CN216198336U - Steam turbine turning gear - Google Patents

Abstract

The utility model provides a steam turbine turning gear which comprises a fixed rod (6), a supporting rod (5) and a rotating shaft (2), wherein the supporting rod (5) is arranged in the middle of the rotating shaft (2) and is connected with the fixed rod (6) in a fixed angle mode, and rotating shaft protective sleeves (3) are symmetrically arranged on the rotating shaft (2); a rotating shaft protective barrel fulcrum (4) is fixedly arranged below the rotating shaft protective barrel (3); an extension rod (9) is connected to the support rod (5); and a clamping device (8) matched with a rotating wheel of equipment is arranged at one end of the fixed rod (6) far away from the rotating shaft (2). The steam turbine turning gear provided by the utility model can be used for conveniently and quickly turning the gear in a time-saving and labor-saving manner, and reliably actuating the gear, so that the working efficiency is improved, and a safe and reliable working environment is provided for workers.

Description

Steam turbine turning gear

Technical Field

The utility model relates to the technical field of steam turbines, in particular to a steam turbine turning gear.

Background

The turning gear is used for judging whether a load (namely a mechanical or transmission part) driven by the motor is blocked and resistance is increased by manually rotating the motor for several circles before starting the motor, so that the starting load of the motor is not increased and the motor is not damaged (namely burned out).

In the installation process of a steam turbine in a power plant or a steel plant, the step of equipment turning is difficult, the common method is time-consuming and labor-consuming, and even the safety accident can be caused due to poor operation, so that the problem that the equipment turning is a large-scale equipment installation such as the steam turbine and the like always troubles people is solved.

The gear is stressed greatly because the jigger of large-scale equipment is heavy. Therefore, if the gear is not reliably and stably fixed during the turning process, the adjustment of the degree of meshing of the gear is difficult.

Therefore, the gear turning device for the large-scale equipment is urgently needed and particularly important, can be used for conveniently and quickly turning gears, saves time and labor and reliably actuating the gears, and therefore not only is the working efficiency improved, but also a safe and reliable working environment is provided for workers.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, the present invention provides a steam turbine turning gear device, which can conveniently and quickly turn a gear in a time-saving and labor-saving manner, and can reliably actuate the gear, thereby improving the working efficiency and providing a safe and reliable working environment for workers.

The utility model provides a steam turbine barring gear, which comprises a fixed rod, a supporting rod and a rotating shaft, wherein the supporting rod is arranged in the middle of the rotating shaft and is connected with the fixed rod at a fixed angle; a rotating shaft protective cylinder fulcrum is fixedly arranged below the rotating shaft protective cylinder; the support rod is connected with an extension rod; and a clamping device matched with a rotating wheel of equipment is arranged at one end of the fixed rod, which is far away from the rotating shaft.

In addition, it is preferable that the number of the pivot of the rotation shaft casing be an integral multiple of the rotation shaft casing.

Further, it is preferable that a fixing lever fulcrum is provided on a lower surface of the fixing lever.

In addition, it is preferable that the number of the fixing lever fulcrums is at least one.

In addition, the clamping device preferably comprises a bolt, a screw, a stud and a bolt.

In addition, it is preferable that the extension pole is detachably connected to the support pole by a bolt.

Further, it is preferable that an angle between the support bar and the fixing bar is in a range of 100 ° to 140 °.

In addition, the steam turbine turning gear is preferably configured to have a size proportional to a size of a gear of the equipment to be turned.

In addition, it is preferable that a bottom plate is provided on lower surfaces of the pivot of the rotation shaft casing and the pivot of the fixing lever.

In addition, it is preferable that a roller is provided under the bottom plate.

From the above description, the steam turbine barring device provided by the utility model applies a small force to the supporting rod through the lever principle to enable the fixing rod to block the gear of the large-scale equipment, and has the advantages of simple structure, convenience and flexibility in operation, wide applicability, improvement of working efficiency, reduction of investment cost and saving of manpower and material resources.

Drawings

Other objects and results of the present invention will become more apparent and more readily appreciated as the same becomes better understood by reference to the following description and appended claims, taken in conjunction with the accompanying drawings.

In the drawings:

FIG. 1 is a front view of a steam turbine barring apparatus according to an embodiment of the present invention;

FIG. 2 is a top view of a steam turbine barring apparatus according to an embodiment of the utility model;

fig. 3 is a detailed operation diagram of the steam turbine turning gear according to the embodiment of the present invention.

Description of the drawings:

1. bottom plate 2, rotating shaft 3 and rotating shaft protection cylinder

4. Rotating shaft protective cylinder fulcrum 5, supporting rod 6 and fixing rod

7. Fixed rod pivot 8, clamping device 9 and extension rod

10. Roller wheel

The same reference numbers in all figures indicate similar or corresponding features or functions.

Detailed Description

Exemplary embodiments will now be described more fully hereinafter with reference to the accompanying drawings. The exemplary embodiments, however, may be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

Furthermore, the drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted. In the present disclosure, the terms "include", "arrange", "disposed" and "disposed" are used to mean open-ended inclusion, and mean that there may be additional elements/components/etc. in addition to the listed elements/components/etc.; the terms "first," "second," and the like are used merely as labels, and are not limiting as to the number or order of their objects; the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the utility model and for simplicity in description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the utility model.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

FIG. 1 is a front view of a steam turbine barring apparatus according to an embodiment of the present invention; fig. 2 is a plan view of a steam turbine turning gear according to an embodiment of the present invention, and fig. 3 is a detailed operation diagram of the steam turbine turning gear according to the embodiment of the present invention.

As shown in fig. 1 to 2, a steam turbine barring apparatus according to the present invention includes a fixing rod 6, a support rod 5, a rotating shaft 2, a rotating shaft casing 3 disposed on the rotating shaft 2, and a rotating shaft casing fulcrum 4 fixedly disposed below the rotating shaft casing 3, and the above components constitute a main frame of the steam turbine barring apparatus by a lever principle.

Wherein, bracing piece 5, dead lever 6 and axis of rotation 2, fixed connection between the three, the angle range that bracing piece 5 and dead lever 6 formed is 100 ~ 140, of course, the angle range only refers to, in the operation of reality contained angle between the two be the obtuse angle can, in detail, the material of the power that can bear certain intensity such as steel pipe, billet can be selected to the material of bracing piece 5, dead lever 6.

Specifically, be provided with extension rod 9 on bracing piece 5, extension rod 9 is detachable construction, and the cover is put on bracing piece 5, can connect through the bolt, uses in good time according to the operating condition on scene, when treating the barring equipment and prying up the difficulty, through the length of extension bracing piece 5, increases lever power and pries and move the equipment of treating the barring.

Specifically, the lower surface of the fixing rod 6 is provided with a fixing rod fulcrum 7, the fixing rod fulcrum 7 and the fixing rod fulcrum 7 are connected with each other, a supporting and placing point is provided for the fixing rod 6, and the number of the fixing rod fulcrums 7 is at least 1.

Specifically, the axis of rotation protects a 3 symmetry settings at the both ends of the horizontal axis of rotation 2, and the internal diameter size that the axis of rotation protected a 3 is greater than the external diameter of axis of rotation 2, makes axis of rotation 2 under the drive of bracing piece 5, protects a 3 internal rotations at the axis of rotation, and is corresponding, can protect the position that a 3 contacted at axis of rotation 2 and axis of rotation and paint lubricated material, and the smoothness nature of convenient operation reduces frictional force at the in-process that presses, makes to press and reduces relatively hard.

It should be noted that the number of the rotation shaft casing supporting points 4 is an integral multiple of the rotation shaft casing 3, and the rotation shaft casing supporting points 4 function as supporting points in the whole device.

Specifically, a clamping device 8 used for being matched with a rotating wheel of equipment is arranged at one end, far away from the rotating shaft 2, of the fixed rod 6, the clamping device 8 comprises a bolt, a screw, a stud, a pin bolt and the like, the fixed rod 6 and the clamping device 8 are connected to form a structure, when the clamping device is used, the clamping device is clamped at a point to be tilted, upward force is applied through a lever, and the gear is rotated.

The bottom plate 1 is arranged below the rotating shaft protective cylinder fulcrum 4 and the fixed rod fulcrum 7, so that the device is fixed on a horizontal plane and is convenient to use.

It is particularly emphasized that the size of the steam turbine turning gear is proportional to the size of the gear of the equipment to be turned.

The present invention will be further explained in terms of embodiments in the following star system with reference to the drawings, which are illustrative of the present invention and are not intended to limit the present invention.

As shown collectively in fig. 1-3, the steam turbine barring device is assembled as described above.

Firstly, the steam turbine turning gear is moved to the equipment to be operated through the roller 10, and the roller 10 is fixed through the stop piece.

Then, the engaging device 8 is disposed at the gear of the equipment, and the operator applies a downward force to the support bar 5 to obtain an upward amplified force at the engaging device 8 by using the principle of leverage.

Finally, the gear is pried by the upward force of the clamping device 8, so that the purpose of turning is achieved.

As can be seen from the above description, the steam turbine turning gear of the present invention has at least the following advantages:

1. the steam turbine turning gear has the advantages of simple structure, easiness in understanding by operators, reduction in manpower and material resources, convenience and flexibility in operation and the like.

2. The steam turbine barring device can be used for gear barring of equipment such as a steam turbine and the like, and is wide in application range and high in universality.

3. Utilize lever principle to make front end clamping device and gear direct contact, avoided because of the construction danger that the hand takes place too closely from the gear, make operating personnel have certain safe distance from the gear of equipment, maneuverability is strong, improves work efficiency greatly and through setting up the gyro wheel on the bottom plate, it is more convenient to remove, improves efficiency of construction and construction safety nature.

The steam turbine turning gear according to the present invention is described above by way of example with reference to the accompanying drawings. However, it will be appreciated by those skilled in the art that various modifications may be made to the steam turbine turning gear as set forth in the foregoing disclosure without departing from the scope of the utility model. Therefore, the scope of the present invention should be determined by the contents of the appended claims.

Claims (10)

1. A steam turbine barring gear comprises a fixed rod (6), a support rod (5) and a rotating shaft (2), wherein the support rod (5) is arranged in the middle of the rotating shaft (2) and is connected with the fixed rod (6) in a fixed angle manner,

the rotating shaft (2) is symmetrically provided with rotating shaft protecting cylinders (3);

a rotating shaft protective barrel fulcrum (4) is fixedly arranged below the rotating shaft protective barrel (3);

an extension rod (9) is connected to the support rod (5);

and a clamping device (8) matched with a rotating wheel of equipment is arranged at one end of the fixed rod (6) far away from the rotating shaft (2).

2. The steam turbine turning gear of claim 1,

the number of the rotating shaft protective cylinder supporting points (4) is integral multiple of the rotating shaft protective cylinder (3).

3. The steam turbine turning gear of claim 1,

and a fixing rod fulcrum (7) is arranged on the lower surface of the fixing rod (6).

4. The steam turbine turning gear of claim 3,

the number of the fixed rod fulcrums (7) is at least 1.

5. The steam turbine turning gear of claim 1,

the clamping device (8) comprises a bolt, a screw, a stud and a pin bolt.

6. The steam turbine turning gear of claim 1,

the extension rod (9) is detachably connected with the support rod (5) through a bolt.

7. The steam turbine turning gear of claim 1,

the angle between the support rod (5) and the fixing rod (6) ranges from 100 degrees to 140 degrees.

8. The steam turbine turning gear of claim 1,

the size of the steam turbine turning gear is in direct proportion to the size of a gear of equipment to be turned.

9. The steam turbine turning gear of claim 1,

and the lower surfaces of the rotating shaft protective sleeve fulcrum (4) and the fixed rod fulcrum (7) are provided with a bottom plate (1).

10. The steam turbine turning gear of claim 9,

and a roller (10) is arranged below the bottom plate (1).

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