CN205120634U - Hot in -Place recycling heats test device - Google Patents
Hot in -Place recycling heats test device Download PDFInfo
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- CN205120634U CN205120634U CN201520911166.9U CN201520911166U CN205120634U CN 205120634 U CN205120634 U CN 205120634U CN 201520911166 U CN201520911166 U CN 201520911166U CN 205120634 U CN205120634 U CN 205120634U
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- liquefied gas
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- temperature sensor
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Abstract
The utility model discloses a hot in -Place recycling heats test device, aim at, the messenger records the tentation data conclusion and can play the theoretical direction effect to the practice to the accuracy is high, simulation is strong and easy operation, the utility model discloses a test bench frame is provided with infrared ray generating device on the test bench frame, infrared ray generating device is connected with infrared ray generation controller, oil liquefied gas admit air control valve and frequency conversion air -blower, oil liquefied gas control valve bond to the oil air supply that liquefies that admits air, and frequency conversion blower connection air source, the positive lower extreme of infrared ray generating device sets up the experimental piece of pitch, is provided with a plurality of temperature sensor on the experimental piece of pitch, temperature sensor is connected to data acquisition instrument, and data acquisition instrument is connected to the computer that can show the tentation data.
Description
Technical field
The utility model belongs to highway engineering technical field, is specifically related to a kind of in-situ heat regeneration heat test device.
Background technology
Along with the high speed development of highway in China, the bituminous highway built in the past, owing to increasing rapidly by the volume of traffic, vehicle maximizes, overload is serious and the factor such as construction quality affects, cause bituminous pavement to reach far away namely to have occurred tenure of use the disease such as crack, hole groove, rut, depression, be therefore badly in need of the maintenance that suitable Asphalt Pavement Maintenance Technology is in addition suitable to this.And traditional maintenance process be dig, bituminous pavement that milling, the cementation of fissures have disease, this method not only pollutes the environment in enforcement engineering, and can cause the waste of pitch of a large amount of high-quality.Faced with this situation, how to adopt more environmental protection, more save, affect little asphalt pavement conserving method, so just there is multiple maintenance method, mainly contain the modes such as heating by infrared radiation, Cycling hot-blast heating, microwave heating.Wherein, when using heating by infrared radiation to have a bituminous pavement of disease, produce ultrared device and need burning petroleum liquefied gas as fuel heating alloys grid, infrared ray will be sent when the temperature of alloy grid arrives to a certain degree, and then be radiated at old asphalt pavement and heat, but the consumption of the energy is larger in the process, because the technology of infrared radiation heating bituminous pavement is also immature.
In the implementation process using heating by infrared radiation pitch old pavement, if the heat time is long or oil liquefied gas air inflow is excessive, thus can produce too much heat may make the surface temperature of old asphalt pavement too high and performance degradation, more serious situation is that surperficial pitch catches fire and carbonizes hardening, the recyclability of pitch is caused greatly to reduce, not only waste resource, contaminated environment, and work efficiency also can reduce greatly.So, needing can according to the material properties of bituminous pavement and disease incidence in the process using heating by infrared radiation, by adjusting the air inflow of the consumption of LPG gasifying and the rotating speed of fan blower and air, the premix of gas consumption and air inlet amount can be made right to certain proportion, or regulate the distance of infrared generator and bituminous pavement, light combination gas and make its Thorough combustion and the more heats of release, the infrared radiation amount making it occur is in the scope that practical operation requires.Therefore, a kind of test unit of necessary design comes to be optimized research to the technology of heating by infrared radiation bituminous pavement further.
Utility model content
In order to solve the problems of the prior art, the utility model proposes that a kind of degree of accuracy is high, simulation is strong, simple to operate, recording test figure conclusion can play theoretical direction effect in-situ heat regeneration heat test device to practice.
In order to realize above object, the technical scheme that the utility model adopts is: comprise test bed framework, test bed framework is provided with infrared generator, infrared generator is connected with infrared ray generator controller, oil liquefied gas air intake control valve and frequency conversion fan blower, oil liquefied gas air intake control valve is connected to L. P. G source of the gas, frequency conversion fan blower connects air-source, the positive lower end of infrared generator arranges asphalt test block, asphalt test block is provided with several temperature sensors, described temperature sensor is connected to data collecting instrument, data collecting instrument is connected to the computing machine that can show test figure.
Described test bed framework is provided with jacking gear, the positive lower end of described infrared generator is provided with the test block pallet for placing asphalt test block, described test block pallet is fixedly installed on jacking gear, can be adjusted the distance in asphalt test block upper surface and infrared radiation face by described jacking gear.
Water jacket thermal insulator is provided with between described test block pallet and the table top of jacking gear.
Described test block pallet is provided with the infrared radiation flow sensor that can gather infrared generator infrared radiation amount.
Described infrared radiation flow sensor is connected to data collecting instrument, and temperature sensor is connected to data collecting instrument by thermopair compensation block.
Described temperature sensor is K type thermocouple temperature sensor, thermopair compensation block is the K type thermopair compensation block of 16 passages, described test block tray bottom is provided with through hole, the thermocouple wire of K type thermocouple temperature sensor is drawn from described through hole, and is connected with the compensating line of K type thermopair compensation block.
Between described test block pallet and asphalt test block, and the space between infrared generator and test bed framework is provided with heat-barrier material.
Described oil liquefied gas air intake control valve is connected to oil liquefied gas and stores tank, oil liquefied gas stores tank and is arranged on boom hoisting, boom hoisting is provided with and can gathers the load sensor that oil liquefied gas stores tank weight data, load sensor is connected to data collecting instrument.
The strain gauge load cell of described load sensor to be model be TJL-1, range is 500N.
The model that described data collecting instrument adopts is the SoMateDAQlite data collecting instrument of HBM series, and by the netting twine with RJ45 connector, is directly connected with the RJ45 socket of computing machine.
Compared with prior art, during device experiment of the present utility model, asphalt test block is placed on the positive lower end of infrared generator, on asphalt test block and inside is provided with the some temperature sensors be connected with connection data Acquisition Instrument, data collecting instrument is connected with the computing machine for showing data, the start and stop of infrared generator is controlled by infrared ray generator controller, oil liquefied gas air intake control valve controls the air inflow of oil liquefied gas, the air inflow of frequency conversion air compressor control air, make the efficiency of heating surface of asphalt test block high, unit simulation of the present utility model is strong, be easy to operation, when utilizing heating by infrared radiation bituminous pavement, can road surface be made to reach the requirement of in-situ heat regeneration when gas quantity is minimum, and make work efficiency reach the highest.
Further, the edge of test block pallet is also provided with the infrared radiation flow sensor be connected with connection data Acquisition Instrument, infrared radiation amount can be gathered, during heating by infrared radiation pitch pressure-testing block, can according to the temperature signal of temperature sensor feedback, utilize jacking gear to change the distance between asphalt test block and infrared generator, or change the intake of fan blower and the air inflow of oil liquefied gas and enable asphalt test block reach better heating effect, the too much heat avoiding bituminous pavement to absorb and carbonize or heat halfway problem.
Further, water jacket thermal insulator is placed on above jacking gear, inlet side water and the water outlet port of water jacket thermal insulator is connect respectively with water pipe, and the water pipe connecting water inlet port is connected with running water tap, water jacket thermal insulator is utilized to cool test block pallet, avoid heating by infrared radiation test block pallet and jacking gear, ensure that the reliability of whole device.
Further, utilize hanging apparatus to lift by crane oil liquefied gas and store tank, utilize load sensor to gather oil liquefied gas and store tank weight data to sending data collecting instrument to, the consumption of oil liquefied gas can be detected at the trial accurately, improve the accuracy that test is measured, maximum heating effect is obtained, economize energy with minimum consumption.
Further, infrared radiation sensor and temperature sensor are connected to data collecting instrument by thermopair compensation block, infrared radiation amount when utilizing thermopair compensation block can measure test more accurately and temperature data, improve the precision of test, have better directive significance to engineering practice.
Further, at the trial, around asphalt test block and pallet and bottom be all covered with heat-barrier material, asphalt test block is placed on test block pallet, prevents the heat conduction of test block pallet to testpieces, impact test precision; Space around infrared generator and between test framework utilizes heat-barrier material jam-pack, prevents heat upwards to climb sharply, the circuit above destruction equipment and steam hose, improves the reliability of whole device.
Accompanying drawing explanation
Fig. 1 is the structure schematic front view of the utility model device;
Fig. 2 is the structure schematic top plan view of the utility model device;
Fig. 3 a is the structural representation of test bed framework upper bracket, Fig. 3 b is the structural representation of test bed framework left support frame, Fig. 3 c is the structural representation of test bed framework right support frame, Fig. 3 d is the structural representation of test bed framework crossbeam, wherein, 5-1-upper bracket, 5-2-right support frame, 5-3-front beam, 5-4-rear cross beam, 5-5-left support frame;
Fig. 4 is the schematic top plan view of test block pallet;
Fig. 5 is the layout schematic diagram of temperature sensor;
Wherein, 1-infrared ray generator controller, 2-oil liquefied gas air intake control valve, 3-frequency conversion fan blower, 4-infrared generator, 5-test bed framework, 6-asphalt test block, 7-test block pallet, 8-water jacket thermal insulator, 9-jacking gear, 10-load sensor, 11-oil liquefied gas store tank, 12-infrared radiation flow sensor, 13-thermopair compensation block, 14-data collecting instrument, 15-computing machine.
Embodiment
Below in conjunction with the utility model is further explained the explanation of specific embodiment and Figure of description.
See Fig. 1 and Fig. 2, device of the present utility model comprises infrared ray generator controller 1, oil liquefied gas air intake control valve 2, frequency conversion fan blower 3, infrared generator 4, test bed framework 5, test block pallet 7, water jacket thermal insulator 8, jacking gear 9, load sensor 10, oil liquefied gas storage tank 11, infrared radiation flow sensor 12, thermopair compensation block 13, data collecting instrument 14 and computing machine 15, wherein, infrared ray generator controller 1 controls the start and stop of infrared generator 4; Oil liquefied gas air intake control valve 2 controls the air inflow of oil liquefied gas; Frequency conversion fan blower 3 controls the air inflow of air; Asphalt test block 6 is arranged on when testing on test block pallet 7, is plugged with thermal insulation material glass silk flosssilk wadding and plays thermal insulation between test block pallet 7 and asphalt test block 6; Water jacket thermal insulator 8 has two interfaces, and one taps into water pipe, another connected water outlet pipe; Jacking gear 9 changes the distance between asphalt test block 6 and infrared generator 4 by the shake of handwheel; The surface of asphalt test block 6 and inside arrange 16 temperature sensors altogether, and temperature sensor is SMD thermocouple temperature sensor.The thermocouple wire of temperature sensor is connected by master-slave socket with K type thermocouple compensation, thermocouple compensation connects thermopair compensation block 13, then thermopair compensation block 13 and data collecting instrument 14 is connected with the data line of 21 pins, data collecting instrument 14 adopts model to be the data collecting instrument of the eDAQlite of HBM, and directly carry out connecting communication with computing machine 15 by the netting twine of RJ45 communication port, energy collecting temperature is installed in computing machine 15 and carries out the catmanAP software of Data Post.
See Fig. 3 a ~ Fig. 3 d, the upper bracket 5-1 of dismountable test bed framework is used for placing infrared generator 4, and is respectively welded with draw-in groove on four angles of upper bracket 5-1, is used for fixing restriction infrared generator 4.Test bed framework 5 is made up of five parts: upper bracket 5-1, right support frame 5-2, left support frame 5-5, front beam 5-3 and rear cross beam 5-4.Infrared generator 4 is placed on upper bracket 5-1, left and right bracing frame and forward and backward crossbeam are bolted, and upper bracket is directly enclosed within left and right bracing frame, and whole framework is easy to dismounting, convenient transport, and can also storage space be saved time idle.Jacking gear 9 comes lifting or decline by shake hand screw rod, and object regulates the distance between infrared generator 4 and asphalt test block 6 upper surface.Water jacket thermal insulator 8 is that stainless steel material is welded into, and object is used to prevent the direct radiation heating jacking gear 9 of infrared ray, avoids the support strength affecting jacking gear 9.
Infrared generator 4 heats a kind of alloy network grid material by burning petroleum liquefied gas to launch infrared ray, and oil liquefied gas is stored in oil liquefied gas and stores in tank 11.Temperature sensor is all K type thermalcouple type temperature sensor, the transmission line of K type thermocouple temperature sensor is connected by thermopair master-slave socket with K type thermocouple compensation, and K type thermocouple compensation is connected with the electric thermo-couple temperature compensation block 13 of 16 passages by thermopair public plug.
The model that data collecting instrument 14 adopts is the SoMateDAQlite Acquisition Instrument of HBM series, and by the netting twine with RJ45 connector, is directly connected with the RJ45 socket of computing machine 15, information communication between then being undertaken by ICP/IP protocol.What load sensor adopted is strain gauge load cell, and model is TJL-1, and range is 500N, and the model that infrared radiation sensor 12 adopts is HT-50-C-M20, and the size of asphalt test block 6 is 300x300x50mm.
See Fig. 4, the stainless steel welded one-tenth of test block pallet 7, and on the edge of test block pallet 7, be drilled with the bolt hole of a M20, object is used to install the infrared radiation flow sensor 12 detecting infrared radiation amount, and also having in the bottom of test block pallet 7 central through hole that diameter is 40mm, object is used to wear temperature sensor lead.At the trial, asphalt test block is placed on pallet, and in order to prevent the heat conduction of pallet to test block, thus around asphalt test block and pallet and bottom be all covered with heat-barrier material glass fibre.
See Fig. 5, the layout of temperature sensor with the temperature on the surface and inner diverse location of correctly reflecting testpieces for target, the side relative with heating by infrared radiation plate is heated side, the side relative with water jacket thermal insulator is non-heated side, temperature sensor is laid in heated side surface and the different depth place, distance heated side surface of asphalt test block respectively, and heated side and non-heated side are all square.During placement sensor, make a call to a through hole from the diagonal line point of intersection of non-heated side, then the contact of thermocouple temperature sensor is drawn from this through hole, lay the first temperature sensor 6-1 at the diagonal line near intersections place of heated side.When heating by infrared radiation asphalt test block, in order to measure the real time temperature on testpieces surface, also consider influence factor and the boundary effect of heating, on each 1/4th linea angulatas of non-heated side, 30 ~ 40mm of being often separated by bores a 10mm respectively, 20mm, 30mm, the blind hole that 40mm is dark, and it is different at a distance of the equidistant hole depth of central point, then in the blind hole of the inner different depth of asphalt test block, 15 temperature sensors are arranged, from near depth to center is the blind hole of 10mm, by arranged clockwise, 10mm in asphalt test block respectively, 20mm, 30mm, 1/4th linea angulatas at 40mm different depth place arrange 3, 4 and 4 thermocouple temperature sensors, and number consecutively second ~ 16 temperature sensor 6-2 ~ 6-16, such layout temperature sensor can react the thermograde of asphalt test block inside more intuitively.
The concrete operation step of the utility model method is as follows:
1) first couple together by the various piece of cross round head screw by test bed framework 5, then infrared generator 4 is placed in the draw-in groove above test bed framework 5, following heat-barrier material glass silk flosssilk wadding is the space heat-barrier material glass silk floss jam-pack around infrared generator 4 and between test bed framework 5, in order to prevent heat from upwards climbing sharply, the circuit above destruction equipment and steam hose;
2) and then jacking gear 9 being placed on the crossbeam of test bed framework 5, and fixing with bolt, regulating the height of jacking gear 9 to suitable position by rotating rocking arm;
3) according to the arrangement requirement of the design for temperature sensor of asphalt test block 6,16 thermocouple temperature sensors of asphalt test block inside are arranged;
4) the asphalt test block 6 that thermocouple temperature sensor arranges is placed into inside test block pallet 7, and heat-barrier material glass silk flosssilk wadding is laid on the face that asphalt test block 6 contacts with test block pallet 7, and the K type thermocouple wire of thermocouple temperature sensor is drawn from the through hole be reserved in bottom test block pallet 7, be connected with K type thermocouple compensation;
5) and then K type thermocouple compensation is connected with thermopair compensation block 13, then thermopair compensation block 13 and eDAQlite data collecting instrument 14 is connected with the data line of 21 pins, and infrared radiation flow sensor 12 is arranged on test block pallet 7 edge, its data line is connected on eDAQlite data collecting instrument 14;
6) water jacket thermal insulator 8 is placed on above jacking gear 9, connects inlet side water and the water outlet port of water jacket thermal insulator 8 with water pipe respectively, and the water pipe connecting water inlet port is connected with running water tap;
7) the test block pallet 7 being placed with asphalt test block 6 is placed into above water jacket thermal insulator 8;
8) connect the oil liquefied gas air intake control valve 2 of infrared generator 4 with steam hose, and connect infrared ray generator controller 1 with the power source wire of controller, and connect with the mains, open the button of charging on infrared ray generator controller 1, charge;
9) and then the steam hose other end is connected to oil liquefied gas and stores the control valve port of tank 11, and to sling oil liquefied gas storage tank 11 with load sensor 10, its signal transmssion line is received on eDAQlite data collecting instrument 14;
10) connect 26 needle moulds plan PORT COM of eDAQlite data collecting instrument 14 with the communication terminal of the data line of 26 pins, switch on power, so far a whole set of test unit has connected;
11) testing tool debugging, will test the working condition of device after test unit installs, whether the serviceability of testing each instrument is stablized;
12), after having debugged, disconnect the power supply of all devices, adjust the distance between asphalt test block upper surface and infrared radiation face by jacking gear 9;
13) power supply of all devices is connected, open oil liquefied gas air intake control valve 2, then stir the start button on infrared ray generator controller 1, show with the testing software that computing machine 15 is installed and record the data of whole process of the test, and aftertreatment is carried out to test figure.
The utility model simulation is strong, be easy to operation, when utilizing heating by infrared radiation bituminous pavement, road surface can be made to reach the requirement of in-situ heat regeneration when firing vapour amount and being minimum, and make work efficiency reach the highest, record test figure conclusion and can play theoretical direction effect to practice.
Claims (10)
1. an in-situ heat regeneration heat test device, it is characterized in that, comprise test bed framework (5), test bed framework (5) is provided with infrared generator (4), infrared generator (4) is connected with infrared ray generator controller (1), oil liquefied gas air intake control valve (2) and frequency conversion fan blower (3), oil liquefied gas air intake control valve (2) is connected to L. P. G source of the gas, frequency conversion fan blower (3) connects air-source, the positive lower end of infrared generator (4) arranges asphalt test block (6), (6) are provided with several temperature sensors to asphalt test block, described temperature sensor is connected to data collecting instrument (14), data collecting instrument (14) is connected to the computing machine (15) that can show test figure.
2. a kind of in-situ heat regeneration heat test device according to claim 1, it is characterized in that, described test bed framework (5) is provided with jacking gear (9), the positive lower end of described infrared generator (4) is provided with the test block pallet (7) for placing asphalt test block (6), described test block pallet (7) is fixedly installed on jacking gear (9), can be adjusted the distance in asphalt test block (6) upper surface and infrared radiation face by described jacking gear (9).
3. a kind of in-situ heat regeneration heat test device according to claim 2, is characterized in that, is provided with water jacket thermal insulator (8) between described test block pallet (7) and the table top of jacking gear (9).
4. a kind of in-situ heat regeneration heat test device according to claim 2, it is characterized in that, described test block pallet (7) is provided with the infrared radiation flow sensor (12) that can gather infrared generator (4) infrared radiation amount.
5. a kind of in-situ heat regeneration heat test device according to claim 4, it is characterized in that, described infrared radiation flow sensor (12) is connected to data collecting instrument (14), and temperature sensor is connected to data collecting instrument (14) by thermopair compensation block (13).
6. a kind of in-situ heat regeneration heat test device according to claim 5, it is characterized in that, described temperature sensor is K type thermocouple temperature sensor, thermopair compensation block (13) is the K type thermopair compensation block of 16 passages, described test block pallet (7) bottom is provided with through hole, the thermocouple wire of K type thermocouple temperature sensor is drawn from described through hole, and is connected with the compensating line of K type thermopair compensation block.
7. a kind of in-situ heat regeneration heat test device according to claim 2, it is characterized in that, between described test block pallet (7) and asphalt test block (6), and the space between infrared generator (4) and test bed framework (5) is provided with heat-barrier material.
8. a kind of in-situ heat regeneration heat test device according to claim 1, it is characterized in that, described oil liquefied gas air intake control valve (2) is connected to oil liquefied gas and stores tank (11), oil liquefied gas stores tank (11) and is arranged on boom hoisting, boom hoisting is provided with and can gathers the load sensor (10) that oil liquefied gas stores tank (11) weight data, load sensor (10) is connected to data collecting instrument (14).
9. a kind of in-situ heat regeneration heat test device according to claim 8, is characterized in that, described load sensor (10) for model be the strain gauge load cell of TJL-1, range is 500N.
10. a kind of in-situ heat regeneration heat test device according to claim 1, it is characterized in that, the model that described data collecting instrument (14) adopts is the SoMateDAQlite data collecting instrument of HBM series, and by the netting twine with RJ45 connector, be directly connected with the RJ45 socket of computing machine (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520911166.9U CN205120634U (en) | 2015-11-16 | 2015-11-16 | Hot in -Place recycling heats test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520911166.9U CN205120634U (en) | 2015-11-16 | 2015-11-16 | Hot in -Place recycling heats test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205120634U true CN205120634U (en) | 2016-03-30 |
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ID=55576229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520911166.9U Expired - Fee Related CN205120634U (en) | 2015-11-16 | 2015-11-16 | Hot in -Place recycling heats test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205120634U (en) |
-
2015
- 2015-11-16 CN CN201520911166.9U patent/CN205120634U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160330 Termination date: 20171116 |
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| CF01 | Termination of patent right due to non-payment of annual fee |