CN212296501U - Blade installation positioning tool and assembly thereof - Google Patents
Blade installation positioning tool and assembly thereof Download PDFInfo
- Publication number
- CN212296501U CN212296501U CN202020320974.9U CN202020320974U CN212296501U CN 212296501 U CN212296501 U CN 212296501U CN 202020320974 U CN202020320974 U CN 202020320974U CN 212296501 U CN212296501 U CN 212296501U
- Authority
- CN
- China
- Prior art keywords
- annular
- blade
- mounting
- boss
- ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
The embodiment of the utility model discloses blade installation location frock and assembly thereof. The blade mounting and positioning tool comprises an annular support frame. The annular support frame is provided with a first annular end face which is coaxially arranged so that one end of the blade can be placed on the first annular end face, and a first coaxial annular boss is arranged on the annular support frame to support the other end of the blade. Firstly, the coaxial outer sleeve of annular support frame is in the blade installation axle, then will the blade overlap is put things in good order on the annular support frame, later assembly personnel rethread instrument will the root of blade moves down to the blade root mounting groove and realizes the blade with the assembly between the blade installation axle, this application provides a technical scheme how to realize the blade assembly under the blade overlap assembly mode, solves the technical problem that adopts prior art can't realize the blade overlap assembly.
Description
Technical Field
The utility model relates to a frock design field especially indicates a blade installation location frock and assembly thereof.
Background
The steam turbine is a rotary steam power device, and high-temperature and high-pressure steam passes through a fixed nozzle to generate accelerated airflow and then is sprayed onto blades, so that a rotor provided with blade rows rotates, and simultaneously, the rotor does work outwards. The steam turbine is the main equipment of modern thermal power plant, also is used in metallurgical industry, chemical industry, naval vessel power device, and its core part is the blade installation axle that the periphery installed a plurality of blades. The blades of steam turbines are of various types, and among them, the fir-tree blade root blades have the advantages of high bearing capacity and good strength adaptability by reasonably utilizing the materials of the blade root and the wheel rim part, and become one of the most common blade forms.
In order to meet the increasing requirements on the torque of the steam turbine and the bearing strength of the blades, research and development personnel design a blade mounting mode in which a plurality of blades are arranged in an overlapped mode. Fig. 1 is the utility model discloses blade overlap mode of arranging schematic diagram, fig. 2 is the utility model discloses the blade overlap position assembly structure chart of A-A direction in fig. 1, fig. 3 is the utility model discloses the structure schematic diagram of blade. As shown in fig. 1 and 2, and fig. 3. Although the assembling mode can meet the bearing strength requirement of the steam turbine under high torque, in the assembling process, because the adjacent blades are arranged in an overlapping mode, if the blades are sequentially assembled one by one according to the assembling mode in the prior art, the adjacent blades obviously interfere with each other when being installed.
In addition, those skilled in the art are also dedicated to search for a technical solution for solving how to implement the blade assembly in the blade overlapping assembly manner, so as to help solve the technical problem that the blade overlapping assembly cannot be implemented by using the prior art.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present application provides a blade mounting and positioning tool, which includes an annular support frame;
the annular support frame is provided with a first annular end face which is coaxially arranged so that one end of the blade can be placed on the first annular end face, and a first coaxial annular boss is arranged on the annular support frame to support the other end of the blade.
The application provides a concrete embodiment of blade installation location frock, the coaxial overcoat of annular support frame is in blade installation epaxial, then will blade overlap is put things in good order annular support frame is last, later assembler rethread instrument will the root of blade moves down to the blade root mounting groove in, helps solving the technical problem that adopts prior art can't realize blade overlap assembly.
In another embodiment, the annular bracing frame comprises a first half arc bracing and a second half arc bracing;
the first half arc support and the second half arc support are oppositely spliced into an annular shape to be fitted into the first annular end face and the first annular boss and are fixedly connected through a connecting part.
The embodiment provides a design structure that the annular support frame is divided into two parts to install the annular support frame on the blade installation shaft.
In another embodiment, a jackscrew thread through hole is arranged on the side wall of the annular supporting frame in the radial direction to penetrate through a jackscrew.
The embodiment provides a be provided with the jackscrew thread through-hole the concrete structure of annular bracing frame, through the cross-under jackscrew adjust the elasticity between annular bracing frame and the endotheca blade installation axle.
In another embodiment, the connecting part is a connecting lug, and the first half arc support and the second half arc support are respectively arranged at two ends and provided with the connecting lug so as to connect and fix the first half arc support and the second half arc support through bolts. The first end of the positioning pin is inserted into the first blind hole of the first half-arc support, and the second end of the positioning pin is inserted into the second blind hole arranged at the corresponding position of the second half-arc support.
In this embodiment, a specific structure of the connection component is provided, and the connection component uses the connection lug to realize connection and fixation of the first half arc support and the second half arc support.
In another embodiment, the annular support frame is further provided with an annular groove between the first annular end surface and the first annular boss.
The blade mounting and positioning tool further comprises a boss ring, the boss ring is a cylinder, one end of the boss ring is inserted into the annular groove, so that the other end of the boss ring forms a second annular boss on the annular supporting frame and is used for supporting blades of different sizes and specifications.
In this embodiment, a structure for forming a second annular boss on the annular support frame by the boss ring is provided. The second annular boss is used for supporting the blades with different sizes.
In another embodiment, the boss ring comprises a first boss semi-circular ring and a second boss semi-circular ring; the two ends of the first boss semicircular ring and the second boss semicircular ring are spliced into an annular shape.
The boss ring structure comprises a first boss semicircular ring and a second boss semicircular ring, wherein the first boss semicircular ring and the second boss semicircular ring are installed only from two sides of a blade installation shaft in the assembling process, and do not need to be sleeved from one end of the blade installation shaft and then inserted into the annular groove, so that the assembling process and the assembling time are saved.
In another embodiment, the boss ring comprises a gap reserved at the position where the first boss semicircular ring is opposite to the second boss semicircular ring.
In this embodiment, a specific embodiment of reserving a gap between the first boss semicircular ring and the second boss semicircular ring is provided, and the gap is used for reserving a processing amount during machining.
The application also provides the blade mounting and positioning assembly, which comprises the blade mounting and positioning tool and the blade mounting shaft;
blade installation axle coaxial is provided with the annular blade installation department of at least one stage, the border is provided with a plurality of blade root mounting grooves in order to cooperate the installation on the blade installation department the root of blade, the blade root mounting groove is for following the radial epitaxial extension of blade installation department the opening of blade installation department outer fringe, the coaxial overcoat of ring support frame is in on the lateral wall of blade installation department just first ring terminal surface with the blade installation department inserts the terminal surface parallel and level of root one end is in order to realize placing the blade.
The blade mounting and positioning assembly discloses a specific structure of how the blade mounting and positioning tool is mounted on the blade mounting shaft when the blade is mounted in the assembling process.
In another embodiment, the blade mounting and positioning assembly includes an annular base;
the annular base is connected with the base, and the axial vertical setting of the annular base enables the blade mounting shaft to be vertically mounted on the annular base.
The embodiment provides a specific connection mode of the annular base and the blade mounting shaft. Because the blades are stacked on the first annular end face, the blades are influenced by gravity, and the lower ends of the blade mounting shafts are coaxially sleeved in the annular base in an inner mode in the assembling process so that the blade mounting shafts are vertically arranged.
In another embodiment, the annular base includes an annular mounting seat and an annular mounting ring;
the annular mounting seat is installed in a matched mode on the base, the lower portion of the annular mounting ring is sleeved in the annular mounting seat in a coaxial mode, steps are arranged on the side wall of the annular mounting ring, the end face of each step is abutted to the annular mounting seat, the blade mounting shaft is sleeved in the annular mounting ring, the upper end face of the annular mounting ring is abutted to the lowest layer of the lower end face of the blade mounting portion, and therefore the blade mounting shaft can be vertically installed on the annular mounting ring.
The split type design of the annular base is provided in the embodiment, the annular base is designed into two parts, namely the annular mounting seat and the annular mounting ring, the annular mounting ring can flexibly match with the annular mounting ring with different matched inner diameters according to different blade mounting shaft diameters, the annular mounting seat can not be replaced in the process, and the assembly workload and the production cost of the annular base are reduced.
Drawings
FIG. 1 is a schematic view of the overlapping arrangement of the blades of the present invention;
FIG. 2 is a view showing an assembly structure of the overlapping portion of the blades in the direction A-A of FIG. 1 according to the present invention;
FIG. 3 is a schematic structural view of the blade of the present invention;
fig. 4 is a top view of the annular bracing frame structure of the present invention;
fig. 5 is a front view of the annular supporting frame structure of the present invention;
fig. 6 is a top view of the boss ring structure of the present invention;
fig. 7 is a front view of the first boss semicircular ring structure of the present invention;
fig. 8 is an enlarged view of a portion of fig. 7 according to the present invention;
fig. 9 is a schematic view of the blade mounting and positioning assembly structure of the present invention.
The above and other features and advantages of the present invention will become more apparent to those of ordinary skill in the art by describing in detail preferred embodiments thereof with reference to the attached drawings, in which:
wherein the reference numbers are as follows:
Detailed Description
The applicant finds that in the steam turbine in the prior art, a plurality of stages of blades 2 are arranged on the circumference of the blade mounting shaft 4, the plurality of stages are arranged in a plurality of layers along the axial direction of the blade mounting shaft 4, each layer is called as one stage, each stage is provided with a plurality of blades 2 arranged on the circumference of the blade mounting shaft 4, and after steam is sprayed to the blades 2, the torque is provided for the blade mounting shaft 4, so that work is done outwards. Since the above-described structure is a conventional technical means in the art, it will not be described herein. Obviously, in the above process, as the torque requirement is higher, when steam is injected to the blade 2, the pressure borne by the blade 2 is higher, and further the bearing strength requirement of the blade 2 is higher, so that a developer designs an assembly mode in which a plurality of blades 2 are circumferentially arranged on the blade mounting shaft 3 and are overlapped with each other in order to meet the design requirement of the bearing strength of the blade 2 under high torque. Although this way, as shown in fig. 1 and 2, and fig. 3, may substantially improve the load-bearing strength of the blade 2, the prior art assembly method is not suitable for this assembly method. Since the plurality of blades 2 of each stage are assembled one by one on the blade mounting shaft 4 in the prior art, but if the structures as shown in fig. 1 and 2 are assembled, it can be easily found that when assembling the blades 2, we cannot assemble the blades by assembling the blades 2 one by one on the blade mounting shaft 4 because each blade 2 interferes with the adjacent blade 2 when being installed.
In view of the foregoing, the present application provides a blade mounting and positioning tool, which includes an annular support frame 1, and a plurality of blades 2 on the circumference are pre-assembled by the tool, namely, as shown in the mode of fig. 1, stacking is firstly carried out on an annular supporting frame 1, at least one stage of blade mounting part 41 is arranged on a blade mounting shaft 4, the blade mounting part 41 is an annular structure which is protruded outwards along the radial direction of the blade mounting shaft 4 and is used for mounting the blade 2, the annular supporting frame 1 is coaxially sleeved on the blade mounting part 41, a first annular end surface 11 and a first annular boss 12 of the annular supporting frame 1 respectively support two ends of the blade 2, when we have completed stacking all the blades 2 of the same stage, the whole blades 2 are moved down as a whole in the assembly ring shown in figure 1, so that the root portion 21 of the blade 2 is inserted into the corresponding root mounting groove 411 of the blade mounting portion 41 for assembly.
Fig. 4 is a top view of the ring-shaped supporting frame structure of the present invention, and fig. 5 is a front view of the ring-shaped supporting frame structure of the present invention. As shown in fig. 4 and 5, in an embodiment, the blade mounting and positioning tool includes an annular support frame 1;
the annular support frame 1 has a first annular end face 11 coaxially arranged so that one end of the blade 2 can be placed on the first annular end face 11, a first coaxial annular boss 12 is arranged on the annular support frame 1 so as to support the other end of the blade 2, and a first annular notch 121 is arranged on the first annular boss 12 so that the other end of the blade 2 can be clamped into the first annular notch 121.
In this embodiment, the blade mounting and positioning tool includes an annular support frame 1 having a first annular end surface 11. Can the overcoat when annular support frame 1 uses outside blade installation axle 4, it is close to blade installation axle 4 to point out first annular terminal surface 11, and first annular boss 12 is for being located the outer lane of first annular terminal surface 11, and first annular terminal surface 11 sets up upwards and is used for placing blade 2. In addition, the upper end surface of the first annular boss 12 is higher than the first annular end surface 11, and the first annular boss 12 and the first annular end surface 11 are supported at both ends of the blade 2. After all the blades 2 on the same-stage circumference are installed according to the preset positions, all the blades 2 stacked on the circumference move downwards by using a tool, the preset positions are positions where the root 21 of the blades 2 are opposite to the blade root installation groove 411, the annular support frame 1 drops off after the root 21 of the blades 2 is inserted into the blade root installation groove 411, as shown in fig. 1, the outermost ring of the blades 2 after arrangement can form a ring, the ring is clamped in the annular first notch 121, so that the blades 2 cannot move outwards in the radial direction to play a limiting role, it needs to be pointed out that the annular first notch 121 is arranged at the upper end face of the inner ring of the first annular boss 12, and the lower end of each blade 2 is clamped into the annular first notch 121. The mounting process is completed so far, and the mounting of the overlapping arrangement blades 2 is realized. The annular support frame 1 and the blade mounting shaft 4 can control the tightness degree of the fit through the tolerance fit of the contact surfaces or other modes. This embodiment passes through annular support frame 1 in the blade installation location frock has realized arranging the assembly of blade 2 to same level of overlap, has solved among the prior art that the week assembles same level of blade 2 one by one and has caused the interference to overlapping arrangement blade 2, can't realize the technical problem of assembly.
In an embodiment, the annular bracing frame 1 comprises a first half arc bracing 101 and a second half arc bracing 102;
the first half arc support 101 and the second half arc support 102 are oppositely spliced into a ring shape to be fitted into the first ring-shaped end surface 11 and the first ring-shaped boss 12 and are connected and fixed through the connecting part 103.
In the present embodiment, a specific embodiment of the design of dividing the ring-shaped supporting frame 1 into two parts is provided. The annular support frame 1 is designed to be in a two-part butt-joint split mode, so that the annular support frame is more conveniently installed on the blade installation shaft 3, and after the first semi-arc support 101 and the second semi-arc support 102 are in butt joint, the first annular end face 11 and the first annular boss 12 are completely split for placing and supporting the blade 2.
In one embodiment, the annular supporting frame 1 is provided with a jackscrew thread through hole 104 along the radial direction on the side wall for penetrating the jackscrew.
The specific implementation mode that the first half-arc support 101 and the second half-arc support 102 are spliced and then the joint degree of the annular support frame 1 and the blade installation shaft 3 is adjusted through the jackscrew is provided in the step, because the annular support frame 1 needs to be sleeved on the blade installation shaft 3 for use, and in addition, the annular support frame 1 needs to move downwards and fall off under the help of a tool, if the inner ring of the annular support frame 1 and the outer ring of the blade installation shaft 3 realize tightness through tolerance matching, the requirement on machining is higher, in order to reduce the machining difficulty of tolerance matching, the first half-arc support 101 and the second half-arc support 102 are provided with the jackscrew thread through hole 104 in a penetrating manner, one end of the jackscrew can extrude the blade installation shaft 3, and the tightness adjusting degree is realized through the tightness thread. In order to guarantee that annular support frame 1 can overcoat in blade installation axle 3 and can support the weight of all blades 2, can make annular support frame 1 move down through the instrument again and realize droing.
In an embodiment, the connecting member 103 is an engaging lug, the first half arc support 101 and the second half arc support 102 are respectively located at two ends and provided with the engaging lug to connect and fix the first half arc support 101 and the second half arc support 102 through bolts, a positioning pin is further provided on a joint surface of the first half arc support 101 and the second half arc support 102, a first end of the positioning pin is screwed in a first blind hole 105 on the first half arc support 101 or the second half arc support 102, and a second end of the positioning pin is inserted into a second blind hole 106 correspondingly provided on the first half arc support 101 or the second half arc support 102.
The embodiment provides a specific structure of the connecting part 103, and the connecting part 103 adopts the structure of the connecting lug to realize the connection and fixation of the first half arc support 101 and the second half arc support 102. It should be noted that the first half arc support 101 and the second half arc support 102 are respectively provided with a threaded hole and a through hole for passing through the bolt for fixing. In addition, positioning pins are further arranged on the binding surfaces of the first half arc support 101 and the second half arc support 102, a first blind hole 105 and a second blind hole 106 are respectively arranged on the binding surfaces of the first half arc support 101 and the second half arc support 102, one end of each positioning pin is in clearance fit with the corresponding first blind hole 105, the other end of each positioning pin is in tight fit with the corresponding second blind hole 106, one end of each positioning pin is installed in tight fit, and then the position of the first half arc support 101 and the position of the second half arc support 102 are aligned, and then the other end of each positioning pin is inserted into the corresponding first blind hole 105 in clearance fit, so that the positioning during the assembly of the first half arc support 101 or the second half arc support 102 can be achieved through the positioning pins.
The application provides a connection mode of butt joint of a first half arc support 101 and a second half arc support 102.
Fig. 6 is the plan view of the boss ring structure of the present invention, fig. 7 is the front view of the first boss semicircular ring structure of the present invention, fig. 8 is the enlarged view of the partial structure of fig. 7 of the present invention. As shown in fig. 6 and 7, and fig. 8, in an embodiment, an annular groove 13 is further provided on the annular support frame 1 between the first annular end surface 11 and the first annular boss 12;
blade installation location frock still includes a boss ring 3, and boss ring 3 is the barrel, and annular groove 13 is inserted to the one end of boss ring 3 to make the second annular boss 14 that boss ring 3's other end formed on the annular support frame 1 be used for supporting different dimensions's blade 2, be provided with second annular breach 141 on the second annular boss 14 so that the other end of the blade 2 of support can block in second annular breach 141.
The specific structure provided with the second annular boss 14 in this embodiment, the blade mounting shaft 3 often has multistage blades 2, the height that each stage of blades 2 are supported is different, the length of the blades 2 is also different, in order to be used for the condition of multistage blade 2 mounting, so an annular groove 13 is coaxially provided between the first annular end surface 11 and the first annular boss 12, the annular groove 13 is used for inserting the boss ring 3, the boss ring 3 is a cylinder, the lower end of the boss ring 3 is inserted into the annular groove 13 to form the second annular boss 14, the upper end surface of the boss ring 3 is used for supporting the blades 2, the second annular notch 141 is provided in the inner ring of the upper end surface of the boss ring 3, the function is consistent with the first annular notch 121, and only the second annular notch 141 is clamped into the blades 2 with different specifications, lengths and heights.
In one embodiment, the boss ring 3 includes a first boss half-ring 31 and a second boss half-ring 32;
the two ends of the first boss semicircular ring 31 and the second boss semicircular ring 32 are spliced into a ring shape.
The boss ring structure comprises a first boss semicircular ring and a second boss semicircular ring, wherein the first boss semicircular ring and the second boss semicircular ring are installed only from two sides of a blade installation shaft in the assembling process, and do not need to be sleeved from one end of the blade installation shaft and then inserted into the annular groove, so that the assembling process and the assembling time are saved. Specifically, if the adjacent upper and lower stage blades 2 are installed, it is obvious that the boss ring 3 can be inserted only from both ends of the blade installation shaft 3 and interference occurs if the boss ring 3 is made as an integral structure, but if the boss ring 3 is made as two parts, installation can be performed from both sides, which is simpler and more convenient, and interference phenomenon does not occur.
In one embodiment, a gap H is reserved between the first boss semicircular ring 31 and the second boss semicircular ring 32.
In the present embodiment, a specific embodiment of reserving the machining gap H is provided, because the machining tool has a certain width or thickness when the first boss semicircular ring 31 and the second boss semicircular ring 32 are machined, the design gap H neither hinders the subsequent assembly, nor leaves a machining amount for the machining.
Fig. 9 is a schematic view of the blade mounting and positioning assembly structure of the present invention. As shown in fig. 9, the present application further provides a blade mounting and positioning assembly, where the blade mounting and positioning assembly includes the blade mounting and positioning tool and a blade mounting shaft 4;
the blade mounting shaft 4 is coaxially provided with at least one stage of annular blade mounting part 41, the upper periphery of the blade mounting part 41 is provided with a plurality of blade root mounting grooves 411 to match with the root 21 of the blade 2, the blade root mounting grooves 411 are openings extending outwards to the outer edge of the blade mounting part 41 along the radial direction of the blade mounting part 41, the annular support frame 1 is coaxially sleeved on the side wall of the blade mounting part 41, and the first annular end surface 11 is flush with the end surface 412 of one end of the blade mounting part 41 inserted into the root 21 so as to place the blade 2.
In the present embodiment, a specific implementation of the blade mounting and positioning assembly for mounting the blade 2 is provided, in which the blade mounting shaft 4 and the blade mounting portion 41 are integrally formed, and a specific structure and a mounting position of the blade root mounting groove 411 are also provided. The assembly personal need with the vertical setting of blade installation axle 4, 1 overcoat of annular support frame is outside blade installation department 41, then put things in good order the both ends of placing and supporting blade 2 on annular support frame 1's first annular terminal surface 11 and first annular boss 12 with the blade 2 periphery, after all blade 2 all installed, the root 21 of blade 2 set up with the blade root mounting groove 411 that corresponds relatively, the assembly personal makes blade 2 move down through the instrument this moment and assembles in blade root mounting groove 411, it needs to be noted that this moment all blade 2 move down simultaneously and insert in the blade root mounting groove 411 that corresponds. It should be noted that in the assembling process, as the blades 2 are stacked on the blade mounting and positioning tool, the blade mounting shafts 4 need to be vertically arranged, and the assembling can be completed by suspending the blade mounting shafts 4 by the tool.
In one embodiment, the blade mounting and positioning assembly comprises an annular base 5;
the annular base 5 is connected with the base, and the axial vertical setting of the annular base 5 enables the blade mounting shaft 4 to be vertically mounted on the annular base 5.
The embodiment provides a specific structure of the annular base 5. The lower extreme endotheca of blade installation axle 4 is in annular base 5, and annular base 5's effect makes the vertical setting of blade installation axle 4 make things convenient for the pile up of blade 2, and it should be pointed out here the base can be understood as setting up the mounting bracket that is used for fixed mounting annular base 5 subaerial.
In one embodiment, the annular base 5 comprises an annular mounting seat 51 and an annular mounting ring 52;
an annular mounting seat 51 is fittingly mounted on the base;
the lower part of the annular mounting ring 52 is coaxially sleeved in the annular mounting seat 51, a step 521 is arranged on the side wall of the annular mounting ring 52, the end face of the step 521 abuts against the annular mounting seat 51, the blade mounting shaft 4 is sleeved in the annular mounting ring 52, and the upper end face of the annular mounting ring 52 abuts against the lower end face of the lowermost blade mounting part 41, so that the blade mounting shaft 4 can be vertically mounted on the annular mounting ring 52.
In the present embodiment, a specific structure of the annular base 5 is provided, the annular base 5 is designed into two parts, namely an annular mounting seat 51 and an annular mounting ring 52, and the purpose is that the diameter of the blade mounting shaft 4 can be changed according to different requirements, if the annular base 5 is designed into an integral structure, the annular base 5 is integrally reworked each time the diameter of the blade mounting shaft 4 is changed, if the annular base is designed into two parts according to the present embodiment, only the annular mounting ring 52 with different inner diameters needs to be replaced, the annular base 5 does not need to be repeatedly assembled and disassembled with the base, and the self weight of the annular mounting ring 52 is obviously smaller than that of the annular base 5, and the annular mounting ring is easier to replace. In addition, the assembled blade mounting shaft 4 is easy to collide with the annular base 5, so the annular mounting ring 52 is made of a softer material than the blade mounting shaft 4, such as aluminum. The annular mounting seat 51 can be made of a material with relatively good rigidity, so that the structural strength is enhanced. Such as Q235, etc.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. Blade installation location frock, its characterized in that, blade installation location frock includes:
an annular support frame (1), its one end that has coaxial setting first annular terminal surface (11) so that blade (2) can be placed on first annular terminal surface (11), just be provided with coaxial first annular boss (12) in order to support on annular support frame (1) the other end of blade (2), be provided with annular first breach (121) so that on first annular boss (12) the other end of blade (2) can be gone into annular first breach (121).
2. The blade mounting and positioning tool according to claim 1, wherein the annular support frame (1) comprises:
a first semi-arc support (101);
and the first half-arc support (101) and the second half-arc support (102) are oppositely spliced into a ring shape so as to be fitted into the first annular end surface (11) and the first annular boss (12) and are connected and fixed through a connecting part (103).
3. The blade mounting and positioning tool as claimed in claim 2, wherein a jackscrew thread through hole (104) is radially formed in the side wall of the annular support frame (1) to penetrate through a jackscrew.
4. The blade mounting and positioning tool according to claim 3, wherein the connecting part (103) is a connecting lug, the first half arc support (101) and the second half arc support (102) are respectively provided with the connecting lug at two ends thereof for connecting and fixing the first half arc support (101) and the second half arc support (102) through bolts, a positioning pin is further provided on a joint surface of the first half arc support (101) and the second half arc support (102), a first end of the positioning pin is inserted into a first blind hole (105) on the first half arc support (101), and a second end of the positioning pin is inserted into a second blind hole (106) provided at a corresponding position of the second half arc support (102).
5. The blade mounting and positioning tool of any one of claims 1 to 4,
an annular groove (13) is also formed in the annular support frame (1) and is positioned between the first annular end face (11) and the first annular boss (12);
blade installation location frock still includes:
a boss ring (3), boss ring (3) are the barrel, the one end of boss ring (3) is inserted annular groove (13), so that the other end of boss ring (3) is formed second annular boss (14) on annular bracing frame (1) are used for supporting different dimensions blade (2), be provided with second annular breach (141) so that support on second annular boss (14) the other end of blade (2) can be gone into second annular breach (141).
6. The blade mounting and positioning tool according to claim 5, wherein the boss ring (3) comprises:
a first boss half-circle ring (31); and
and the two ends of the first boss semicircular ring (31) and the second boss semicircular ring (32) are spliced into an annular shape.
7. The blade mounting and positioning tool according to claim 6, wherein a gap (H) is reserved at the position where the first boss semicircular ring (31) is opposite to the second boss semicircular ring (32).
8. Blade installation location assembly, its characterized in that, blade installation location assembly includes:
the blade mounting and positioning tool of any one of claims 1 to 7; and
a blade installation axle (4), its coaxial annular blade installation department (41) of at least one stage that is provided with, the border is provided with a plurality of blade root mounting grooves (411) with the cooperation installation on blade installation department (41) root (21) of blade (2), blade root mounting groove (411) are for following blade installation department (41) radially outwardly extend to the opening of blade installation department (41) outer fringe, the coaxial overcoat of annular bracing frame (1) is in just on the lateral wall of blade installation department (41) first annular terminal surface (11) with blade installation department (41) inserts terminal surface (412) parallel and level of root (21) one end are in order to realize placing blade (2).
9. The blade mounting and positioning assembly of claim 8, wherein said blade mounting and positioning assembly comprises:
the annular base (5), the annular base (5) is connected with the base, and the axial vertical setting of annular base (5) is so that the blade installation axle (4) can be vertically installed on annular base (5).
10. The blade mounting and positioning assembly according to claim 9, wherein said annular seat (5) comprises:
an annular mounting seat (51) which is fittingly mounted on the base; and
the lower portion of the annular mounting ring (52) is coaxially sleeved in the annular mounting seat (51), a step (521) is arranged on the side wall of the annular mounting ring (52), the end face of the step (521) abuts against the annular mounting seat (51), the inner sleeve of the blade mounting shaft (4) is arranged in the annular mounting ring (52), the upper end face of the annular mounting ring (52) abuts against the lower end face of the blade mounting portion (41) at the lowest layer, and therefore the blade mounting shaft (4) can be vertically mounted on the annular mounting ring (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020320974.9U CN212296501U (en) | 2020-03-16 | 2020-03-16 | Blade installation positioning tool and assembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020320974.9U CN212296501U (en) | 2020-03-16 | 2020-03-16 | Blade installation positioning tool and assembly thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212296501U true CN212296501U (en) | 2021-01-05 |
Family
ID=73959194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020320974.9U Active CN212296501U (en) | 2020-03-16 | 2020-03-16 | Blade installation positioning tool and assembly thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212296501U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114705413A (en) * | 2022-04-15 | 2022-07-05 | 北京航空航天大学 | Blade mounting structure and method fastened by main flow aerodynamic force and application thereof |
-
2020
- 2020-03-16 CN CN202020320974.9U patent/CN212296501U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114705413A (en) * | 2022-04-15 | 2022-07-05 | 北京航空航天大学 | Blade mounting structure and method fastened by main flow aerodynamic force and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8322146B2 (en) | Transition duct assembly | |
| EP3309387B1 (en) | Bearing supporting apparatus for wind turbine generator system, installing method, and wind turbine generator system | |
| US7419355B2 (en) | Methods and apparatus for nozzle carrier with trapped shim adjustment | |
| EP2213846B1 (en) | Method for demounting blade ring and member for demounting blade ring | |
| CA2560561C (en) | Methods and apparatuses for assembling a gas turbine engine | |
| US8046886B2 (en) | Fixture for mounting articulated turbine buckets | |
| CN212296501U (en) | Blade installation positioning tool and assembly thereof | |
| WO2009058629A1 (en) | Compressor stator vane repair with pin | |
| JP2013053623A (en) | Shaft assembly for gas turbine engine | |
| US20180163549A1 (en) | Transfer of turbine blades to rotor wheel | |
| EP3809022B1 (en) | Balanced circumferential seal | |
| CN105351016A (en) | Methods and apparatus to facilitate turbine casing assembly | |
| RU2429351C2 (en) | Rotor unit, stator unit and comprising such units steam turbine | |
| WO2008084038A1 (en) | Diaphragm for turbomachines and method of manufacture | |
| US7497658B2 (en) | Stacked reaction steam turbine stator assembly | |
| CN104487674A (en) | Compressor wheel with balance correction and positive piloting | |
| CN109424494B (en) | Shaft for a wind turbine | |
| EP1185766A1 (en) | Concentricity ring | |
| CN112855749B (en) | Split type foil dynamic pressure gas thrust bearing and manufacturing method thereof | |
| CN114901961A (en) | Bearing assembly and method for assembling a bearing assembly | |
| RU2630923C1 (en) | Impeller wheel of seventh stage of high pressure compressor (hpc) rotor of turbocharger engine (versions), hpc rotor impeller wheel disc, hpc rotor impeller wheel blade, hpc rotor impeller wheel blade ring | |
| EP2564979B1 (en) | Method of repairing a circumferential flanged ring of a gas turbine and bushing and circumferential flanged ring assembly of a gas turbine. | |
| CN114402121B (en) | Assembly for a turbomachine | |
| EP3960987A1 (en) | A rotor assembly for a rotor of a gas turbine and gas turbine comprising such a rotor assembly | |
| CN216464380U (en) | Preassembling tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.3, Gaoxin 7 Road, high tech Industrial Development Zone, Huludao City, Liaoning Province, 125000 Patentee after: Siemens Energy Industry Turbine Machinery (Huludao) Co.,Ltd. Address before: No.3, Gaoxin 7 Road, high tech Industrial Development Zone, Huludao City, Liaoning Province, 125000 Patentee before: SIEMENS INDUSTRIAL TURBOMACHINERY (HULUDAO) Co.,Ltd. |