CN218693221U - Rolling wheel tooling for steam turbine shroud band coiling - Google Patents

Abstract

The utility model discloses a steam turbine shroud ring crimping gyro wheel frock, two blocks of wallboards including the interval setting, rotatable and interval are provided with two bearing rollers between two blocks of wallboards, can reciprocate the drive roll of locating two bearing roller tops, the drive roll is connected with the power supply, the drive roll both ends all correspond and rotate the supporting by a slide, the slide can slide from top to bottom and install in the spout of seting up on corresponding a wallboard, the indicator has been installed in the slide outside, the indicator is including installing the fixing base in the slide outside, can follow the instruction piece of adjusting position about the fixing base, instruction piece one end is equipped with short pointer and long pointer, correspond with the short pointer on the fixing base and be carved with first scale group, the wallboard outside corresponds with the long pointer and is carved with second scale group, first scale group is used for instructing shroud ring raw and other materials thickness, second scale group is used for instructing the shroud ring crimping external diameter.

Description

Rolling wheel tooling for steam turbine shroud band coiling

Technical Field

The utility model relates to a steam turbine shroud forming tool technical field specifically is a gyro wheel frock is rolled up to steam turbine shroud.

Background

The steam turbine shroud is an important part for fixing blades in a steam turbine, and meanwhile, the damping effect can be achieved, the assembled structure is a circular thin-walled part, therefore, a straight thin plate after the manufacturing of a previous procedure is required to be processed into an open-loop circular part during production, and the assembled structure is welded or riveted with a steam turbine rotor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a steam turbine shroud belt crimping gyro wheel frock has simple structure, convenient operation, and the problem among the prior art has been solved to the advantage that the practicality is good.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a steam turbine shroud band crimping gyro wheel frock, includes two blocks of wallboard 5 that the interval set up, two rotatable and interval set up two pressure-bearing rollers 3 between the wallboard 5, can reciprocate and locate two drive roll 2 above the pressure-bearing roller 3, drive roll 2 is connected with the power supply, drive roll 2 both ends all correspond and rotate the support by a slide 10, slide 10 can slide from top to bottom and install and correspond one in the spout 9 of seting up on the wallboard 5, indicator 11 has been installed in the slide 10 outside, indicator 11 is including installing the fixing base 1101 in the slide 10 outside can be followed the instruction piece 1104 of fixing base 1101 vertical adjustment position, instruction piece 1104 one end is equipped with short pointer 11041 and long pointer 11042, on the fixing base 1101 with short pointer 11041 corresponds and is carved with first scale line group 1105, the wallboard 5 outside with long pointer 11042 corresponds and is carved with second scale line group 12, first scale line group 1105 is used for instructing the shroud band raw and other materials thickness, second scale line group 12 is used for instructing the shroud band crimping external diameter.

Further, a cavity 11011 is formed in the fixing base 1101, a screw 1106 is vertically and rotatably installed on the fixing base 1101, the middle of the indicating block 1104 is in sliding fit with the cavity 11011 and is screwed with the screw 1106, and when the screw 1106 rotates, the indicating block 1104 moves up and down along the cavity 11011.

Furthermore, a cover plate 1103 is installed on the outer side of the fixed seat 1101, a guide groove 1107 is formed between the cover plate 1103 and the fixed seat 1101, guide portions 11043 are arranged on two sides of the indication block 1104 and are in sliding fit with the guide groove 1107, and the long pointer 11042 and the short pointer 11041 are formed by extending the guide portions 11043 on one side.

Further, a window 11031 is formed in the cover plate 1103 corresponding to the cavity 11011, and a knob 1102 is mounted at the upper end of the screw 1106.

Further, this steam turbine shroud band crimping gyro wheel frock is still including being used for connecting two the bottom plate 4 of 5 lower extremes of wallboard and being used for connecting two roof 6, every of 5 upper ends of wallboard the equal rotatable adjusting screw 7 that is connected with in slide 10 upper ends, adjusting screw 7 with 6 screw thread of roof close soon and run through roof 6, hand wheel 8 is installed to adjusting screw 7 upper end.

Furthermore, the power source is a handle 1 arranged at one end of the driving roller 2 and extending to the shaft end.

The utility model has the advantages that: the utility model provides a pair of steam turbine shroud belt roll-in gyro wheel frock, installation that can be convenient at steam turbine assembly workshop section, be used for carrying out the roll-in to the steam turbine shroud belt nearby and press the processing, to different raw and other materials thickness, the rotating knob makes the short pointer aim at the thickness scale that corresponds on the first scale group, then according to the roll-in radius value of steam turbine shroud belt design, the upper and lower position that rotates the hand wheel and adjusts the drive roll makes the long pointer aim at corresponding radial scale mark on the second scale group, send into between drive roll and the backing roll and wave the handle with raw and other materials again and make raw and other materials limit and send the limit roll-in, press and finish up to a raw and other materials roll-in, the shroud belt radius after the roll-in this moment is required radius promptly, do not need repeated examination paper in the use, high efficiency, and convenient operation, good practicability, the technical requirement to the assembly pincers worker has effectively been reduced.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is a cross-sectional view of the present invention;

fig. 4 is a rear view of the present invention;

FIG. 5 is a front view of the indicator of the present invention;

FIG. 6 is a cross-sectional view taken along line B-B of FIG. 5;

fig. 7 is a cross-sectional view taken along line C-C of fig. 5.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-7, a steam turbine shroud band rolling roller tool comprises two wall plates 5 arranged at intervals, two pressure-bearing rollers 3 are rotatably arranged between the two wall plates 5 at intervals, a driving roller 2 arranged above the two pressure-bearing rollers 3 can move up and down, the driving roller 2 is connected with a power source, two ends of the driving roller 2 are correspondingly rotatably supported by a sliding seat 10, the sliding seat 10 can be arranged in a sliding groove 9 formed in one corresponding wall plate 5 in a vertical sliding manner, the steam turbine shroud band rolling roller tool further comprises a bottom plate 4 used for connecting the lower ends of the two wall plates 5 and a top plate 6 used for connecting the upper ends of the two wall plates 5, so that the wall plates 5, the bottom plate 4 and the top plate 6 form a stable frame structure, the stability in use is ensured, the upper end of each sliding seat 10 can be rotatably connected with an adjusting screw rod 7, the adjusting screw rod 7 is screwed with the top plate 6 and penetrates through the top plate 6, the upper end of the adjusting screw rod 7 is provided with a hand wheel 8, and the adjusting screw rod 7 rotates in a corresponding threaded hole on the top plate 6 to drive the sliding seat to move up and down when the sliding seat is rotated; the indicator 11 is arranged on the outer side of the sliding seat 10, the indicator 11 comprises a fixed seat 1101 arranged on the outer side of the sliding seat 10, and an indicating block 1104 capable of adjusting the position vertically along the fixed seat 1101, one end of the indicating block 1104 is provided with a short pointer 11041 and a long pointer 11042, a first scale line group 1105 is carved on the fixed seat 1101 corresponding to the short pointer 11041, a second scale line group 12 is carved on the outer side of the wallboard 5 corresponding to the long pointer 11042, the first scale line group 1105 is used for indicating the thickness of the raw material of the girth belt, and the second scale line group 12 is used for indicating the outer diameter of the winding pressure of the girth belt; here, the first scale line group 1105 and the second scale line group 12 are engraved with numbers corresponding to the scale line side, which represent the thickness of the raw material of the shroud band, or the value of the crimping radius, and the axis of the drive roll 2 is coplanar with the symmetry plane of the two backing rolls 3.

Through the arrangement, generally, one scale mark at the uppermost end of the first scale line group 1105 is a zero line, after the steam turbine shroud band coiling and pressing roller tool is assembled, the adjustment is carried out to enable the lower edge of the driving roller 2 and the upper edge of the pressure bearing roller 3 to be positioned at the same horizontal tangent plane position, and at the moment, the short pointer 11041 is aligned with the zero line of the first scale line group 1105; the uppermost scale line of the second scale line group 12 is an infinite radius (i.e. an ideal flat plane without a rolling effect), the lowermost scale line is a minimum radius value which can be rolled by the turbine shroud rolling roller tool, and during adjustment, when the short pointer 11041 is aligned with a zero line of the first scale line group 1105, the long pointer 11042 is aligned with the uppermost scale line of the second scale line group 12;

when the tool is used, the tool can be conveniently installed at a steam turbine assembling working section and used for carrying out winding processing on a steam turbine shroud nearby, firstly, the thickness of a raw material plate is detected, the position of the indicating block 1104 is adjusted according to different thicknesses of the raw material plate, the short pointer 11041 is aligned to one scale mark corresponding to a thickness value on the first scale mark group 1105, then, according to a winding radius value designed for the steam turbine shroud, the hand wheel 8 is rotated to drive the sliding seat 10 to move downwards to adjust the upper position and the lower position of the driving roller 2, the long pointer 11042 is aligned to one scale mark corresponding to a specified winding radius value on the second scale mark group 12, then, the raw material is fed between the driving roller 2 and the pressure bearing roller 3, the handle 1 is shaken until one raw material is completely wound, the radius of the wound and compressed shroud is the required radius, repeated test winding is not needed in the using process, the efficiency is high, the operation is convenient, the practicability is good, and the technical requirements for assembling bench workers are effectively reduced.

In a further preferred embodiment, a cavity 11011 is formed in the fixed seat 1101, a screw 1106 is vertically and rotatably installed on the fixed seat 1101, the middle of the indicating block 1104 is in sliding fit with the cavity 11011 and is screwed with the screw 1106, and the indicating block 1104 moves up and down along the cavity 11011 when the screw 1106 rotates, so that the indicating block 1104 is high in precision and good in stability when moving.

In a further preferred embodiment, a cover plate 1103 is mounted on the outer side of the fixed seat 1101, a guide groove 1107 is formed between the cover plate 1103 and the fixed seat 1101, guide portions 11043 are arranged on two sides of the indication block 1104 and are in sliding fit with the guide groove 1107, the long pointer 11042 and the short pointer 11041 are formed by extending the guide portion 11043 on one side, and through the action of the guide groove 1107, the indication block 1104 is prevented from rotating to scratch the scale marks and the long pointer 11042 and the short pointer 11041 are kept pointing stably.

In a further preferred embodiment, the cover plate 1103 has a window 11031 corresponding to the cavity 11011 for facilitating observation and lubricant addition, the upper end of the screw 1106 is provided with a knob 1102, and the screw 1106 can be conveniently rotated by rotating the knob 1102, so that the short pointer 11041 is aligned with the corresponding thickness scale mark on the first scale line group 1105, and the long pointer 11042 is aligned with the scale mark on the second scale line group 12 with the corresponding radius.

In a further preferred embodiment, the power source is a handle 1 arranged at the end of the extended shaft of one end of the driving roller 2, and the operation is labor-saving and convenient by arranging the handle 1.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but 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 thus should not be construed as limiting the present invention.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a steam turbine shroud pressure gyro wheel frock, includes two blocks of wallboard (5) that the interval set up, two rotatable and interval are provided with two bearing roller (3), can reciprocate between wallboard (5) and locate two drive roll (2) of bearing roller (3) top, drive roll (2) are connected its characterized in that with the power supply: the two ends of the driving roller (2) are correspondingly rotatably supported by a sliding seat (10), the sliding seat (10) can be vertically slidably mounted in a corresponding sliding groove (9) formed in the wallboard (5), an indicator (11) is mounted on the outer side of the sliding seat (10), the indicator (11) comprises a fixed seat (1101) mounted on the outer side of the sliding seat (10), an indicating block (1104) capable of vertically adjusting the position of the fixed seat (1101), a short pointer (11041) and a long pointer (11042) are arranged at one end of the indicating block (1104), a first scale line group (1105) is correspondingly carved on the fixed seat (1101) and the short pointer (11041), a second scale line group (12) is correspondingly carved on the outer side of the wallboard (5) and the long pointer (11042), the first scale line group (1105) is used for indicating the thickness of a raw material of a girth belt, and the second scale line group (12) is used for indicating the crimping outer diameter of the girth belt.

2. The turbine shroud belt crimping roller tooling of claim 1, characterized in that: the indicating device is characterized in that a cavity (11011) is formed in the fixed seat (1101), a screw rod (1106) is vertically and rotatably arranged on the fixed seat (1101), the middle of the indicating block (1104) is in sliding fit in the cavity (11011) and is screwed with the screw rod (1106), and when the screw rod (1106) rotates, the indicating block (1104) moves up and down along the cavity (11011).

3. The turbine shroud belt crimping roller tooling of claim 2, characterized in that: the indicator is characterized in that a cover plate (1103) is arranged on the outer side of the fixed seat (1101), a guide groove (1107) is formed between the cover plate (1103) and the fixed seat (1101), guide parts (11043) are arranged on two sides of the indicator block (1104) and are in sliding fit with the guide groove (1107), and the long pointer (11042) and the short pointer (11041) are formed by extending the guide parts (11043) on one side.

4. The turbine shroud belt crimping roller tooling of claim 3, characterized in that: the cover plate (1103) is provided with a window (11031) corresponding to the cavity (11011), and the upper end of the screw rod (1106) is provided with a knob (1102).

5. The turbine shroud belt crimping roller tooling of claim 4, characterized in that: still including being used for connecting two boards bottom plate (4) and being used for connecting two boards of wallboard (5) lower extreme roof (6), every of wallboard (5) upper end all can rotate and be connected with accommodate the lead screw (7) slide (10), accommodate the lead screw (7) with roof (6) screw thread closes soon and runs through roof (6), hand wheel (8) are installed to accommodate the lead screw (7) upper end.

6. The turbine shroud belt crimping roller tooling of claim 5, characterized in that: the power source is a handle (1) arranged at one end of the driving roller (2) and extending to the shaft end.

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