CN209803146U - Basket method test device - Google Patents
Basket method test device Download PDFInfo
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- CN209803146U CN209803146U CN201822119218.5U CN201822119218U CN209803146U CN 209803146 U CN209803146 U CN 209803146U CN 201822119218 U CN201822119218 U CN 201822119218U CN 209803146 U CN209803146 U CN 209803146U
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- basket
- water tank
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- test device
- water
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Abstract
The utility model particularly relates to a basket method test device, which comprises an electronic balance, a support, a basket, an overflow water tank and a PLC, wherein the electronic balance is positioned above the support, the basket is suspended below the electronic balance through a hook, a lifting mechanism controlled by the PLC is also arranged in the overflow water tank, and the lifting mechanism is positioned below the basket and used for lifting or rotating the basket 3; a control panel is arranged below the overflow water tank and connected with a PLC, and a button and a display screen are arranged on the control panel. The net basket can be freely lifted in the overflow water tank, and the sample is convenient to take and place; the water temperature in the overflow water tank can be dynamically controlled, and a constant water temperature is maintained; the test device is simple to operate and convenient to use, time is greatly saved, and the test environment is improved.
Description
Technical Field
The utility model belongs to the technical field of the laboratory glassware equipment of road material, a basket method test device is related to.
Background
In recent years, with the continuous increase of the traffic volume of China, the requirement on the road performance is higher and higher. Compared with cement concrete pavements, asphalt pavements are widely applied to high-grade highway construction due to the advantages of smooth surface, no joint, comfortable driving, short construction period, simple and convenient maintenance, reutilization and the like. Therefore, tests for the performance study of asphalt pavements are also increasingly frequent and important. A set of high-efficiency and high-precision test device plays a crucial role in quickly and accurately producing results in performance research.
The density tests of compacted asphalt mixtures and aggregates in the current laboratory all use a basket-method test device. The relative density of the bulk volume and the bulk density measured by the test method are suitable for calculating various volume indexes such as the void ratio, the mineral aggregate clearance ratio and the like of the asphalt mixed test piece.
The basket of the existing basket method test device is suspended below the water surface of the overflow water tank, so that the sample is not easy to take and place. After the underwater quality of the aggregate is measured, the surface moisture of the aggregate needs to be sucked dry, wherein the moisture on the surface of the fine coarse aggregate (2.36-4.75 mm) cannot be quickly wiped dry when the moisture on the surface of the particle is wiped dry due to the small particle size.
SUMMERY OF THE UTILITY MODEL
in order to overcome the defects existing in the prior art, the utility model aims to provide a basket method test device, the basket is liftable, and convenient to use has saved the time greatly, has improved experimental environment.
the utility model discloses a realize through following technical scheme:
A test device for a basket method comprises an electronic balance, a support, a basket, an overflow water tank and a PLC (programmable logic controller), wherein the electronic balance is positioned above the support, the basket is suspended below the electronic balance through a hook, a lifting mechanism controlled by the PLC is further arranged in the overflow water tank, and the lifting mechanism is positioned below the basket and used for lifting or rotating the basket;
The overflow water tank is provided with a base below, the PLC is arranged in the base, the base is provided with a control panel, the control panel is connected with the PLC, and the control panel is provided with a button and a display screen.
Further, elevating system includes lift axle and tray, and the tray is located the lift axle top.
further, the tray is a disc with holes.
Furthermore, the lifting shaft is connected with the PLC through a stepping motor and a servo motor, the stepping motor is used for driving the lifting shaft to lift, and the servo motor is used for driving the lifting shaft to rotate.
Further, the buttons include an up button, a down button, and a rotation button.
Furthermore, the number of the rotating buttons is two, and the rotating buttons correspond to different rotating speeds of the lifting shaft.
furthermore, the basket includes puts thing dish, connecting rod and rings, and the connecting rod is fixed to be set up in the both sides of putting the thing dish, is equipped with the slip on the connecting rod and keeps off the silk and fix and keep off the silk, and the both ends of rings are connected with the connecting rod through the slip fender silk.
Further, a temperature sensor is arranged in the overflow water tank and connected with the PLC.
Furthermore, a water inlet and a water outlet are arranged on one side of the overflow water tank, the water inlet is positioned below the overflow water tank, and the water outlet is positioned above the overflow water tank.
Furthermore, inductive switches are arranged on the water inlet and the water outlet and are connected with the PLC, and the water inlet and the water outlet are connected with a temperature control water tank through the inductive switches.
compared with the prior art, the utility model discloses following profitable technological effect has:
The utility model discloses a basket method test device, which comprises an electronic balance, a bracket, a basket, an overflow water tank and a PLC, wherein a lifting mechanism controlled by the PLC is arranged in the overflow water tank, and the lifting mechanism is positioned below the basket and used for lifting or rotating the basket; a control panel is arranged below the overflow water tank and connected with a PLC, and a button and a display screen are arranged on the control panel. Through operating button for elevating system goes up and down or rotates, and then drives the lift or the rotation of basket, and the basket liftable makes things convenient for getting of assay to put, and the basket is rotatable, can get away the moisture on the surface of gathering materials, practices thrift and wipes the time that dry surface moisture got the surface quality of weighing.
Further, elevating system includes lift axle and tray, and the motion of tray is driven to the lift axle, and then supports the basket that is located the tray top.
Furthermore, the lifting shaft is connected with the PLC through a stepping motor and a servo motor, the stepping motor is used for driving the lifting shaft to lift, and the servo motor is used for driving the lifting shaft to rotate. PLC drive step motor drives the lift of lift axle, and PLC drive servo motor is rotatory to drive the rotation of lift axle, utilizes ripe PLC technique just can realize the lift and the rotation of basket, easy operation, easy control.
Furthermore, a temperature sensor is arranged in the overflow water tank, the temperature sensor sends the measured temperature to the PLC, the temperature value is displayed on a display screen, and a user can directly see the current temperature of the overflow water tank conveniently.
Furthermore, a water inlet and a water outlet are arranged on one side of the overflow water tank, so that the liquid level of the overflow water tank can be automatically adjusted, a constant liquid level is maintained, the water inlet of the overflow water tank is arranged below, and the water outlet of the overflow water tank is arranged above.
Furthermore, the water inlet and the water outlet are connected with a temperature control water tank through inductive switches, and water overflowing from the water outlet can be recovered to the temperature control water tank, so that the water can be recycled. When the real-time water temperature displayed by the display screen is different from the set water temperature, the temperature control water tank automatically injects high-temperature water or low-temperature water into the overflow water tank through the water inlet, so that the temperature can be adjusted automatically. The experimental regulation of aggregate specifies that when the mass of the aggregate in water is weighed, the water temperature is controlled to be 15-25 ℃, and the accuracy of the experiment can be improved after the function of temperature control regulation is added.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the basket structure of the present invention;
fig. 3 is a schematic structural diagram of the lifting mechanism of the present invention.
Wherein: the device comprises an electronic balance 1, a support 2, a basket 3, a sliding retaining wire 4, a fixed retaining wire 5, a sample 6, an overflow water tank 7, a water outlet 8, a tray 9, a lifting shaft 10, a water inlet 11, a control panel 12, a button 13 and a display screen 14.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings:
As shown in fig. 1, the basket method test device comprises an electronic balance 1, a support 2, a basket 3, an overflow water tank 7 and a PLC, wherein the electronic balance 1 is positioned above the support 2, the basket 3 is suspended below the electronic balance 1 through a hook, a lifting mechanism controlled by the PLC is further arranged in the overflow water tank 7, and the lifting mechanism is positioned below the basket 3 and used for lifting or rotating the basket 3; a base is arranged below the overflow water tank 7, the PLC is arranged in the base, a control panel 12 is arranged on the base, the control panel 12 is connected with the PLC, and a button 13 and a display screen 14 are arranged on the control panel 12.
The lifting mechanism comprises a lifting shaft 10 and a tray 9, and the tray 9 is positioned at the top end of the lifting shaft 10. The tray 9 is a disc with holes, which is convenient for draining water. The lifting shaft 10 is connected with the PLC through a stepping motor and a servo motor, the stepping motor is used for driving the lifting shaft 10 to lift, and the servo motor is used for driving the lifting shaft 10 to rotate.
The lifting mechanism may be a simple lifting shaft 10 other than the above-described structure, and may be any mechanism as long as it can lift the basket 3.
As shown in fig. 2, the basket 3 includes a tray, a connecting rod and a hanging ring, the connecting rod is fixedly disposed on two sides of the tray, a sliding retaining wire 4 and a fixed retaining wire 5 are disposed on the connecting rod, and two ends of the hanging ring are connected with the connecting rod through the sliding retaining wire 4. The sliding wire blocking 4 can lift the basket 3, the basket 3 can freely slide on the lifting basket 3 rod through the sliding wire blocking 4, and the basket 3 is separated from the fixed wire blocking 5 when the lifting is prevented, so that the blocking effect is achieved.
A water inlet 11 and a water outlet 8 are arranged on one side of the overflow water tank 7, the water inlet 11 is positioned below, and the water outlet 8 is positioned above. The water inlet 11 and the water outlet 8 are provided with inductive switches, the inductive switches are connected with the PLC, and the water inlet 11 and the water outlet 8 are connected with a temperature control water tank through the inductive switches.
A temperature sensor is arranged in the overflow water tank 7 and is connected with the PLC. After temperature sensor sends the temperature value that records for PLC, show on display screen 14, can let the user directly see present temperature parameter, if the temperature is not conform to the requirement of setting for, the user can carry out temperature regulation, perhaps opens through PLC control inductive switch, adjusts the temperature in overflow water tank 7 through the temperature-controlled water tank.
The utility model discloses a control by temperature change water tank realizes the automatic control of 7 temperatures of overflow water tank, is connected with the control by temperature change water tank through water inlet 11 and delivery port 8 of overflow water tank 7. The water overflowing from the water outlet 8 can be recycled to the temperature control water tank, so that the water can be recycled. When the real-time water temperature displayed by the display screen 14 is different from the set water temperature, the temperature control water tank automatically injects high-temperature water or low-temperature water into the overflow water tank 7 through the water inlet 11.
the control panel 12 is composed of two parts, a button 13 and a display 14. A temperature sensor is placed in the overflow tank 7 and the temperature of the water in the overflow tank 7 is displayed on the display 14. The button 13 is used for controlling the lifting shaft 10 and comprises four buttons of turning on and off, lifting, descending and rotating. The display 14 can display the real-time water temperature and the set water temperature of the overflow water tank 7 and the rotating speed of the lifting shaft 10.
The number of the rotation buttons is two, corresponding to different rotation speeds of the elevation shaft 10. The first rotation speed is to realize the temperature convection of water when heating the water temperature, avoid the temperature unevenness everywhere of the overflow water tank 7, and accomplish the accurate control of water temperature. The second rotation speed is the time for slightly drying the moisture on the surface of the aggregate when the lifting shaft 10 rises to take out the coarse aggregate, so that the moisture on the surface is dried, and the surface dry mass is weighed.
The utility model discloses a basket 3 can freely go up and down, through controlling button 13, accomplishes the rising or the decline of lift axle 10. When the lifting shaft 10 rises, the lifting basket 3 is lifted by the tray 9 with holes to rise above the liquid level; when the lifting shaft 10 descends, the net basket 3 also descends until the supporting force of the lifting shaft 10 is completely lost and the net basket is suspended in the water.
When the electronic balance is used, the starting and descending buttons in the button 13 are turned on, and the electronic balance 1 is zeroed after the net basket 3 is suspended in water stably; and (3) opening a lifting button, lifting the basket 3, putting the sample 6 on the chassis of the basket 3 after the basket 3 is separated from the water surface, and putting down the basket 3 to be suspended in the water again. After a certain time, reading data on the electronic balance 1, and turning on a rising button; opening the second rotating speed of the lifting shaft 10, and slightly drying the moisture on the surface of the coarse aggregate; after the basket 3 is separated from the water surface, taking out the sample 6; water with a certain temperature is automatically injected into the overflow water tank 7 from the temperature control water tank through the water inlet 11 for water quantity supplement and water temperature regulation, and water adding is stopped after water overflows from the water outlet 8; and putting the sample 6 to be tested on the chassis of the basket 3, and opening the descending button until the chassis of the basket 3 is separated from the tray 9, so that the basket 3 is suspended in the water again. The operation was repeated until the end of the test.
And (3) connecting the overflow water tank 7 to a temperature control water tank through a water outlet 8 and a water inlet 11, adding the water temperature required by the test into the overflow water tank 7, and adding a proper amount of water into the temperature control water tank. A temperature is set on the overflow water tank 7, and when the real-time water temperature displayed by the display screen 14 is different from the set water temperature, the temperature control water tank automatically adjusts the high-temperature water or the low-temperature water to the overflow water tank 7. When the water temperature is adjusted, the first rotation speed of the lifting shaft 10 is turned on, so that the water temperature control time can be shortened.
Claims (8)
1. The test device for the basket method is characterized by comprising an electronic balance (1), a support (2), a basket (3), an overflow water tank (7) and a PLC (programmable logic controller), wherein the electronic balance (1) is positioned above the support (2), the basket (3) is suspended below the electronic balance (1) through a hook, a lifting mechanism controlled by the PLC is further arranged in the overflow water tank (7), and the lifting mechanism is positioned below the basket (3) and used for lifting or rotating the basket (3);
A base is arranged below the overflow water tank (7), the PLC is arranged in the base, a control panel (12) is arranged on the base, the control panel (12) is connected with the PLC, and a button (13) and a display screen (14) are arranged on the control panel (12);
A water inlet (11) and a water outlet (8) are arranged on one side of the overflow water tank (7), the water inlet (11) is positioned below, and the water outlet (8) is positioned above;
The water inlet (11) and the water outlet (8) are provided with inductive switches, the inductive switches are connected with the PLC, and the water inlet (11) and the water outlet (8) are connected with a temperature control water tank through the inductive switches.
2. The test device of the basket method according to claim 1, wherein the lifting mechanism comprises a lifting shaft (10) and a tray (9), and the tray (9) is positioned at the top end of the lifting shaft (10).
3. A test device according to claim 2, characterized in that the tray (9) is a perforated disc.
4. The test device of the basket method according to claim 2, wherein the elevation shaft (10) is connected with the PLC through a stepping motor for driving elevation of the elevation shaft (10) and a servo motor for driving rotation of the elevation shaft (10).
5. The test device of the basket method according to claim 1, wherein the button (13) comprises an up button, a down button and a rotate button.
6. the test device of the basket method according to claim 5, wherein the number of the rotation buttons is two, corresponding to different rotation speeds of the elevating shaft (10).
7. The test device for the basket method according to claim 1, wherein the basket (3) comprises a placing disc, a connecting rod and a hanging ring, the connecting rod is fixedly arranged on two sides of the placing disc, a sliding retaining wire (4) and a fixed retaining wire (5) are arranged on the connecting rod, and two ends of the hanging ring are connected with the connecting rod through the sliding retaining wires (4).
8. The test device of the basket method according to claim 1, wherein a temperature sensor is arranged in the overflow water tank (7), and the temperature sensor is connected with a PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822119218.5U CN209803146U (en) | 2018-12-17 | 2018-12-17 | Basket method test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822119218.5U CN209803146U (en) | 2018-12-17 | 2018-12-17 | Basket method test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209803146U true CN209803146U (en) | 2019-12-17 |
Family
ID=68817413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822119218.5U Expired - Fee Related CN209803146U (en) | 2018-12-17 | 2018-12-17 | Basket method test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209803146U (en) |
-
2018
- 2018-12-17 CN CN201822119218.5U patent/CN209803146U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191217 Termination date: 20201217 |
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| CF01 | Termination of patent right due to non-payment of annual fee |