CN114216397A - Earth backfill elevation measuring device suitable for jumbo size foundation ditch or slot - Google Patents
Earth backfill elevation measuring device suitable for jumbo size foundation ditch or slot Download PDFInfo
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- CN114216397A CN114216397A CN202111494287.4A CN202111494287A CN114216397A CN 114216397 A CN114216397 A CN 114216397A CN 202111494287 A CN202111494287 A CN 202111494287A CN 114216397 A CN114216397 A CN 114216397A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
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Abstract
The invention discloses an earthwork backfill elevation measuring device suitable for a large-size foundation pit or a groove, which comprises a base, the lower surface of the base is provided with a plurality of fixed cones and also comprises a laser indicator, the upper surface of the base is fixedly provided with an upright post, the upright post is sleeved with a sleeve, a top plate is fixedly arranged on the sleeve, a photosensitive sensor is fixedly arranged on the upper end surface of the upright post, the upper surface of the base is fixedly provided with a distance measuring sensor, the upper surface of the base is fixedly provided with a stepping motor, a first conical gear is fixedly arranged on a rotating shaft of the stepping motor, a second conical gear is fixedly arranged on a transmission shaft, the first conical gear is meshed with the second conical gear, the upper end of the transmission shaft is fixedly connected with a screw rod, and a nut seat is arranged on the screw rod, and the side surface of the nut seat is fixedly connected with the side surface of the sleeve through a connecting rod. The invention has the advantages of being suitable for measuring environments with larger foundation pits or grooves and simple and practical measuring process.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to an earthwork backfill elevation measuring device suitable for a large-size foundation pit or a groove.
Background
The backfilling refers to returning filled soil after completing foundation and other ground engineering in engineering construction. In order to ensure that the problems of settlement cracks and the like do not occur after backfilling construction, engineering personnel must accurately master the backfilling elevation before backfilling, so that the backfilling amount of earthwork is accurately calculated, and the problem of uneven bottom surface caused by too much or too little earthwork is avoided. The backfill elevation is obtained by subtracting the road structure height from the engineering bottom height according to the engineering bottom height, so that the determination of the engineering bottom height is the basis for determining the backfill elevation determination, in the existing construction process, engineering personnel generally measure the earthwork backfill elevation of a road surface, a foundation pit and other objects needing to be backfilled in a manual mode, the process is complicated, the measurement precision of the method is easily influenced by human factors, the measurement result is inaccurate, and higher construction requirements cannot be met.
In order to solve the problems, a device for automatically measuring the elevation is designed by the technical personnel in the field, the device is generally arranged at an opening of a foundation pit or a groove, and the elevation of earth backfill is measured in an optical distance measuring mode, so that the problems that the manual measuring process is complicated, and the measuring precision is easily interfered by considered factors are solved; however, when the trench excavated by foundation pit or pavement construction is too large, the existing automatic measuring device has great difficulty in fixed installation, and cannot meet the measurement of the earth backfill elevation of the large foundation pit or the large trench.
Disclosure of Invention
The invention aims to solve the problems and designs an earth backfill elevation measuring device suitable for a large-size foundation pit or a groove.
An earthwork backfill elevation measuring device suitable for a large-size foundation pit or a groove comprises a base, a plurality of fixed cones are arranged on the lower surface of the base, the earthwork backfill elevation measuring device also comprises a laser indicator, the laser indicator is positioned above the base, a light beam emitted by the laser indicator is parallel to the upper surface of the base,
the device comprises a base, a top plate, a photosensitive sensor, a control terminal and a stand column, wherein the stand column is fixedly arranged on the upper surface of the base, is vertical to the upper surface of the base and is positioned in the center of the upper surface of the base;
the upper surface of the base is fixedly provided with a ranging sensor, the ranging sensor is connected with the mobile terminal through a wireless communication module, the ranging sensor upwards faces the lower surface of the top plate, the ranging sensor is embedded in the base, the top surface of the ranging sensor is flush with the upper surface of the base, the ranging sensor measures the distance between the lower surface of the top plate and the upper surface of the base, and the ranging sensor is positioned on one side of the upright post;
a motor mounting frame is fixedly mounted on the upper surface of the base, a stepping motor is fixedly mounted on the motor mounting frame, a rotating shaft of the stepping motor is parallel to the upper surface of the base, a first conical gear is fixedly mounted on the rotating shaft of the stepping motor, a bearing seat is also fixedly mounted on the upper surface of the base and positioned between the conical gear and the upright column, a transmission shaft is mounted on the bearing seat and parallel to the upright column, a second conical gear is fixedly mounted on the transmission shaft and meshed with the second conical gear, a lead screw is fixedly connected to the upper end of the transmission shaft, the central line of the lead screw and the central line of the transmission shaft are positioned on a straight line, a nut seat is mounted on the lead screw, the side surface of the nut seat is fixedly connected with the side surface of the sleeve through a connecting rod, and the stepping motor is connected with a control terminal through an encoder, the control terminal controls the revolution of the stepping motor through the encoder.
The laser pointer is positioned above the top plate, and the photosensitive sensor is ensured to receive the light beam of the laser pointer when the top plate is lifted to the height of the laser pointer.
The top end of the screw rod is provided with a limiting plate which is a circular plate, and the diameter of the limiting plate is twice of that of the screw rod.
The rotating shaft of the stepping motor points to the upright post, and the stepping motor, the bearing seat and the upright post are arranged on the same straight line.
The upper surface of base is gone up fixed mounting transparent protection casing, range sensor is detained to the protection casing.
The sleeve is a round pipe with a sealed top end and an open bottom end.
The fixed cone comprises an upright post and a conical head fixedly installed on the lower surface of the upright post, and the upper end of the cylinder is fixedly connected with the lower surface of the base.
The quantity of fixed awl is five, and one of them fixed awl is installed in the center department of base lower surface, and remaining four fixed awl are installed respectively in the four corners department of base lower surface.
The base is a rectangular plate-shaped structure, and a plurality of balancing weights can be fixedly installed on the side surface of the base through screws.
Advantageous effects
The earthwork backfill elevation measuring device manufactured by the technical scheme of the invention and suitable for large-size foundation pits or grooves has the following advantages:
1. the device replaces the original mode of mounting the device at the opening of the foundation pit or the groove by mounting the device at the bottom of the foundation pit or the groove, thereby avoiding the technical problem that the device is inconvenient to fix and mount when the foundation pit or the groove is too large, and ensuring the measurement of the earthwork backfill standard height of the large foundation pit or the large groove;
2. the device realizes the function of automatically measuring the bottom height of the project by matching the structures such as the optical distance meter, the stepping motor and the like, does not need manual measurement, eliminates the influence of human factors on the measurement result to the maximum extent, and ensures the measurement accuracy;
3. this device structural design is simple, and the low in manufacturing cost of production has stronger practicality and market competition, but wide application in the measurement of the earthwork backfill standard height of different engineering.
Drawings
FIG. 1 is a schematic structural diagram of the earth backfill elevation measuring device suitable for large-size foundation pits or grooves;
FIG. 2 is a schematic view of the structure of the lower surface of the base of the present invention;
in the figure, 1, a base; 2. a fixed cone; 3. a laser pointer; 4. a column; 5. a sleeve; 6. a top plate; 7. a photosensitive sensor; 8. a ranging sensor; 9. a motor mounting bracket; 10. a stepping motor; 11. a first conical gear; 12. a bearing seat; 13. a drive shaft; 14. a second bevel gear; 15. a screw rod; 16. a nut seat; 17. a connecting rod; 18. and a limiting plate.
Detailed Description
The invention is described in detail below with reference to the drawings, as shown in FIGS. 1-2;
the device is characterized in that a stand column 4 is fixedly installed on the upper surface of a base, the stand column is perpendicular to the upper surface of the base and is located in the center of the upper surface of the base, a sleeve 5 is sleeved on the stand column, a top plate 6 is fixedly installed on the sleeve, the stand column is perpendicular to the top plate, the top plate is close to the top end of the stand column, a photosensitive sensor 7 is fixedly installed on the upper end face of the stand column, and the photosensitive sensor sends signals to a control terminal through a wire;
the invention of the application also lies in that a distance measuring sensor 8 is fixedly installed on the upper surface of the base, the distance measuring sensor is connected with the mobile terminal through a wireless communication module, the distance measuring sensor upwards faces the lower surface of the top plate, the distance measuring sensor is embedded in the base, the top surface of the distance measuring sensor is flush with the upper surface of the base, the distance measuring sensor measures the distance between the lower surface of the top plate and the upper surface of the base, and the distance measuring sensor is positioned on one side of the stand column;
the invention also provides a method for fixing the motor on the upper surface of the base, which comprises the steps of fixedly mounting a motor mounting frame 9 on the upper surface of the base, fixedly mounting a stepping motor 10 on the motor mounting frame, enabling a rotating shaft of the stepping motor to be parallel to the upper surface of the base, fixedly mounting a conical gear I11 on the rotating shaft of the stepping motor, fixedly mounting a bearing seat 12 on the upper surface of the base, enabling the bearing seat to be positioned between the conical gear and an upright post, mounting a transmission shaft 13 on the bearing seat, enabling the transmission shaft to be parallel to the upright post, fixedly mounting a conical gear II 14 on the transmission shaft, meshing the conical gear I with the conical gear II, fixedly connecting a screw rod 15 at the upper end of the transmission shaft, positioning a central line of the screw rod and a central line of the transmission shaft on the same straight line, mounting a nut seat 16 on the screw rod, and fixedly connecting rods 17 and side surfaces of the nut seat, the stepping motor is connected with the control terminal through the encoder, and the control terminal controls the revolution of the stepping motor through the encoder.
The electronic device adopted by the technical scheme comprises:
the stepping motor is connected with the control terminal through the encoder, a control instruction is sent to the encoder through the control terminal, the encoder receives the control instruction and converts the control instruction into a corresponding stepping number, then the stepping motor is controlled to rotate by a certain angle, and the nut seat can move for a certain distance along the screw rod under the limiting action of the connecting rod;
a distance measuring sensor: the laser ranging sensor or the infrared ranging sensor can be selected;
the laser indicator is as follows: emitting a laser beam for irradiating the photosensitive sensor;
a photosensitive sensor: the laser beam irradiates the stepping motor to generate a corresponding analog model, the analog signal is sent to the control terminal through the wire rod and is converted to generate a corresponding digital signal, and the control terminal controls the stepping motor to stop rotating after receiving the signal.
The electronic devices are all existing products, the technical scheme of the application has no special requirements and changes on the structures of the electronic devices, and the electronic devices all belong to conventional electronic equipment;
in the implementation process of the technical scheme, a person in the art needs to connect all the electrical components in the present application with a power supply adapted to the electrical components through a wire, and should select an appropriate controller according to actual conditions to meet control requirements, and specific connection and control sequence.
The laser pointer is positioned above the top plate, and the photosensitive sensor can receive the light beam of the laser pointer when the top plate is lifted to the height of the laser pointer; a limiting plate 18 is arranged at the top end of the screw rod, the limiting plate is a circular plate, and the diameter of the limiting plate is twice that of the screw rod; the rotating shaft of the stepping motor points to the upright post, and the stepping motor, the bearing seat and the upright post are arranged on the same straight line; a transparent protective cover is fixedly arranged on the upper surface of the base, and the protective cover is buckled on the ranging sensor; the sleeve is a round pipe with a sealed top end and an open bottom end; the fixed cone comprises an upright post and a conical head fixedly arranged on the lower surface of the upright post, and the upper end of the cylinder is fixedly connected with the lower surface of the base; the number of the fixed cones is five, one fixed cone is arranged at the center of the lower surface of the base, and the other four fixed cones are respectively arranged at four corners of the lower surface of the base; the base is a rectangular plate-shaped structure, and a plurality of balancing weights can be fixedly installed on the side surface of the base through screws.
In the implementation process of the technical scheme, the laser indicator is fixedly arranged at the opening of the foundation pit or the groove, and the laser indicator can irradiate the photosensitive sensor when the end surface of the top end of the upright post is flush with the opening of the foundation pit or the groove; leveling the bottom surface of the foundation pit or the groove, then placing the base on the bottom surface of the foundation pit or the groove, inserting the fixed cone into the bottom surface of the foundation pit or the groove, and then forcibly compacting the base; the initial value of the distance measuring sensor is set as the thickness value of the base through the mobile terminal, then the stepping motor is started through the control terminal, the revolution of the motor is controlled through the control terminal and the encoder, the technical effect that the nut seat slowly rises on the screw rod is achieved, when the end face of the top end of the upright column rises to the plane where the foundation pit or the groove opening is located, the photosensitive sensor receives laser emitted by the laser indicator, generates a simulation model and sends the simulation model to the control terminal, the control terminal controls the stepping motor to stop rotating, the mobile terminal receives the measured distance parameters transmitted by the distance measuring sensor at the moment, a worker sums the initial value of the distance measuring sensor, the measured distance parameters of the distance measuring sensor, the thickness of the top plate and the distance values of the top end of the top plate and the upright column, the earth backfilling elevation is obtained, and the automatic measuring process of the earth backfilling elevation is completed.
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. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.
Claims (9)
1. An earthwork backfill elevation measuring device suitable for a large-size foundation pit or a groove comprises a base (1), a plurality of fixed cones (2) are arranged on the lower surface of the base, and the earthwork backfill elevation measuring device also comprises a laser indicator (3), wherein the laser indicator is positioned above the base, and a light beam emitted by the laser indicator is parallel to the upper surface of the base,
an upright post (4) is fixedly mounted on the upper surface of the base, the upright post is perpendicular to the upper surface of the base and is positioned in the center of the upper surface of the base, a sleeve (5) is sleeved on the upright post, a top plate (6) is fixedly mounted on the sleeve, the upright post is perpendicular to the top plate, the top plate is close to the top end of the upright post, a photosensitive sensor (7) is fixedly mounted on the upper end surface of the upright post, and the photosensitive sensor sends signals to a control terminal through a wire;
a distance measuring sensor (8) is fixedly installed on the upper surface of the base and is connected with the mobile terminal through a wireless communication module, the distance measuring sensor faces upwards to the lower surface of the top plate, the distance measuring sensor is embedded in the base, the top surface of the distance measuring sensor is flush with the upper surface of the base, the distance measuring sensor measures the distance between the lower surface of the top plate and the upper surface of the base, and the distance measuring sensor is located on one side of the upright post;
the upper surface of the base is fixedly provided with a motor mounting frame (9), the motor mounting frame is fixedly provided with a stepping motor (10), the rotating shaft of the stepping motor is parallel to the upper surface of the base, the rotating shaft of the stepping motor is fixedly provided with a first conical gear (11), the upper surface of the base is also fixedly provided with a bearing seat (12), the bearing seat is positioned between the conical gear and the upright post, the bearing seat is provided with a transmission shaft (13), the transmission shaft is parallel to the upright post, the transmission shaft is fixedly provided with a second conical gear (14), the first conical gear is meshed with the second conical gear, the upper end of the transmission shaft is fixedly connected with a lead screw (15), the central line of the lead screw and the central line of the transmission shaft are positioned on the same straight line, the lead screw is provided with a nut seat (16), and the side surface of the nut seat is fixedly connected with the side surface of the sleeve through a connecting rod (17), the stepping motor is connected with the control terminal through the encoder, and the control terminal controls the revolution of the stepping motor through the encoder.
2. The earth backfill level measuring device according to claim 1, wherein the laser indicator is located above the top plate and the light sensor is enabled to receive the beam of the laser indicator when the top plate is raised to the height of the laser indicator.
3. The earth backfill elevation measuring device suitable for the large-size foundation pit or the groove according to claim 1, wherein a limiting plate (18) is arranged at the top end of the screw rod, the limiting plate is a circular plate, and the diameter of the limiting plate is twice of that of the screw rod.
4. The earth backfill elevation measuring device suitable for the large-size foundation pit or the trench according to claim 1, wherein the rotating shaft of the stepping motor points to the column, and the stepping motor, the bearing seat and the column are arranged on a straight line.
5. The earth backfill elevation measurement device according to claim 1, wherein a transparent shield is fixedly mounted on the upper surface of the base, and the shield covers the distance measurement sensor.
6. The earth backfill level measuring device for the large-size foundation pit or trench according to claim 1, wherein the sleeve is a round pipe with a sealed top end and an open bottom end.
7. The earth backfill elevation measuring device suitable for the large-size foundation pit or the trench according to claim 1, wherein the fixed cone comprises a column and a cone head fixedly installed on the lower surface of the column, and the upper end of the cylinder is fixedly connected with the lower surface of the base.
8. The earth backfill elevation measuring device for the large-size foundation pit or trench according to claim 7, wherein the number of the fixed cones is five, one of the fixed cones is arranged at the center of the lower surface of the base, and the other four fixed cones are respectively arranged at four corners of the lower surface of the base.
9. The earth backfill elevation measuring device suitable for the large-size foundation pit or the trench according to claim 1, wherein the base is of a rectangular plate structure, and a plurality of balancing weights can be fixedly installed on the side surface of the base through screws.
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CN202111494287.4A CN114216397A (en) | 2021-12-08 | 2021-12-08 | Earth backfill elevation measuring device suitable for jumbo size foundation ditch or slot |
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CN202111494287.4A CN114216397A (en) | 2021-12-08 | 2021-12-08 | Earth backfill elevation measuring device suitable for jumbo size foundation ditch or slot |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116290690A (en) * | 2023-05-25 | 2023-06-23 | 中铁城建集团第一工程有限公司 | Movable oversized ultrathin ground elevation control device and construction method |
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2021
- 2021-12-08 CN CN202111494287.4A patent/CN114216397A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116290690A (en) * | 2023-05-25 | 2023-06-23 | 中铁城建集团第一工程有限公司 | Movable oversized ultrathin ground elevation control device and construction method |
CN116290690B (en) * | 2023-05-25 | 2023-08-11 | 中铁城建集团第一工程有限公司 | Movable oversized ultrathin ground elevation control device and construction method |
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