CN109648370B - Novel hydraulic system's blade anchor clamps - Google Patents
Novel hydraulic system's blade anchor clamps Download PDFInfo
- Publication number
- CN109648370B CN109648370B CN201910133376.2A CN201910133376A CN109648370B CN 109648370 B CN109648370 B CN 109648370B CN 201910133376 A CN201910133376 A CN 201910133376A CN 109648370 B CN109648370 B CN 109648370B
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- blade
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- shaped
- pressing
- blade root
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- 238000003825 pressing Methods 0.000 claims abstract description 100
- 239000010720 hydraulic oil Substances 0.000 claims description 11
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000001934 delay Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
Classifications
-
- 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
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
- B23Q3/063—Work-clamping means adapted for holding workpieces having a special form or being made from a special material for holding turbine blades
-
- 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
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shearing Machines (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a novel blade clamp of a hydraulic system, which comprises a blade root support plate and a blade tip support plate which are vertically arranged on a bottom plate and are opposite to each other, wherein a support piece is arranged on the bottom plate and positioned between the blade root support plate and the blade tip support plate and corresponds to the position of a blade back, and the support piece is vertically arranged and can move up and down; a first pressing plate and a second pressing plate are arranged above the blade root support plate in parallel, the first pressing plate is positioned above the blade root, the second pressing plate is positioned above the blade root close to the air inlet edge, a third pressing plate is arranged above the blade tip support plate, opposite ends of the pressing plates are pressing ends for downwards pressing the blades, the outer ends of the pressing plates are hydraulic ends connected with a hydraulic system, and a supporting piece is connected to the hydraulic system through a pipeline; according to the invention, the hydraulic system is arranged to fix all parts of the blade, so that the stability of blade fixing is ensured, the clamping is reliable, and the processing quality of the blade is improved; the operation is simple, and the working strength of workers is reduced.
Description
[ field of technology ]
The invention belongs to the technical field of mechanical cutting machining clamps, and particularly relates to a novel blade clamp of a hydraulic system.
[ background Art ]
The blade is a very important part in aero-engine parts, and the blade is required to be milled in production and processing to meet the technological requirements of products. When milling the blade air inlet and outlet edges by using a milling machine, the blade is required to be clamped and fixed, and because the blade is complex and irregular in shape and has great difference from common parts, particularly, the blade is precisely forged, and the blade body has no allowance for precision forging, the blade has high requirements on clamping clamps. The traditional clamp is simple in structure, good fixing cannot be formed on certain blades, clamping reliability is poor, and processing quality of the blades is affected. A good solution is needed to improve efficiency and stabilize quality.
[ invention ]
The invention aims to provide a novel blade clamp of a hydraulic system, which aims to solve the problem that clamping and machining of large-shaft-neck blades are difficult to realize.
The invention adopts the following technical scheme: the blade clamp comprises a blade root support plate and a blade tip support plate which are vertically arranged on a bottom plate and are opposite to each other, free ends of the blade root support plate and the blade tip support plate are respectively attached to blade bodies of blades through molded surfaces and are respectively used for supporting blade roots and blade tips of the blades, supporting pieces are arranged on the bottom plate and positioned between the blade root support plate and the blade tip support plate and correspond to positions of blade backs, and the supporting pieces are vertically arranged and can move up and down;
a first pressing plate and a second pressing plate are arranged above the blade root support plate in parallel, the first pressing plate is positioned above the blade root, the second pressing plate is positioned above the blade root close to the air inlet edge, a third pressing plate is arranged above the blade tip support plate, opposite ends of the pressing plates are pressing ends for downwards pressing the blades, the outer ends of the pressing plates are hydraulic ends connected with a hydraulic system, and a supporting piece is connected to the hydraulic system through a pipeline; the hydraulic system is used for controlling the compression end of each pressing plate and the supporting piece to compress the corresponding part of the blade.
Further, a supporting block is arranged on the left side and the right side of the bottom plate respectively, the first pressing plate and the third pressing plate are correspondingly hinged on the supporting blocks on the corresponding sides, and swing is carried out by taking the hinged mounting points as supporting points, and the blades are compressed.
Further, cross-shaped sliding grooves are formed in the side surfaces, close to the blades, of each supporting block, vertical grooves of each cross-shaped sliding groove are used for installing V-shaped clamping plates, transverse grooves of each cross-shaped sliding groove are used for installing wedge-shaped plates, the tops of the V-shaped clamping plates are V-shaped and extend out of the upper parts of the vertical grooves, the tops of the V-shaped clamping plates are inclined surfaces, and one end of each wedge-shaped plate is an inclined surface which is attached to the inclined surface at the bottom of each V-shaped clamping plate; each V-shaped clamping plate is used for clamping the axle journals of the blade root and the blade tip respectively, and the wedge-shaped plate is used for sliding in the transverse groove through the wedge-shaped clamping plates and enabling the V-shaped grooves of the V-shaped clamping plates to be in fit with the axle journals between the blades.
Further, vertical stud bolts are fixedly connected to the positions, corresponding to the second pressing plates, on the bottom plate, the strip-shaped through holes are formed in the ends, close to the blades, of the second pressing plates, free ends of the stud bolts penetrate through the through holes, bolts are connected to the upper ends of the stud bolts in a threaded mode, the free ends of the stud bolts are fixed in the strip-shaped through holes, the stud bolts are used for swinging the two ends of the second pressing plates by taking fixing points of the stud bolts as supporting points, and the blade is pressed and fixed.
Further, a positioning ball is arranged on the side face of the blade root support plate and corresponds to the inner edge plate face of the blade, and the positioning ball is used for supporting the edge plate of the blade to limit the axial displacement of the blade.
Further, a bottom plate key groove is formed in the bottom plate, the blade root support plate, the blade tip support plate and the bottom surfaces of the support blocks are provided with mounting key grooves along the arrangement direction of the blade root support plate, the blade tip support plate and the bottom surfaces of the support blocks, the blade tip support plate further comprises a bar-shaped key block, the lower section of the bar-shaped key block is arranged in the bottom plate key groove, the upper section of the bar-shaped key block is movably matched with the mounting key grooves, and the relative positions of the blade root support plate, the blade tip support plate and the support blocks are adjusted by adjusting the positions of the mounting key grooves on the bar-shaped key block.
Further, a sequence valve is mounted on the hydraulic line leading to the support for delaying the time for which hydraulic oil flows to the support.
Further, each supporting block is close to the top surface of the blade and is sunken downwards, the top surface of each supporting block is in a step shape, the top end of the V-shaped clamping plate is higher than the top surface of the step, and the top surface of the step, the top surface of the blade tip support plate and the top surface of the blade root support plate are in the same plane.
The beneficial effects of the invention are as follows: the hydraulic system is arranged to fix all parts of the blade, so that the structure is ingenious, reasonable and convenient to use; according to the invention, the sequence valve is arranged, so that the time for hydraulic oil to reach the support piece is delayed, the stability of blade fixing is ensured, the clamping is reliable, and the processing quality of the blade is improved; the operation is simple, the working intensity of workers is reduced, the productivity is improved, and the method is particularly suitable for mass and automatic production lines.
[ description of the drawings ]
FIG. 1 is a general view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a top view of the present invention;
FIG. 4 is a schematic view of a blade according to the present invention;
fig. 5 is a schematic structural view of the card and wedge plate of the present invention.
Wherein: 1. a bottom plate; 2. blade root support plates; 3. a blade tip support plate; 4. a support block; 5. a blade; 51. blade root; 52. blade tip; 53. an air inlet edge; 54. an exhaust edge; 6. a transfer block; 7. a support; 8. a first platen; 9. a second pressing plate; 10. a third platen; 11. a compacting end; 12. a hydraulic end; v-shaped clamping plate; 14. wedge plate; 15. a handle; 16. a double-ended stud; 17. a bar-shaped through hole; 18. a positioning ball; 19. a sequence valve; 20. a first clamp; 21. a second clamp; 22. a third clamp; 23. and a baffle.
[ detailed description ] of the invention
The invention will be described in detail below with reference to the drawings and the detailed description.
The invention discloses a blade clamp of a novel hydraulic system, which is shown in fig. 1, and comprises a blade root support plate 2 and a blade tip support plate 3 which are vertically arranged on a bottom plate 1 and are opposite to each other, wherein the free ends of the blade root support plate 2 and the blade tip support plate 3 are respectively attached to blade bodies of blades 5 through profiles and are respectively used for supporting blade roots 51 and blade tips 52 of the blades 5, namely, the free ends of the blade root support plate 2 are attached to the blade roots 51 through the profiles, the free ends of the blade tip support plate 3 are attached to the blade tips 52 through the profiles, the blade root support plate 2 and the blade tip support plate 3 are respectively used for supporting the blade roots 51 and the blade tips 52 of the blades 5, namely, the blade root support plate 2 is used for supporting the blade root 51 of the blades 5, and the blade tip support plate 3 is used for supporting the blade tip 52 of the blades 5.
Although the blade root 51 and the blade tip 52 are supported, if the back of the blade 5 is not supported, the blade 5 is easy to be uneven when the blade 5 is fixed, so that the supporting piece 7 is arranged on the bottom plate 1 and between the blade root support plate 2 and the blade tip support plate 3 at the position corresponding to the blade back, and the supporting piece 7 is vertically arranged and can move up and down; the support piece 7 is used for auxiliary stay blade body for the blade 5 is steady to be arranged in on support piece 7, blade root extension board 2 and the apex extension board 3, and support piece 7 is connected to hydraulic system through the pipeline, and hydraulic system is used for controlling the up-and-down motion of support piece 7 piston rod through hydraulic pressure and fixes the corresponding position of blade 5.
The blade root support plate 2 is provided with a first pressing plate 8 and a second pressing plate 9 in parallel above, the first pressing plate 8 is located above the blade root 51, the second pressing plate 9 is located above the blade root 51 close to the air inlet edge 53, the blade tip support plate 3 is provided with a third pressing plate 10 above, opposite ends of the pressing plates are pressing ends 11 used for pressing down the blades 5, outer ends of the pressing plates are hydraulic ends 12 connected with a hydraulic system, and the hydraulic system is further used for controlling the pressing ends 11 of the pressing plates to press corresponding parts of the blades 5.
Although the blade root 51, the blade tip 52 and the blade back are supported, the axial movement of the blade 5 is not fixed, and therefore, the positioning balls 18 are arranged on the side surface of the blade root support plate 2 at positions corresponding to the inner edge plate surfaces of the blade 5, the positioning balls 18 are used for supporting the edge plates of the blade 5 to limit the axial displacement of the blade 5, the free ends of the positioning balls 18 are spherical, and the positioning balls 18 are used for supporting the edge plates of the blade 5 to limit the axial displacement of the blade 5.
As shown in fig. 2, the free end of the blade root support plate 2 is respectively provided with a first bulge and a second bulge which are attached to the molded surface of the blade 5, the first bulge is used for supporting the blade body air inlet side 53 side of the blade 5, the second bulge is used for supporting the blade body air outlet side 54 side of the blade 5, the upper part of the blade root support plate 2 is provided with a first pressing plate 8 and a second pressing plate 9, the first pressing plate 8 is positioned above the blade root 51, the second pressing plate 9 is positioned above the blade root 51 close to the air inlet side 53, the upper part of the blade tip support plate 3 is provided with a third pressing plate 10, one end of each pressing plate is a pressing end 11 used for pressing down the blade 5, the other end of each pressing plate is a hydraulic end 12 connected with a hydraulic system, and the hydraulic system is used for controlling the movement of the hydraulic end 12 to press corresponding parts of the blade 5, so that the first bulge and the first pressing plate 8 are mutually matched to press the blade root 51 of the blade 5, and the second bulge and the second pressing plate 9 are mutually matched to press the blade tip 52 of the blade 5.
Although the pressing plate and the protrusions are provided for fixing the blade body, if the blade 5 is to be detached or replaced with another blade 5, the operation is difficult, so that the left and right sides of the base plate 1 are respectively provided with a supporting block 4, the first pressing plate 8 and the third pressing plate 10 are correspondingly hinged on the supporting blocks 4 on the corresponding sides, and swing around the hinged mounting points as supporting points, and press the blade 5; the positions of the bottom plate 1 corresponding to the first pressing plate 8 and the third pressing plate 10 are respectively provided with a supporting block 4, each supporting block 4 is respectively located under the third pressing plate 10 of the first pressing plate 8 and fixedly connected with the bottom plate 1, each supporting block 4 is respectively hinged with the corresponding first pressing plate 8 and the corresponding third pressing plate 10, namely, the free end of each supporting block 4 is respectively hinged with the corresponding first pressing plate 8 and the corresponding third pressing plate 10 of each supporting block 4, the two ends of each supporting block 4, which are used for the corresponding pressing plates, swing by taking the hinging point as a pivot, press the blade 5, so that the two ends of the first pressing plate 8 and the third pressing plate 10 swing up and down by taking the hinging point as the pivot, and the pressing end 11 of each pressing plate presses the blade body of the corresponding blade 5 through the jacking and pulling actions of the hydraulic system on the hydraulic end 12 of each pressing plate.
Through the above-mentioned arrangement that both ends of the third pressing plate 10 of the first pressing plate 8 can swing up and down, then the second pressing plate 9 needs to be arranged as such, as shown in fig. 4, because the size of the blade 5 is smaller, there is a certain difficulty in arranging the supporting block 4 at the position of the second pressing plate 9, furthermore, because the blade root 51 and the blade tip 52 are already compressed, the force required to be compressed at the exhaust edge 54 does not need to be too large, so that the position of the bottom plate 1 corresponding to the second pressing plate 9 is fixedly connected with the vertical stud 16, the second pressing plate 9 is smaller than the first pressing plate 10, the end of the second pressing plate 9 close to the blade 5 is provided with the strip-shaped through hole 17, the free end of the stud 16 passes through, the upper end of the stud 16 is connected with a bolt in a threaded manner, the free end of the stud 16 is fixed in the strip-shaped through hole 17, the stud 16 is used for swinging both ends of the second pressing plate 9 with the fixing points thereof as the supporting points, and fixing the blade 5 is fixed, thus the arrangement can ensure that both ends of the second pressing plate 9 can swing, so as to adjust the exhaust position of the blade 5 or the exhaust edge 54 of the blade 5.
Although the blade root 51 and the blade body part of the blade 5 are fixed through the pressing plate, because the journal type blade 5 is arranged, the journal positions of the blade root 51 and the blade tip 52 are positioned at two ends of the blade body, and the journal positions of the blade root 51 and the blade tip 52 are not correspondingly supported and fixed, a cross-shaped chute is formed on the side surface of each supporting block 4, which is close to the blade 5, a vertical groove of each cross-shaped chute is used for installing the V-shaped clamping plate 13, a transverse groove of each cross-shaped chute is used for installing the wedge-shaped plate 14, the top of the V-shaped clamping plate 13 is V-shaped and extends out above the vertical groove, the top is inclined surface, and one end of the wedge-shaped plate 14 is an inclined surface which is fit with the inclined surface at the bottom of the V-shaped clamping plate 13; each V-shaped clamping plate 13 is used for clamping the axle journals of the blade root 51 and the blade tip 52 respectively, the wedge-shaped plate 14 is used for sliding in the transverse grooves through the V-shaped clamping plates, the axle journals between the V-shaped grooves of the V-shaped clamping plates 13 and the blades 5 are attached, the free ends of the wedge-shaped plates 14 are further connected with handles 15, the handles 15 are used for controlling the handles to move in the grooves, the axle journals of the blade root 51 and the blade tip 52 are fixed, and each V-shaped clamping plate 13 clamps the axle journals of the blade root 51 and the blade tip 52 into the bottoms of the V-shapes.
As shown in fig. 5, in order to ensure that the V-shaped clamping plate 13 and the wedge plate 14 in the cross-shaped chute are not separated, a baffle plate 23 is arranged at a position corresponding to the cross-shaped chute, the baffle plate 23 is fixedly connected to each supporting block 4, and the baffle plate 23 is used for keeping the V-shaped clamping plate 13 and the wedge plate 14 to slide in the cross-shaped chute without separating from the cross-shaped chute, so that the axle neck part of the blade 5 is ensured to be attached to the V-shaped groove of the V-shaped clamping plate 13.
The blades 5 have six degrees of freedom, the V-shaped clamping plates 13 fix radial movement and downward movement of the blades 5, the positioning balls 18 fix axial movement of the blades 5, and the pressing plates fix turning and upward movement of the blades 5, so that the blades 5 are completely fixed.
The top surfaces of the supporting blocks 4 close to the blades 5 are recessed downwards to form a step shape with the top surfaces of the supporting blocks 4, the top ends of the V-shaped clamping plates 13 are higher than the top surfaces of the steps, and the top surfaces of the steps are in the same plane with the top surfaces of the blade tip supporting plates 3 and the blade tip supporting plates 2, so that the journal positions of the blade tips 51 and 52 can be ensured to be positioned on the V-shaped clamping plates 13, and the journal positions of the blade tips 51 and 52 are placed in space on the supporting blocks 4, so that the operation is convenient.
The bottom plate 1 is provided with a bottom plate key slot, the bottom surfaces of the blade root support plate 2, the blade tip support plate 3 and the support blocks 4 are provided with mounting key slots along the arrangement direction of the blade root support plate 2, the blade tip support plate 3 and the support blocks, the blade root support plate also comprises bar key blocks, the lower sections of the bar key blocks are arranged in the bottom plate key slots, the upper sections of the bar key blocks are movably matched with the mounting key slots, and the relative positions of the blade root support plate 2, the blade tip support plate 3 and the support blocks 4 are adjusted by adjusting the positions of the mounting key slots on the bar key blocks.
As shown in fig. 3, the hydraulic system of the present invention is composed of push type clamps, a sequence valve 19, an adapter 6, a connector and a hydraulic oil pipeline, wherein the adapter 6 is positioned at the edge of the bottom plate 1, the inlet of the adapter 6 is connected to an external hydraulic source, the outlet oil pipe of the adapter 6 is divided into three paths by a four-way connector, the three paths are respectively connected to a first clamp 20 positioned near the blade root 51, a third clamp 22 positioned near the blade tip 52 and a support 7 positioned in the middle of the blade body, the pipeline leading to the first clamp 20 is also connected to a second clamp 21 positioned near the air inlet edge 53 of the blade 5 by a three-way cutting sleeve connector, and the piston rods of the first, second and third clamps 22 are respectively connected with the hydraulic ends 12 of the corresponding first, second and third pressing plates 10; that is, the piston rod of the first clamping device 20 is connected with the hydraulic end 12 of the corresponding first pressing plate 8, the piston rod of the second clamping device 21 is connected with the hydraulic end 12 of the corresponding second pressing plate 9, the piston rod of the third clamping device 22 is connected with the hydraulic end 12 of the corresponding third pressing plate 10, and the blade root 51, the blade tip 52 and the air inlet edge 53 are firstly fixed in the fixing process, so that a sequence valve 19 is required to be installed on a hydraulic pipeline leading to the supporting piece 7, the sequence valve 19 is used for delaying the time of hydraulic oil flowing to the supporting piece 7, the sequence valve 19 delays the hydraulic oil passing through the supporting piece 7 by a few seconds, and therefore, the sufficient fixing of the blade 5 can be ensured, and the phenomenon of uneven blade 5 is avoided.
The hydraulic oil enters the first clamping device 20, the third clamping device 22 and the sequence valve 19 through the four-way clamping sleeve joint respectively, the pipeline leading to the first clamping device 20 is connected to the second clamping device 21 through the three-way clamping sleeve joint, at the moment, the hydraulic oil almost simultaneously reaches the first clamping device 20, the second clamping device 21, the third clamping device 22 and the sequence valve 19, piston rods of the first clamping device 20, the second clamping device 21 and the third clamping device 22 move upwards due to the pressure of the hydraulic oil, the hydraulic ends 12 of the first pressing plate 8, the second pressing plate 9 and the third pressing plate 10 are pushed upwards at the same time, the pressing ends 11 of the pressing plates move downwards to press the blade bodies of the blades 5 to fix, after the sequence valve 19 delays the hydraulic oil reaching the supporting piece 7, the blade roots 51 and the blade tips 52 of the blades 5 are fixed, at the moment, the hydraulic oil reaches the supporting piece 7, the piston rods of the supporting piece 7 move upwards to jack the blade backs, and further fix the blades 5.
Claims (3)
1. The utility model provides a novel hydraulic system's blade anchor clamps, its characterized in that, including perpendicular setting up relative blade root extension board (2) and the apex extension board (3) on bottom plate (1), the free end of blade root extension board (2) and apex extension board (3) is laminated through the blade body of profile and blade (5) respectively to be used for supporting blade root (51) and apex (52) of blade (5) respectively, on bottom plate (1), and be located between blade root extension board (2) and apex extension board (3), correspond the position of back of the blade be provided with support piece (7), support piece (7) vertical setting, and can reciprocate;
a first pressing plate (8) and a second pressing plate (9) are arranged above the blade root support plate (2) in parallel, the first pressing plate (8) is located above the blade root (51), the second pressing plate (9) is located above the blade root (51) close to the air inlet edge (53), a third pressing plate (10) is arranged above the blade tip support plate (3), the opposite ends of the pressing plates are pressing ends (11) for downwards pressing the blades (5), the outer ends of the pressing plates are hydraulic ends (12) connected with a hydraulic system, and the supporting piece (7) is connected to the hydraulic system through a pipeline; the hydraulic system is used for controlling the compression end (11) of each pressing plate and the supporting piece (7) to compress the corresponding part of the blade (5);
the vertical double-end stud (16) is fixedly connected to the position, corresponding to the second pressing plate (9), on the bottom plate (1), a strip-shaped through hole (17) is formed in one end, close to the blade (5), of the second pressing plate (9), the free end of the double-end stud (16) penetrates through the through hole, a bolt is connected to the upper end of the double-end stud (16) in a threaded mode, the bolt is used for fixing the free end of the double-end stud (16) in the strip-shaped through hole (17), and the double-end stud (16) is used for swinging the two ends of the second pressing plate (9) by taking the fixing points of the double-end stud (16) as supporting points and compacting and fixing the blade (5);
the left and right sides of the bottom plate (1) are respectively provided with a supporting block (4), the first pressing plate (8) and the third pressing plate (10) are correspondingly hinged on the supporting blocks (4) at the corresponding sides, swing by taking the hinged mounting points as fulcrums, and compress the blades (5);
the side surface of each supporting block (4) close to the blade (5) is provided with a cross-shaped chute, the vertical groove of each cross-shaped chute is used for installing a V-shaped clamping plate (13), the transverse groove of each cross-shaped chute is used for installing a wedge-shaped plate (14), the top of each V-shaped clamping plate (13) is V-shaped and extends out above the vertical groove, the top of each V-shaped clamping plate is inclined, one end of each wedge-shaped plate (14) is an inclined surface which is attached to the inclined surface at the bottom of each V-shaped clamping plate (13); the V-shaped clamping plates (13) are respectively used for clamping the axle journals of the blade root (51) and the blade tip (52), and the wedge-shaped plates (14) are used for sliding in the transverse grooves through the wedge-shaped plates, so that the axle journals between the V-shaped grooves of the V-shaped clamping plates (13) and the blades (5) are jointed;
a positioning ball (18) is arranged on the side surface of the blade root support plate (2) and corresponds to the inner edge plate surface of the blade (5), and the positioning ball (18) is used for propping against the edge plate of the blade (5) to limit the axial displacement of the blade (5);
the blade root support plate comprises a blade root support plate (2), blade tip support plates (3) and support blocks (4), and is characterized in that a bottom plate key groove is formed in the bottom plate (1), the bottom surfaces of the blade root support plate (2), the blade tip support plates (3) and the support blocks (4) are provided with mounting key grooves along the arrangement direction of the blade root support plates, the blade root support plates further comprise bar-shaped key blocks, the lower sections of the bar-shaped key blocks are mounted in the bottom plate key grooves, the upper sections of the bar-shaped key blocks are movably matched with the mounting key grooves, and the relative positions of the blade root support plates (2), the blade tip support plates (3) and the support blocks (4) are adjusted by adjusting the positions of the mounting key grooves on the bar-shaped key blocks.
2. A new hydraulic system of vane clamps according to claim 1, characterized in that a sequence valve (19) is mounted on the hydraulic line leading to the support (7), said sequence valve (19) being adapted to delay the time for hydraulic oil to flow to the support (7).
3. The blade clamp of the novel hydraulic system according to claim 2, wherein each supporting block (4) is recessed downwards near the top surface of the blade (5), and is stepped with the top surface of each supporting block (4), the top end of the V-shaped clamping plate (13) is higher than the top surface of the step, and the top surface of the step is in the same plane with the top surfaces of the blade tip support plate (3) and the blade root support plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910133376.2A CN109648370B (en) | 2019-02-22 | 2019-02-22 | Novel hydraulic system's blade anchor clamps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910133376.2A CN109648370B (en) | 2019-02-22 | 2019-02-22 | Novel hydraulic system's blade anchor clamps |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109648370A CN109648370A (en) | 2019-04-19 |
| CN109648370B true CN109648370B (en) | 2024-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910133376.2A Active CN109648370B (en) | 2019-02-22 | 2019-02-22 | Novel hydraulic system's blade anchor clamps |
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| CN (1) | CN109648370B (en) |
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| CN111975430B (en) * | 2020-08-11 | 2021-10-12 | 台州松普数控科技有限公司 | Reversing mechanism for numerical control machine tool |
| CN113681322A (en) * | 2021-09-29 | 2021-11-23 | 中国航发动力股份有限公司 | Blade positioning key end face machining clamping device and method |
| CN113829093B (en) * | 2021-10-09 | 2024-05-24 | 哈尔滨汽轮机厂有限责任公司 | Clamp for machining nickel-based material moving blade of marine steam turbine and interference machining method |
| CN113977328A (en) * | 2021-11-10 | 2022-01-28 | 青岛卡沃斯智能制造有限公司 | Tank track movable support technological equipment system |
| CN114074293B (en) * | 2021-12-13 | 2022-10-18 | 中国航发南方工业有限公司 | Positioning and clamping fixture for processing shrouded blade |
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| CN208866837U (en) * | 2019-02-22 | 2019-05-17 | 西安安泰叶片技术有限公司 | A kind of blade holder of novel hydraulic system |
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| CN103659378A (en) * | 2013-12-13 | 2014-03-26 | 无锡透平叶片有限公司 | Universal clamp device for vane overall length machining |
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| CN206263658U (en) * | 2016-12-09 | 2017-06-20 | 无锡航亚科技股份有限公司 | The special fixture on steam discharge side is entered in a kind of finish forge blade milling |
| CN208866837U (en) * | 2019-02-22 | 2019-05-17 | 西安安泰叶片技术有限公司 | A kind of blade holder of novel hydraulic system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109648370A (en) | 2019-04-19 |
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