CN114589673B - Marking gauge and rudder propeller flange base processing method - Google Patents

Marking gauge and rudder propeller flange base processing method Download PDF

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Publication number
CN114589673B
CN114589673B CN202210350451.2A CN202210350451A CN114589673B CN 114589673 B CN114589673 B CN 114589673B CN 202210350451 A CN202210350451 A CN 202210350451A CN 114589673 B CN114589673 B CN 114589673B
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China
Prior art keywords
groove
flange base
central shaft
scriber
sliding
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CN202210350451.2A
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CN114589673A (en
Inventor
余治宏
高登
张天鑫
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Guangzhou Shipyard International Co Ltd
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Guangzhou Shipyard International Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
    • B25H7/00—Marking-out or setting-out work
    • B25H7/04—Devices, e.g. scribers, for marking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling And Boring (AREA)

Abstract

The invention belongs to the technical field of ships and discloses a scribing compass and a processing method of a rudder propeller flange base, wherein the scribing compass comprises a central shaft, a support, a first scribing assembly and a second scribing assembly, the support is provided with an inserting groove, the first scribing assembly comprises a first arm rod, a first scriber and a first elastic piece, the first arm rod is provided with a first connecting groove for sliding and stretching of the first scriber, the first elastic piece is arranged between the first scriber and the first connecting groove, the second scribing assembly comprises a second arm rod, a connecting rod, a guide sleeve, a second scriber and a second elastic piece, the second arm rod is connected with the guide sleeve through the connecting rod, the guide sleeve is provided with a sliding groove for sliding the second scriber, the second elastic piece is arranged between the second scriber and the sliding groove, and the inserting groove can be selectively inserted with the first arm rod or the second arm rod; the marking gauge is applied to the processing method of the rudder propeller flange base. The marking gauge provided by the invention can continuously mark the inclined flange processing surface with high quality, so that the marking effect is ensured.

Description

Marking gauge and rudder propeller flange base processing method
Technical Field
The invention relates to the technical field of ships, in particular to a marking gauge and a processing method of a rudder propeller flange base.
Background
In the field of ship manufacturing, before a rudder propeller device is installed, a flange base to be machined is installed on a ship body at a corresponding position, the rudder propeller device is installed with the ship body through the flange base, and in the process of machining the flange base, a machining line is required to be drawn along the axial direction of the flange base at the upper end face, the inner side wall and the like of the flange base, so that a machining machine tool can cut, open, and the like, the flange base can be machined to a usable state by taking the drawn lines as references.
In a real situation, the vertical shaft center line of the rudder propeller device of the ship is inclined by 4 degrees+/-0.1 degrees outwards relative to the horizontal plane on the transverse section of the ship, the paddles are inclined by 2 degrees+/-0.1 degrees outwards relative to the horizontal plane on the longitudinal section, and the arrangement of the ship body requires that the power input axis and the rudder propeller device are arranged in parallel, so that the upper end surface and the inner side wall of the rudder propeller device are required to meet certain inclination requirements when the flange base is processed, and the position precision of the rudder propeller device can be ensured when the rudder propeller device is installed.
When the flange base is processed, the processing processes of cutting, perforating and the like are involved, therefore, the upper end face and the waiting processing face of the inner side wall of the flange base are provided with certain processing allowance, the upper end face of the unprocessed flange base is inclined relative to the power input axis, the inner side wall of the unprocessed flange base is inclined relative to the center line of the vertical shaft, when the conventional scribing gauge is used for scribing the flange base, even if the rotating shaft of the scribing gauge is parallel to the center line of the vertical shaft, the scribing operation face of the scribing gauge within the range of 360 degrees is deviated from the upper end face and the inner side wall of the flange base, so that when the conventional scribing gauge rotationally scribes the upper end face and the inner side wall of the flange base, a processing line meeting the precision requirement cannot be scribed, and the processing quality of the subsequent flange base can be influenced.
Disclosure of Invention
The invention aims to provide a marking gauge and a processing method of a rudder propeller flange base, which are used for solving the problem that in the prior art, the marking effect is poor when the marking gauge marks an inclined processing surface of the flange base.
To achieve the purpose, the invention adopts the following technical scheme:
a marking gauge, comprising:
a central shaft;
the support is lifted on the central shaft in a sliding manner and can rotate around the central shaft, and a plugging groove is formed in the support along the vertical direction of the central shaft;
the first scribing assembly comprises a first arm rod, a first scriber and a first elastic piece, wherein a first connecting groove is formed in the first end of the first arm rod, the first scriber is positioned in the first connecting groove and stretches out and draws back in the first connecting groove in a sliding mode, the tip end of the first scriber stretches out of the first connecting groove, and the first elastic piece is arranged between the first scriber and the groove bottom of the first connecting groove;
the second scribing assembly comprises a second arm rod, a connecting rod, a guide sleeve, a second scriber and a second elastic piece, wherein the first end of the second arm rod is connected with the guide sleeve through the connecting rod, a sliding groove which is arranged at an angle with the second arm rod is formed in the guide sleeve, the second scriber part is positioned in the sliding groove and slides and stretches out and draws back in the sliding groove, the tip end of the second scriber stretches out of the sliding groove, and the second elastic piece is arranged between the second scriber and the groove bottom of the sliding groove;
the insertion groove can be selectively inserted into the second end of the first arm rod or the second end of the second arm rod.
Optionally, the center pin both ends are provided with the fixed plate, the fixed plate has seted up the fixed orifices, the center pin wears to establish the fixed orifices and sliding connection in the fixed orifices.
Optionally, the support include rotation part and set up in rotation part tip's connecting portion, rotation hole has been seted up to rotation part, rotation part passes through rotation hole cover locate the center pin and slide lift in the center pin, just rotation hole rotate connect in the center pin, set up on the connecting portion the jack-in groove.
Optionally, the rotating portion is welded with the connecting portion.
Optionally, the method further comprises:
the first fixing support seat can fix the lifting height of the support seat in the axial direction of the central shaft;
the second fixing support seat can fix the lifting height of the fixing plate in the axial direction of the central shaft.
Optionally, the first scribing component includes first joint, the first scriber include first slide axle and set up in the first syringe needle of first slide axle tip, first slide axle is located in the first spread groove and slide stretch out and draw back in the first spread groove, first joint has seted up first spread groove, first through-hole has been seted up to the tank bottom in first spread groove, the first end of first armed lever with first spread groove is connected, first syringe needle part wears out first through-hole, the aperture of first through-hole is less than the diameter of axle of first slide axle.
Optionally, an inner peripheral wall of the first connecting groove is provided with an internal thread, and an outer peripheral wall of the first end of the first arm rod is correspondingly provided with an external thread in matched connection with the internal thread.
Optionally, the second scribing component comprises a second joint, the second scriber comprises a second sliding shaft and a second needle head arranged at the end part of the second sliding shaft, the second sliding shaft is positioned in the sliding groove and slides and stretches out and draws back in the sliding groove, a second connecting groove is formed in the second joint, a second through hole is formed in the groove bottom of the second connecting groove, one end of the sliding groove is connected with the second connecting groove through the guide sleeve, the second needle head part penetrates out of the second through hole, and the aperture of the second through hole is smaller than the shaft diameter of the second sliding shaft
Optionally, an inner peripheral wall of the second connecting groove is provided with an internal thread, and an outer peripheral wall of one end of the guide sleeve provided with the sliding groove is correspondingly provided with an external thread in matched connection with the internal thread.
The processing method of the rudder propeller flange base, which is applied to the marking gauge described in any one of the above, mainly comprises the following steps:
s100, arranging a positioning seat on a ship body provided with a flange base, and arranging a positioning hole on the positioning seat along the direction perpendicular to the power input axis by taking the central point of the axis of the flange base as a datum point;
s200, penetrating the central shaft of the marking gauge into the positioning hole and fixing the central shaft with the positioning hole;
s300, mounting the first arm rod to the inserting groove, adjusting the height of the support on the central shaft, and then controlling the support to rotate relative to the central shaft so that the first scriber can scribe lines on the inner side wall of the flange base;
s400, cutting the flange base by using a machine tool along the direction parallel to the power input axis by taking the inner side wall scribing line of the flange base as a reference;
s500, detaching the first arm rod from the inserting groove, mounting the second arm rod to the inserting groove, adjusting the height of the support on the central shaft, and then controlling the support to rotate relative to the central shaft so that the second scriber can scribe lines on the upper end face of the flange base;
and S600, cutting or perforating the flange base along the direction perpendicular to the power input axis by using the machine tool by taking the upper end surface scribing line of the flange base as a reference.
The beneficial effects are that:
according to the marking gauge provided by the invention, the inserting groove is arranged to be selectively inserted into the second end of the first arm rod or the second end of the second arm rod, so that the support can be selectively connected with the first marking assembly or the second marking assembly according to the requirement, when the support is used for marking the rudder propeller flange base processing surface, when the support is connected with the first marking assembly, the inserting groove is inserted into the second end of the first arm rod, the first arm rod is rotated, so that the first marking needle can continuously mark the inner side wall of the flange base by taking the central shaft as the center of a circle, and by arranging the first elastic piece between the first marking needle and the groove bottom of the first connecting groove, when the inner side wall of the flange base is inclined inwards relative to the axis of the first elastic piece so that the inner side wall of the flange base is reduced relative to the axis of the first connecting groove, the first marking needle can slide inwards relative to the first elastic piece under the extrusion action of the inner side wall of the flange base so that the inner side wall of the flange base is increased relative to the axis of the first elastic piece, and the first elastic piece can keep the first marking needle to be contacted with the inner side wall of the flange base at good contact moment under the action; when the support is connected with the second scribing assembly, the inserting groove is inserted into the second end of the second arm rod, due to the fact that the sliding groove on the guide sleeve is arranged at an angle with the second arm rod, when the second arm rod is rotated, the second scriber can continuously scribe the upper end face of the flange base by taking the central shaft as the circle center, and through the fact that the second elastic piece is arranged between the second scriber and the groove bottom of the sliding groove, when the upper end face of the flange base is inclined outwards, the distance between the upper end face of the flange base and the guide sleeve is reduced, the second scriber can slide inwards relative to the sliding groove under the extrusion action of the upper end face of the flange base and compress the second elastic piece, when the distance between the upper end face of the flange base and the guide sleeve is increased due to the fact that the upper end face of the flange base is inclined inwards, the second elastic piece can slide outwards relative to the sliding groove under the action of elastic force, so that the second scriber can be in contact with the upper end face of the flange base at any time, the upper end face of the flange base can be kept in good contact all the time, and a series of good scribing errors are avoided, and subsequent scribing effects of the flange base are also formed.
Drawings
FIG. 1 is a schematic view of a marking gauge of the present invention with a first marking assembly mounted thereon;
FIG. 2 is a schematic view of a marking gauge of the present invention with a second marking assembly mounted thereon;
FIG. 3 is an enlarged schematic view of a portion of the present invention at A in FIG. 1;
FIG. 4 is an enlarged schematic view of a portion of the present invention at B in FIG. 2;
FIG. 5 is a schematic cross-sectional view of the mount of the present invention;
FIG. 6 is a schematic view of the structure of the first fixing stay of the present invention;
FIG. 7 is a schematic view of the present invention for mounting a marking gauge having a first marking assembly mounted thereto;
FIG. 8 is a schematic view of the present invention for mounting a marking gauge with a second marking assembly mounted to a hull;
FIG. 9 is an enlarged partial schematic view of the present invention at C in FIG. 7;
FIG. 10 is a partially enlarged schematic illustration of the present invention at D in FIG. 8;
FIG. 11 is a flow chart of a method of machining a rudder propeller flange mount according to the present invention.
In the figure:
100. a central shaft; 110. a fixing plate; 111. a fixing hole; 120. a first fixed support seat; 121. a second fastening hole; 130. a second fixed support seat;
200. a support; 201. a plug-in groove; 210. a rotating part; 211. a rotation hole; 220. a connection part; 221. a first fastening hole;
300. a first scribing assembly; 310. a first arm; 311. a first connection groove; 320. a first scriber; 321. a first slide shaft; 322. a first needle; 330. a first elastic member; 340. a first joint; 341. a first receiving groove; 342. a first through hole;
400. a second scribing assembly; 410. a second arm; 411. a second connecting groove; 420. a connecting rod; 430. guide sleeve; 431. a sliding groove; 440. a second scriber; 441. a second slide shaft; 442. a second needle; 450. a second elastic member; 460. a second joint; 461. a second receiving groove; 462. a second through hole;
500. a flange base;
600. a hull; 610. a positioning seat; 620. a power input axis.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present invention are shown in the drawings.
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.
The invention provides a marking gauge, referring to fig. 1 to 6, the marking gauge comprises a central shaft 100, a support 200, a first marking assembly 300 and a second marking assembly 400, wherein the support 200 is slidingly lifted on the central shaft 100 and can rotate around the central shaft 100, and the support 200 is provided with a plugging slot 201 along the vertical direction of the central shaft 100; the first scribing assembly 300 comprises a first arm 310, a first scriber 320 and a first elastic member 330, wherein a first connecting groove 311 is formed at a first end of the first arm 310, the first scriber 320 is partially positioned in the first connecting groove 311 and is slidably telescopic in the first connecting groove 311, a tip end of the first scriber 320 extends out of the first connecting groove 311, and the first elastic member 330 is arranged between the first scriber 320 and a groove bottom of the first connecting groove 311; the second scribing assembly 400 comprises a second arm 410, a connecting rod 420, a guide sleeve 430, a second scriber 440 and a second elastic member 450, wherein a first end of the second arm 410 is connected with the guide sleeve 430 through the connecting rod 420, the guide sleeve 430 is provided with a sliding groove 431 arranged at an angle with the second arm 410, the second scriber 440 is partially positioned in the sliding groove 431 and slides and stretches out of the sliding groove 431, the tip of the second scriber 440 extends out of the sliding groove 431, and the second elastic member 450 is arranged between the second scriber 440 and the bottom of the sliding groove 431; the insertion slot 201 can be selectively inserted into the second end of the first arm 310 or the second end of the second arm 410.
In this embodiment, the insertion slot 201 is configured to selectively insert into the second end of the first arm 310 or the second end of the second arm 410, so that the support 200 can be selectively connected to the first scribing assembly 300 or the second scribing assembly 400 according to the requirement.
Specifically, when the support 200 is connected to the first scribing assembly 300, referring to fig. 7 and 9, the insertion groove 201 is inserted into the second end of the first arm 310, and the first arm 310 is rotated so that the first scriber 320 can continuously scribe the inner sidewall of the flange base 500 around the central axis 100, and by providing the first elastic member 330 between the first scriber 320 and the groove bottom of the first connection groove 311, when the inner sidewall of the flange base 500 is inclined inward with respect to the axis thereof, the interval between the inner sidewall of the flange base 500 and the axis thereof is reduced, and the first scriber 320 can slide inward with respect to the first connection groove 311 and compress the first elastic member 330 under the pressing action of the inner sidewall of the flange base 500; when the inner sidewall of the flange base 500 is inclined outwards with respect to the axis thereof, the distance between the inner sidewall of the flange base 500 and the axis thereof increases, and the first elastic member 330 can slide the first scriber 320 outwards with respect to the first connection slot 311 under the action of the elastic force so that the first scriber 320 can be in contact with the inner sidewall of the flange base 500 at any time, and the first scriber 330 and the inner sidewall of the flange base 500 can be kept in good contact at any time.
When the support 200 is connected with the second scribing assembly 400, referring to fig. 8 and 10, the insertion groove 201 is inserted into the second end of the second arm 410, and due to the arrangement of the sliding groove 431 on the guide sleeve 430 and the second arm 410, when the second arm 410 is rotated, the second scriber 440 can continuously scribe on the upper end surface of the flange base 500 with the central shaft 100 as the center, and by providing the second elastic member 450 between the second scriber 440 and the groove bottom of the sliding groove 431, when the upper end surface of the flange base 500 is inclined outwards, the distance between the upper end surface of the flange base 500 and the guide sleeve 430 is reduced, and the second scriber 440 can slide inwards relative to the sliding groove 431 and compress the second elastic member 450 under the extrusion action of the upper end surface of the flange base 500; when the upper end surface of the flange base 500 is inclined inwards, the distance between the upper end surface of the flange base 500 and the guide sleeve 430 is increased, the second elastic piece 450 can slide the second scriber 440 outwards relative to the sliding groove 431 under the action of elastic force so that the second scriber 440 can be in contact with the upper end surface of the flange base 500 at any time, the upper end surfaces of the second scriber 440 and the flange base 500 can be kept in good contact at any time, the scribing effect on the inclined inner side wall, the inclined upper end surface and other processing surfaces of the flange base 500 is effectively ensured, scribing errors are avoided, and a good foundation is laid for a subsequent series of processing procedures of the flange base 500.
Further, referring to fig. 5, the support 200 includes a rotating portion 210 and a connecting portion 220 disposed at an end of the rotating portion 210, the rotating portion 210 is provided with a rotating hole 211, the rotating portion 210 is sleeved on the central shaft 100 through the rotating hole 211 and is slidingly lifted on the central shaft 100, the rotating hole 211 is rotatably connected to the central shaft 100, and the connecting portion 220 is provided with a plugging slot 201. In the present embodiment, the fit relationship between the rotation hole 211 and the central shaft 100 is set to be a clearance fit or a transition fit, so that the support 200 can be ensured to smoothly rotate around the central shaft 100 after being sleeved on the central shaft 100.
The provision of the connection 220 provides sufficient opening space for the socket 201 to make the connection between the holder 200 and the first arm 310 or the second arm 410 more reliable. Specifically, the slot wall of the insertion slot 201 is provided with a first fastening hole 221, and when the second end of the first arm 310 or the second arm 410 is inserted into the insertion slot 201, the first fastening piece can be screwed into the first fastening hole 221 by screwing the first fastening piece into the first fastening hole 221 and abuts against the first arm 310 or the second arm 410, so as to ensure reliable connection between the insertion slot 201 and the first arm 310 or the second arm 410. The first fastener may be a screw, rivet or bolt, not otherwise limited herein.
In the present embodiment, the materials of the central shaft 100 and the support 200 are preferably, but not limited to, steel.
Further, the rotating part 210 is welded with the connecting part 220. The welding connection mode is simple to operate, high in connection speed, low in labor intensity and reliable and firm in connection effect.
Further, referring to fig. 1 and 3, the first scribing assembly 300 includes a first connector 340, the first scribe line 320 includes a first sliding shaft 321 and a first needle 322 disposed at an end of the first sliding shaft 321, the first sliding shaft 321 is located in the first connecting slot 311 and slides and stretches out and draws back in the first connecting slot 311, the first connector 340 is provided with a first connecting slot 341, a first through hole 342 is provided at a bottom of the first connecting slot 341, a first end of the first arm 310 is connected with the first connecting slot 341, the first needle 322 partially penetrates out of the first through hole 342, and an aperture of the first through hole 342 is smaller than an axial diameter of the first sliding shaft 321.
In this embodiment, the shaft diameter of the first sliding shaft 321 is larger than the shaft diameter of the first needle 322, the tip of the first scriber 320 is the first needle 322, the first connector 340 is provided with the first connecting groove 341, the groove bottom of the first connecting groove 341 is provided with the first through hole 342, and the first connector 340 can be connected with the first end of the first arm 310 through the first connecting groove 341, so that the first connector 340 can be covered on the first connecting groove 311. And the first needle 322 partially penetrates through the first through hole 341, and when the first sliding shaft 321 slides and stretches relative to the first connecting groove 311, the first needle 322 correspondingly slides to the first through hole 342. And through setting up the internal diameter of first through-hole 342 and being less than the axle diameter of first slide shaft 321, when first slide shaft 321 slides in first spread groove 311, the interior end wall of first joint 340 can provide reliable spacing effect for first slide shaft 321, prevents that first slide shaft 321 from sliding out and drop first spread groove 311, guarantees the reliability and the validity of follow-up marking off work.
Further, the inner circumferential wall of the first connecting groove 341 is provided with an internal thread, and the outer circumferential wall of the first end of the first arm 310 is correspondingly provided with an external thread which is in matching connection with the internal thread, that is, the first joint 340 and the first arm 310 are reliably and stably connected in a threaded connection manner. The present embodiment is not limited thereto, and other connection manners between the first receiving groove 341 and the first arm 310 are also possible, which is not limited thereto.
In the present embodiment, the materials of the first arm 310, the first scriber 320 and the first joint 340 are preferably but not limited to steel, and the first elastic member 330 is preferably a compression spring.
Further, referring to fig. 2 and 4, the second scribing assembly 400 includes a second joint 460, the second scribe line 440 includes a second sliding shaft 441 and a second needle 442 disposed at an end of the second sliding shaft 441, the second sliding shaft 441 is located in the sliding groove 431 and slides and stretches out and draws back in the sliding groove 413, the second joint 460 is provided with a second connecting groove 461, a bottom of the second connecting groove 461 is provided with a second through hole 462, one end of the guide sleeve 430 provided with the sliding groove 431 is connected with the second connecting groove 461, the second needle 442 partially penetrates out of the second through hole 462, and the aperture of the second through hole 462 is smaller than the shaft diameter of the second sliding shaft 441.
In the present embodiment, the axial diameter of the second sliding shaft 441 is larger than that of the second needle 442, the tip of the second scriber 440 is the second needle 442, the second connector 460 is provided with the second slot 461, the slot bottom of the second slot 461 is provided with the second through hole 462, and the second connector 460 can be connected with one end of the guide sleeve 430 provided with the sliding slot 431 through the second slot 461, so that the second connector 460 can be covered on the guide sleeve 430. And the second needle 442 partially passes through the second through hole 462, and when the second sliding shaft 441 slides and stretches relative to the sliding groove 431, the second needle 442 correspondingly slides in the second through hole 462. And through setting up the internal diameter of second through-hole 462 and being less than the axle diameter of second sliding shaft 441, when second sliding shaft 441 slides in slide groove 431, the interior end wall of second joint 460 can provide reliable spacing effect for second sliding shaft 441, prevents second sliding shaft 441 from sliding out and drop slide groove 431, guarantees the reliability and the validity of follow-up marking off work.
Further, the inner circumferential wall of the second connecting groove 461 is provided with an internal thread, and the outer circumferential wall of the end of the guide sleeve 430 provided with the sliding groove 431 is correspondingly provided with an external thread which is in matching connection with the internal thread, i.e. the second joint 460 is reliably and stably connected with the guide sleeve 430 in a threaded connection manner. The present embodiment is not limited thereto, and other connection manners between the second connecting slot 461 and the guide sleeve 430 are also possible, which are not limited thereto.
In the present embodiment, the first end of the link 420 is connected to the second connection slot 411, and the second end of the link 420 is connected to the guide sleeve 430. Specifically, the inner sidewall of the second connection slot 411 is provided with an internal thread, and the first end of the connection rod 420 is provided with an external thread which is in matching connection with the internal thread, i.e., the connection rod 420 and the second connection slot 411 are reliably connected through threaded connection. The second end of the connecting rod 420 is preferably, but not limited to, welded to the guide sleeve 430.
In the present embodiment, the materials of the second arm 410, the connecting rod 420, the guide sleeve 430, the second scriber 440 and the second joint 460 are preferably but not limited to steel, and the second elastic member 450 is preferably a compression spring.
The present embodiment further provides a method for processing a rudder propeller flange base, referring to fig. 7 to 11, in which the method for processing a rudder propeller flange base is applied to the marking gauge, and the method for processing a rudder propeller flange base mainly includes the following steps:
s100, arranging a positioning seat 610 on a ship body 600 provided with a flange base 500, and arranging a positioning hole on the positioning seat 610 along the direction perpendicular to a power input axis 620 by taking the midpoint of the axis of the flange base 500 as a reference point;
s200, penetrating a central shaft 100 of the marking gauge into a positioning hole and fixing the central shaft with the positioning hole;
s300, inserting the first arm rod 310 into the inserting groove 201, adjusting the height of the support 200 on the central shaft 100, and then controlling the support 200 to rotate relative to the central shaft 100 so that the first scriber 320 can scribe lines on the inner side wall of the flange base 500;
s400, cutting the flange base 500 along a direction parallel to the power input axis 620 by using a machine tool based on the inner side wall scribing line of the flange base 500;
s500, the first arm rod 310 is detached from the inserting groove 201, the second arm rod 410 is installed on the inserting groove 201, the height of the support 200 on the central shaft 100 is adjusted, and then the support 200 is controlled to rotate relative to the central shaft 100, so that the second scriber 440 can scribe lines on the upper end surface of the flange base 500;
s600, cutting or punching the flange base 500 in a direction perpendicular to the power input axis 620 using a machine tool with reference to the upper end surface scribe line of the flange base 500.
In step S100, two positioning seats 610 are preferably provided, two positioning seats 610 are provided on both upper and lower sides of the flange base 500 in pairs, and the two positioning seats 610 are each provided parallel to the direction of the power input axis 620. The positioning seats 610 are preferably configured as channel steel, the channel steel is mounted on the ship body 600 by welding, and then the positioning holes are formed on the upper and lower positioning seats 610 in a direction perpendicular to the power input axis 620 by taking the center point of the axis of the flange base 500 as a reference point.
In step S200, both ends of the central shaft 100 of the marking gauge can be respectively inserted into the corresponding side positioning seats 610 and kept fixed with the corresponding side positioning seats 610. In the present embodiment, referring to fig. 9 to 10, fixing plates 110 are provided at both ends of a central shaft 100, fixing holes 111 are provided in the fixing plates 110, and the central shaft 100 is inserted through the fixing holes 111 and slidably connected to the fixing holes 111. In this embodiment, two fixing plates 110 are respectively placed on the positioning seats 610 on the upper and lower sides of the hull 600, and the fixing holes of each side fixing plate 110 are coaxially arranged with the positioning holes of the corresponding side positioning seat 610, so that the upper and lower ends of the central shaft 100 are respectively penetrated with the corresponding side fixing holes 111 and positioning holes, and the upper and lower fixing plates 110 and the central shaft 100 can be integrated, so that the central shaft 100 can be more reliably fixed on the positioning seat 610 through the fixing plates 110, and the central shaft 100 is prevented from shaking relative to the positioning seat 610.
Preferably, the fixing hole 111 is provided with an interference fit with the central shaft 100, so that a reliable connection between the central shaft 100 and the fixing plate 110 can be ensured.
Further, referring to fig. 6, 9 and 10, the scribing compass further includes a first fixing stay 120 and a second fixing stay 130, wherein the first fixing stay 120 can fix the lifting height of the support 200 in the axial direction of the central shaft 100, and the second fixing stay 130 can fix the lifting height of the fixing plate 110 in the axial direction of the central shaft 100.
Specifically, the first fixing support 120 is disposed below the support 200 and can support the support 200, the first fixing support 120 penetrates through the central shaft 100 and can be slidably lifted on the central shaft 100, the first fixing support 120 is provided with a second fastening hole 121, when the first fixing support 120 slides to a target height on the central shaft 100, the second fastening hole 121 is screwed with a second fastening piece, so that the second fastening piece screws the second fastening hole 121 and abuts against a side wall of the central shaft 100 to fix the first fixing support 120 on the central shaft 100, and then the support 200 can be supported by the first fixing support 120 to maintain the target height on the central shaft 100.
Further, the second fixing support 130 is inserted through the central shaft 100 and is disposed between the support 200 and the lower fixing plate 110, and the lower end surface of the second fixing support 130 can be abutted against the upper end surface of the corresponding fixing plate 110, and the second fixing support 130 is provided with a third fastening hole, when the second fixing support 130 slides to a target height on the central shaft 100, the third fastening hole is screwed with a third fastening piece, so that the third fastening piece is screwed with the third fastening hole and abuts against the side wall of the central shaft 100 to fix the second fixing support 130 on the central shaft 100, so that the lower fixing plate 110 can not slide relative to the central shaft 100 under the abutting action of the second fixing support 130, the central shaft 100 can be reliably maintained at the height, and the subsequent scribing operation can be accurately and reliably performed.
In this embodiment, the second and third fasteners may be screws, rivets or bolts, which are not limited thereto.
In step S300, the upper end surface of the flange base 500 is required to be spaced apart from the power input axis 620 in the axial direction of the center shaft 100, which requires scribing the inner side wall of the flange base 500. After fixing the upper and lower sides of the central shaft 100 to the positioning seats 610 at the corresponding sides, the first scribing assembly 300 is selected to be connected with the support 200.
Specifically, referring to fig. 1, 3, 7 and 9, the first arm 310 is inserted into the insertion groove 201, so that the first scribing assembly 300 can be reliably connected with the support 200, and then the position of the support 200 relative to the central shaft 100 is controlled, in the process, the first fixing support 120 slides along with the support 200, and the first scriber 320 is lifted synchronously along the height direction of the central shaft 100, when the support 200 is adjusted to a position where the first needle 322 is axially spaced from the power input axis 320 along the central shaft 100 by a target distance, the second fastener on the first fixing support 120 is screwed, so that the second fastener abuts against the side wall of the central shaft 100 to keep the second fastener fixed along the height direction, and then the support 200 is controlled to rotate relative to the central shaft 100, so that the first needle 322 can scribe 360 ° on the inner side wall of the flange base 500.
When the inner sidewall of the flange base 500 is inclined inwardly with respect to the axis thereof during the rotation of the first needle 322 for scribing, the interval between the inner sidewall of the flange base 500 and the axis thereof is reduced, and the first needle 322 can slide inwardly with respect to the first connection groove 311 and compress the first elastic member 330 under the pressing action of the inner sidewall of the flange base 500; when the inner side wall of the flange base 500 is inclined outwards relative to the axis thereof, the distance between the inner side wall of the flange base 500 and the axis thereof increases, and the first elastic member 330 can slide the first scriber 320 outwards relative to the first connection slot 311 under the action of elastic force so that the first scriber 322 can be in contact with the inner side wall of the flange base 500 at any time, so that the first scriber 322 and the inner side wall of the flange base 500 can be kept in good contact at any time, and a processing line with high accuracy can be scribed on the inner side wall of the flange base 500.
In step S400, after the inner sidewall of the flange base 500 is scribed, the flange base 500 is cut by using a machine tool along the direction parallel to the power input axis 620, and the machining allowance of the upper end surface of the flange base 500 is cut off, so that the upper end surface of the flange base 500 ensures the distance requirement with the power input axis 620, and the upper end surface of the flange base 500 can be parallel to the power output axis 620, thereby ensuring the subsequent machining quality of the flange base 500. In the present embodiment, the distance between the upper end surface of the flange base 500 and the power input axis 620 along the axial direction of the central shaft 100 is preferably set to 1500mm.
Then, in step S500, according to further processing requirements of the flange base 500, the upper end surface of the flange base 500 needs to be scribed, and the first scribing assembly 300 needs to be detached from the support 200 and the second scribing assembly 400 needs to be mounted on the support 200.
Specifically, referring to fig. 2, 4, 8, and 10, the first arm 310 is detached from the insertion groove 201, the second arm 410 is mounted to the insertion groove 201, the second fastening member is unscrewed, the second fastening member is released from the abutment against the central shaft 100 to release the fixation between the first fixing holder 120 and the central shaft 100, the height of the holder 200 on the central shaft 100 is then adjusted, the second needle 442 can be brought into contact with the upper end surface of the flange base 500 after cutting, the second fastening member is then screwed again, the second fastening member is again abutted against the central shaft 100 to re-fix the first fixing holder 120 to the central shaft 100, the position of the second needle 442 in the radial direction of the flange base 500 is then adjusted by adjusting the insertion position of the connecting rod 420 in the second connecting groove 411, and after adjusting the second needle 442 to the target position, the holder 200 is controlled to rotate relative to the central shaft 100, so that the second needle 442 can be scribed at 360 ° on the upper end surface of the flange base 500.
In the process of rotating the second needle 442 to scribe, when the upper end surface of the flange base 500 is inclined outwards, the interval between the upper end surface of the flange base 500 and the guide sleeve 430 is reduced, and the second needle 442 can slide inwards relative to the sliding groove 431 and compress the second elastic member 450 under the extrusion action of the upper end surface of the flange base 500; when the upper end surface of the flange base 500 is inclined inwards, the distance between the upper end surface of the flange base 500 and the guide sleeve 340 is increased, and the second elastic member 450 can slide the second scriber 440 outwards relative to the sliding groove 431 under the action of elastic force so that the second scriber 442 can be in contact with the upper end surface of the flange base 500 at any time, so that the second scriber 442 can be in good contact with the upper end surface of the flange base 500 at any time, and a processing line with high accuracy can be scribed on the upper end surface of the flange base 500.
In step S600, after the upper end surface of the flange base 500 is scribed, the flange base 500 is cut or perforated by using a machine tool along the direction perpendicular to the power input axis 620, so as to ensure the subsequent processing quality of the flange base 500, and further ensure the position accuracy when the rudder propeller device is subsequently installed.
In the process of machining the flange base 500, the surface of the flange base 500 is machined by using a milling machine as a step table based on a machining line drawn on the surface of the flange base 500, the surface of the flange base 500 is boring-machined by using a boring machine, and a flange hole in the upper end surface of the flange base 500 is machined by using a drilling machine. The specific machining processes of the milling machine, the boring machine, the drilling machine and other machine tools are all the prior art, and are not repeated here.
It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the invention. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.

Claims (9)

1. A method of machining a rudder propeller flange mount, characterized by applying a marking gauge comprising:
a central shaft (100);
the support (200) is slidably lifted on the central shaft (100), the support (200) can rotate around the central shaft (100), and the support (200) is provided with a plug-in groove (201) along the vertical direction of the central shaft (100);
the first scribing assembly (300) comprises a first arm rod (310), a first scriber (320) and a first elastic piece (330), wherein a first connecting groove (311) is formed in the first end of the first arm rod (310), the first scriber (320) is partially positioned in the first connecting groove (311) and stretches into the first connecting groove (311) in a sliding mode, the tip of the first scriber (320) stretches out of the first connecting groove (311), and the first elastic piece (330) is arranged between the first scriber (320) and the groove bottom of the first connecting groove (311);
the second scribing assembly (400) comprises a second arm rod (410), a connecting rod (420), a guide sleeve (430), a second scriber (440) and a second elastic piece (450), wherein a first end of the second arm rod (410) is connected with the guide sleeve (430) through the connecting rod, a sliding groove (431) which is arranged at an angle with the second arm rod (410) is formed in the guide sleeve (430), the second scriber (440) is partially positioned in the sliding groove (431) and slides and stretches out of the sliding groove (431), the tip of the second scriber (440) stretches out of the sliding groove (431), and the second elastic piece (450) is arranged between the second scriber (440) and the groove bottom of the sliding groove (431);
the insertion groove (201) can be selectively inserted into the second end of the first arm lever (310) or the second end of the second arm lever (410);
the processing method of the rudder propeller flange base comprises the following steps:
s100, arranging a positioning seat (610) on a ship body (600) provided with a flange base (500), and arranging a positioning hole on the positioning seat (610) along the direction perpendicular to a power input axis (620) by taking the central point of the axis of the flange base (500) as a reference point;
s200, penetrating the central shaft (100) of the marking gauge into the positioning hole and fixing the central shaft with the positioning hole;
s300, inserting the first arm rod (310) into the inserting groove (201), adjusting the height of the support (200) on the central shaft (100), and then controlling the support (200) to rotate relative to the central shaft (100) so that the first scriber (320) can scribe lines on the inner side wall of the flange base (500);
s400, cutting the flange base (500) along the direction parallel to the power input axis (620) by using a machine tool on the basis of the inner side wall scribing of the flange base (500);
s500, detaching the first arm rod (310) from the inserting groove (201), mounting the second arm rod (410) to the inserting groove (201), adjusting the height of the support (200) on the central shaft (100), and then controlling the support (200) to rotate relative to the central shaft (100) so that the second scriber (440) can scribe on the upper end surface of the flange base (500);
and S600, cutting or perforating the flange base (500) by using the machine tool along the direction perpendicular to the power input axis (620) by taking the upper end surface scribing line of the flange base (500) as a reference.
2. The method for processing the rudder propeller flange base according to claim 1, wherein fixing plates (110) are provided at both ends of the central shaft (100), fixing holes (111) are provided in the fixing plates (110), and the central shaft (100) is inserted through the fixing holes (111) and slidably connected to the fixing holes (111).
3. The method for processing a rudder propeller flange base according to claim 1, wherein the support (200) includes a rotating portion (210) and a connecting portion (220) disposed at an end portion of the rotating portion (210), the rotating portion (210) is provided with a rotating hole (211), the rotating portion (210) is sleeved on the central shaft (100) through the rotating hole (211) and is slidingly lifted on the central shaft (100), the rotating hole (211) is rotatably connected to the central shaft (100), and the connecting portion (220) is provided with the inserting groove (201).
4. A method of machining a rudder propeller flange mount according to claim 3, wherein the swivel part (210) is welded to the connecting part (220).
5. The method of manufacturing a rudder propeller flange mount according to claim 2, further comprising:
a first fixed stay (120), wherein the first fixed stay (120) can fix the lifting height of the support (200) in the axial direction of the central shaft (100);
and a second fixing stay (130), wherein the second fixing stay (130) can fix the lifting height of the fixing plate (110) in the axial direction of the central shaft (100).
6. The method for processing the rudder propeller flange base according to claim 1, wherein the first scribing component (300) comprises a first connector (340), the first scriber (320) comprises a first sliding shaft (321) and a first needle (322) arranged at the end part of the first sliding shaft (321), the first sliding shaft (321) is located in the first connecting groove (311) and slides and stretches out and draws back in the first connecting groove (311), the first connector (340) is provided with a first connecting groove (341), the bottom of the first connecting groove (341) is provided with a first through hole (342), the first end of the first arm (310) is connected with the first connecting groove (341), the first needle (322) partially penetrates out of the first through hole (342), and the aperture of the first through hole (342) is smaller than the shaft diameter of the first sliding shaft (321).
7. The method for machining a rudder propeller flange base according to claim 6, characterized in that an inner peripheral wall of the first receiving groove (341) is provided with an internal thread, and an outer peripheral wall of the first end of the first arm (310) is correspondingly provided with an external thread that is in mating connection with the internal thread.
8. The method for processing the rudder propeller flange base according to claim 1, wherein the second scribing component (400) comprises a second joint (460), the second scriber (440) comprises a second sliding shaft (441) and a second needle (442) arranged at the end part of the second sliding shaft (441), the second sliding shaft (441) is located in the sliding groove (431) and slides and stretches out and draws back in the sliding groove (431), the second joint (460) is provided with a second connecting groove (461), the bottom of the second connecting groove (461) is provided with a second through hole (462), the guide sleeve (430) is provided with one end of the sliding groove (431) connected with the second connecting groove (461), the second needle (442) partially penetrates out of the second through hole (462), and the aperture of the second through hole (462) is smaller than the shaft diameter of the second sliding shaft (441).
9. The method for processing the rudder propeller flange base according to claim 8, wherein an inner peripheral wall of the second connecting groove (461) is provided with an inner screw thread, and an outer peripheral wall of an end of the guide sleeve (430) provided with the sliding groove (431) is correspondingly provided with an outer screw thread which is in matching connection with the inner screw thread.
CN202210350451.2A 2022-04-02 2022-04-02 Marking gauge and rudder propeller flange base processing method Active CN114589673B (en)

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EP2977147A1 (en) * 2014-07-21 2016-01-27 Simone Bieber Parallel roll substance for exact adaptation of fitting strips for built-in furniture
CN107398882A (en) * 2017-09-11 2017-11-28 刘俊华 The method of adjustment line cutter position in measurement process
CN108044595A (en) * 2017-12-15 2018-05-18 广新海事重工股份有限公司 A kind of frock for rudder system bore hole
CN210139396U (en) * 2019-06-30 2020-03-13 中冶建工集团有限公司 Building structure marking device
CN213499173U (en) * 2020-11-06 2021-06-22 济宁学院 Size shaping and marking device for manufacturing manual copper ware
CN213674096U (en) * 2020-11-13 2021-07-13 甘肃有色冶金职业技术学院 Multifunctional scribing block

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201389852Y (en) * 2009-03-23 2010-01-27 杭州杭锅通用设备有限公司 Scriber dedicated to NC deep-hole driller
CN201455983U (en) * 2009-07-30 2010-05-12 北京市三一重机有限公司 Ground compasses
CN101758493A (en) * 2009-12-11 2010-06-30 苏华礼 Combined scribing instrument
CN202964637U (en) * 2012-12-27 2013-06-05 渤海造船厂集团有限公司 Opening and marking device for ship side tube
EP2977147A1 (en) * 2014-07-21 2016-01-27 Simone Bieber Parallel roll substance for exact adaptation of fitting strips for built-in furniture
CN104802150A (en) * 2015-05-11 2015-07-29 爱佩仪中测（成都）精密仪器有限公司 Automatic scriber and application method thereof
CN107398882A (en) * 2017-09-11 2017-11-28 刘俊华 The method of adjustment line cutter position in measurement process
CN108044595A (en) * 2017-12-15 2018-05-18 广新海事重工股份有限公司 A kind of frock for rudder system bore hole
CN210139396U (en) * 2019-06-30 2020-03-13 中冶建工集团有限公司 Building structure marking device
CN213499173U (en) * 2020-11-06 2021-06-22 济宁学院 Size shaping and marking device for manufacturing manual copper ware
CN213674096U (en) * 2020-11-13 2021-07-13 甘肃有色冶金职业技术学院 Multifunctional scribing block

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