CN202770707U - Pressure testing machine - Google Patents
Pressure testing machine Download PDFInfo
- Publication number
- CN202770707U CN202770707U CN 201220172568 CN201220172568U CN202770707U CN 202770707 U CN202770707 U CN 202770707U CN 201220172568 CN201220172568 CN 201220172568 CN 201220172568 U CN201220172568 U CN 201220172568U CN 202770707 U CN202770707 U CN 202770707U
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- pressure head
- seaming chuck
- testing machine
- pressure testing
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Abstract
The utility model provides a pressure testing machine, which comprises a main machine, a loading pressure head and a sensor, wherein the main machine comprises a horizontal beam, a vertical column, a gearbox, a tray and a driving mechanism, the vertical column is fixed on the gearbox, the horizontal beam is mounted on the vertical column, the tray is driven by the driving mechanism and moves up and down on the gearbox in the vertical direction, the loading pressure head comprises an upper pressure head and a lower pressure head, the lower pressure head is mounted on the upper surface of the tray, opposite sides between the upper pressure head and the lower pressure head are provided with horizontal planes for clamping a sample, the two horizontal planes can be jointed with each other, and the sensor comprises a force sensor and a displacement sensor. The pressure testing machine provided by the utility model can precisely detect the compressive strength of a bituminous mixture sample under different deformation conditions so as to judge high-temperature deformation resistance and anti-rutting performance durability of an asphalt overlay structure better, and can avoid deformation, displacement and rutting destruction of the bituminous pavement which is opened to traffic soon after, caused by unreasonable test parameter representation.
Description
Technical field
The utility model relates to field of test instrument, particularly a kind of pressure testing machine.
Background technology
Marshall stability apparatus is applicable to measure the thermal stability of asphalt and the ability of plasticity_resistant deformation, i.e. degree of stability and flow valuve.By using Marshall stability apparatus to provide foundation as the composition and ratio design of asphalt.
Fig. 1 shows the structural representation of the Marshall stability apparatus of present use.As shown in Figure 1, Marshall stability apparatus comprises main frame, loading pressure head and sensor, wherein, main frame comprises crossbeam 101, column 102, wheel box 103 and pallet 104, column 102 is fixed on the wheel box 103, crossbeam 101 is installed on the column 102, and pallet 104 is driven by driving mechanism, can be lower mobile in the vertical direction on wheel box 103; The loading pressure head comprises seaming chuck 105 and push-down head 106, and push-down head 106 is installed on the upper surface of pallet 104, and seaming chuck 105 and push-down head 106 relative sides all have the arc groove for the clamping sample; Sensor comprises force cell 108 and displacement transducer 109, wherein, the two ends of force cell 108 are connected with the top that crossbeam 101 is connected with seaming chuck respectively, and displacement transducer 109 is installed on a side of the upper surface of seaming chuck 105, for detection of the displacement of seaming chuck 105.In addition, Marshall stability apparatus also comprises for the instrument box 110 that shows pressure and displacement data.
The sample that the Marshall stability apparatus that uses is at present tested is the size of asphalt right cylinder lateral pressure and lateral deformation, the right cylinder sample is loaded in the arc groove of seaming chuck 105 and push-down head 106, drive pallet 104 by driving mechanism and move up, with to the sample imposed load.Seaming chuck 105 and push-down head 106 are realized moving up and down of vertical direction by the guiding of guidepost.Test load is by force cell 108 outputs, and flow valuve is by displacement transducer 109 outputs.When reaching maximum load, be sample when breaking, the controller auto-breaking in the wheel box 103, driving mechanism quits work.
Because the shape and structure of loading pressure head is limit, pressure and the distortion size of side when Marshall stability apparatus can only be reflected in temperature the asphalt right cylinder destroys when being 60 ℃ from asphalt right cylinder sample, and can not detect in the compressive strength of asphalt right cylinder sample when temperature is 60 ℃ or during higher temperature and the size of corresponding distortion, and the compressive strength of asphalt right cylinder sample when 60 ℃ or higher temperature and corresponding distortion size, the judgement of the resistance to deformation during for the bituminous pavement top structured high temperature and the permanance of anti-rut performance, the stress that more meets pavement structure reality under the vehicle effect, therefore test the vertical deviation of actual resistance to deformation under anti-deforming that the test figure that obtains judges the bituminous pavement top structure and anti-rut performance size and the bituminous pavement top structured high temperature condition and rutting resistance with Marshall stability apparatus larger, thereby cause bituminous pavement to be out of shape in the just appearance that is being open to traffic soon, pass and rut destruction.
The utility model content
The utility model provides a kind of pressure testing machine, and its loading pressure head is applicable to sample and detects, and can simulate exactly the practical working situation of asphalt.
The technical scheme that its technical matters of solution of the present utility model adopts is:
A kind of pressure testing machine comprises main frame, loading pressure head and sensor,
Described main frame comprises crossbeam, column, wheel box, pallet and driving mechanism, and column is fixed on the wheel box, and crossbeam is installed on the column, and pallet is by driving mechanism driving, lower mobile in the vertical direction on wheel box;
The loading pressure head comprises seaming chuck and push-down head, and push-down head is installed on the upper surface of pallet, and the side that seaming chuck is relative with push-down head has the horizontal plane for the clamping sample, and two described horizontal planes can be bonded to each other;
Described sensor comprises force cell and displacement transducer, the two ends of force cell respectively with described crossbeam be connected the top of seaming chuck and be connected, displacement transducer is installed on a side of the upper surface of described seaming chuck.
Preferably, the center at the top of described seaming chuck has a projection, and the center of the bottom of described force cell has be used to holding this protruding groove.
Preferably, the center at the top of described seaming chuck has a groove, and the center of the bottom of described force cell has the projection that stretches to this groove.
Preferably, described seaming chuck is connected two ends and is connected by guidepost with push-down head
Preferably, described displacement transducer is linear displacement transducer.
Pressure testing machine of the present utility model has changed the shape of loading pressure head, and the side that seaming chuck is relative with push-down head has the horizontal plane for the clamping sample, and two described horizontal planes can be bonded to each other.The clamping face of horizontal plane that can be bonded to each other is so that pressure testing machine of the present utility model can be applicable to the detection of compressive strength and the corresponding distortion size of asphalt sample.
In addition, pressure testing machine of the present utility model can be applicable to by the mode that adopts difform anchor clamps difform sample, then compares with existing Marshall stability apparatus, and pressure testing machine of the present utility model can have the larger scope of application.
Description of drawings
Fig. 1 is the structural representation of existing Marshall stability apparatus;
Fig. 2 is the structural representation of pressure testing machine of the present utility model;
Fig. 3 is the connection diagram of seaming chuck and the pressure transducer of pressure testing machine of the present utility model.
Embodiment
The utility model provides a kind of pressure testing machine, and its loading pressure head is applicable to sample and detects, and can detect exactly compressive strength and the corresponding distortion size of asphalt sample.
Fig. 2 is the structural representation of pressure testing machine of the present utility model.As shown in Figure 2, pressure testing machine of the present utility model comprises main frame, loading pressure head and sensor.
Wherein, main frame comprises crossbeam 201, column 202, wheel box 203, pallet 204 and driving mechanism (not shown), column 202 is fixed on the wheel box 203, and crossbeam 201 is installed on the column 202, and pallet 204 is driven, can be moved down in the vertical direction on wheel box 203 by driving mechanism.
The loading pressure head comprises seaming chuck 205 and push-down head 206, and push-down head 205 is installed on the upper surface of pallet 204, and seaming chuck 205 and push-down head 206 relative sides have the horizontal plane for the clamping sample, and two horizontal planes can be bonded to each other.
Sensor comprises force cell 207 and displacement transducer 208, the top of force cell 207 is connected with the bottom of crossbeam 201, the bottom of force cell 207 is connected with the top of seaming chuck 205, displacement transducer 208 is installed on a side of the upper surface of seaming chuck 205, for detection of the displacement of seaming chuck 205.
Preferably,, need to position seaming chuck 205 and force cell 207, so that its center is relative to the sample imposed load for equably.As shown in Figure 3, the center at the top of seaming chuck 205 can have a projection 301, and then accordingly, the center of the bottom of force cell 207 has be used to the groove 302 that holds this projection 301.When mounted, only projection 301 need to be contained in and can finish volume the aiming between sensor 207 and the seaming chuck 205 of writing a biography in the groove 302, simple to operation.
Perhaps, can a groove be set in the center at the top of seaming chuck 205, accordingly, in the center of the bottom of force cell one projection that can stretch in this groove be set.
Preferably, as shown in Figure 2, the two ends that seaming chuck 205 is connected with push-down head connect by guidepost 209, so that the guide effect that upper girl 205 and push-down head 206 can be by guideposts 209 lower movement the in the vertical direction.
Preferably, displacement transducer 208 is linear displacement transducer, and force cell 207 adopts S shape power sensor.In addition, pressure testing machine of the present utility model also comprises for the instrument box 210 that shows pressure and displacement data.
Pressure testing machine of the present utility model has changed the shape of loading pressure head, and the side that seaming chuck is relative with push-down head has the horizontal plane for the clamping sample, and two described horizontal planes can be bonded to each other.Can the fit upper and lower surface of sample of the clamping face of horizontal plane that can be bonded to each other is so that pressure testing machine of the present utility model can be applicable to the detection of compressive strength and the corresponding distortion size of asphalt sample.
In addition, pressure testing machine of the present utility model can be applicable to by the mode that adopts difform anchor clamps difform sample, then compares with existing Marshall stability apparatus, and pressure testing machine of the present utility model can have the larger scope of application.
The operating process of pressure testing machine of the present utility model is as follows:
1, the correct installation
1) locating device that utilizes of upper and lower pressure head is aimed at.Manually upper push-down head is positioned on the platform of pallet, the convex surface at seaming chuck top (or concave surface) is aimed at the concave surface (or convex surface) of force cell bottom, makes push-down head and test specimen centering adjustment;
2) the Electric Machine Control line between exact connect ion control system and the main frame;
3) connect power lead to supply socket;
4) guarantee that all and power supply have ground wire and exact connect ion.
2, test operation
Check that supply voltage is whether in allowed band (in 220VAC ± 10%).If the situation of power supply is undesirable, should abandon test, in order to avoid equipment is caused unnecessary harm or causes test figure unreliable; Whether the connection that carefully checks circuit exists mistake.
If check that all are normal, the line that plugs in, whether be not totally released position such as pressure head this moment, should press " decline " key on the controller panel, returns pressure head behind correct position, presses Manual lifting, mind the machine and rise.
Pin " test " key and turn on the power switch, then unclamp " test " key with the bar of hand propelled displacement transducer, see whether the data of flow valuve window change.Use again the hand pressure transducer, see whether the data of pressure window change.
The electronic measurement and control part is partly connected with mechanical loading, plugged, window shows null value.
A people lifts seaming chuck, and the ready-made test specimen of another person is put between the push-down head, and seaming chuck is put down.Check that pressing " test " key after errorless gets final product, instrument is controlled the loading of loading part automatically, and the large I of test specimen compressive deformation is pre-set as required, after reaching test specimen compressive deformation setting value, pressurization be can automatically stop, test specimen force value and corresponding shift value directly demonstrated on the display.
Print automatic printing and go out test findings, the displacement numerical value of namely setting and corresponding pressure.The while instrument is automatically controlled loading facilities and is dropped to specified altitude, conveniently changes test specimen.
As mentioned above, pressure testing machine of the present utility model has changed the shape of loading pressure head, and the side that seaming chuck is relative with push-down head has the horizontal plane for the clamping sample, and two described horizontal planes can be bonded to each other.Can the fit upper and lower surface of sample of the clamping face of horizontal plane that can be bonded to each other is so that pressure testing machine of the present utility model can be applicable to the detection of compressive strength and the corresponding distortion size of asphalt sample.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of making, be equal to replacement, improvement etc., all should be included within the scope of the utility model protection.
Claims (5)
1. a pressure testing machine is characterized in that, comprises main frame, loading pressure head and sensor,
Described main frame comprises crossbeam, column, wheel box, pallet and driving mechanism, and column is fixed on the wheel box, and crossbeam is installed on the column, and pallet is by driving mechanism driving, lower mobile in the vertical direction on wheel box;
The loading pressure head comprises seaming chuck and push-down head, and push-down head is installed on the upper surface of pallet, and the side that seaming chuck is relative with push-down head has the horizontal plane for the clamping sample, and two described horizontal planes can be bonded to each other;
Described sensor comprises force cell and displacement transducer, the two ends of force cell respectively with described crossbeam be connected the top of seaming chuck and be connected, displacement transducer is installed on a side of the upper surface of described seaming chuck.
2. pressure testing machine according to claim 1 is characterized in that, the center at the top of described seaming chuck has a projection, and the center of the bottom of described force cell has be used to holding this protruding groove.
3. pressure testing machine according to claim 1 is characterized in that, the center at the top of described seaming chuck has a groove, and the center of the bottom of described force cell has the projection that stretches to this groove.
4. according to claim 2 or 3 described pressure testing machines, it is characterized in that, described seaming chuck is connected two ends and is connected by guidepost with push-down head.
5. pressure testing machine according to claim 4 is characterized in that, described displacement transducer is linear displacement transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220172568 CN202770707U (en) | 2012-02-14 | 2012-04-20 | Pressure testing machine |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220047502.6 | 2012-02-14 | ||
| CN201220047502 | 2012-02-14 | ||
| CN 201220172568 CN202770707U (en) | 2012-02-14 | 2012-04-20 | Pressure testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202770707U true CN202770707U (en) | 2013-03-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220172568 Expired - Lifetime CN202770707U (en) | 2012-02-14 | 2012-04-20 | Pressure testing machine |
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| Country | Link |
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| CN (1) | CN202770707U (en) |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104111195A (en) * | 2014-07-25 | 2014-10-22 | 上海烟草集团有限责任公司 | Method for analyzing breakage strength of essence capsule applied to cigarette filter |
| CN104297062A (en) * | 2014-10-21 | 2015-01-21 | 中山市拓维电子科技有限公司 | Asphalt stability testing tool |
| CN104677736A (en) * | 2015-03-11 | 2015-06-03 | 中国工程物理研究院化工材料研究所 | Mechanical property detector for rubber ring |
| CN104215498B (en) * | 2013-05-29 | 2016-10-05 | 福州美德实验仪器有限公司 | A kind of multifunctional track tester |
| CN106018061A (en) * | 2016-06-23 | 2016-10-12 | 贵州电力设计研究院 | Splitting and compression combined testing system and method |
| CN106769437A (en) * | 2017-03-31 | 2017-05-31 | 长安大学 | Asphalt transversely deforming measurement apparatus under a kind of temperature load coupling |
| CN107631934A (en) * | 2017-10-26 | 2018-01-26 | 新疆大学 | A kind of high temperature is without confining pressure instrument |
| CN107764555A (en) * | 2017-11-30 | 2018-03-06 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of accurate pressue device of aero-engine thin-wall part |
| CN107966366A (en) * | 2017-12-20 | 2018-04-27 | 成都新诚华创电子有限公司 | Preset potentiometer test machine |
| CN108398326A (en) * | 2018-05-02 | 2018-08-14 | 苏州热工研究院有限公司 | Portable ladder crosspiece experimental rig and the method for carrying out crosspiece strength test using it |
| CN108760615A (en) * | 2018-03-07 | 2018-11-06 | 宁夏大学 | A kind of simulating natural condition bituminous concrete tester |
| CN109060544A (en) * | 2018-07-22 | 2018-12-21 | 李�瑞 | A kind of anti-load damage test device of highway pavement |
| CN109490092A (en) * | 2018-12-20 | 2019-03-19 | 四川正升环保科技有限公司 | A kind of sxemiquantitative unconfined compressive strength tester |
| CN111781046A (en) * | 2020-08-11 | 2020-10-16 | 辽宁科技大学 | Complete test device and test method for detecting mechanical properties of tamping briquette |
| CN111879611A (en) * | 2020-07-24 | 2020-11-03 | 武汉科技大学 | Fixing device of extensometer for measuring compression deformation of refractory material |
| CN112033810A (en) * | 2020-01-20 | 2020-12-04 | 廊坊市阳光建设工程质量检测有限公司 | Device and method for detecting compressive strength of concrete by cambered surface opposite compression method |
| CN114235574A (en) * | 2021-12-10 | 2022-03-25 | 中路交科检测技术有限公司 | Horizontal loading asphalt mixture stability tester and test method thereof |
-
2012
- 2012-04-20 CN CN 201220172568 patent/CN202770707U/en not_active Expired - Lifetime
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104215498B (en) * | 2013-05-29 | 2016-10-05 | 福州美德实验仪器有限公司 | A kind of multifunctional track tester |
| CN104111195A (en) * | 2014-07-25 | 2014-10-22 | 上海烟草集团有限责任公司 | Method for analyzing breakage strength of essence capsule applied to cigarette filter |
| CN104297062A (en) * | 2014-10-21 | 2015-01-21 | 中山市拓维电子科技有限公司 | Asphalt stability testing tool |
| CN104677736A (en) * | 2015-03-11 | 2015-06-03 | 中国工程物理研究院化工材料研究所 | Mechanical property detector for rubber ring |
| CN104677736B (en) * | 2015-03-11 | 2017-03-15 | 中国工程物理研究院化工材料研究所 | Rubber ring device for detecting mechanical property |
| CN106018061A (en) * | 2016-06-23 | 2016-10-12 | 贵州电力设计研究院 | Splitting and compression combined testing system and method |
| CN106769437B (en) * | 2017-03-31 | 2020-09-22 | 长安大学 | Bituminous mixture lateral deformation measuring device under temperature load coupling effect |
| CN106769437A (en) * | 2017-03-31 | 2017-05-31 | 长安大学 | Asphalt transversely deforming measurement apparatus under a kind of temperature load coupling |
| CN107631934A (en) * | 2017-10-26 | 2018-01-26 | 新疆大学 | A kind of high temperature is without confining pressure instrument |
| CN107764555A (en) * | 2017-11-30 | 2018-03-06 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of accurate pressue device of aero-engine thin-wall part |
| CN107764555B (en) * | 2017-11-30 | 2019-08-06 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of accurate pressurizing device of aero-engine thin-wall part |
| CN107966366A (en) * | 2017-12-20 | 2018-04-27 | 成都新诚华创电子有限公司 | Preset potentiometer test machine |
| CN108760615B (en) * | 2018-03-07 | 2024-04-16 | 宁夏大学 | Asphalt concrete tester simulating natural conditions |
| CN108760615A (en) * | 2018-03-07 | 2018-11-06 | 宁夏大学 | A kind of simulating natural condition bituminous concrete tester |
| CN108398326A (en) * | 2018-05-02 | 2018-08-14 | 苏州热工研究院有限公司 | Portable ladder crosspiece experimental rig and the method for carrying out crosspiece strength test using it |
| CN109060544A (en) * | 2018-07-22 | 2018-12-21 | 李�瑞 | A kind of anti-load damage test device of highway pavement |
| CN109490092A (en) * | 2018-12-20 | 2019-03-19 | 四川正升环保科技有限公司 | A kind of sxemiquantitative unconfined compressive strength tester |
| CN112033810A (en) * | 2020-01-20 | 2020-12-04 | 廊坊市阳光建设工程质量检测有限公司 | Device and method for detecting compressive strength of concrete by cambered surface opposite compression method |
| CN111879611A (en) * | 2020-07-24 | 2020-11-03 | 武汉科技大学 | Fixing device of extensometer for measuring compression deformation of refractory material |
| CN111781046B (en) * | 2020-08-11 | 2023-03-07 | 辽宁科技大学 | Complete test device and test method for mechanical property detection of tamping briquette |
| CN111781046A (en) * | 2020-08-11 | 2020-10-16 | 辽宁科技大学 | Complete test device and test method for detecting mechanical properties of tamping briquette |
| CN114235574A (en) * | 2021-12-10 | 2022-03-25 | 中路交科检测技术有限公司 | Horizontal loading asphalt mixture stability tester and test method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130306 |
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| CX01 | Expiry of patent term |