A jumbo drilling detection system and a detection method thereof

Abstract

The application discloses a rock drilling jumbo drilling detection system and a detection method thereof, relates to the technical field of tunnel detection, and comprises a rock drilling jumbo body and a laser scanner. A drilling arm is arranged on one side of the advancing direction of the rock drilling jumbo body, the drilling arm is used for drilling a tunnel section, and a control unit and a data processing module are further arranged in the rock drilling jumbo body. The drilling arm is electrically connected with the control unit. A placing platform is arranged on the top of the rock drilling jumbo body, the laser scanner is placed on the top of the placing platform, after drilling of the drilling arm is completed and the tunnel rock wall is blasted, the laser scanner scans and detects the tunnel rock wall section, and transmits scanning data to the data processing module for analysis. After adjustment of each drilling parameter by the control unit, an action instruction is sent to the drilling arm to perform next drilling operation. The application has the effect of improving the tunnel section detection efficiency.

Description

Technical Field

[0001] The present application relates to the technical field of tunnel detection, and in particular to a drilling rig drilling detection system and a detection method thereof. Background Art

[0002] A drilling rig, also known as a drilling rig, is a type of rock drilling equipment used in tunnel and underground construction using the drill-and-blast method. It can be moved and support multiple rock drills operating simultaneously. Before tunnel excavation begins, the tunnel section to be excavated must be mapped to locate the appropriate blasthole locations. The drilling rig then performs operations such as drilling and cleaning the blastholes. After cleaning, explosives and water bags are placed into each blasthole, and finally, the blastholes are sealed with mortar. Once the explosives are installed, fuses are connected and all the fuses are tied together for simultaneous ignition and detonation. Finally, blasting is performed on the desired tunnel section.

[0003] After blasting a section of rock, the existing drilling rig needs to place a scanner on the ground in the tunnel after the blasting to detect the tunnel section after the blasting to verify the blasting effect, and use this as a basis to adjust the blasting parameters for the next blasting.

[0004] During inspection, the scanner needs to be placed manually in the excavated tunnel. However, the tunnel that has just been blasted is usually unstable, with a lot of dust inside and even falling gravel. The operation of manually entering the tunnel to place the scanner poses certain safety risks to the construction workers. Summary of the Invention

[0005] In order to improve the situation where the operation of manually entering the tunnel to place a scanner may cause personal injury to the construction workers, the present application provides a drilling rig drilling detection system and a detection method thereof.

[0006] On the one hand, the present application provides a drilling rig drilling detection system, which adopts the following technical solutions:

[0007] A drilling rig drilling detection system, comprising

[0008] A drilling rig body, wherein a drill arm is provided on one side of the drilling rig body in the forward direction, and the drill arm is used to drill holes in the tunnel section. A control unit and a data processing module are also provided in the drilling rig body, and the drill arm is electrically connected to the control unit;

[0009] Laser scanner, used to scan and detect the tunnel rock wall section after blasting;

[0010] A placement platform is provided on the top of the drilling trolley body, and the laser scanner is placed on the top of the placement platform;

[0011] After the drill arm has completed drilling and blasted the tunnel rock wall, the laser scanner scans and detects the tunnel rock wall section and transmits the scan data to the data processing module for analysis. The control unit adjusts the subsequent drilling parameters and then sends action instructions to the drill arm again to perform the next drilling operation.

[0012] By adopting the above technical solution, after the tunnel is blasted, construction workers can drive a drilling rig into the tunnel for inspection. The drilling rig is equipped with a laser scanner, which can automatically measure the tunnel section after blasting, collect and analyze the section information, and the control unit adjusts the subsequent drilling parameters and sends action instructions to the re-drilling arm, so as to adjust the next drilling operation in time. After entering the tunnel, the construction workers are protected by the drilling rig to ensure their personal safety and reduce the risk of injury to construction workers.

[0013] Optionally, a protective cover is provided on the top surface of the placement platform, the laser scanner is placed inside the protective cover, an opening is provided on one side of the protective cover for the laser scanner to be placed in, a horizontal moving component is provided on the top surface of the placement platform corresponding to the position of the protective cover, the laser scanner is arranged on the horizontal moving component, and a clamping component is provided inside the protective cover for clamping and fixing the laser scanner.

[0014] By adopting the above technical solution, the laser scanner is placed in the protective cover, which can provide necessary protection for the laser scanner to prevent damage to the laser scanner by foreign objects such as gravel. The horizontal moving component set in the protective cover makes it convenient for construction workers to push the laser scanner, thereby facilitating the placement or removal of the laser scanner. After the laser scanner is placed in the protective cover, the clamping component clamps and fixes the laser scanner, thereby fixing the laser scanner in the protective cover.

[0015] Optionally, the top surface of the placement platform is rotatably connected to a turntable, the protective cover is arranged on the top surface of the turntable, the rotation axis of the turntable is vertical, a connecting shaft is coaxially fixed to the bottom of the turntable, a driven gear is arranged outside the connecting shaft and coaxially fixed thereto, and a first driving member and a driving gear are also provided inside the placement platform, the driving gear is engaged with the driven gear, and the first driving member is used to drive the driving gear to rotate.

[0016] By adopting the above technical solution, the turntable is rotatably connected to the placement platform, and the laser scanner is placed on the turntable and can rotate along with the turntable, thereby facilitating the adjustment of the detection direction. The first driving member drives the driving gear to rotate, thereby driving the driven gear to rotate, and finally causing the turntable to rotate. The control unit can be electrically connected to the first driving member, so that the operation of the first driving member can be directly and automatically controlled by the control unit.

[0017] Optionally, the horizontal moving assembly comprises guide rails and supporting sliders, the guide rails are arranged in parallel and spaced apart, each of the guide rails is slidably connected with a supporting slider, the supporting slider is used for supporting the laser scanner, the two supporting sliders form a positioning groove therebetween to facilitate the positioning and placement of the bracket connecting seat at the bottom of the laser scanner, and the guide rail extends outward from the opening to form a protective cover at one end.

[0018] By adopting the above technical scheme, the supporting slider is slidably connected with the guide rail, the laser scanner is placed on the supporting slider, the laser scanner can be slidably connected with the guide rail through the supporting slider, the two supporting sliders form a positioning groove therebetween to facilitate the positioning and placement of the bracket connecting seat at the bottom of the laser scanner.

[0019] Optionally, a first buffer block is slidably connected in the supporting slider, the upper surface of the first buffer block is higher than the upper surface of the supporting slider and abuts against the bottom of the laser scanner, a first elastic member is further arranged in the supporting slider, the first elastic member is vertically placed, one end of the first elastic member abuts against the bottom of the first buffer block, and the other end of the first elastic member abuts against the inner bottom wall of the supporting slider.

[0020] By adopting the above technical scheme, the top wall of the first buffer block directly abuts against the bottom of the laser scanner, and the first elastic member is arranged at the bottom of the first buffer block, the first elastic member can effectively absorb the vibration from the drill jumbo, so that the measurement process of the laser scanner is more stable, and the data obtained by measurement is more accurate.

[0021] Optionally, the clamping assembly comprises a double-end screw and two clamping plates, the double-end screw is rotatably connected at both ends to the protective cover, the two clamping plates are arranged in parallel on both sides of the laser scanner, the double-end screw is threadedly connected with the two clamping plates at the same time, the double-end screw comprises two thread segments with opposite rotation directions, the two clamping plates are arranged on different thread segments of the double-end screw, and the protective cover is externally provided with a second driving member for driving the rotation of the double-end screw.

[0022] By adopting the above technical scheme, the two clamping plates are simultaneously arranged on the two thread segments with different rotation directions of the double-end screw, when the double-end screw rotates, the two clamping plates can move towards each other or away from each other, so as to realize the clamping or releasing action, and then the laser scanner can be clamped or released, and the control unit can automatically control the clamping or releasing action of the clamping plate by controlling the operation of the second driving member.

[0023] Optionally, a second buffer block is provided on the inner side walls opposite to each other of the two clamping plates, the second buffer block is horizontally slidably connected to the clamping plate, the side wall of the second buffer block is abutted against the side wall of the laser scanner, and a second elastic member is also provided between the second buffer block and the clamping plate, one end of the second elastic member is connected to the inner side wall of the second buffer block, and the other end is connected to the inner side wall of the clamping plate.

[0024] By adopting the above technical solution, the side wall of the second buffer block is abutted against the side wall of the laser scanner, and the second buffer block is horizontally slidably connected to the clamping plate. A second elastic member is also provided between the second buffer block and the clamping plate. The second elastic member can also absorb vibrations from the drilling trolley, thereby further improving the working stability of the laser scanner.

[0025] Optionally, a fixing plate is provided on the back side of the protective cover away from the opening, and a plurality of parallel diversion tubes are passed through the fixing plate. All of the diversion tubes are connected to an air duct at one end away from the protective cover, and the air duct is used to connect to an external air source. The end of the diversion tube away from the air duct is passed through the side wall of the protective cover and is connected to the internal space of the protective cover, and the air outlets of the diversion tubes are all facing the opening direction of the protective cover.

[0026] By adopting the above technical solution, after the air source outside the air duct is drawn in, the external airflow can enter each branch pipe through the air duct, and the external airflow finally enters the internal space of the protective cover from the air outlet of each branch pipe. When there is a lot of dust accumulation in the protective cover, the laser scanner can be taken out first, and then the external airflow can be used to blow the internal space of the protective cover, thereby cleaning the dust accumulated in the protective cover.

[0027] On the other hand, the present application provides a drilling rig borehole detection method, which uses the drilling rig borehole detection system as described in any one of the above to detect the tunnel section after blasting, comprising the following steps:

[0028] S1: Scan the tunnel section after blasting with a laser scanner to obtain tunnel point cloud data; then transmit the point cloud data to the data processing module for preprocessing to obtain preprocessed data, which includes using the laser scanner to continuously scan the tunnel section using a positioning target ball;

[0029] S2: Perform registration, denoising, coordinate system normalization, compression and 3D reconstruction on the acquired point cloud data, and import the collected data into the computing software.

[0030] S3: Through the tunnel design section, calculate the distance and direction from the design section feature point to the measured section line, and automatically detect over-break and under-break. After the data preprocessing is completed, perform point cloud analysis and display the over-break and under-break data of the current mileage in real time. The data processing module recalculates the parameters that need to be adjusted for the drill arm during the next excavation. The control unit re-gives various drilling parameters according to the data processing module and re-sends action instructions to the drill arm for the next drilling operation.

[0031] By adopting the above technical solution, the laser scanner scans the blasting situation of the tunnel section, and determines the blasting offset based on the measured data, so as to timely adjust the next drilling parameters of the drill arm, effectively improving the drilling effect.

[0032] In summary, this application has at least one of the following beneficial effects:

[0033] 1. By installing a laser scanner on a conventional drilling rig, the laser scanner automatically scans the tunnel section after blasting and measures relevant parameters, facilitating timely adjustment of the next drilling parameters, improving work efficiency, and reducing the risk of accidents to construction workers.

[0034] 2. By setting up a horizontal moving component in the protective cover, construction workers can more easily take out or put in the laser scanner;

[0035] 3. By using a clamping assembly to clamp and fix the laser scanner, the placement stability of the laser scanner is effectively improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 This is a schematic structural diagram showing the rock drilling rig body in Example 1 of the present application;

[0037] Figure 2 This is a schematic diagram showing the partial structure of the protective cover in Example 1 of the present application;

[0038] Figure 3 yes Figure 2 A partial cross-sectional view at AA;

[0039] Figure 4 yes Figure 2 A partial cross-sectional view at BB;

[0040] Figure 5 This is a cross-sectional schematic diagram showing the internal structure of the clamping plate in Example 1 of the present application.

[0041] Explanation of the accompanying reference numerals: 1. Drilling rig body; 11. Drill arm; 2. Placing platform; 21. Protective cover; 211. Second driving member; 22. Turntable; 221. Connecting shaft; 222. Driven gear; 23. First driving member; 24. Driving gear; 3. Laser scanner; 4. Guide rail; 41. Supporting slider; 42. First buffer block; 43. First elastic member; 5. Positioning groove; 6. Clamping assembly; 61. Double-headed screw; 62. Clamping plate; 621. Second buffer block; 622. Second elastic member; 63. Guide rod; 7. Fixing plate; 71. Diverter pipe; 72. Air guide duct. DETAILED DESCRIPTION

[0042] The following is combined with Figure 1-5 This application is described in further detail.

[0043] Example 1:

[0044] Example 1 of the present application discloses a drilling rig drilling detection system, referring to Figure 1 and Figure 2 The drilling rig drilling detection system includes a drilling rig body 1. A drilling arm 11 is hinged on one side of the drilling rig body 1 along its own forward direction. A retractable drill bit is installed at the end of the drilling arm 11, which can be used for drilling holes in the tunnel section. The number of drilling arms 11 can be set according to actual conditions to improve the drilling efficiency.

[0045] A placement platform 2 is fixed on the top of the driving position of the drilling rig body 1. The placement platform 2 is placed horizontally, and a protective cover 21 is placed on the top of the placement platform 2. The protective cover 21 has an opening on one side facing the forward direction of the drilling rig body 1.

[0046] The top surface of the placement platform 2 is rotatably connected to a turntable 22. A protective cover 21 is fixed to the top surface of the turntable 22. The turntable 22 has a vertical rotation axis, and a connecting shaft 221 is coaxially fixed to the bottom of the turntable 22. A driven gear 222 is disposed and coaxially fixed to the connecting shaft 221. Furthermore, a first driving member 23 and a driving gear 24 are also provided within the placement platform 2. The driving gear 24 meshes with the driven gear 222. The driving gear 24 and the driven gear 222 are a pair of intermeshing bevel gears. The first driving member 23 can be a small servo motor. The output shaft of the first driving member 23 is coaxially fixed to the driving gear 24, which is used to drive the driving gear 24 to rotate. The first driving member 23 can drive the turntable 22 to rotate through the intermeshing driving gear 24 and the driven gear 222.

[0047] Reference Figure 2 and Figure 3A laser scanner 3, which can be a laser scanner, is placed within the protective cover 21. The laser scanner 3 can scan and inspect the tunnel rock wall section after blasting. The drilling rig body 1 also houses a control unit and a data processing module (not shown). The drill boom 11 is electrically connected to the control unit, which directly controls the operation of the drill boom 11. The laser scanner 3 is also electrically connected to the data processing module, and the data obtained by the laser scanner 3 is transmitted to the data processing module for analysis. The laser scanner 3 is placed on the turntable 22 and rotates with it, facilitating adjustment of the detection direction. The control unit is electrically connected to the first drive member 23, allowing the control unit to directly and automatically control the operation of the first drive member 23.

[0048] After the drill arm 11 has drilled the hole and blasted the tunnel rock wall, the construction workers can drive the drilling rig into the tunnel for inspection. The drilling rig is equipped with a laser scanner 3, which scans and detects the tunnel rock wall section and transmits the scan data to the data processing module for analysis. The control unit adjusts the subsequent drilling parameters and sends an action instruction to the drill arm 11 again, so as to adjust the next drilling operation in time. After entering the tunnel, the construction workers are protected by the drilling rig to ensure their personal safety and reduce the risk of injury to the construction workers.

[0049] Reference Figure 3 and Figure 4 A guide rail 4 is fixed to the top surface of the placement platform 2 at the location corresponding to the protective cover 21. Two guide rails 4 are provided, parallel to each other and spaced apart. A support slider 41 is slidably connected to each guide rail 4, which supports the laser scanner 3. A positioning groove 5 is formed between the two support sliders 41. This groove 5 provides space for the bracket connector at the bottom of the laser scanner 3 and facilitates positioning and insertion of the bracket connector at the bottom of the laser scanner 3. One end of the guide rail 4 extends outward from the opening of the protective cover 21. Once the laser scanner 3 is placed on the support slider 41, an external force can be applied to push the laser scanner 3 into the protective cover 21.

[0050] To further improve the stability of the laser scanner 3, a first buffer block 42 is vertically and slidingly connected in the supporting sliding block 41, the upper surface of the first buffer block 42 exceeds the upper surface of the supporting sliding block 41, and abuts against the bottom of the laser scanner 3, and a first elastic member 43 is further arranged in the supporting sliding block 41, the first elastic member 43 can be a compression spring and is provided with a plurality of first elastic members 43, the first elastic members 43 are vertically placed, one end of the first elastic member 43 abuts against the bottom of the first buffer block 42, and the other end abuts against the inner bottom wall of the supporting sliding block 41. If the drill carriage vibrates during operation or at rest, the first buffer block 42 can slide relative to the supporting sliding block 41, and in this process, the first elastic member 43 is compressed and vibrates by the first buffer block 42, which can effectively absorb the vibration from the drill carriage, so that the measurement process of the laser scanner 3 is more stable, and the data obtained by measurement is more accurate.

[0051] To further limit the displacement of the laser scanner 3, a clamping assembly 6 is further arranged in the protective cover 21, the clamping assembly 6 includes a double-headed screw rod 61 and two clamping plates 62, the double-headed screw rod 61 is horizontally placed and both ends are rotationally connected to the protective cover 21, and the two clamping plates 62 are located on both sides of the laser scanner 3 and are parallel to each other. The double-headed screw rod 61 is simultaneously provided with and threadedly connected with the two clamping plates 62, the double-headed screw rod 61 includes two thread segments with opposite rotation directions, the two clamping plates 62 are located on different thread segments of the double-headed screw rod 61, and the outer wall of the protective cover 21 corresponding to the double-headed screw rod 61 is fixed with a second driving member 211 for driving the double-headed screw rod 61 to rotate, the second driving member 211 can be a small servo motor, and the output shaft of the second driving member 211 is coaxially fixed with the double-headed screw rod 61.

[0052] When the double-headed screw rod 61 rotates, the two clamping plates 62 can move towards each other or away from each other, so as to realize the clamping or releasing action, and then the laser scanner 3 can be clamped or released, and the control unit can automatically control the clamping or releasing action of the clamping plate 62 by controlling the operation of the second driving member 211. To further improve the stability of the clamping plate 62 during operation, a guide rod 63 can also be arranged below the double-headed screw rod 61, the guide rod 63 can be a square rod, the guide rod 63 is provided with and slidingly connected with the two clamping plates 62 by being provided through the two clamping plates 62, and the guide rod 63 can provide stable guidance for the sliding of the clamping plate 62.

[0053] Reference Figure 4 and Figure 5Second buffer blocks 621 are provided on the opposing inner walls of the two clamping plates 62. The second buffer blocks 621 are horizontally slidably connected to the clamping plates 62. The side walls of the second buffer blocks 621 can abut against the side walls of the laser scanner 3. A second elastic member 622 is also provided between the second buffer blocks 621 and the clamping plates 62. One end of the second elastic member 622 is connected to the inner wall of the second buffer block 621, and the other end is connected to the inner wall of the clamping plates 62. If the drilling rig vibrates while in motion or at rest, the second buffer blocks 621 can slide relative to the clamping plates 62. During this process, the second elastic member 622 is compressed by the second buffer blocks 621, causing it to oscillate. This allows the second elastic member 622 to absorb vibrations from the drilling rig, further improving the operating stability of the laser scanner 3.

[0054] Reference Figure 2 and Figure 4 To facilitate cleaning inside the protective cover 21, a fixed plate 7 is fixed to the back of the protective cover 21 away from the opening. Multiple parallel shunt tubes 71 are inserted into the fixed plate 7. The number of shunt tubes 71 can be adjusted based on the size of the fixed plate 7. All shunt tubes 71 are connected to an air duct 72 at the end away from the protective cover 21. The air duct 72 extends out of the fixed plate 7 and can be connected to an external air source such as an air compressor. The end of the shunt tube 71 away from the air duct 72 is inserted through the side wall of the protective cover 21 and communicates with the interior of the protective cover 21. The air outlets of the shunt tubes 71 are all oriented toward the opening of the protective cover 21.

[0055] After the air duct 72 is exposed to the external wind source, the external airflow can enter the diversion pipes 71 through the air duct 72, and the external airflow finally enters the internal space of the protective cover 21 from the air outlet of each diversion pipe 71. When there is a lot of dust accumulated in the protective cover 21, the laser scanner 3 can be taken out first, and then the external airflow can be used to blow the internal space of the protective cover 21, so as to clean the dust accumulated in the protective cover 21.

[0056] The implementation principle of a drilling detection system for a drilling rig in Example 1 of the present application is as follows: a laser scanner 3 is installed on the drilling rig. After the tunnel blasting is completed, the laser scanner 3 can directly scan and measure the tunnel section, and transmit the scan data to the data processing module for analysis. The control unit adjusts the subsequent drilling parameters and sends an action instruction to the re-drill arm 11, so as to adjust the next drilling operation in time. The laser scanner 3 is placed on a sliding supporting slider 41, so that construction personnel can more conveniently take out or put in the laser scanner 3. The clamping component 6 is used to clamp and fix the laser scanner 3, which effectively improves the placement stability of the laser scanner 3.

[0057] Example 2:

[0058] Example 2 of the present application discloses a drilling rig borehole detection method, which uses the drilling rig borehole detection system described in Example 1 to detect the tunnel section after blasting, specifically comprising the following steps:

[0059] S1: Scanning the tunnel section after blasting with the laser scanner 3 to obtain point cloud data of the tunnel; then transmitting the point cloud data to the data processing module for preprocessing to obtain preprocessed data, which includes continuously scanning the tunnel section with the laser scanner 3 using a positioning target ball;

[0060] S2: Perform registration, denoising, coordinate system normalization, compression and 3D reconstruction on the acquired point cloud data, and import the collected data into the computing software.

[0061] S3: Through the tunnel design section, calculate the distance and direction from the design section feature point to the measured section line, and perform automatic detection of over-break and under-break. After the data preprocessing is completed, perform point cloud analysis and display the over-break and under-break data of the current mileage in real time. The data processing module recalculates the parameters that need to be adjusted for the next excavation by the drill arm 11. The control unit re-gives various drilling parameters according to the data processing module and re-sends action instructions to the drill arm 11 for the next drilling operation.

[0062] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A drilling rig drilling detection system, characterized by: include A drilling trolley body (1), wherein a drill arm (11) is provided on one side of the drilling trolley body (1) in a forward direction, and the drill arm (11) is used to drill a tunnel section. A control unit and a data processing module are also provided in the drilling trolley body (1), and the drill arm (11) is electrically connected to the control unit; A laser scanner (3) is used to scan and detect the tunnel rock wall section after blasting; A placement platform (2) is provided on the top of the drilling trolley body (1), and the laser scanner (3) is placed on the top of the placement platform (2); After the drilling arm (11) has completed drilling and blasting the tunnel rock wall, the laser scanner (3) scans and detects the tunnel rock wall section, and transmits the scanned data to the data processing module for analysis. The control unit adjusts the subsequent drilling parameters and then sends an action instruction to the drilling arm (11) again to perform the next drilling operation; The top surface of the placement platform (2) is provided with a protective cover (21), the laser scanner (3) is placed in the protective cover (21), one side of the protective cover (21) is provided with an opening for the laser scanner (3) to be placed therein, the top surface of the placement platform (2) corresponding to the position of the protective cover (21) is provided with a horizontal moving component, the laser scanner (3) is arranged on the horizontal moving component, and a clamping component (6) is provided inside the protective cover (21) for clamping and fixing the laser scanner (3); The clamping assembly (6) includes a double-ended screw (61) and two clamping plates (62), both ends of the double-ended screw (61) are rotatably connected to the protective cover (21), the two clamping plates (62) are respectively located on both sides of the laser scanner (3) and are parallel to each other, the double-ended screw (61) is simultaneously penetrated and threadedly connected to the two clamping plates (62), the double-ended screw (61) includes two threaded sections with opposite rotation directions, the two clamping plates (62) are respectively located on different threaded sections of the double-ended screw (61), and a second driving member (211) for driving the double-ended screw (61) to rotate is provided outside the protective cover (21); A second buffer block (621) is provided on the inner side walls opposite to each other of the two clamping plates (62), the second buffer block (621) is horizontally slidably connected to the clamping plate (62), the side wall of the second buffer block (621) is against the side wall of the laser scanner (3), and a second elastic member (622) is further provided between the second buffer block (621) and the clamping plate (62), one end of the second elastic member (622) is connected to the inner side wall of the second buffer block (621), and the other end is connected to the inner side wall of the clamping plate (62); A fixing plate (7) is provided on the back side of the protective cover (21) away from the opening. A plurality of parallel shunt pipes (71) are provided in the fixing plate (7). The ends of all the shunt pipes (71) away from the protective cover (21) are connected to an air guide pipe (72). The air guide pipe (72) is used to connect to an external air source. The ends of the shunt pipes (71) away from the air guide pipe (72) are provided on the side wall of the protective cover (21) and are connected to the internal space of the protective cover (21). The air outlets of the shunt pipes (71) are all oriented towards the opening direction of the protective cover (21).

2. The drilling rig drilling detection system according to claim 1, characterized in that: The top surface of the placement platform (2) is rotatably connected to a turntable (22), the protective cover (21) is arranged on the top surface of the turntable (22), the rotation axis of the turntable (22) is vertical, a connecting shaft (221) is coaxially fixed to the bottom of the turntable (22), a driven gear (222) is arranged on the outer surface of the connecting shaft (221) and coaxially fixed thereto, and a first driving member (23) and a driving gear (24) are further arranged inside the placement platform (2), the driving gear (24) is meshed with the driven gear (222), and the first driving member (23) is used to drive the driving gear (24) to rotate.

3. The drilling rig drilling detection system according to claim 2, characterized in that: The horizontal moving assembly includes a guide rail (4) and a supporting slider (41). The guide rails (4) are provided with two, which are parallel to each other and spaced apart. Each guide rail (4) is slidably connected to a supporting slider (41). The supporting slider (41) is used to support the laser scanner (3). A positioning groove (5) is formed between the two supporting sliders (41) to facilitate the placement of the bracket connecting seat at the bottom of the laser scanner (3). A protective cover (21) extends outward from the opening at one end of the guide rail (4).

4. The drilling rig drilling detection system according to claim 3, characterized in that: A first buffer block (42) is vertically slidably connected in the supporting slider (41), the upper surface of the first buffer block (42) exceeds the upper surface of the supporting slider (41) and abuts against the bottom of the laser scanner (3), and a first elastic member (43) is also provided in the supporting slider (41). The first elastic member (43) is placed vertically, one end of the first elastic member (43) abuts against the bottom of the first buffer block (42), and the other end abuts against the inner bottom wall of the supporting slider (41).

5. A drilling rig drilling detection method, characterized by: Detecting a tunnel section after blasting using the drilling rig drilling detection system according to any one of claims 1 to 4 comprises the following steps: S1: Scanning the tunnel section after blasting by means of a laser scanner (3) to obtain point cloud data of the tunnel; then transmitting the point cloud data to a data processing module for preprocessing to obtain preprocessed data, which includes continuously scanning the tunnel section by means of a positioning target ball using the laser scanner (3); S2: Perform registration, denoising, coordinate system normalization, compression and 3D reconstruction on the acquired point cloud data, and import the collected data into the computing software. S3: Through the tunnel design section, the distance and orientation from the design section feature point to the measured section line are calculated, and over-excavation and under-excavation are automatically detected. After the data pre-processing is completed, the point cloud analysis is performed, and the over-excavation and under-excavation data of the current mileage are displayed in real time. The data processing module recalculates the parameters that the drill arm (11) needs to adjust when the next excavation is started. The control unit re-gives various drilling parameters according to the data processing module and re-sends the action instructions to the drill arm (11) to perform the next drilling operation.

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