CN219293555U - Tool special for processing valve body of steam turbine - Google Patents

Abstract

The utility model discloses a special tool for processing a valve body of a steam turbine, and belongs to the technical field of processing of valve bodies of steam turbines. A special frock for steam turbine valve body processing, includes the workstation, still includes: the movable rod is connected to the workbench in a sliding manner, the top of the movable rod is connected with a first locking bolt in a threaded manner, and the first locking bolt abuts against the supporting rod; the clamp is in a U-shaped structure and is fixedly connected to the supporting rod, an upper supporting block and a lower supporting block are respectively arranged at the U-shaped end of the clamp, and the upper supporting block is matched with the lower supporting block; according to the utility model, on one hand, the two ends of the lever can be stabilized through the abutting blocks on the clamp, so that the lever can be stabilized in the polishing process, the polishing precision is improved, the two groups of clamps can be ensured to be stably rotated on the same horizontal plane, the polishing efficiency is improved, the labor intensity of workers is reduced, and on the other hand, the movable rod height adjusting device can adapt to the operation heights of different workers and the convenience of subsequent processing is improved.

Description

Tool special for processing valve body of steam turbine

Technical Field

The utility model relates to the technical field of processing of turbine valve bodies, in particular to a special tool for processing a turbine valve body.

Background

The regulating steam valve is an actuating mechanism used in a steam turbine control system and is mainly used for executing control system instructions, controlling the rotating speed, the load and the like of a steam turbine unit, meeting the requirements of safe and stable operation of the unit under various working conditions, and a lever used for connecting an oil motor and a connecting plate is arranged on the regulating steam valve, so that the conveying effect is realized through the lever.

In the prior art, levers in an adjusting steam valve installed on a steam turbine are manufactured by casting integrally, burrs or residual molding sand on the levers are required to be cleaned after demolding is completed, the surfaces of the levers are required to be polished, the levers are directly placed on the plane of a workbench by conventional polishing, the levers are fixed by bench clamps and the like, when the levers need to be turned and polished, the levers need to be turned manually, the labor intensity of workers is improved while time is wasted, and the special tool for processing the valve body of the steam turbine is required to solve the problems.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, a lever is directly placed on the plane of a workbench, and then the lever is fixed by using bench clamps and the like, and when the lever needs to be turned over and polished, the lever also needs to be turned over manually, so that time is wasted, and meanwhile, the labor intensity of workers is improved.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a special frock for steam turbine valve body processing, includes the workstation, still includes: the movable rod is connected to the workbench in a sliding manner, a rotating rod is connected to the movable rod in a rotating manner, a supporting rod is fixedly connected to the rotating rod, a first locking bolt is connected to the top of the movable rod in a threaded manner, and the first locking bolt abuts against the supporting rod; the fixture is of a U-shaped structure, the fixture is fixedly connected to the supporting rod, an upper supporting block and a lower supporting block are respectively arranged at the U-shaped end of the fixture, and the upper supporting block is matched with the lower supporting block.

In order to improve the stability of centre gripping, preferably still include the side and support the piece, the bottom and the lateral wall of anchor clamps all threaded connection have the second locking bolt, the side support the piece with support the piece down and be fixed connection respectively on two sets of second locking bolts, the side support the piece with support the application of force direction of piece down and perpendicular, and be provided with the torsion bar on the second locking bolt.

In order to facilitate the subsequent rotary turnover, further, the two groups of clamps are symmetrically arranged, and the two groups of clamps are made of steel or alloy.

In order to improve the friction degree between the abutting blocks and the contact surface, preferably, the contact end surfaces of the upper abutting block, the lower abutting block and the side abutting block are made of anti-skid rubber or silica gel, and the cross section of the contact end surface is circular.

In order to facilitate the adjustment of the height of the clamping device on the workbench, preferably, a guide post is fixedly connected to the workbench, a limiting disc is slidably connected to the guide post, the movable rod is fixedly connected to the limiting disc, a fixing bolt is connected to the guide post in a threaded manner, and the fixing bolt is matched with the movable rod.

In order to effectively block scraps generated during polishing, a protective cover is further arranged on the workbench, and the protective cover is made of an acrylic plate or an aluminum alloy plate.

Compared with the prior art, the utility model provides a special tool for processing a valve body of a steam turbine, which has the following beneficial effects:

1. this a special frock for steam turbine valve body processing through supporting the piece on the anchor clamps on the one hand can stabilize the both ends of lever, makes it can stabilize at the in-process of polishing, improves the precision when polishing, on the other hand can also be in the process of rotatory turning the lever, guarantees that two sets of anchor clamps can be stable and be in the same horizontal plane on rotate, improves polishing efficiency, reduces workman's intensity of labour.

2. This a special frock for steam turbine valve body processing is when highly through the adjustment movable rod to can adapt to different workman's operating height, improve the convenience of follow-up processing.

The device has the advantages that the two ends of the lever can be stabilized through the abutting blocks on the clamps, so that the lever can be stabilized in the polishing process, the polishing precision is improved, the two groups of clamps can be stably rotated on the same horizontal plane, the polishing efficiency is improved, the labor intensity of workers is reduced, and the device can adapt to the operation heights of different workers when the height of the movable rod is adjusted, and the convenience of subsequent processing is improved.

Drawings

FIG. 1 is a schematic structural view of a tooling special for processing a valve body of a steam turbine;

FIG. 2 is a schematic diagram of the part A of FIG. 1 of a tool for machining a valve body of a steam turbine according to the present utility model;

FIG. 3 is a schematic structural view of a fixture for machining a valve body of a steam turbine according to the first embodiment of the present utility model;

fig. 4 is a schematic structural diagram II of a special fixture for processing a valve body of a steam turbine.

In the figure: 1. a work table; 2. a guide post; 3. a clamp; 301. a top supporting block; 302. a lower supporting block; 303. a second locking bolt; 304. a torsion bar; 305. a side support block; 4. a support rod; 5. a rotating rod; 501. a first locking bolt; 6. a movable rod; 601. a limiting disc; 7. a fixing bolt; 8. and a protective cover.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Examples:

referring to fig. 1-4, a special fixture for processing a valve body of a steam turbine comprises a workbench 1 for placing a valve body mounting part, a semi-annular protective cover 8 is mounted on a plane table of the workbench 1, the protective cover 8 is made of acrylic plates or aluminum alloy, scraps can be effectively intercepted on the workbench 1, the scraps are prevented from diffusing to the periphery of air, two groups of guide posts 2 are welded and mounted on the workbench 1, movable rods 6 capable of lifting are mounted on the guide posts 2, limiting plates 601 are further arranged in the guide posts 2, the limiting plates 601 are mounted at the bottoms of the movable rods 6, the movable rods 6 are prevented from derailing due to overhigh lifting, fixing bolts 7 capable of fixing the movable rods 6 are further mounted on the side walls of the guide posts 2, when the height of the movable rods 6 is required to be adjusted, the fixing bolts 7 are unscrewed firstly, then the fixing bolts 7 are directly screwed when the height of the movable rods 6 is manually adjusted, so that the operation heights of different workers can be adapted, and convenience in subsequent processing is improved.

In addition, install on guide post 2 can slide or pivoted bull stick 5, twist the pole in the four corners at the one end of bull stick 5, the other end welding at bull stick 5 is installed bracing piece 4, twist the pole through manual knob four corners, rotate or translation push-and-pull bracing piece 4, after removing or rotating suitable position, lock first lock bolt 501 that utilizes movable rod 6 top to install, with first lock bolt 501 knob to the below, make its contact end offset with bull stick 5 to guarantee the stability of bull stick 5, improve the accurate practicality of the device.

It should be explained that, the clamp 3 with a "U" shaped structure is welded on the supporting rod 4, the structure is relatively stable, and is suitable for clamping different levers, so that the clamp can be stably fixed, the "U" shaped end of the clamp 3 is respectively provided with the upper supporting block 301 and the lower supporting block 302, the contact ends of the upper supporting block 301 and the lower supporting block 302 are anti-slip rubber or silica gel pad anti-slip pads with circular cross sections, the adsorption capacity is strong, the anti-slip effect can be achieved, the anti-slip pads with circular patterns can be tightly attached to the anti-slip pads while the surfaces of the levers are in contact, the automatic attachment adjustment can be carried out according to different concave-convex degrees of the surfaces of the levers, the second locking bolt 303 is driven by rotating the torsion bar 304 to screw the lower supporting block 302, meanwhile, the side wall of the clamp 3 is also provided with the side supporting block 305, the second locking bolt 303 can be driven to screw the side supporting block 305 by rotating the torsion bar 304, so that the contact surface of the side supporting block 305 can support the side end of the lever, the force application directions of the side supporting block 305 and the lower supporting block 302 are vertically corresponding, on one hand, the two ends of the lever can be stabilized, the two ends can be stabilized in the polishing process, the polishing precision can be improved, on the other hand, the two groups of clamps 3 can be ensured to be stably rotated on the same horizontal plane in the process of rotating the turning lever, the polishing efficiency can be improved, the labor intensity of workers can be reduced, when the turning is needed, the two groups of first locking bolts 501 can be manually loosened, then the four-corner screwing rod can be rotated, the turning rod 5 can be driven to rotate, 360-degree dead-angle-free rotation can be realized in the rotation process, the cleaning efficiency in the polishing process can be ensured to be better, finally, the two groups of first locking bolts 501 can be screwed up, and the effect of turning and cleaning and polishing can be achieved, the practical convenience of the device is improved.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. The utility model provides a special frock for processing of steam turbine valve body, includes workstation (1), its characterized in that still includes:

a movable rod (6) connected on the workbench (1) in a sliding way,

the movable rod (6) is rotatably connected with a rotating rod (5), the rotating rod (5) is fixedly connected with a supporting rod (4), a first locking bolt (501) is connected to the top of the movable rod (6) in a threaded manner, and the first locking bolt (501) abuts against the supporting rod (4);

the clamp (3) is of a U-shaped structure, the clamp (3) is fixedly connected to the supporting rod (4), an upper supporting block (301) and a lower supporting block (302) are respectively arranged at the U-shaped end of the clamp (3), and the upper supporting block (301) is matched with the lower supporting block (302).

2. The special tool for processing the valve body of the steam turbine according to claim 1, further comprising a side supporting block (305), wherein the bottom and the side wall of the clamp (3) are both in threaded connection with second locking bolts (303), the side supporting block (305) and the lower supporting block (302) are respectively and fixedly connected to two groups of second locking bolts (303), the force application directions of the side supporting block (305) and the lower supporting block (302) are vertical, and torsion bars (304) are arranged on the second locking bolts (303).

3. The special fixture for processing the valve body of the steam turbine according to claim 2, wherein two groups of fixtures (3) are symmetrically arranged, and the two groups of fixtures (3) are made of steel or alloy.

4. The tooling special for processing the valve body of the steam turbine according to claim 1, wherein the contact end surfaces of the upper abutting block (301), the lower abutting block (302) and the side abutting block (305) are made of anti-skid rubber or silica gel, and the cross section of the contact end surfaces is circular.

5. The special tool for processing the valve body of the steam turbine according to claim 1, wherein a guide post (2) is fixedly connected to the workbench (1), a limiting disc (601) is slidably connected to the guide post (2), the movable rod (6) is fixedly connected to the limiting disc (601), a fixing bolt (7) is connected to the guide post (2) in a threaded mode, and the fixing bolt (7) is matched with the movable rod (6).

6. The special tool for processing the valve body of the steam turbine according to claim 5, wherein a protective cover (8) is arranged on the workbench (1), and the protective cover (8) is made of an acrylic plate or an aluminum alloy plate.

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