Steam turbine rotor blade assembly stop tool

Abstract

The utility model discloses a steam turbine rotor blade assembly stop tool, and belongs to the technical field of steam turbine assembly. A steam turbine rotor blade assembling and stopping tool comprises a bottom plate and further comprises a fixed seat fixedly arranged at one end of the bottom plate, a sliding seat is arranged on the bottom plate in a sliding mode, and supporting rollers used for supporting a rotor are arranged on the top of the fixed seat and the top of the sliding seat. The fixing plate is slidably arranged on the fixing seat, a fixing cylinder is rotatably arranged on the adjusting plate, a first screw rod is in threaded connection with the adjusting plate, and one end of the first screw rod abuts against the outer wall of the fixing cylinder; the distance between the sliding seat and the fixed seat is adjusted according to the length of the rotor, the rotor assembling device is suitable for assembling different rotors, then the fixed cylinder is fixed on the adjusting plate through the first screw rod, the fixed cylinder is sleeved on the rotor, the rotor can be fixed in the fixed cylinder by driving the second screw rod, and the first screw rod is unscrewed, so that the rotor can be fixed in the fixed cylinder. The rotor can be driven to rotate in the assembling process, and the assembling quality and efficiency are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to steam turbine assembly technical field especially relates to a steam turbine rotor blade assembly stop tool. BACKGROUND

[0002] Steam turbine is a kind of power equipment that converts the heat energy of steam into mechanical energy, is widely used in power plant, ship propulsion system and power drive in industrial production, steam turbine expands in nozzle and pushes blade rotation by steam, to drive generator or other mechanical equipment work, in the steam turbine production process, the need to install blade on rotor, often uses stop tool in assembly process.

[0003] In the steam turbine rotor blade assembly work, basically it is mainly manual operation, steam turbine rotor blade is placed into wheel groove when the contact area is arranged, then copper bar is hit blade, the existing steam turbine rotor blade assembly stop tool has the following disadvantages in the process of using: it cannot support different length rotors, there is limitation, and the scope of application is small;When assembling, it is inconvenient to adjust the rotation of the rotor after fixing, which affects the assembly efficiency and quality. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the problems of inconvenient support for rotors of different lengths and inconvenient driving of rotor rotation in the prior art, and provides a steam turbine rotor blade assembly stop tool.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme:

[0006] A steam turbine rotor blade assembly stop tool, comprising a bottom plate, further comprising: a fixed seat fixedly arranged at one end of the bottom plate, a sliding seat is slidably arranged on the bottom plate, and a supporting roller for supporting the rotor is arranged on the top of the fixed seat and the sliding seat;Fixed plate is slidably arranged on the fixed seat, adjusting plate is arranged on the fixed plate in a lifting manner, fixed cylinder with fixing hole is rotatably arranged on the adjusting plate, clamping part for clamping the rotor is arranged on the fixed cylinder, and first screw rod is threadedly connected to the adjusting plate, and one end of the first screw rod abuts against the outer wall of the fixed cylinder.

[0007] In order to fix and limit the fixed cylinder conveniently, preferably, a limiting ring is fixedly arranged on the outer wall of the fixed cylinder, positioning holes are uniformly formed in the outer wall of the limiting ring, one end of the first screw rod is fixedly provided with a positioning column matched with the positioning hole, and the positioning column extends into the positioning hole.

[0008] In order to facilitate the clamping of the rotor, preferably, the clamping part comprises a disc fixedly arranged on the fixed cylinder, a plurality of groups of second screw rods are threadedly connected to the disc, one end of the second screw rod extending into the fixed hole is rotationally arranged with a clamping plate, and the plurality of groups of clamping plates are in abutment with the outer wall of the rotor.

[0009] In order to ensure that the adjusting plate can be reliably lifted on the fixed plate, preferably, a lifting rod is fixedly arranged at the bottom of the adjusting plate, two groups of the lifting rods are symmetrically arranged, and the lifting rods are in sliding connection with the fixed plate.

[0010] Further, a spring is sleeved on the lifting rod, and the two ends of the spring are in abutment with the adjusting plate and the fixed plate respectively.

[0011] Preferably, at least two guide rods are fixedly arranged on the fixed plate, and the guide rods are in sliding connection with the fixed seat.

[0012] Compared with the prior art, the utility model provides a steam turbine rotor blade assembly stop tool, which has the following beneficial effects:

[0013] 1. The steam turbine rotor blade assembly stop tool adjusts the distance between the sliding seat and the fixed seat according to the length of the rotor, is suitable for assembling different rotors, then fixes the fixed cylinder on the adjusting plate through the first screw rod, then sleeves the fixed cylinder on the rotor, and can fix the rotor in the fixed cylinder by driving the second screw rod, and can drive the rotor to rotate in the assembling process by loosening the first screw rod, thereby improving the assembling quality and efficiency.

[0014] 2. The steam turbine rotor blade assembly stop tool can avoid the interference of the fixed cylinder on the rotor when the rotor is placed on the fixed seat and the sliding seat by sliding the fixed plate on the fixed seat through the guide rod, thereby improving the use effect.

[0015] The parts not involved in the device are the same as or can be realized by the prior art, the utility model adjusts the distance between the sliding seat and the fixed seat according to the length of the rotor, is suitable for assembling different rotors, then fixes the fixed cylinder on the adjusting plate through the first screw rod, then sleeves the fixed cylinder on the rotor, and can fix the rotor in the fixed cylinder by driving the second screw rod, and can drive the rotor to rotate in the assembling process by loosening the first screw rod, thereby improving the assembling quality and efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The utility model provides a steam turbine rotor blade assembly stop tool structure schematic view;

[0017] Figure 2 The utility model provides a steam turbine rotor blade assembly stop tool main view;

[0018] Figure 3 A structure diagram of a fixing cylinder of a steam turbine rotor blade assembly stop tool is provided in the utility model.

[0019] Figure 4 A sectional view of the fixing cylinder of the steam turbine rotor blade assembly stop tool is provided in the utility model.

[0020] In the figure: 1, bottom plate; 101, fixed seat; 102, sliding seat; 103, supporting roller; 2, fixed plate; 201, adjusting plate; 202, lifting rod; 203, guide rod; 204, spring; 3, fixed cylinder; 301, disc; 302, limiting ring; 303, positioning hole; 4, first screw rod; 401, positioning column; 5, second screw rod; 501, clamping plate. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0022] In the description of the utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0023] Embodiment:

[0024] With reference to Figures 1-4The utility model provides a steam turbine rotor blade assembly stoppage frock, including bottom plate 1, still include: the fixed seat 101 is fixedly arranged on one end of bottom plate 1, the sliding seat 102 is slidably arranged on bottom plate 1, the limiting slot extending along its length direction is opened on bottom plate 1, the sliding seat 102 bottom is slidably arranged in the limiting slot, the support roller 103 for supporting the rotor is arranged on the top of fixed seat 101 and sliding seat 102, here, the support roller 103 is rotatably arranged on the support of the top of fixed seat 101 and sliding seat 102, and the support roller 103 is symmetrically arranged with two groups, the fixed plate 2 is slidably arranged on fixed seat 101, the adjusting plate 201 is liftably arranged on fixed plate 2, the fixed cylinder 3 with fixed hole is rotatably arranged on adjusting plate 201, when the rotor is placed on fixed seat 101 and sliding seat 102 in use, push fixed plate 2 to fixed seat 101 direction, then pull adjusting plate 201 and lift, make one end of rotor slide into the fixed hole in fixed cylinder 3, the clamping portion for clamping the rotor is arranged on fixed cylinder 3, and the first screw rod 4 is screw-connected on adjusting plate 201, one end of first screw rod 4 is abutted with the outer wall of fixed cylinder 3, in use, the distance between sliding seat 102 and fixed seat 101 is adjusted according to the length of rotor, and then fixed cylinder 3 is fixed on adjusting plate 201 through first screw rod 4, then fixed cylinder 3 is sleeved on the rotor, and the rotor can be fixed in fixed cylinder 3 by driving second screw rod 5, and the first screw rod 4 can be loosened, and the rotor can be driven to rotate during assembly, improve the assembly quality and efficiency.

[0025] Referring to Figure 3 and Figure 4 The limiting ring 302 is fixedly arranged on the outer wall of fixed cylinder 3, the limiting ring 302 is rotatably arranged in adjusting plate 201, the positioning hole 303 is uniformly arranged on the outer wall of limiting ring 302, the positioning hole 303 is arranged with two groups to thirty groups, preferably twenty groups, and the twenty groups are evenly distributed in a circle, the positioning column 401 matched with the positioning hole 303 is fixedly arranged on one end of first screw rod 4, and the positioning column 401 extends into the positioning hole 303, in use, the fixed cylinder 3 can be fixed in adjusting plate 201 by rotating first screw rod 4 and making positioning column 401 slide into positioning hole 303, at this time, the rotor can be fixed in adjusting plate 201 by fixing the rotor in fixed cylinder 3 through second screw rod 5, and the blade can be conveniently installed on the rotor.

[0026] Referring to Figure 3 and Figure 4Here, we will clamping part designed to be fixed on the fixed cylinder 3 provided with disc 301, on the disc 301 is threadedly connected with a plurality of groups of second screw 5, second screw 5 is provided with two groups to six groups, we prefer to three groups, three groups are evenly distributed in the circle, and the second screw 5 extending to the fixed hole in one end of the rotating clamping plate 501, will be a plurality of clamping plate 501 with the rotor outer wall, in use, by inserting the rotor into the fixed hole, and then in turn drive the second screw 5 rotation, make clamping plate 501 respectively with the rotor outer wall, realize the rotor is fixed in the fixed cylinder 3, improve the use effect.

[0027] Referring to Figure 1 , Figure 3 and Figure 4 , the bottom of the adjusting plate 201 is fixedly provided with a lifting rod 202, and the lifting rod 202 is symmetrically provided with two groups, and the lifting rod 202 is slidably connected with the fixed plate 2, in use, by fixing the lifting rod 202 on the adjusting plate 201, the lifting rod 202 is slidably connected with the fixed plate 2, not only convenient for adjusting the lifting of the adjusting plate 201, but also can prevent the overturning of the adjusting plate 201, affect the normal use.

[0028] Referring to Figure 3 and Figure 4 , the spring 204 is sleeved on the lifting rod 202, and the both ends of the spring 204 are respectively abutted with the adjusting plate 201 and the fixed plate 2, in use, by sleeving the spring 204 on the lifting rod 202, the adjusting plate 201 and the fixed plate 2 can be kept a certain distance under the elastic support of the spring 204, convenient for driving the adjusting plate 201 to lift, improve the use effect.

[0029] Referring to Figures 1-3 , at least two guide rods 203 are fixedly arranged on the fixed plate 2, here we prefer to two, the guide rod 203 is slidably connected with the fixed seat 101, in use, by sliding the fixed plate 2 on the fixed seat 101 with the guide rod 203, when the rotor is placed on the fixed seat 101 and the sliding seat 102, the interference of the fixed cylinder 3 to the rotor can be avoided, improve the use effect.

[0030] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A turbine rotor blade assembly stop tooling comprising a base plate (1), characterised in that, Also include: The fixed seat (101) is fixedly arranged at one end of the bottom plate (1), a sliding seat (102) is slidingly arranged on the bottom plate (1), and the top of the fixed seat (101) and the sliding seat (102) is provided with a supporting roller (103) for supporting the rotor; The fixed plate (2) is slidingly arranged on the fixed seat (101), the adjusting plate (201) is arranged on the fixed plate (2), the fixed cylinder (3) with the fixed hole is rotatably arranged on the adjusting plate (201), the clamping part for clamping the rotor is arranged on the fixed cylinder (3), and the first screw rod (4) is threadedly connected to the adjusting plate (201), one end of the first screw rod (4) abuts against the outer wall of the fixed cylinder (3).

2. A turbine rotor blade assembly stop tool according to claim 1, wherein, The limiting ring (302) is fixedly arranged on the outer wall of the fixed cylinder (3), the positioning holes (303) are uniformly formed in the outer wall of the limiting ring (302), one end of the first screw rod (4) is fixedly provided with the positioning column (401) matched with the positioning hole (303), and the positioning column (401) extends into the positioning hole (303).

3. A turbine rotor blade assembly stop tool as claimed in claim 1, wherein, The clamping part includes the disc (301) fixedly arranged on the fixed cylinder (3), a plurality of second screw rods (5) are threadedly connected to the disc (301), the clamping plate (501) is rotatably arranged at one end of the second screw rod (5) extending into the fixed hole, and a plurality of clamping plates (501) abut against the outer wall of the rotor.

4. A turbine rotor blade assembly stop tool as claimed in claim 1, wherein, The adjusting plate (201) is fixedly provided with the lifting rod (202) at the bottom, the lifting rod (202) is symmetrically provided with two groups, and the lifting rod (202) is slidingly connected with the fixed plate (2).

5. A turbine rotor blade assembly stop tool as claimed in claim 4, wherein, The spring (204) is sleeved on the lifting rod (202), and the two ends of the spring (204) abut against the adjusting plate (201) and the fixed plate (2) respectively.

6. A turbine rotor blade assembly stop tool as claimed in claim 1, wherein, The fixed plate (2) is fixedly provided with at least two guide rods (203), and the guide rods (203) are slidingly connected with the fixed seat (101).

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