CN112453967A - Centering device for machining of wind driven generator shell - Google Patents
Centering device for machining of wind driven generator shell Download PDFInfo
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- CN112453967A CN112453967A CN202011249033.1A CN202011249033A CN112453967A CN 112453967 A CN112453967 A CN 112453967A CN 202011249033 A CN202011249033 A CN 202011249033A CN 112453967 A CN112453967 A CN 112453967A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
- B23Q3/082—Work-clamping means other than mechanically-actuated hydraulically actuated
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Abstract
The invention relates to the technical field of processing of wind driven generator shells, in particular to a centering device for processing a wind driven generator shell, which comprises: placing a fixed table; the lifting column platform is coaxially arranged in the placing and fixing platform, the working end of the lifting column platform can coaxially and vertically lift, three first telescopic abutting frames capable of freely stretching along the radial direction are uniformly distributed on the periphery of the working end of the lifting column platform, and the outer ends of the first telescopic abutting frames are provided with first travel switches with the working ends back to the axis of the placing and fixing platform; the placing sliding table is coaxially arranged at the top end of the placing fixing table, the working end of the placing sliding table comprises a sliding ring capable of sliding along the periphery of the top end of the lifting column table, and the inner diameter of the sliding ring is larger than the outer diameter of the lifting column table; three radial butt ware is placing the fixed station periphery along the axis equipartition, radial butt ware work end is including the flexible butt frame of second along radial direction towards lift stylobate axis, the flexible butt frame of second is provided with second travel switch, and the device can be automatically to the vertical casing of placing the centre gripping.
Description
Technical Field
The invention relates to the technical field of machining of wind driven generator shells, in particular to a centering device for machining of a wind driven generator shell.
Background
The good or bad of generator casing quality directly influences the subsequent use of generator, and present traditional generator stator subassembly's processing mode divide into press the casing and press the stator, because the casing is adding certain out-of-round of unavoidable existence, so do not press the stator still to press the casing, and the concentricity obtains not guaranteeing after two parts combine, not only causes the casing machining efficiency lower, still can't guarantee the life of generator.
And inside aerogenerator's casing, there have some burrs after the welding, perhaps because work piece self reason, need utilize the lathe to carry out the turning, it is vertical lathe to carry out the turning for the inside casing of generator, need place the casing vertically, but place the center that the casing need be found accurately after, the central axis of event casing will coincide with the central axis of tool holder, just can guarantee the inside turning quality of casing, it goes to find the center to be the manual work now mostly, the error is great, at last the turning degree to the inside billet of casing is different, cause serious quality problems, and all process at every turn and all need give the casing centering, the efficiency is extremely low, the quality also can not be guaranteed.
Chinese patent CN201721764862.7 discloses a centering device for processing a wind driven generator casing, which comprises a base, wherein the upper surface of the base is provided with a plurality of pressing device chutes and clamping device slideways, pressing devices and centering device fixing clamps are arranged in the pressing device chutes, slide rails are arranged in the clamping device slideways, clamping devices are arranged on the slide rails, and a centering disc is arranged in the middle part of the upper surface of the base.
The device is inconvenient to adjust and not easy to center.
Disclosure of Invention
In order to solve the technical problem, the technical scheme provides the centering device for machining the shell of the wind driven generator, and the problem of automatic centering and fixing of the shell of the wind driven generator is solved.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
a centering device for machining of a wind driven generator shell comprises: placing a fixed table; the lifting column platform is coaxially arranged in the placing and fixing platform, the working end of the lifting column platform can coaxially and vertically lift, three first telescopic abutting frames capable of freely stretching along the radial direction are uniformly distributed on the periphery of the working end of the lifting column platform, and the outer end of each first telescopic abutting frame is provided with a first travel switch with the working end back to the axis of the placing and fixing platform; the placing sliding table is coaxially arranged at the top end of the placing fixing table, the working end of the placing sliding table comprises a sliding ring capable of sliding along the periphery of the top end of the lifting column table, and the inner diameter of the sliding ring is larger than the outer diameter of the lifting column table; three radial butt ware, radial butt ware is placing the fixed station periphery along the axis equipartition, radial butt ware working end is including the flexible butt frame of second along radial direction towards lift stylobate axis, the flexible butt frame of second is provided with the second travel switch of working end towards its axis towards lift stylobate axis end.
Preferably, the lifting column further comprises: the fixed cylinder is coaxially and fixedly arranged in the placing and fixing table; the lifting column is coaxially and slidably arranged in the first telescopic abutting frame, three radially arranged placing grooves are uniformly distributed at the top end of the circumferential surface of the lifting column, and the first telescopic abutting frame is slidably arranged in the placing grooves along the radial direction; the first hydraulic cylinder is arranged in the placement groove, and the working end of the first hydraulic cylinder is fixedly connected with the inner end of the first telescopic abutting frame along the radial direction; and the output shaft of the second hydraulic cylinder is vertically arranged at the bottom end inside the fixed cylinder upwards, and the output shaft of the second hydraulic cylinder is coaxially and fixedly connected with the bottom end of the lifting column.
Preferably, place the fixed station inner periphery and radially be provided with the spout, the lift stylobate still including: the mounting plate is coaxially arranged at the bottom end of the lifting column and is coaxially and fixedly connected with the output shaft of the second hydraulic cylinder, and the mounting plate surface is radially provided with a butting lug which is vertically matched with the sliding groove in a sliding manner; the two ends of the threaded column are coaxially and rotatably arranged in the sliding groove through the rotating seat and the placing and fixing table; the L-shaped support is vertically arranged in the sliding groove in a sliding mode along the axial direction, and a nut screwed with the threaded column in a coaxial threaded mode is arranged on the L-shaped support; the working end of the third stroke switch is vertically arranged on one side of the L-shaped bracket downwards, the third stroke switch is positioned at the top of the abutting lug, and the third stroke switch is electrically connected with the controller; the rotating shaft penetrates through the sliding groove along the radial direction and is rotatably arranged in the placing and fixing table; the first bevel gear is coaxially and fixedly arranged at the inner end of the rotating shaft, the second bevel gear is coaxially and fixedly arranged at one end of the threaded column, and the axes of the first bevel gear and the second bevel gear are vertical and are meshed with each other.
Preferably, semicircular grooves are uniformly distributed at the top end of the placing and fixing table; placing the sliding table further comprises: the fixing ring is coaxially and fixedly arranged at the top end of the placing fixing table, and first limiting grooves which are coaxial with the semicircular grooves and have gradually reduced inner diameters from bottom to top are uniformly distributed on the fixing ring; the lifting column is coaxially and rotatably arranged in the semicircular groove and the first limiting groove combination groove, the top end of the ball is higher than the top end of the fixing ring, and the sliding ring is slidably arranged on the top end of the ball.
Preferably, the top end of the sliding ring is uniformly provided with convex strips along the radial direction of the sliding ring.
Preferably, the radial abutment further comprises: the three placing tables are uniformly distributed on the periphery of the placing and fixing table along the radial direction; the guide rail is fixedly arranged at the top end of the placing and fixing table along the radial direction, and the second telescopic abutting frame is fixedly arranged at the top end of the guide rail sliding block along the radial direction; the third hydraulic cylinder is arranged at the top end of the placing table along the radial direction, and the working end of the third hydraulic cylinder is fixedly connected with the outer end of the second telescopic abutting frame; and the limiting frame is fixedly arranged at the top end of the placing table in sliding fit with the outer side of the second telescopic abutting frame.
Preferably, the abutting ends of the first telescopic abutting frame and the second telescopic abutting frame are opposite to a radial vertical surface of the placing and fixing table.
Preferably, the inner periphery of the fixed cylinder is uniformly provided with limit strips set along the axial direction, and the outer periphery of the lifting column is provided with a second limit groove vertically matched with the limit strips in a sliding manner.
Preferably, the top end of the circumferential surface of the lifting column is provided with a chamfer.
Preferably, the outer end of the rotating shaft is also coaxially provided with a turntable convenient to rotate.
Compared with the prior art, the invention has the beneficial effects that:
the device has simple structure, completely automatically centers and positions, and particularly, before the work starts, the lifting column platform and the lathe tool rest are coaxially arranged at the bottom of the lifting column platform; starting a second hydraulic cylinder to enable the working end of the second hydraulic cylinder to lift the lifting column to enable the second hydraulic cylinder to vertically lift along the axial direction, so that the working end of the second hydraulic cylinder is higher than the top end of the placing sliding table; the casing is vertically placed on the sliding ring through the suspension equipment, the casing, the lifting column platform and the sliding ring are not coaxial due to suspension, and the working end of the lifting column platform is coaxially inserted at the bottom end in the casing; starting the first hydraulic cylinder to enable the first telescopic abutting frame arranged on the periphery of the working end of the lifting column platform to synchronously extend along the radial direction, so that the first telescopic abutting frame abuts against the inner periphery of the casing, namely when the first travel switches are abutted against the outer periphery of the casing and the casing is placed on a sliding ring capable of sliding relative to the outer periphery of the top end of the lifting column platform, the casing and the sliding ring synchronously slide on the placing fixed platform, and due to the triangular positioning effect, the casing and the lifting column platform are coaxial, so that a lathe tool rest can be concentric with the casing; the rolling balls are rotatably arranged in the combined grooves of the semicircular grooves and the first limiting grooves, so that the sliding ring can slide on the rolling balls relative to the fixed ring, and when a heavy machine shell is vertically placed on the sliding ring, the machine shell can freely slide along the horizontal direction, and the centering is facilitated; starting the third hydraulic cylinder, enabling the working end of the third hydraulic cylinder to push the second telescopic abutting frame to abut against the periphery of the shell along the radial direction until the second travel switch abuts against the periphery of the shell, driving the working ends of the first hydraulic cylinder and the second hydraulic cylinder to reset successively, so that three radial abutting devices are in abutting joint, and the shells with different peripheral structures can be abutted and fixed at the top end of the placing and fixing table, thereby achieving the purpose of clamping and processing after centering, and the working ends of the first hydraulic cylinder and the second hydraulic cylinder reset, thereby preventing the working ends of the first hydraulic cylinder and the second hydraulic cylinder from interfering with the complete processing of the bottom end of the inner periphery of the shell; compared with manual centering, the device has higher working efficiency and precision.
Drawings
FIG. 1 is a perspective view of the present invention in a loaded state;
FIG. 2 is a perspective view of the present invention in an unloaded state;
FIG. 3 is a top view of the present invention in a loaded state;
FIG. 4 is a front view of the present invention in a loaded condition;
FIG. 5 is a cross-sectional view at section A-A of FIG. 4;
FIG. 6 is a perspective cross-sectional view at section A-A of FIG. 4;
FIG. 7 is a partial enlarged view of FIG. 5 at B;
FIG. 8 is an enlarged view of a portion of FIG. 5 at C;
FIG. 9 is an enlarged view of a portion of FIG. 5 at D;
fig. 10 is a perspective view of the lifting column of the present invention.
The reference numbers in the figures are:
1-placing a fixed table; 1 a-a chute; 1 b-a semicircular groove;
2-lifting the column base; 2 a-a first telescopic abutment; 2a1 — first travel switch; 2 b-a fixed cylinder; 2b 1-stop bar; 2 c-a lifting column; 2c 1-placing groove; 2c 2-a second restraint slot; 2c 3-chamfer; 2 d-a first hydraulic cylinder; 2 e-a second hydraulic cylinder; 2 f-placing plate; 2f 1-abutment tab; 2 g-threaded column; 2 h-rotating the seat; 2i-L shaped stents; 2i 1-nut; 2 j-third travel switch; 2 k-a rotating shaft; 2k 1-rotating disk; 2 m-a first bevel gear; 2 n-second bevel gear;
3-placing a sliding table; 3 a-a sliding ring; 3a 1-ribs; 3 b-a stationary ring; 3b 1-first retaining groove; 3 c-a ball;
4-a radial abutment; 4 a-a second telescopic abutment; 4a1 — second travel switch; -co-vertical plane; 4 b-a table; 4 c-a guide rail; 4 d-a third hydraulic cylinder; 4 e-limit frame.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
Referring to fig. 6, a centering device for machining a wind turbine housing includes:
placing the fixed table 1;
the lifting column base 2 is coaxially arranged in the placing and fixing table 1, the working end of the lifting column base 2 can coaxially and vertically lift, three first telescopic abutting frames 2a capable of freely stretching along the radial direction are uniformly distributed on the periphery of the working end of the lifting column base 2, and the outer end of each first telescopic abutting frame 2a is provided with a first travel switch 2a1, wherein the working end of each first travel switch faces away from the axis of the placing and fixing table 1;
the placing sliding table 3 is coaxially arranged at the top end of the placing fixing table 1, the working end of the placing sliding table 3 comprises a sliding ring 3a capable of sliding along the periphery of the top end of the lifting column table 2, and the inner diameter of the sliding ring 3a is larger than the outer diameter of the lifting column table 2;
three radial butt ware 4, radial butt ware 4 is placing fixed station 1 periphery along the axis equipartition, radial butt ware 4 work end is including the flexible butt frame 4a of second along radial orientation lift pylon 2 axis, the flexible butt frame 4a of second is provided with the second travel switch 4a1 of work end orientation its axis towards lift pylon 2 axis end.
Before the work begins, the lifting column base 2 and the lathe tool rest are coaxially arranged at the bottom of the lifting column base;
starting the lifting column platform 2 to enable the working end of the lifting column platform to vertically rise along the axial direction so as to be higher than the top end of the sliding platform 3, vertically placing the machine shell on the sliding ring 3a through the suspension equipment, enabling the machine shell, the lifting column platform 2 and the sliding ring 3a to be not coaxial due to suspension, and enabling the working end of the lifting column platform 2 to be coaxially inserted into the bottom end in the machine shell;
the first telescopic abutting frame 2a arranged on the outer periphery of the working end of the lifting column base 2 extends out synchronously along the radial direction, so that the first telescopic abutting frame abuts against the inner periphery of the machine shell, namely when the first travel switches 2a1 abut against the outer periphery of the machine shell and the machine shell is placed on a sliding ring 3a capable of sliding relative to the outer periphery of the top end of the lifting column base 2, the machine shell and the sliding ring 3a synchronously slide on the placing and fixing table 1, and the machine shell and the lifting column base 2 are coaxial due to the triangular positioning effect, so that a lathe tool rest can be concentric with the machine shell;
start three radial butt ware 4, make its working end drive the flexible butt frame 4a of second along radial butt in the casing periphery, until second travel switch 4a1 butt in the casing periphery, order about first flexible butt frame 2a and the ascending and descending post platform 2 ascending and descending working end and successively reset, divide the branch work butt because of there are three radial butt ware 4, thereby make the casing homoenergetic of different peripheral structure fix by the butt and place 1 top of fixed station, thereby realize the purpose of centre gripping processing after the centering, and the ascending and descending post platform 2 working end resets, thereby can prevent that its working end from hindering the complete machining to the casing inner periphery bottom.
As shown in fig. 5 and 7, the lifting column base 2 further includes:
the fixed cylinder 2b is coaxially and fixedly arranged in the placing and fixing table 1;
the lifting column 2c is coaxially and slidably arranged in the first telescopic abutting frame 2a, three radially arranged accommodating grooves 2c1 are uniformly distributed at the top end of the circumferential surface of the lifting column 2c, and the first telescopic abutting frame 2a is radially and slidably arranged in the accommodating groove 2c 1;
the first hydraulic cylinder 2d is arranged in the placing groove 2c1, and the working end of the first hydraulic cylinder 2d is fixedly connected with the inner end of the first telescopic abutting frame 2a along the radial direction;
and the output shaft of the second hydraulic cylinder 2e is vertically upwards arranged at the bottom end inside the fixed cylinder 2b, and the output shaft of the second hydraulic cylinder 2e is coaxially and fixedly connected with the bottom end of the lifting column 2 c.
When the fixed cylinder 2b needs to be lifted, the first telescopic abutting frame 2a can abut against the bottom end of the inner periphery of the machine shell, the second hydraulic cylinder 2e is started, the output shaft of the second hydraulic cylinder is lifted upwards, the fixed table 1 is placed oppositely, the lifting column 2c is lifted, the first hydraulic cylinder 2d is started again, the output shaft of the first hydraulic cylinder pushes the first telescopic abutting frame 2a to stretch out of the placing groove 2c1, and therefore the machine shell can be centered.
As shown in fig. 8, the inner circumference of the placing and fixing table 1 is provided with a sliding chute 1a along the radial direction, and the lifting column base 2 further comprises:
the mounting plate 2f is coaxially arranged at the bottom end of the lifting column 2c and is coaxially and fixedly connected with an output shaft of the second hydraulic cylinder 2e, and a contact lug 2f1 vertically matched with the sliding groove 1a in a sliding manner is arranged on the surface of the mounting plate 2f along the radial direction;
the two ends of the threaded column 2g are coaxially and rotatably arranged in the sliding groove 1a with the placing and fixing table 1 through a rotating seat 2 h;
the L-shaped support 2i is vertically arranged in the sliding groove 1a in a sliding mode along the axial direction, and a nut 2i1 screwed with the threaded column 2g in a coaxial threaded mode is arranged on the L-shaped support 2 i;
the working end of the third stroke switch 2j is vertically arranged on one side of the L-shaped bracket 2i downwards, the third stroke switch 2j is positioned at the top of the abutting lug 2f1, and the third stroke switch 2j is electrically connected with the controller;
the rotating shaft 2k penetrates through the sliding groove 1a along the radial direction and is rotatably arranged in the placing and fixing table 1;
the device comprises a first bevel gear 2m and a second bevel gear 2n, wherein the first bevel gear 2m is coaxially and fixedly arranged at the inner end of a rotating shaft 2k, the second bevel gear 2n is coaxially and fixedly arranged at one end of a threaded column 2g, and the axes of the first bevel gear 2m and the second bevel gear 2n are vertical and are meshed with each other.
When the lifting column 2c is relatively placed on the fixed table 1 along the axial direction to be lifted, the lifting column needs to be limited, by placing the setting plate 2f at the bottom end of the lifting column 2c, and the third travel switch 2j on top of the abutment lug 2f1, so that the abutting lug 2f1 closes the second hydraulic cylinder 2e when sliding on the slide groove 1a to abut on the operating end of the third stroke switch 2j, so that the lifting column 2c stops rising, and the complimentary rotating shaft 2k rotates relative to the placing fixed table 1, thereby driving the threaded column 2g to coaxially rotate on the rotating seat 2h through the first bevel gear 2m and the second bevel gear 2n which are meshed with each other, the L-shaped bracket 2i slides on the sliding chute 1a along the vertical direction, and the nut 2i1 residual thread column 2g is screwed coaxially, so that the height of the third stroke switch 2j installed on the L-shaped bracket 2i can be adjusted, thereby facilitating the adjustment of the height limit of the lifting column 2 c.
As shown in fig. 9, semicircular grooves 1b are uniformly distributed at the top end of the placing and fixing table 1; placing the sliding table 3 further comprises:
the fixing ring 3b is coaxially and fixedly arranged at the top end of the placing and fixing table 1, and first limiting grooves 3b1 which are coaxial with the semicircular grooves 1b and have gradually-reduced inner diameters from bottom to top are uniformly distributed in the fixing ring 3 b;
and the lifting column 2c is coaxially and rotatably arranged in the combined groove of the semicircular groove 1b and the first limiting groove 3b1, the top end of the ball 3c is higher than the top end of the fixed ring 3b, and the sliding ring 3a is slidably arranged at the top end of the ball 3 c.
By rotatably disposing the balls 3c in the combined grooves of the semicircular groove 1b and the first stopper groove 3b1, the sliding ring 3a can slide on the balls 3c relative to the fixed ring 3b, so that when a heavy casing is vertically placed on the sliding ring 3a, the casing can freely slide in a horizontal direction, thereby facilitating centering.
As shown in fig. 3, the top end of the sliding ring 3a is provided with a convex strip 3a1 along the radial direction.
By vertically placing the casing on the sliding ring 3a provided with the convex strips 3a1, the casing is not easy to slide relative to the sliding ring 3a, thereby facilitating centering.
As shown in fig. 1, the radial abutment 4 further includes:
three tables 4b, wherein the tables 4b are uniformly distributed on the periphery of the placing and fixing table 1 along the radial direction;
a guide rail 4c, wherein the guide rail 4c is fixedly arranged at the top end of the placing and fixing table 4b along the radial direction of the placing and fixing table 1, and the second telescopic abutting frame 4a is fixedly arranged at the top end of a slide block of the guide rail 4c along the radial direction;
a third hydraulic cylinder 4d, the third hydraulic cylinder 4d is arranged at the top end of the placing table 4b along the radial direction, and the working end of the third hydraulic cylinder 4d is fixedly connected with the outer end of the second telescopic abutting frame 4 a;
and a limit frame 4e, wherein the limit frame 4e is fixedly arranged at the top end of the placing table 4b in a sliding fit manner with the outer side of the second telescopic abutting frame 4 a.
The stand 4b is used for supporting and providing a guide rail 4c, a third hydraulic cylinder 4d and a limit frame 4e, the working end of the third hydraulic cylinder 4d is enabled to drive the second telescopic abutting frame 4a to slide on the guide rail 4c by starting the third hydraulic cylinder 4d, so that the second telescopic abutting frame 4a can abut on the periphery of the machine shell, subsequent processing is facilitated, and the limit frame 4e is arranged, so that the second telescopic abutting frame 4a is not easy to slide towards two sides during abutting.
As shown in fig. 3, the abutting ends of the first and second telescopic abutting frames 2a and 4a are opposite to the radial vertical surface of the placing and fixing table 1.
The first flexible butt frame 2a and the flexible butt frame 4a butt end of second are relative with placing the radial vertical face of fixed station 1 to make when first flexible butt frame 2a butt is fixed a position in the casing inner periphery, the flexible butt frame 4a of second can be relative first flexible butt frame 2a butt end butt in the casing periphery, thereby prevent that the casing from taking place deformation in the butt centre gripping process, thereby the processing of being convenient for.
As shown in fig. 5, the inner circumference of the fixed cylinder 2b is uniformly provided with a limit strip 2b1 set along the axial direction, and the outer circumference of the lifting column 2c is provided with a second limit groove 2c2 vertically sliding-fitted with the limit strip 2b 1.
The lifting column 2c vertically and limitedly slides relative to the fixed cylinder 2b through the limiting strip 22 and the limiting strip 2b1, so that the lifting column 2c is not easy to rotate relative to the fixed cylinder 2b along the circumferential direction, and the abutting and centering process is more stable.
As shown in fig. 7 and 10, the top end of the circumferential surface of the lifting column 2c is provided with a chamfer 2c 3.
The top end of the circumferential surface of the lifting column 2c is provided with the chamfer 2c3, so that the machine shell can be more easily vertically abutted on the sliding ring 3a, and the outer circumferential corners of the lifting column 2c are prevented from scratching the inner circumference of the machine shell.
As shown in fig. 5, the outer end of the rotating shaft 2k is also coaxially provided with a rotating disc 2k1 for rotation.
The rotating shaft 2k can be conveniently rotated by a worker through the rotary disc 2k1, so that the height of the lifting column 2c can be conveniently adjusted.
The working principle of the invention is as follows:
the device realizes the functions of the invention through the following steps, thereby solving the technical problems provided by the invention:
firstly, before work begins, the lifting column base 2 and a lathe tool rest are coaxially arranged at the bottom of the lifting column base;
step two, starting the second hydraulic cylinder 2e to enable the working end to lift the lifting column 2c to enable the lifting column to vertically lift along the axial direction, so that the working end is higher than the top end of the placing sliding table 3;
vertically placing the shell on the sliding ring 3a through suspension equipment, wherein the shell is not coaxial with the lifting column platform 2 and the sliding ring 3a due to suspension, and the working end of the lifting column platform 2 is coaxially inserted at the bottom end in the shell;
step four, starting the first hydraulic cylinder 2d, so that the first telescopic abutting frame 2a arranged on the outer periphery of the working end of the lifting column platform 2 extends out synchronously along the radial direction, and abuts against the inner periphery of the machine shell, namely when the first travel switches 2a1 abut against the outer periphery of the machine shell, and the machine shell is placed on a sliding ring 3a capable of sliding relative to the outer periphery of the top end of the lifting column platform 2, the machine shell and the sliding ring 3a slide on the placing and fixing platform 1 synchronously, and the machine shell and the lifting column platform 2 are coaxial due to the triangular positioning effect, so that a lathe tool rest and the machine shell can be concentric; by rotatably arranging the ball 3c in the combined groove of the semicircular groove 1b and the first limit groove 3b1, the sliding ring 3a can slide on the ball 3c relative to the fixed ring 3b, so that when a heavy machine case is vertically placed on the sliding ring 3a, the machine case can freely slide in the horizontal direction, thereby facilitating centering;
and step five, starting the third hydraulic cylinder 4d, enabling the working end of the third hydraulic cylinder to push the second telescopic abutting frame 4a to be abutted to the periphery of the shell along the radial direction until the second travel switch 4a1 is abutted to the periphery of the shell, driving the working ends of the first hydraulic cylinder 2d and the second hydraulic cylinder 2e to be successively reset, and accordingly, three radial abutting devices 4 are respectively abutted in a labor division manner, so that the shells with different peripheral structures can be abutted and fixed at the top end of the placing and fixing table 1, the purpose of centering and clamping processing is achieved, and the working ends of the first hydraulic cylinder 2d and the second hydraulic cylinder 2e are reset, so that the working ends of the first hydraulic cylinder 2d and the second hydraulic cylinder 2e can be prevented.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A centering device for machining of a shell of a wind driven generator is characterized by comprising:
placing a fixed table (1);
the lifting column platform (2) is coaxially arranged in the placing and fixing platform (1), the working end of the lifting column platform (2) can coaxially and vertically lift, three first telescopic abutting frames (2a) capable of freely stretching along the radial direction are uniformly distributed on the periphery of the working end of the lifting column platform (2), and a first travel switch (2a1) with the working end back to the axis of the placing and fixing platform (1) is arranged at the outer end of each first telescopic abutting frame (2 a);
the placing sliding table (3) is coaxially arranged at the top end of the placing fixing table (1), the working end of the placing sliding table (3) comprises a sliding ring (3a) capable of sliding along the periphery of the top end of the lifting column table (2), and the inner diameter of the sliding ring (3a) is larger than the outer diameter of the lifting column table (2);
three radial butt ware (4), fixed station (1) periphery is being placed along the axis equipartition in radial butt ware (4), radial butt ware (4) working end is including the flexible butt frame of second (4a) along radial direction towards lift stylobate (2) axis, the flexible butt frame of second (4a) is provided with second travel switch (4a1) of working end towards its axis towards lift stylobate (2) axis end.
2. A wind generator casing machining and centering device according to claim 1, characterized in that the lifting column (2) further comprises:
the fixed cylinder (2b), the said fixed cylinder (2b) is fixed and set up in placing the stationary table (1) coaxially;
the lifting column (2c) is coaxially and slidably arranged in the first telescopic abutting frame (2a), three radially arranged accommodating grooves (2c1) are uniformly distributed at the top end of the circumferential surface of the lifting column (2c), and the first telescopic abutting frame (2a) is radially and slidably arranged in the accommodating grooves (2c 1);
the first hydraulic cylinder (2d) is arranged in the placement groove (2c1), and the working end of the first hydraulic cylinder (2d) is fixedly connected with the inner end of the first telescopic abutting frame (2a) along the radial direction;
the output shaft of the second hydraulic cylinder (2e) is vertically arranged upwards at the bottom end inside the fixed cylinder (2b), and the output shaft of the second hydraulic cylinder (2e) is coaxially and fixedly connected with the bottom end of the lifting column (2 c).
3. The machining and centering device for the casing of the wind driven generator as claimed in claim 1, wherein the inner circumference of the placing and fixing table (1) is provided with a sliding groove (1a) along the radial direction, and the lifting column platform (2) further comprises:
the mounting plate (2f) is coaxially arranged at the bottom end of the lifting column (2c) and is coaxially and fixedly connected with an output shaft of the second hydraulic cylinder (2e), and a butting lug (2f1) vertically matched with the sliding groove (1a) in a sliding manner is radially arranged on the surface of the mounting plate (2 f);
the two ends of the threaded column (2g) are coaxially and rotatably arranged in the sliding groove (1a) with the placing and fixing table (1) through the rotating seat (2 h);
the L-shaped support (2i) is vertically arranged in the sliding groove (1a) in a sliding mode along the axial direction, and a nut (2i1) which is screwed with the threaded column (2g) in a coaxial threaded mode is arranged on the L-shaped support (2 i);
the working end of the third stroke switch (2j) is vertically arranged on one side of the L-shaped bracket (2i) downwards, the third stroke switch (2j) is positioned at the top of the abutting lug (2f1), and the third stroke switch (2j) is electrically connected with the controller;
the rotating shaft (2k) penetrates through the sliding groove (1a) along the radial direction and is rotatably arranged in the placing and fixing table (1);
the thread-cutting machine comprises a first bevel gear (2m) and a second bevel gear (2n), wherein the first bevel gear (2m) is coaxially and fixedly arranged at the inner end of a rotating shaft (2k), the second bevel gear (2n) is coaxially and fixedly arranged at one end of a threaded column (2g), and the axes of the first bevel gear (2m) and the second bevel gear (2n) are vertical and are meshed with each other.
4. The machining and centering device for the shell of the wind driven generator as claimed in claim 1, wherein semicircular grooves (1b) are uniformly distributed at the top end of the placing and fixing table (1); the placing sliding table (3) further comprises:
the fixing ring (3b) is coaxially and fixedly arranged at the top end of the placing fixing table (1), and first limiting grooves (3b1) which are coaxial with the semicircular grooves (1b) and have gradually reduced inner diameters from bottom to top are uniformly distributed in the fixing ring (3 b);
the lifting column (2c) is coaxially and rotatably arranged in the combination groove of the semicircular groove (1b) and the first limiting groove (3b1), the top end of the ball (3c) is higher than that of the fixed ring (3b), and the sliding ring (3a) is slidably arranged at the top end of the ball (3 c).
5. The centering device for machining the casing of the wind driven generator as claimed in claim 1, wherein the top end of the sliding ring (3a) is uniformly provided with a convex strip (3a1) along the radial direction.
6. A wind generator casing machining and centring device according to claim 1, characterised in that the radial abutments (4) further comprise:
three placing tables (4b), wherein the placing tables (4b) are uniformly distributed on the periphery of the placing and fixing table (1) along the radial direction;
the guide rail (4c) is fixedly arranged at the top end of the placing table (4b) along the radial direction of the placing and fixing table (1), and the second telescopic abutting frame (4a) is fixedly arranged at the top end of a sliding block of the guide rail (4c) along the radial direction;
a third hydraulic cylinder (4d), wherein the third hydraulic cylinder (4d) is arranged at the top end of the placing table (4b) along the radial direction, and the working end of the third hydraulic cylinder (4d) is fixedly connected with the outer end of the second telescopic abutting frame (4 a);
and the limiting frame (4e) is fixedly arranged at the top end of the placing table (4b) in a sliding fit manner with the outer side of the second telescopic abutting frame (4 a).
7. The machining and centering device for the shell of the wind driven generator as claimed in claim 1, wherein abutting ends of the first telescopic abutting frame (2a) and the second telescopic abutting frame (4a) are opposite to a radial vertical surface of the placing and fixing table (1).
8. The machining centering device for the machine shell of the wind driven generator as claimed in claim 2, wherein the inner circumference of the fixed cylinder (2b) is uniformly provided with a limit strip (2b1) which is set along the axial direction, and the outer circumference of the lifting column (2c) is provided with a second limit groove (2c2) which is vertically matched with the limit strip (2b1) in a sliding way.
9. The wind driven generator shell machining centering device of claim 2, wherein the top end of the circumferential surface of the lifting column (2c) is provided with a chamfer (2c 3).
10. The wind driven generator shell machining centering device is characterized in that the outer end of the rotating shaft (2k) is also coaxially provided with a rotating disc (2k1) for facilitating rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011249033.1A CN112453967A (en) | 2020-11-10 | 2020-11-10 | Centering device for machining of wind driven generator shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011249033.1A CN112453967A (en) | 2020-11-10 | 2020-11-10 | Centering device for machining of wind driven generator shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112453967A true CN112453967A (en) | 2021-03-09 |
Family
ID=74825339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011249033.1A Withdrawn CN112453967A (en) | 2020-11-10 | 2020-11-10 | Centering device for machining of wind driven generator shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112453967A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115327659A (en) * | 2021-12-10 | 2022-11-11 | 江苏瑞亿石油机械有限公司 | Geological detection device for oil exploitation |
-
2020
- 2020-11-10 CN CN202011249033.1A patent/CN112453967A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115327659A (en) * | 2021-12-10 | 2022-11-11 | 江苏瑞亿石油机械有限公司 | Geological detection device for oil exploitation |
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Application publication date: 20210309 |
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