CN213875387U - Emulsified asphalt slurry mixture cohesion force measuring equipment - Google Patents
Emulsified asphalt slurry mixture cohesion force measuring equipment Download PDFInfo
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- CN213875387U CN213875387U CN202021547605.XU CN202021547605U CN213875387U CN 213875387 U CN213875387 U CN 213875387U CN 202021547605 U CN202021547605 U CN 202021547605U CN 213875387 U CN213875387 U CN 213875387U
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Abstract
The equipment for measuring the cohesive force of the emulsified asphalt slurry mixture comprises a test board, wherein a sample bearing platform is arranged on the upper surface of the test board, a liftable pressure head is arranged right above the sample bearing platform, the pressure head is fixed at the lower end part of a transmission rod, the transmission rod is connected with a movable part of an air cylinder, and the upper end part of the transmission rod can be connected with a torque wrench; the air cylinder is connected with the air pump, an electromagnetic valve and a pressure gauge are arranged on a connecting air path of the air cylinder and the air pump, and the electromagnetic valve is connected with a switch for controlling the on-off air path of the electromagnetic valve. The utility model discloses simple structure, convenient operation is favorable to saving time, improves test efficiency, uses manpower sparingly. The automatic air pump of digital display intelligent control has been integrated, need not external air pump or inflater, and the instrument is light to atmospheric pressure when can accurate control experiment, the good reliability. A sample bearing platform is integrated with a No. 220 grinding wheel, so that calibration is convenient to carry out before a test, and No. 220 sand paper is not required to be prepared additionally.
Description
Technical Field
The utility model belongs to the technical field of road maintenance, concretely relates to emulsified asphalt slurry mixture cohesion measuring equipment.
Background
At present, the highway construction in China is changed from construction type to maintenance type, and the slurry seal is a pavement maintenance technology which is characterized in that a slurry mixture is prepared from emulsified asphalt, aggregate, filler, water and an additive according to a certain proportion, and the slurry mixture is paved on the original pavement by special equipment to achieve the purpose of quickly opening traffic. The slurry seal technology is an economic and environment-friendly maintenance technology, has high construction speed and can open traffic quickly. The purpose of the slurry mixture cohesion test is to determine the initial setting strength of the slurry mixture and determine the bearing capacity of open traffic, which is very critical for judging whether the open traffic can be carried out after the slurry mixture construction is finished.
The existing measuring test procedure for the cohesion of the emulsified asphalt slurry mixture is specified as follows: during the test, a pneumatic pressure head is pressed on the test piece, and the degree of the air pressure gauge is kept at 200 kPa. The existing tester for measuring the cohesive force of the emulsified asphalt slurry mixture generally has the following form of a pneumatic device: the air inlet is arranged on the tester, the tester is externally connected with the inflator or the air pump, required equipment is more, circuits are complex, the operation is complex, the air pressure is difficult to accurately control the numerical value required by the specification, and the measuring accuracy and the measuring efficiency are greatly influenced.
Disclosure of Invention
In order to overcome the defects existing in the prior art, the utility model provides an emulsified asphalt slurry mixture cohesion measuring device which improves the test efficiency, saves labor and has strong reliability.
The utility model adopts the technical proposal that:
the utility model provides an emulsified asphalt slurry mixture cohesion survey equipment, includes the testboard, its characterized in that: the upper surface of the test board is provided with a sample bearing platform, a liftable pressure head is arranged right above the sample bearing platform, the pressure head is fixed at the lower end part of a transmission rod, the transmission rod is connected with the movable part of the air cylinder, and the upper end part of the transmission rod can be connected with a torque wrench; the air cylinder is connected with the air pump, an electromagnetic valve and a pressure gauge are arranged on a connecting air path of the air cylinder and the air pump, and the electromagnetic valve is connected with a switch for controlling the on-off air path of the electromagnetic valve.
Further, the air pump is respectively connected with the pressure gauge and the electromagnetic valve through an air pressure regulating valve, and the air pressure regulating valve is connected with a control knob for controlling the air pressure. The air pressure at the drive rod can be adjusted by a control knob to achieve the pressure value required by the specification and can be used to release the air pressure after the test is finished.
Further, be provided with the installation shell on the testboard, air pump, cylinder, manometer, switch, control knob all fix on the installation shell, the cylinder is all installed in the installation shell with being connected gas circuit, solenoid valve, the air pressure regulating valve of air pump.
Further, the installation shell is fixedly installed on the test board through the two support rods.
Furthermore, the transmission rod is connected with the adjacent support rod through a connecting plate, and the connecting plate can be sleeved on the support rod along the support rod in a sliding manner. The bracing piece not only supports the installation shell, can also play the guide effect that the transfer line goes up and down.
Further, the rubber gasket is installed to the bottom of pressure head, and during the test, rubber gasket and test piece direct contact.
Furthermore, the sample bearing platform is of a circular structure, and the upper surface of the sample bearing platform is provided with a No. 220 grinding wheel, so that calibration is facilitated before a test, and No. 220 sand paper is not required to be prepared additionally.
Furthermore, the upper end of the transmission rod is provided with a hexagon bolt which can be connected with a torque wrench.
Further, the air pump is externally connected with a power supply.
The utility model has the advantages that:
1. simple structure, convenient operation is favorable to saving time, improves test efficiency, uses manpower sparingly.
2. The automatic air pump of digital display intelligent control has been integrated, need not external air pump or inflater, and the instrument is light to atmospheric pressure when can accurate control experiment, the good reliability.
3. A sample bearing platform is integrated with a No. 220 grinding wheel, so that calibration is convenient to carry out before a test, and No. 220 sand paper is not required to be prepared additionally.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic diagram of the test structure of the present invention.
Fig. 3 is a schematic view of the working process of the present invention.
Wherein in the figure: 1-test bench, 2-sample bearing bench, 3-grinding wheel, 4-support rod, 5-air pump, 6-pressure gauge, 7-switch, 8-control knob, 9-air cylinder, 10-drive rod, 11-pressure head, 12-rubber gasket, 13-hexagon bolt, 14-liquid crystal display screen and 15-key
Detailed Description
The present invention will be further described with reference to the following specific embodiments, but the present invention is not limited to these specific embodiments. It will be recognized by those skilled in the art that the present invention encompasses all alternatives, modifications, and equivalents as may be included within the scope of the claims.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Referring to fig. 1-3, this embodiment provides an improved emulsified asphalt slurry mixture cohesion determination device, including testboard 1, sample platform 2, bracing piece 4, air pump 5, manometer 6, air pressure regulating valve (not shown in the figure), switch 7, control knob 8, cylinder 9, transfer line 10, pressure head 11, rubber gasket 12, air pump 5 external power to connect respectively in manometer 6 and solenoid valve (not shown in the figure) through air pressure regulating valve, the solenoid valve is controlled by switch 7, and is connected with cylinder 9. The movable part of the cylinder 9 is connected with a transmission rod 10, the upper end of the transmission rod 10 is a hexagon bolt which can be connected with a torque wrench, the lower end part of the transmission rod is provided with a pressure head 11, and the lower part of the pressure head 11 is provided with a rubber gasket 12. The device has simple structure, is light as a whole, is simple to operate, can effectively improve the test determination efficiency, and saves time and labor.
Specifically, in this embodiment, a sample bearing table 2 is disposed on the upper surface of the test table 1, a pressure head 11 capable of lifting is disposed right above the sample bearing table 2, the pressure head 11 is fixed at the lower end of a transmission rod 10, the transmission rod 10 is connected with a movable portion of an air cylinder 9 and driven to lift by the air cylinder 9, a hexagon bolt 13 is disposed at the upper end of the transmission rod 10, and the hexagon bolt 13 can be connected with a torque wrench; the air cylinder 9 is connected with the air pump 5, an electromagnetic valve and a pressure gauge 6 are arranged on a connecting air path of the air cylinder 9 and the air pump 5, and the electromagnetic valve is connected with a switch 7 for controlling the on-off air path of the electromagnetic valve. The air pump 5 is respectively connected with the pressure gauge 6 and the electromagnetic valve through an air pressure adjusting valve, and the air pressure adjusting valve is connected with a control knob 8 for controlling the air pressure.
This embodiment be provided with the installation shell on the testboard 1, the installation shell passes through two bracing pieces 4 fixed mounting on testboard 1. Air pump 5, cylinder 9, manometer 6, switch 7, control knob 8 are all fixed on the installation shell, cylinder 9 and air pump 5's connection gas circuit, solenoid valve, air pressure regulating valve are all installed in the installation shell. The transmission rod 10 is connected with the adjacent support rod 4 through a connecting plate, and the connecting plate can be sleeved on the support rod 4 along the support rod 4 in a sliding manner. The support rod 4 not only supports the installation shell, but also can play a role in guiding the lifting of the transmission rod 10.
In this embodiment the testboard 1 is made by metal, has a circular sample platform 2 on, and the 2 upper surfaces of sample platform are number 220 emery wheel 3, are convenient for carry out the demarcation to the cohesion appearance before experimental, need not to prepare number 220 abrasive paper in addition.
This embodiment air pump 5 is digital display intelligent control air pump, goes up to have liquid crystal display 14 and button 15 such as "switch", "setting", and the stable loading of atmospheric pressure can be predetermine, need not external air pump or inflater for the instrument is light.
The pressure gauge 6 of the embodiment is 50QL-AD02, and is used for monitoring the air pressure at the position of the transmission rod 10 in real time, so as to monitor whether the air pressure in the test process meets the specification requirements in real time.
The air pressure regulating valve of the embodiment is SR200-08, is controlled by a control knob, is used for regulating the air pressure at the transmission rod 10 to reach the pressure value required by the specification, and can be used for releasing the air pressure after the test is finished.
The air cylinder 9 of the embodiment is a model MALD20X80, is a single-acting air cylinder, is controlled by an electromagnetic valve, and is connected with the transmission rod 10. The model of the electromagnetic valve is 4V210-08 and is used for controlling the on-off of the air path.
In this embodiment, the transmission rod 10 is connected to the cylinder 9, the upper end of the transmission rod is a hexagon bolt 13, and the lower end of the transmission rod is connected with the pressure head 11. During measurement, an inner hexagonal socket of the torque wrench is connected with a hexagonal bolt 13 at the upper end of the transmission rod 10.
The rubber gasket 12 is located at the lower part of the indenter 11 in this embodiment, and is in direct contact with the test piece during measurement.
During testing, the formed test piece is placed on the sample bearing platform 1. The power supply of the air pump 5 is switched on, high-pressure air is output by the air pump 5 and enters the electromagnetic valve through the air pressure regulating valve, and the air pressure entering the electromagnetic valve is controlled by the regulating knob 8 and is displayed on the pressure gauge 6; the gas output by the electromagnetic valve acts in the cylinder 9 and acts on the transmission rod 10 to press the pressure head 11 on the test piece, so that the air pressure acting on the test piece is kept at 200kPa required by the specification. Keeping the pressure unchanged, sleeving the torque wrench at the upper end of the transmission rod 10, and stably, firmly and horizontally twisting for 90-120 degrees within 0.7-1.0 second, and reading the reading of the torque wrench.
It should be noted that the above embodiments can be freely combined as necessary. The foregoing has been a detailed description of the preferred embodiments and principles of the present invention, and it will be apparent to those skilled in the art that variations may be made in the specific embodiments based on the concepts of the present invention, and such variations are considered as within the scope of the present invention.
Claims (9)
1. The utility model provides an emulsified asphalt slurry mixture cohesion survey equipment, includes the testboard, its characterized in that: the upper surface of the test board is provided with a sample bearing platform, a liftable pressure head is arranged right above the sample bearing platform, the pressure head is fixed at the lower end part of a transmission rod, the transmission rod is connected with the movable part of the air cylinder, and the upper end part of the transmission rod can be connected with a torque wrench; the air cylinder is connected with the air pump, an electromagnetic valve and a pressure gauge are arranged on a connecting air path of the air cylinder and the air pump, and the electromagnetic valve is connected with a switch for controlling the on-off air path of the electromagnetic valve.
2. The apparatus for determining the cohesion of an emulsified asphalt slurry mixture according to claim 1, wherein: the air pump is respectively connected with the pressure gauge and the electromagnetic valve through an air pressure regulating valve, and the air pressure regulating valve is connected with a control knob for controlling the air pressure.
3. The apparatus for determining the cohesion of an emulsified asphalt slurry mixture according to claim 2, wherein: the air pump, the air cylinder, the pressure gauge, the switch and the control knob are all fixed on the mounting shell, and the air cylinder and the air pump are connected through an air circuit, the electromagnetic valve and the air pressure regulating valve and are all mounted in the mounting shell.
4. The apparatus for determining the cohesion of an emulsified asphalt slurry mixture according to claim 3, wherein: the mounting shell is fixedly mounted on the test board through the two support rods.
5. The apparatus for determining the cohesion of an emulsified asphalt slurry mixture according to claim 4, wherein: the transmission rod is connected with the adjacent support rod through a connecting plate, and the connecting plate can be sleeved on the support rod along the support rod in a sliding mode.
6. The apparatus for determining the cohesion of an emulsified asphalt slurry mixture according to claim 1, wherein: the rubber gasket is installed to the bottom of pressure head, and during the test, rubber gasket and test piece direct contact.
7. The apparatus for determining the cohesion of an emulsified asphalt slurry mixture according to claim 1, wherein: the sample bearing table is of a circular structure, and the upper surface of the sample bearing table is provided with a No. 220 grinding wheel.
8. The apparatus for determining the cohesion of an emulsified asphalt slurry mixture according to claim 1, wherein: the upper end of the transmission rod is provided with a hexagon bolt which can be connected with a torque wrench.
9. The apparatus for determining the cohesion of an emulsified asphalt slurry mixture according to claim 1, wherein: the air pump is externally connected with a power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021547605.XU CN213875387U (en) | 2020-07-30 | 2020-07-30 | Emulsified asphalt slurry mixture cohesion force measuring equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021547605.XU CN213875387U (en) | 2020-07-30 | 2020-07-30 | Emulsified asphalt slurry mixture cohesion force measuring equipment |
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| CN213875387U true CN213875387U (en) | 2021-08-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115107165A (en) * | 2022-08-01 | 2022-09-27 | 顺裕（龙岩）混凝土有限公司 | Preparation process of concrete with high workability |
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2020
- 2020-07-30 CN CN202021547605.XU patent/CN213875387U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115107165A (en) * | 2022-08-01 | 2022-09-27 | 顺裕（龙岩）混凝土有限公司 | Preparation process of concrete with high workability |
| CN115107165B (en) * | 2022-08-01 | 2024-02-23 | 顺裕（龙岩）混凝土有限公司 | Preparation process of concrete with high workability |
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