CN218194941U - Steam turbine rotor blade assembly locking tool - Google Patents
Steam turbine rotor blade assembly locking tool Download PDFInfo
- Publication number
- CN218194941U CN218194941U CN202222131506.9U CN202222131506U CN218194941U CN 218194941 U CN218194941 U CN 218194941U CN 202222131506 U CN202222131506 U CN 202222131506U CN 218194941 U CN218194941 U CN 218194941U
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- turbine rotor
- brake pad
- slider
- rotor blade
- blade assembly
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Abstract
The utility model relates to a steam turbine technical field, especially a steam turbine rotor blade assembly locking frock, including two support rings, two rotate between the support ring and be connected with the turbine rotor, the equal fixedly connected with supporting seat in bottom of support ring, one side sliding connection has the supporting shoe outside the supporting seat, the top fixedly connected with pneumatic cylinder of supporting shoe, the first brake pad of output fixedly connected with of pneumatic cylinder, the support ring has two second brake pads through spout sliding connection. The utility model discloses locking frock's advantage lies in: through set up the transmission piece between slider and first brake pad, when first brake pad under the pneumatic cylinder effect with turbine rotor laminating braking, under the transmission of transmission piece, make the side laminating auxiliary brake of second brake pad and turbine rotor, make the device can carry out friction braking to turbine rotor's tip and side respectively through first brake pad of pneumatic cylinder simultaneous control and second brake pad.
Description
Technical Field
The utility model relates to a locking frock technical field, especially a steam turbine rotor blade assembles locking frock.
Background
The steam turbine is also called a steam turbine engine, is a rotary steam power device, and when a rotor blade is assembled, the rotor needs to be braked and fixed to ensure the accuracy of blade assembly.
The assembling and stopping tool for the rotor blade of the steam turbine disclosed in the Chinese patent CN201821370322.5 not only overcomes the defect of wood wedge type stopping, but also reduces the workload of an operator, thereby improving the working efficiency.
The existing steam turbine rotor blade assembling and stopping tool has the following defects: the existing tool for assembling and stopping the turbine rotor blade mostly adopts friction force to brake the side surface of the rotor, and a friction pad is easy to wear after being used for a long time, so that the friction pad cannot be completely attached to the rotor to influence the braking effect.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming, provide a turbine rotor blade assembly locking frock, effectively solved prior art's is not enough.
The purpose of the utility model is realized through the following technical scheme: the utility model provides a steam turbine rotor blade assembles locking frock, includes two support rings, two rotate between the support ring and be connected with the turbine rotor, the equal fixedly connected with supporting seat in bottom of support ring, one side sliding connection has the supporting shoe outside the supporting seat, the top fixedly connected with pneumatic cylinder of supporting shoe, the first brake pad of output fixedly connected with of pneumatic cylinder, one side the spout has all been seted up to the top and the bottom in the support ring outside, the support ring has two second brake pads through spout sliding connection.
Optionally, the axle center of the hydraulic cylinder coincides with the axle center of the turbine rotor, the first brake pad is circular, and the material of the first brake pad close to one end of the turbine rotor is rubber.
Adopt above-mentioned technical scheme: set up pneumatic cylinder and first brake pad through the one end at turbine rotor, when needs will turbo the rotor and fix, can start the tip that pneumatic cylinder made first brake pad top tight turbine rotor, it is fixed with turbine rotor through first brake pad and the frictional force between the turbine rotor, brake the condition that can avoid turbine rotor's cambered surface to influence the laminating braking effect with the friction pad wearing and tearing from turbine rotor tip.
Optionally, a distance between the first brake pad and the end of the turbine rotor is less than five centimeters, and a friction coefficient between the first brake pad and the turbine rotor is greater than two.
Optionally, two equal sliding connection has the slider in the spout, the equal fixedly connected with arc in inboard of slider, the inboard and the second brake pad fixed connection of arc.
Adopt above-mentioned technical scheme: through setting up spout and slider cooperation, make the second brake pad can produce frictional force with the laminating of turbine rotor side and make its braking.
Optionally, the arc plate is made of alloy spring steel, and two sides of the arc plate shrink towards the inner side of the arc surface.
Adopt above-mentioned technical scheme: through the material of restriction arc, make it can inwards contract, when second brake pad surface is worn and torn, the arc can produce the state that inside elasticity made second brake pad keep with turbine rotor laminating, reduces the long-time influence of wearing and tearing to braking effect of using from of brake pad.
Optionally, one side of slider is the inclined plane, the equal fixedly connected with transmission piece in top and the bottom of first brake pad, one side of transmission piece is the inclined plane, the inclined plane of transmission piece and the inclined plane looks adaptation of slider, second brake pad and the side laminating of turbine rotor are laminated under the inclined plane effect when first brake pad and turbine rotor tip laminating.
Adopt above-mentioned technical scheme: through set up the transmission piece between slider and first brake pad, when first brake pad under the pneumatic cylinder effect with turbine rotor laminating braking, under the transmission effect of transmission piece, make second brake pad and turbine rotor's side laminating auxiliary braking, make the device can carry out friction braking to turbine rotor's tip and side respectively through first brake pad of pneumatic cylinder simultaneous control and second brake pad, improve the device and to turbine rotor braking's stability.
Optionally, the sliding block is made of iron, the transmission block is made of a magnet, and the friction coefficient between the transmission block and the sliding block is smaller than one.
Adopt above-mentioned technical scheme: the material through restriction slider and transmission piece makes the inclined plane between them can keep in the laminating state, when first brake pad relieved the brake state, can drive the second brake pad also and break away from the brake state under the inclined plane effect.
The utility model has the advantages of it is following:
1. this steam turbine rotor blade assembly locking frock sets up pneumatic cylinder and first braking pad through the one end at turbine rotor, when needs will take turns to turbine rotor fixed, can start the pneumatic cylinder and make the tip of the tight turbine rotor in first braking pad top, will take turns to turbine rotor through the frictional force between first braking pad and the turbine rotor and fix, brake the cambered surface that can avoid turbine rotor from taking turns to turbine rotor tip and influence the condition of laminating braking effect with the frictional pad wearing and tearing.
2. This steam turbine rotor blade assembly locking frock through setting up spout and slider cooperation, makes the second brake pad can produce frictional force with the laminating of turbine rotor side and makes its braking, through the material of restriction arc, makes it can the internal contraction, and when second brake pad surface was worn and torn, the arc can produce the state that inside elasticity made the second brake pad keep with turbine rotor laminating, reduces the long-time influence of wearing and tearing from the brake pad to braking effect of using.
3. This steam turbine rotor blade assembly locking frock, through set up the transmission piece between slider and first brake pad, when first brake pad under the pneumatic cylinder effect with turbine rotor laminating braking, under the transmission effect of transmission piece, make second brake pad and turbine rotor's side laminating auxiliary brake, make the device can carry out friction braking to turbine rotor's tip and side respectively through first brake pad of pneumatic cylinder simultaneous control and second brake pad, improve the device to turbine rotor braking's stability, through the material of restriction slider and transmission piece, make the inclined plane between them can keep at the laminating state, when braking state is relieved to first brake pad, can drive the second brake pad and also break away from braking state under the inclined plane effect.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1;
FIG. 3 is a schematic sectional view of the present invention;
fig. 4 is an enlarged schematic structural view of the point B in fig. 3 according to the present invention.
In the figure: the brake device comprises a support ring 1, a turbine rotor 2, a support base 3, a support block 4, a hydraulic cylinder 5, a first brake pad 6, a sliding groove 7, a second brake pad 8, a sliding block 9, an arc-shaped plate 10 and a transmission block 11.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary intended for explaining the present invention, and should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
As shown in fig. 1 to 4, a turbine rotor blade assembly locking tool comprises two support rings 1, a turbine rotor 2 is rotatably connected between the two support rings 1, a support seat 3 is fixedly connected to the bottom of each support ring 1, a support block 4 is slidably connected to the outer side of each support seat 3, a hydraulic cylinder 5 is fixedly connected to the top of each support block 4, a first brake pad 6 is fixedly connected to the output end of each hydraulic cylinder 5, a sliding groove 7 is formed in the top and the bottom of the outer side of each support ring 1, and the support rings 1 are slidably connected with two second brake pads 8 through the sliding grooves 7.
Example 1: the axle center of pneumatic cylinder 5 and the axle center of turbine rotor 2 coincide mutually, the shape of first brake pad 6 is circular, the material that first brake pad 6 is close to turbine rotor 2 one end is rubber, one end through at turbine rotor 2 sets up pneumatic cylinder 5 and first brake pad 6, when needs are fixed with turbine rotor 2, can start hydraulic cylinder 5 and make the tip of 6 top tight turbine rotor 2 of first brake pad, it is fixed with turbine rotor 2 through the frictional force between first brake pad 6 and the turbine rotor 2, brake the condition that can avoid turbine rotor 2's cambered surface to influence laminating braking effect with the friction pad wearing and tearing from turbine rotor 2 tip.
Example 2: the distance between the first brake pad 6 and the end part of the turbine rotor 2 is less than five centimeters, and the friction coefficient between the first brake pad 6 and the turbine rotor 2 is more than two.
Example 3: equal sliding connection has slider 9 in two spouts 7, and the equal fixedly connected with arc 10 in inboard of slider 9, the inboard and the second brake pad 8 fixed connection of arc 10 through setting up spout 7 and the cooperation of slider 9, make second brake pad 8 can make its braking with the laminating of 2 sides of turbo rotor produce frictional force.
Example 4: the material of arc 10 is alloy spring steel, and the both sides of arc 10 are to the inboard shrink of cambered surface, through the material of restriction arc 10, make it can inwards shrink, and when 8 surfaces of second brake pad were worn and torn, arc 10 can produce the state that inside elasticity made second brake pad 8 keep with the laminating of turbo rotor 2, and it is long-time from wearing and tearing to reduce the brake pad and use the influence to braking effect.
Example 5: one side of slider 9 is the inclined plane, the equal fixedly connected with transmission piece 11 in top and the bottom of first brake pad 6, one side of transmission piece 11 is the inclined plane, the inclined plane of transmission piece 11 and the inclined plane looks adaptation of slider 9, second brake pad 8 and the side laminating of turbine rotor 2 under the inclined plane effect when first brake pad 6 and the laminating of turbine rotor 2 tip, through set up transmission piece 11 between slider 9 and first brake pad 6, when first brake pad 6 with the laminating braking of turbine rotor 2 under the pneumatic cylinder 5 effect, under the transmission effect of transmission piece 11, make the side laminating auxiliary brake of second brake pad 8 and turbine rotor 2, make the device can carry out friction braking to turbine rotor 2's tip and side respectively through pneumatic cylinder 5 simultaneous control first brake pad 6 and second brake pad 8, improve the device and to the stability of turbine rotor braking.
Example 6: the slider 9 is made of iron, the transmission block 11 is made of a magnet, the friction coefficient between the transmission block 11 and the slider 9 is smaller than one, the inclined surfaces of the slider 9 and the transmission block 11 can be kept in a fit state by limiting the materials of the slider 9 and the transmission block 11, and when the first brake pad 6 is released from a braking state, the slider 9 can drive the second brake pad 8 to be separated from the braking state under the action of the inclined surfaces.
The utility model discloses a theory of operation as follows:
s1, a hydraulic cylinder 5 drives a first brake pad 6 to press the end part of a turbine rotor 2 to generate friction force;
and S2, the second brake pad 8 is attached to the side surface of the turbine rotor 2 to generate friction force to complete braking under the action of the inclined surface of the transmission block 11.
Compared with the prior art, the utility model discloses for prior art have following beneficial effect:
1. this steam turbine rotor blade assembly locking frock, one end through at turbine rotor 2 sets up pneumatic cylinder 5 and first brake pad 6, when needs will turbine rotor 2 fixed, can start pneumatic cylinder 5 makes the tip of the tight turbine rotor 2 in 6 tops of first brake pad, through first brake pad 6 and the frictional force between turbine rotor 2 with turbine rotor 2 fixed, brake the condition that can avoid turbine rotor 2's cambered surface to influence the laminating braking effect with the friction pad from turbine rotor 2 tip.
2. This steam turbine rotor blade assembly locking frock, through setting up spout 7 and the cooperation of slider 9, make second brake pad 8 can produce frictional force with the laminating of 2 sides of turbine rotor and make its braking, through the material of restriction arc 10, make it can the internal contraction, when 8 surfaces of second brake pad are worn and torn, arc 10 can produce the state that inside elasticity made second brake pad 8 keep with the laminating of turbine rotor 2, reduce the brake pad and use the influence to the braking effect from wearing and tearing for a long time.
3. This steam turbine rotor blade assembly locking frock, through set up transmission block 11 between slider 9 and first brake pad 6, when first brake pad 6 with turbine rotor 2 laminating braking under the effect of pneumatic cylinder 5, under the transmission of transmission block 11, make the side laminating auxiliary brake of second brake pad 8 and turbine rotor 2, make the device can carry out friction braking to turbine rotor 2's tip and side respectively through pneumatic cylinder 5 simultaneous control first brake pad 6 and second brake pad 8, improve the device and to the stability of turbine rotor braking, through the material of restriction slider 9 and transmission block 11, make the inclined plane between them can keep at the laminating state, when first brake pad 6 removes brake state, can slider 9 drive second brake pad 8 also breaks away from brake state under the inclined plane effect.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
It will be understood by those skilled in the art that the invention, including any combination of the elements of the above description and the detailed description and illustrated in the accompanying drawings, is not limited to the details and should not be construed as limited to the embodiments set forth herein for the sake of brevity. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the invention, and that those skilled in the art may make variations, modifications, substitutions and alterations herein without departing from the spirit and scope of the invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a steam turbine rotor blade assembles locking frock which characterized in that: including two support rings (1), two it is connected with turbine rotor (2) to rotate between support ring (1), the equal fixedly connected with supporting seat (3) in bottom of support ring (1), one side supporting seat (3) outside sliding connection has supporting shoe (4), top fixedly connected with pneumatic cylinder (5) of supporting shoe (4), the first brake pad of output fixedly connected with (6) of pneumatic cylinder (5), one side spout (7) have all been seted up to the top and the bottom in support ring (1) outside, support ring (1) has two second brake pads (8) through spout (7) sliding connection.
2. The turbine rotor blade assembly stop tool according to claim 1, wherein: the axle center of pneumatic cylinder (5) and the coincidence of the axle center of turbine rotor (2), the shape of first brake pad (6) is circular, the material that first brake pad (6) is close to turbine rotor (2) one end is rubber.
3. The turbine rotor blade assembly locking tool of claim 2, wherein: the distance between the first brake pad (6) and the end part of the turbine rotor (2) is less than five centimeters, and the friction coefficient between the first brake pad (6) and the turbine rotor (2) is greater than two.
4. The turbine rotor blade assembly stop tool according to claim 3, wherein: two equal sliding connection has slider (9) in spout (7), the equal fixedly connected with arc (10) in inboard of slider (9), the inboard and the second brake pad (8) fixed connection of arc (10).
5. The turbine rotor blade assembly locking tool of claim 4, wherein: the arc-shaped plate (10) is made of alloy spring steel, and two sides of the arc-shaped plate (10) shrink towards the inner side of the arc surface.
6. The turbine rotor blade assembly stop tool according to claim 5, wherein: one side of slider (9) is the inclined plane, the top and the equal fixedly connected with transmission piece (11) in bottom of first brake pad (6), one side of transmission piece (11) is the inclined plane, the inclined plane of transmission piece (11) and the inclined plane looks adaptation of slider (9), second brake pad (8) and the side laminating of turbine rotor (2) are laminated under the inclined plane effect when first brake pad (6) and turbine rotor (2) tip laminating.
7. The turbine rotor blade assembly stop tool according to claim 6, wherein: the material of slider (9) is iron, the material of driving block (11) is the magnetite, the coefficient of friction of driving block (11) and slider (9) is less than one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222131506.9U CN218194941U (en) | 2022-08-13 | 2022-08-13 | Steam turbine rotor blade assembly locking tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222131506.9U CN218194941U (en) | 2022-08-13 | 2022-08-13 | Steam turbine rotor blade assembly locking tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218194941U true CN218194941U (en) | 2023-01-03 |
Family
ID=84655564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222131506.9U Active CN218194941U (en) | 2022-08-13 | 2022-08-13 | Steam turbine rotor blade assembly locking tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218194941U (en) |
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2022
- 2022-08-13 CN CN202222131506.9U patent/CN218194941U/en active Active
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