A steam turbine cascade assembly tooling

Abstract

The present invention relates to the field of steam turbine technology, and specifically to a turbine blade cascade assembly tool. A turbine blade cascade assembly tool of the present invention includes a main body mechanism, the main body mechanism includes a main body shaft, a blade cascade is arranged on the main body shaft, the main body shaft is arranged on a support mechanism, the support mechanism is fixedly arranged on a fixed base, a shock absorbing mechanism, an anti-fall mechanism and a protective mechanism are arranged on the fixed base, the shock absorbing mechanism is sleeved on the support mechanism, the anti-fall mechanism is located directly below the blade cascade, and the protective mechanism is located on the periphery of the main body mechanism. The shock absorbing mechanism can play a role in buffering and shock absorption, reducing the shaking of the support mechanism, and preventing the support mechanism from collapsing due to excessive shaking. The anti-fall mechanism is used to prevent the blade cascade from falling off and being damaged, and the protective mechanism is used to prevent the main body mechanism and the support mechanism from injuring nearby construction workers when they collapse.

Description

Technical Field

[0001] The invention relates to the technical field of steam turbines, in particular to a steam turbine blade cascade assembly tool. Background Art

[0002] A steam turbine converts steam into mechanical energy, relying on blades to drive the main shaft for operation. During installation, unstable blades can easily fall and become damaged, potentially causing safety accidents. Because steam turbine components are large, unstable supports during installation can easily cause them to collapse, damaging the equipment and potentially causing major safety accidents. Therefore, a steam turbine blade assembly tool is urgently needed to address this issue. Summary of the Invention

[0003] The purpose of the present invention is to overcome the above-mentioned shortcomings and provide a turbine blade assembly tool. The device has good stability and can be used to prevent damage to the blade when it falls off and prevent the main body from collapsing and causing injuries to external personnel.

[0004] In order to achieve the above object, the technical solution adopted by the present invention is as follows:

[0005] A steam turbine blade assembly tool comprises a main body mechanism, the main body mechanism comprises a main shaft, a blade is arranged on the main shaft, the main shaft is arranged on a support mechanism, the support mechanism is fixedly arranged on a fixed base, a shock absorbing mechanism, an anti-fall mechanism and a protective mechanism are arranged on the fixed base, the shock absorbing mechanism is sleeved on the support mechanism, the anti-fall mechanism is located directly below the blade, and the protective mechanism is located outside the main body mechanism.

[0006] A rotating shaft is sleeved on the main shaft, a mounting shaft is sleeved on the rotating shaft, and a blade cascade is fixedly arranged on the mounting shaft.

[0007] The support mechanism includes support frames, which are located on both sides of the anti-fall mechanism. The support mechanism on each side of the anti-fall mechanism includes at least two support frames, and a fixing rod is arranged between the support frames.

[0008] A supporting groove and a fixing buckle are provided on the top of the supporting frame, and a rotating shaft is provided between the supporting groove and the fixing buckle.

[0009] A fixing groove is provided on the fixing base, and a shock absorbing mechanism is fixedly provided on the fixing groove.

[0010] The shock-absorbing mechanism comprises a shock-absorbing base, a buffer pad is arranged in the shock-absorbing base, a support frame is sleeved in the buffer pad, and a shock-absorbing frame is arranged between the shock-absorbing base and the buffer pad.

[0011] A spring is arranged inside the shock-absorbing frame, a damper is arranged inside the spring, and the spring and the damper are fixedly arranged on the shock-absorbing frame.

[0012] The shock-absorbing base is connected to the fixing slot through screws.

[0013] The anti-fall mechanism includes an anti-fall groove, a sponge pad is provided on the bottom surface of the anti-fall groove, an anti-knock plate is provided on the side wall of the anti-fall groove, a pocket net is provided in the anti-fall groove, and the pocket net is provided on the anti-knock plate.

[0014] The protection mechanism comprises a protection plate, which is fixed on a fixed base and has a protection door.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] The present invention provides a steam turbine blade assembly tool, comprising a main body, including a main shaft, a blade arranged on the main shaft, and a support mechanism mounted on the main shaft. The support mechanism is fixedly mounted on a fixed base, and the fixed base is provided with a shock-absorbing mechanism, an anti-fall mechanism, and a protective mechanism. The shock-absorbing mechanism is sleeved on the support mechanism, the anti-fall mechanism is located directly below the blade, and the protective mechanism is located on the periphery of the main body. The shock-absorbing mechanism acts as a buffer and shock absorber, reducing the sway of the support mechanism and preventing the support mechanism from collapsing due to excessive sway. The anti-fall mechanism is used to prevent the blade from falling and being damaged, and the protective mechanism is used to prevent the main body and support mechanism from injuring nearby construction workers when they collapse.

[0017] Furthermore, the support mechanism includes support frames, which are located on both sides of the anti-fall mechanism. The support mechanism on each side of the anti-fall mechanism includes at least two support frames, and a fixing rod is arranged between the support frames, which further enhances the stability of the support mechanism.

[0018] Furthermore, the shock-absorbing mechanism includes a shock-absorbing base, a buffer pad is arranged in the shock-absorbing base, a support frame is arranged in the buffer pad, and a shock-absorbing frame is arranged between the shock-absorbing base and the buffer pad. The shock-absorbing frame can be used to reduce the vibration of the support mechanism, play a role in buffering and shock absorption, and improve the stability of the device.

[0019] Furthermore, the anti-fall mechanism includes an anti-fall groove, a sponge pad is provided on the bottom surface of the anti-fall groove, an anti-knock plate is provided on the side wall of the anti-fall groove, a net is provided in the anti-fall groove, and the net is provided on the anti-knock plate. The sponge pad, anti-knock plate and net act as a buffer and protection for the fallen cascade blades, preventing the cascade blades from falling and being damaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is the overall structural assembly diagram of the present invention;

[0021] Figure 2 This is a schematic diagram of the overall structure of the present invention after the protective mechanism is assembled

[0022] Figure 3 This is a front view of the fixed base of the present invention;

[0023] Figure 4A three-dimensional schematic diagram of a fixed base according to the present invention;

[0024] Figure 5 is a schematic diagram of the shock absorbing mechanism of the present invention;

[0025] Figure 6 for Figure 3 AA enlarged image.

[0026] Among them, 1. Main body; 2. Support mechanism; 3. Fixed base; 4. Shock-absorbing mechanism; 5. Anti-fall mechanism; 6. Protection mechanism; 101. Main body axis; 102. Rotating axis; 103. Mounting axis; 104. Blade; 201. Support frame; 202. Support groove; 203. Fixing buckle; 204. Fixing rod; 303. Fixing groove; 401. Shock-absorbing base; 402. Screw; 403. Buffer pad; 404. Mounting groove; 405. Shock-absorbing frame; 406. Spring; 407. Damper; 501. Anti-fall groove; 502. Sponge pad; 503. Anti-knock plate; 504. Net; 601. Guardrail; 602. Protective plate; 603. Protective door. DETAILED DESCRIPTION

[0027] The present invention will be further described below with reference to the accompanying drawings.

[0028] like Figure 1 As shown, a turbine blade assembly tool includes a main body mechanism 1, the main body mechanism 1 includes a main shaft 101, a blade 104 is arranged on the main shaft 101, the main shaft 101 is arranged on a support mechanism 2, the support mechanism 2 is fixedly arranged on a fixed base 3, and a shock absorbing mechanism 4, an anti-fall mechanism 5 and a protective mechanism 6 are arranged on the fixed base 3. The shock absorbing mechanism 4 is sleeved on the support mechanism 2, the anti-fall mechanism 5 is located directly below the blade 104, and the protective mechanism 6 is located on the periphery of the main body mechanism 1.

[0029] Preferably, a steam turbine blade assembly tool according to the present invention comprises a main body 1, comprising a main shaft 101, on which blades 104 are mounted. The main shaft 101 is mounted on a support mechanism 2, which elevates the main body 1 to facilitate installation of the blades 104. The support mechanism 2 is fixedly mounted on a fixed base 3, which is provided with a shock-absorbing mechanism 4, an anti-fall mechanism 5, and a protective mechanism 6. The shock-absorbing mechanism 4 is sleeved on the support mechanism 2, the anti-fall mechanism 5 is located directly below the blades 104, and the protective mechanism 6 is located on the periphery of the main body 1. The shock-absorbing mechanism 4 provides a buffering and shock-absorbing function for the support mechanism 2, reducing its sway and preventing it from collapsing due to excessive sway, thereby improving the stability of the device. The anti-fall mechanism 5 is used to prevent the blades 104 from falling and being damaged, providing a cushioning and protective effect for any fallen blades 104. The protective mechanism 6 is used to prevent the main body 1 and support mechanism 2 from falling and injuring nearby construction workers, further improving the safety of the device.

[0030] Furthermore, the width of the anti-fall mechanism 5 is greater than the projected width of the main body mechanism 1 , preventing the blade cascade 104 from falling outside the anti-fall mechanism 5 .

[0031] like Figure 1 and Figure 2 As shown, the main shaft 101 is sleeved with a rotating shaft 102 , the rotating shaft 102 is sleeved with a mounting shaft 103 , and the mounting shaft 103 is fixedly provided with a blade cascade 104 .

[0032] Preferably, Figure 1 As shown, the support mechanism 2 includes support frames 201, which are located on both sides of the anti-fall mechanism 5. The support mechanism 2 on each side of the anti-fall mechanism 5 includes at least two support frames 201, and a fixing rod 204 is provided between the support frames 201. This further enhances the stability of the support mechanism 2.

[0033] Preferably, Figure 1 As shown, a support groove 202 and a fixing buckle 203 are provided on the top of the support frame 201, and a rotating shaft 102 is provided between the support groove 202 and the fixing buckle 203. The rotating shaft sleeve is provided between the support groove 202 and the fixing buckle 203 to prevent the rotating shaft 102 from sliding off the support frame 201.

[0034] like Figure 3 and Figure 4 As shown, a fixing groove 303 is provided on the fixing base 3 , and the shock absorbing mechanism 4 is fixedly provided on the fixing groove 303 .

[0035] Preferably, a fixing groove 303 is provided on the fixing base 3 , and the shock absorbing mechanism 4 is fixedly provided on the fixing groove 303 , which is beneficial to stabilizing the shock absorbing base 401 and improving the stability of the supporting mechanism 2 .

[0036] like Figure 3 、 Figure 5 and Figure 6 As shown, the shock absorbing mechanism 4 includes a shock absorbing base 401 , a buffer pad 403 is provided in the shock absorbing base 401 , a support frame 201 is sleeved in the buffer pad 403 , and a shock absorbing frame 405 is provided between the shock absorbing base 401 and the buffer pad 403 .

[0037] Preferably, the shock-absorbing mechanism 4 includes a shock-absorbing base 401, a buffer pad 403 is arranged in the shock-absorbing base 401, the support frame 201 is fixedly mounted in the buffer pad 403, and the gap between the shock-absorbing base 401 and the buffer pad 403 forms an installation groove 404, and a shock-absorbing frame 405 is arranged in the installation groove 404. The shock-absorbing frame 405 can be used to reduce the vibration of the support mechanism 2, play a role in buffering and shock absorption, and improve the stability of the device.

[0038] like Figure 6 As shown, a spring 406 is provided inside the shock absorbing frame 405 , and a damper 407 is provided inside the spring 406 . The spring 406 and the damper 407 are fixedly provided on the shock absorbing frame 405 .

[0039] Preferably, a damper 407 is provided inside the spring 406 to prevent the spring 406 from shaking to a large extent, thereby improving the buffering effect and quickly straightening the spring 406 .

[0040] like Figure 3 and Figure 5 As shown, the shock absorbing base 401 is connected to the fixing slot 303 via screws 402 .

[0041] like Figure 3 and Figure 4 As shown, the anti-fall mechanism 5 includes an anti-fall groove 501, a sponge pad 502 is provided on the bottom surface of the anti-fall groove 501, an anti-knock plate 503 is provided on the side wall of the anti-fall groove 501, a bag net 504 is provided in the anti-fall groove 501, and the bag net 504 is provided on the anti-knock plate 503.

[0042] Preferably, the anti-fall mechanism 5 includes an anti-fall groove 501, a sponge pad 502 disposed on the bottom surface of the anti-fall groove 501, an anti-knock plate 503 disposed on the sidewall of the anti-fall groove 501, and a net 504 disposed within the anti-fall groove 501, the net 504 being disposed on the anti-knock plate 503. The sponge pad 502, the anti-knock plate 503, and the net 504 act as a buffer and protector for the fallen blades 104, preventing the blades 104 from falling and being damaged. When the blades 104 fall off, the net 504 acts as the first layer of protection for the blades 104. If the net 504 is damaged, the sponge pad 502 can also act as a buffer and protector for the blades 104, thereby providing a strong overall protective effect.

[0043] like Figure 2As shown, the protection mechanism 6 includes a protection plate 602 , which is fixed on the fixed base 3 , and a protection door 603 is provided on the protection plate 602 .

[0044] Preferably, a guardrail 601 is provided on the fixed base 3, and a guard plate 602 is provided on the guardrail 601. The guardrail 601 enhances the protective strength of the guard mechanism 6. The guard mechanism 6 is surrounded on all sides, further enhancing the safety performance of the guard mechanism 6. A guard door 603 is provided on the guard plate 602 to facilitate the entry and exit of construction personnel.

[0045] The working principle of this device is as follows:

[0046] The device is a tool for assembling a steam turbine blade 104. A rotating shaft 102 is sleeved on the main shaft 101, and an installation shaft 103 is sleeved on the rotating shaft 102 to facilitate the installation of the blade 104. An anti-fall groove 501 is provided under the blade 104, and a sponge pad 502 and an anti-knock plate 503 are installed inside the anti-fall groove 501 to prevent the blade 104 from slipping and being damaged due to unstable installation. A net 504 is provided on the upper part of the sponge pad 502 to provide an additional buffer for the fallen blade 104 and protect the blade 104 from being damaged. A support frame 201 is installed under the main shaft 101 to lift the main shaft 101 to facilitate the installation of the blade 104. A support groove 202 adapted to the main shaft 101 is provided on the top of the support frame 201, and a fixing buckle 203 is installed on the top of the support groove 202 to fix the main shaft 101 and ensure that the main shaft 101 is not easy to slip. A shock-absorbing base 401 for facilitating shock absorption is fixedly installed at the bottom of the support frame 201. Screws 402 are equidistantly installed at the top of the shock-absorbing base 401. The screws 402 are screwed together with the fixing grooves 303 at the top of the fixed base 3 to fix the shock-absorbing base 401. A buffer pad 403 for buffering is installed inside the shock-absorbing base 401. A mounting groove 404 is reserved inside the shock-absorbing base 401. The mounting groove 404 provides fixed support for the shock-absorbing frame 405 installed therein. Springs 406 are equidistantly installed inside the shock-absorbing frame 405. The springs 406 buffer the shaking of the support frame 201. A damper 407 is installed inside the spring 406 to prevent the spring 406 from shaking sideways, improve the buffering effect, and quickly straighten the spring 406. A fixed base 3 is provided on the shock-absorbing base 401. The support frame 201 is fixed to the fixed base 3 to ensure the stability of the device. At the top of the fixed base 3 The provided fixing groove 303 facilitates the fixing of the shock-absorbing base 401, making the connection tight. A fixing rod 204 is installed in the middle of the two support frames 201 to provide an additional fixation for the support frames 201 to prevent the main shaft 101 from slipping due to unstable support. Since the main shaft 101 is large in size and easily causes harm to personnel, and the main shaft itself is also damaged, a protective mechanism 6 is installed on the periphery of the main shaft 101. The protective mechanism 6 is fixedly installed on the fixed base 3. The protective mechanism 6 is composed of a protective fence 601 and multiple protective plates 602. A protective door 603 is provided on the left side of the protective mechanism 6 to facilitate personnel entry and exit. The various components of the device cooperate with each other to make the device as a whole more reasonable.

[0047] In summary, the above are only preferred embodiments of the present invention and are not intended to limit the scope of protection of the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A steam turbine blade cascade assembly tool, characterized in that: The main body mechanism (1) includes a main body shaft (101), a blade cascade (104) is provided on the main body shaft (101), the main body shaft (101) is provided on a support mechanism (2), the support mechanism (2) is fixedly provided on a fixed base (3), a shock absorbing mechanism (4), an anti-fall mechanism (5) and a protective mechanism (6) are provided on the fixed base (3), the shock absorbing mechanism (4) is sleeved on the support mechanism (2), the anti-fall mechanism (5) is located directly below the blade cascade (104), and the protective mechanism (6) is located on the periphery of the main body mechanism (1); The fixed base (3) is provided with a fixing groove (303), and a shock absorbing mechanism (4) is fixedly provided on the fixing groove (303); The shock absorbing mechanism (4) comprises a shock absorbing base (401), a buffer pad (403) is provided in the shock absorbing base (401), a support frame (201) is sleeved in the buffer pad (403), and a shock absorbing frame (405) is provided between the shock absorbing base (401) and the buffer pad (403); A spring (406) is provided inside the shock-absorbing frame (405), and a damper (407) is provided inside the spring (406). The spring (406) and the damper (407) are fixedly arranged on the shock-absorbing frame (405).

2. The steam turbine blade cascade assembly tool according to claim 1, characterized in that: A rotating shaft (102) is sleeved on the main shaft (101), a mounting shaft (103) is sleeved on the rotating shaft (102), and a blade cascade (104) is fixedly mounted on the mounting shaft (103).

3. The steam turbine blade cascade assembly tool according to claim 1, characterized in that: The support mechanism (2) comprises a support frame (201), the support frames (201) being located on both sides of the anti-fall mechanism (5), the support mechanism (2) on each side of the anti-fall mechanism (5) comprising at least two support frames (201), and a fixing rod (204) being provided between the support frames (201).

4. The steam turbine blade cascade assembly tool according to claim 3, characterized in that: A support groove (202) and a fixing buckle (203) are provided on the top of the support frame (201), and a rotation shaft (102) is provided between the support groove (202) and the fixing buckle (203).

5. The steam turbine blade cascade assembly tool according to claim 1, characterized in that: The shock-absorbing base (401) is connected to the fixing slot (303) via screws (402).

6. The steam turbine blade cascade assembly tool according to claim 1, characterized in that: The anti-fall mechanism (5) comprises an anti-fall groove (501), a sponge pad (502) is provided on the bottom surface of the anti-fall groove (501), an anti-knock plate (503) is provided on the side wall of the anti-fall groove (501), a pocket net (504) is provided in the anti-fall groove (501), and the pocket net (504) is provided on the anti-knock plate (503).

7. The steam turbine blade cascade assembly tool according to claim 1, characterized in that: The protection mechanism (6) comprises a protection plate (602), the protection plate (602) being fixedly arranged on the fixed base (3), and a protection door (603) being provided on the protection plate (602).

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