Pipe fitting drilling device and method for ship construction
By setting a first locking component and a V-shaped wedge block with an elastic strap on the drill frame to clamp the steel pipe, the problem of insufficient stability in steel pipe drilling in existing devices is solved, and high-precision radial hole machining is achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- GUANGZHOU WENCHONG SHIPYARD CO LTD
- Filing Date
- 2026-03-03
- Publication Date
- 2026-05-12
AI Technical Summary
Existing fixed-distance moving steel pipe drilling devices for shipbuilding only clamp the steel pipe with fixing blocks at both ends of the fixed frame, which makes it difficult to suppress the dynamic deformation of the steel pipe drilling area. This leads to a decrease in the stability of the drill bit during the drilling process and affects the positional accuracy of the entire row of radial holes.
A first locking component is installed on the drill frame, and a first clamping plate is driven downward by a first driving component to fix the pipe near the drilling position. Combined with the V-shaped wedge block and elastic strap of the support structure, the steel pipe is clamped to suppress pipe wall vibration and deformation and improve the stability of the drill bit.
It effectively suppressed vibration and deformation during the drilling process of steel pipes, ensuring the positional accuracy and diameter consistency of the entire row of radial holes, and avoiding swaying and tool deflection.
Smart Images
Figure CN122007473A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of shipbuilding technology, and in particular to a drilling apparatus and method for pipe fittings used in shipbuilding. Background Technology
[0002] In shipbuilding and other fields, it is often necessary to machine a row of radial through holes along the same straight line on the process steel pipe. To facilitate drilling operations, patent application CN113976948A discloses a fixed-distance moving steel pipe drilling device for shipbuilding. The device includes a base, a drilling mechanism, a steel pipe fixing mechanism, and a storage frame. The base is C-shaped and hollow inside, and the drilling mechanism is set on the upper surface inside the base. During operation, the steel pipe is placed in the fixing frame, and the connecting seat is driven to move down by rotating the threaded rod. The connecting rod drives the fixing blocks on both sides to retract inward, thereby clamping and positioning the two ends of the steel pipe. Then, the drilling mechanism moves along the sliding groove to the top of the preset hole position to perform drilling.
[0003] Because steel pipes used in shipbuilding have large diameters and long lengths, when the drill bit drills into the middle area of the steel pipe, the cutting load can easily cause slight elastic vibrations and local deformations in the pipe wall. Since the device only clamps the steel pipe with fixing blocks at both ends of the fixing frame, it is difficult to suppress the vibration and deformation of the steel pipe in the drilling area. This leads to a decrease in the stability of the drill bit during the drilling process, which in turn affects the positional accuracy of the entire row of radial holes and makes it difficult to meet the technical requirements of shipbuilding. Summary of the Invention
[0004] The technical problem to be solved by the present invention is that the existing fixed-distance moving steel pipe drilling device for shipbuilding only clamps the steel pipe by fixing blocks at both ends of the fixed frame, which makes it difficult to suppress the dynamic deformation of the steel pipe drilling area, resulting in a decrease in the stability of the drill bit during the drilling process, and thus affecting the positional accuracy of the entire row of radial holes.
[0005] To solve the above-mentioned technical problems, the present invention provides a drilling device for pipe fittings used in shipbuilding, comprising: The base has horizontally extending guide rails and a support structure for fixing pipe fittings. The drill frame is slidably mounted on the guide rail, and the drill rig is mounted on the drill frame. The first locking component includes a first driving member, a first guide frame, and a first locking plate. The first guide frame is installed on the drill frame near the drill rig. The first guide frame is provided with a vertically extending first sliding groove. The first locking plate is slidably disposed in the first sliding groove. The first driving member is connected to the first locking plate. The first driving member is used to drive the first clamping plate to move downward to fix the pipe fitting, or to drive the first clamping plate to move upward to release the pipe fitting.
[0006] Preferably, the support structure includes at least one pair of V-shaped wedges, which are symmetrically arranged on the base with the axis of the pipe as a reference. Each V-shaped wedge is provided with a strap mounting part for installing an elastic strap.
[0007] Preferably, the support structure includes a second locking component; the second locking component includes a second driving member, a second guide frame, and a second locking plate, the second guide frame is slidably mounted on the guide rail, the second guide frame is provided with a vertically extending second slide groove, the second locking plate is slidably disposed in the second slide groove, and the second driving member is connected to the second locking plate; The second driving component is used to drive the second clamping plate downward to fix the pipe fitting, or to drive the second clamping plate upward to release the pipe fitting.
[0008] Preferably, the second locking assembly further includes a slide plate and a first C-shaped plate, the bottom of the slide plate is provided with a sliding groove that matches the guide rail, and the bottom of the second guide frame is connected to the slide plate; The opening of the first C-shaped plate faces the slide plate, the top wall of the first C-shaped plate is connected to the slide plate, and the bottom wall of the first C-shaped plate is provided with an upwardly extending first locking bolt, the top of the first locking bolt is used to abut against the base.
[0009] Preferably, both the first guide frame and the second guide frame are U-shaped guide frames, with the opening of the U-shaped guide frame facing downwards; The first guide frame has vertically extending first sliding grooves on its opposite side walls, and the two ends of the first card plate are slidably disposed in each of the first sliding grooves. The second guide frame has two vertically extending second sliding grooves on its opposite side walls, and the two ends of the second card plate are respectively slidably disposed in each of the second sliding grooves.
[0010] Preferably, both the first and second card plates are V-shaped plates.
[0011] Preferably, the drill frame includes a top frame, a sliding assembly, connecting bolts, and at least two vertically arranged angle steels; The sliding assembly is slidably mounted on the guide rail, the lower end of each angle steel is connected to the sliding assembly, and multiple height adjustment holes are vertically spaced along the upper side of each angle steel. The side wall of the top frame is provided with multiple connection holes in the circumferential direction; The connecting bolt passes through one of the height adjustment holes and connects to a connecting hole to secure the top frame at the desired height.
[0012] Preferably, a fixing baffle is provided on one side of the top of the top frame, and multiple positioning holes are provided on the top of the top frame; The drill frame also includes positioning bolts and at least one movable baffle, each movable baffle having a long, narrow positioning hole. The positioning bolt passes through the positioning elongated hole and connects to a positioning hole to lock the movable baffle in different positions; an installation space is formed between the fixed baffle and the movable baffle to accommodate and clamp the drilling rig.
[0013] Preferably, the sliding component includes: The U-shaped plate has its opening facing downwards, and multiple rollers that rotate inside the U-shaped plate are designed to cooperate with the guide rail. The second C-shaped plate has an opening facing the U-shaped plate, and the inner top of the second C-shaped plate is connected to the outer surface of the top plate of the U-shaped plate; the bottom of the second C-shaped plate is provided with an upwardly extending second locking bolt, the top of which is used to abut against the base.
[0014] The present invention also provides a method for drilling holes in pipe fittings for shipbuilding, employing the above-mentioned drilling apparatus for pipe fittings for shipbuilding, comprising: S1. Place the pipe fittings on the support structure of the base and fix them in place; S2. Move the drill frame to the target drilling position, operate the first drive unit to drive its first clamping plate to move downward and clamp the pipe near the drilling position; S3. Start the drilling rig to drill; S4. Operate the first driving component to drive its first clamping plate to move upward so that the first clamping plate disengages from the tube. S5. Repeat steps S2 to S4.
[0015] The preferred embodiment of the present invention provides a drilling device for pipe fittings used in shipbuilding, which, compared with the prior art, has the following advantages: The preferred embodiment of the pipe drilling device for shipbuilding of the present invention provides a first locking component on the drill frame, which enables the first clamping plate to move synchronously with the drill frame. Before the drill bit drills the pipe, the first driving component drives the first clamping plate to move downward, so that the first clamping plate fixes the pipe near the drilling position before drilling. This suppresses the vibration and deformation of the pipe wall caused by drilling, improves the stability of the drill bit during the drilling process, avoids wobble and tool deflection, and ensures the positional accuracy and diameter consistency of the entire row of radial holes. Attached Figure Description
[0016] Figure 1 This is an overall structural diagram of the drilling device for pipe fittings used in shipbuilding provided in a preferred embodiment of the present invention; Figure 2 This is a schematic diagram of the drilling device for pipe fittings in shipbuilding provided in a preferred embodiment of the present invention after drilling is completed; Figure 3 This is a schematic diagram of the base in the drilling device for pipe fittings in shipbuilding provided in a preferred embodiment of the present invention; Figure 4This is a schematic diagram of the slide rail and V-shaped wedge block on the base of the drilling device for pipe fittings in shipbuilding provided in a preferred embodiment of the present invention; Figure 5 This is a schematic diagram of the structure of a pipe fitting after drilling in a drilling device for pipe fittings used in shipbuilding provided in a preferred embodiment of the present invention; Figure 6 This is a schematic diagram of the elastic strap on the V-shaped wedge in the drilling device for pipe fittings in shipbuilding provided in a preferred embodiment of the present invention; Figure 7 This is a schematic diagram of the sliding component in the drilling device for pipe fittings used in shipbuilding provided in a preferred embodiment of the present invention; Figure 8 This is an exploded view of the drilling frame of the pipe drilling device for shipbuilding provided in a preferred embodiment of the present invention after removing the moving components; Figure 9 This is a schematic diagram of the structure of the first locking component in the drilling device for pipe fittings used in shipbuilding provided in a preferred embodiment of the present invention; Figure 10 This is a schematic diagram of the structure of the second locking component in the drilling device for pipe fittings used in shipbuilding provided in a preferred embodiment of the present invention; Figure 11 This is a schematic diagram of the drilling rig in the pipe drilling device for shipbuilding provided in a preferred embodiment of the present invention; Figure 12 This is an overall structural diagram of the drilling process of the drilling device for pipe fittings in shipbuilding provided in a preferred embodiment of the present invention.
[0017] In the diagram, 1. Base; 2. Guide rail; 3. Support structure; 31. V-shaped wedge; 311. Strap mounting part; 312. Elastic strap; 32. Second locking assembly; 321. Second driving component; 322. Second guide frame; 3221. Second slide groove; 323. Second clamping plate; 324. Slide plate; 325. First C-shaped plate; 326. First locking bolt; 4. Drill frame; 41. Top frame; 411. Connecting hole; 412. Positioning hole; 413. 42. Fixed baffle; 42. Sliding assembly; 421. U-shaped plate; 422. Roller; 423. Second C-shaped plate; 424. Second locking bolt; 43. Connecting bolt; 44. Angle steel; 441. Height adjustment hole; 45. Movable baffle; 451. Positioning elongated hole; 46. Positioning bolt; 5. Drilling rig; 6. First locking assembly; 61. First driving component; 62. First guide frame; 621. First slide groove; 63. First clamping plate; 100. Pipe fitting. Detailed Implementation
[0018] The specific embodiments of the present invention will be further described in detail below with reference to the accompanying drawings and preferred embodiments. The following preferred embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
[0019] In the description of this invention, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.
[0020] It should be understood that the terms "first," "second," etc., are used in this invention to describe various types of information, but these terms are not limited to them; they are only used to distinguish information of the same type from one another. For example, without departing from the scope of this invention, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information.
[0021] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.
[0022] like Figures 1 to 12 As shown, a preferred embodiment of the present invention provides a drilling device for pipe fittings used in shipbuilding, comprising: The base 1 has a horizontally extending guide rail 2 and a support structure 3 for fixing the pipe fitting 100. Drill frame 4 is slidably mounted on guide rail 2, and drill rig 5 is mounted on drill frame 4; The first locking component 6 includes a first driving member 61, a first guide frame 62 and a first locking plate 63. The first guide frame 62 is installed on the drill frame 4 near the drill rig 5. The first guide frame 62 is provided with a vertically extending first slide groove 621. The first locking plate 63 is slidably disposed in the first slide groove 621. The first driving member 61 is connected to the first locking plate 63. The first driving member 61 is used to drive the first clamping plate 63 to move downward to fix the pipe fitting 100, or to drive the first clamping plate 63 to move upward to release the pipe fitting 100.
[0023] By setting a first locking component 6 on the drill frame 4, the first clamping plate 63 can move synchronously with the drill frame 4. Before the drill bit drills the pipe 100, the first driving component 61 drives the first clamping plate 63 to move downward, so that the first clamping plate 63 fixes the pipe 100 near the drilling position before drilling. This suppresses the vibration and deformation of the pipe wall of the pipe 100 caused by drilling, improves the stability of the drill bit drilling process, avoids wobble and tool deflection, and ensures the positional accuracy and diameter consistency of the entire row of radial holes.
[0024] Specifically, such as Figure 4 and Figure 6 As shown, the support structure 3 includes at least one pair of V-shaped wedges 31. The two V-shaped wedges 31 are symmetrically arranged on the base 1 with the axis of the pipe 100 as the reference. Each V-shaped wedge 31 is provided with a strap mounting part 311 for installing an elastic strap 312.
[0025] The symmetrically arranged pairs of V-shaped wedges 31 can center and position marine process pipes 100 of different diameters, ensuring that the axis of the pipe 100 is precisely aligned with the drilling trajectory. At the same time, elastic straps 312 are installed on the V-shaped wedges 31 at both ends of the pipe 100 to flexibly clamp the pipe 100. This can accommodate various pipe diameters and avoid rigid crushing, while effectively restraining the overall displacement and axial movement of the pipe 100 along its entire length. The absence of straps in the middle area leaves operating space for the normal drilling of the drill rig 5. Combined with the first locking component 6 on the drill frame 4, the pipe 100 is fixed near the drilling position before drilling, suppressing the vibration and deformation of the pipe wall caused by drilling, and ensuring the positional accuracy and diameter consistency of the entire row of radial holes.
[0026] Specifically, such as Figure 10 As shown, the support structure 3 includes a second locking component 32; the second locking component 32 includes a second driving member 321, a second guide frame 322, and a second locking plate 323. The second guide frame 322 is slidably mounted on the guide rail 2. The second guide frame 322 is provided with a vertically extending second slide groove 3221. The second locking plate 323 is slidably disposed in the second slide groove 3221. The second driving member 321 is connected to the second locking plate 323. The second driving member 321 is used to drive the second clamping plate 323 to move downward to fix the pipe fitting 100, or to drive the second clamping plate 323 to move upward to release the pipe fitting 100.
[0027] The second guide frame 322 is slidably mounted on the guide rail 2, so that it can be mounted on the end of the pipe fitting 100 and work together with the elastic strap 312 on the V-shaped wedge block 31 to fix the pipe fitting 100, thereby improving the stability of the pipe fitting 100 during drilling operations.
[0028] Specifically, such as Figure 10As shown, the second locking assembly 32 also includes a slide plate 324 and a first C-shaped plate 325. The bottom of the slide plate 324 is provided with a sliding groove that matches the guide rail 2, and the bottom of the second guide frame 322 is connected to the slide plate 324. The opening of the first C-shaped plate 325 faces the slide plate 324. The top wall of the first C-shaped plate 325 is connected to the slide plate 324. The bottom wall of the first C-shaped plate 325 is provided with an upwardly extending first locking bolt 326. The top of the first locking bolt 326 is used to abut against the base 1.
[0029] By setting the first C-shaped plate 325 and screwing the first locking bolt 326 to release its top end from the base 1, its fixed position can be flexibly adjusted according to the length of the pipe 100. When the first locking bolt 326 abuts against the base 1, the position of the locking slide plate 324 on the slide rail can be adjusted.
[0030] Specifically, such as Figure 9 and Figure 10 As shown, both the first guide frame 62 and the second guide frame 322 are U-shaped guide frames, with the opening of the U-shaped guide frame facing downwards; The first guide frame 62 has vertically extending first slide grooves 621 on both opposite side walls, and the two ends of the first card plate 63 are respectively slidably disposed in each of the first slide grooves 621. The second guide frame 322 has two vertically extending second slide grooves 3221 on its opposite side walls, and the two ends of the second card plate 323 are respectively slidably disposed in each of the second slide grooves 3221.
[0031] The U-shaped guide frame, combined with the design of double-sided sliding grooves, provides symmetrical guidance and support for the lifting and lowering movement of the first clamping plate 63 and the second clamping plate 323, ensuring that the first clamping plate 63 and the second clamping plate 323 run stably along the vertical trajectory, thereby improving the reliability of the clamping action.
[0032] Specifically, such as Figure 9 and Figure 10 As shown, both the first clamping plate 63 and the second clamping plate 323 are V-shaped plates. The inclined clamping surfaces on both sides of the V-shaped plate can be adapted to fit the outer wall of the pipe fitting 100 of different diameters. When clamping the pipe fitting 100, a stable line contact is formed, which can effectively increase the clamping pressure and prevent the pipe fitting 100 from sliding or rotating when subjected to drilling force, thereby improving the rigidity and reliability of clamping.
[0033] Specifically, the first driving component 61 and the second driving component 321 are both driving bolts. The top of the first guide frame 62 and the second guide frame 322 are provided with threaded mounting through holes. Each driving bolt is respectively installed in the threaded mounting through hole. Each driving bolt is provided with a handwheel on its top and the bottom of each driving bolt is respectively connected to each V-shaped plate.
[0034] The lifting and lowering operation of the first clamping plate 63 and the second clamping plate 323 is achieved by using a screw drive mechanism consisting of a drive bolt, a top handwheel, and a threaded through hole on the guide frame. This allows for fine-tuning of the clamping force according to the pipe diameter and clamping requirements. Furthermore, the inherent self-locking characteristic of the screw drive mechanism ensures that the clamping plate can be stably maintained in the set position under the action of external forces such as drilling vibration, effectively preventing loosening of the clamping. This provides continuous and reliable rigid locking for the pipe fitting 100, greatly enhancing the stability and safety of the drilling process.
[0035] Specifically, such as Figure 7 and Figure 8 As shown, the drill frame 4 includes a top frame 41, a sliding assembly 42, connecting bolts 43, and at least two vertically arranged angle steels 44; The sliding component 42 is slidably mounted on the guide rail 2. The lower ends of each angle steel 44 are connected to the sliding component 42, and multiple height adjustment holes 441 are vertically spaced along the upper side of each angle steel 44. The side wall of the top frame 41 is provided with multiple connection holes 411 in the circumferential direction; The connecting bolt 43 passes through one of the height adjustment holes 441 and connects to a connecting hole 411 to fix the top frame 41 at the desired height.
[0036] Multiple height adjustment holes 441 vertically spaced on the angle steel 44 cooperate with the connecting holes 411 distributed circumferentially on the side wall of the top frame 41 and are fixed by connecting bolts 43. The drilling machine 5 can be adjusted to a suitable working height according to the different diameters of the pipe fittings 100 to be processed.
[0037] Specifically, four angle steels 44 are provided, and the four side walls of the top frame 41 are provided with connection holes 411 to ensure the stability of the drilling rig 5 during operation.
[0038] Specifically, the base 1 is provided with two parallel and spaced guide rails 2, and two sliding components 42 are provided. Each sliding component 42 is slidably mounted on one guide rail 2. The bottom of the two angle steels 44 is connected to the top of one of the sliding components 42, and the bottom of the other two angle steels 44 is connected to the top of the other sliding component 42.
[0039] Specifically, such as Figure 8 As shown, a fixing baffle 413 is provided on one side of the top of the top frame 41, and multiple positioning holes 412 are provided on the top of the top frame 41. The drill frame 4 also includes a positioning bolt 46 and at least one movable baffle 45, each movable baffle 45 having a long positioning hole 451. The positioning bolt 46 passes through the positioning elongated hole 451 and is connected to a positioning hole 412 to lock the movable baffle 45 in different positions; the fixed baffle 413 and the movable baffle 45 form an installation space for accommodating and clamping the drill 5.
[0040] A fixed movable baffle 45 is installed on the top of the top frame 41. After loosening the positioning bolts 46 and sliding the movable baffle 45 to the appropriate position, it is re-locked to accommodate drilling machines 5 of different sizes and models, thereby achieving stable clamping of the drilling machine 5 and effectively preventing displacement or loosening of the drilling machine 5 due to vibration during the drilling process.
[0041] Specifically, there are three movable baffles 45; with the side where the fixed baffle 413 is located as the reference, one movable baffle 45 is located on its opposite side, and the other two movable baffles 45 are located on its two adjacent sides respectively; the three movable baffles 45 together with the fixed baffle 413 form a closed installation space, which can effectively limit the displacement of the drilling rig 5 in the horizontal plane and enhance the reliability of clamping the drilling rig 5.
[0042] Specifically, such as Figure 7 As shown, the sliding component 42 includes: The U-shaped plate 421 has an opening facing downwards, and multiple rollers 422 that rotatably cooperate with the guide rail 2 are arranged inside the U-shaped plate 421. The second C-shaped plate 423 has an opening facing the U-shaped plate 421. The inner top of the second C-shaped plate 423 is connected to the outer surface of the top plate of the U-shaped plate 421. The bottom of the second C-shaped plate 423 is provided with an upwardly extending second locking bolt 424, the top of which is used to abut against the base 1.
[0043] The U-shaped plate 421 and the internal rollers 422 ensure the smooth movement of the drill frame 4 along the guide rail 2. The second C-shaped plate 423 is provided, and the second locking bolt 424 is turned so that its top end is released from contact with the base 1. The fixed position of the drill frame 4 can be flexibly adjusted according to the drilling requirements. When the second locking bolt 424 abuts against the base 1, it can lock the position of the U-shaped plate 421 on the slide rail, ensuring the stability of the drilling operation.
[0044] Specifically, between the two side walls of the U-shaped plate 421, multiple mounting shafts are fixedly arranged at intervals along the length direction, and each roller 422 is rotatably sleeved on each mounting shaft.
[0045] A preferred embodiment of the present invention also provides a method of using the above-mentioned drilling device for pipe fittings in shipbuilding, comprising: S1. Place the pipe fitting 100 on the support structure 3 of the base 1 and fix it. S2. Move the drill frame 4 to the target drilling position, operate the first drive unit 61, drive its first clamping plate 63 to move downward, and clamp the pipe 100 near the drilling position. S3. Start drilling rig 5 to drill; S4. Operate the first driving component 61 to drive its first clamping plate 63 to move upward so that the first clamping plate 63 is disengaged from the tube 100. S5. Repeat steps S2 to S4.
[0046] Specifically, the usage methods of the drilling equipment for pipe fittings in shipbuilding also include: S0. According to the diameter of the pipe fitting 100, select a suitable height adjustment hole 441, use connecting bolts 43 to connect the top frame 41 to the angle steel 44, and adjust the top frame 41 to a suitable height; according to the size of the drilling rig 5 used, move each movable baffle 45 to a suitable position, use positioning bolts 46 to pass through the positioning elongated hole 451 on the movable baffle 45 and connect it to the positioning hole 412 on the top frame 41, lock the movable baffle 45, so that the drilling rig 5 is firmly clamped in the installation space formed by the fixed baffle 413 and the movable baffle 45; install the drilling rig 5 on the top frame 41 and connect the power supply.
[0047] Specifically, in S1, "setting and fixing the pipe fitting 100 on the support structure 3 of the base 1" includes: S101. Hoist the pipe fitting 100 and place it on the V-shaped wedges 31 symmetrically arranged on the base 1; S102. Pass the elastic strap 312 through the strap mounting part 311 on each of the V-shaped wedges 31 located at both ends of the pipe fitting 100, and use a tightener to tie and fix the pipe fitting 100. S103. According to the length of the pipe fitting 100, move the second locking component 32 to the end of the pipe fitting 100 or the position where additional support is needed, rotate the handwheel of the second locking component 32, drive the second clamping plate 323 to move downward until its V-shaped clamping surface is tightly attached to the outer wall of the pipe fitting 100, and assist in fixing the pipe fitting 100. S104. Operate the first locking bolt 326 of the second locking component 32 so that its top end abuts against the lower surface of the base 1, thereby locking the second locking component 32 onto the guide rail 2.
[0048] Specifically, in S2, "moving the drill frame 4 to the target drilling position, operating the first drive unit 61 to drive its first clamping plate 63 to move downwards, and clamping the pipe 100 near the drilling position" specifically includes: S201. Operate the second locking bolt 424 of the sliding component 42 to disengage its top end from the lower surface of the base 1, thereby unlocking the drill frame 4. S202, Push the drill frame 4 to slide along the guide rail 2 to the target drilling position; S203. Operate the second locking bolt 424 of the sliding assembly 42 so that its top end abuts against the lower surface of the base 1, locking the drill frame 4 in the current position; S204. Rotate the handwheel of the first locking component 6 to drive the first clamping plate 63 to move downward until its V-shaped clamping surface is tightly attached to the outer wall of the pipe fitting 100, and achieve rigid locking at the drilling position. Specifically, in S3, "start drilling rig 5 to drill" includes: S301. Start drilling machine 5, control the drill bit to move downwards, and complete the drilling of the hole; S302. After drilling is completed, remove the drill bit and turn off the drilling machine 5.
[0049] Specifically, in S4, "operating the first driving member 61 to drive its first clamping plate 63 to move upward so that the first clamping plate 63 disengages from the tube 100" specifically includes: Rotate the handwheel of the first locking component 6 in the opposite direction to drive the first locking plate 63 to move upward, so that it is disengaged from the pipe fitting 100.
[0050] In summary, the preferred embodiment of the present invention provides a drilling device for pipe fittings in shipbuilding and a method for using the same. The drilling device for pipe fittings in shipbuilding of the preferred embodiment of the present invention provides a first locking component on the drill frame, which enables the first clamping plate to move synchronously with the drill frame. Before the drill bit drills the pipe fitting, the first driving component drives the first clamping plate to move downward, so that the first clamping plate fixes the pipe fitting near the drilling position before drilling. This suppresses the vibration and deformation of the pipe wall caused by drilling, improves the stability of the drill bit during the drilling process, avoids wobble and tool deflection, and ensures the positional accuracy and diameter consistency of the entire row of radial holes.
[0051] The above description is only a preferred embodiment of the present invention. It should be noted that for those skilled in the art, several improvements and substitutions can be made without departing from the technical principles of the present invention, and these improvements and substitutions should also be considered within the scope of protection of the present invention.
Claims
1. A drilling device for pipe fittings used in shipbuilding, characterized in that, include: The base (1) is provided with a horizontally extending guide rail (2) and a support structure (3) for fixing the pipe fitting (100). The drill frame (4) is slidably mounted on the guide rail (2), and the drill frame (4) is equipped with a drill (5). The first locking component (6) includes a first driving member (61), a first guide frame (62) and a first locking plate (63). The first guide frame (62) is installed on the drill frame (4) near the drill rig (5). The first guide frame (62) is provided with a vertically extending first slide groove (621). The first locking plate (63) is slidably disposed in the first slide groove (621). The first driving member (61) is connected to the first locking plate (63). The first driving member (61) is used to drive the first clamping plate (63) to move downward to fix the pipe (100), or to drive the first clamping plate (63) to move upward to release the pipe (100).
2. The drilling device for pipe fittings in shipbuilding according to claim 1, characterized in that, The support structure (3) includes at least one pair of V-shaped wedges (31). The two V-shaped wedges (31) are symmetrically arranged on the base (1) with the axis of the pipe (100) as a reference. Each V-shaped wedge (31) is provided with a strap installation part (311) for installing an elastic strap (312).
3. The drilling device for pipe fittings used in shipbuilding according to claim 1, characterized in that, The support structure (3) includes a second locking component (32); the second locking component (32) includes a second driving member (321), a second guide frame (322) and a second locking plate (323), the second guide frame (322) is slidably mounted on the guide rail (2), the second guide frame (322) is provided with a vertically extending second slide groove (3221), the second locking plate (323) is slidably disposed in the second slide groove (3221), and the second driving member (321) is connected to the second locking plate (323); The second drive member (321) is used to drive the second clamping plate (323) to move downward to fix the pipe fitting (100), or to drive the second clamping plate (323) to move upward to release the pipe fitting (100).
4. The drilling apparatus for pipe fittings used in shipbuilding according to claim 3, characterized in that, The second locking component (32) further includes a sliding plate (324) and a first C-shaped plate (325). The bottom of the sliding plate (324) is provided with a sliding groove that matches the guide rail (2). The bottom of the second guide frame (322) is connected to the sliding plate (324). The opening of the first C-shaped plate (325) faces the slide plate (324), the top wall of the first C-shaped plate (325) is connected to the slide plate (324), and the bottom wall of the first C-shaped plate (325) is provided with an upwardly extending first locking bolt (326), the top of the first locking bolt (326) is used to abut against the base (1).
5. The drilling apparatus for pipe fittings used in shipbuilding according to claim 3, characterized in that, Both the first guide frame (62) and the second guide frame (322) are U-shaped guide frames, with the opening of the U-shaped guide frame facing downwards; The first guide frame (62) has vertically extending first slide grooves (621) on its opposite side walls, and the two ends of the first card plate (63) are respectively slidably disposed in each of the first slide grooves (621); The second guide frame (322) has two vertically extending second slide grooves (3221) on its opposite side walls, and the two ends of the second card plate (323) are respectively slidably disposed in each of the second slide grooves (3221).
6. The drilling apparatus for pipe fittings used in shipbuilding according to claim 5, characterized in that, Both the first card plate (63) and the second card plate (323) are V-shaped plates.
7. The drilling apparatus for pipe fittings used in shipbuilding according to claim 1, characterized in that, The drill frame (4) includes a top frame (41), a sliding assembly (42), connecting bolts (43), and at least two vertically arranged angle steels (44). The sliding assembly (42) is slidably disposed on the guide rail (2), the lower end of each angle steel (44) is connected to the sliding assembly (42), and multiple height adjustment holes (441) are vertically spaced on the side of each angle steel (44). The top frame (41) has multiple connecting holes (411) circumferentially arranged on the side wall. The connecting bolt (43) passes through one of the height adjustment holes (441) and connects to one of the connecting holes (411) to fix the top frame (41) at the desired height.
8. The drilling apparatus for pipe fittings used in shipbuilding according to claim 7, characterized in that, The top of the top frame (41) is provided with a fixed baffle (413) on one side, and the top of the top frame (41) is provided with multiple positioning holes (412). The drill frame (4) also includes a positioning bolt (46) and at least one movable baffle (45), and each movable baffle (45) is provided with an elongated positioning hole (451). The positioning bolt (46) passes through the positioning elongated hole (451) and connects to one of the positioning holes (412) to lock the movable baffle (45) in different positions; an installation space is formed between the fixed baffle (413) and the movable baffle (45) for accommodating and clamping the drilling rig (5).
9. The drilling apparatus for pipe fittings used in shipbuilding according to claim 7, characterized in that, The sliding component (42) includes: The U-shaped plate (421) is set with its opening facing downwards, and multiple rollers (422) that cooperate with the guide rail (2) are rotatably arranged inside the U-shaped plate (421). The second C-shaped plate (423) has an opening facing the U-shaped plate (421). The inner top of the second C-shaped plate (423) is connected to the outer surface of the top plate of the U-shaped plate (421). The bottom of the second C-shaped plate (423) is provided with an upwardly extending second locking bolt (424), the top of which is used to abut against the base (1).
10. A method for drilling holes in pipe fittings for shipbuilding, using the drilling apparatus for pipe fittings for shipbuilding as described in any one of claims 1-9, characterized in that, include: S1. Place the pipe fitting (100) on the support structure (3) of the base (1) and fix it; S2. Move the drill frame (4) to the target drilling position, operate the first drive unit (61) to drive its first clamping plate (63) to move downward and clamp the pipe (100) near the drilling position. S3. Start the drilling rig (5) to drill; S4. Operate the first driving component (61) to drive its first clamping plate (63) to move upward so that the first clamping plate (63) disengages from the tube (100); S5. Repeat steps S2 to S4.