CN110658075A - Roadbed compactness detection device - Google Patents
Roadbed compactness detection device Download PDFInfo
- Publication number
- CN110658075A CN110658075A CN201910901243.5A CN201910901243A CN110658075A CN 110658075 A CN110658075 A CN 110658075A CN 201910901243 A CN201910901243 A CN 201910901243A CN 110658075 A CN110658075 A CN 110658075A
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- CN
- China
- Prior art keywords
- roadbed
- pressure
- hydraulic cylinder
- pressure signal
- signal collector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D1/00—Investigation of foundation soil in situ
- E02D1/08—Investigation of foundation soil in situ after finishing the foundation structure
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
-
- 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
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
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- 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
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- 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
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- 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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- 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
- G01N2203/0682—Spatial dimension, e.g. length, area, angle
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Immunology (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Pathology (AREA)
- Health & Medical Sciences (AREA)
- Soil Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a roadbed compactness detection device which comprises an engineering truck and a lifting device, wherein the lifting device is arranged on the engineering truck, a hydraulic cylinder is vertically and downwards fixedly arranged on the lifting device, a roadbed pressure head is fixedly arranged at the end part of a piston rod of the hydraulic cylinder, a pressure sensor is arranged at the upper end of the hydraulic cylinder, and the pressure sensor is connected with a pressure signal collector through a signal transmission cable. The pressure signal collector collects pressure data borne by the hydraulic cylinder for statistics; starting a hydraulic cylinder to apply pressure to the roadbed, observing the sinking degree of the roadbed, and observing pressure data acquired by a pressure signal acquisition unit; and performing table statistics on the collected sinking size and the pressure data collected by the pressure signal collector, and calculating the density of the roadbed. The invention is operated by the engineering truck, has large force, quick movement detection, time and labor saving and convenient use, improves the working efficiency and has the value of popularization and application.
Description
Technical Field
The invention relates to the technical field of buildings, in particular to a roadbed compactness detection device.
Background
The roadbed is a foundation of a track or a road surface and is an earth structure formed by excavation or filling. The roadbed mainly has the functions of providing necessary conditions for track or road surface laying and train or traveling operation, bearing static load and dynamic load of track and locomotive vehicle or road surface and traffic load, and transmitting and diffusing the load to the deep part of the foundation. On the longitudinal section, the roadbed must ensure the required elevation of the line; on the plane, the roadbed, the bridge and the tunnel are connected to form a complete through line. In civil engineering, the subgrade occupies an important position in the aspects of construction quantity, floor area and investment. The detection device in the prior art is not quick, and has low detection efficiency, so that an improvement space exists.
Disclosure of Invention
The present invention has been made to solve the above problems, and an object of the present invention is to provide a roadbed compactibility detection apparatus.
The invention realizes the purpose through the following technical scheme:
the invention comprises an engineering truck and a lifting device, wherein the lifting device is arranged on the engineering truck, and is characterized in that: the lifting device is vertically and downwards fixedly provided with a hydraulic cylinder, the end part of a piston rod of the hydraulic cylinder is fixedly provided with a roadbed pressure head, the upper end of the hydraulic cylinder is provided with a pressure sensor, and the pressure sensor is connected with a pressure signal collector through a signal transmission cable.
The detection method of the roadbed compaction degree comprises the following steps:
(1) the pressure signal collector collects pressure data borne by the hydraulic cylinder for statistics;
(2) adjusting the lifting device to the upper and lower positions, and adjusting the hydraulic cylinder to the position where the roadbed pressure head contacts the roadbed;
(3) starting a hydraulic cylinder to apply pressure to the roadbed, observing the sinking degree of the roadbed, and observing pressure data acquired by a pressure signal acquisition unit;
(4) and performing table statistics on the collected sinking size and the pressure data collected by the pressure signal collector, and then calculating the density of the roadbed according to the pressing size of the roadbed pressing head and the force collected by the pressure signal collector.
The invention has the beneficial effects that:
compared with the prior art, the roadbed compactness detection device is operated by the engineering truck, has high force, is quick in movement detection, saves time and labor, is convenient to use, improves the working efficiency, and has popularization and application values.
Drawings
Fig. 1 is a schematic structural view of the present invention.
In the figure: the device comprises an engineering vehicle 1, a lifting device 2, a hydraulic cylinder 3, a piston rod 4, a roadbed pressure head 5, a pressure sensor 6, a signal transmission cable 7 and a pressure signal collector 8.
Detailed Description
The invention will be further described with reference to the accompanying drawings in which:
as shown in fig. 1: the invention comprises an engineering truck and a lifting device, wherein the lifting device is arranged on the engineering truck, and is characterized in that: the lifting device is vertically and downwards fixedly provided with a hydraulic cylinder, the end part of a piston rod of the hydraulic cylinder is fixedly provided with a roadbed pressure head, the upper end of the hydraulic cylinder is provided with a pressure sensor, and the pressure sensor is connected with a pressure signal collector through a signal transmission cable.
The detection method of the roadbed compaction degree comprises the following steps:
(1) the pressure signal collector collects pressure data borne by the hydraulic cylinder for statistics;
(2) adjusting the lifting device to the upper and lower positions, and adjusting the hydraulic cylinder to the position where the roadbed pressure head contacts the roadbed;
(3) starting a hydraulic cylinder to apply pressure to the roadbed, observing the sinking degree of the roadbed, and observing pressure data acquired by a pressure signal acquisition unit;
(4) and performing table statistics on the collected sinking size and the pressure data collected by the pressure signal collector, and then calculating the density of the roadbed according to the pressing size of the roadbed pressing head and the force collected by the pressure signal collector.
The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (2)
1. The utility model provides a road bed compactness detection device, includes machineshop car and elevating gear, elevating gear set up in on the machineshop car, its characterized in that: the lifting device is vertically and downwards fixedly provided with a hydraulic cylinder, the end part of a piston rod of the hydraulic cylinder is fixedly provided with a roadbed pressure head, the upper end of the hydraulic cylinder is provided with a pressure sensor, and the pressure sensor is connected with a pressure signal collector through a signal transmission cable.
2. The roadbed compactness detecting device of claim 1, wherein: the detection method of the roadbed compactness comprises the following steps:
(1) the pressure signal collector collects pressure data borne by the hydraulic cylinder for statistics;
(2) adjusting the lifting device to the upper and lower positions, and adjusting the hydraulic cylinder to the position where the roadbed pressure head contacts the roadbed;
(3) starting a hydraulic cylinder to apply pressure to the roadbed, observing the sinking degree of the roadbed, and observing pressure data acquired by a pressure signal acquisition unit;
(4) and performing table statistics on the collected sinking size and the pressure data collected by the pressure signal collector, and then calculating the density of the roadbed according to the pressing size of the roadbed pressing head and the force collected by the pressure signal collector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910901243.5A CN110658075A (en) | 2019-09-23 | 2019-09-23 | Roadbed compactness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910901243.5A CN110658075A (en) | 2019-09-23 | 2019-09-23 | Roadbed compactness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110658075A true CN110658075A (en) | 2020-01-07 |
Family
ID=69039073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910901243.5A Withdrawn CN110658075A (en) | 2019-09-23 | 2019-09-23 | Roadbed compactness detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110658075A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116609199A (en) * | 2023-07-11 | 2023-08-18 | 济南荣耀合创电力科技有限公司 | Withstand voltage test device for power cable |
| CN116793864A (en) * | 2023-06-27 | 2023-09-22 | 郑晓明 | Roadbed compactness detection method for road detection |
-
2019
- 2019-09-23 CN CN201910901243.5A patent/CN110658075A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116793864A (en) * | 2023-06-27 | 2023-09-22 | 郑晓明 | Roadbed compactness detection method for road detection |
| CN116793864B (en) * | 2023-06-27 | 2024-04-02 | 郑晓明 | Roadbed compactness detection method for road detection |
| CN116609199A (en) * | 2023-07-11 | 2023-08-18 | 济南荣耀合创电力科技有限公司 | Withstand voltage test device for power cable |
| CN116609199B (en) * | 2023-07-11 | 2024-04-09 | 济南荣耀合创电力科技有限公司 | Withstand voltage test device for power cable |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200107 |