sliding track 400, and each row of rollers 410 is disposed along the length direction of the sliding track 400. The sieve hopper 110 at the lowest layer is slidably arranged on the double rows of rollers 410, a gap is arranged between the double rows of rollers 410, a fixed block 111 is arranged on one surface of the sieve hopper 110 at the lowest layer facing the slide rail 400, and the fixed block 111 is arranged in the gap. Specifically, the slide rail 400 and the double-row rollers 410 disposed inside the slide rail 400 form a fluent strip structure. When the bottom surface of the lowermost screen bucket 110 slides on the double-row rollers 410, the fixing block 111 is inserted into the gap, so that derailment of the lowermost screen bucket 110 can be effectively prevented.
In one embodiment, referring to fig. 1, the two sifting hoppers 110 are provided with blocking positions 112, and two adjacent sifting hoppers 110 are connected by the blocking positions 112. Specifically, the blocking position 112 is disposed on a side of the sieve bucket 110, which is used for contacting with the sieve bucket 110 above the sieve bucket 110, so that when another sieve bucket 110 is placed above the sieve bucket 110, the bottom of the other sieve bucket 110 will be blocked into the blocking position 112 of the sieve bucket 110, so as to achieve stable installation of two adjacent sieve buckets 110, and the blocking position 112 may be a ring-shaped concave ring, which matches with the shape of the bottom of the sieve bucket 110. It is understood that the two adjacent upper and lower sieve buckets 110 may be fixed by bolts, buckles, and the like, and are not limited in this regard. Specifically, when the bottom surface of the lowest-layer sieve bucket 110 slides on the double-row rollers 410, the fixing block 111 is inserted into the gap, and the sieve bucket 110 above the lowest-layer sieve bucket 110 is also driven to move in the sliding process of the sliding rail 400, so that the whole sieve set 100 can slide into the frame 500 along the sliding channel, and the installation of the sieve set 100 in the frame 500 is realized. The portable aggregate grading screening device further comprises a lock (not shown), and the lock is arranged on the screening hopper 110. After the sieve bucket 110 is pushed into the frame 500, the lock is locked, so that the sieve bucket 110 can be stably fixed in the frame 500.
As another alternative, the first side wall 510 and the second side wall 520 are respectively provided with a slide rail (not shown), the two sides of the sieve bucket 110 are provided with slide bars (not shown) matching with the slide rails, and the slide rails 400 are arranged in parallel. That is, each layer of the sifter bucket 110 can slide into the space between the first sidewall 510 and the second sidewall 520 through the cooperation of the slide bar and the slide way, respectively, to realize the installation of the screen set 100 in the frame 500.
In one embodiment, referring to fig. 1 and 2, the screening bucket 110 further includes a pulling handle 114, and the pulling handle 114 is disposed at a side portion of the screening bucket 110 for pulling the screening bucket 110 to slide along the sliding channel. The bottom of the lowermost screen hopper 110 is a sealing plate for receiving the screened powder of aggregate. The other sieve hoppers 110 positioned above the lowest sieve hopper 110 are all provided with the sieve 113, and the execution standard of weaving the sieve 113 in China is GB/T5330-2003. The standard screen hole size adopts the GB/T10611 standard, and the screen hole of the screen 113 is a square hole. The hopper 110 has two forms, a fine aggregate screening hopper 110 and a coarse aggregate screening hopper 110, and the two forms of the hopper 110 are different in mesh size. Such as the data shown in the following table:
in one embodiment, referring to fig. 1, the weight sensor 200 is disposed near the first sidewall 510 and the weight sensor 200 is disposed near the second sidewall 520, respectively, and a data processor is disposed in the weight display 300 and is configured to process the digital signals. Specifically, weight sensor 200 carries a rail, a sieve hopper 110 above the rail, and aggregate within sieve hopper 110. Under the action of the gravity of the load-bearing objects, the elastic body in the weight sensor 200 deforms, the strain gauge bridge attached to the elastic body loses balance, an electric signal in direct proportion to the weight value is output, the linear amplifier in the weight sensor 200 amplifies the electric signal, the amplified electric signal is converted into a digital signal through the A/D converter, and the digital signal is transmitted to the data processor of the weight display 300. The digital signal is processed into a weight value by a data processor within the weight display 300 and the quantity data is displayed on a display screen of the data display.
The utility model discloses an experimental operation process does:
(1) taking out the sieve hoppers 110 at the construction site, selecting the sieve hoppers 110 with different sieve pore sizes to combine into a sleeve sieve 100 according to the size of aggregate and combining the sieve hoppers 110 with different sieve pore sizes according to the sieve pore sizesThe aperture of (2) is arranged from top to bottom, and each sieve hopper 110 is individually weighed. The weight of each sieve hopper 110 is sequentially denoted as x from top to bottom1、x2、……xiThe above data are displayed on the weight display 300 and can be recorded in the test table. Specifically, when the sieve hopper 110 is not placed on the weight sensor 200, the weight sensor 200 is only subjected to the gravity of the slide rail 400, and the weight display 300 records the weight of the slide rail 400; then, any one of the sieve hoppers 110 is placed on the slide rail 400, the weight display 300 records the total weight of the slide rail 400 and the sieve hopper 110, the data processor processes the data, only the difference value of the two data is output, namely, the weight of the sieve hopper 110 is directly output, but the weight of the slide rail 400 is not included, and similarly, the data output in the following steps does not include the weight of the slide rail 400;
(2) pushing the sleeve sieve 100 into the instrument by using the sliding rail 400, enabling the fixed block 111 of the sieve bucket 110 positioned at the lowest layer to be positioned between the two rows of pulleys, and locking the lock to enable the sieve bucket 110 to be fixed inside the frame body 500;
(3) the top cover 530 of the frame 500 is opened, the aggregate is placed on the uppermost sieve hopper 110, and the weight display 300 displays the total weight M of each sieve hopper 110 and the aggregate, so that the aggregate has a mass M0＝M-∑xi。
(4) Shaking the hopper 110 for about 1 minute to allow the aggregate to be sieved to different layers of the hopper 110 according to the size of the particle size; the sieve hopper 110 can be shaken manually or by a machine, and is not limited herein;
(5) after screening is finished, the sieve hoppers 110 are sequentially taken out from top to bottom, and after each sieve hopper 110 is taken out, the total weight of the rest sieve hoppers 110 and the aggregate is shown by the weight display 300, and a worker can record corresponding weight data y1、y2、……y(i-1)。
(6) The first layer of the sieve buckets 110 (i.e., the sieve buckets 110 at the uppermost layer counted from top to bottom) calculates the ratio of the remaining amount:
a first layer: mass of aggregate on the sieve is m1＝M-y1-x1(ii) a The reject ratio of the stage is
A second layer: mass m of aggregate on sieve2＝M-y2-(m1+x1)-x2(ii) a The reject ratio of the stage is
……
Layer i-1: mass m of aggregate on sieve(i-1)＝M-y(i-1)-∑m(i-2)-∑x(i-1)(ii) a The reject ratio of the stage is
I-th layer (lowermost screen 110): mass m of aggregate on sieve(i)＝y(i-1)-xi(ii) a The reject ratio of the stage is
(7) And respectively calculating the results of the sifting mass, the sub-counting sifting proportion, the accumulated sifting proportion, the passing percentage and the like of the standard aggregate according to the standard table of the test specification. Thus, the grading detection which is more accurate for aggregate is completed.
Through the portable screening plant that divides of gathering materials that this embodiment provided, can carry out material quality detection at building stones processing field or mix building storehouse of prepareeing materials scene, need not to take the material sample back to the laboratory, it is comparatively accurate to the measurement of laboratory article weight to on-the-spot quick testing result that goes out improves measurement of efficiency, can also guide the adjustment of the processing technology that gathers materials or purchase to advance the quality control before the storehouse outward, great engineering practical value has. In addition, the device has simple and reasonable structure, can be conveniently installed and combined, and is convenient to transport and carry.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A portable aggregate grading screening device, comprising:
the nested screen comprises a plurality of layers of screen buckets, and the screen buckets are arranged layer by layer from top to bottom according to the sequence of screen holes from large to small;
the weight sensor is provided with a slide rail, the sieve hopper positioned at the lowermost layer is arranged on the slide rail in a sliding manner, and the weight sensor is used for converting the weight loaded on the weight sensor into a digital signal; and
and the weight display is electrically connected with the weight sensor and used for processing the digital signal and converting the digital signal into weight data.
2. The portable aggregate grading screening device according to claim 1, wherein a double row of rollers is arranged in the slide rail, each row of rollers is arranged along the length direction of the slide rail, the screening bucket positioned at the lowest layer is slidably arranged on the double row of rollers, a gap is arranged between the double row of rollers, a fixed block is arranged on one surface of the screening bucket at the lowest layer facing the slide rail, and the fixed block is arranged in the gap.
3. The portable aggregate grading screening device of claim 1, wherein the bottom of the lowest layer of said screen bucket is a sealing plate, the screen bucket above the lowest layer of said screen bucket comprises a screen mesh, and the mesh of said screen mesh is square.
4. The portable aggregate grading screening device of claim 1, wherein screens are provided on the hoppers, and two adjacent hoppers are connected by the screens.
5. The portable aggregate grading screening device according to claim 1, further comprising a frame body, wherein the frame body is hollow, the nesting sieve and the weight sensor are both disposed in the frame body, the frame body comprises a first side wall and a second side wall which are oppositely disposed, a sliding channel for the sieve hopper to slide is formed between the first side wall and the second side wall, the first side wall and the second side wall are respectively provided with a slide way, two sides of the sieve hopper are provided with slide bars matched with the slide ways, and the slide ways and the slide rails are arranged in parallel.
6. A portable aggregate grading screening device according to claim 5, wherein said sieve hopper further comprises a handle provided at a side of said sieve hopper for pulling said sieve hopper to slide along said sliding channel.
7. The portable aggregate grading screening device of claim 5, wherein the frame further comprises a top cover and a bottom plate, the top cover, the first side wall, the bottom plate and the second side wall sequentially enclose a frame structure, the weight sensor is arranged on the bottom plate, and a handle is arranged on the top cover for lifting the top cover.
8. The portable aggregate grading screening device of claim 7, wherein said frame further comprises support feet, said support feet being disposed below said bottom plate.
9. A portable aggregate grading screening device according to claim 7, further comprising a lock provided on said hopper for securing the hopper within said frame.
10. A portable aggregate grading screening device according to claim 5, wherein said weight sensors are provided adjacent said first side wall and adjacent said second side wall respectively, and a data processor is provided within said weight display for processing said digital signals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020202777.7U CN211989612U (en) | 2020-02-24 | 2020-02-24 | Portable aggregate grading screening device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020202777.7U CN211989612U (en) | 2020-02-24 | 2020-02-24 | Portable aggregate grading screening device |
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| CN211989612U true CN211989612U (en) | 2020-11-24 |
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| CN202020202777.7U Active CN211989612U (en) | 2020-02-24 | 2020-02-24 | Portable aggregate grading screening device |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Portable aggregate grading and screening device Effective date of registration: 20231222 Granted publication date: 20201124 Pledgee: Bank of China Limited Guiping Branch Pledgor: GUANGXI YOUXIN MINING Co.,Ltd. Registration number: Y2023980073783 |
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