Drill boom mechanism, drilling and blasting assembly and drilling and blasting trolley

Abstract

The drill boom mechanism comprises a first shell, a first linear driving piece, a first rotary driving piece, a main drill rod and a monitoring piece, a first through hole is formed in the front end of the first shell, and a first sliding seat is arranged in the first shell in a sliding mode in the front-back direction; the first rotary driving part is installed on the first sliding seat, the first linear driving part is installed on the first shell and is in transmission connection with the first sliding seat, the main drill rod penetrates through the first penetrating hole, the tail end of the main drill rod is connected with the driving end of the first rotary driving part, and the monitoring part is arranged at the front end of the first shell. The first linear driving part drives the first sliding seat to drive the first rotary driving part and the main drill rod to move in the front-back direction, the first rotary driving part is used for driving the main drill rod to rotate, and the monitoring part is used for monitoring the run-out amount of the main drill rod in the radial direction when the main drill rod rotates. Therefore, the runout value of the main drill rod in the radial direction can be monitored in real time through the monitoring piece so as to judge whether the main drill rod has the risk of fracture or not.

Description

Technical Field

[0001] This invention belongs to the field of drilling and blasting technology, and particularly relates to a drill arm mechanism, a drilling and blasting assembly, and a drilling and blasting trolley. Background Technology

[0002] "Tunnel drilling and blasting" is a commonly used and important excavation method in tunnel and underground engineering construction. Its full name is "drilling and blasting method". The drilling and blasting rig (also known as drilling rig or rock drilling rig) is a special equipment used for drilling and blasting construction in underground engineering such as tunnels and mines. It is mainly used for drilling operations in rock mass to provide blast holes for subsequent blasting.

[0003] The core working component of a drilling and blasting rig is the drill arm mechanism, which is responsible for borehole positioning, propulsion, and construction operations. When drilling into a rock wall, the existing drill arm mechanism may bend if the axial pressure on the main drill rod exceeds its critical buckling load. However, operators usually do not notice this in time. Once the main drill rod bends, it will generate a large amount of radial runout during drilling. This will affect the borehole shape and pose a significant risk of breakage if the runout is too large. If the main drill rod breaks in the borehole, the head end of the main drill rod is difficult to remove from the borehole, which usually leads to the failure of the borehole. Summary of the Invention

[0004] To address the aforementioned technical problems, one objective of this invention is to provide a drill arm mechanism with a simple structure that can monitor the radial runout of the main drill rod in real time to prevent the main drill rod from breaking.

[0005] To achieve the above objectives, the technical solution of the present invention is as follows: A drill arm mechanism includes a first housing, a first linear drive, a first rotary drive, a main drill rod, and a monitoring device. The first housing is a strip-shaped shell arranged in the front-rear direction. A first through hole is provided at the front end of the first housing. A first sliding seat is slidably arranged in the front-rear direction inside the first housing. The first rotary drive is located inside the first housing and is mounted on the first sliding seat. The driving end of the first rotary drive faces forward. The first linear drive is mounted on the first housing, and its driving end is connected to the first sliding seat. The main drill rod is arranged in the front-rear direction, and its end extends into the first housing through the first through hole and is connected to the driving end of the first rotary drive. The monitoring device is located at the front end of the first housing. The first linear drive drives the first sliding seat to move the first rotary drive and the main drill rod in the front-rear direction. The first rotary drive is used to drive the main drill rod to rotate. The monitoring device is used to monitor the radial runout of the main drill rod when it rotates to determine whether the main drill rod is bent.

[0006] The beneficial effects of the above technical solution are as follows: under the drive of the first linear drive component, the main drill rod can move relative to the first housing in the front-back direction to adjust the extension length of the main drill rod on the first housing. The monitoring component can monitor the radial runout of the main drill rod in real time. When the radial runout of the main drill rod exceeds a certain threshold, it can be determined that there is a risk of breakage of the main drill rod. At this time, the main drill rod can be withdrawn from the borehole in time to prevent the main drill rod from breaking in the borehole and causing the borehole to be scrapped. After the main drill rod is withdrawn from the borehole, a new main drill rod can be replaced in time.

[0007] The monitoring component in the above technical solution includes a mounting cylinder, multiple monitoring plates, and multiple sensing devices. The mounting cylinder is tubular, with one end embedded in the first through hole. The main drill rod passes through the middle of the mounting cylinder. The monitoring plates are arc-shaped plates. Multiple monitoring plates are located inside the mounting cylinder and are evenly distributed around the circumference of the main drill rod. The axial direction of each monitoring plate is distributed along the front-back direction, and the arc-shaped side of the monitoring plate faces the main drill rod. On the side of each monitoring plate away from the main drill rod, multiple guide rods are radially protruding and spaced along the front-back direction. The mounting cylinder has sliding holes aligned with each guide rod. Each guide rod slides through the corresponding sliding hole, and a first spring is sleeved on each guide rod between the monitoring plate and the mounting cylinder. The elastic force of the first spring is used to drive the monitoring plate to move and abut against the outer circumference of the main drill rod. The sensing devices are located on the side of the monitoring plate away from the main drill rod and are used to monitor the radial runout of the main drill rod when it rotates.

[0008] The beneficial effect of the above technical solution is that multiple monitoring plates can move radially to fit against the outer periphery of the main drill rod under the drive of the corresponding first spring force. The main drill rod will vibrate during drilling operations, which will cause the monitoring plates to vibrate. If the main drill rod bends, the amount of bending and vibration of the main drill rod will make the radial amplitude of the monitoring plate larger. When the amplitude exceeds the set threshold, it can be determined that the main drill rod is bent. At this time, the main drill rod can be withdrawn out of the borehole to replace it with a new main drill rod.

[0009] The above technical solution also includes a plurality of cleaning mechanisms installed at intervals along the circumferential direction at the front end of the first housing. Each cleaning mechanism includes a mounting rod protruding from the front end of the first housing in the front-rear direction. The mounting rod is provided with bristles that contact the main drill rod on the side near the main drill rod. The cleaning mechanism is used to brush away the sticky slag on the main drill rod.

[0010] The beneficial effect of the above technical solution is that the cleaning mechanism can remove the debris stuck to the main drill rod during drilling operations, so as to avoid the debris being carried into the first housing when the main drill rod retracts into the first housing, and prevent the first sliding seat from getting stuck due to debris.

[0011] The above technical solution also includes a rod-retrieving assembly installed at the front end of the first housing. The rod-retrieving assembly includes a drilling component and a rotary drilling component. The drilling component and the rotary drilling component are respectively installed on the side wall of either side of the front end of the first housing. When the main drill rod breaks during drilling, the head end of the main drill rod is stuck in the borehole. The drilling component has a secondary drill rod, which is used to drill multiple spaced insertion holes at the cross-section of the head end of the main drill rod. The rotary drilling component has multiple insertion rods, and the multiple insertion rods correspond one-to-one with the multiple insertion holes. Each insertion rod is inserted into the corresponding insertion hole, and the rotary drilling component drives the head end of the main drill rod to rotate so as to withdraw it from the borehole.

[0012] The beneficial effect of the above technical solution is that, in the event that the main drill rod breaks during drilling, the head of the main drill rod gets stuck in the borehole. At this time, the drilling component can be aligned with the borehole, and the auxiliary drill rod can drill multiple insertion holes on the cross-section of the main drill rod. Then, the rotary drilling component is aligned with the borehole, and multiple insertion rods are inserted into the multiple insertion holes respectively. The rotary drilling component can then drive the head of the main drill rod to rotate synchronously until it is withdrawn from the borehole.

[0013] The drilling component described in the above technical solution further includes a second sliding seat, a second linear drive, a second rotary drive, and a first transfer block. Multiple auxiliary drill rods are provided. The second sliding seat is slidably mounted on the front end of one side wall of the first housing in a front-rear direction. The second linear drive is mounted on the corresponding side wall of the first housing, and its drive end is connected to the second sliding seat. The second rotary drive is mounted on the second sliding seat with its drive end facing forward. The first transfer block is rotatably mounted on the drive end of the second rotary drive and connected to the second sliding seat via a connecting rod. Multiple auxiliary drill rods are arranged in a front-rear direction. In front of the first transfer block, and evenly distributed around the driving end of the second rotary drive, each auxiliary drill rod is rotatably connected to the first transfer block. A first gear is coaxially fixed at the end of each auxiliary drill rod, and a second gear is coaxially fixed at the driving end of the second rotary drive. Multiple first gears mesh with the second gear. The second linear drive is used to drive the second sliding seat to move the second rotary drive and multiple auxiliary drill rods synchronously in the front-back direction. Multiple auxiliary drill rods rotate synchronously under the drive of the second rotary drive to simultaneously drill multiple insertion holes at the cross-section of the head of the main drill rod.

[0014] The beneficial effects of the above technical solution are as follows: the second rotary drive can simultaneously drive multiple auxiliary drill rods to rotate to drill multiple insertion holes at the cross-section of the main drill rod head, while the second linear drive drives the second sliding seat to move along the length direction of the first housing, so that multiple second rotary drive units, the first transfer block and multiple auxiliary drill rods can move back and forth synchronously, so that the auxiliary drill rods drill to the corresponding insertion hole depth or withdraw from the insertion hole. The connecting rod connects the first transfer block and the second sliding seat, which can prevent the first transfer block from rotating.

[0015] The rotary drill in the above technical solution further includes a third sliding seat, a third linear drive, a third rotary drive, and a second transfer block. The third sliding seat is slidably mounted on the front end of one side wall of the first housing in the front-back direction. The third linear drive is mounted on the corresponding side wall of the first housing, and the drive end of the third linear drive is connected to the third sliding seat in a transmission connection. The third rotary drive is mounted on the third sliding seat with its drive end facing forward. The second transfer block is fixedly mounted on the drive end of the third rotary drive. Multiple insertion rods are arranged in front of the second transfer block in the front-back direction. The rear end of each insertion rod is fixedly connected to the second transfer block. The multiple insertion rods correspond one-to-one with multiple insertion holes. The third linear drive is used to drive the third sliding seat to move the third rotary drive and the multiple insertion rods synchronously in the front-back direction. When the multiple insertion rods are inserted into the multiple insertion holes, the third rotary drive is used to drive the second transfer block and the multiple insertion rods to rotate the head of the main drill rod so that it can be withdrawn from the drill hole.

[0016] The beneficial effects of the above technical solution are as follows: when multiple plug rods are aligned with their corresponding plug holes, the third linear drive can push the third sliding block forward. At this time, the third rotary drive, the second transfer block, and the multiple plug rods will all move forward synchronously until each plug rod is inserted into its corresponding plug hole. Then, the third rotary drive drives the second transfer block to rotate, and the multiple plug rods will drive the head end of the main drill rod to rotate. The third linear drive slowly drives the third sliding block, the third rotary drive, and the multiple plug rods to retract. At this time, the head end of the main drill rod will retract accordingly until the head end of the main drill rod is withdrawn from the drill hole.

[0017] The second objective of this invention is to provide a drill-and-blast assembly that can flexibly adjust the horizontal orientation, vertical height, vertical tilt angle, and feed rate of the main drill pipe, and that can also monitor the radial runout of the main drill pipe in real time.

[0018] To achieve the above objectives, another technical solution of the present invention is as follows: a drill-and-blast assembly, comprising a rotary lifting seat, an inclination adjustment frame, and a drill arm mechanism as described above, wherein the rotary lifting seat is vertically arranged, the inclination adjustment frame is installed on the drive end of the rotary lifting seat, the first housing is installed on the inclination adjustment frame, the rotary lifting seat is used to adjust the height and orientation of the drill arm mechanism, and the inclination adjustment frame is used to adjust the angle at which the drill arm mechanism moves and tilts in the vertical plane along the front-to-back direction.

[0019] The beneficial effects of the above technical solution are as follows: the orientation and height of the drill arm mechanism can be adjusted by rotating the lifting seat, while the tilt adjustment frame can adjust the drill arm mechanism to move back and forth, and at the same time adjust the tilt angle of the drill arm mechanism in the vertical direction.

[0020] The rotary lifting seat described in the above technical solution includes a docking seat, a rotating seat, a lifting drive component, and a fourth rotary drive component. The docking seat includes a flange plate and a mandrel. The rotating seat is a circular groove with its opening facing downwards. The upper end of the mandrel extends into the rotating seat, and the two are coaxially rotatably connected. A fixed gear is coaxially fixedly provided at the lower end of the mandrel. The fourth rotary drive component is installed at the edge of the rotating seat with its driving end facing downwards, and a transmission gear is coaxially fixedly installed thereon. The fixed gear and the transmission gear mesh with each other. The lifting drive component is installed in the middle of the upper end of the rotating seat. The tilt adjustment frame is installed at the driving end of the lifting drive component. The fourth rotary drive component drives the rotating seat to rotate coaxially relative to the docking seat to adjust the orientation of the drill arm mechanism in the horizontal plane. The lifting drive component is used to adjust the height of the drill arm mechanism.

[0021] The beneficial effect of the above technical solution is that the rotating seat rotates relative to the docking seat under the action of the fourth rotary drive component, and drives the lifting drive component and the tilt adjustment frame to rotate, so as to adjust the orientation of the drill arm mechanism. The lifting drive component drives the tilt adjustment frame to move the drill arm mechanism up and down to adjust the height of the drill arm mechanism.

[0022] The tilt adjustment frame described in the above technical solution includes a mounting base, a connecting rod, a second housing, a sliding rod, a fourth linear drive component, and a fifth linear drive component. The second housing is a strip-shaped shell arranged horizontally in the front-rear direction, and a second through hole is provided at the front end of the second housing. The sliding rod is arranged horizontally in the front-rear direction, and its rear end passes through the second through hole into the second housing. The mounting base is a straight strip-shaped shell arranged above the second housing in the front-rear direction. The connecting rod is arranged vertically, and its lower end is hinged to the front end of the sliding rod, and its upper end is hinged to the front end of the mounting base. A strip-shaped hole is provided at the rear upper end of the second housing along its length direction. The fifth linear drive component... The driving component extends vertically through the strip-shaped hole, with its driving end facing upwards. The lower end of the fifth linear driving component is hinged to the upper rear end of the sliding rod, and the driving end of the fifth linear driving component is hinged to the rear end of the mounting base. The fourth linear driving component is mounted on the second housing, and its driving end is connected to the sliding rod. The driving end of the rotating lifting seat is fixedly connected to the lower rear end of the second housing. The mounting base is located at the lower rear end of the first housing along the front-rear direction. The fourth linear driving component drives the sliding rod, the connecting rod, and the fifth linear driving component to move the mounting base along the front-rear direction. The fifth linear driving component extends and retracts to adjust the tilt angle of the mounting base in the vertical plane.

[0023] The beneficial effects of the above technical solution are as follows: the quadrilateral structure composed of the sliding rod, connecting rod, mounting base and fifth linear drive can move back and forth under the drive of the fourth linear drive to drive the drill arm mechanism to move back and forth. When the drive end of the fifth linear drive moves up and down, it will change the shape of the quadrilateral structure composed of the sliding rod, connecting rod, mounting base and fifth linear drive, thereby adjusting the tilt angle of the drill arm mechanism in the vertical plane.

[0024] The tilt adjustment bracket described in the above technical solution further includes a fourth sliding seat and a sixth linear drive. The fourth sliding seat is slidably mounted on the upper rear end of the sliding rod in the front-back direction. The lower end of the fifth linear drive is hinged to the fourth sliding seat. The sixth linear drive is located inside the second housing and is mounted on the rear end of the sliding rod. The driving end of the sixth linear drive is connected to the fourth sliding seat in a transmission manner. The sixth linear drive drives the fourth sliding seat to move in the front-back direction to cooperate with the fifth linear drive to adjust the tilt angle of the mounting base in the vertical plane.

[0025] The beneficial effects of the above technical solution are as follows: the sixth linear drive unit drives the fourth sliding seat to move back and forth on the sliding rod, and adjusts the distance between the fourth sliding seat and the front end of the sliding rod to adjust the shape of the quadrilateral structure formed by the sliding rod, the connecting rod, the mounting seat and the fifth linear drive unit, thereby adjusting the tilt angle of the drill arm mechanism in the vertical plane. At the same time, the fifth linear drive unit and the sixth linear drive unit can cooperate to adjust the tilt angle of the drill arm mechanism in the vertical plane.

[0026] The third objective of this invention is to provide a drilling and blasting trolley with a simple structure that can monitor the radial runout of the main drill pipe in real time.

[0027] To achieve the above objectives, the technical solution of the present invention is as follows: a drilling and blasting trolley, characterized in that it includes the drilling and blasting assembly as described above.

[0028] The beneficial effects of the above technical solution are as follows: the drilling and blasting assembly of the drilling and blasting trolley has multiple functions, can monitor the bending of the main drill rod in real time, and can also flexibly adjust the orientation, height and tilt angle of the drill arm mechanism. Attached Figure Description

[0029] Figure 1 This is an elevation view of the drill arm mechanism described in Embodiment 1 of the present invention; Figure 2 for Figure 1 A partial schematic diagram of the front end; Figure 3 This is a cross-sectional view of the drill arm mechanism described in Embodiment 1 of the present invention; Figure 4 This is a schematic diagram of the assembly of the monitoring component inside the front end of the first housing in Embodiment 1 of the present invention; Figure 5 This is an elevation view of the rotary drill described in Embodiment 1 of the present invention; Figure 6 This is a partial schematic diagram of the front end of the drill arm mechanism described in Embodiment 1 of the present invention, which is provided with a cleaning and scraping mechanism; Figure 7 This is a schematic diagram showing the distribution of the insertion holes when the main drill rod breaks as described in Embodiment 1 of the present invention; Figure 8 This is an elevation view of the drill-and-blast assembly described in Embodiment 2 of the present invention; Figure 9 This is an elevation view of the rotating lifting seat described in Embodiment 2 of the present invention; Figure 10 This is a schematic diagram of the internal structure of the second housing in Embodiment 2 of the present invention; Figure 11 This is a cross-sectional view of the tilt adjustment frame described in Embodiment 2 of the present invention.

[0030] In the diagram: 1. Drill arm mechanism; 11. First housing; 111. First through hole; 112. First sliding seat; 12. First linear drive; 13. First rotary drive; 14. Main drill rod; 141. Core rod; 1411. Insertion hole; 142. Spiral fin; 15. Monitoring component; 151. Mounting cylinder; 1511. Sliding hole; 152. Monitoring plate; 153. Sensing device; 154. Guide rod; 155. First spring; 16. Cleaning mechanism; 161. Mounting rod; 162. Brush bristles; 17. Rod taking assembly; 171. Drilling component; 1711. Secondary drill rod; 1712. Second sliding seat; 1713. Second linear drive; 1714. Second rotary drive; 1715. First transfer block; 1716. Connecting rod; 1717. First gear; 1718. Second gear; 72. Rotary drill; 1721. Insert rod; 1722. Third sliding seat; 1723. Third linear drive; 1724. Third rotary drive; 1725. Second transfer block; 18. Scraping mechanism; 181. Hinge seat; 182. Swing rod; 183. Scraper; 184. Second spring; 2. Rotary lifting seat; 21. Connecting seat; 211. Flange plate; 212. Mandrel; 213. Fixed gear; 22. Rotating seat; 23. Lifting drive; 24. Fourth rotary drive; 241. Transmission gear; 3. Inclination adjustment frame; 31. Mounting seat; 32. Linking rod; 33. Second housing; 331. Second through hole; 332. Strip hole; 34. Sliding rod; 35. Fourth linear drive; 36. Fifth linear drive; 37. Fourth sliding seat; 38. Sixth linear drive. Detailed Implementation

[0031] To facilitate understanding of this application, a more complete description will be provided below with reference to the accompanying drawings, which illustrate embodiments of the present application. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of this application will be thorough and complete.

[0032] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

[0033] It is understood that spatial relation terms such as “below,” “under,” “below,” “below,” “above,” “above,” etc., can be used here to describe the relationship between one element or feature shown in the figure and other elements or features. It should be understood that, in addition to the orientation shown in the figure, spatial relation terms also include different orientations of the device in use and operation. For example, if the device in the figure is flipped, the element or feature described as “below,” “below,” or “below” will be oriented “above” the other element or feature. Therefore, the exemplary terms “below” and “under” can include both upper and lower orientations. Furthermore, the device may also include other orientations (e.g., rotated 90 degrees or other orientations), and the spatial descriptive terms used herein will be interpreted accordingly.

[0034] It should be noted that when one element is considered to be "connected" to another element, it can be directly connected to the other element or connected to the other element through an intermediary element. In the following embodiments, "connection" should be understood as "electrical connection," "communication connection," etc., if the connected circuits, modules, units, etc., have the transmission of electrical signals or data between them.

[0035] When used herein, the singular forms of “a,” “an,” and “the” may also include the plural forms unless the context clearly indicates otherwise. It should also be understood that the terms “comprising,” “including,” or “having,” etc., specify the presence of the stated feature, whole, step, operation, component, part, or combination thereof, but do not preclude the possibility of the presence or addition of one or more other features, wholes, steps, operations, components, parts, or combinations thereof.

[0036] Example 1 like Figures 1-3As shown, this embodiment provides a drill arm mechanism 1, including a first housing 11, a first linear drive 12, a first rotary drive 13, a main drill rod 14, and a monitoring component 15. The first housing 11 is a strip-shaped shell arranged in the front-rear direction. A first through hole 111 is provided at the front end of the first housing 11. A first sliding seat 112 is slidably arranged in the front-rear direction inside the first housing 11. The first rotary drive 13 is located inside the first housing 11 and is mounted on the first sliding seat 112. The driving end of the first rotary drive 13 faces forward. The first linear drive 12 is mounted on the first housing 11, and its driving end is connected to the first linear drive 12. The first sliding seat 112 is connected in a transmission manner. The main drill rod 14 is arranged in the front-back direction, and its end extends into the first housing 11 through the first through hole 111 and is connected to the driving end of the first rotary drive 13. The monitoring element 15 is arranged at the front end of the first housing 11. The first linear drive 12 drives the first sliding seat 112 to drive the first rotary drive 13 and the main drill rod 14 to move in the front-back direction. The first rotary drive 13 is used to drive the main drill rod 14 to rotate. The monitoring element 15 is used to monitor the radial runout of the main drill rod 14 when it rotates, so as to determine whether the main drill rod 14 is bent. This allows the main drill rod 14 to move relative to the first housing 11 in the front-back direction under the drive of the first linear drive 12, thereby adjusting the extension length of the main drill rod 14 on the first housing 11. The monitoring component 15 can monitor the radial runout of the main drill rod 14 in real time. When the radial runout of the main drill rod 14 exceeds a certain threshold, it can be determined that the main drill rod 14 is at risk of breaking. At this time, the main drill rod 14 can be withdrawn from the borehole in time to prevent the main drill rod 14 from breaking inside the borehole and causing the borehole to be scrapped. After the main drill rod 14 is withdrawn from the borehole, a new main drill rod 14 can be replaced in time.

[0037] See details Figure 3 and Figure 4As shown, in this embodiment, the monitoring component 15 includes a mounting cylinder 151, multiple monitoring plates 152, and multiple sensing devices 153. The mounting cylinder 151 is tubular, with one end embedded in the first through hole 111. The main drill rod 14 passes through the middle of the mounting cylinder 151. The monitoring plates 152 are arc-shaped plates. Multiple monitoring plates 152 are located inside the mounting cylinder 151 and are evenly distributed around the main drill rod 14. The axial direction of each monitoring plate 152 is distributed along the front-back direction, and the arc-shaped side of the monitoring plate 152 faces the main drill rod 14. Multiple radial protrusions are provided on the middle of the side of each monitoring plate 152 away from the main drill rod 14. Guide rods 154 are spaced apart along the front-back direction. The mounting cylinder 151 has sliding holes 1511 aligned with each guide rod 154. Each guide rod 154 slides through the corresponding sliding hole 1511. A first spring 155 is sleeved on each guide rod 154 between the monitoring plate 152 and the mounting cylinder 151. The elastic force of the first spring 155 is used to drive the monitoring plate 152 to move and abut against the outer periphery of the main drill rod 14. The sensing device 153 is disposed on the side of the monitoring plate 152 away from the main drill rod 14. The sensing device 153 is used to monitor the radial runout of the main drill rod 14 when it rotates. This allows multiple monitoring plates 152 to move radially to fit against the outer periphery of the main drill rod 14 under the drive of the spring force corresponding to the first spring 155. The main drill rod 14 will vibrate during drilling operations, which will cause the monitoring plates 152 to vibrate. If the main drill rod 14 bends, the amount of bending and vibration of the main drill rod 14 will cause the monitoring plate 152 to have a larger radial amplitude (the amplitude is monitored by the sensing device 153). When the amplitude exceeds the set threshold, it can be determined that the main drill rod 14 is bent. At this time, the main drill rod 14 can be withdrawn from the borehole to replace it with a new main drill rod 14.

[0038] like Figure 4 As shown, in this embodiment, the sensing device 153 can be a pen-shaped displacement sensor, which is radially mounted on the inner wall of the mounting cylinder 151. Its sensing end, under its own elastic force, remains against the corresponding monitoring piece 152. At this time, the sensing device 153 can monitor the radial runout of the corresponding monitoring piece 152 in real time (i.e., the runout of the main drill pipe). Preferably, only one sensing device 153 can be set to monitor the radial runout of one of the monitoring pieces 152, while all the monitoring pieces 152 collectively clamp the main drill pipe, so that the main drill pipe 14 maintains good coaxiality during operation.

[0039] like Figure 4As shown, in this embodiment, 2-6 monitoring plates 152 can be provided, preferably 3 or 4. The arc center angle corresponding to each monitoring plate 152 is about 90°, and the inner diameter of the monitoring plate 152 needs to be slightly larger than the outer diameter of the main drill rod 14, so that the arc side of each monitoring plate 152 can contact the main drill rod 14.

[0040] like Figure 4 As shown, two guide rods 154 can be provided on each of the monitoring pieces 152. Preferably, in this embodiment, the monitoring piece 15 is located inside the first housing 11.

[0041] like Figure 1 and Figure 2 As shown, the drill arm mechanism 1 in this embodiment further includes multiple cleaning mechanisms 16 installed at circumferential intervals at the front end of the first housing 11. Each cleaning mechanism 16 includes a mounting rod 161 protruding from the front end of the first housing 11 in the front-rear direction. The mounting rod 161 has bristles 162 on the side near the main drill rod 14 that contact the main drill rod 14. The cleaning mechanism 16 is used to brush away the sticky debris on the main drill rod 14. This allows the cleaning mechanism 16 to remove the sticky debris from the main drill rod 14 during drilling operations, preventing the debris from being carried into the first housing 11 when the main drill rod 14 retracts, thus preventing the first sliding seat 112 from getting stuck due to debris. In this embodiment, steel wire bristles are preferred for the bristles 162, and the bristles 162 on the mounting rod 161 near the main drill rod 14 are evenly spaced in multiple clusters in the front-rear direction, with each cluster having a large number of densely distributed bristles 162.

[0042] Preferred, such as Figures 1-3 and Figure 5As shown, in this embodiment, the drill arm mechanism 1 further includes a rod-retrieving assembly 17 installed at the front end of the first housing 11. The rod-retrieving assembly 17 includes a drilling component 171 and a rotary drilling component 172. The drilling component 171 and the rotary drilling component 172 are respectively installed on the side wall of either side of the front end of the first housing 11. When the main drill rod 14 breaks during drilling, the head end of the main drill rod 14 is stuck in the borehole. The drilling component 171 has a secondary drill rod 17. 11. The auxiliary drill rod 1711 is used to drill a plurality of spaced-apart insertion holes 1411 at the cross-section of the head end of the main drill rod 14. The rotary drill 172 has a plurality of insertion rods 1721, and the plurality of insertion rods 1721 correspond one-to-one with the plurality of insertion holes 1411. Each insertion rod 1721 is inserted into the corresponding insertion hole 1411, and the rotary drill 172 drives the head end of the main drill rod 14 to rotate so as to withdraw from the drill hole. In the event that the main drill rod 14 breaks during drilling, the head of the main drill rod 14 becomes stuck inside the borehole. At this time, the drilling component 171 can be aligned with the borehole, and the auxiliary drill rod 1711 can drill multiple insertion holes 1411 on the cross-section of the main drill rod 14. Then, the rotary drilling component 172 can be switched to be aligned with the borehole, and multiple insertion rods 1711 can be inserted into the multiple insertion holes 1411 respectively. The rotary drilling component 172 can then drive the head of the main drill rod 14 to rotate synchronously until it is withdrawn from the borehole.

[0043] Specifically, such as Figure 3 and 5As shown, in this embodiment, the drilling component 171 further includes a second sliding seat 1712, a second linear drive 1713, a second rotary drive 1714, and a first transfer block 1715. Multiple auxiliary drill rods 1711 are provided. The second sliding seat 1712 is slidably mounted on the front end of one side wall of the first housing 11 in the front-back direction. The second linear drive 1713 is mounted on the corresponding side wall of the first housing 11, and its driving end is connected to the second sliding seat 1712. The second rotary drive 1714 is mounted on the second sliding seat 1712 with its driving end facing forward. The first transfer block 1715 is rotatably mounted on the driving end of the second rotary drive 1714 and connected to the second sliding seat 1712 via a connecting rod 1716. All multiple auxiliary drill rods 1711 are arranged in the front-back direction. In front of the first transfer block 1715, and evenly distributed around the driving end of the second rotary drive 1714, the end of each auxiliary drill rod 1711 is rotatably connected to the first transfer block 1715. A first gear 1717 is coaxially fixed at the end of each auxiliary drill rod 1711, and a second gear 1718 is coaxially fixed at the driving end of the second rotary drive 1714. The multiple first gears 1717 mesh with the second gears 1718. The second linear drive 1713 drives the second sliding seat 1712 to drive the second rotary drive 1714 and the multiple auxiliary drill rods 1711 to move synchronously in the front-back direction. The multiple auxiliary drill rods 1711 rotate synchronously under the drive of the second rotary drive 1714 to drill multiple insertion holes 1411 at the cross-section of the head of the main drill rod 14. Thus, the second rotary drive 1714 can simultaneously drive multiple auxiliary drill rods 1711 to rotate to drill multiple insertion holes 1411 at the cross-section of the head end of the main drill rod 14, while the second linear drive 1713 drives the second sliding seat 1712 to move along the length direction of the first housing 11, so that the multiple second rotary drive 1714, the first transfer block 1715 and the multiple auxiliary drill rods 1711 can move back and forth synchronously, so that the auxiliary drill rods 1711 drill to the corresponding insertion holes 1411 or withdraw from the insertion holes 1411. The connecting rod 1716 connects the first transfer block 1715 and the second sliding seat 1712, which can prevent the first transfer block 1715 from rotating.

[0044] Specifically, such as Figure 2 and Figure 3As shown, in this embodiment, the rotary drilling component 172 further includes a third sliding seat 1722, a third linear drive component 1723, a third rotary drive component 1724, and a second transfer block 1725. The third sliding seat 1722 is slidably mounted on the front end of one side wall of the first housing 11 in a front-rear direction. The third linear drive component 1723 is mounted on the corresponding side wall of the first housing 11, and the driving end of the third linear drive component 1723 is connected to the third sliding seat 1722 in a transmission connection. The third rotary drive component 1724 is mounted on the third sliding seat 1722 with its driving end facing forward. The second transfer block 1725 is fixedly mounted on the driving end of the third rotary drive component 1724. Multiple of the above components are... The insertion rods 1721 are positioned in front of the second transfer block 1725 in a front-back direction. The rear end of each insertion rod 1721 is fixedly connected to the second transfer block 1725. Multiple insertion rods 1721 correspond one-to-one with multiple insertion holes 1411. The third linear drive 1723 drives the third sliding seat 1722 to drive the third rotary drive 1724 and multiple insertion rods 1721 to move synchronously in the front-back direction. When multiple insertion rods 1721 are inserted into multiple insertion holes 1411, the third rotary drive 1724 drives the second transfer block 1725 and multiple insertion rods 1721 to rotate the head of the main drill rod 14 to exit from the drill hole. This allows the multiple insertion rods 1721 to align with their corresponding insertion holes 1411. At this point, the third linear drive 1723 can push the third sliding seat 1722 forward. Simultaneously, the third rotary drive 1724, the second transfer block 1725, and the multiple insertion rods 1721 will all move forward synchronously until each insertion rod 1721 is inserted into its corresponding insertion hole 1411. Then, the third rotary drive 1724 drives the second transfer block 1725 to rotate, causing the multiple insertion rods 1721 to rotate the head end of the main drill rod 14. The third linear drive 1723 then slowly drives the third sliding seat 1722, the third rotary drive 1724, and the multiple insertion rods 1721 to retract. The head end of the main drill rod 14 will retract accordingly until it exits the borehole.

[0045] Preferred, such as Figure 2 and Figure 5As shown, in this embodiment, both the first transfer block 1715 and the second transfer block 1725 can be equilateral triangular plates, and three auxiliary drill rods 1711 and three connecting rods 1721 can be provided. The second rotary drive member 1714 is rotatably connected to the middle of the first transfer block 1715, while the three auxiliary drill rods 1711 are rotatably connected to the three corners of the first transfer block 1715. The first transfer block 1715 and the second sliding seat 1712 are fixedly connected by a connecting rod 1716, which can avoid... The first transfer block 1715 rotates under the drive of the second rotary drive 1714; similarly, the third rotary drive 1724 is fixedly connected to the middle of the second transfer block 1725, and the three plug-in rods 1721 are fixedly connected to the three corners of the second transfer block 1725 respectively; the three auxiliary drill rods 1711 correspond one-to-one with the three plug-in rods 1721, and ensure that the three plug-in holes 1411 drilled by the three auxiliary drill rods 1711 can be simultaneously aligned with the three plug-in rods 1721.

[0046] In this embodiment, the first linear drive 12, the second linear drive 1713, and the third linear drive 1723 can all be telescopic cylinders (such as telescopic electric cylinders, telescopic pneumatic cylinders, or hydraulic cylinders) or lead screw linear drive components. The first rotary drive 13, the second rotary drive 1714, and the third rotary drive 1724 can all be electric motors or hydraulic motors. Preferably, the first linear drive 12, the second linear drive 1713, and the third linear drive 1723 are hydraulic cylinders, while the first rotary drive 13, the second rotary drive 1714, and the third rotary drive 1724 are geared motors.

[0047] In this embodiment, the cross-section (section perpendicular to its axial direction) of the first housing 11 can be a rectangular frame, and the first sliding seat 112 is slidably installed on the inner bottom wall of the first housing 11 (the specific sliding installation method is prior art and will not be described in detail here). When the first linear drive 12 is a telescopic cylinder, it is installed at the inner rear end of the first housing 11, with its telescopic end facing forward, and is connected to the first sliding seat 112 in a transmission manner. When the first linear drive 12 is a lead screw linear drive, it can be set inside the first housing 11, and its drive end can be directly connected to the first sliding seat 112 in a transmission manner or be integrally formed.

[0048] like Figures 1-3In this embodiment, the drilling component 171 and the rotary drilling component 172 can be respectively disposed on opposite sides of the front end of the first housing 11, and the second sliding seat 1712 and the third sliding seat 1722 can both be slidably mounted on the first housing 11 by means of a slide rail (the sliding mounting method is prior art and will not be described in detail here); when the second linear drive component 1713 and the third linear drive component 1723 are telescopic cylinders, their telescopic ends are both facing forward, the second linear drive component 1713 is located behind the second sliding seat 1712, and the third linear drive component 1723 is located behind the third sliding seat 1722; when the second linear drive component 1713 and the third linear drive component 1723 are lead screw linear drive components, the second sliding seat 1712 can be drivenly connected to the drive end of the second linear drive component 1713 or integrally formed, and the third sliding seat 1722 can be drivenly connected to the drive end of the third linear drive component 1723 or integrally formed.

[0049] In this embodiment, the drilling component 171 and the rotary drilling component 172 can be disposed at the upper and lower ends of the first housing 11. When the drilling component 171 is disposed at the upper end of the first housing 11, the rotary drilling component 172 is disposed at the lower end of the first housing 11. Conversely, when the drilling component 171 is disposed at the lower end of the first housing 11, the rotary drilling component 172 is disposed at the upper end of the first housing 11.

[0050] like Figure 6 As shown, in this embodiment, the main drill bit 14 has a core rod 141 and spiral fins 142 disposed on the outer periphery of the core rod 141. During operation, the spiral fins 142 of the main drill bit 14 are prone to accumulating mud or getting stuck with rocks. In this case, the cleaning mechanism 16 has a poor cleaning effect. Therefore, in this embodiment, the drill arm mechanism 1 may also include a scraping mechanism 18. The scraping mechanism 18 includes a hinge seat 181, a swing rod 182, a scraper 183, and a second spring 184. The swing rod 182 is arranged in the front-to-back direction, and its rear end is rotatably connected to the hinge seat 181. The scraper 183... One end of the scraper 183 is rotatably connected to the front end of the swing rod 182, and the other end of the scraper 183 faces the main drill rod 14 and extends into the spiral fin 142. The second spring 184 is arranged in the front-rear direction. The rear end of the second spring 184 is connected to the hinge seat 181, and the front end of the second spring 184 is connected to the middle of the rear side of the scraper 183. The elastic force of the second spring 184 is used to drive the scraper 183 and the swing rod 182 to move until the scraper 183 extends into the spiral fin 142 and abuts against one side of the spiral fin 142 to perform a scraping operation. In this embodiment, the swing rod 182 can rotate to approach or move away from the first housing 11, and the scraper 183 can rotate back and forth relative to the swing rod 182.

[0051] like Figure 6 As shown, in this embodiment, two cleaning and scraping mechanisms 18 and two cleaning and brushing mechanisms 16 can be provided and set on the hinge seat 181 on one side of the front end of the first housing 11. One cleaning and brushing mechanism 16 and one cleaning and scraping mechanism 18 can be provided on each of the left and right sides of the first housing 11.

[0052] like Figure 7 As shown, in this embodiment, when the drilling component 171 drills the insertion hole 1411 at the head end section of the main drill rod 14, the insertion hole 1411 is located at the section of the core rod 141.

[0053] Example 2 like Figure 8 As shown, this embodiment provides a drill-and-blast assembly, including a rotary lifting seat 2, an angle adjustment frame 3, and a drill arm mechanism 1 as described in Embodiment 1. The rotary lifting seat 2 is vertically arranged, and the angle adjustment frame 3 is installed on the drive end of the rotary lifting seat 2. The first housing 11 is installed on the angle adjustment frame 3. The rotary lifting seat 2 is used to adjust the height and orientation of the drill arm mechanism 1, and the angle adjustment frame 3 is used to adjust the angle of movement and tilt of the drill arm mechanism 1 in the vertical plane along the front-to-back direction. Thus, the rotary lifting seat 2 can adjust the orientation and height of the drill arm mechanism 1, while the angle adjustment frame 3 adjusts the front-to-back movement of the drill arm mechanism 1 and simultaneously adjusts the vertical tilt angle of the drill arm mechanism 1.

[0054] Specifically, such as Figure 9As shown, in this embodiment, the rotary lifting seat 2 includes a docking seat 21, a rotating seat 22, a lifting drive component 23, and a fourth rotary drive component 24. The docking seat 21 includes a flange plate 211 and a spindle 212. The rotating seat 22 is a circular groove with its opening facing downwards. The upper end of the spindle 212 extends into the rotating seat 22, and the two are coaxially rotatably connected. A fixed gear 213 is coaxially fixedly provided at the lower end of the spindle 212. The fourth rotary drive component 24 is installed at the edge of the rotating seat 22. The drive end of the rotating base 22 faces downwards and is coaxially fixed with a transmission gear 241. The fixed gear 213 and the transmission gear 241 mesh with each other. The lifting drive component 23 is installed in the middle of the upper end of the rotating base 22. The tilt adjustment frame 3 is installed at the drive end of the lifting drive component 23. The fourth rotary drive component 24 drives the rotating base 22 to rotate coaxially with respect to the docking seat 21 to adjust the orientation of the drill arm mechanism 1 in the horizontal plane. The lifting drive component 23 is used to adjust the height of the drill arm mechanism 1. In this way, the rotating base 22 rotates relative to the docking seat 21 under the action of the fourth rotary drive component 24, and drives the lifting drive component 23 and the tilt adjustment frame 3 to rotate to adjust the orientation of the drill arm mechanism 1. The lifting drive component 23 drives the tilt adjustment frame 3 to move the drill arm mechanism 1 up and down to adjust the height of the drill arm mechanism 1.

[0055] In this embodiment, the driving end of the lifting drive component 23 constitutes the driving end of the rotating lifting seat 2.

[0056] In this embodiment, the lifting drive 23 with anti-rotation function can be a telescopic cylinder (which can be a telescopic electric cylinder, telescopic pneumatic cylinder, or hydraulic cylinder with anti-rotation function), a linear screw drive, or a double scissor lift platform. In this embodiment, the fourth rotary drive 24 is a motor, specifically a brake-reduced motor or a servo motor. Preferably, the lifting drive 23 can be a hydraulic cylinder (such as the structure disclosed in document CN103557200B "A Hydraulic Cylinder with Anti-Rotation Mechanism") or a double scissor lift platform, and the fourth rotary drive 24 is a brake-reduced motor.

[0057] Specifically, such as Figure 8 , Figure 10 and Figure 11As shown, the tilt adjustment frame 3 in this embodiment includes a mounting base 31, a connecting rod 32, a second housing 33, a sliding rod 34, a fourth linear drive component 35, and a fifth linear drive component 36. The second housing 33 is a strip-shaped shell arranged horizontally in the front-rear direction. A second through hole 331 is provided at the front end of the second housing 33. The sliding rod 34 is arranged horizontally in the front-rear direction, and its rear end passes through the second through hole 331 into the second housing 33. The mounting base 31 is a straight strip-shaped shell arranged above the second housing 33 in the front-rear direction. The connecting rod 32 is arranged vertically. The lower end of the connecting rod 32 is hinged to the front end of the sliding rod 34, and the upper end of the connecting rod 32 is hinged to the front end of the mounting base 31. A strip-shaped hole 332 is provided at the rear upper end of the second housing 33 along its length direction. A fifth linear drive member 36 vertically penetrates the strip hole 332, with its drive end facing upwards. The lower end of the fifth linear drive member 36 is hinged to the upper rear end of the sliding rod 34, and the drive end of the fifth linear drive member 36 is hinged to the rear end of the mounting base 31. The fourth linear drive member 35 is mounted on the second housing 33, and its drive end is connected to the sliding rod 34. The drive end of the rotating lifting seat 2 is fixedly connected to the lower rear end of the second housing 33. The mounting base 31 is arranged at the lower rear end of the first housing 11 along the front-back direction. The fourth linear drive member 35 is used to drive the sliding rod 34, the connecting rod 32, and the fifth linear drive member 36 to move the mounting base 31 along the front-back direction. The fifth linear drive member 36 extends and retracts to adjust the tilt angle of the mounting base 31 in the vertical plane. This allows the quadrilateral structure composed of sliding rod 34, connecting rod 32, mounting base 31 and fifth linear drive member 36 to move back and forth under the drive of fourth linear drive member 35, thereby driving the drill arm mechanism 1 to move back and forth. When the driving end of fifth linear drive member 36 moves up and down, it will change the shape of the quadrilateral structure composed of sliding rod 34, connecting rod 32, mounting base 31 and fifth linear drive member 36, thereby adjusting the tilt angle of drill arm mechanism 1 in the vertical plane.

[0058] In this embodiment, the cross-section (the section perpendicular to its length direction) of the sliding rod 34 is preferably rectangular. Similarly, the cross-section of the second housing 33 is a rectangular frame (similar to the first housing 11), and the second through hole is a square hole that mates with the sliding rod 34. This prevents the sliding rod 34 from twisting inside the second housing 33. In this embodiment, the fourth linear drive 35 can be a telescopic cylinder (such as a telescopic electric cylinder, telescopic air cylinder, or hydraulic cylinder) or a lead screw linear drive. The fifth linear drive 36 can be a telescopic cylinder (such as a telescopic electric cylinder, telescopic air cylinder, or hydraulic cylinder). Preferably, the fourth linear drive 35 is a hydraulic cylinder or a lead screw linear drive, and the fifth linear drive 36 is a hydraulic cylinder.

[0059] like Figure 10 As shown, in this embodiment, when the fourth linear drive 35 is a telescopic cylinder, two of them can be provided. Both fourth linear drive 35 are arranged in the second housing 33 along the front-back direction and are respectively located on both sides of the sliding rod 34. One end of the fourth linear drive 35 is connected to the front end of the second housing 33, and its telescopic end faces backward and is connected to the rear end of the sliding rod 34. The two fourth linear drive 35 extend synchronously to drive the sliding rod 34 to move backward relative to the second housing 33, or the two fourth linear drive 35 retract synchronously to drive the sliding rod 34 to move forward relative to the second housing 33.

[0060] Preferably, in this embodiment, the sliding rod 34 can be slidably connected to the inner bottom wall of the second housing 33. The way the two are slidably connected is the prior art and will not be described in detail here.

[0061] In this embodiment, the horizontal length from the hinge point between the front end of the sliding rod 34 and the connecting rod 32 to the lower end of the fifth linear drive member 36 is greater than the length of the mounting base 31. This makes the quadrilateral structure composed of the sliding rod 34, the connecting rod 32, the mounting base 31, and the fifth linear drive member 36 resemble an isosceles trapezoid when the mounting base 31 is adjusted to a horizontal state, resulting in relatively good stability. Furthermore, when adjusting the tilt angle of the mounting base 31, the fifth linear drive member 36 needs to maintain the connecting rod 32 and the fifth linear drive member 36 in a figure-eight distribution, which gives the mounting base 31 good stability (preferably, the two interior angles at the top of the quadrilateral structure are always obtuse angles).

[0062] In this embodiment, the four hinge points of the quadrilateral structure composed of the sliding rod 34, the connecting rod 32, the mounting base 31 and the fifth linear drive member 36 all rotate relative to each other in the vertical plane, and adjust the shape of the quadrilateral structure (and the tilt angle of the mounting base 31) by changing the distance between the two hinge points corresponding to the fifth linear drive member 36.

[0063] like Figure 10 and Figure 11As shown, in this embodiment, the tilt adjustment bracket 3 further includes a fourth sliding seat 37 and a sixth linear drive member 38. The fourth sliding seat 37 is slidably mounted on the upper rear end of the sliding rod 34 in the front-back direction. The lower end of the fifth linear drive member 36 is hinged to the fourth sliding seat 37. The sixth linear drive member 38 is located inside the second housing 33 and is mounted on the rear end of the sliding rod 34. The driving end of the sixth linear drive member 38 is connected to the fourth sliding seat 37 in a transmission manner. The sixth linear drive member 38 drives the fourth sliding seat 37 to move in the front-back direction to cooperate with the fifth linear drive member 36 to adjust the tilt angle of the mounting base 31 in the vertical plane. This causes the sixth linear drive 38 to drive the fourth sliding seat 37 to move back and forth on the sliding rod 34, and adjusts the distance between the fourth sliding seat 37 and the front end of the sliding rod 34 to adjust the shape of the quadrilateral structure formed by the sliding rod 34, the connecting rod 32, the mounting seat 31 and the fifth linear drive 36, thereby adjusting the tilt angle of the drill arm mechanism 1 in the vertical plane. At the same time, the fifth linear drive 36 and the sixth linear drive 38 can cooperate to adjust the tilt angle of the drill arm mechanism 1 in the vertical plane.

[0064] In this embodiment, the sixth linear drive 38 can be a telescopic cylinder (which can be a telescopic electric cylinder, a telescopic pneumatic cylinder, or a hydraulic cylinder) or a lead screw linear drive. When the sixth linear drive 38 is a telescopic cylinder, it can be installed at the upper front end of the sliding rod 34, with its telescopic end facing forward or backward, and it is connected to the fourth sliding seat 37 in a transmission connection. When the sixth linear drive 38 is a lead screw linear drive, it can be installed at the upper rear end of the sliding rod 34. In this case, the fourth sliding seat 37 can be connected to the driving end of the sixth linear drive 38 in a transmission connection or be integrally formed.

[0065] In this embodiment, even when the fourth sliding seat 37 slides back and forth and the length of the fifth linear drive 36 changes, it is still necessary to ensure that the two sides of the quadrilateral structure composed of the sliding rod 34, the connecting rod 32, the mounting seat 31 and the fifth linear drive 36 are distributed in a figure-eight shape to ensure the stability of the entire quadrilateral structure.

[0066] The sliding installation method of the fourth sliding seat 37 on the sliding rod 34 described in this embodiment is existing technology and will not be elaborated here.

[0067] Example 3 This embodiment provides a drilling and blasting trolley, including the drilling and blasting assembly as described in Embodiment 2. This drilling and blasting trolley has multiple functions, including real-time monitoring of the bending of the main drill rod 14, and flexible adjustment of the orientation, height, and tilt angle of the drill arm mechanism 1.

[0068] In this embodiment, the drilling and blasting trolley may also include a vehicle body (tracked vehicle body or wheeled vehicle body), and the drilling and blasting assembly is mounted on the vehicle body (the structure of the vehicle body and the installation method of the drilling and blasting assembly will not be described in detail here).

[0069] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A drill arm mechanism, characterized in that, The system includes a first housing (11), a first linear drive (12), a first rotary drive (13), a main drill rod (14), and a monitoring component (15). The first housing (11) is a strip-shaped shell arranged in the front-rear direction. A first through hole (111) is provided at the front end of the first housing (11). A first sliding seat (112) is slidably arranged inside the first housing (11) in the front-rear direction. The first rotary drive (13) is located inside the first housing (11) and is mounted on the first sliding seat (112). The driving end of the first rotary drive (13) faces forward. The first linear drive (12) is mounted on the first housing (11), and its driving end is connected to the first sliding seat (15). 12) Transmission connection: The main drill rod (14) is arranged in the front-back direction, and its end extends into the first housing (11) through the first through hole (111) and is connected to the driving end of the first rotary drive (13). The monitoring element (15) is arranged at the front end of the first housing (11). The first linear drive (12) drives the first sliding seat (112) to drive the first rotary drive (13) and the main drill rod (14) to move in the front-back direction. The first rotary drive (13) is used to drive the main drill rod (14) to rotate. The monitoring element (15) is used to monitor the radial runout of the main drill rod (14) when it rotates, so as to determine whether the main drill rod (14) is bent.

2. The drill arm mechanism according to claim 1, characterized in that, The monitoring component (15) includes a mounting cylinder (151), multiple monitoring plates (152), and multiple sensing devices (153). The mounting cylinder (151) is tubular, with one end embedded in the first through hole (111). The main drill rod (14) passes through the middle of the mounting cylinder (151). The monitoring plates (152) are arc-shaped plates. Multiple monitoring plates (152) are located inside the mounting cylinder (151) and are evenly distributed around the main drill rod (14) circumferentially. The axial direction of each monitoring plate (152) is distributed along the front-back direction, and the arc-shaped side of the monitoring plate (152) faces the main drill rod (14). Each monitoring plate (152) has multiple radially protruding, front-back spaced, protruding edges on the side facing away from the main drill rod (14). The guide rods (154) are distributed, and the mounting cylinder (151) has sliding holes (1511) aligned with each guide rod (154). Each guide rod (154) slides through the corresponding sliding hole (1511), and a first spring (155) is sleeved on each guide rod (154) between the monitoring plate (152) and the mounting cylinder (151). The elastic force of the first spring (155) is used to drive the monitoring plate (152) to move and abut against the outer periphery of the main drill rod (14). The sensing device (153) is disposed on the side of the monitoring plate (152) away from the main drill rod (14). The sensing device (153) is used to monitor the radial runout of the main drill rod (14) when it rotates.

3. The drill arm mechanism according to claim 1, characterized in that, It also includes a plurality of cleaning mechanisms (16) installed at circumferential intervals at the front end of the first housing (11). The cleaning mechanism (16) includes a mounting rod (161) protruding in the front end of the first housing (11) in the front-back direction. The mounting rod (161) is provided with bristles (162) that contact the main drill rod (14) on the side near the main drill rod (14). The cleaning mechanism (16) is used to brush off the sticky slag on the main drill rod (14).

4. The drill arm mechanism according to any one of claims 1-3, characterized in that, It also includes a rod-retrieving assembly (17) installed at the front end of the first housing (11). The rod-retrieving assembly (17) includes a drilling component (171) and a rotary drilling component (172). The drilling component (171) and the rotary drilling component (172) are respectively installed on the side wall of either side of the front end of the first housing (11). When the main drill rod (14) breaks during drilling, the head end of the main drill rod (14) is stuck in the borehole. The drilling component (171) has a secondary drill rod (1711). The rod (1711) is used to drill multiple spaced insertion holes (1411) at the cross-section of the head end of the main drill rod (14). The rotary drill (172) has multiple insertion rods (1721), and the multiple insertion rods (1721) correspond one-to-one with the multiple insertion holes (1411). Each insertion rod (1721) is inserted into the corresponding insertion hole (1411), and the rotary drill (172) drives the head end of the main drill rod (14) to rotate so as to withdraw from the drill hole.

5. The drill arm mechanism according to claim 4, characterized in that, The drilling component (171) further includes a second sliding seat (1712), a second linear drive (1713), a second rotary drive (1714), and a first transfer block (1715). Multiple auxiliary drill rods (1711) are provided. The second sliding seat (1712) is slidably mounted on the front end of one side wall of the first housing (11) in the front-rear direction. The second linear drive (1713) is mounted on the corresponding side wall of the first housing (11), with its drive end connected to the second sliding seat (1712). The second rotary drive (1714) is mounted on the second sliding seat (1712) with its drive end facing forward. The first transfer block (1715) is rotatably mounted on the drive end of the second rotary drive (1714) and connected to the second sliding seat (1712) via a connecting rod (1716). Multiple auxiliary drill rods (1711) are arranged in the front-rear direction. In front of the first transfer block (1715), and evenly distributed around the driving end of the second rotary drive (1714), the ends of each auxiliary drill rod (1711) are rotatably connected to the first transfer block (1715). A first gear (1717) is coaxially fixed at the end of each auxiliary drill rod (1711), and a second gear (1718) is coaxially fixed at the driving end of the second rotary drive (1714). Multiple first gears (1717...) 17) The second gear (1718) meshes with each other, and the second linear drive (1713) drives the second sliding seat (1712) to drive the second rotary drive (1714) and the multiple auxiliary drill rods (1711) to move synchronously in the front-back direction. The multiple auxiliary drill rods (1711) rotate synchronously under the drive of the second rotary drive (1714) to drill multiple insertion holes (1411) at the cross-section of the head of the main drill rod (14) at the same time.

6. The drill arm mechanism according to claim 4, characterized in that, The rotary drilling component (172) further includes a third sliding seat (1722), a third linear drive component (1723), a third rotary drive component (1724), and a second transfer block (1725). The third sliding seat (1722) is slidably mounted on the front end of one side wall of the first housing (11) in the front-rear direction. The third linear drive component (1723) is mounted on the corresponding side wall of the first housing (11). The drive end of the third linear drive component (1723) is connected to the third sliding seat (1722) in a transmission connection. The third rotary drive component (1724) is mounted on the third sliding seat (1722) with its drive end facing forward. The second transfer block (1725) is fixedly mounted on the drive end of the third rotary drive component (1724). Multiple insertion rods (1 721) The front and rear directions are arranged in front of the second transfer block (1725). The rear end of each of the plug rods (1721) is fixedly connected to the second transfer block (1725). Multiple plug rods (1721) correspond one-to-one with multiple plug holes (1411). The third linear drive (1723) is used to drive the third sliding seat (1722) to drive the third rotary drive (1724) and multiple plug rods (1721) to move synchronously in the front and rear directions. When multiple plug rods (1721) are inserted into multiple plug holes (1411), the third rotary drive (1724) is used to drive the second transfer block (1725) and multiple plug rods (1721) to drive the head of the main drill rod (14) to rotate so as to exit from the drill hole.

7. A drill-and-blast assembly, characterized in that, The device includes a rotary lifting seat (2), an angle adjustment frame (3), and a drill arm mechanism (1) as described in any one of claims 1-6. The rotary lifting seat (2) is vertically arranged, the angle adjustment frame (3) is installed on the drive end of the rotary lifting seat (2), and the first housing (11) is installed on the angle adjustment frame (3). The rotary lifting seat (2) is used to adjust the height and orientation of the drill arm mechanism (1), and the angle adjustment frame (3) is used to adjust the angle at which the drill arm mechanism (1) moves and tilts in the vertical plane along the front-back direction.

8. The drill-and-blast assembly according to claim 7, characterized in that, The rotating lifting seat (2) includes a docking seat (21), a rotating seat (22), a lifting drive (23), and a fourth rotating drive (24). The docking seat (21) includes a flange plate (211) and a spindle (212). The rotating seat (22) is a circular groove with its opening facing downwards. The upper end of the spindle (212) extends into the rotating seat (22), and the two are coaxially rotatably connected. A fixed gear (213) is coaxially fixedly provided at the lower end of the spindle (212). The fourth rotating drive (24) is installed at the edge of the rotating seat (22), and its... The drive end faces downward and is coaxially fixed with a transmission gear (241). The fixed gear (213) and the transmission gear (241) mesh with each other. The lifting drive (23) is installed in the middle of the upper end of the rotating seat (22). The tilt adjustment bracket (3) is installed at the drive end of the lifting drive (23). The fourth rotation drive (24) drives the rotating seat (22) to rotate coaxially with the docking seat (21) to adjust the orientation of the drill arm mechanism (1) in the horizontal plane. The lifting drive (23) is used to adjust the height of the drill arm mechanism (1).

9. The drill-and-blast assembly according to claim 7, characterized in that, The tilt adjustment frame (3) includes a mounting base (31), a connecting rod (32), a second housing (33), a sliding rod (34), a fourth linear drive (35), and a fifth linear drive (36). The second housing (33) is a strip-shaped shell arranged horizontally in the front-back direction. A second through hole (331) is provided at the front end of the second housing (33). The sliding rod (34) is arranged horizontally in the front-back direction, and its rear end passes through the second through hole (331) into the second housing (33). The mounting base (31) is a straight strip and is arranged above the second housing (33) in the front-back direction. The connecting rod (32) is arranged vertically. The lower end of the connecting rod (32) is hinged to the front end of the sliding rod (34), and the upper end of the connecting rod (32) is hinged to the front end of the mounting base (31). A strip-shaped hole (332) is provided at the rear upper end of the second housing (33) along its length direction. The fifth linear drive (36) A linear drive member (36) extends vertically through the strip hole (332) with its drive end facing upward. The lower end of the fifth linear drive member (36) is hinged to the upper rear end of the sliding rod (34). The drive end of the fifth linear drive member (36) is hinged to the rear end of the mounting base (31). The fourth linear drive member (35) is mounted on the second housing (33) and its drive end is connected to the sliding rod (34). The drive end of the rotary lifting seat (2) is fixedly connected to the lower rear end of the second housing (33). The mounting base (31) is arranged at the lower rear end of the first housing (11) in the front-back direction. The fourth linear drive member (35) is used to drive the sliding rod (34), the connecting rod (32), and the fifth linear drive member (36) to move the mounting base (31) in the front-back direction. The fifth linear drive member (36) extends and retracts to adjust the tilt angle of the mounting base (31) in the vertical plane.

10. The drill-and-blast assembly according to claim 9, characterized in that, The tilt adjustment bracket (3) further includes a fourth sliding seat (37) and a sixth linear drive (38). The fourth sliding seat (37) is slidably mounted on the upper rear end of the sliding rod (34) in the front-back direction. The lower end of the fifth linear drive (36) is hinged to the fourth sliding seat (37). The sixth linear drive (38) is located inside the second housing (33) and mounted on the rear end of the sliding rod (34). The driving end of the sixth linear drive (38) is connected to the fourth sliding seat (37) in a transmission manner. The sixth linear drive (38) drives the fourth sliding seat (37) to move in the front-back direction to cooperate with the fifth linear drive (36) to adjust the tilt angle of the mounting base (31) in the vertical plane.

11. A drilling and blasting trolley, characterized in that, Includes the drill-and-blast assembly as described in any one of claims 7-10.

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