CN116657694A - Slope ratio control device attached to excavator and application method thereof - Google Patents

Abstract

The utility model relates to the technical field of slope ratio control equipment, in particular to a slope ratio control device attached to an excavator and a use method thereof. The device includes the driver's cabin, and the inboard of driver's cabin is fixed with display screen, power and fixed bolster, and the display screen is located the top of power, and the fixed bolster is located the one end of power, and the top rotation of fixed bolster is connected with the calibrated scale. According to the slope ratio control device attached to the excavator and the use method thereof, the fixed support is arranged on the cab, the dial is arranged at the top of the fixed support in a rotating and connecting mode through the connecting shaft, adjustment of the dial can be facilitated, then the first level is fixed at one end of the dial, the rotatable laser range finder is arranged at the top of the dial, the angle of the laser range finder can be manually adjusted, the pointer is fixed at one end of the laser range finder, and the pointing direction of the pointer is always consistent with the laser beam direction of the laser range finder.

Description

Slope ratio control device attached to excavator and application method thereof

Technical Field

The utility model relates to the technical field of slope ratio control equipment, in particular to a slope ratio control device attached to an excavator and a use method thereof.

Background

In the process of earth working construction of a foundation pit (groove), the earth excavation slope ratio is generally controlled by a measurer, and the most common method is to measure an opening line and a bottom opening line of the foundation pit according to a construction scheme and then control the slope ratio by using a homemade slope scale. However, in actual operation, when the foundation pit is excavated deeply and the soil is softer, a measurer cannot stand on a steep slope to operate a slope scale, so that difficulty is caused in controlling the accuracy of the slope of the foundation pit;

the traditional soil excavation slope releasing technology has the following defects in actual construction:

1. the surveyor controls the slope ratio through on-site measurement, and when the depth of the constructed foundation pit is deeper, the safety risk for the surveyor is larger; the construction site is difficult to measure due to soft soil, narrow space, no safety walkway and the like.

2. The measurer needs to track and measure at any time, the slope ratio is controlled by layering and sectioning, the labor intensity is high, and measurement errors are easy to occur.

3. The excavator driver and the measurer are not silently matched, so that the slope ratio is in error.

4. When the operator cannot work in severe weather, the earth works are difficult to carry out.

For example, chinese patent (CN 202120368772.6) discloses a slope ratio controller, which includes a fixed frame, and the design position near the slope protection is installed on the ground and the height is adjustable; a gradient dial, which is adjustably arranged at the top of the fixing frame; the laser emission component is rotatably arranged on the slope scale, can emit laser, adjusts the slope scale by moving according to the designed slope ratio, and adjusts the laser emission component by rotating towards the direction of the foundation pit, so that the laser emitted by the laser emission component is consistent with the designed position of the slope protection, the slope ratio of the slope protection formed by excavation can be controlled, the problem that a device fixing support is required to be fixed above the excavation slope, certain requirements are met on soil and a working surface, and the applicability is poor; the technical problem that the instrument is not disturbed in the process of excavation is required to be ensured;

as disclosed in chinese patent (CN 202020303927). 3), a device for controlling slope ratio of a slope is disclosed, which comprises a protractor, a plumb bob, a channel steel, a plurality of legs, a laser emission unit and a slope ratio feedback unit, wherein the legs are vertically fixed below the channel steel, the protractor is fixed on the channel steel, a 90 degree scale line of the protractor is vertical to the channel steel, one end of the plumb bob is fixed at the center point of the protractor, the laser emission unit is fixed at the end of the channel steel, the light of the laser emission unit is parallel to the channel steel, the slope ratio feedback unit comprises a display, a monitoring camera and a power supply, the display and the monitoring camera are electrically connected with the power supply, the display is electrically connected with the monitoring camera, and the monitoring camera is aligned with the protractor; the problem that the device is erected on the slope surface of the excavation side and is difficult to install is solved; and the technical problem that the disturbance is easy to generate errors in the excavation process is solved.

As disclosed in chinese patent (CN 201910686924.4), the automatic slope ratio measuring device comprises a pulley and a pulley shaft that are fixedly connected, wherein both ends of the pulley shaft are rotatably connected and arranged at the end of a supporting rod, one end of the pulley shaft is provided with an electronic sensor, the electronic sensor is electrically connected with a control system, the control system comprises a microprocessor and a display instrument, the supporting rod and the control system are arranged on a box body, a winding drum is further arranged on the box body, a pull rope is wound on a rotating shaft of the winding drum, and the outer end of the pull rope is fixedly connected with a hanging hammer after bypassing the pulley; the method comprises the steps that a measuring datum point is preset on a box body or a supporting rod, an initial measuring position of a lifting hammer tip is designed in advance, and a microprocessor sets a preset processing program based on the preset processing program, wherein a calculation formula of the preset processing program is that L is a horizontal distance between a vertical axis of the lifting hammer and the measuring datum point, and units m and L are known values; h is the vertical distance from the initial measuring position of the tip of the hanging hammer to the bottom surface of the box body, and the unit m is a known value; r is the radius of the pulley, the unit m, R is a known value; pi is the circumference ratio, pi is a known value; m is the number of turns of the pulley, and the value of m is measured according to an electronic sensor; the device is erected above the excavation slope, pedals are arranged on the side edges of the box body, the device is kept stable by the pedals in working, and the technical problem that errors are easily generated in the excavation process is solved.

Disclosure of Invention

Based on the method, the utility model provides the slope ratio control device attached to the excavator and the using method thereof, the bracket is fixed on the cab, then the dial is arranged at the top of the fixed bracket through the connection shaft in a rotating way, the dial can be conveniently adjusted, then the first level gauge is fixed at one end of the dial, the rotatable laser range finder is arranged at the top of the dial, the angle of the laser range finder can be manually adjusted, the pointer is fixed at one end of the laser range finder, the pointing direction of the pointer always accords with the laser beam direction of the laser range finder, the second level gauge is fixed at one side of the laser range finder, and the horizontal sight is established through the first level gauge and the second level gauge to measure the height difference between two points of the ground.

In order to solve the technical problems, the utility model provides a slope ratio control device attached to an excavator, which comprises a display screen (2), a power supply (4) and a fixed bracket (6), wherein the display screen (2) is positioned at the top of the power supply (4), and the fixed bracket (6) is positioned at one end of the power supply (4);

the automatic lifting device is characterized in that a rotating shell (14) is slidably connected to the outer side of the bottom end of the fixed support (6), sliding blocks (19) are fixedly arranged at two ends of the fixed support (6), the fixed support (6) and the rotating shell (14) are slidably connected through the sliding blocks (19), an adjusting mechanism used for driving the fixed support (6) to lift is mounted in the rotating shell (14), the adjusting mechanism comprises a threaded rod (18), a lifting plate (20), a lifting rotating rod (21), a worm (22), a worm wheel (23) and a rotating column (24), the bottom of the threaded rod (18) is fixed with the rotating shell (14), a rotating column (24) is connected to the outer side of the threaded rod (18) in a threaded manner, and the lifting plate (20) is fixed with the fixed support (6);

the top of fixed bolster (6) rotates and is connected with calibrated scale (7), the one end of calibrated scale (7) is fixed with first spirit level (8), and the top of calibrated scale (7) rotates and is connected with laser range finder (10), one side of laser range finder (10) is fixed with second spirit level (11), the one end of laser range finder (10) is fixed with pointer (12).

Further, the inside rotation of fixed bolster (6) is connected with lift dwang (21), just lift dwang (21) and rotation shell (14) sliding connection, the inside that just is located fixed bolster (6) of one end of lift dwang (21) is fixed with worm (22), one side meshing of worm (22) is connected with worm wheel (23), just worm wheel (23) are fixed in the outside of slewing column (24).

Further, the top of the fixed support (6) is rotatably connected with a connecting shaft (9), and the connecting shaft (9) is fixed with the dial (7).

Further, the both ends of rotating shell (14) bottom are fixed with locating plate (15), the inside that rotating shell (14) one end was kept away from to locating plate (15) is fixed with axis of rotation (16), the outside that locating plate (15) one end was kept away from to axis of rotation (16) rotates and is connected with limiting plate (17).

Further, fixed shell (13) are fixed to the bottom of limiting plate (17), angle backup pad (25) are all slidingly connected at the both ends at fixed shell (13) top, constant head tank (27) have been seted up to the inside on angle backup pad (25) top, constant head tank (27) and locating plate (15) sliding connection, circular through-hole has all been seted up to the inside of angle backup pad (25) both sides, the inside of fixed shell (13) just is located and is fixed with reset spring (26) between two angle backup pads (25).

Further, the display screen (2) is connected with the power supply (4) through a first lead (3).

Further, the dial (7) is connected with the power supply (4) through a second lead (5).

According to a second aspect of the present utility model, there is provided a method of using the device for controlling a slope ratio attached to an excavator, comprising the steps of:

s100: lime lines are scattered on the ground to determine excavation edges, and the position of a laser range finder (10) is a number (1) point;

s200: the laser range finder (10) is adjusted to be horizontal, the laser range finder deflects the < 1 downwards, so that rays of the laser range finder (10) can be emitted to a (2) point on an excavation line, the < 1 is recorded, and the rays are input into the display screen (2);

s300: measuring first data L1, wherein the L1 data is automatically imported into the display screen (2);

s400: deflecting the laser range finder (10) for a certain angle of & lt 2 again, enabling rays of the laser range finder (10) to be emitted to a (3) point on an actual excavation surface, recording & lt 2 data and inputting the & lt 2 data into the display screen (2);

s500: and measuring a second distance measurement value L2, and automatically importing L2 data into the display screen (2).

Further, the method comprises the steps of:

s201: when the earth excavation depth exceeds the height of the excavator, the laser range finder (10) is adjusted to be horizontal, default & lt 1=0 is input into the display screen (2), L1 is measured, and L1 data is automatically imported into the display screen (2);

s202: the laser range finder (10) deflects a certain angle & lt 2 again, records the data of the & lt 2 and inputs the data into the display screen (2);

s203: measuring a second distance measurement value L2, and automatically importing L2 data into the display screen (2);

s204: and excavating according to the indication, measuring data return to zero after excavating to a certain extent, and repeating the operation, so as to achieve the aim of accurately controlling the slope ratio.

Further, it is characterized in that,

s401: the lifting rotating rod (21) is rotated to drive the fixed bracket (6) to lift on the inner side of the rotating shell (14);

s402: and a connecting bolt is arranged to drive the angle supporting plate (25) to move so as to fix the rotating shell (14) after the angle is adjusted.

Meanwhile, through the technical scheme, the utility model has at least the following beneficial effects:

according to the slope ratio control device attached to the excavator and the use method thereof, the bracket is fixed on the cab, the dial is arranged at the top of the fixed bracket through the connection shaft in a rotating manner, the dial can be conveniently adjusted, the first level is fixed at one end of the dial, the rotatable laser range finder is arranged at the top of the dial, the angle of the laser range finder can be manually adjusted, the pointer is fixed at one end of the laser range finder, the pointing direction of the pointer is always consistent with the laser beam direction of the laser range finder, the second level is fixed at one side of the laser range finder, and the horizontal line of sight is established through the first level and the second level to measure the height difference between two points on the ground;

through the cooperation of the threaded rod, the sliding block, the lifting plate and the rotating column, the lifting plate can be driven to lift through the rotation of the rotating column, and the fixing support is driven to lift through the lifting of the lifting plate so as to adjust the height of the fixing support according to the requirement;

through the cooperation of locating plate, angle backup pad, reset spring and constant head tank, can let the constant head tank get into the outside of locating plate through adjusting the distance between two angle backup pads, it is spacing to the rotation angle who rotates the shell through spacing to the locating plate.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view showing the gradient of the present utility model before use;

FIG. 3 is a schematic view showing the gradient after the present utility model is used;

FIG. 4 is a schematic view of the structure of the first level of the present utility model;

FIG. 5 is a cross-sectional view of FIG. 4 in accordance with the present utility model;

FIG. 6 is a schematic diagram of a slope ratio control of the present utility model;

FIG. 7 is a map showing the slope ratio control of the present utility model;

FIG. 8 is a schematic structural view of a stationary housing of the present utility model;

FIG. 9 is a schematic view of the internal structure of the rotary shell of the present utility model;

FIG. 10 is a schematic view of a lifter plate according to the present utility model;

fig. 11 is a schematic view showing the internal structure of the fixing case of the present utility model.

In the figure: 1. a cab; 2. a display screen; 3. a first wire; 4. a power supply; 5. a second wire; 6. a fixed bracket; 7. a dial; 8. a first level; 9. a connecting shaft; 10. a laser range finder; 11. a second level; 12. a pointer; 13. a fixed case; 14. rotating the shell; 15. a positioning plate; 16. a rotating shaft; 17. a limiting plate; 18. a threaded rod; 19. a sliding block; 20. a lifting plate; 21. a lifting rotating rod; 22. a worm; 23. a worm wheel; 24. rotating the column; 25. an angle support plate; 26. a return spring; 27. and a positioning groove.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

The utility model provides a slope ratio control device attached to an excavator and a using method thereof.

Specifically, referring to fig. 1 to 5, the slope ratio control device specifically includes:

the fixed support 6 is fixed on the outer side of the cab 1, the top of the fixed support 6 is provided with a dial 7, the top of the fixed support 6 is rotationally connected with a connecting shaft 9, the connecting shaft 9 is fixed with the dial 7, the dial 7 can rotate on the top of the fixed support 6, one end of the dial 7 is fixed with a first level 8, the top of the dial 7 is rotationally connected with a laser range finder 10, and one side of the laser range finder 10 is fixed with a second level 11;

a display screen 2 positioned inside the cab 1;

the power supply 4 is positioned at the inner side of the cab 1, the display screen 2 is connected with the power supply 4 through a first lead 3, and the dial 7 is connected with the power supply 4 through a second lead 5;

pointer 12 is located at one end of laser rangefinder 10.

According to the slope ratio control device attached to the excavator and the use method thereof, the fixed support 6 is fixed on the cab 1, the dial 7 is arranged on the top of the fixed support 6 in a rotating connection mode through the connecting shaft 9, adjustment of the dial 7 can be facilitated, the first level 8 is fixed at one end of the dial 7, the rotatable laser range finder 10 is arranged on the top of the dial 7, the angle of the laser range finder 10 can be manually adjusted, the pointer 12 is fixed at one end of the laser range finder 10, the pointing direction of the pointer 12 is always consistent with the laser beam direction of the laser range finder 10, the second level 11 is fixed at one side of the laser range finder 10, and the horizontal line of sight is established through the first level 8 and the second level 11 to measure the height difference between two points of the ground.

It should be noted that, under the condition of no conflict, the embodiments of the present utility model and the features and technical solutions in the embodiments may be combined with each other.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

Example 1

Referring to fig. 1 to 5, a slope ratio control device attached to an excavator comprises a display screen 2, a power supply 4 and a fixed bracket 6, wherein the display screen 2 is positioned at the top of the power supply 4, the display screen 2 is positioned at the inner side of a cab 1, the display screen 2 is arranged at a position which does not influence the vision range of a driver, and the display screen 2 is connected with the power supply 4 through a first lead 3, so that power and signals can be transmitted through the first lead 3;

the necessary information can be input through the touch screen of the display screen 2, and the display screen 2 is internally provided with a mathematical calculation unit, and the principle of the mathematical calculation unit is that the slope ratio X can be input by: y displays a theoretical triangle graph of the slope ratio required by the earth side operation scheme on the display screen 2; and then, obtaining an actual triangle pattern through the first round of ranging, namely, the first time ranging L1 of the laser range finder 10 after deflecting downwards from the horizontal direction by the angle of less than 1, the second time ranging L2 of the laser range finder 10 after deflecting downwards again by the angle of less than 2, comparing the actual triangle pattern with a theoretical triangle pattern, obtaining how much millimeter distance L3 is required to be transversely excavated, and carrying out voice broadcasting on the comparison result.

The fixed support 6 is positioned at one end of the power supply 4, the fixed support 6 is fixed at the outer side of the cab 1, the top of the fixed support 6 is rotationally connected with the dial 7, the dial 7 is connected with the power supply 4 through the second lead 5, electric power and signals can be transmitted through the second lead 5, the top of the fixed support 6 is rotationally connected with the connecting shaft 9, the connecting shaft 9 is fixed with the dial 7, the dial 7 can rotate at the top of the fixed support 6, one end of the dial 7 is fixedly provided with the first level 8, the dial 7 can be adjusted to be vertical to the horizontal plane at any time through the action of the first level 8, the top of the dial 7 is rotationally connected with the laser range finder 10, one side of the laser range finder 10 is fixedly provided with the second level 11, the laser range finder 10 can be ensured to measure the horizontal distance at any time through the action of the second level 11, and one end of the laser range finder 10 is fixedly provided with the pointer 12;

the slope ratio control device that this embodiment provided, fixed bolster 6 is fixed in the outside of driver's cabin 1, then rotate through connecting axle 9 at the top of fixed bolster 6 and connect setting up calibrated scale 7, can be convenient for adjust calibrated scale 7, then fix first water level 8 in the one end of calibrated scale 7, set up rotatable laser range finder 10 at the top of calibrated scale 7, can manually adjust the angle of laser range finder 10, fix pointer 12 in the one end of laser range finder 10, can let the pointing of pointer 12 unanimous with the laser beam direction of laser range finder 10 all the time, and fix second water level 11 in one side of laser range finder 10, ensure through first water level 8 and second water level 11 that range finding L1 is located the horizontal direction and L1 and L2 forms the plane perpendicular to domatic.

Example two

Referring to fig. 2, 3, 6 and 7, a method for using a slope ratio control device attached to an excavator is provided for the first embodiment, and includes the following steps:

lime lines are scattered on the ground to determine excavation edges, and the position of the laser range finder 10 is a number (1) point;

the laser range finder 10 is adjusted to be horizontal, the angle 1 is deflected downwards, so that rays of the laser range finder 10 can be emitted to a (2) point on an excavation line, and the angle 1 is recorded and input into the display screen 2;

the distance between the excavator and different positions of the slope is measured by adjusting the angle through the rotation of the laser range finder 10;

measuring first data L1 (namely the distance from the point (1) to the point (2)), and automatically importing the L1 data into the display screen 2;

deflecting the laser range finder 10 by a certain angle 2 again, enabling rays of the laser range finder 10 to be shot to a (3) number point on an actual excavation surface, recording the data of the angle 2, and inputting the data of the angle 2 into the display screen 2;

measuring a second distance measurement value L2 (namely the distance from the point (1) to the point (3)), and automatically importing L2 data into the display screen 2;

when the earth excavation depth exceeds the height of the excavator, the laser range finder 10 is adjusted to be horizontal, the laser range finder is input into the display screen 2 by default of & lt 1=0, the measured L1 and L1 data are automatically imported into the display screen 2;

the laser range finder 10 deflects a certain angle 2 again, records the data of the angle 2 and inputs the data into the display screen 2;

measuring a second distance measurement value L2, and automatically importing L2 data into the display screen 2;

excavating according to the indication, measuring data to zero after excavating to a certain extent, repeating the above operation, and achieving the purpose of accurately controlling the slope ratio;

the training device can be used for training the excavator driver before the device is used; theoretical slope ratio is input in advance on the display screen 2, a slope triangle graph is formed on the display screen 2, a calculation program is arranged in the display screen 2, and the triangle excavated to the slope can be determined and displayed according to the data (namely L1, L2, < 1 > and < 2 >) of one and two angles which are actually measured. The slope ratio is input in advance, the angle 1 of the laser range finder 10 is changed to be aligned with an excavation boundary (when the earth excavation depth exceeds the height of the excavator, the excavation boundary is adjusted to be horizontal), a first distance is measured, the angle 2 of the laser range finder 10 is changed to be aligned with a part needing to be excavated continuously, a second distance is obtained, and the angles 1 and 2 are input into the display screen 2. Obtaining an excavated triangle and a triangle to be excavated, and comparing the triangle and the triangle to be excavated to obtain the depth to be excavated continuously. The principle is as follows: the slope ratio can be input in advance to obtain the angle 3, the first deflection angle is input to obtain the angle 4 (< 4 = 3+ < 1), the distance from the distance measuring device to the theoretical slope surface along the L2 direction (namely, the distance from the point (1) to the point (4)) can be obtained through calculation, and the distance from the distance measuring device to the actual excavation surface L2 is measured, so that the excavation depth L3 (namely, the distance from the point (3) to the point (4)) can be continuously excavated.

Example III

Referring to fig. 8-11, a method for using a slope ratio control device attached to an excavator is disclosed based on the first embodiment, wherein a rotating shell 14 is slidably connected to the outer side of the bottom end of a fixed support 6, so that the fixed support 6 can be adjusted inside the rotating shell 14, sliding blocks 19 are fixed to both ends of the bottom of the fixed support 6, the fixed support 6 is slidably connected with the rotating shell 14 through the sliding blocks 19, so that the fixed support 6 can only be lifted and lowered inside the rotating shell 14 and cannot rotate, and an adjusting mechanism for driving the fixed support 6 to lift and lower is installed inside the rotating shell 14;

the adjusting mechanism comprises a threaded rod 18, a lifting plate 20, a lifting rotating rod 21, a worm 22, a worm wheel 23 and a rotating column 24, wherein the bottom of the threaded rod 18 is fixed with the rotating shell 14, so that the threaded rod 18 cannot rotate in the rotating shell 14, the outer side of the threaded rod 18 is in threaded connection with the rotating column 24, the rotating column 24 can lift outside the threaded rod 18 when rotating, the lifting plate 20 is in rotational connection with the outer side of the rotating column 24, the lifting plate 20 is fixed with the fixed bracket 6, the lifting of the rotating column 24 drives the lifting plate 20 to lift, the lifting rotating rod 21 is in rotational connection with the inner side of the fixed bracket 6, the lifting rotating rod 21 is in sliding connection with the rotating shell 14, one end of the lifting rotating rod 21 is fixedly provided with the worm 22 in the fixed bracket 6, the lifting of the lifting plate 20 can be adjusted by manually driving the tool to lift, one side of the worm 22 is in meshed connection with the worm wheel 23, and the worm wheel 23 is fixed on the outer side of the rotating column 24, so that the rotating column 24 can be driven by the rotation of the worm wheel 23;

the two ends of the bottom of the rotating shell 14 are fixedly provided with positioning plates 15, the inside of one end of the positioning plates 15 far away from the rotating shell 14 is fixedly provided with a rotating shaft 16, the outside of one end of the rotating shaft 16 far away from the positioning plates 15 is rotationally connected with a limiting plate 17, and the bottom of the limiting plate 17 is fixedly provided with a fixed shell 13, so that the height of the rotating shell 14 can be supported by the supporting of the rotating shaft 16 through the limiting plate 17, the two ends of the top of the fixed shell 13 are both in sliding connection with an angle supporting plate 25, the inside of the top of the angle supporting plate 25 is provided with a positioning groove 27, the positioning groove 27 is positioned on the outside of the rotating shaft 16, the positioning groove 27 is in sliding connection with the positioning plates 15, the angle supporting plate 25 can enter the outside of the positioning plates 15 to be fixed after the inside of the fixed shell 13 moves to adjust the angle of the rotating shell 14, the inside of the two sides of the angle supporting plate 25 are both sides of the connecting bolt are provided with circular through the circular through holes on the same side, and the two angle supporting plates 25 are close to each other, and a reset spring 26 is fixed between the two angle supporting plates 25;

according to the slope ratio control device provided by the embodiment, the fixed shell 13 is fixed on the outer side of the cab 1, refraction and the like of window glass are avoided, when an angle is required to be adjusted, the angle of the rotating shell 14 at the top of the fixed shell 13 is adjusted through the rotating connection of the rotating shaft 16 and the limiting plate 17, then the two angle support plates 25 are made to approach through the connecting bolts, so that the two angle support plates 25 move to extrude the reset spring 26, meanwhile, the positioning groove 27 is positioned on the outer side of the positioning plate 15 in sliding connection, the rotation of the positioning plate 15 is positioned through the positioning groove 27, and then the angle adjusted by the rotating shell 14 is fixed through the fixation of the connecting screw plug;

when the height of the fixed support 6 needs to be adjusted, the operator manually rotates the lifting rotating rod 21 to drive the worm 22 to rotate, the worm 22 rotates to drive the rotating column 24 to rotate through the worm wheel 23 in meshed connection, the rotating column 24 rotates to lift through the fixing of the threaded rod 18 and the rotating shell 14, the lifting of the rotating column 24 drives the lifting plate 20 to lift, the lifting plate 20 drives the fixed support 6 to lift, and meanwhile the fixed support 6 can lift the lifting rotating rod 21 on the inner side of the rotating shell 14 when the inner side of the rotating shell 14 lifts.

Example IV

A method for using a slope ratio control device attached to an excavator is used in the third embodiment, and comprises the following steps:

the lifting rotating rod 21 is rotated to drive the fixed bracket 6 to lift on the inner side of the rotating shell 14;

and a connecting bolt is arranged to drive the angle supporting plate 25 to move so as to fix the rotating shell 14 after the angle is adjusted.

The utility model provides a slope ratio control device attached to an excavator and a using method thereof, wherein the using process of the slope ratio control device is as follows:

the fixed support 6 is fixed on the cab 1, then the dial 7 is arranged on the top of the fixed support 6 through the connection shaft 9 in a rotating way, the dial 7 can be conveniently adjusted, the first level 8 is fixed at one end of the dial 7, the rotatable laser range finder 10 is arranged on the top of the dial 7, the angle of the laser range finder 10 can be manually adjusted, the pointer 12 is fixed at one end of the laser range finder 10, the pointing direction of the pointer 12 is always consistent with the laser beam direction of the laser range finder 10, the second level 11 is fixed at one side of the laser range finder 10, and the horizontal sight is established through the first level 8 and the second level 11 to measure the height difference between two points of the ground;

the training device can be used for training the excavator driver before the device is used; theoretical slope ratio is input in advance on the display screen 2, a slope triangle graph is formed on the display screen 2, a calculation program is arranged in the display screen 2, and the triangle excavated to the slope can be determined and displayed according to the data (namely L1, L2, < 1 > and < 2 >) of one and two angles which are actually measured. The slope ratio is input in advance, the angle 1 of the laser range finder 10 is changed to be aligned with an excavation boundary (when the earth excavation depth exceeds the height of the excavator, the excavation boundary is adjusted to be horizontal), a first distance is measured, the angle 2 of the laser range finder 10 is changed to be aligned with a part needing to be excavated continuously, a second distance is obtained, and the angles 1 and 2 are input into the display screen 2. Obtaining an excavated triangle and a triangle to be excavated, and comparing the triangle and the triangle to be excavated to obtain the depth to be excavated continuously. The principle is as follows: inputting a slope ratio in advance to obtain < 3 >, inputting a first deflection angle < 1 > to obtain < 4 > = < 3+ > 1), calculating the distance from the distance measuring device to the theoretical slope surface along the L2 direction (namely, the distance from the (1) point to the (4) point), and continuously excavating the depth L3 (namely, the distance from the (3) point to the (4) point) because the distance measuring device is measured to the actual excavation surface L2;

when the angle is required to be adjusted, the rotating shaft 16 is connected with the limiting plate 17 to adjust the angle of the rotating shell 14 at the top of the fixed shell 13, then the two angle supporting plates 25 are close to each other through connecting bolts, so that the two angle supporting plates 25 move to press the reset spring 26, the positioning groove 27 is positioned at the outer side of the positioning plate 15 in sliding connection, the positioning groove 27 is used for positioning the rotation of the positioning plate 15, and then the angle adjusted by the rotating shell 14 is fixed through the fixation of the connecting screw plug;

when the height of the fixed support 6 needs to be adjusted, the operator manually rotates the lifting rotating rod 21 to drive the worm 22 to rotate, the worm 22 rotates to drive the rotating column 24 to rotate through the worm wheel 23 in meshed connection, the rotating column 24 rotates to lift through the fixing of the threaded rod 18 and the rotating shell 14, the lifting plate 20 is driven to lift by the lifting of the rotating column 24, and the fixed support 6 is driven to lift by the lifting of the lifting plate 20.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims (10)

1. The slope ratio control device attached to the excavator is characterized by comprising a display screen (2), a power supply (4) and a fixed support (6), wherein the display screen (2) is positioned at the top of the power supply (4), and the fixed support (6) is positioned at one end of the power supply (4);

the automatic lifting device is characterized in that a rotating shell (14) is slidably connected to the outer side of the bottom end of the fixed support (6), sliding blocks (19) are fixedly arranged at two ends of the fixed support (6), the fixed support (6) and the rotating shell (14) are slidably connected through the sliding blocks (19), an adjusting mechanism used for driving the fixed support (6) to lift is mounted in the rotating shell (14), the adjusting mechanism comprises a threaded rod (18), a lifting plate (20), a lifting rotating rod (21), a worm (22), a worm wheel (23) and a rotating column (24), the bottom of the threaded rod (18) is fixed with the rotating shell (14), a rotating column (24) is connected to the outer side of the threaded rod (18) in a threaded manner, and the lifting plate (20) is fixed with the fixed support (6);

the top of fixed bolster (6) rotates and is connected with calibrated scale (7), the one end of calibrated scale (7) is fixed with first spirit level (8), and the top of calibrated scale (7) rotates and is connected with laser range finder (10), one side of laser range finder (10) is fixed with second spirit level (11), the one end of laser range finder (10) is fixed with pointer (12).

2. The slope ratio control device attached to an excavator according to claim 1, wherein the inside of the fixed support (6) is rotatably connected with a lifting rotating rod (21), the lifting rotating rod (21) is slidably connected with the rotating shell (14), one end of the lifting rotating rod (21) is fixedly provided with a worm (22) inside the fixed support (6), one side of the worm (22) is connected with a worm wheel (23) in a meshed manner, and the worm wheel (23) is fixed on the outer side of the rotating column (24).

3. A slope ratio control device for attachment to an excavator according to claim 2, characterized in that the top of the fixed support (6) is rotatably connected with a connecting shaft (9), the connecting shaft (9) being fixed with the dial (7).

4. A slope ratio control device for attachment to an excavator according to any one of claims 1-3, wherein positioning plates (15) are fixed at both ends of the bottom of the rotating housing (14), a rotating shaft (16) is fixed inside the end of the positioning plates (15) away from the rotating housing (14), and a limiting plate (17) is rotatably connected to the outer side of the end of the rotating shaft (16) away from the positioning plates (15).

5. The slope ratio control device attached to an excavator according to claim 4, wherein a fixing shell (13) is fixed at the bottom of the limiting plate (17), angle support plates (25) are slidably connected to two ends of the top of the fixing shell (13), positioning grooves (27) are formed in the tops of the angle support plates (25), the positioning grooves (27) are slidably connected with the positioning plates (15), circular through holes are formed in the two sides of the angle support plates (25), and return springs (26) are fixed between the two angle support plates (25) and the inside of the fixing shell (13).

6. A slope control device for attachment to an excavator according to any one of claims 1-3, characterised in that the display screen (2) is connected to the power source (4) via a first wire (3).

7. A slope ratio control device for attachment to an excavator according to any one of claims 1-3, characterised in that the dial (7) is connected to the power source (4) by means of a second wire (5).

8. A method of using the slope ratio control device attached to an excavator according to any one of claims 1 to 7, comprising the steps of:

s100: lime lines are scattered on the ground to determine excavation edges, and the position of a laser range finder (10) is a number (1) point;

s200: the laser range finder (10) is adjusted to be horizontal, the laser range finder deflects the < 1 downwards, so that rays of the laser range finder (10) can be emitted to a (2) point on an excavation line, the < 1 is recorded, and the rays are input into the display screen (2);

s300: measuring first data L1, wherein the L1 data is automatically imported into the display screen (2);

s400: deflecting the laser range finder (10) for a certain angle of & lt 2 again, enabling rays of the laser range finder (10) to be emitted to a (3) point on an actual excavation surface, recording & lt 2 data and inputting the & lt 2 data into the display screen (2);

s500: and measuring a second distance measurement value L2, and automatically importing L2 data into the display screen (2).

9. A method of using the slope ratio control apparatus of claim 8 attached to an excavator, comprising:

s201: when the earth excavation depth exceeds the height of the excavator, the laser range finder (10) is adjusted to be horizontal, default & lt 1=0 is input into the display screen (2), L1 is measured, and L1 data is automatically imported into the display screen (2);

s202: the laser range finder (10) deflects a certain angle & lt 2 again, records the data of the & lt 2 and inputs the data into the display screen (2);

s203: measuring a second distance measurement value L2, and automatically importing L2 data into the display screen (2);

s204: and excavating according to the indication, measuring data return to zero after excavating to a certain extent, and repeating the operation, so as to achieve the aim of accurately controlling the slope ratio.

10. A method of using a controlled slope ratio apparatus attached to an excavator according to claim 8,

s401: the lifting rotating rod (21) is rotated to drive the fixed bracket (6) to lift on the inner side of the rotating shell (14);

s402: and a connecting bolt is arranged to drive the angle supporting plate (25) to move so as to fix the rotating shell (14) after the angle is adjusted.