CN110608718A - Foundation bed vibration ramming elevation measurement and control system and foundation bed elevation measurement method thereof - Google Patents
Foundation bed vibration ramming elevation measurement and control system and foundation bed elevation measurement method thereof Download PDFInfo
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- CN110608718A CN110608718A CN201910054163.0A CN201910054163A CN110608718A CN 110608718 A CN110608718 A CN 110608718A CN 201910054163 A CN201910054163 A CN 201910054163A CN 110608718 A CN110608718 A CN 110608718A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
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Abstract
The invention provides a foundation bed vibration tamping elevation measurement and control system and a foundation bed elevation measurement method thereof, belonging to the technical field of underwater foundation bed construction. The measurement and control system comprises a sonar detector, a detection plate serving as a detection target of the sonar detector, an elevation measuring instrument used for acquiring the elevation of the sonar detector, and a data collecting and processing device; sonar detector fixed mounting in the direction steel pipe, probe plate fixed mounting in the vibratory hammer, elevation measuring instrument fixed mounting in the direction steel pipe, data collection and processing apparatus and sonar detector and the equal electricity of elevation measuring instrument are connected.
Description
Technical Field
The invention belongs to the technical field of underwater foundation bed construction, and particularly relates to a foundation bed vibrating ramming elevation measurement and control system and a foundation bed elevation measurement method thereof.
Background
When the underwater foundation bed is constructed, in order to ensure the leveling of the foundation bed, a vibratory ramming leveling device is generally needed to level the underwater rubble foundation bed.
Under the operating mode of the super large depth of water, satisfy the required amplitude requirement of vibrating structure in order to guarantee the weight of participating in the vibration, the applicant has proposed application number 201822164279.3 to the national intellectual property office, the utility model discloses a patent application of name "vibration ramming flattening structure and levelling equipment", its vibration ramming flattening structure of disclosing includes the bobbing hammer, and can drive the bobbing hammer along the perpendicular to treat that the planar direction of ramming is reciprocating motion's direction steel pipe, the bobbing hammer top is located to the direction steel pipe, the bobbing hammer includes the vibration steel pipe of hammer block and fixed mounting in the hammer block top, the vibration steel pipe lateral wall is fixed with protruding structure, the vibration steel pipe cover is located in the direction steel pipe and with the coaxial setting of direction steel pipe, be equipped with the restraint groove that holds protruding structure on the direction steel pipe, protruding structure can be along direction steel pipe reciprocating motion direction in the restraint inslot. This kind of novel vibration ramming leveling equipment that bobbing and direction steel pipe components of a whole that can function independently set up, its direction steel pipe does not participate in the vibration, when being applied to deep water foundation bed flattening construction operation, the increase of direction steel pipe can not lead to the weight increase that this structure participated in the vibration, can guarantee that the weight of participating in the vibration satisfies the required amplitude requirement of vibrating structure.
At present, the common measurement and control method for the foundation bed vibration leveling elevation mainly measures the sinking distance of a guide steel pipe through a GPS, a total station and the like, and then converts to obtain the foundation bed elevation. However, in the novel vibration tamping and leveling device, the guide steel pipe does not participate in vibration, and only the vibration hammer positioned under water participates in vibration, so that the conventional foundation bed vibration tamping elevation measurement and control system cannot measure and control the foundation bed elevation.
Therefore, how to provide a foundation bed vibration tamping elevation measurement and control system which can be suitable for the novel vibration tamping leveling equipment is a technical problem in the popularization and use process of the novel vibration tamping leveling equipment.
Disclosure of Invention
The invention provides a foundation bed vibration tamping elevation measurement and control system and a foundation bed elevation measurement method thereof, aiming at the technical problems.
In order to achieve the purpose, the invention adopts the technical scheme that:
the invention provides a foundation bed vibration ramming elevation measurement and control system which is arranged on a leveling ship provided with vibration ramming leveling equipment, wherein a vibration hammer of the vibration ramming leveling equipment and a guide steel pipe are arranged in a split manner; the measurement and control system comprises a sonar detector, a detection plate serving as a detection target of the sonar detector, an elevation measuring instrument used for acquiring the elevation of the sonar detector, and a data collecting and processing device; sonar detector fixed mounting in the direction steel pipe, probe plate fixed mounting in the vibratory hammer, elevation measuring instrument fixed mounting in the direction steel pipe, data collection and processing apparatus and sonar detector and the equal electricity of elevation measuring instrument are connected.
Preferably, the sonar detector is close to the bottom of direction steel pipe and sets up, the probe plate is close to the top of vibratory hammer sets up, and the sonar detector just sets up with the probe plate.
Preferably, the sonar detector is an active sonar detector, and the detection plate is made of a material capable of reflecting acoustic wave signals.
Preferably, the elevation measuring instrument is fixedly installed at the top end of the guide steel pipe.
Preferably, the elevation measurement instrument is a GPS locator or a Beidou locator.
Preferably, the foundation bed vibration leveling elevation measurement and control system further comprises an attitude instrument fixedly installed on the guide steel pipe, and the attitude instrument is electrically connected with the data collecting and processing device.
The invention also provides a foundation bed elevation measurement method of the foundation bed vibration leveling elevation measurement and control system in any technical scheme, which comprises the following steps:
utilizing the elevation measuring instrument to obtain the elevation H of the sonar detector, and utilizing the sonar detector to detect the vertical distance H between the sonar detector and the detection plate in real timetCollecting data of the elevation measuring instrument and the sonar detector by using the data collecting and processing device, taking the vibration period of the vibration hammer as a measuring period, and processing the data by using a formula (1) to calculate and obtain the real-time bedheight H corresponding to each measuring periodJ(T), the expression of equation (1) is as follows:
HJ(T)＝H-h0-hT (1)
in the formula (1), HJ(T) is the real-time bedding elevation corresponding to the Tth measurement period, H is the elevation of the sonar detector, and H is0Is the vertical distance h between the probe plate and the bottom surface of the vibratory hammerTThe maximum vertical distance between the sonar detector and the detection plate in the Tth measurement period.
Compared with the prior art, the invention has the advantages and beneficial effects that:
1. in the foundation bed vibration ramming elevation measurement and control system provided by the invention, the detection plate moves up and down along with the vibration of the vibration hammer, the arranged sonar detector can detect the vertical distance change between the detection plate and the sonar detector in real time, so that the sinking distance of the vibration hammer is monitored in real time, the arranged elevation measurement instrument can acquire the elevation of the sonar detector, the arranged data collecting and processing device can collect elevation data measured by the elevation measurement instrument and collect the measurement data of the sonar detector in real time, the real-time elevation of the foundation bed can be obtained through data processing and conversion, the foundation bed elevation measurement and control of the novel vibration ramming leveling equipment with the vibration hammer and the guide steel pipe arranged in a split manner are realized, and the measurement and control accuracy is high;
2. in the foundation bed vibration ramming elevation measurement and control system provided by the invention, the sonar detector is arranged on the guide steel pipe which does not participate in vibration, is not influenced by vibration, is favorable for ensuring the accuracy of measurement and control, and is not easy to damage the sonar detector;
3. according to the foundation bed vibration ramming elevation measurement and control system provided by the invention, the elevation measurement data is corrected through the arranged attitude instrument, the elevation measurement deviation caused by the inclination of the leveling ship can be eliminated, and the measurement and control accuracy is favorably ensured.
Drawings
Fig. 1 is a schematic structural diagram of a foundation bed vibratory ramming elevation measurement and control system according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a foundation bed elevation measurement and control system for vibrating and leveling a foundation bed according to an embodiment of the present invention;
in the above figures: 1. leveling the ship; 2. guiding a steel pipe; 3. a vibratory hammer; 4. a sonar detector; 5. a detection plate; 6. an elevation measuring instrument; 7. a data collection and processing device; 8. an attitude instrument.
Detailed Description
The invention is described in detail below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.
In the description of the present invention, it should be noted that the terms "top", "bottom", etc. indicate orientations or positional relationships based on the positional relationship shown in fig. 1 only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
As shown in fig. 1 and fig. 2, the embodiment of the present invention relates to a foundation bed vibration ramming elevation measurement and control system, which is installed on a leveling ship 1 provided with vibration ramming leveling equipment, a vibration hammer 3 of the vibration ramming leveling equipment is arranged separately from a guide steel pipe 2, and the measurement and control system comprises a sonar detector 4, a detection plate 5 as a detection target of the sonar detector 4, an elevation measurement instrument 6 for obtaining the elevation of the sonar detector 4, and a data collection and processing device 7; sonar detector 4 fixed mounting is in direction steel pipe 2, and detecting plate 5 fixed mounting is in vibratory hammer 3, and elevation measuring instrument 6 fixed mounting is in direction steel pipe 2, and data collection and processing apparatus 7 is connected with sonar detector 4 and elevation measuring instrument 6 electricity all to collect measured data and carry out data processing.
Among the above-mentioned bed vibration ramming elevation system of observing and controling, detecting plate 5 reciprocates along with the vibration of bobbing 3, the vertical distance change between detecting plate 5 and the sonar detection ware 4 can be surveyed in real time to sonar detection ware 4 that sets up, thereby real-time supervision bobbing 3's the distance of sinking, the elevation that set up can acquire sonar detection ware 4 can be measured to altitude measurement ware 6, the data collection and the processing apparatus 7 that set up can collect the elevation data that elevation measurement ware 6 measured, and collect sonar detection ware 4's measured data in real time, and then can convert the real-time elevation that obtains the bed through data processing, the bed that has realized the novel vibration ramming leveling equipment that bobbing 3 and direction steel pipe 2 components of a whole that can function independently set up observes and controls, and observe and control the degree of accuracy height. Simultaneously, among the above-mentioned foundation bed vibratory ramming elevation observing and controlling system, sonar detection ware 4 is installed in the direction steel pipe 2 that does not participate in the vibration, does not receive the vibration influence, is favorable to guaranteeing the degree of accuracy of observing and controling, and is difficult for causing sonar detection ware 4's damage.
As for the sonar detector 4, it should be noted that the sonar detector 4 used in this embodiment is an active sonar detector, which can actively emit sound waves to irradiate a detection target, and can receive echoes reflected by the target to measure the target azimuth and distance. When sonar detector 4 is initiative sonar detector, detecting plate 5 is the acoustics reflecting plate, adopts the material preparation of the reflectable sound wave signal, for example: glass, metal, concrete, or the like.
In order to improve sonar detector 4's the detection degree of accuracy, as an optimization, sonar detector 4 is close to the bottom setting of direction steel pipe 2, and detecting plate 5 is close to the top setting of vibratory hammer 3, and sonar detector 4 is just to setting up with detecting plate 5. Set up sonar detection ware 4 like this and survey board 5, make sonar detection ware 4 and survey board 5 and be close to as far as possible, be favorable to improving and survey the degree of accuracy.
For the elevation measurement instrument 6, it should be noted that the elevation measurement instrument 6 is a GPS locator or a beidou locator. Adopt GPS locater or big dipper locater as elevation measuring instrument 6, can be at marine accurate survey elevation, can also be used for the plane location of flattening ship 1 simultaneously. For convenience of elevation conversion, it is preferable that the elevation measuring instrument 6 is fixedly installed at the top end of the guide steel pipe 2. Set up elevation measuring instrument 6 like this, only need sonar detection ware 4 and the 2 distance data between the top of direction steel pipe, can convert out sonar detection ware 4 height.
For the data collecting and processing device 7, it should be noted that the data collecting and processing device 7 adopted in this embodiment is specifically a microcomputer, the measurement data is received by a software program installed on the microcomputer and matched with the sonar detector 4 and the elevation measuring instrument 6, and the bed elevation is obtained by conversion through a set calculation formula, and this software program can be completed by using an existing programming program known to those skilled in the art, and the software program is not described herein.
The leveling vessel 1 may be inclined under the influence of sea storms, and in order to eliminate elevation measurement deviation caused by inclination of the leveling vessel 1, as an optimal selection, the foundation bed vibration leveling elevation measurement and control system further comprises an attitude instrument 8 fixedly installed on the guide steel pipe 2, and the attitude instrument 8 is electrically connected with the data collecting and processing device 7 so as to output measurement data to the data collecting and processing device 7. The included angle between the extending direction of the guide steel pipe 2 and the vertical direction can be measured through the arranged attitude instrument 8, so that real bed elevation data can be obtained through conversion, and correction of elevation measurement data is achieved. It should be noted that the attitude indicator 8 is a conventional instrument in the art, and a method for correcting the elevation measurement data by using the attitude indicator 8 is well known to those skilled in the art and will not be described herein.
As shown in fig. 2, an embodiment of the present invention further provides a method for measuring a foundation bed elevation of the foundation bed vibroramming elevation measurement and control system, including:
the elevation measuring instrument 6 is used for acquiring the elevation H of the sonar detector, and the sonar detector 4 is used for real-time acquisitionDetect vertical distance h between sonar detector 4 and detection board 5tThe data collecting and processing device 7 is used for collecting data of the elevation measuring instrument 6 and the sonar detector 4, the vibration period of the vibration hammer 3 is used as the measuring period, and the formula (1) is used for processing the data to calculate and obtain the real-time bedheight H corresponding to each measuring periodJ(T), the expression of equation (1) is as follows:
HJ(T)＝H-h0-hT (1)
in the formula (1), HJ(T) is the real-time bedding elevation corresponding to the Tth measurement period, H is the elevation of the sonar detector, and H is0For detecting the vertical distance, h, between the plate 5 and the bottom surface of the vibratory hammer 3TThe maximum vertical distance between the sonar detector 4 and the detection plate 5 in the Tth measurement period.
It should be noted that, when the elevation measuring instrument 6 is fixedly installed at the top end of the guide steel pipe 2, the elevation H of the sonar detector is calculated by using the formula (2), and the expression of the formula (2) is as follows:
H＝Hc-h1 (2)
in the formula (2), HcMeasured values of the elevation measuring instrument 6, h1Is the vertical distance between the sonar detector 4 and the top end of the guide steel pipe 2.
Claims (7)
1. The foundation bed vibration ramming elevation measurement and control system is arranged on a leveling ship (1) provided with vibration ramming leveling equipment, and a vibration hammer (3) of the vibration ramming leveling equipment and a guide steel pipe (2) are arranged in a split manner; the method is characterized in that: the measurement and control system comprises a sonar detector (4), a detection plate (5) used as a detection target of the sonar detector (4), an elevation measuring instrument (6) used for acquiring the elevation of the sonar detector (4), and a data collecting and processing device (7); sonar detector (4) fixed mounting in direction steel pipe (2), probe plate (5) fixed mounting in vibrohammer (3), elevation measurement instrument (6) fixed mounting in direction steel pipe (2), data acquisition and processing apparatus (7) are all connected with sonar detector (4) and elevation measurement instrument (6) electricity.
2. The foundation bed vibratory ramming elevation measurement and control system of claim 1, wherein: sonar detector (4) are close to the bottom setting of direction steel pipe (2), exploration plate (5) are close to the top setting of bobbing hammer (3), just sonar detector (4) are just to setting up with exploration plate (5).
3. The foundation bed vibratory ramming elevation measurement and control system of claim 1 or 2, wherein: the sonar detector (4) is an active sonar detector, and the detection plate (5) is made of a material capable of reflecting sound wave signals.
4. The foundation bed vibratory ramming elevation measurement and control system of claim 1, wherein: the elevation measuring instrument (6) is fixedly arranged at the top end of the guide steel pipe (2).
5. The foundation bed vibratory ramming elevation measurement and control system of claim 1 or 4, wherein: the elevation measuring instrument (6) is a GPS (global positioning system) locator or a Beidou locator.
6. The foundation bed vibratory ramming elevation measurement and control system of claim 1, wherein: the foundation bed vibration ramming elevation measurement and control system further comprises an attitude instrument (8) fixedly installed on the guide steel pipe (2), and the attitude instrument (8) is electrically connected with the data collecting and processing device (7).
7. The method for measuring the elevation of a foundation bed of the foundation bed vibratory ramming elevation measurement and control system of any one of claims 1-6, comprising:
utilizing the elevation measuring instrument (6) to obtain the elevation H of the sonar detector, and utilizing the sonar detector (4) to detect the vertical distance H between the sonar detector (4) and the detection plate (5) in real timetCollecting data of the elevation measuring instrument (6) and the sonar detector (4) by using the data collecting and processing device (7), taking the vibration period of the vibration hammer (3) as a measurement period, and performing data processing by using a formula (1) to calculate and obtain data corresponding to each measurement periodReal-time bed elevation HJ(T), the expression of equation (1) is as follows:
HJ(T)＝H-h0-hT (1)
in the formula (1), HJ(T) is the real-time bedding elevation corresponding to the Tth measurement period, H is the elevation of the sonar detector, and H is0Is the vertical distance h between the detection plate (5) and the bottom surface of the vibration hammer (3)TThe maximum vertical distance between the sonar detector (4) and the detection plate (5) in the Tth measurement period.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111749285A (en) * | 2020-05-11 | 2020-10-09 | 李佳斌 | Automatic monitoring device for penetration degree and pile top elevation of hammering sinking pile |
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| CN111749285A (en) * | 2020-05-11 | 2020-10-09 | 李佳斌 | Automatic monitoring device for penetration degree and pile top elevation of hammering sinking pile |
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