CN214584687U - A device for measuring the flow time of fine aggregates - Google Patents
A device for measuring the flow time of fine aggregates Download PDFInfo
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- CN214584687U CN214584687U CN202120718555.5U CN202120718555U CN214584687U CN 214584687 U CN214584687 U CN 214584687U CN 202120718555 U CN202120718555 U CN 202120718555U CN 214584687 U CN214584687 U CN 214584687U
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- storage hopper
- test box
- flow time
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Abstract
本实用新型属于道路建筑材料测定装置技术领域，公开了一种细集料流动时间测定装置，包括试验箱，试验箱的顶板上开设有多个置物孔，每个置物孔内架设有储料斗，所述储料斗下端设有出料口；所述试验箱的底板上与出料口对应设置有接料仓；所述试验箱的相对侧板上分别对应设置有红外线发射器和红外线接收器；所述红外线接收器连接有计时器；所述红外线发射器与红外线接收器之间形成的光路经过每个储料斗的出料口的正下方。本实用新型解决了现有技术中的手动计时导致测量误差大的问题，同时，可以同时进行多组试验，大大提高测试效率。
The utility model belongs to the technical field of road building material measuring devices, and discloses a fine aggregate flow time measuring device, comprising a test box. A plurality of storage holes are provided on the top plate of the test box, and a storage hopper is set up in each of the storage holes. The lower end of the storage hopper is provided with a discharge port; the bottom plate of the test box is provided with a material receiving bin corresponding to the discharge port; the opposite side plates of the test box are respectively provided with an infrared transmitter and an infrared receiver; The infrared receiver is connected with a timer; the light path formed between the infrared transmitter and the infrared receiver passes right below the discharge port of each storage hopper. The utility model solves the problem of large measurement error caused by manual timing in the prior art, and at the same time, multiple groups of tests can be performed simultaneously, thereby greatly improving the test efficiency.
Description
Technical Field
The utility model relates to a road building material survey device technical field, concretely relates to flow time survey device gathers materials for a short time.
Background
Aggregate refers to aggregate that serves as a framework and a filler in the mixture, and includes crushed stone, gravel, machine-made sand, stone chips, sand, and the like. The aggregates are classified into coarse aggregates and fine aggregates according to their particle size, and coarse aggregates such as crushed stones and pebbles having a particle size of more than 4.75 mm and fine aggregates such as natural sands having a particle size of less than 4.75 mm are generally specified.
The aggregate edge angle performance is mainly characterized by the aggregate appearance and the surface roughness, and has great influence on the skeleton strength and the void ratio of the synthetic aggregate, so that the pavement performance of the mixture is influenced, and therefore, the aggregate edge angle performance is very important to evaluate. The current testing method for the angularity of fine aggregates is a flow time method adopted by road engineering aggregate test regulation JTGE 42-2005. The fine aggregate flow time tester selects different outflow caliber funnels according to different maximum grain sizes of the samples; weighing a certain sample, adding the sample into a hopper, opening a hopper switch, starting a stopwatch to time, stopping the stopwatch after the leakage of the sample is finished, and taking the time recorded by the stopwatch as the flowing time. However, the existing test methods are all manually mastered by holding stopwatches, and timing deviation often occurs during actual operation; in addition, the material receiving barrel of the fine aggregate flow time measuring instrument cannot be fixed on the base and is not easy to lose for a long time; and a sample needs to be subjected to 5 times of parallel tests, the next test can be carried out only by pouring the material in the material receiving barrel after the test is finished, and the test device has the advantages of large workload, long consumed time and low efficiency.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model aims to provide a thin flow time survey device that gathers materials has solved the problem that manual timing among the prior art leads to measuring error big, simultaneously, can carry out the multiunit simultaneously experimental, improves efficiency of software testing greatly.
In order to achieve the above purpose, the present invention adopts the following technical solution.
The device for measuring the flowing time of the fine aggregate comprises a test box, wherein a plurality of material placing holes are formed in a top plate of the test box, a storage hopper is erected in each material placing hole, and a discharge hole is formed in the lower end of each storage hopper; a material receiving bin is arranged on the bottom plate of the test box corresponding to the discharge port;
the opposite side plates of the test box are respectively and correspondingly provided with an infrared emitter and an infrared receiver; the infrared receiver is connected with a timer; and a light path formed between the infrared emitter and the infrared receiver passes through the right lower part of the discharge hole of each storage hopper.
The utility model discloses technical scheme's characteristics lie in with further improvement:
further, each storage hopper is correspondingly provided with a pair of infrared emitters and infrared receivers.
Further, the lower extreme of a plurality of storage hoppers is connected with the slide rail respectively, set up the discharge opening that corresponds with the discharge gate on the slide rail, be provided with the slider in the slide rail, the slider slides in the slide rail: and the sliding block is provided with a material leakage opening corresponding to the discharge hole.
Furthermore, a plurality of strip-shaped grooves corresponding to the storage hoppers are formed in the sliding block, and the discharge end of each storage hopper slides in the strip-shaped groove; and a material leakage port is formed in each strip-shaped groove.
Furthermore, a material taking slide rail is arranged on a bottom plate of the test box, a slide bar is arranged at the bottom end of the material receiving bin, and the slide bar slides along the material taking slide rail.
Furthermore, a plurality of partition plates are vertically arranged in the material receiving bin, the material receiving bin is divided into a plurality of material receiving chambers by the partition plates, and each material receiving chamber corresponds to one storage hopper.
(II) a fine aggregate flow time measuring device, which comprises a test box and a timer, wherein a top plate of the test box is provided with a plurality of object placing holes, a storage hopper is erected in each object placing hole, and the lower end of each storage hopper is provided with a discharge hole; a material receiving bin is arranged on the bottom plate of the test box corresponding to the discharge port; the timer is used for recording the material flowing time in the material storage hopper;
the lower ends of the storage hoppers are respectively connected with a slide rail, a discharge hole corresponding to the discharge hole is formed in the slide rail, a slide block is arranged in the slide rail, and the slide block slides in the slide rail; and the sliding block is provided with a material leakage opening corresponding to the discharge hole.
The utility model discloses technical scheme's characteristics lie in with further improvement:
furthermore, a plurality of strip-shaped grooves corresponding to the storage hoppers are formed in the sliding block, and the discharge end of each storage hopper slides in the strip-shaped groove; and a material leakage port is formed in each strip-shaped groove.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model discloses a timing error that traditional artifical timing brought has been avoided in infrared emitter and infrared receiver's setting, reduces artificial measuring error.
(2) The utility model discloses a multiunit is experimental can be carried out simultaneously in the setting of a plurality of storage hoppers, improves test efficiency greatly. Simultaneously, through the matching setting of slide rail and slider, make a plurality of storage hoppers can the ejection of compact simultaneously and stop the material simultaneously, even adopt artifical timing, also can once time by the experimental timing of multiunit, convenient and fast has avoided the experimental timing error of introducing of timing many times of multiunit.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic view of the overall structure of a fine aggregate flow time measuring apparatus according to an embodiment of the present invention;
fig. 2 is a schematic view of the overall structure of a fine aggregate flow time measuring apparatus according to another embodiment of the present invention;
FIG. 3 is an exploded view of FIG. 1;
fig. 4 is a separated view of the slide rail and the chute of the present invention;
fig. 5 is a bottom view of the slide rail of the present invention;
in the above figure, 1 test chamber; 101, placing an object hole; 2, a storage hopper; 3, receiving a material bin; 4 infrared ray emitter; 5 an infrared receiver; 6, a slide rail; 601 a discharge hole; 7, a sliding block; 701, a material leakage port; 702 an elongated groove.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to examples, but those skilled in the art will understand that the following examples are only for illustrating the present invention and should not be construed as limiting the scope of the present invention.
Referring to fig. 1-3, the utility model provides a fine aggregate flow time measuring device, which comprises a test box 1, wherein a plurality of material placing holes 101 are arranged on a top plate of the test box 1, a storage hopper 2 is erected in each material placing hole 101, and a discharge hole is arranged at the lower end of the storage hopper 2; a material receiving bin 3 is arranged on the bottom plate of the test box 1 corresponding to the discharge hole; the opposite side plates of the test box 1 are respectively and correspondingly provided with an infrared emitter 4 and an infrared receiver 5; the infrared receiver 5 is connected with a timer; the light path formed between the infrared emitter 4 and the infrared receiver 5 passes through the right lower part of the discharge hole of each storage hopper 2.
In the above embodiment, the test chamber 1 is used as a support frame, a plurality of storage holes 101 are formed in a top plate of the test chamber, one storage hopper 2 is erected in each storage hole 101, and a material to be tested is filled in each storage hopper 2, so that a plurality of groups of materials can be tested simultaneously. The timing process of this embodiment adopts infrared emitter 4, infrared receiver 5 and counter to constitute, and when the light path between infrared emitter 4 and the infrared receiver 5 was sheltered from by the material that awaits measuring of outflow in the storage hopper 2, the trigger timer began the timing, when the light path between the two communicates once more, stops the timing, and this kind of timing mode has improved the accuracy of timing greatly, has avoided artificial timing error.
Referring to fig. 1-3, according to one embodiment of the present invention, each storage hopper 2 is correspondingly provided with a pair of infrared emitter 4 and infrared receiver 5.
In the above embodiment, a timing device, i.e. a pair of infrared emitter 4, infrared receiver 5 and timer, is respectively disposed on each material to be measured in the storage hopper 2, and each material is independently timed.
Referring to fig. 4 and 5, according to an embodiment of the present invention, the lower ends of the storage hoppers 2 are respectively connected to a slide rail 6, the slide rail 6 is provided with a discharge hole 601 corresponding to the discharge port, a slide block 7 is arranged in the slide rail 6, and the slide block 7 slides in the slide rail 6; and the sliding block 7 is provided with a material leakage port 701 corresponding to the material discharge hole 601.
Referring to fig. 3-5, according to an embodiment of the present invention, the sliding block 7 is provided with a plurality of elongated grooves 702 corresponding to the plurality of storage hoppers 2, and the discharge end of each storage hopper 2 slides in the elongated groove 702; a material leakage port 701 is formed in each strip-shaped groove 702.
In the above embodiment, the lower ends of the storage hoppers 2 are connected through a slide rail 6, the upper surface of the slide rail 6 is a plane, the lower surface of the slide rail 6 is provided with a chute, the slide block 7 is inserted into the chute, and the slide rail 6 and the slide block 7 are respectively provided with the discharge hole 601 and the material leakage port 701 for allowing the material to flow out. When the material leakage port 701 on the sliding block 7 and the material discharge hole 601 on the sliding rail 6 are not overlapped with each other, the material in the storage hopper 2 cannot flow out; when the material leakage port 701 on the slide block 7 and the discharge hole 601 on the slide rail 6 are overlapped or overlapped, the material in the storage hopper 2 flows out from the material leakage port 701 through the discharge hole 601 and falls into the material receiving bin 3. This embodiment adopts a slide rail 6 and slider 7, can make the material ejection of compact simultaneously in a plurality of storage hoppers 2, saves test time, improves test efficiency.
Referring to fig. 1-2, according to the utility model discloses an embodiment, be provided with on the bottom plate of proof box 1 and get the material slide rail, the bottom that connects feed bin 3 has the draw runner, the draw runner slides along getting the material slide rail.
In the above embodiment, the material taking process after the test is finished and the operation is convenient due to the drawing type design of the material receiving bin 3.
According to the utility model discloses an embodiment, connect vertical a plurality of baffles that are provided with in the feed bin 3, a plurality of baffles will connect feed bin 3 to fall into a plurality of material receiving chambers, and every material receiving chamber corresponds a storage hopper 2.
In the above embodiment, every storage hopper 2 corresponds a material receiving chamber, can separately receive the material to the material of difference, and this device not only is applicable to the parallel multiunit experiment of same material like this, can also test the contrast to different types of material, enlarges the test range.
Referring to fig. 1-4, the device for measuring the flow time of fine aggregate provided by the present invention comprises a test box 1 and a timer, wherein a plurality of material placing holes 101 are formed on a top plate of the test box 1, a storage hopper 2 is erected in each material placing hole 101, and a discharge hole is formed at the lower end of the storage hopper 2; a material receiving bin 3 is arranged on the bottom plate of the test box 1 corresponding to the discharge hole; the timer is used for recording the material flow time in the storage hopper 2; the lower ends of the storage hoppers 2 are respectively connected with a slide rail 6, the slide rail 6 is provided with a discharge hole 601 corresponding to the discharge hole, a slide block 7 is arranged in the slide rail 6, and the slide block 7 slides in the slide rail 6; and the sliding block 7 is provided with a material leakage port 701 corresponding to the material discharge hole 601.
In the above embodiment, the test chamber 1 is used as a support frame, a plurality of storage holes 101 are formed in a top plate of the test chamber, one storage hopper 2 is erected in each storage hole 101, and a material to be tested is filled in each storage hopper 2, so that a plurality of groups of materials can be tested simultaneously. The lower ends of the storage hoppers 2 are connected through a sliding rail 6, the upper surface of the sliding rail 6 is a plane, the lower surface of the sliding rail 6 is provided with a sliding groove, a sliding block 7 is inserted into the sliding groove, and the sliding rail 6 and the sliding block 7 are respectively provided with a discharging hole 601 and a material leakage port 701 for enabling materials to flow out. When the material leakage port 701 on the sliding block 7 and the material discharge hole 601 on the sliding rail 6 are not overlapped with each other, the material in the storage hopper 2 cannot flow out; when the material leakage port 701 on the slide block 7 and the discharge hole 601 on the slide rail 6 are overlapped or overlapped, the material in the storage hopper 2 flows out from the material leakage port 701 through the discharge hole 601 and falls into the material receiving bin 3. This embodiment adopts a slide rail 6 and slider 7, can make the material ejection of compact simultaneously in a plurality of storage hoppers 2, stops the material simultaneously, even artifical timing, also can only carry out timing once, reduces the timing error of artifical timing in same group's experiment, improves test efficiency. In this embodiment, the sliding block 7 is provided with a plurality of strip-shaped grooves 702 corresponding to the plurality of storage hoppers 2, and the discharge end of each storage hopper 2 slides in the strip-shaped groove 702; a material leakage port 701 is formed in each strip-shaped groove 702, and the synchronism of the storage hoppers 2 is further guaranteed.
Although the invention has been described in detail in this specification with reference to specific embodiments and illustrative embodiments, it will be apparent to those skilled in the art that certain changes and modifications can be made therein without departing from the scope of the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120718555.5U CN214584687U (en) | 2021-04-09 | 2021-04-09 | A device for measuring the flow time of fine aggregates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120718555.5U CN214584687U (en) | 2021-04-09 | 2021-04-09 | A device for measuring the flow time of fine aggregates |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214584687U true CN214584687U (en) | 2021-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120718555.5U Expired - Fee Related CN214584687U (en) | 2021-04-09 | 2021-04-09 | A device for measuring the flow time of fine aggregates |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214584687U (en) |
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2021
- 2021-04-09 CN CN202120718555.5U patent/CN214584687U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211102 |
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| CF01 | Termination of patent right due to non-payment of annual fee |