Automatic elevation measurement system of excavator

Abstract

The utility model discloses an automatic elevation measurement system of an excavator, and particularly relates to the technical field of elevation measurement of excavators, which comprises a base station, a GNSS (Global Navigation Satellite System) receiver and a display, the base station is erected at an open position of a construction area, the GNSS receiver is arranged on a forearm bracket of the excavator, the display is arranged in a cab of the excavator, and the GNSS receiver is arranged on the forearm bracket of the excavator. The base station is used for continuously observing satellites and sending observation data and observation station information to the GNSS receiver in real time through the radio transmission equipment, and the GNSS receiver receives GPS satellite signals at the same time. According to the utility model, the base station and the GNSS receiver are matched to automatically measure elevation data, and the display can display the elevation data, so that an excavator driver can conveniently check the elevation condition of a working surface at any time, thereby reducing the measurement work of a construction site, improving the construction quality and the construction efficiency, and reducing the reworking activity caused by excessive excavation and underexcavation of the excavator driver.

Description

Technical Field

[0001] This utility model relates to the field of excavator elevation measurement technology, and more specifically to an automatic elevation measurement system for excavators. Background Technology

[0002] An excavator is an earthmoving machine that uses a bucket to excavate materials above or below the machine's bearing surface and loads them into transport vehicles or unloads them at a stockpile. The materials excavated by excavators are mainly soil, coal, silt, and pre-loosened soil and rock, making it one of the most important pieces of construction machinery. For excavators in various construction conditions (municipal, road, farmland, etc.), surveyors need to mark points before construction begins, and surveyors also need to measure and verify the work surface after construction to confirm that the design elevation has been reached, thereby ensuring construction quality. For example, there is an excavator and its construction system disclosed in existing technology publication number CN208844647U.

[0003] However, the existing technologies mentioned above still have the following problems when used: traditional construction methods of excavators are subject to various constraints, making it difficult to control them precisely, resulting in multiple expenses such as material and fuel consumption. In addition, a large number of auxiliary workers are needed on the construction site to perform measurements, which results in low measurement efficiency, disorder between people and machines, and many safety hazards. Based on this, this utility model provides an automatic elevation measurement system for excavators. Utility Model Content

[0004] To overcome the aforementioned deficiencies in the prior art, this utility model provides an automatic elevation measurement system for excavators. This system automatically measures elevation data using a base station and a GNSS receiver, and displays the elevation data on a monitor, allowing excavator operators to easily check the elevation of the work surface at any time. This reduces on-site surveying work, improves construction quality and efficiency, and reduces rework caused by over-digging or under-digging by excavator operators, thus solving the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an automatic elevation measurement system for excavators, comprising a base station, a GNSS receiver, and a display. The base station is erected in an open area of ​​the construction site, the GNSS receiver is mounted on the excavator boom support, and the display is mounted inside the excavator cab.

[0006] The reference station is used to continuously observe the satellite and transmit its observation data and station information to the GNSS receiver in real time via radio transmission equipment. While receiving GPS satellite signals, the GNSS receiver receives the data transmitted by the reference station via wireless receiving equipment to obtain three-dimensional coordinates.

[0007] The GNSS receiver and the display transmit the obtained elevation data via Bluetooth. This data is used to measure the vertical distance from the antenna to the measurement point when the excavator's boom is perpendicular to the ground and the bucket is parallel to the ground. The measured distance is then displayed on the screen, thus enabling the excavator elevation measurement project.

[0008] In a preferred embodiment, the base station includes a detection box, inside which is a circular plate. The circular plate is installed inside the detection box via a lifting mechanism. A receiver is threadedly connected to the top of the circular plate. Mounting slots are provided on both sides of the top of the circular plate, and the GNSS receiver and the display can be respectively housed in the two mounting slots.

[0009] The bottom of the GNSS receiver is connected to a mounting plate, which is used to support the GNSS receiver and fix it on the excavator boom bracket. The display is connected to a mounting mechanism, which is used to support the display and fix it on the windshield of the excavator cab, so that the excavator operator can view the elevation data at any time.

[0010] In a preferred embodiment, the lifting mechanism includes two electric slides connected to the front and rear sides of the circular plate. The inner walls of the front and rear sides of the detection box are provided with fixing grooves. The two electric slides are fixed in the two fixing grooves respectively. The circular plate is lifted and lowered by means of the electric slides, without the need for manual operation, which saves time and effort.

[0011] In a preferred embodiment, the top of the detection box is hinged with a protective cover, and the front end of the protective cover has a rectangular groove to facilitate the staff to open the protective cover and take out the display and GNSS receiver.

[0012] In a preferred embodiment, the mounting mechanism includes a bracket fixed to the end of the display away from the receiver, and a suction cup fixed to the end of the bracket away from the display. The display is attached to the windshield of the excavator cab by the suction cup, which facilitates quick installation and removal of the suction cup and is very convenient to use.

[0013] In a preferred embodiment, a threaded rod is fixedly provided at the bottom of the GNSS receiver, and a threaded hole is provided at the top of the mounting plate. The threaded rod is threadedly connected to the threaded hole, which facilitates the disassembly of the mounting plate and replacement of the GNSS receiver.

[0014] In a preferred embodiment, the bottom of the testing box is fixedly provided with a plurality of casters with brakes, and the top front end of the testing box is fixedly provided with a handle to facilitate the operation and movement of the testing box by the staff.

[0015] The technical effects and advantages of this utility model are as follows:

[0016] 1. This utility model automatically measures elevation data by using a base station and a GNSS receiver. At the same time, the display can show the elevation data, allowing the excavator operator to check the elevation of the working face at any time. This can reduce on-site surveying work, improve construction quality and efficiency, and reduce rework caused by over-digging or under-digging by the excavator operator.

[0017] 2. The test box is designed to carry the receiver, GNSS receiver, and display. It not only serves to store and protect the receiver, GNSS receiver, and display, extending their service life, but also acts as an anti-theft device. It is simple in construction and easy to carry. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of the present invention.

[0019] Figure 2 A schematic diagram of the base station structure of this utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the GNSS receiver and display of this utility model being incorporated into the detection box;

[0021] Figure 4 This utility model Figure 3 A partial schematic diagram;

[0022] Figure 5 This is a schematic diagram of the detection box structure of this utility model;

[0023] Figure 6 This is a structural diagram of the display and mounting mechanism of this utility model.

[0024] The attached diagram is labeled as follows: 1. Base station; 2. GNSS receiver; 3. Display; 4. Mounting slot; 5. Mounting plate; 6. Mounting mechanism; 7. Protective cover; 8. Rectangular groove; 9. Threaded rod; 10. Threaded hole; 11. Caster wheel; 12. Handle;

[0025] 101. Detection box; 102. Circular plate; 103. Lifting mechanism; 104. Receiver;

[0026] 1031. Electric slide table; 1032. Fixing slot;

[0027] 601, bracket; 602, suction cup. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] Refer to the instruction manual appendix Figure 1-6 This utility model provides an automatic elevation measurement system for excavators, including a base station 1, a GNSS receiver 2, and a display 3. The base station 1 is set up in an open area of ​​the construction site, the GNSS receiver 2 is installed on the excavator boom support, and the display 3 is installed inside the excavator cab.

[0030] The base station 1 includes a detection box 101, inside which is a circular plate 102. The circular plate 102 is installed inside the detection box 101 via a lifting mechanism 103. A receiver 104 is threadedly connected to the top of the circular plate 102. Mounting slots 4 are provided on both sides of the top of the circular plate 102, and the GNSS receiver 2 and the display 3 can be respectively stored in the two mounting slots 4.

[0031] Specifically, the display 3 is connected to a mounting mechanism 6, which includes a bracket 601 fixed to the end of the display 3 away from the receiver 104. A suction cup 602 is fixed to the end of the bracket 601 away from the display 3. The display 3 is attached to the windshield of the excavator cab by the suction cup 602. The bottom of the GNSS receiver 2 is connected to a mounting plate 5, and a threaded rod 9 is fixed to the bottom of the GNSS receiver 2. A threaded hole 10 is opened on the top of the mounting plate 5, and the threaded rod 9 is threadedly connected to the threaded hole 10, which facilitates the disassembly of the mounting plate 5 and the GNSS receiver 2 for replacement.

[0032] The lifting mechanism 103 includes two electric slides 1031 connected to the front and rear sides of the circular plate 102. The inner walls of the front and rear sides of the detection box 101 are provided with fixing grooves 1032. The two electric slides 1031 are respectively fixed in the two fixing grooves 1032. The circular plate 102 is lifted and lowered by means of the electric slides 1031, without manual operation, which saves time and effort. The top of the detection box 101 is hinged with a protective cover 7. The front end of the protective cover 7 is provided with a rectangular groove 8, which makes it easy for the staff to open the protective cover 7 and take out the display 3 and GNSS receiver 2 for use.

[0033] The bottom of the testing box 101 is fixedly provided with multiple casters 11 with brakes, and the top front end of the testing box 101 is fixedly provided with a handle 12 to facilitate the operation of the testing box 101 by the staff.

[0034] In use, the operator first pushes the detection box 101 to an open area of ​​the construction site, then opens the protective cover 7, and uses two electric slides 1031 to move the circular plate 102 upward. Then, the GNSS receiver 2 is installed on the excavator boom support, and the display 3 is installed on the windshield of the excavator cab. A receiver 104 is placed inside the base station 1 as a reference station for continuous satellite observation. Its observation data and station information are transmitted in real-time to the GNSS receiver 2 via radio transmission equipment. While receiving GPS satellite signals, the GNSS receiver 2 also receives data transmitted from the base station 1 via wireless receiving equipment, and then... The positioning principle calculates the three-dimensional coordinates and accuracy of the rover station in real time. The GNSS receiver 2 and the display 3 transmit the obtained elevation data H to the display 3 via Bluetooth. This is used to measure the vertical distance h from the antenna to the measurement point when the excavator's boom is perpendicular to the ground and the bucket is parallel to the ground. The value (Hh) is automatically calculated and displayed on the screen of the display 3. This value is the elevation of the measurement point, realizing the excavator elevation measurement project. It is convenient for the excavator operator to check the elevation of the working surface at any time, thereby reducing the site surveying work, improving construction quality and efficiency, and reducing rework caused by the excavator operator digging too much or too little.

[0035] After use, the staff remove the display 3 and GNSS receiver 2 from the excavator and place them back into the mounting slot 4 on the circular plate 102. Then, they lock the protective cover 7. The detection box 101 not only serves to store and protect the receiver 104, GNSS receiver 2 and display 3, but also serves as an anti-theft device. It is simple in structure and easy to carry.

[0036] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An automatic elevation measurement system for excavators, comprising a base station (1), a GNSS receiver (2), and a display (3), characterized in that: The base station (1) is set up in an open area of ​​the construction area, the GNSS receiver (2) is installed on the excavator boom support, and the display (3) is installed inside the excavator cab. The reference station (1) is used to continuously observe the satellite and transmit its observation data and station information to the GNSS receiver (2) in real time through a radio transmission device. While receiving GPS satellite signals, the GNSS receiver (2) receives the data transmitted by the reference station (1) through a wireless receiving device to obtain three-dimensional coordinates. The GNSS receiver (2) and the display (3) transmit the obtained elevation to the display (3) via Bluetooth. This is used to measure the vertical distance from the antenna to the measurement point when the excavator's boom is perpendicular to the ground and the bucket surface is parallel to the ground, and to display it on the screen of the display (3), thus realizing the excavator elevation measurement project.

2. The automatic elevation measurement system for excavators according to claim 1, characterized in that: The base station (1) includes a detection box (101), inside which is a circular plate (102). The circular plate (102) is installed inside the detection box (101) via a lifting mechanism (103). A receiver (104) is threadedly connected to the top of the circular plate (102). Mounting slots (4) are provided on both sides of the top of the circular plate (102). The GNSS receiver (2) and the display (3) can be stored in the two mounting slots (4) respectively. The bottom of the GNSS receiver (2) is connected to a mounting plate (5), which is used to support the GNSS receiver (2) to be fixed on the excavator boom bracket. The display (3) is connected to a mounting mechanism (6), which is used to support the display (3) to be fixed on the windshield of the excavator cab.

3. The automatic elevation measurement system for excavators according to claim 2, characterized in that: The lifting mechanism (103) includes two electric slides (1031) connected to the front and rear sides of the circular plate (102). The inner walls of the front and rear sides of the detection box (101) are provided with fixing grooves (1032), and the two electric slides (1031) are respectively fixed in the two fixing grooves (1032).

4. The automatic elevation measurement system for excavators according to claim 2, characterized in that: The top of the testing box (101) is hinged with a protective cover (7), and a rectangular groove (8) is provided at the front end of the protective cover (7).

5. The automatic elevation measurement system for excavators according to claim 2, characterized in that: The mounting mechanism (6) includes a bracket (601) fixed to the end of the display (3) away from the receiver (104). A suction cup (602) is fixed to the end of the bracket (601) away from the display (3). The display (3) is attached to the windshield of the excavator cab by the suction cup (602).

6. The automatic elevation measurement system for excavators according to claim 2, characterized in that: The GNSS receiver (2) is fixedly provided with a threaded rod (9) at the bottom end, and the mounting plate (5) is provided with a threaded hole (10) at the top. The threaded rod (9) is threadedly connected to the threaded hole (10).

7. The automatic elevation measurement system for excavators according to claim 2, characterized in that: The bottom of the test box (101) is fixedly provided with multiple universal wheels (11) with brakes, and the front top of the test box (101) is fixedly provided with a handle (12).

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