CN216179841U - Gantry type clamp for processing tooth form of longitudinal tree type blade root - Google Patents

Gantry type clamp for processing tooth form of longitudinal tree type blade root Download PDF

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Publication number
CN216179841U
CN216179841U CN202122384913.6U CN202122384913U CN216179841U CN 216179841 U CN216179841 U CN 216179841U CN 202122384913 U CN202122384913 U CN 202122384913U CN 216179841 U CN216179841 U CN 216179841U
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China
Prior art keywords
blade root
positioning frame
longitudinal tree
tip
frame
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Active
Application number
CN202122384913.6U
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Chinese (zh)
Inventor
刘德良
李玉权
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Wuxi Aierfu Blade Co ltd
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Wuxi Aierfu Blade Co ltd
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Priority to CN202122384913.6U priority Critical patent/CN216179841U/en
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Abstract

The utility model discloses a gantry type fixture for processing the tooth form of a longitudinal tree type blade root, which comprises a bottom plate, a blade root positioning frame, a tip supporting frame and a tip, wherein the blade root positioning frame adopts a gantry type structure and can be vertically fixed at one end of the bottom plate in a dismounting way, the tip supporting frame can be assembled at the other end of the bottom plate close to or far away from the blade root positioning frame, the tip can be adjustably installed on the tip supporting frame, a positioning assembly is arranged on the blade root positioning frame, the longitudinal tree type blade root to be processed is horizontally placed in the blade root positioning frame and is fixed through the positioning assembly, and an adjustable equal-height block is arranged between the longitudinal tree type blade root and the blade root positioning frame. The gantry type clamp for processing the tooth profile of the longitudinal tree type blade root is convenient to clamp and ingenious in design; and the longitudinal tree-shaped blade root can be reliably positioned, the processing precision of the tooth form of the longitudinal tree-shaped blade root is ensured, and the universality is good.

Description

Gantry type clamp for processing tooth form of longitudinal tree type blade root
Technical Field
The utility model belongs to the technology of blade detection of axial flow compressors, and particularly relates to a gantry type fixture for processing the tooth form of a longitudinal tree type blade root.
Background
Both axial compressors and centrifugal compressors are speed compressors called turbine compressors; the meaning of the speed type compressor means that the working principle of the speed type compressor depends on the blades to do work on the gas, the flowing speed of the gas is greatly improved, and then the kinetic energy is converted into the pressure energy. By turbine compressors is meant that they all have blades that rotate at high speed.
The blade is a key part of the axial compressor and is one of the finest and most important parts. The existing fixture for processing the tooth profile of the longitudinal tree-shaped blade root has various types, but the defects of inconvenient clamping and poor tooth profile processing precision exist generally.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a gantry type clamp for processing a tooth form of a longitudinal tree-shaped blade root, and the gantry type clamp is used for solving the problems that the clamp for processing the tooth form of the longitudinal tree-shaped blade root in the prior art is inconvenient to clamp and poor in tooth form processing precision.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the gantry type fixture comprises a bottom plate, a blade root positioning frame, a tip supporting frame and a tip, wherein the blade root positioning frame is of a gantry type structure and can be vertically fixed at one end of the bottom plate in a dismounting mode, the tip supporting frame can be close to or far away from the other end of the bottom plate and is assembled at the other end of the bottom plate, the tip can be adjustably installed on the tip supporting frame, a positioning assembly is arranged on the blade root positioning frame, a longitudinal tree blade root to be machined is horizontally placed in the blade root positioning frame and is fixed through the positioning assembly, and an adjustable equal-height block is arranged between the longitudinal tree blade root and the blade root positioning frame.
Furthermore, the positioning assembly comprises a top compression bolt, a lateral compression bolt and an axial positioning block, the top compression bolt is installed on a cross beam of the blade root positioning frame to position the longitudinal tree-shaped blade root in the height direction, the lateral compression bolt is installed on a stand column of the blade root positioning frame to position the longitudinal tree-shaped blade root in the lateral direction, and the axial positioning block is installed on the outer side surfaces of two stand columns of the blade root positioning frame through screws to position the longitudinal tree-shaped blade root in the horizontal direction.
Furthermore, a plurality of strip-shaped fixing holes are formed in the bottom plate along the horizontal direction, the tip supporting frame is fixedly installed on the bottom plate through the fixing bolts and the fixing holes, and the distance between the tip supporting frame and the blade root positioning frame is adjusted by adjusting the installation positions of the fixing bolts in the fixing holes.
Further, an assembly hole is formed in the top of the tip support frame, a bushing is arranged in the assembly hole, a flange used for limiting the tip stroke is installed on the outer side face of the tip support frame through a bolt, and the tip penetrates through the flange and the bushing.
Further, two stands of blade root positioning frame extend to the outside along direction of height's middle part and have the limiting plate that the width reduces in proper order, it is right through the limiting plate indulge the tree-shaped blade root and stretch out the side direction of blade root positioning frame's part is fixed a position.
Furthermore, the blade root positioning frame and the bottom plate are positioned through a key slot and fixedly connected through a T-shaped bolt.
Compared with the prior art, the gantry type fixture for processing the tooth profile of the longitudinal tree-shaped blade root has the advantages of convenience in clamping and ingenious design; and the longitudinal tree-shaped blade root can be reliably positioned, the processing precision of the tooth form of the longitudinal tree-shaped blade root is ensured, and the universality is good.
Drawings
FIG. 1 is a schematic front view of a gantry fixture for machining a tooth profile of a longitudinal tree-shaped blade root according to an embodiment of the present invention;
FIG. 2 is a schematic top view of a gantry fixture for machining a tooth profile of a longitudinal tree root according to an embodiment of the present invention;
fig. 3 is a schematic side view of a gantry-type jig for machining a tooth profile of a longitudinal tree-shaped blade root according to an embodiment of the present invention.
Detailed Description
The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.
To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 3, in the present embodiment, a gantry fixture for processing a tooth profile of a longitudinal tree-shaped blade root is adapted to quickly and stably clamp a longitudinal tree-shaped blade root of a axial flow compressor during the tooth profile processing, the gantry fixture includes a bottom plate 1, a blade root positioning frame 2, a tip supporting frame 3 and a tip 4, the blade root positioning frame 2 is vertically installed at one end of the bottom plate 1 along a horizontal direction, and the specific installation manner is as follows: the blade root positioning frame 2 and the bottom plate 1 are positioned through a key slot 5 and fixedly connected through a T-shaped bolt 6. The blade root positioning frame 2 is of a gantry structure and comprises a cross beam and two stand columns, two top compression bolts 7 are arranged on the cross beam at intervals, and the vertical tree-shaped blade root 8 is positioned in the height direction through the top compression bolts 7. One of them stand is provided with a lateral clamp bolt 9, will indulge tree type blade root 8 tight top through lateral clamp bolt 9 in one side is fixed in blade root positioning frame 2, the upper portion outside of two stands all is equipped with an axial locating piece 10 through the screw, fix a position the one end of indulging tree type blade root 8 in the horizontal direction through axial locating piece 10, blade root positioning frame 2 extends the limiting plate 11 that the width reduces in proper order to the outside along the middle part of direction of height, limiting plate 11 wholly is horizontal isosceles trapezoid structure, on it, the lower bevel can not surpass the slot of indulging the profile of tooth of tree type blade root 8, fix a position the side direction of indulging the profile of tooth part that tree type blade root 8 stretches out blade root positioning frame 2 through limiting plate 11. An adjustable equal-height block 12 is arranged between the longitudinal tree-shaped blade root 8 and the blade root positioning frame 2, and the height of the longitudinal tree-shaped blade root 8 is adjusted through the adjustable equal-height block 12.
The centre support frame 3 is vertically installed at the other end of the bottom plate 1 along the horizontal direction, a plurality of strip-shaped fixing holes 13 are formed in the bottom plate 1 along the horizontal direction, the centre support frame 3 is fixedly installed on the bottom plate 1 through fixing bolts and the fixing holes 13, and the distance between the centre support frame 3 and the blade root positioning frame 2 is adjusted by adjusting the installation positions of the fixing bolts in the fixing holes 13. The assembly hole has been seted up at top support frame 3's top, is provided with bush 14 in the assembly hole, and installs through the bolt on top support frame 3's the lateral surface and be used for carrying out spacing flange 15 to top 4 strokes, and the hole of flange 15 is the screw hole, is provided with the screw thread section on top 4, and top 4 passes flange 15 and the setting of bush 14, and rotatory top 4 can be adjusted top 4 in the horizontal direction through the helicitic texture.
During clamping, the blade penetrates through the blade root positioning frame 2 to be horizontally placed, the longitudinal tree-shaped blade root 8 of the blade is located in the frame of the blade root positioning frame 2, the longitudinal tree-shaped blade root 8 is fixed in the blade root positioning frame 2 through the operation of the top compression bolt 7 and the lateral compression bolt 9, then the tip supporting frame 3 is adjusted to be in a proper position and fixed, finally the other end of the blade is tightly jacked through the operation of the tip 4, and the fact that the axes of the tip 4 and the longitudinal tree-shaped blade root 8 are located on the same horizontal line needs to be guaranteed.
The foregoing embodiments are merely illustrative of the principles and features of this invention, which is not limited to the above-described embodiments, but is capable of various modifications and changes without departing from the spirit and scope of the utility model, which are intended to be within the scope of the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. The gantry type fixture for processing the tooth form of the longitudinal tree type blade root comprises a bottom plate, a blade root positioning frame, a tip supporting frame and a tip, and is characterized in that the blade root positioning frame is of a gantry type structure and can be vertically fixed at one end of the bottom plate in a dismounting mode, the tip supporting frame can be close to or far away from the other end of the bottom plate and is assembled at the other end of the bottom plate, the tip can be adjustably installed on the tip supporting frame, a positioning assembly is arranged on the blade root positioning frame, the longitudinal tree type blade root to be processed is horizontally placed in the blade root positioning frame and is fixed through the positioning assembly, and an adjustable equal-height block is arranged between the longitudinal tree type blade root positioning frame and the blade root positioning frame.
2. The gantry type fixture for machining the tooth profile of the longitudinal tree-shaped blade root as claimed in claim 1, wherein the positioning assembly comprises a top compression bolt, a lateral compression bolt and an axial positioning block, the top compression bolt is mounted on a cross beam of the blade root positioning frame to position the longitudinal tree-shaped blade root in the height direction, the lateral compression bolt is mounted on a column of the blade root positioning frame to position the longitudinal tree-shaped blade root in the lateral direction, and the axial positioning block is mounted on outer side surfaces of two columns of the blade root positioning frame through screws to position the longitudinal tree-shaped blade root in the horizontal direction.
3. The gantry type fixture for processing the tooth profile of the longitudinal tree-shaped blade root as claimed in claim 1, wherein a plurality of elongated fixing holes are formed in the bottom plate along the horizontal direction, and the tip supporting frame is fixedly mounted on the bottom plate through fixing bolts and the fixing holes.
4. The gantry type fixture for machining the tooth profile of the longitudinal tree-shaped blade root as claimed in claim 1, wherein a mounting hole is formed in the top of the tip support frame, a bushing is arranged in the mounting hole, a flange for limiting the stroke of the tip is mounted on the outer side surface of the tip support frame through a bolt, and the tip penetrates through the flange and the bushing.
5. The gantry type fixture for machining the tooth profile of the longitudinal tree-shaped blade root as claimed in claim 1, wherein the two columns of the blade root positioning frame extend outwards along the middle of the height direction to form limiting plates with gradually decreasing widths.
6. The gantry type fixture for machining the tooth profile of the longitudinal tree-shaped blade root as claimed in claim 1, wherein the blade root positioning frame and the bottom plate are positioned through a key slot and fixedly connected through a T-shaped bolt.
CN202122384913.6U 2021-09-29 2021-09-29 Gantry type clamp for processing tooth form of longitudinal tree type blade root Active CN216179841U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122384913.6U CN216179841U (en) 2021-09-29 2021-09-29 Gantry type clamp for processing tooth form of longitudinal tree type blade root

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122384913.6U CN216179841U (en) 2021-09-29 2021-09-29 Gantry type clamp for processing tooth form of longitudinal tree type blade root

Publications (1)

Publication Number Publication Date
CN216179841U true CN216179841U (en) 2022-04-05

Family

ID=80927825

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122384913.6U Active CN216179841U (en) 2021-09-29 2021-09-29 Gantry type clamp for processing tooth form of longitudinal tree type blade root

Country Status (1)

Country Link
CN (1) CN216179841U (en)

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