CN113203631A - Highway subgrade compressive strength testing arrangement - Google Patents
Highway subgrade compressive strength testing arrangement Download PDFInfo
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- CN113203631A CN113203631A CN202110497521.2A CN202110497521A CN113203631A CN 113203631 A CN113203631 A CN 113203631A CN 202110497521 A CN202110497521 A CN 202110497521A CN 113203631 A CN113203631 A CN 113203631A
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- cross beam
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a highway subgrade pressure resistance testing device, which comprises supporting columns, an upper cross beam, an operating platform, a pressure measuring device and a strength tester, the upper crossbeam is arranged above the support columns, the operating platform is arranged between the support columns and is positioned in the lower middle part of the support columns, the pressure measuring device is arranged on the upper cross beam, the strength tester is arranged between the operating platform and the upper cross beam and positioned at two sides of the pressure measuring device, the pressure measuring device comprises a press machine, a movable support plate, a pressure column, a pressure plate and a pressure measuring meter, the press machine is arranged on the upper cross beam, the movable support plate is arranged below the press machine, guide sliding blocks are arranged on two sides of the movable support plate and are arranged on the support columns in a sliding manner, the pressure column is arranged below the movable support plate, the pressing plate is arranged below the pressure column, a groove is formed in the pressing plate, and the pressure meter is arranged in the groove. The invention relates to the technical field of road construction detection, in particular to a highway subgrade pressure resistance testing device which is reasonable in structure, safe, efficient, simple and convenient to operate and high in measurement precision.
Description
Technical Field
The invention relates to the technical field of road construction detection, in particular to a highway subgrade pressure resistance testing device.
Background
The roadbed is the foundation of the road surface, the main function of the roadbed is to provide necessary conditions for pavement laying or driving operation, the roadbed needs to bear the static load and dynamic load of rolling stock or road surface and traffic load, and simultaneously, the load is transferred and diffused to the deep part of the foundation. At present, most of roadbed is made of cement concrete, and has the advantages of large bearing capacity, good stability, long service life, low daily maintenance cost and the like. But the advantages are all based on the premise that the engineering quality meets the design requirements. The engineering standard is low, the hidden quality danger exists, the service life of the highway can be reduced, great economic loss is caused, and adverse social effects are brought to society, particularly to the masses. Therefore the road bed need test its compressive property after the construction finishes to the road surface can reach the compressive strength of requirement, in road construction, is indispensable to the detection of road bed quality, along with road construction's continuous development, has appeared different types of road bed detection machine in the market, and traditional measuring device operating procedure is loaded down with trivial details, and the degree of difficulty is big, is difficult to satisfy road construction's user demand simultaneously. Therefore, it is necessary to design and produce a highway subgrade pressure resistance testing device with reasonable structure, safety, high efficiency, simple operation and high measurement precision.
Disclosure of Invention
Aiming at the situation, in order to overcome the current technical defects, the invention provides the highway subgrade pressure resistance testing device which is reasonable in structure, safe, efficient, simple and convenient to operate and high in measurement precision.
The technical scheme adopted by the invention is as follows: the utility model provides a highway subgrade compressive strength testing arrangement, includes support column, entablature, operation panel, pressure measurement device and strength tester, the support column top is located to the entablature, the middle part under the support column just is located between the support column is located to the operation panel, the pressure measurement device is located on the entablature, strength tester locates between operation panel and the entablature and is located the pressure measurement device both sides, the pressure measurement device includes press, activity extension board, pressure column, clamp plate and pressure meter, the press is located on the entablature, the activity extension board is located the press below, activity extension board both sides are equipped with the direction slider, the direction slider slides and locates on the support column, the pressure column is located activity extension board below, the pressure column below is located to the clamp plate, be equipped with the recess on the clamp plate, the pressure meter is located in the recess, strength tester includes lead screw, lead screw, The supporting cavity is arranged on the operating platform, the lead screw is rotatably arranged between the supporting cavity and the upper cross beam, the movable supporting plate is provided with a threaded hole, the lead screw is in threaded connection with the threaded hole, the lead screw is provided with a driving gear, the driving gear is located in the supporting cavity, the rotating shaft is rotatably arranged on one side wall of the supporting cavity, the rotating shaft is provided with a driven gear, the driving gear is meshed with the driven gear, a threaded column is arranged on the outer side of the supporting cavity, the threaded column is connected with the rotating shaft, and the sensing device is in threaded connection with the threaded column.
Further, induction system includes thread plate, hydraulic pressure regulation pole and pressure sensor, thread plate and screw thread post threaded connection, the hydraulic pressure is adjusted the pole and is equipped with two sets ofly, two sets ofly the hydraulic pressure is adjusted the pole symmetry and is located both ends about the thread plate, pressure sensor is equipped with two sets ofly, two sets ofly the pressure sensor symmetry is located on the hydraulic pressure adjusts the pole.
Further, the pressure sensor comprises a sensor probe, a support rod, a sheath and a spring, the sheath is arranged on the hydraulic adjusting rod, the support rod is arranged in the sheath in a sliding mode, the sensor probe is arranged at one end of the support rod, and the spring is sleeved on the support rod and located between the sensor probe and the sheath.
Further, the direction slider is equipped with two sets ofly, two sets of on the support column is located in the slip of direction slider, be equipped with high scale mark on the support column, be equipped with the observation hole on the direction slider, the observation hole both ends are equipped with the scale pointer, can observe pressure measurement device decline position through observing the hole and observing pointer and high scale mark, and the measurement condition of understanding highway subgrade test block that the cooperation pressure meter can be more accurate.
Furthermore, the pressure columns are provided with a plurality of groups, the pressure columns are symmetrically arranged below the movable support plate and connected with the pressing plate, and pressure can be more uniformly tested on the roadbed test block through the matching of the pressure columns and the pressing plate.
The invention with the structure has the following beneficial effects: compared with the traditional transfer device, the highway subgrade pressure resistance testing device has the advantages that: rational in infrastructure, safe high efficiency, easy and simple to handle, can be accurate carry out ressure measurement to highway subgrade test block through pressure measuring device, can be diversified detect highway subgrade test block through the strength tester, guaranteed the accuracy that detects.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of a device for testing the pressure resistance of a highway subgrade according to the present invention;
fig. 2 is an enlarged view of a portion a of fig. 1.
The device comprises a support column 1, a support column 2, an upper cross beam 3, an operation table 4, a pressure measuring device 5, an intensity tester 6, a press machine 7, a movable support plate 8, a pressure column 9, a pressure plate 10, a pressure measuring meter 11, a guide slide block 12, a groove 13, a lead screw 14, a support cavity 15, a rotating shaft 16, a sensing device 17, a threaded hole 18, a driving gear 19, a driven gear 20, a threaded column 21, a threaded plate 22, a hydraulic adjusting rod 23, a pressure sensor 24, a sensor probe 25, a support rod 26, a sheath 27, a spring 28, a height scale mark 29, an observation hole 30 and a highway subgrade test block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in FIGS. 1-2, the technical scheme adopted by the invention is as follows: the invention discloses a highway subgrade compressive strength testing device which comprises supporting columns 1, an upper cross beam 2, an operating platform 3, a pressure measuring device 4 and a strength tester 5, wherein the upper cross beam 2 is arranged above the supporting columns 1, the operating platform 3 is arranged between the supporting columns 1 and is positioned in the lower middle part of the supporting columns 1, the pressure measuring device 4 is arranged on the upper cross beam 2, the strength tester 5 is arranged between the operating platform 3 and the upper cross beam 2 and is positioned at two sides of the pressure measuring device 4, the pressure measuring device 4 comprises a press machine 6, a movable supporting plate 7, pressure columns 8, a pressure plate 9 and a pressure measuring meter 10, the press machine 6 is arranged on the upper cross beam 2, the movable supporting plate 7 is arranged below the press machine 6, guide sliding blocks 11 are arranged at two sides of the movable supporting plate 7, the guide sliding blocks 11 are arranged on the supporting columns 1 in a sliding manner, the pressure columns 8 are arranged below the movable supporting plate 7, the pressure plate 9 is arranged below the pressure columns 8, the pressure plate 9 is provided with a groove 12, the pressure measuring meter 10 is arranged in the groove 12, the strength tester 5 comprises a lead screw 13, a supporting cavity 14, a rotating shaft 15 and a sensing device 16, the supporting cavity 14 is arranged on the operating platform 3, the lead screw 13 is rotatably arranged between the supporting cavity 14 and the upper cross beam 2, the movable support plate 7 is provided with a threaded hole 17, the lead screw 13 is in threaded connection with the threaded hole 17, the lead screw 13 is provided with a driving gear 18, the driving gear 18 is positioned in the supporting cavity 14, the rotating shaft 15 is rotatably arranged on one side wall of the supporting cavity 14, the rotating shaft 15 is provided with a driven gear 19, the driving gear 18 is meshed with the driven gear 19, a threaded column 20 is arranged on the outer side of the supporting cavity 14, the threaded column 20 is connected with the rotating shaft 15, and the sensing device 16 is in threaded connection with the threaded column 20.
Specifically, induction system 16 includes threading board 21, hydraulic pressure regulation pole 22 and pressure sensor 23, threading board 21 and screw thread post 20 threaded connection, hydraulic pressure regulation pole 22 is equipped with two sets ofly, and two sets ofly hydraulic pressure regulation pole 22 symmetry is located threading board 21 upper and lower both ends, pressure sensor 23 is equipped with two sets ofly, and two sets ofly pressure sensor 23 symmetry is located on hydraulic pressure regulation pole 22. The pressure sensor 23 comprises a sensor probe 24, a support rod 25, a sheath 26 and a spring 27, the sheath 26 is arranged on the hydraulic adjusting rod 22, the support rod 25 is arranged in the sheath 26 in a sliding manner, the sensor probe 24 is arranged at one end of the support rod 25, and the spring 27 is sleeved on the support rod 25 and is positioned between the sensor probe 24 and the sheath 26. The direction slider 11 is equipped with two sets ofly, two sets of direction slider 11 slides and locates on support column 1, be equipped with height scale mark 28 on the support column 1, be equipped with observation hole 29 on the direction slider 11, it is equipped with the scale pointer to observe hole 29 both ends. Furthermore, the pressure columns 8 are provided with a plurality of groups, and the pressure columns 8 are symmetrically arranged below the movable support plate 7 and connected with the pressing plate 9.
When the highway subgrade test block pressing device is used in a specific mode, a highway subgrade test block 30 is placed on an operation table 3 initially in an unused state, a press machine 6 is started, the press machine 6 presses a movable support plate 7 downwards, the movable support plate 7 presses a pressing plate 9 to be right above the highway subgrade test block 30 through a pressure column 8, at the moment, a pressure meter 10 in a groove 12 is tightly attached to the highway subgrade test block 30, pressure data in the vertical direction are recorded, a hydraulic adjusting rod 22 is adjusted, a pressure sensor 23 corresponds to the side face of the highway subgrade test block 30, a screw rod 13 in threaded connection with a threaded hole 17 in the movable support plate 7 rotates along with the pressure meter in the process that the press machine 6 presses the movable support plate 7 downwards, the screw rod 13 drives a driving gear 18 to rotate, the driving gear 18 drives a driven gear 19 to rotate, the driven gear 19 drives a threaded column 20 to rotate, the threaded column 20 rotates to push a threaded plate 21 to the side face of the highway subgrade test block 30, and a sensor probe 24 is contacted with the highway subgrade test block 30, the pressure data of the pressure bearing in the horizontal direction is collected as the pressure plate 9 presses the highway subgrade test block 30 continuously, and the pressing position of the pressure measuring device 4 can be visually observed through the matching of the observation hole 29 in the guide slide block 11 and the height scale mark 28 in the process that the movable support plate 7 moves downwards.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a highway subgrade compressive strength testing arrangement which characterized in that: the device comprises support columns, an upper cross beam, an operating platform, a pressure measuring device and an intensity tester, wherein the upper cross beam is arranged above the support columns, the operating platform is arranged between the support columns and is positioned in the lower middle part of the support columns, the pressure measuring device is arranged on the upper cross beam, the intensity tester is arranged between the operating platform and the upper cross beam and is positioned on two sides of the pressure measuring device, the pressure measuring device comprises a press machine, a movable support plate, a pressure column, a pressure plate and a pressure meter, the press machine is arranged on the upper cross beam, the movable support plate is arranged below the press machine, two sides of the movable support plate are provided with guide sliders, the guide sliders are arranged on the support columns in a sliding manner, the pressure column is arranged below the movable support plate, the pressure plate is arranged below the pressure column, a groove is arranged on the pressure meter, the pressure meter is arranged in the groove, the intensity tester comprises a lead screw, a support cavity, a rotating shaft and an induction device, the supporting cavity is arranged on the operating platform, the lead screw is rotatably arranged between the supporting cavity and the upper cross beam, the movable supporting plate is provided with a threaded hole, the lead screw is in threaded connection with the threaded hole, the lead screw is provided with a driving gear, the driving gear is located in the supporting cavity, the rotating shaft is rotatably arranged on one side wall of the supporting cavity, the rotating shaft is provided with a driven gear, the driving gear is meshed with the driven gear, a threaded column is arranged on the outer side of the supporting cavity, the threaded column is connected with the rotating shaft, and the sensing device is in threaded connection with the threaded column.
2. The highway subgrade pressure resistance testing device according to claim 1, wherein: the induction device comprises a threaded plate, a hydraulic adjusting rod and pressure sensors, the threaded plate is in threaded connection with the threaded columns, the hydraulic adjusting rod is provided with two groups, the two groups of hydraulic adjusting rods are symmetrically arranged at the upper end and the lower end of the threaded plate, and the two groups of pressure sensors are symmetrically arranged on the hydraulic adjusting rod.
3. The highway subgrade pressure resistance testing device according to claim 2, wherein: the pressure sensor comprises a sensor probe, a support rod, a sheath and a spring, the sheath is arranged on the hydraulic adjusting rod, the support rod is arranged in the sheath in a sliding mode, the sensor probe is arranged at one end of the support rod, and the spring is sleeved on the support rod and located between the sensor probe and the sheath.
4. The highway subgrade pressure resistance testing device according to claim 1, wherein: the direction slider is equipped with two sets ofly, two sets of the direction slider slides and locates on the support column, be equipped with high scale mark on the support column, be equipped with the observation hole on the direction slider, the observation hole both ends are equipped with the scale pointer.
5. The highway subgrade pressure resistance testing device according to claim 1, wherein: the pressure columns are provided with a plurality of groups, and the pressure columns are symmetrically arranged below the movable support plate and connected with the pressing plate.
Priority Applications (1)
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CN202110497521.2A CN113203631A (en) | 2021-05-08 | 2021-05-08 | Highway subgrade compressive strength testing arrangement |
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CN202110497521.2A CN113203631A (en) | 2021-05-08 | 2021-05-08 | Highway subgrade compressive strength testing arrangement |
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CN202110497521.2A Pending CN113203631A (en) | 2021-05-08 | 2021-05-08 | Highway subgrade compressive strength testing arrangement |
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Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2001091427A (en) * | 1999-09-20 | 2001-04-06 | Toyo Seiki Seisakusho:Kk | Operation panel and tensile testing machine, compression testing machine or tensile/compression testing machine having it |
CN202614613U (en) * | 2012-04-16 | 2012-12-19 | 深圳出入境检验检疫局工业品检测技术中心 | Pressure resistant performance detection device |
CN104297085A (en) * | 2014-10-28 | 2015-01-21 | 合肥卓越分析仪器有限责任公司 | Digital display-type mold hardness measuring device |
CN107727507A (en) * | 2017-11-28 | 2018-02-23 | 佛山市达普光机电科技有限公司 | A kind of build concrete detection means |
CN208999221U (en) * | 2018-10-15 | 2019-06-18 | 重庆科技学院 | A kind of detection device of wall bearing strength |
CN209342538U (en) * | 2018-12-06 | 2019-09-03 | 北海归园农业技术有限公司 | A kind of wet packet jackfruit maturation detection bar |
CN209542610U (en) * | 2019-03-13 | 2019-10-25 | 彭佳 | A kind of water content testing device of soil profile |
CN209624223U (en) * | 2019-03-05 | 2019-11-12 | 许昌市建设工程质量检测站 | Concrete test block pressure-detecting device |
CN209707291U (en) * | 2019-03-13 | 2019-11-29 | 南京邮电大学 | A kind of soft material hardness measuring device |
CN210071509U (en) * | 2019-05-13 | 2020-02-14 | 高邮市锐意炉衬材料有限公司 | Accurate compression testing machine of location for production of furnace lining material |
CN210128903U (en) * | 2019-06-24 | 2020-03-06 | 潘杰 | Highway engineering compression test device |
CN210863395U (en) * | 2019-07-10 | 2020-06-26 | 山东省建设建工工程质量检测有限公司 | Concrete quality detects uses intensity detection device |
-
2021
- 2021-05-08 CN CN202110497521.2A patent/CN113203631A/en active Pending
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001091427A (en) * | 1999-09-20 | 2001-04-06 | Toyo Seiki Seisakusho:Kk | Operation panel and tensile testing machine, compression testing machine or tensile/compression testing machine having it |
CN202614613U (en) * | 2012-04-16 | 2012-12-19 | 深圳出入境检验检疫局工业品检测技术中心 | Pressure resistant performance detection device |
CN104297085A (en) * | 2014-10-28 | 2015-01-21 | 合肥卓越分析仪器有限责任公司 | Digital display-type mold hardness measuring device |
CN107727507A (en) * | 2017-11-28 | 2018-02-23 | 佛山市达普光机电科技有限公司 | A kind of build concrete detection means |
CN208999221U (en) * | 2018-10-15 | 2019-06-18 | 重庆科技学院 | A kind of detection device of wall bearing strength |
CN209342538U (en) * | 2018-12-06 | 2019-09-03 | 北海归园农业技术有限公司 | A kind of wet packet jackfruit maturation detection bar |
CN209624223U (en) * | 2019-03-05 | 2019-11-12 | 许昌市建设工程质量检测站 | Concrete test block pressure-detecting device |
CN209542610U (en) * | 2019-03-13 | 2019-10-25 | 彭佳 | A kind of water content testing device of soil profile |
CN209707291U (en) * | 2019-03-13 | 2019-11-29 | 南京邮电大学 | A kind of soft material hardness measuring device |
CN210071509U (en) * | 2019-05-13 | 2020-02-14 | 高邮市锐意炉衬材料有限公司 | Accurate compression testing machine of location for production of furnace lining material |
CN210128903U (en) * | 2019-06-24 | 2020-03-06 | 潘杰 | Highway engineering compression test device |
CN210863395U (en) * | 2019-07-10 | 2020-06-26 | 山东省建设建工工程质量检测有限公司 | Concrete quality detects uses intensity detection device |
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Application publication date: 20210803 |