CN202735168U - Asphalt capacity testing instrument - Google Patents
Asphalt capacity testing instrument Download PDFInfo
- Publication number
- CN202735168U CN202735168U CN 201220349258 CN201220349258U CN202735168U CN 202735168 U CN202735168 U CN 202735168U CN 201220349258 CN201220349258 CN 201220349258 CN 201220349258 U CN201220349258 U CN 201220349258U CN 202735168 U CN202735168 U CN 202735168U
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- CN
- China
- Prior art keywords
- fixed pulley
- fixed
- tank
- performance tester
- asphalt performance
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- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses an asphalt capacity testing instrument which comprises a control cabinet, a water groove, a servo motor and a closed-loop back and forth wire drawing mechanism of fixed pulleys. The closed-loop back and forth wire drawing mechanism of the fixed pulleys comprises a fixed support plate, a movable support plate, a draw wire and a fixed pulley set. Clamps are respectively arranged on the fixed support plate and the movable support plate. The control cabinet is arranged on an external side of the water groove. The closed-loop back and forth wire drawing mechanism of the fixed pulleys is arranged in a cavity of the water groove. The fixed pulley set is composed of multiple fixed pulleys and arranged on a box body at the right end of the water groove. One fixed pulley of the fixed pulley set is arranged on the fixed support plate. The servo motor is arranged above the fixed pulley set and one end of the draw wire is fixedly connected with the movable support plate through a sensor and bypasses a winding shaft of the servo motor and the fixed pulley set, and the other end of the draw wire is fixed on the movable support plate. As the closed-loop back and forth wire drawing mechanism of the fixed pulleys is utilized in the asphalt capacity testing instrument, the asphalt capacity testing instrument has the advantages of being simple in structure, low in cost, accurate in speed of drawing and convenient to operate and working steadily without vibration.
Description
Technical field
The utility model relates to asphalt performance research checkout equipment, is specifically related to a kind of asphalt performance tester.Relate in particular to and measure pitch extension value, be applicable to measure the ductility of the materials such as road asphalt, eu-bitumen bottoms and Asphalt Emulsion Evaporation Residue.
Background technology
The tension test of pitch need to be immersed in the water the pitch die trial, and the control water temperature is constant, at the uniform velocity is stretched to pitch die trial fracture and namely obtains its ductility value.In one section situation, be 25 at water channel
0Draw speed is 5cm/min during C, and water temperature is 15
0Draw speed is lcm/min during C.Draw speed is quite slow, and this need to carry out speed change with the rotating speed of motor, and the speed during different temperatures also needs to switch.Stretching, it is little to need steadily, vibrate.At present, the stretching mode of the bitumen extender of producing is the leading screw mode, namely realizes draw speed with speed reduction unit and leading screw.Because leading screw pitch and profile of tooth have error, cause like this draw speed inhomogeneous, and larger vibration is arranged.After the pitch die trial is stretched to certain-length, can become very thin, and hairline is similar, if at this moment because vibration or speed are inhomogeneous, can make its fracture, causes tensile elongation to shorten, inaccurate to estimating asphalt performance, this is that the performance of instrument own is good and cause.Given this plant situation, abroad some advanced countries realize that with leading screw and speed reduction unit draw speed changes the wire-pulling type structure into.With the wire-pulling type pitch that stretches, realize the even flat fringe of draw speed, vibrate littlely, such as the bitumen ductility instrument that: Sweden produces, adopt volute spring return mode, store large energy by spring (disc spring) distortion, delivered energy during return, this spring design calculation complex is even designing and calculating is very accurate, also need produce, manufacture experimently through special manufacturer, manufacturing cost be higher.
The utility model content
The purpose of this utility model is to overcome the defective that exists in the prior art, provide a kind of draw speed evenly, stable working, simple in structure and easy to operate asphalt performance tester.
For achieving the above object, the technical solution of the utility model is a kind of asphalt performance tester of design, it comprises switch board and tank, it is characterized in that, it also comprises servomotor and by fixing supporting plate, mobile pallet, backguy, the fixed pulley closed loop that the fixed pulley group forms is toward the multiple line drawing mechanism, be respectively arranged with clamp at described fixedly supporting plate and mobile pallet, described switch board is arranged on the outside of tank, described fixed pulley closed loop is arranged on the inner chamber of tank toward the multiple line drawing mechanism, wherein, fixedly supporting plate is installed in the inner chamber left end of tank, mobile pallet places fixedly the right of supporting plate, on described fixed pulley group is comprised of a plurality of fixed pulleys and the case that is installed in the tank right-hand member stops, a fixed pulley in the fixed pulley group is installed in fixedly on the supporting plate; Servomotor is positioned at the top of fixed pulley group, and an end of backguy is affixed through sensor and mobile pallet, after the roll through walking around servomotor and the fixed pulley group, another auspiciously also is fixed on the mobile pallet.
Wherein preferred technical scheme is, described switch board and tank are fixedly connected into the console mode one-piece construction, and profile is rectangular parallelepiped high-low cabinet form.
Preferred technical scheme also has, and described tank adopts the stainless steel manufacturing.
Preferred technical scheme also has, and described backguy is comprised of multiply stainless steel steel wire.
Preferred technical scheme also has, and described backguy is enclosed around 8 ~ 10 on the roll of servomotor.
Preferred technical scheme also has, and described fixed pulley group has three fixed pulleys.
Preferred technical scheme also has, and described sensor is pulling force sensor and/or displacement transducer.
Preferred technical scheme also has, and is provided with electric heater in described tank.
Advantage of the present utility model and beneficial effect are: this asphalt performance tester is by the switch board starting switch, the work of control servomotor, backguy speed on request on the servomotor output shaft moves mobile pallet, being fixed on fixing pitch die trial of pricking between plate and the mobile pallet by clamp is stretched, simultaneously by electric resistance sensor and/or displacement transducer, can measure at any time the pulling force that is applied on the pitch and the displacement of stretching, it is even that this asphalt performance tester also has draw speed, flat fringe, satisfy test request, make the mobile pallet return by the servomotor counter-rotating, it is extremely convenient to operate.Compared with prior art, the fixed pulley closed loop that the utility model adopts is toward the multiple line drawing mechanism, and is simple in structure, cost is low, not only stable working, friction, and draw Zhong Sudu accurate, easy to operate.
Description of drawings
Fig. 1 is the structural representation of the utility model asphalt performance tester.
Among the figure: 1, switch board; 2, tank; 3, fixing supporting plate; 4, mobile pallet; 5, backguy; 6, fixed pulley group; 7, servomotor; 8, sensor; 9, clamp.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is further described.Following examples only are used for the technical solution of the utility model more clearly is described, and can not limit protection domain of the present utility model with this.
As shown in Figure 1, the utility model is a kind of asphalt performance tester, it comprises switch board 1 and tank 2, it also comprises servomotor 7 and by fixing supporting plate 3, mobile pallet 4, backguy 5, the fixed pulley closed loop that fixed pulley group 6 forms is toward the multiple line drawing mechanism, in that fixedly supporting plate 3 and mobile pallet 4 are respectively arranged with clamp 9, switch board 1 is arranged on the outside of tank 2, the fixed pulley closed loop is arranged on the inner chamber of tank 2 toward the multiple line drawing mechanism, wherein, fixedly supporting plate 3 is installed in the inner chamber left end of tank 2, mobile pallet 4 places fixedly the right of supporting plate 3, on fixed pulley group 6 is comprised of a plurality of fixed pulleys and the case that is installed in tank 2 right-hand members stops, a fixed pulley in the fixed pulley group 6 is installed in fixedly on the supporting plate 3; Servomotor 7 is positioned at the top of fixed pulley group 6, and an end of backguy 5 is affixed through sensor 8 and mobile pallet 4, after the roll through walking around servomotor and the fixed pulley group 6, makes another auspicious also being fixed on the mobile pallet 4.
Preferred embodiment is in the utility model, and switch board 1 is fixedly connected into the console mode one-piece construction with tank 2, and profile is rectangular parallelepiped high-low cabinet form.
Preferred embodiment also has in the utility model, and tank 2 adopts the stainless steel manufacturing.Backguy 5 is comprised of multiply stainless steel steel wire.Backguy 5 is enclosed around 8 ~ 10 on the roll of servomotor 7.Fixed pulley group 6 has three fixed pulleys.Sensor 8 is pulling force sensor and/or displacement transducer.In tank 2, be provided with electric heater.
Principle of work of the present utility model is such: the pitch die trial is fixed on fixedly between the supporting plate 3 and mobile pallet 4 by clamp, by switch board 1 starting switch, make servomotor 7 work, backguy 5 speed on request on servomotor 7 output shafts is stretched, and it is 4 mobile under backguy 5 pulling force effects that mobile holder is drawn, and the pitch die trial is stretched, again by servomotor 7 counter-rotatings, make mobile pallet 4 returning quicklies, adopt the fixed pulley closed loop toward the multiple line drawing mechanism, draw speed can be realized stepless change, satisfy test request, the pitch die trial in the process that is stretched, stable working not only, friction, and draw speed is accurate, the fixed pulley closed loop is rapid toward multiple line drawing mechanism return, and it is extremely convenient to operate, simultaneously, compared with prior art, the utility model also has simple in structure, makes easily low cost and other advantages.
The above only is preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (8)
1. asphalt performance tester, it comprises switch board (1) and tank (2), it is characterized in that, it also comprises servomotor (7) and by fixing supporting plate (3), mobile pallet (4), backguy (5), the fixed pulley closed loop that fixed pulley group (6) forms is toward the multiple line drawing mechanism, be respectively arranged with clamp at described fixedly supporting plate (3) and mobile pallet (4), described switch board (1) is arranged on the outside of tank (2), described fixed pulley closed loop is arranged on the inner chamber of tank (2) toward the multiple line drawing mechanism, wherein, fixedly supporting plate (3) is installed in the inner chamber left end of tank (2), mobile pallet (4) places fixedly the right of supporting plate (3), on described fixed pulley group (6) is comprised of a plurality of fixed pulleys and the case that is installed in tank (2) right-hand member stops, a fixed pulley in the fixed pulley group (6) is installed in fixedly on the supporting plate (3); Servomotor (7) is positioned at the top of fixed pulley group (6), one end of backguy (5) is affixed through sensor (8) and mobile pallet (4), after roll through walking around servomotor and the fixed pulley group (6), make another auspicious also being fixed on the mobile pallet (4).
2. require 1 described asphalt performance tester such as the thick stick profit, it is characterized in that, described switch board (1) is fixedly connected into the console mode one-piece construction with tank (2), and profile is rectangular parallelepiped high-low cabinet form.
3. such as the described asphalt performance tester of claim l, it is characterized in that described tank (2) adopts the stainless steel manufacturing.
4. such as the described asphalt performance tester of claim l, its special card is that described backguy (5) is comprised of multiply stainless steel steel wire.
5. asphalt performance tester as claimed in claim 1 is characterized in that, described backguy (5) is enclosed around 8 ~ 10 on the roll of servomotor (7).
6. such as the described asphalt performance tester of claim l, it is characterized in that described fixed pulley group (6) has three fixed pulleys.
7. such as the described asphalt performance tester of claim l, it is characterized in that described sensor is pulling force sensor and/or displacement transducer.
8. such as the described asphalt performance tester of claim l, it is characterized in that, in described tank (2), be provided with electric heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220349258 CN202735168U (en) | 2012-07-18 | 2012-07-18 | Asphalt capacity testing instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220349258 CN202735168U (en) | 2012-07-18 | 2012-07-18 | Asphalt capacity testing instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202735168U true CN202735168U (en) | 2013-02-13 |
Family
ID=47660855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220349258 Expired - Fee Related CN202735168U (en) | 2012-07-18 | 2012-07-18 | Asphalt capacity testing instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202735168U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103149094A (en) * | 2013-03-05 | 2013-06-12 | 华北水利水电学院 | Measuring method and device for tensile creep of early-age concrete |
| CN112146977A (en) * | 2020-08-05 | 2020-12-29 | 中交基础设施养护集团宁夏工程有限公司 | Performance detector special for asphalt and detection method thereof |
-
2012
- 2012-07-18 CN CN 201220349258 patent/CN202735168U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103149094A (en) * | 2013-03-05 | 2013-06-12 | 华北水利水电学院 | Measuring method and device for tensile creep of early-age concrete |
| CN103149094B (en) * | 2013-03-05 | 2015-08-19 | 华北水利水电大学 | The measuring method of tensile creep of early-age concrete |
| CN112146977A (en) * | 2020-08-05 | 2020-12-29 | 中交基础设施养护集团宁夏工程有限公司 | Performance detector special for asphalt and detection method thereof |
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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: 20130213 Termination date: 20170718 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |