CN217371415U

CN217371415U - Steam turbine blade positioning fixture

Info

Publication number: CN217371415U
Application number: CN202123355481.2U
Authority: CN
Inventors: 王文洪; 谭伟; 李光东; 何少华
Original assignee: Chengdu Yunli Technology Co ltd
Current assignee: Chengdu Yunli Technology Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-09-06
Anticipated expiration: 2031-12-28

Abstract

A turbine blade positioning clamp belongs to the field of turbine blades and aims to solve the problems of poor universality and practicability, large equipment energy consumption and serious energy waste of the existing turbine blade positioning clamp; the base is rectangular and long, the top of the left side of the base is connected with a moving frame in a sliding mode, an adjusting screw rod is rotatably connected into the end face of the top of the left side of the base, the top of the right side of the base is connected with a slidable motor in a sliding mode, an upright post is welded at the top of the right side of the base, and two driving gears are rotatably connected to the bottom of the right side wall of the upright post; this steam turbine blade positioning fixture rotates in the removal regulation seat of removal frame bottom through adjusting screw, makes the removal frame slide on the distance adjustment spout to the adjustment removes the distance between frame and the blade root anchor clamps, thereby can fix a position fixedly through this anchor clamps to the steam turbine blade of unidimensional not, so that increase the device's practicality and commonality.

Description

Steam turbine blade positioning fixture

Technical Field

The utility model relates to a steam turbine blade technical field especially relates to a steam turbine blade positioning fixture.

Background

The steam turbine blade is one of the accessory of an assembly on the steam turbine, the effect of steam turbine blade mainly orders about the rotation through steam, thereby reach the purpose of electricity generation, consequently, the blade is the key part of steam turbine, it is finest again, one of the most important part, current steam turbine blade positioning fixture is mostly fixed pattern, only can be applicable to and fix a position the tight operation of clamp to fixed blade pattern, commonality and practicality are relatively poor, and install a plurality of motors and hydraulic pressure mechanism, motor and hydraulic pressure mechanism utilization ratio are generally lower, so that equipment energy consumption is great, cause the waste of the energy.

Therefore, the existing structure and the defects are researched and improved, and the positioning clamp for the turbine blade is provided, so that the aim of achieving higher practical value is fulfilled.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a steam turbine blade positioning fixture to the current steam turbine blade positioning fixture who proposes in solving above-mentioned background art is mostly fixed pattern, and commonality and practicality are relatively poor, and installs a plurality of motors and hydraulic pressure mechanism, and equipment energy consumption is great, the extravagant serious problem of the energy.

The utility model discloses steam turbine blade positioning fixture's purpose and efficiency are reached by following concrete technical means:

a turbine blade positioning fixture comprises a base;

the base is rectangular and long, the top of the left side of the base is connected with a moving frame in a sliding mode, an adjusting screw rod is rotatably connected into the end face of the top of the left side of the base, the top of the right side of the base is connected with a slidable motor in a sliding mode, an upright post is welded at the top of the right side of the base, and two driving gears are rotatably connected to the bottom of the right side wall of the upright post; the right side of the blade root clamp is rotatably connected to the top of the upright post, and the middle top of the blade root clamp is slidably connected with an upper clamp.

Further, the distance adjustment spout has been seted up at the left side top of base, and the right-hand member of distance adjustment spout is connected in stand left side wall bottom, and the right side of stand is provided with two motor and removes the spout, rotates in the left and right sides wall of distance adjustment spout to be connected with adjusting screw, and adjusting screw's right-hand member welding has the driven control gear, and the driven control gear rotates to be connected in stand right side wall bottom.

Furthermore, trapezoidal sliders are welded at the bottoms of the front side and the rear side of the slidable motor, the trapezoidal sliders are connected to the motor moving sliding grooves in a sliding mode, an adjusting threaded hole is formed in the middle of the bottom of the slidable motor, a motor control screw rod is connected to the adjusting threaded hole in a threaded mode, and a spline is arranged at the front end of a driving shaft of the slidable motor.

Further, the driving gear is that the form is provided with two side by side, and the left side wall of driving gear all rotates to be connected in the right side wall of stand, and the department has seted up the keyway in the middle of the driving gear, and the left side driving gear passes through the belt to be connected with the driven gear meshing on blade root anchor clamps right side, and right side driving gear bottom is connected with the meshing of driven control gear top.

Furthermore, a rotating shaft is welded on the right side wall of the blade root fixture, a driven gear is welded in the middle of the right side wall of the rotating shaft, and the driven gear is in transmission connection with the driving gear through a belt.

Furthermore, the top of the blade root clamp is connected with a top plate through four cylinders, an adjusting motor is installed at the top of the top plate, a clamp screw rod is connected to a bottom driving shaft of the adjusting motor, and the clamp screw rod is in threaded through connection with the upper clamp.

Further, the bottom welding of removal frame has the removal to adjust the seat, removes to adjust seat sliding connection in the distance adjustment spout, removes to adjust seat threaded connection on adjusting screw, and the top of removing the frame is rotated and is connected with the footstock, and the right side of footstock is the toper.

Compare with current structure under, the utility model discloses following beneficial effect has:

1. the utility model discloses a rotate the position about motor control screw changes slidable motor, thereby change slidable motor drive shaft front end and splined connection's driving gear, when spline and left side driving gear are connected, the driving gear passes through the belt and drives the blade root anchor clamps rotation, so that accomplish the cutting shaping to the steam turbine blade, when spline and right side driving gear are connected, the driving gear drives adjusting screw through being connected with the driven control gear meshing and rotates, change the position of removing the frame through adjusting screw, accomplish the fixed operation in location to the steam turbine blade through removing the frame, thereby prevent that the steam turbine blade from appearing rocking in the rotation process, be convenient for improve the processing stability of steam turbine blade.

2. The utility model discloses a set up two driving gears, make the fixed and rotatory two kinds of operation modes in slidable motor control location to make full use of current mechanical equipment reduces the consumption of resource, improve equipment utilization rate.

3. The utility model discloses an adjusting screw rotates in the removal regulation seat of removal frame bottom, makes the removal frame slide on the distance adjustment spout to the adjustment removes the distance between frame and the blade root anchor clamps, thereby can fix a position fixedly through this anchor clamps to unidimensional steam turbine blade, so that increase the device's practicality and commonality.

Drawings

FIG. 1 is a schematic view of the right front side axial view structure of the present invention;

FIG. 2 is a schematic view of the overall split structure of the present invention;

FIG. 3 is a schematic view of the base cutting structure of the present invention;

fig. 4 is a schematic view of the detachable structure of the slidable motor, the driving gear and the adjusting screw of the present invention;

fig. 5 is a schematic view of the structure of the blade root fixture and the upper fixture of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a base; 101. a distance adjusting chute; 102. a column; 103. a motor moving chute; 2. a slidable motor; 201. a trapezoidal slider; 202. adjusting the threaded hole; 203. a spline; 3. a driving gear; 301. a keyway; 4. adjusting the screw rod; 401. a driven control gear; 5. a motor controls the screw; 6. a belt; 7. a blade root clamp; 701. a rotating shaft; 702. a driven gear; 703. a top plate; 8. an upper clamp; 9. adjusting the motor; 901. a clamp screw; 10. a movable frame; 1001. moving the adjusting seat; 1002. a top seat.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 5:

the utility model provides a steam turbine blade positioning fixture, including: a base 1;

the base 1 is rectangular and long, a distance adjusting sliding groove 101 is formed in the top of the left side of the base 1, the right end of the distance adjusting sliding groove 101 is connected to the bottom of the left side wall of the upright post 102, two motor moving sliding grooves 103 are formed in the right side of the upright post 102, an adjusting screw rod 4 is rotatably connected into the left side wall and the right side wall of the distance adjusting sliding groove 101, a driven control gear 401 is welded at the right end of the adjusting screw rod 4, the driven control gear 401 is rotatably connected to the bottom of the right side wall of the upright post 102, a moving frame 10 is slidably connected to the top of the left side of the base 1, a slidable motor 2 is slidably connected to the top of the right side of the base 1, the upright post 102 is welded to the top of the right side of the base 1, and two driving gears 3 are rotatably connected to the bottom of the right side wall of the upright post 102; blade root anchor clamps 7, blade root anchor clamps 7 right side is rotated and is connected at stand 102 top, and top sliding connection has last anchor clamps 8 in blade root anchor clamps 7, and concrete effect moves frame 10 and slides on the distance adjustment spout 101 at base 1 left side top under adjusting screw 4's control, moves frame 10 and carries out the location clamping operation to the turbine blade through cooperation blade root anchor clamps 7, improves the location effect to improve the accuracy of turbine blade cutting.

Wherein, the bottom of the front and back sides of the slidable motor 2 is welded with a trapezoidal sliding block 201, the trapezoidal sliding block 201 is slidably connected with the motor moving chute 103, the middle of the bottom of the slidable motor 2 is provided with an adjusting threaded hole 202, the adjusting threaded hole 202 is internally connected with a motor control screw 5 by threads, the front end of the driving shaft of the slidable motor 2 is provided with a spline 203, the left and right positions of the slidable motor 2 are changed by rotating the motor control screw 5, thereby changing the driving gear 3 which is connected with the spline 203 at the front end of the driving shaft of the slidable motor 2, when the spline 203 is connected with the left driving gear 3, the driving gear 3 drives the blade root clamp 7 to rotate by the belt 6 so as to complete the cutting and forming of the turbine blade, when the spline 203 is connected with the right driving gear 3, the driving gear 3 drives the adjusting screw 4 to rotate by meshing with the driven control gear 401, the position of the moving frame 10 is changed through the adjusting screw rod 4, and the positioning and fixing operation is completed on the turbine blade through the moving frame 10, so that the turbine blade is prevented from shaking in the rotating process, and the processing stability of the turbine blade is improved conveniently.

Wherein, the driving gear 3 is and describes two side by side, the left side wall of driving gear 3 all rotates to be connected in the right side wall of stand 102, keyway 301 has been seted up to department in the middle of the driving gear 3, left side driving gear 3 passes through belt 6 and is connected with the driven gear 702 meshing on root anchor clamps 7 right side, 3 bottoms of right side driving gear are connected with the meshing of driven control gear 401 top, concrete action, through setting up two driving gears 3, make two kinds of operation modes of a slidable motor 2 control location fixed and rotatory, so that make full use of current mechanical equipment, reduce the consumption of resource, the rate of utilization of equipment is improved.

Wherein, the welding has pivot 701 on the right side wall of blade root anchor clamps 7, department welding has driven gear 702 in the middle of the right side wall of pivot 701, driven gear 702 passes through belt 6 and is connected with the transmission of driving gear 3, the top of blade root anchor clamps 7 is connected with roof 703 through four cylinders, accommodate motor 9 is installed at the top of roof 703, be connected with anchor clamps screw 901 on the bottom drive shaft of accommodate motor 9, anchor clamps screw 901 screw thread through connection is at last anchor clamps 8, concrete effect, accommodate motor 9 is close to or keeps away from with blade root anchor clamps 7 top through anchor clamps screw 901 control last anchor clamps 8, so as to fix turbine blade root, prevent that the not hard up condition from appearing in the course of working of turbine blade, avoid turbine blade cutting to repair the in-process and drop, be convenient for improve the security.

Wherein, the bottom welding of removal frame 10 has the removal to adjust seat 1001, remove and adjust seat 1001 sliding connection in apart from adjusting the spout 101, remove and adjust seat 1001 threaded connection on adjusting screw 4, the top of removing frame 10 is rotated and is connected with footstock 1002, the right side of footstock 1002 is the toper, concrete function, rotate in the removal of removing frame 10 bottom through adjusting screw 4 and adjust seat 1001, make and remove frame 10 and slide on apart from adjusting the spout 101, so that adjust the distance between removal frame 10 and the blade root anchor clamps 7, thereby can fix a position fixedly through this anchor clamps to the turbine blade of unidimensional not, so that increase the practicality and the commonality of the device.

The specific use mode and function of the embodiment are as follows:

when the turbine blade positioning clamp is used, firstly, the root of the turbine blade is placed on the left side of the top of a blade root clamp 7, an adjusting motor 9 controls an upper clamp 8 to be close to or far from the top of the blade root clamp 7 through a clamp screw 901 so as to fix the root of the turbine blade, then a motor control screw 5 is rotated to connect a spline 203 of a slidable motor 2 with a right driving gear 3, the driving gear 3 is meshed with a driven control gear 401 to drive an adjusting screw 4 to rotate, a movable frame 10 slides on a distance adjusting chute 101 so as to adjust the distance between the movable frame 10 and the blade root clamp 7, thereby the turbine blades with different sizes can be positioned and fixed through the clamp, finally, the motor control screw 5 is rotated to connect the spline 203 of the slidable motor 2 with the left driving gear 3, and the driving gear 3 drives the blade root clamp 7 to rotate through a belt 6, so as to finish the cutting and forming of the turbine blade.

In summary, although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or some features may be replaced with equivalents.

Claims

1. A steam turbine blade positioning fixture, comprising: a base (1);

the method is characterized in that: the movable rack (10) is connected to the top of the left side of the base (1) in a sliding mode, the adjusting screw (4) is connected to the end face of the top of the left side of the base (1) in a rotating mode, the slidable motor (2) is connected to the top of the right side of the base (1) in a sliding mode, the stand column (102) is welded to the top of the right side of the base (1), and the bottom of the right side wall of the stand column (102) is connected with the two driving gears (3) in a rotating mode; the right side of the blade root clamp (7) is rotatably connected to the top of the upright post (102), and the top of the blade root clamp (7) is slidably connected with an upper clamp (8).

2. The turbine blade positioning jig of claim 1, wherein: distance regulation spout (101) have been seted up at the left side top of base (1), and the right-hand member of distance regulation spout (101) is connected in stand (102) left side wall bottom, and the right side of stand (102) is provided with two motors and removes spout (103), rotates in the left and right sides wall of distance regulation spout (101) and is connected with adjusting screw (4), and the right-hand member welding of adjusting screw (4) has driven control gear (401), and driven control gear (401) rotate to be connected in stand (102) right side wall bottom.

3. The turbine blade positioning fixture of claim 1, wherein: trapezoidal slider (201) have been welded to both sides bottom around slidable motor (2), trapezoidal slider (201) sliding connection is in motor removal spout (103), and regulation screw hole (202) have been seted up to the bottom centre department of slidable motor (2), and threaded connection has motor control screw (5) in adjusting screw hole (202), and the drive shaft front end of slidable motor (2) is provided with spline (203).

4. The turbine blade positioning jig of claim 1, wherein: the driving gear (3) are provided with two in the form of side by side, and the left side wall of driving gear (3) all rotates to be connected in the right side wall of stand (102), and keyway (301) have been seted up to department in the middle of driving gear (3), and left side driving gear (3) are connected through belt (6) and driven gear (702) meshing on root anchor clamps (7) right side, and right side driving gear (3) bottom is connected with driven control gear (401) top meshing.

5. The turbine blade positioning fixture of claim 1, wherein: the blade root fixture is characterized in that a rotating shaft (701) is welded on the right side wall of the blade root fixture (7), a driven gear (702) is welded in the middle of the right side wall of the rotating shaft (701), and the driven gear (702) is in transmission connection with the driving gear (3) through a belt (6).

6. The turbine blade positioning jig of claim 1, wherein: the top of the blade root fixture (7) is connected with a top plate (703) through four cylinders, an adjusting motor (9) is installed at the top of the top plate (703), a fixture screw rod (901) is connected to a bottom driving shaft of the adjusting motor (9), and the fixture screw rod (901) is in threaded through connection with an upper fixture (8).

7. The turbine blade positioning fixture of claim 1, wherein: the bottom welding of removing frame (10) has removal regulation seat (1001), removes regulation seat (1001) sliding connection in apart from adjusting spout (101), removes regulation seat (1001) threaded connection on adjusting screw (4), and the top of removing frame (10) is rotated and is connected with footstock (1002).