CN210375898U - Indoor vibration forming device for asphalt mixture - Google Patents
Indoor vibration forming device for asphalt mixture Download PDFInfo
- Publication number
- CN210375898U CN210375898U CN201921091599.9U CN201921091599U CN210375898U CN 210375898 U CN210375898 U CN 210375898U CN 201921091599 U CN201921091599 U CN 201921091599U CN 210375898 U CN210375898 U CN 210375898U
- Authority
- CN
- China
- Prior art keywords
- test
- indoor
- thermostatic chamber
- asphalt mixture
- speed changer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to a highway pitch test equipment technical field discloses an indoor vibration forming device of bituminous mixture, and its structure includes that a thermostatic chamber and test host constitute, and the thermostatic chamber comprises shell, heat preservation, thermostatic chamber door and electric heater, and the heat preservation is inlayed to the thermostatic chamber inner wall, indoor temperature measurement sensor that sets up. The indoor test main machine consists of a hydraulic jack, a deformation measuring device, a test wheel, a test bed and a speed changer. The hydraulic jack provides downward load for the test wheel; detecting the deformation of the test piece by a deformation measuring device; the test wheel is arranged on the test wheel bracket through a metal shaft; the panel on the test bench can lateral shifting, is connected with the derailleur through hinged-support and crank connecting rod: the lower part of the test bed is provided with a pneumatic vibrator with a settable frequency for vibrating the test bed. The display window can control parameters such as vibration frequency, ambient temperature and load.
Description
Technical Field
The utility model belongs to the technical field of highway pitch test equipment technique and specifically relates to a bituminous mixture indoor vibration forming device is related to, concretely relates to carry out vibration combined action's test piece forming device when using tire to roll the test piece.
Background
In highway construction, when the road roller carries out road surface construction, the vibration compaction matches with static pressure, uses more in the road bed construction. The static pressure of the press machine is used for leveling and compacting faces, the vibration compaction is used for improving compaction, the density of the road surface is effectively improved, and the press machine is suitable for compacting various asphalt concretes and is widely applied.
However, in the indoor asphalt test piece forming test technology, a common rut tester or a compaction tester cannot simulate vibration compaction forming of a road in highway construction, so that the difference between an indoor test and a construction site is large, performance deviation can be generated, and road construction can be influenced.
Disclosure of Invention
In order to simulate the vibration compaction shaping in the work progress, the utility model provides an indoor vibration forming device of bituminous mixture. The utility model discloses a press close to the job site, provide vibration effect and tire and roll and carry out the test piece shaping, and the heat insulating ability is good, can satisfy the detection under the different temperatures, is favorable to strengthening the referenceable degree of experiment to improve engineering quality.
In order to achieve the above object, the utility model provides a following technical scheme:
an indoor vibration forming device for asphalt mixture comprises a test host and a thermostat, wherein the test host is arranged in the thermostat; the test host consists of a hydraulic jack 6, a deformation measuring device 7, a test wheel bracket 3, a test wheel 2, a test bed 14, a speed changer 10 and a pneumatic vibrator 15; the hydraulic jack 6 controls the loading and lifting of the test wheel; the deformation measuring device 7 is arranged on the hydraulic jack, fixed by screws, penetrates through the lower lifting baffle 5 and is not fixed; the test wheel bracket 3 is provided with two bearing holes of the test wheel 2 and is coaxial; the test bed 14 has a slidable faceplate that is connected to the variator 10 via a hinge support 13 and a crank link 12 to reduce vibration to the rod.
And a pneumatic vibrator 15 is arranged at the bottom of the test bed 14 and fixed on the bottom plate by screws, and the amplitude and the frequency of the vibrator can be regulated and controlled.
A flat plate capable of sliding transversely is arranged on the test bed 14 and connected with the speed changer 10 through a hinged support 13, and the speed changer 10 drives the flat plate to move at a speed.
Compared with the prior art, the beneficial effects of the utility model are that: the equipment adopts the pneumatic vibrator to provide vibration capable of being adjusted and controlled, adopts the hydraulic jack to provide downward pressure, adopts the transmission to provide transverse tension, simulates the vibration compaction forming condition of a construction compaction vehicle on a road when the road construction is realized, and can form test pieces under different temperature conditions. The device is convenient to operate, improves the accuracy of the experiment, and is favorable for improving the engineering quality.
Drawings
Fig. 1 is a schematic structural view of the present invention;
in the figure: 1-a test piece; 2-test wheel; 3-a test wheel support; 4-upright post; 5, lifting a baffle plate; 6-hydraulic jack; 7-a deformation measuring device; 8-a constant temperature box; 9-a heat-insulating layer; 10-a transmission;
11-a temperature measuring sensor; 12-a crank link; 13-hinged support; 14-test stand; 15-pneumatic vibrator.
Fig. 2 is a front view of the present invention;
in the figure: 16-an air inlet; 17-a housing; 18-thermostatic chamber door; 19-air outlet; 20-a display window; 21-electric heater.
Detailed Description
The following description will be further described with reference to the accompanying drawings in the embodiments of the present invention.
As shown in figure 1, the utility model relates to an indoor vibration forming device of bituminous mixture, which comprises a thermostatic chamber 8 and a test host. Thermostatic chamber 8 comprises shell 17, heat preservation 9, thermostatic chamber door 18, temperature sensor 11 and electric heater 21, and thermostatic chamber door 8 is equipped with observation window, thermostatic chamber 8 inner wall inlays heat preservation 9, the indoor temperature sensor 11 that sets up. The indoor test device consists of a hydraulic jack 6, a deformation measuring device 7, a test wheel 2, a test bed 14, a speed changer 10 and a pneumatic vibrator 15; the hydraulic jack 6 controls the lifting power of the test wheel 2; the deformation measuring device 7 is arranged on the hydraulic jack 6, fixed by screws and penetrates through the lower lifting baffle 5; the test wheel 2 is arranged on the test wheel bracket 3 through a metal shaft; a slidable panel is arranged on the test bed 14 and is connected with the speed changer 10 through a hinged support 13 and a crank connecting rod 12, and the speed changer 10 drives the panel to move transversely; the lower part of the test bed 14 is provided with a pneumatic vibrator 15 which provides vibration for the test bed 14, and a display window 20 can control parameters such as vibration, load and the like.
The utility model discloses a theory of operation: when the asphalt mixture test piece is rolled and vibrated to be formed, firstly, the thermostatic chamber door 18 is opened, the test piece 1 is placed on the test bed 14, the hydraulic jack 6 is controlled to descend by using a control switch of the display window 20 until the bottom of the test wheel 2 contacts the surface of the test piece 1, then, the environmental temperature is set at the display window 20, the thermostatic chamber starts to automatically rise in temperature, and after the set temperature is reached, the heating is stopped and the temperature in the thermostatic chamber is kept. The load, rate, vibration frequency and operation time are set with the keys of the display window 20. The start switch is turned on, the equipment starts to work, and the crank connecting rod 12 of the speed changer 10 pulls the test stand to move transversely in a displacement interval, and the operation is repeated. The test wheel 2 rolls the test piece 1 under a set load, the pneumatic vibrator 15 at the bottom of the test bed 14 vibrates at a set frequency, and the test piece is formed under the action of vibration rolling. When the set time is up, the equipment automatically stops, the deformation measuring device 7 automatically detects the deformation condition of the test piece and displays the deformation condition on the display window 20, the test piece is observed and the experimental data is recorded, and finally the test piece 1 is taken out.
Claims (4)
1. An indoor vibration forming device for asphalt mixture comprises a constant temperature box (8) and a test host, and is characterized in that the test host is arranged in the constant temperature box and consists of a hydraulic jack (6), a deformation measuring device (7), a test wheel bracket (3), a test wheel (2), a test bed (14), a pneumatic vibrator (15) and a speed changer (10); the deformation measuring device (7) is arranged on the hydraulic jack (6), fixed by screws, penetrates through the lower lifting baffle (5) and is not fixed; the test wheel bracket (3) is arranged in two bearing holes of the test wheel (2) and is coaxial; the test bed (14) is provided with a slidable panel which is connected with the speed changer (10) through a hinged support (13) and a crank connecting rod (12).
2. The indoor vibration molding device for asphalt mixture according to claim 1, characterized in that the constant temperature box (8) is composed of a shell (17), an insulating layer (9), a constant temperature chamber door (18) and a temperature sensor (11), the constant temperature chamber door (18) is provided with an observation window; and a heat-insulating layer (9) is embedded in the inner wall of the constant-temperature chamber, and a temperature measuring sensor (11) is arranged indoors.
3. An indoor vibration forming device for asphalt mixture according to claim 1, wherein the pneumatic vibrator (15) is arranged at the bottom of the test bed (14) and fixed on the bottom plate by screws, and the amplitude and the frequency of the vibrator can be adjusted and controlled.
4. The indoor vibration molding device for asphalt mixture according to claim 1, characterized in that the test bed (14) is provided with a flat plate capable of sliding transversely, and the flat plate is connected with the speed changer (10) through a hinged support (13), and the speed changer (10) drives the flat plate to move at a speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921091599.9U CN210375898U (en) | 2019-07-12 | 2019-07-12 | Indoor vibration forming device for asphalt mixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921091599.9U CN210375898U (en) | 2019-07-12 | 2019-07-12 | Indoor vibration forming device for asphalt mixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210375898U true CN210375898U (en) | 2020-04-21 |
Family
ID=70271106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921091599.9U Active CN210375898U (en) | 2019-07-12 | 2019-07-12 | Indoor vibration forming device for asphalt mixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210375898U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113049341A (en) * | 2021-04-12 | 2021-06-29 | 武汉理工大学 | Indoor rolling forming device for asphalt mixture and test piece manufacturing method |
-
2019
- 2019-07-12 CN CN201921091599.9U patent/CN210375898U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113049341A (en) * | 2021-04-12 | 2021-06-29 | 武汉理工大学 | Indoor rolling forming device for asphalt mixture and test piece manufacturing method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104729898B (en) | Asphalt vibrates rotary compactor | |
| CN110726822B (en) | Method for testing expansibility and shear strength of carbonized soil in carbonization process of magnesium oxide solidified soil | |
| CN101281190B (en) | Multifunctional wheel rutting test | |
| US5911164A (en) | Compaction and pavement design testing machine and method for testing flexible pavement materials | |
| CN106053180B (en) | The analog vibration rolling molding machine and test specimen production method of bitumen mixture specimen | |
| CN210375898U (en) | Indoor vibration forming device for asphalt mixture | |
| CN102564855A (en) | Numerical method for graded crushed stone dynamic triaxial test | |
| AU2020412458B2 (en) | Retrofit intelligent compaction analyzer | |
| CN108196039B (en) | Device and method for simulating crack characteristics among broken blocks and influence of crack characteristics on layering | |
| CN106053179B (en) | The simulation rolling molding machine and test specimen production method of bitumen mixture specimen | |
| CN205280481U (en) | Accuse temperature marshall hits real appearance | |
| CN108646120B (en) | Comprehensive testing equipment for anti-blocking performance of electric hammer | |
| CN207439831U (en) | A kind of asphalt fatigue loading device of simulated environment temperature shock | |
| CN113567072B (en) | Simulation experiment device and method for bridge expansion joint crack propagation | |
| CN203616192U (en) | Testing device for cold patch asphalt rut test piece | |
| CN113049341A (en) | Indoor rolling forming device for asphalt mixture and test piece manufacturing method | |
| CN105486562A (en) | Asphalt stabilized cold recycled mixture vibration molding instrument and test piece molding method | |
| CN206420721U (en) | A kind of crushing coarse aggregates value test device | |
| CN210953669U (en) | Direct shear apparatus of controllable closely knit degree | |
| CN203572696U (en) | Stress control type geotechnical sample compactor | |
| CN205879638U (en) | Stone roller make -up machine is taken turns in synthesizing of bituminous mixture test piece | |
| CN109596428A (en) | The unified evaluation method of fatigue performance of asphalt mixture under a kind of different loading | |
| CN210604235U (en) | Test device for simulating rut forming process of asphalt pavement | |
| CN105538769B (en) | Vibrating and rotary compacting tester for preparing semi-flexible composite pavement structural test piece | |
| CN205941200U (en) | Concrete temperature stress testing machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |