Drilling device for airport construction
By combining the vertical lifting assembly, differential speed anti-damage mechanism, and vibration damping assembly, the problems of easy jamming and low efficiency of traditional drilling devices are solved, achieving high-efficiency drilling and long-life drill bits, reducing labor intensity and resource waste.
Patent Information
- Application Number
- CN202511459327.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-13
- Publication Date
- 2025-11-18
AI Technical Summary
Traditional drilling devices are prone to bit jamming, and reverse impacts can easily damage transmission components. They also lack vibration assistance, resulting in low drilling efficiency in hard formations.
The design employs a combination of vertical lifting components, differential speed damage prevention mechanism, check valve components, and vibration damping components. By preventing reverse rotation, differential speed damage prevention, and vibration-assisted drilling, it prevents jamming and improves drilling efficiency.
It improves drilling efficiency, prevents equipment jamming, extends drill bit lifespan, reduces manual cleaning labor intensity, and saves resources.
Smart Images
Figure CN120968428A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of drilling equipment, and particularly relates to an airport construction drilling device. BACKGROUND
[0002] In large infrastructure construction, such as an airport construction project, a dewatering well drilling is a key link for ensuring construction safety and engineering quality. Airport construction usually involves large-area earthwork excavation and foundation construction, and if the underground water level is high, water accumulation in the foundation pit, soil instability and other problems may occur, which seriously affect the construction progress and safety. Therefore, the construction of the dewatering well becomes an indispensable part of the airport construction.
[0003] The traditional drilling device is prone to be stuck, and the reverse impact is easy to damage the transmission components, and at the same time, the vibration auxiliary function is lacked, so that the drilling efficiency in hard stratum is low. Therefore, the airport construction drilling device is proposed by the person skilled in the art to solve the problems in the above background. SUMMARY
[0004] The purpose of the present application is to provide an airport construction drilling device to solve the problems in the above background.
[0005] To achieve the above purpose, the present application provides the following technical scheme: An airport construction drilling device comprises a conveying vehicle, a positioning frame fixedly connected to the conveying vehicle, a vertical lifting assembly arranged on the positioning frame, a limiting box fixedly connected to one end of the vertical lifting assembly away from the positioning frame, a differential damage prevention mechanism in transmission connection with the vertical lifting assembly, a check valve assembly in transmission connection between the vertical lifting assembly and the differential damage prevention mechanism and used for preventing the differential damage prevention mechanism from rotating reversely, the differential damage prevention mechanism being installed in the limiting box, a drilling mechanism in transmission connection with the differential damage prevention mechanism, the drilling mechanism comprising a drilling assembly in transmission connection with the differential damage prevention mechanism, and a vibration assembly used for assisting the drilling assembly in drilling and unblocking.
[0006] As a further scheme of the present application, the vertical lifting assembly comprises a fixed screw rod fixedly connected to the positioning frame, a lifting screw sleeve in screw connection with the fixed screw rod, a lifting fixing plate in rotational connection with the lifting screw sleeve, one end of the lifting fixing plate being fixedly connected to the limiting box, a conveying motor fixedly connected to the lifting fixing plate, an output end of the conveying motor being coaxially fixedly connected with a driving worm, the driving worm being in rotational connection with the lifting fixing plate, the driving worm being in meshing connection with a driving worm wheel, the driving worm wheel being fixedly connected with a transmission shaft, limiting blocks being in rotational connection with both sides of the transmission shaft, the limiting blocks being fixedly connected to the lifting fixing plate, and the transmission shaft being in transmission connection with the lifting screw sleeve through bevel gear sets at both ends of the transmission shaft.
[0007] As a further scheme of the present application: the check assembly comprises a rotating block, the rotating block is fixedly connected at the end of the driving worm away from the driving motor, the rotating block is fixedly connected with an elastic resisting piece, the elastic resisting piece is matched with a limiting pawl, the limiting pawl is rotatably connected on the rotating block, the limiting pawl is engaged with a clamping position ratchet, the clamping position ratchet is fixedly connected on the driving shaft, the driving shaft is rotatably connected with the rotating block through a bearing, and the driving shaft is rotatably connected with the lifting fixing plate.
[0008] As a further scheme of the present application: the differential loss prevention mechanism comprises a driving bevel gear, the driving bevel gear is fixedly connected at the end of the driving shaft away from the check assembly, the driving bevel gear is engaged with a differential bevel gear, the differential bevel gear is fixedly connected with a constant shaft, the constant shaft is rotatably connected with a limiting box, the constant shaft is fixedly connected with a uniform rotation bevel gear below, the uniform rotation bevel gear is engaged with a planetary bevel gear, the planetary bevel gear is rotatably connected with a fixed frame, the fixed frame is fixedly connected on the differential bevel gear, and the planetary bevel gear is engaged with an output bevel gear at the end away from the uniform rotation bevel gear, the output bevel gear is rotatably connected with an output shaft below, and the output shaft is rotatably connected with the limiting box.
[0009] Compared with the prior art, the present application has the following advantages: 1. The present application is efficient and convenient, the drilling progress can be accelerated through the cooperation of the drilling assembly and the vibration resisting assembly, and the drilling efficiency is higher; 2. The device is prevented from being stuck, the vibration and the differential loss prevention mechanism are matched to effectively prevent the device from being stuck, and the stuck state can be escaped through vibration when the drill bit is stuck; 3. The operation is simple, the drilling speed of the device is accelerated through the cooperation of various components, and the reverse return into the hole through the spiral conveying rod is avoided through the check assembly, thereby reducing the labor intensity of manual cleaning; 4. The service life is long, the reverse impact is avoided through the check assembly, and the service life of the drill bit is prolonged; 5. Resources are saved, various components are connected through a transmission mode, and multiple motors are avoided to waste resources. BRIEF DESCRIPTION OF DRAWINGS
[0010] Figure 1 It is a structural schematic view of an airport construction drilling device; Figure 2 It is an internal structural schematic view of an airport construction drilling device; Figure 3 It is a functional structural schematic view of an airport construction drilling device; Figure 4 It is a vertical lifting assembly structural schematic view of an airport construction drilling device; Figure 5 It is a check assembly structural schematic view of an airport construction drilling device; Figure 6 It is a differential loss prevention mechanism structural schematic view of an airport construction drilling device; Figure 7It is a kind of airport construction drilling device vibration assembly structure schematic view; Figure 8 It is a kind of airport construction drilling device drilling assembly structure schematic view; In the figure: 1, transport car; 2, positioning frame; 3, vertical lifting assembly; 4, limit box; 5, differential damage prevention mechanism; 6, check valve assembly; 7, drilling mechanism; 8, drilling assembly; 9, vibration assembly; 10, fixed screw; 11, lifting nut; 12, lifting retaining plate; 13, driving motor; 14, driving worm; 15, adjusting worm wheel; 16, transmission shaft; 17, limiting block; 18, rotating round block; 19, elastic resistance piece; 20, limit pawl; 21, clamping pawl; 22, driving rotating shaft; 23, driving bevel gear; 24, differential bevel gear; 25, constant rotating shaft; 26, uniform rotation bevel gear; 27, planetary bevel gear; 28, fixed frame; 29, output bevel gear; 30, output rotating shaft; 31, sliding solid block; 32, transmission gear section; 33, drilling gear; 34, connecting column; 35, spiral conveying rod; 36, punching drill bit; 37, coordinated driving ring; 38, position control block; 39, lifting rod; 40, knocking block; 41, spring; 42, blocking block. DETAILED DESCRIPTION
[0011] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.
[0012] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" and the like are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined with "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise stated, the meaning of "a plurality of" is two or more.
[0013] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0014] The present application will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
[0015] Example one: please refer to Figures 1-8 , including the transport car 1, the transport car 1 is fixedly connected with the positioning frame 2, the positioning frame 2 is provided with the vertical lifting assembly 3, the vertical lifting assembly 3 is fixedly connected with the limiting box 4 away from the positioning frame 2, the vertical lifting assembly 3 is drivingly connected with the differential protection mechanism 5, the vertical lifting assembly 3 and the differential protection mechanism 5 are drivingly connected with the check valve assembly 6 for preventing the differential protection mechanism 5 from rotating reversely, the differential protection mechanism 5 is installed inside the limiting box 4, the differential protection mechanism 5 is drivingly connected with the drilling mechanism 7, the drilling mechanism 7 includes the drilling assembly 8 drivingly connected with the differential protection mechanism 5, the drilling mechanism 7 further includes the vibration assembly 9 for assisting the drilling assembly 8 to drill and unstick.
[0016] The vertical lifting assembly 3 includes the fixed screw rod 10 fixedly connected on the positioning frame 2, the lifting screw sleeve 11 threadedly connected on the fixed screw rod 10, the lifting fixing plate 12 rotatably connected on the lifting screw sleeve 11, one end of the lifting fixing plate 12 fixedly connected with the limiting box 4, the driving motor 13 fixedly connected on the lifting fixing plate 12, the output end of the driving motor 13 coaxially fixedly connected with the driving worm 14, the driving worm 14 rotatably connected with the lifting fixing plate 12, the driving worm 14 meshed with the adjusting worm gear 15, the transmission shaft 16 fixedly connected on the adjusting worm gear 15, the limiting block 17 rotatably connected on both sides of the transmission shaft 16, the limiting block 17 fixedly connected with the lifting fixing plate 12, the transmission shaft 16 drivingly connected with the lifting screw sleeve 11 through the bevel gear set on both ends of the transmission shaft 16.
[0017] Firstly, the driving motor 13 is started to drive the driving worm 14 to rotate. The driving worm 14 is meshed with the adjusting worm gear 15 to drive the transmission shaft 16 to rotate. The transmission shaft 16 drives the lifting screw sleeve 11 to move up and down on the fixed screw rod 10 through the bevel gear set, so as to adjust the height of the limiting box 4, thereby adjusting the height of the drilling mechanism 7.
[0018] The check valve assembly 6 includes a rotating block 18 fixedly connected to the drive worm 14 away from the motor 13, a resilient abutting piece 19 fixedly connected to the rotating block 18, the resilient abutting piece 19 cooperating with a limiting pawl 20, the limiting pawl 20 being rotatably connected to the rotating block 18, the limiting pawl 20 being engaged with a clamping ratchet 21, the clamping ratchet 21 being fixedly connected to a driving shaft 22, the driving shaft 22 being rotatably connected to the rotating block 18 through a bearing, and the driving shaft 22 being rotatably connected to the lifting retaining plate 12.
[0019] The resilient abutting piece 19 abuts against the limiting pawl 20, the limiting pawl 20 is engaged with the clamping ratchet 21, and the driving shaft 22 is prevented from rotating in the reverse direction. The unidirectionality of power transmission during drilling is ensured, and damage to the equipment or failure of drilling caused by reverse rotation is prevented.
[0020] The differential damage prevention mechanism 5 includes a driving bevel gear 23 fixedly connected to the driving shaft 22 away from the check valve assembly 6, the driving bevel gear 23 being engaged with a differential bevel gear 24, the differential bevel gear 24 being fixedly connected to a constant shaft 25, the constant shaft 25 being rotatably connected to the limiting box 4, the constant shaft 25 being fixedly connected below the constant shaft 25 to a uniform rotation bevel gear 26, the uniform rotation bevel gear 26 being engaged with a planetary bevel gear 27, the planetary bevel gear 27 being rotatably connected to a fixed frame 28, the fixed frame 28 being fixedly connected to the differential bevel gear 24, the planetary bevel gear 27 being engaged with an output bevel gear 29 away from the uniform rotation bevel gear 26, the output bevel gear 29 being rotatably connected below the output bevel gear 29 to an output shaft 30, and the output shaft 30 being rotatably connected to the limiting box 4.
[0021] The driving shaft 22 drives the differential bevel gear 24 to rotate through the driving bevel gear 23, and the differential bevel gear 24 drives the constant shaft 25 to rotate. The constant shaft 25 rotates through the fixed frame 28 while being relatively stationary with the planetary bevel gear 27, drives the output bevel gear 29 to rotate, and in turn synchronously rotates the output shaft 30. If the drilling assembly 8 is stuck, the output shaft 30 is stopped from rotating through the rotation of the planetary bevel gear 27, while the constant shaft 25 and the driving shaft 22 normally rotate, preventing damage to the motor 13.
[0022] The vibration assembly 9 is fixedly connected to the constant shaft 25, and the vibration assembly 9 is provided with a sliding block 31 fixedly connected to the limiting box 4. The drilling assembly 8 is fixedly connected to the output shaft 30, and the drilling assembly 8 is rotatably connected to the limiting box 4.
[0023] The drilling assembly 8 comprises a transmission gear segment 32 fixedly connected to the output shaft 30, the transmission gear segment 32 is engaged with a drilling gear 33, the drilling gear 33 is fixedly connected with a connecting column 34, the connecting column 34 is rotationally connected with the limiting box 4, the connecting column 34 is fixedly connected with a spiral conveying rod 35 below through bolts, and the spiral conveying rod 35 is fixedly connected with a punching drill bit 36 at the bottom.
[0024] Then the transmission gear segment 32 drives the drilling gear 33 to rotate, and then drives the spiral conveying rod 35 and the punching drill bit 36 to rotate for drilling. The 38 ends are respectively located on both sides of the 37, the 37 rotates, and the 38 reciprocates along the 39 axis, the 39 is fixedly connected with the symmetrical 38 The vibration assembly 9 comprises a lifting rod 39, the lifting rod 39 is fixedly connected with symmetrical control position blocks 38, the control position blocks 38 ends are respectively located on both sides of the coordinated dial ring 37, the coordinated dial ring 37 is fixedly connected to the constant shaft 25, the coordinated dial ring 37 rotates, and the control position blocks 38 reciprocate along the lifting rod 39 axis, the lifting rod 39 is slidingly connected with the sliding block 31, the lifting rod 39 is fixedly connected with a knocking block 40 below, the knocking block 40 is matched with the drilling gear 33, the drilling gear 33 is abutted with a spring 41 below, the spring 41 is abutted with the limiting box 4 below, and the limiting box 4 is fixedly connected with a stop block 42 below.
[0025] The constant shaft 25 drives the coordinated dial ring 37 to rotate, the control position blocks 38 on the coordinated dial ring 37 push the lifting rod 39 to move up and down, and the lifting rod 39 drives the knocking block 40 to knock the drilling gear 33. The spring 41 provides elastic support, so that the knocking block 40 can repeatedly knock the drilling gear 33, the drilling assembly 8 is assisted to drill, the drilling efficiency is improved, and the punching drill bit 36 is prevented from being stuck.
[0026] The working principle of the present application is: First, the motor 13 is started to drive the drive worm 14 to rotate. The drive worm 14 is engaged with the drive worm gear 15 to drive the transmission shaft 16 to rotate. The transmission shaft 16 drives the lifting screw sleeve 11 to move up and down on the fixed screw rod 10 through the bevel gear set, so as to realize the lifting of the limiting box 4, thereby adjusting the height of the drilling mechanism 7. The elastic stop piece 19 is in abutment with the limiting pawl 20, the limiting pawl 20 is engaged with the clamping ratchet 21, and the driving shaft 22 is prevented from rotating in the reverse direction. The unidirectionality of power transmission during drilling is ensured, and damage to the equipment or failure of drilling caused by reverse rotation is prevented. The driving shaft 22 drives the differential bevel gear 24 to rotate through the driving bevel gear 23, and the differential bevel gear 24 drives the constant shaft 25 to rotate. The constant shaft 25 rotates through the fixed frame 28, and is relatively stationary with the planetary bevel gear 27, drives the output bevel gear 29 to rotate, and then synchronously drives the output shaft 30 to rotate. If the drilling assembly 8 is stuck, the planetary bevel gear 27 is rotated to stop the output shaft 30 from rotating, while the constant shaft 25 and the driving shaft 22 normally rotate, preventing damage to the motor 13. Then the drilling gear 33 is driven to rotate through the driving gear segment 32, and then the spiral conveying rod 35 and the drilling bit 36 are driven to rotate for drilling. The constant shaft 25 drives the coordinated driving ring 37 to rotate, the position control stop block 38 on the coordinated driving ring 37 pushes the lifting rod 39 to move up and down, and the lifting rod 39 drives the knocking block 40 to knock the drilling gear 33. The spring 41 provides elastic support, so that the knocking block 40 can repeatedly knock the drilling gear 33, assisting the drilling assembly 8 to drill, improving the drilling efficiency, and preventing the drilling bit 36 from being stuck.
[0027] It will be apparent to those skilled in the art that the application is not limited to the details of the above-described exemplary embodiments, and that the application can be implemented in other specific forms without departing from the spirit or essential characteristics of the application. Therefore, the embodiments should be considered in all respects as illustrative and not restrictive, and the scope of the application should be defined by the appended claims rather than the above description, and it is intended to include all changes falling within the meaning and range of equivalents of the elements of the claims. Any reference signs in the claims should not be considered as limiting the claims involved.
[0028] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.
Claims
1. An airport construction drilling device, comprising a transport vehicle (1), characterized in that, A positioning frame (2) is fixedly connected to the transport vehicle (1). A vertical lifting assembly (3) is provided on the positioning frame (2). A limit box (4) is fixedly connected to one end of the vertical lifting assembly (3) away from the positioning frame (2). A differential speed anti-damage mechanism (5) is driven to the vertical lifting assembly (3). A check component (6) for preventing the differential speed anti-damage mechanism (5) from rotating in the opposite direction is driven between the vertical lifting assembly (3) and the differential speed anti-damage mechanism (5). The differential speed anti-damage mechanism (5) is installed inside the limit box (4). A drilling mechanism (7) is driven to the differential speed anti-damage mechanism (5). The drilling mechanism (7) includes a drilling assembly (8) driven to the differential speed anti-damage mechanism (5). The drilling mechanism (7) also includes a vibration damping assembly (9) for assisting the drilling assembly (8) in drilling and unjamming.
2. The airport construction drilling device according to claim 1, characterized in that, The vertical lifting assembly (3) includes a fixed screw (10) fixedly connected to the positioning frame (2), a lifting sleeve (11) threadedly connected to the fixed screw (10), a lifting retaining plate (12) rotatably connected to the lifting sleeve (11), one end of the lifting retaining plate (12) fixedly connected to the limiting box (4), a transmission motor (13) fixedly connected to the lifting retaining plate (12), the output end of the transmission motor (13) coaxially fixedly connected to the drive worm (14), the drive worm (14) rotatably connected to the lifting retaining plate (12), the drive worm (14) meshing with the adjusting worm wheel (15), a transmission shaft (16) fixedly connected to the adjusting worm wheel (15), a limiting block (17) rotatably connected to both sides of the transmission shaft (16), the limiting block (17) fixedly connected to the lifting retaining plate (12), and both ends of the transmission shaft (16) being connected to the lifting sleeve (11) via a bevel gear set.
3. The airport construction drilling device according to claim 2, characterized in that, The check valve assembly (6) includes a rotating block (18), which is fixedly connected to the end of the drive worm gear (14) away from the transmission motor (13). An elastic abutment (19) is fixedly connected to the rotating block (18), which cooperates with a limiting pawl (20). The limiting pawl (20) is rotatably connected to the rotating block (18), and the limiting pawl (20) meshes with a locking ratchet (21). The locking ratchet (21) is fixedly connected to the transmission shaft (22), and the transmission shaft (22) and the rotating block (18) are rotatably connected through a bearing. The transmission shaft (22) is rotatably connected to the lifting and fixing plate (12).
4. The airport construction drilling device according to claim 3, characterized in that, The differential damage prevention mechanism (5) includes a drive bevel gear (23), which is fixedly connected to the end of the transmission shaft (22) away from the check assembly (6). The drive bevel gear (23) meshes with the differential bevel gear (24), which is fixedly connected to the constant shaft (25). The constant shaft (25) is rotatably connected to the limit box (4). A uniform bevel gear (26) is fixedly connected below the constant shaft (25). The uniform bevel gear (26) meshes with the planetary bevel gear (27). The planetary bevel gear (27) is rotatably connected to a fixed frame (28), which is fixedly connected to the differential bevel gear (24). The end of the planetary bevel gear (27) away from the uniform bevel gear (26) meshes with the output bevel gear (29). An output shaft (30) is rotatably connected below the output bevel gear (29), which is rotatably connected to the limit box (4).
5. The airport construction drilling device according to claim 4, characterized in that, The vibration damping component (9) is fixedly connected to the constant rotating shaft (25). A sliding block (31) is provided on the vibration damping component (9). The sliding block (31) is fixedly connected to the limiting box (4). The drilling component (8) is fixedly connected to the output rotating shaft (30). The drilling component (8) is rotatably connected to the limiting box (4).
6. The airport construction drilling apparatus according to claim 4 or 5, characterized in that, The drilling assembly (8) includes a transmission gear section (32) fixedly connected to the output shaft (30), the transmission gear section (32) meshing with the drilling gear (33), a connecting column (34) fixedly connected to the drilling gear (33), the connecting column (34) being rotatably connected to the limit box (4), and a spiral conveying rod (35) fixedly connected to the bottom of the connecting column (34) by bolts, and a drilling bit (36) fixedly connected to the bottom of the spiral conveying rod (35).
7. The airport construction drilling device according to claim 6, characterized in that, The vibration damping assembly (9) includes a lifting rod (39), on which symmetrically arranged control blocks (38) are fixedly connected. The ends of the control blocks (38) are located on both sides of the cooperating ring (37). The cooperating ring (37) is fixedly connected to the constant rotating shaft (25). When the cooperating ring (37) rotates, the control blocks (38) reciprocate along the axial direction of the lifting rod (39). The lifting rod (39) is slidably connected to the sliding block (31). A striking block (40) is fixedly connected below the lifting rod (39). The striking block (40) cooperates with the drilling gear (33). A spring (41) abuts below the drilling gear (33). The spring (41) abuts below the limiting box (4). A stop block (42) is fixedly connected below the limiting box (4).