Rock drilling system of roadway and tunnel anchor rod trolley
By integrating a drill arm, impact drilling, and dust suppression and slag collection system onto the anchor bolt trolley in the tunnel, the threat posed by dust and rock debris to miners and equipment during rock drilling has been resolved, thereby improving safety and reliability.
Patent Information
- Application Number
- CN202422695426.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-06
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-11-06
AI Technical Summary
During the rock drilling process, the dust and rock debris discharged from the borehole by the anchor bolt trolley in the tunnel pose a threat to the personal safety of miners and the reliability of equipment, and existing technologies are unable to effectively solve this problem.
A tunnel anchor bolt trolley rock drilling system was designed, which includes a drill arm system, an impact rock drilling system, and a dust suppression and slag collection system. Utilizing the principle of negative pressure adsorption and spray extinguishing technology, the slag collection hood covers the dust at the borehole opening and quickly removes rock slag and water slurry through the dust suction pipe, reducing dust leakage and rock slag spillage.
It effectively reduces the risk of personal injury to miners during drill pipe replacement, improves the safety and reliability of anchor bolt support equipment, reduces equipment downtime, and enhances the safety of the working environment.
Smart Images
Figure CN223594137U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the roadway and tunnel anchor rod support technical field, concretely relates to a kind of roadway tunnel anchor rod jumbo rock drilling system. BACKGROUND
[0002] Roadway tunnel anchor rod jumbo is as important equipment of coal mine roadway and engineering tunnel excavation and support, undertakes the main task of roadway full-face anchor hole percussion rock drilling, and roadway tunnel anchor rod jumbo needs to keep rotating while constantly impacting rock at high frequency in the process of rock drilling and hole drilling, and needs to be sprayed with water through the through hole in the middle of drill rod to carry out dust suppression and slag flushing, the dust and water flow impact carried out rock slag in hole drilling will be discharged along the drill hole. Therefore, when drill rod is replaced by artificial in the process of roadway tunnel top deep hole rock drilling of roadway tunnel anchor rod jumbo, the dust and rock slag discharged in drill hole will cause great harm to the personal safety and respiratory health of miner, and the dust and rock slag falling also inevitably fall on anchor rod jumbo, which threatens the reliability and life of rock drilling equipment. Therefore, a roadway tunnel anchor rod jumbo rock drilling system is needed, which reduces the personal injury risk of miner in the process of replacing drill rod of roadway tunnel anchor rod jumbo, and improves the reliability and life of anchor rod support equipment.
[0003] The information disclosed in this section is only intended to increase the understanding of the overall background of the utility model, and should not be regarded as acknowledging or implying in any form that the information constitutes prior art known to those skilled in the art. CONTENT OF UTILITY MODEL
[0004] The utility model aims at providing a kind of roadway tunnel anchor rod jumbo rock drilling system, which can solve the problem of poor working environment and high personnel safety risk of miner and equipment in the process of rock drilling and hole drilling of roadway tunnel anchor rod jumbo in prior art.
[0005] To achieve the above-mentioned purpose, the technical scheme provided by a specific embodiment of the utility model is as follows:
[0006] A roadway tunnel anchor rod jumbo rock drilling system, comprising an anchor rod jumbo body, further comprising:
[0007] A drill arm system, the drill arm system comprises a drill arm base, an adjusting oil cylinder and a drill arm, the drill arm base is fixedly connected to the anchor rod jumbo body, and the drill arm base is fixed on the anchor rod jumbo body to provide support for the drill arm system. The adjusting oil cylinder is installed on the drill arm base in a hinged manner, which can realize left and right swinging and up and down pitching of the drill arm.
[0008] The impact rock drilling system comprises a drill rod, a rock drill, a guide rail and a positioning shock absorbing block, the drill rod is detachably mounted on the rock drill through threads, the rock drill is slidably mounted on the guide rail, the rock drill can provide high-frequency impact and low-frequency rotation to the drill rod mounted on the tail of the rock drill, so that the rock is rapidly and uniformly broken, and the rock drill can spray water into the hollow drill rod through the hollow tail to extinguish the dust generated by rock drilling and wash the rock debris generated by rock drilling.
[0009] The dust removal and debris collection system comprises a dust removal and debris collection device, an orifice dust removal and water flushing pipeline, a dust suction pipeline, a negative pressure dust suction pump station and a debris storage box, the dust removal and debris collection device is mounted on the front end side wall of the guide rail and used for dust removal and debris collection, and the dust removal and debris collection device can be moved along with the guide rail.
[0010] In one or more embodiments of the utility model, one end of the drill arm is mounted on the drill arm base through hinging, the other end of the drill arm is mounted on the adjusting oil cylinder through hinging, and various working positions of the drill arm system and the impact rock drilling system in the tunnel can be realized through the telescopic and rotary joints.
[0011] In one or more embodiments of the utility model, the positioning shock absorbing block is fixedly connected to the front end side wall of the guide rail, before drilling of the drill rod, the three-dimensional position of the drill arm and the guide rail needs to be controlled to ensure that the positioning shock absorbing block is in good and stable contact with the tunnel wall to be drilled.
[0012] In one or more embodiments of the utility model, the dust removal and debris collection device is fixedly and coaxially mounted on the side wall of the positioning shock absorbing block, and the dust removal and debris collection device comprises a debris collection cover, a dust removal nozzle, a flow guide groove and a debris collection port.
[0013] In one or more embodiments of the utility model, the debris collection cover is fixedly connected to the side wall of the positioning shock absorbing block and used for covering the dust emitted from the orifice and collecting the debris and water slurry falling therefrom.
[0014] In one or more embodiments of the utility model, the dust fall nozzle is installed on the orifice dust removal flushing water pipeline, and the flushing water conveyed in the orifice dust removal flushing water pipeline is changed into spray through the dust fall nozzle, so that the dust removal range and efficiency of the orifice are improved. The dust fall nozzle penetrates through the mounting hole of the positioning damping block and is placed at the front end of the positioning damping block, so that the flushing water after atomization of the dust fall nozzle is used for dust removal.
[0015] In one or more embodiments of the utility model, the flow guide groove is provided with a plurality of flow guide grooves which are evenly arranged on the inner side wall of the slag collecting cover, and the structure of the flow guide groove is in the form of a spatial spiral line, so that the rock slag and water slurry scattered from the drilling orifice can be quickly collected to the slag collecting port through the flow guide groove.
[0016] In one or more embodiments of the utility model, the slag collecting port is arranged on the inner side wall of the slag collecting cover, and the mechanism of the slag collecting cover is a spatial notch mechanism, so that the rock slag and water slurry scattered from the drilling orifice can be quickly introduced into the dust suction pipeline through the slag collecting port.
[0017] In one or more embodiments of the utility model, one end of the dust suction pipeline is installed on the slag collecting port, and the other end of the dust suction pipeline is installed at the inlet of the negative pressure dust suction pump station. The negative pressure dust suction pump station provides negative pressure to the dust suction pipeline, so that the slag collecting port is in a negative pressure state, and thus the rock slag and water slurry scattered from the drilling orifice can be sucked into the dust suction pipeline through the slag collecting port by negative pressure.
[0018] In one or more embodiments of the utility model, the negative pressure dust suction pump station is installed on the anchor rod trolley body, and the slag storage tank is connected with the outlet pipeline of the negative pressure dust suction pump station, so that the rock slag and water slurry collected by the negative pressure dust suction pump station are conveyed to the slag removal tank for treatment.
[0019] Compared with the prior art, the dust removal and slag collecting device can spray and extinguish the dust at the drilling orifice, and simultaneously utilize the negative pressure adsorption principle to quickly collect and guide out the rock slag and water slurry flowing out of the orifice through the slag collecting cover and the dust suction pipeline, so as to eliminate the adverse effects of dust leakage and rock slag scattering on personnel and equipment in the process of impact drilling, improve the safety and reliability of anchor rod support, reduce the risk of personnel working under the drilling arm being covered with dust and being hit by rock slag, and further reduce the downtime rate in the process of anchor rod trolley support operation, so that the utility model has wide application value and can be widely applied in the field of roadway and tunnel excavation support. BRIEF DESCRIPTION OF DRAWINGS
[0020] In order to more clearly illustrate the technical schemes in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings described below are only some embodiments described in the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the premise of the drawings.
[0021] Figure 1 It is a whole schematic view of a roadway and tunnel anchor rod jumbo rock drilling system in the embodiment of the present application.
[0022] Figure 2 It is a working principle schematic view of a roadway and tunnel anchor rod jumbo percussion rock drilling system in the embodiment of the present application.
[0023] Figure 3 It is a schematic view of personnel and equipment arrangement and rock residue falling position of the anchor rod jumbo in the roadway and tunnel drilling operation in the embodiment of the present application.
[0024] Figure 4 It is a detailed structure schematic view of a roadway and tunnel anchor rod jumbo rock drilling system in the embodiment of the present application.
[0025] Figure 5 It is a structure schematic view of a dust removal and residue collecting device in the embodiment of the present application.
[0026] Main drawing mark explanation:
[0027] 1 drill arm system; 2 percussion rock drilling system; 3 dust removal and residue collecting system; 1-1 drill arm base; 1-2 adjusting oil cylinder; 1-3 drill arm; 2-1 drill rod; 2-2 rock drill; 2-3 guide rail; 2-4 positioning damping block; 3-1 dust removal and residue collecting device; 3-2 orifice dust removal and flushing pipe; 3-3 dust collection pipe; 3-4 negative pressure dust collection pump station; 3-5 residue storage box; 3-1-1 residue collecting cover; 3-1-2 dust removal nozzle; 3-1-3 flow guide groove; 3-1-4 residue collecting port. DETAILED DESCRIPTION
[0028] In order to make the person skilled in the art better understand the technical schemes in the present application, the following will combine the drawings in the embodiments of the present application to clearly and completely describe the technical schemes in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the protection scope of the present application.
[0029] For example, Figure 1As shown, the utility model discloses a kind of roadway tunnel anchor rod jumbo rock drilling systems in one embodiment of the utility model, including anchor rod jumbo body, still including drill boom system 1, percussion rock drilling system 2 and dust suppression and residue collection system 3.
[0030] As Figure 1 And Figure 4 As shown, drill boom system 1 includes drill boom pedestal 1-1, adjusting cylinder 1-2 and drill boom 1-3, drill boom pedestal 1-1 is fixedly connected on anchor rod jumbo body, drill boom pedestal 1-1 is fixed on anchor rod jumbo body and provides support for drill boom system 1.Adjusting cylinder 1-2 is installed on drill boom pedestal 1-1 in hinged manner, can realize left and right swing and up and down pitch of drill boom 1-3.
[0031] As Figure 1 And Figure 4 As shown, one end of drill boom 1-3 is installed on drill boom pedestal 1-1 in hinged manner, the other end of drill boom 1-3 is installed on adjusting cylinder 1-2 in hinged manner, can be realized through telescopic and rotary joint drill boom system 1 and percussion rock drilling system 2 in various operating poses in roadway tunnel.
[0032] As Figure 1 And Figure 4 As shown, percussion rock drilling system 2 includes drill rod 2-1, rock drill 2-2, guide rail 2-3 and positioning shock-absorbing block 2-4, drill rod 2-1 is installed on rock drill 2-2 in detachable manner by screw thread, rock drill 2-2 is installed on guide rail 2-3 in sliding connection, realize the back and forth reciprocating movement of rock drill 2-2 on guide rail 2-3, simultaneously rock drill 2-2 can provide high-frequency impact and low-frequency rotary motion for drill rod 2-1 installed on its drill tail part, to make rock break rapidly and uniformly, and rock drill 2-2 can be flushed to hollow drill rod 2-1 in hollow drill tail, to extinguish dust produced by rock drilling and flush rock residue produced by rock drilling.Guide rail 2-3 is fixedly connected on the terminal of drill boom 1-3, to provide movement track and positioning support for reciprocating propulsion movement of rock drill 2-2 and drill rod 2-1.
[0033] As Figure 1 And Figure 4 As shown, positioning shock-absorbing block 2-4 is fixedly connected on the most forward end side wall of guide rail 2-3, before drill rod 2-1 begins to drill, three-dimensional position of drill boom 1-3 and guide rail 2-3 needs to be controlled, to ensure that positioning shock-absorbing block 2-4 and roadway tunnel wall surface to be drilled present good stable contact.Positioning shock-absorbing block 2-4 is provided with mounting hole, and component is installed through mounting hole.
[0034] As Figure 1 、 Figure 4 And Figure 5As shown, the dust removal and residue collection system 3 includes a dust removal and residue collection device 3-1, an orifice dust removal and flushing pipe 3-2, a dust suction pipe 3-3, a negative pressure dust suction pump station 3-4, and a residue storage box 3-5. The dust removal and residue collection device 3-1 is installed on the front end side wall of the guide rail 2-3, and is used for water spraying and dust removal, and collecting the rock residue generated by the rock drilling. The dust removal and residue collection device 3-1 can be moved by the movement of the guide rail 2-3. The orifice dust removal and flushing pipe 3-2 is arranged along the side of the guide rail 2-3 in parallel with the guide rail 2-3. The dust suction pipe 3-3 is arranged between the guide rail 2-3 and the negative pressure dust suction pump station 3-4, and is used for negative pressure suction and transmission of the rock residue, dust, and water slurry.
[0035] As shown in Figure 4 and Figure 5 , the dust removal and residue collection device 3-1 is fixedly and coaxially installed on the side wall of the positioning and damping block 2-4. The dust removal and residue collection device 3-1 includes a residue collection cover 3-1-1, a dust removal nozzle 3-1-2, a flow guide groove 3-1-3, and a residue collection port 3-1-4.
[0036] As shown in Figure 4 and Figure 5 , the residue collection cover 3-1-1 is fixedly connected to the side wall of the positioning and damping block 2-4, and is used for covering the dust floating out of the orifice and collecting the rock residue and water slurry falling off. The residue collection cover 3-1-1 is provided with a through hole for the drill rod 2-1 to penetrate, so that the drill rod 2-1 can pass through the through hole of the residue collection cover 3-1-1 to contact the rock.
[0037] As shown in Figure 4 and Figure 5 , the dust removal nozzle 3-1-2 is installed on the orifice dust removal and flushing pipe 3-2. The dust removal nozzle 3-1-2 converts the flushing water conveyed in the orifice dust removal and flushing pipe 3-2 into spray, so as to improve the dust removal range and efficiency of the orifice. The end of the dust removal nozzle 3-1-2 away from the orifice dust removal and flushing pipe 3-2 penetrates through the mounting hole provided on the positioning and damping block 2-4 and is placed at the front end of the positioning and damping block 2-4, so that the flushing water atomized by the dust removal nozzle 3-1-2 performs dust removal.
[0038] As shown in Figure 4 and Figure 5 , the flow guide groove 3-1-3 is provided with a plurality of flow guide grooves 3-1-3, which are uniformly arranged on the inner side wall of the residue collection cover 3-1-1. The flow guide groove 3-1-3 is in the form of a spatial spiral line. The flow guide groove 3-1-3 can quickly collect the rock residue and water slurry falling off the drilling orifice to the residue collection port 3-1-4.
[0039] As shown in Figure 4 and Figure 5As shown in the drawings, the slag collecting port 3-1-4 is arranged on the inner side wall of the slag collecting cover 3-1-1, and the mechanism space notch mechanism of the slag collecting cover 3-1-1 is arranged. Through the slag collecting port 3-1-4, the rock debris and water slurry falling from the drilling hole are quickly introduced into the dust suction pipeline 3-3.
[0040] As shown in the drawings, Figure 4 and Figure 5 As shown in the drawings, one end of the dust suction pipeline 3-3 is installed on the slag collecting port 3-1-4, and the other end of the dust suction pipeline 3-3 is installed at the inlet of the negative pressure dust suction pump station 3-4. The negative pressure dust suction pump station 3-4 provides negative pressure to the dust suction pipeline 3-3, so that the slag collecting port 3-1-4 is in a negative pressure state, so that the rock debris and water slurry falling from the drilling hole can be sucked into the dust suction pipeline 3-3 through the slag collecting port 3-1-4.
[0041] As shown in the drawings, Figure 3 and As shown in the drawings, the negative pressure dust suction pump station 3-4 is installed on the anchor rod trolley body, and the slag storage box 3-5 is connected with the outlet pipeline of the negative pressure dust suction pump station 3-4, so that the rock debris and water slurry collected by the negative pressure dust suction pump station 3-4 are transported to the slag removal box 3-5 for treatment.
[0042] In use, the drill rod 2-1 in the percussion rock drilling system 2 continuously impacts the rock under the rotation and impact of the rock drill 2-2, which can continuously break the rock. The water inside the drill rod 2-1 and the rock drill 2-2 continuously impacts the surface of the rock and washes out the broken rock particles from the drilling hole, forming rock debris discharged from the drilling hole;
[0043] As shown in the drawings, When the drill arm system 1 and the percussion rock drilling system 2 are in a lower position (position I, position II) area for drilling on both sides of the tunnel, the personnel are always away from the hole position of the drilling hole during the process of changing the drill rod 2-1 and other operations. A part of the rock debris and water slurry generated by the percussion rock drilling system 2 is sucked into the slag storage box by the dust removal and slag collecting system 3, and the other part can flow out along the vertical direction of the drilling hole through the gap between the slag collecting cover 3-1-1 and the rock surface, without interfering with the personnel and equipment. When the drill arm system 1 and the percussion rock drilling system 2 are in a higher position and a roof position (position III, position IV, position V) area for drilling on both sides of the tunnel, the personnel may pass through the drilling hole directly below during the process of changing the drill rod 2-1 and other operations. At this time, the rock debris and water slurry generated by the percussion rock drilling system 2 are sucked into the slag storage box by the dust removal and slag collecting system 3, which can eliminate or reduce the influence of the falling rock debris and water slurry on the safety of personnel and the reliability of equipment.
[0044] When the drill boom system 1 supports the percussion rock drilling system 2 to perform drilling operation at a lower position of the side of the tunnel, the operation personnel is not below the rock drilling, the positioning shock-absorbing block 2-4 at the front end of the guide rail 2-3 of the percussion rock drilling system 2 is first in stable contact with the rock surface of the side of the tunnel, and in the process of continuously drilling, the slag collecting cover 3-1-1 always holds the drilling position to prevent dust generated by rock drilling from leaking out, at the same time, the dust fall nozzle 3-1-2 connected with the drilling mouth dust fall flushing pipeline 3-2 can perform accurate dust fall operation on the dust at the drilling mouth position by means of water flushing and spraying, and the rock slag and water slurry generated in the drilling process can be partially sucked into the dust suction pipeline 3-3 by the negative pressure dust suction pump station 3-4 through the flow guide groove 3-1-3 and the slag collecting port 3-1-4 in the slag collecting cover 3-1-1, and the other part can slowly flow down along the gap between the slag collecting cover 3-1-1 and the rock surface, without affecting the personnel and the anchor rod trolley.
[0045] It should be apparent to those skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Thus, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the present application being indicated by the appended claims rather than by the above description, and it is intended to be encompassed within the present application all changes and further modifications thereof which come within the meaning and range of equivalency of the claims. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.
[0046] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature or implementation described herein. The specification can include implicit combinations of explicitly mentioned features and / or implicit combinations of implicitly mentioned features. Such combinations are also expressly included within the scope of the specification and an embodiment.
Claims
1. A rock drilling system for a tunnel anchor bolt trolley, comprising an anchor bolt trolley body, characterized in that, Also includes: The drill arm system includes a drill arm base, an adjusting cylinder, and a drill arm. The drill arm base is fixedly connected to the anchor trolley body, and the adjusting cylinder is hinged to the drill arm base. An impact rock drilling system includes a drill rod, a rock drill, a guide rail, and a positioning damping block. The drill rod is detachably mounted on the rock drill via threads. The rock drill is mounted on the guide rail via a sliding connection. The guide rail is fixedly connected to the end of the drill arm. A dust suppression and slag collection system, comprising a dust suppression and slag collection device, an orifice dust suppression and flushing water pipeline, a dust suction pipeline, a negative pressure dust suction pump station, and a slag storage box. The dust suppression and slag collection device is installed on the front side wall of the guide rail. The orifice dust suppression and flushing water pipeline is arranged parallel to the guide rail along the side of the guide rail. The dust suction pipeline is arranged between the guide rail and the negative pressure dust suction pump station.
2. The tunnel anchor bolt trolley rock drilling system according to claim 1, characterized in that, One end of the drill arm is hinged to the drill arm base, and the other end of the drill arm is hinged to the adjusting cylinder.
3. The tunnel anchor bolt trolley rock drilling system according to claim 1, characterized in that, The positioning damping block is fixedly connected to the frontmost side wall of the guide rail, and the positioning damping block is provided with mounting holes.
4. The tunnel anchor bolt trolley rock drilling system according to claim 3, characterized in that, The dust suppression and slag collection device is fixedly and coaxially installed on the side wall of the positioning and shock absorption block. The dust suppression and slag collection device includes a slag collection hood, a dust suppression nozzle, a guide channel, and a slag collection port.
5. A tunnel anchor bolt trolley rock drilling system according to claim 4, characterized in that, The slag collection cover is fixedly connected to the side wall of the positioning and shock-absorbing block, and the slag collection cover has a through hole for the drill rod to pass through.
6. The tunnel anchor bolt trolley rock drilling system according to claim 5, characterized in that, The dust suppression nozzle is installed on the dust suppression and flushing pipe at the orifice. The end of the dust suppression nozzle away from the dust suppression and flushing pipe at the orifice passes through the mounting hole opened on the positioning and damping block and is placed at the front end of the positioning and damping block.
7. A tunnel anchor bolt trolley rock drilling system according to claim 6, characterized in that, Multiple guide channels are provided, and the multiple guide channels are evenly opened on the inner side wall of the slag collection hood. The structure of the guide channels is set in the form of a spatial spiral.
8. A tunnel anchor bolt trolley rock drilling system according to claim 7, characterized in that, The slag collection port is located on the inner wall of the slag collection hood, and the slag collection hood has a spatial recess mechanism.
9. A tunnel anchor bolt trolley rock drilling system according to claim 8, characterized in that, One end of the suction pipe is installed on the slag collection port, and the other end of the suction pipe is installed at the inlet of the negative pressure suction pump station.
10. A tunnel anchor bolt trolley rock drilling system according to claim 1, characterized in that, The negative pressure dust collection pump station is installed on the anchor bolt trolley body, and the slag storage box is connected to the outlet pipe of the negative pressure dust collection pump station.