CN107121129B - Rotary light beam laser slope ratio monitor - Google Patents
Rotary light beam laser slope ratio monitor Download PDFInfo
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- CN107121129B CN107121129B CN201710430705.0A CN201710430705A CN107121129B CN 107121129 B CN107121129 B CN 107121129B CN 201710430705 A CN201710430705 A CN 201710430705A CN 107121129 B CN107121129 B CN 107121129B
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- head
- rotating
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- rotary
- inclination angle
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention relates to a rotary beam laser slope ratio monitor, which comprises a slide seat and a laser emission head for emitting a linear beam; the laser emitting head is arranged on a rotary head; the rotating head is arranged at the top end of an inclination adjusting rod, the bottom end of the inclination adjusting rod is connected with an inclination adjusting shaft, the axis of the inclination adjusting shaft is perpendicular to the rotating axis of the rotating head, and the inclination adjusting shaft is arranged on the sliding seat; the inclination angle adjusting shaft drives the rotating head to move when rotating; the beneficial effects of the invention are as follows: the rotary laser beam is adopted to form a light sector which is matched with the soil slope, the excavation surface is accurately positioned and measured, the device can be used for guiding the construction process of earth excavation, and also can be used for detecting and correcting the excavated slope, the device is simple in structure, convenient to use, high in practicality and high in reliability, the gradient and the flatness of the soil slope can be effectively controlled, earth overexcitation is avoided, and the construction quality is remarkably improved.
Description
Technical Field
The invention belongs to a measuring device for foundation construction, and particularly relates to a rotary beam laser slope ratio monitor.
Background
In earth excavation construction, in order to meet design requirements and ensure slope safety, the slope of an excavation site and the horizontal plane are required to maintain an included angle meeting the design requirements, or referred to as a slope ratio. If the slope ratio becomes large, the fertilizer groove is occupied, if the slope ratio becomes small, the safety performance is reduced, the backfill soil amount is increased, and claim is generated. It is extremely important to ensure a slope ratio fitting design value. The traditional measuring method is to horizontally put the tower ruler perpendicular to the upper opening line by adopting the tower ruler and the line drop, so that the bottom end of the line drop is just at the pit bottom, and the slope ratio is calculated by the extending length of the tower ruler and the length of the line drop. The method has the defects that after-the-fact measurement is carried out, the excavation engineering cannot be controlled, and the randomness is high; the method is easily affected by wind and human factors, and accurate measurement data is difficult to obtain; it is particularly difficult to operate at night and personnel working on the slope are also at safety risk. The construction method cannot ensure the accuracy of the slope gradient and the flatness of the slope, the situation of earthwork overexcavation is unavoidable in the earthwork excavation process, the construction quality is low, and the construction resources are wasted.
Disclosure of Invention
The invention aims to provide a technical scheme of a rotary beam laser slope ratio monitor, which improves the slope accuracy of an earth construction slope and the flatness of the slope and avoids earth overexcavation.
In order to achieve the above object, the technical scheme of the present invention is as follows: the rotary beam laser slope ratio monitor comprises a laser emission head, wherein the laser emission head emits a linear beam irradiated to the ground; the laser emission head is arranged on a rotary head, and the rotation axis of the rotary head is perpendicular to the light beam emitted by the laser emission head; the swivel head is capable of adjusting an inclination angle between the swivel axis and the ground.
Still further, the rotating head is installed on the top of a dip angle adjusting rod, a dip angle adjusting shaft is connected to the bottom of dip angle adjusting rod, the axis of dip angle adjusting shaft is perpendicular to the axis of rotation of rotating head, change the inclination between axis of rotation of rotating head and the ground when the dip angle adjusting shaft rotates.
Further, the tilt adjustment shaft is mounted on a slide; the slide seat is provided with an inclination angle adjusting gear for driving the inclination angle adjusting shaft to rotate.
Further, the slide is provided with an inclination locking screw for locking the inclination adjusting gear.
Furthermore, the inclination angle adjusting shaft is provided with an inclination angle indicating plate, the inclination angle indicating plate is provided with a heavy hammer which naturally sags, and the inclination angle adjusting shaft is provided with an inclination angle pointer which rotates along with the inclination angle adjusting shaft.
Still further, the rotary beam laser slope ratio monitor is provided with a rack, a sliding rail is arranged on the rack, the rear end of the sliding rail is hinged with the rear end of the rack, and the front end of the rack is provided with an adjusting screw rod for driving the sliding rail to swing towards two sides of the rack; the sliding seat is installed on the sliding rail in a sliding fit mode and slides along the sliding rail, and the axis of the inclination angle adjusting shaft is perpendicular to the sliding direction of the sliding seat.
Further, the rotating head is a continuously rotating head, the rotating head is provided with 4 to 16 laser emitting heads, and the laser emitting heads are equally divided by the circumference of the rotating axis of the rotating head; the rotating speed of the rotating head is 20 r/min-40 r/min.
Further, the rotating head is provided with a light shield for shielding the light beam emitted upwards or sideways by the laser emitting head.
Still further, the rotating head is a reciprocating rotating head, the rotating head is provided with a plurality of laser emitting heads which are equally divided by the circumference of the rotating axis of the rotating head in a range smaller than 180 degrees, and the reciprocating rotating angle of the rotating head is not smaller than the included angle between two adjacent laser emitting heads.
Further, the reciprocating rotation frequency of the rotating head is 40 times/min-100 times/min.
The beneficial effects of the invention are as follows: the rotary laser beam is adopted to form a light sector which is matched with the soil slope, the excavation surface is accurately positioned and measured, the construction process of earth excavation can be guided, the excavated slope can be detected and corrected, the working effect is more outstanding at night, the equipment is simple in structure, convenient to use, high in practicability and high in reliability, the gradient and flatness of the soil slope can be effectively controlled, earth overexcavation is avoided, and the construction quality is remarkably improved.
The present invention will be described in detail with reference to the accompanying drawings and examples.
Drawings
FIG. 1 is a block diagram of the present invention;
FIG. 2 is an enlarged view of a portion of the carriage of the present invention;
FIG. 3 is an enlarged view of part of A of FIG. 1;
FIG. 4 is a block diagram of a turret head with a mask according to the present invention;
FIG. 5 is a block diagram of a turret head with sixteen laser emitting heads according to the present invention;
FIG. 6 is a block diagram of a reciprocating rotary turret of the present invention;
FIG. 7 is a schematic illustration of the operation of the present invention with four laser heads forming a 180 sector;
fig. 8 is a schematic diagram of the operation of the present invention with sixteen laser heads forming a sector of less than 180 °.
Detailed Description
Referring to fig. 1, 2 and 3, a rotary beam laser slope monitor includes a laser emitter 20 emitting a linear beam of light that impinges on the ground; the laser emitting head is mounted on a rotating turret 30, the axis of rotation of which is perpendicular to the beam emitted by the laser emitting head; the swivel head is capable of adjusting an inclination angle gamma between the swivel axis and the ground.
The rotating head is arranged at the top end of a dip angle adjusting rod 41, the bottom end of the dip angle adjusting rod is connected with a dip angle adjusting shaft 42, the axis of the dip angle adjusting shaft is perpendicular to the rotating axis of the rotating head, and the dip angle gamma between the rotating axis of the rotating head and the ground is changed when the dip angle adjusting shaft rotates.
The tilt adjustment shaft is mounted on a slide 10; the slide is provided with a tilt gear 43 which drives the tilt shaft in rotation.
The slide is provided with a tilt lock screw 44 which locks the tilt adjustment gear.
The tilt angle adjusting shaft is provided with a tilt angle indicating plate 51, the tilt angle indicating plate is provided with a heavy hammer 52 which naturally sags, and the tilt angle adjusting shaft is provided with a tilt angle pointer 45 which rotates along with the tilt angle adjusting shaft.
The rotary beam laser slope ratio monitor is provided with a rack 60, a sliding rail 70 is arranged on the rack, the rear end of the sliding rail is hinged with the rear end of the rack, and the front end of the rack is provided with an adjusting screw 71 for driving the sliding rail to swing towards two sides of the rack; the sliding seat is installed on the sliding rail in a sliding fit mode and slides along the sliding rail, and the axis of the inclination angle adjusting shaft is perpendicular to the sliding direction of the sliding seat.
As shown in fig. 4 and 5, the rotating head is a continuously rotating head, the rotating head is provided with 4 to 16 laser emitting heads, and the circumferences of the laser emitting heads are equally divided by the rotation axis of the rotating head; the rotating speed of the rotating head is 20 r/min-40 r/min.
The rotating head is provided with a light shield 80 for shielding the light beam emitted upwards or sideways by the laser emitting head.
The rotating head is a reciprocating rotating head, a plurality of laser emitting heads which are equally divided by the circumference of the rotating axis of the rotating head are arranged in the range of less than 180 degrees, and the reciprocating rotating angle alpha of the rotating head is not less than the included angle beta between two adjacent laser emitting heads.
The reciprocating rotation frequency of the rotating head is 40 times/min-100 times/min.
Embodiment one:
referring to fig. 1 to 3, a rotary beam laser slope monitor includes a carriage 10 and a laser emitting head 20 for emitting a linear beam.
In this embodiment, four laser emitting heads are mounted on a rotating head 30, the rotating head is a continuously suspended rotating head, the four laser emitting heads are distributed equally around the rotation axis of the rotating head, the power of the laser emitting heads is 200mW, and the laser emitting heads emit red or green linear laser beams. The rotation axis of the rotating head is perpendicular to the light beam emitted by the laser emitting head. The rotating head is provided with a driving motor 31 for driving the laser emitting head to rotate, so that the laser beam 21 emitted by the laser emitting head forms a fan (as shown in fig. 7). The rotating speed of the rotating head is 20 r/min-40 r/min.
The rotator head is mounted on top of a tilt adjustment lever 41, which is coaxial with the rotation axis of the rotator head. The bottom end of the tilt rod is connected to a tilt shaft 42, the axis of which is perpendicular to the tilt rod (i.e. perpendicular to the axis of rotation of the rotator head). The tilt adjustment shaft is mounted on the carriage by bearings 46; the inclination angle adjusting shaft drives the rotating head to move when rotating, and adjusts the inclination angle gamma between the rotating axis of the rotating head and the ground, so as to adjust the included angle between the fan surface emitted by the rotating head and the ground.
The slide is provided with a tilt gear 43 which drives the tilt shaft in rotation. In this embodiment, the tilt adjusting gear includes a pair of driving gear pairs, and a smaller driving gear and a larger driven gear are engaged to achieve a larger transmission ratio, so as to more accurately adjust the rotation angle of the tilt adjusting shaft.
The slide is provided with a tilt lock screw 44 which locks the tilt adjustment gear. The inclination locking screw presses the driven gear to keep the inclination adjusting shaft at the adjusted position.
The rotary beam laser slope ratio monitor is provided with an inclination angle display device, and comprises an inclination angle indicating plate 51 with scales, wherein the inclination angle indicating plate is arranged at one end of an inclination angle adjusting shaft through a bearing 53, and is provided with a heavy hammer 52 which naturally sags, so that the inclination angle indicating plate cannot rotate along with the inclination angle adjusting shaft, and the relative position between the inclination angle indicating plate and the ground is maintained. The end of the dip angle adjusting shaft is provided with a dip angle pointer 45, the dip angle pointer points to scales on the dip angle indicating plate, the dip angle pointer rotates along with the dip angle adjusting shaft, and the scales of the dip angle indicating plate indicate the rotation angle of the dip angle adjusting shaft.
The rotary beam laser slope ratio monitor is provided with a frame 60 provided with four legs 61 provided with cutting edges 62 which can be inserted into the soil for stable placement on the soil surface.
The rack is provided with a slide rail 70 in the horizontal direction, the upper end of the slide rail is a dovetail guide rail, and the rear end of the slide rail is hinged with the rear end of the rack through a pin shaft 63. The front end of the frame is provided with an adjusting screw 71 for driving the sliding rail to swing towards the two sides of the frame; the bottom surface of slide rail is equipped with T type groove 72, and the T type groove of slide rail passes through slider 73 and connects the adjusting screw.
The slide seat is provided with a dovetail groove matched with the dovetail guide rail of the slide rail. The sliding seat is installed on the sliding rail in a sliding fit manner and slides along the sliding rail, and the front and rear positions of the sliding seat on the frame are adjusted. The axis of the inclination angle adjusting shaft is perpendicular to the sliding direction of the sliding seat.
As shown in fig. 7, when the rotary beam laser slope ratio monitor of the embodiment guides the earthwork excavation construction, the rack is placed on the ground at the side edge of the excavation area, the extending direction of the slide rail is vertical to the excavation line as much as possible, and the supporting legs of the rack are adjusted by the leveling rod, so that the slide rail is in a horizontal position. The inclination angle adjusting gear rotates the inclination angle adjusting shaft, the inclination angle pointer indicates the inclination angle between the optical sector formed by the laser beams and the ground (horizontal plane) on the inclination angle indicating plate, the inclination angle of the optical sector is adjusted to the angle required by design, and then the inclination angle of the optical sector is locked by the inclination angle locking screw. Starting a laser emission head, irradiating a light ray on the ground by the optical sector, sliding a sliding seat on a sliding rail, and adjusting the front and rear positions of the optical sector; the angle between the optical sector and the excavation line is adjusted through adjusting the screw rod, so that the optical sector is overlapped with the excavation line. And then pushing the sliding seat to the position of 8 cm-10 cm in the excavation line.
The excavator starts to work, and excavates about 8 cm-10 cm outwards according to the visible light, so that the real-time slope ratio control is realized.
Because the rotating head is provided with four laser emitting heads, the excavation working face can keep the irradiation of at least two laser beams, and the requirement of guiding excavation can be met. More laser heads will produce better results. In order to prevent the laser beam from irradiating to the direction above the ground to cause light pollution, the rotary beam laser slope ratio monitor of the embodiment is also provided with a control device which stops the emission of the laser beam when the laser beam of the laser emitting head rotates above the ground to form a sector of light which irradiates downwards, and the sector angle theta of the sector of light is 180 degrees.
Embodiment two:
referring to fig. 4, a rotary beam laser slope monitor is shown. The embodiment is an improvement of the rotary beam laser slope ratio monitor of the first embodiment. In this embodiment, the rotating head is provided with a light shielding cover 80, and the shielding angle of the light shielding cover is not less than 180 °, so that the light shielding cover shields the light beam emitted upwards or laterally from the laser emitting head, and the light pollution of the laser beam to the environment is prevented, and the injury to personnel is prevented.
Compared with the scheme of using the control device in the first embodiment, the method has the advantages that the irradiation direction of the laser beam is controlled by the light shield, the method is simple and practical, and the reliability is high.
Embodiment III:
referring to fig. 5, a rotary beam laser slope monitor is shown. The embodiment is an improvement of the rotary beam laser slope ratio monitor of the first embodiment. In this embodiment, sixteen laser emitting heads 20 are mounted on the rotary head 30, which is a continuously rotating rotary head, and sixteen laser emitting heads are equally distributed circumferentially about the rotary axis of the rotary head. Compared with the first embodiment, sixteen laser emitting heads are adopted to form clear optical sectors, and a better display effect is achieved.
In addition, as shown in fig. 8, under the condition that the excavation face keeps at least two laser beams irradiated, the embodiment can use smaller fan-shaped angles theta to conduct earth excavation and monitoring on the smaller excavation face or local face, and has better flexibility in use.
Embodiment four:
referring to fig. 6, a rotary beam laser slope monitor is shown. The embodiment is an improvement of the rotary beam laser slope ratio monitor of the first embodiment. In this embodiment, eight laser heads 20 are mounted on the rotary head 30, the eight laser heads being equally distributed circumferentially about the rotary axis of the rotary head over a range of less than 180 °. In this embodiment, the included angle β=22.5° between two adjacent laser emitting heads, and eight laser emitting heads are equally distributed on the inner circumference in the range of 157.5 °.
The rotating head is a reciprocating rotating head, the driving motor 31 is a stepping motor, and the reciprocating rotating angle alpha of the rotating head can be conveniently controlled, and the reciprocating rotating angle alpha is not smaller than the included angle beta between two adjacent laser emitting heads, so that the light beams emitted by the laser emitting heads form a continuous fan. In this embodiment, the reciprocating rotation angle α=22.5° is equal to the included angle β between two adjacent laser emitting heads.
When all the eight laser emitting heads are opened, the rotating heads rotate reciprocally to make the light beam form one sector with 180 deg.
In this embodiment, the rotating head adopts a reciprocating rotation mode, and compared with the first embodiment, the conductive ring is not required to supply power to the rotating head and control the rotating head, and the cable can be used for directly supplying power and controlling the rotating head. The reliability is higher.
The laser emission heads with different numbers can be started according to engineering requirements, the reciprocating rotation angle of the rotating head can be adjusted, and the irradiation range of the working surface can be conveniently adjusted. The practicability is stronger, and the operation is more convenient.
Claims (5)
1. The rotary beam laser slope ratio monitor comprises a laser emission head, wherein the laser emission head emits a linear beam irradiated to the ground; the laser emission head is arranged on a rotary head, the rotary head is provided with a driving motor, and the rotation axis of the rotary head is perpendicular to the light beam emitted by the laser emission head;
the rotating head is arranged at the top end of an inclination angle adjusting rod, the bottom end of the inclination angle adjusting rod is connected with an inclination angle adjusting shaft, the axis of the inclination angle adjusting shaft is perpendicular to the rotating axis of the rotating head, and the inclination angle between the rotating axis of the rotating head and the ground is changed when the inclination angle adjusting shaft rotates;
the rotary beam laser slope ratio monitor is provided with a rack, a sliding rail is arranged on the rack, the rear end of the sliding rail is hinged with the rear end of the rack, the front end of the rack is provided with an adjusting screw rod for driving the sliding rail to swing towards two sides of the rack, the bottom surface of the sliding rail is provided with a T-shaped groove, and the T-shaped groove of the sliding rail is connected with the adjusting screw rod through a sliding block; the inclination angle adjusting shaft is arranged on a sliding seat, the sliding seat is arranged on the sliding rail in a sliding fit manner and slides along the sliding rail, and the axis of the inclination angle adjusting shaft is perpendicular to the sliding direction of the sliding seat;
the rotating head is a continuously rotating head, 4-16 laser emitting heads are arranged on the rotating head, and the circumferences of the laser emitting heads are equally divided by the rotating axis of the rotating head; the rotating speed of the rotating head is 20 r/min-40 r/min.
2. The rotary beam laser slope monitor of claim 1, wherein the slide is provided with a tilt gear that drives the tilt shaft to rotate.
3. A rotary beam laser slope monitor according to claim 2, wherein the slide is provided with a tilt lock screw locking the tilt adjustment gear.
4. The rotary beam laser slope monitor of claim 1, wherein the tilt angle adjustment shaft is provided with a tilt angle indicator plate, the tilt angle indicator plate is provided with a naturally sagging weight, and the tilt angle adjustment shaft is provided with a tilt angle pointer rotating along with the tilt angle adjustment shaft.
5. The rotary beam laser slope monitor of claim 1, wherein the rotating head is provided with a light shield that shields the beam emitted upward or sideways by the laser emitting head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710430705.0A CN107121129B (en) | 2017-06-09 | 2017-06-09 | Rotary light beam laser slope ratio monitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710430705.0A CN107121129B (en) | 2017-06-09 | 2017-06-09 | Rotary light beam laser slope ratio monitor |
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| CN107121129A CN107121129A (en) | 2017-09-01 |
| CN107121129B true CN107121129B (en) | 2023-09-29 |
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| CN201710430705.0A Active CN107121129B (en) | 2017-06-09 | 2017-06-09 | Rotary light beam laser slope ratio monitor |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111351476A (en) * | 2020-03-07 | 2020-06-30 | 智博兴(武汉)测绘有限公司 | Supporting and adjusting device for land survey |
| CN114877867B (en) * | 2022-04-30 | 2023-07-21 | 山东省煤田地质局第五勘探队 | Portable geological geometry measuring instrument |
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| EP0727642A1 (en) * | 1995-02-14 | 1996-08-21 | Kabushiki Kaisha Topcon | Laser survey instrument |
| CN2320985Y (en) * | 1998-03-04 | 1999-05-26 | 吴小勇 | Digital display laser slope measuring instrument |
| CN2651705Y (en) * | 2003-10-31 | 2004-10-27 | 吴小勇 | Laser slope engineering electronic theodolite |
| CN1629601A (en) * | 2003-12-15 | 2005-06-22 | 上海浩顺科技有限公司 | Laser test control device and method for pavement construction flatness |
| JP2013245978A (en) * | 2012-05-24 | 2013-12-09 | Noboru Suzuki | Gradient index device and light-receiving gauge |
| CN207007158U (en) * | 2017-06-09 | 2018-02-13 | 中国新兴建筑工程总公司 | Compare monitor in a kind of rotary light beam laser slope |
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2017
- 2017-06-09 CN CN201710430705.0A patent/CN107121129B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0727642A1 (en) * | 1995-02-14 | 1996-08-21 | Kabushiki Kaisha Topcon | Laser survey instrument |
| CN2320985Y (en) * | 1998-03-04 | 1999-05-26 | 吴小勇 | Digital display laser slope measuring instrument |
| CN2651705Y (en) * | 2003-10-31 | 2004-10-27 | 吴小勇 | Laser slope engineering electronic theodolite |
| CN1629601A (en) * | 2003-12-15 | 2005-06-22 | 上海浩顺科技有限公司 | Laser test control device and method for pavement construction flatness |
| JP2013245978A (en) * | 2012-05-24 | 2013-12-09 | Noboru Suzuki | Gradient index device and light-receiving gauge |
| CN207007158U (en) * | 2017-06-09 | 2018-02-13 | 中国新兴建筑工程总公司 | Compare monitor in a kind of rotary light beam laser slope |
Non-Patent Citations (1)
| Title |
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| 郝生雷 ; .可调节坡度激光指向仪的设计应用.山东煤炭科技.2013,(第01期),全文. * |
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