Adjustable linear cutting universal clamp for steam turbine nozzle and partition plate stationary blade arc

Abstract

The utility model discloses a turbine nozzle and clapboard stationary blade arc adjustable wire cutting universal fixture, which comprises a support plate, an adjusting assembly and a fixing assembly, the support plate is vertically arranged, a plurality of sliding chutes are arranged on the support plate, the sliding chutes are configured to install the adjusting assembly, and the fixing assembly is arranged on the support plate. The adjusting assembly comprises a first adjusting piece, a second adjusting piece, a third adjusting piece, a fourth adjusting piece, a fifth adjusting piece and a sixth adjusting piece which are sequentially arranged in the length direction of the supporting plate, and the first adjusting piece, the second adjusting piece, the third adjusting piece, the fourth adjusting piece and the fifth adjusting piece are configured to adjust the longitudinal position of the workpiece. The sixth adjusting part is configured to adjust the transverse position of the workpiece, and the fixing assembly is arranged at the top end of the supporting plate so as to fix the workpiece. According to the adjustable linear cutting universal clamp for the steam turbine nozzle and the partition plate stationary blade arc, the mounting position of the workpiece is adjusted through the adjusting assembly, then the workpiece is fixed through the fixing assembly, and the effects of rapidly switching products and reducing the use cost are achieved.

Description

Technical Field

[0001] The utility model embodiment relates to the technical field of clamps, in particular to a universal clamp for cutting a steam turbine nozzle and a partition stator with an adjustable arc. Background Art

[0002] The nozzle is a stationary steam passage formed by two adjacent stationary blades. It is a structural element that converts the thermal energy of steam into kinetic energy. The nozzles installed in front of the first stage of the steam turbine are divided into several groups, each of which is controlled by a regulating valve.

[0003] The stator blade is abbreviated as the stator blade. It is a stationary blade fixed on the partition or the guide vane holding ring. The stator blade not only guides the steam flow in the steam turbine, but also accelerates the steam. The stator blade in the steam chamber (nozzle chamber) is called a nozzle. The stator blade acts as a guide blade at the speed stage to change the direction of the steam flow into the next row of moving blades. In the reaction steam turbine, the stator blade acts as a nozzle.

[0004] There are many types of turbine crown-assembled stator blades and partition belts with different geometric dimensions. While ensuring product quality, there are problems such as slow product switching and high usage costs. Utility Model Content

[0005] In order to solve the related technical problems, the utility model provides a universal fixture for cutting the arc of a steam turbine nozzle and a partition stator with adjustable wire cutting, so as to solve the problems of slow product switching and high use cost.

[0006] To achieve the above purpose, the embodiment of the utility model adopts the following technical solutions:

[0007] A universal fixture for cutting a steam turbine nozzle and a partition plate and a stator blade with an adjustable arc, characterized in that the universal fixture for cutting a steam turbine nozzle and a partition plate and a stator blade with an adjustable arc comprises a support plate, an adjustment component and a fixing component, wherein:

[0008] The support plate is vertically arranged, and a plurality of slide grooves are provided on the support plate, and the slide grooves are configured to install the adjustment assembly.

[0009] The adjustment assembly includes a first adjustment member, a second adjustment member, a third adjustment member, a fourth adjustment member, a fifth adjustment member and a sixth adjustment member arranged in sequence along the length direction of the support plate, wherein the first adjustment member, the second adjustment member, the third adjustment member, the fourth adjustment member and the fifth adjustment member are configured to adjust the longitudinal position of the workpiece, and the sixth adjustment member is configured to adjust the transverse position of the workpiece.

[0010] The fixing assembly is arranged on the top end of the supporting plate to fix the workpiece.

[0011] The universal fixture for cutting the turbine nozzle and partition vane with adjustable arc also includes a base, which is arranged at the bottom of the support plate to support the support plate.

[0012] The first adjusting member, the second adjusting member, the third adjusting member, the fourth adjusting member, the fifth adjusting member and the sixth adjusting member all include a slider and a fastener. The slider is arranged in the slide groove. A threaded hole is provided on the slider. The fastener fixes or loosens the slider in the slide groove through the threaded hole.

[0013] The sixth adjusting member is disposed transversely and is located above the fifth adjusting member.

[0014] The fixing assembly includes a first fixing member and a second fixing member, wherein the first fixing member is arranged on the top of the first end of the support plate, and the second fixing member is arranged on the top of the middle position of the support plate.

[0015] The first fixing member includes a first pressing plate, a first cushion block and a first fixing member, and the first fixing member passes through the first pressing plate and the first cushion block in sequence to fix the first pressing plate and the first cushion block on the supporting plate.

[0016] The second fixing member includes a second pressing plate, a second cushion block and a second fixing member, and the second fixing member passes through the second pressing plate and the second cushion block in sequence to fix the second pressing plate and the second cushion block on the supporting plate.

[0017] The beneficial effects of the utility model are as follows: compared with the prior art, the utility model provides a universal fixture for adjusting the arc of a steam turbine nozzle and a partition stator blade, which has the following beneficial effects:

[0018] 1. The longitudinal position of the workpiece is adjusted by the first adjusting member, the second adjusting member, the third adjusting member, the fourth adjusting member and the fifth adjusting member, the transverse position of the workpiece is adjusted by the sixth adjusting member, and the workpiece is fixed by the fixing assembly. It is suitable for stationary blades and partition shrouds of various sizes, and has the effect of quickly switching products and reducing the use cost;

[0019] 2. The first adjusting member, the second adjusting member, the third adjusting member, the fourth adjusting member and the fifth adjusting member can be used to adjust the processing position of the workpiece in the vertical direction and support the workpiece in the vertical direction. The sixth adjusting member can be used to adjust the processing position of the workpiece in the horizontal direction and limit the horizontal direction of the workpiece. It is easy to use and has multiple uses, which has the effect of reducing the use cost;

[0020] 3. The workpiece is adjusted through the slide groove, slider and fastener. It has a simple structure and is easy to use, which can improve the efficiency of switching products. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate and understand the technical solutions in the embodiments of the present invention, the following briefly introduces the background technology of the present invention and the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the contents of the embodiments of the present invention and these drawings without paying any creative work.

[0022] Figure 1 It is a structural schematic diagram of a universal fixture for cutting a steam turbine nozzle and a partition stator with an adjustable arc provided by an embodiment of the utility model;

[0023] Figure 2 It is a structural schematic diagram of a universal fixture for cutting a steam turbine nozzle and a partition stator with an adjustable arc provided by an embodiment of the utility model;

[0024] Figure 3 It is a structural schematic diagram of AA in a universal fixture for cutting a steam turbine nozzle and a partition stator with an adjustable arc provided by an embodiment of the utility model;

[0025] Figure 4 It is a structural schematic diagram of BB in a universal fixture for cutting a steam turbine nozzle and a partition stator with an adjustable arc provided by an embodiment of the utility model;

[0026] Figure 5 The utility model is a schematic structural diagram of a universal fixture for cutting a steam turbine nozzle and a partition stator with an adjustable arc. DETAILED DESCRIPTION

[0027] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0028] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively with reference to the relevant drawings. The preferred embodiments of the utility model are given in the drawings. However, the utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thoroughly understood. It should be noted that when a component is referred to as "fixed to" another component, it can be directly on another component or there can also be a central component. When a component is considered to be "connected" to another component, it can be directly connected to another component or there may be a central component at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are only for illustrative purposes and are not intended to be the only implementation method. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those generally understood by technicians in the technical field of the utility model. The terms used in the specification of the utility model herein are only for the purpose of describing specific embodiments and are not intended to limit the utility model. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0029] See also Figures 1 to 5 As shown, this embodiment provides a universal fixture for arc-adjustable wire cutting of a turbine nozzle and a baffle stator, which includes a support plate 1, an adjustment component 2 and a fixing component 3. The support plate 1 is vertically arranged, and a plurality of slide grooves 11 are opened on the support plate 1. The slide grooves 11 are configured to install the adjustment component 2. The adjustment component 2 includes a first adjustment member 21, a second adjustment member 22, a third adjustment member 23, a fourth adjustment member 24, a fifth adjustment member 25 and a sixth adjustment member 26 which are sequentially arranged along the length direction of the support plate 1. The first adjustment member 21, the second adjustment member 22, the third adjustment member 23, the fourth adjustment member 24 and the fifth adjustment member 25 are configured to adjust the longitudinal position of the workpiece 4, and the sixth adjustment member 26 is configured to adjust the lateral position of the workpiece 4. The fixing component 3 is arranged at the top of the support plate 1 to fix the workpiece 4.

[0030] It can be seen that the first adjusting member 21, the second adjusting member 22, the third adjusting member 23, the fourth adjusting member 24 and the fifth adjusting member 25 are respectively used to adjust the installation position of the workpiece 4 in the vertical direction, and the sixth adjusting member 26 is used to adjust the installation position of the workpiece 4 in the vertical direction. After the adjustment is completed, the workpiece 4 is fixed by the fixing component 3, which has the function of adapting to workpieces 4 of various sizes, is easy to use, and has the advantage of improving the efficiency of switching workpieces 4.

[0031] As an implementation manner, the universal fixture for cutting the turbine nozzle and partition vane with adjustable arc wire cutting further includes a base 5 , which is disposed at the bottom of the support plate 1 to support the support plate 1 .

[0032] Specifically, the base 5 is a horizontally placed bottom plate, and a plurality of positioning holes and threaded holes are provided on one side of the bottom plate. Preferably, two positioning holes and two threaded holes are provided, and a mounting hole is correspondingly provided at the bottom of the support plate 1. The positioning hole, threaded hole and mounting hole are coaxially arranged. The base 5 is inserted into the mounting hole and the positioning hole by the positioning pin 6 to position the base 5 and the support plate 1, and the mounting hole and the threaded hole are inserted into the screw 7 to connect them. The structure is simple, easy to use, and the use cost is reduced.

[0033] As an implementation mode, the first adjusting member 21, the second adjusting member 22, the third adjusting member 23, the fourth adjusting member 24, the fifth adjusting member 25 and the sixth adjusting member 26 all include a slider 27 and a fastener 28. The slider 27 is arranged in the slide groove 11. A threaded hole is opened on the slider 27. The fastener 28 fixes or loosens the slider 27 in the slide groove 11 through the threaded hole.

[0034] It can be seen that the workpiece 4 is adjusted by the slide groove 11, the slider 27 and the fastener 28, which has a simple structure and is easy to use, and has the effect of improving the efficiency of switching products.

[0035] As an implementation manner, the sixth adjusting member 26 is disposed laterally and is located above the fifth adjusting member 25 .

[0036] It can be seen that the provision of the sixth adjusting member 26 increases the range of compatible products and expands the applicable scope of the clamp.

[0037] As an embodiment, the fixing assembly 3 includes a first fixing member 31 and a second fixing member 32 , wherein the first fixing member 31 is disposed on the top of the first end of the support plate 1 , and the second fixing member 32 is disposed on the top of the middle position of the support plate 1 .

[0038] It can be seen that the first end of the workpiece 4 is fixed by the first fixing member 31, the middle position of the second end of the workpiece 4 is fixed by the second fixing member 32, and the third and fourth ends of the workpiece 4 are limited by the adjustment component 2, thereby increasing the stability of the fixed workpiece 4.

[0039] As an implementation manner, the first fixing member 31 includes a first pressing plate, a first cushion block and a first fixing member 31 , and the first fixing member 31 passes through the first pressing plate and the first cushion block in sequence to fix the first pressing plate and the first cushion block on the support plate 1 .

[0040] It can be seen that the first pressing plate can cope with workpieces 4 of different sizes by replacing the first cushion block, and has the advantages of simple structure and low use cost.

[0041] As an implementation manner, the second fixing member 32 includes a second pressing plate, a second cushion block and a second fixing member 32 , and the second fixing member 32 passes through the second pressing plate and the second cushion block in sequence to fix the second pressing plate and the second cushion block on the support plate 1 .

[0042] It can be seen that the second pressing plate can cope with workpieces 4 of different sizes by replacing the second pad, and has the advantages of simple structure and low use cost.

[0043] The above-mentioned universal fixture for cutting the steam turbine nozzle and the baffle stator with an adjustable arc has the following specific working principles:

[0044] Place the workpiece 4 on the support plate 1, and adjust the first adjusting member 21, the second adjusting member 22, the third adjusting member 23, the fourth adjusting member 24, the fifth adjusting member 25 and the sixth adjusting member 26 in sequence according to the size and model of the workpiece 4, and then fix the workpiece 4 by the first fixing member 31 and the second fixing member 32 in sequence.

[0045] In the embodiments disclosed in the present invention, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense. For example, "connect" can be a fixed connection, a detachable connection, or an integral connection; "connect" can be a direct connection or an indirect connection through an intermediate medium. For those skilled in the art, the specific meanings of the above terms in the embodiments disclosed in the present invention can be understood according to specific circumstances.

[0046] The above embodiments are only to illustrate the basic principles and characteristics of the present invention. The present invention is not limited by the above embodiments. Without departing from the spirit and scope of the present invention, the present invention may be subject to various changes and modifications, which are within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A universal fixture for adjustable arc wire cutting of steam turbine nozzles and partition vanes, characterized in that: The universal fixture for adjusting the arc of steam turbine nozzle and partition stator blade by wire cutting comprises a support plate, an adjustment component and a fixing component, wherein: The support plate is vertically arranged, and a plurality of slide grooves are provided on the support plate, and the slide grooves are configured to install the adjustment assembly. The adjustment assembly includes a first adjustment member, a second adjustment member, a third adjustment member, a fourth adjustment member, a fifth adjustment member and a sixth adjustment member arranged in sequence along the length direction of the support plate, wherein the first adjustment member, the second adjustment member, the third adjustment member, the fourth adjustment member and the fifth adjustment member are configured to adjust the longitudinal position of the workpiece, and the sixth adjustment member is configured to adjust the transverse position of the workpiece. The fixing assembly is arranged on the top end of the supporting plate to fix the workpiece.

2. A universal fixture for cutting the arc of a steam turbine nozzle and a partition stator according to claim 1, characterized in that: The universal fixture for cutting the turbine nozzle and partition vane with adjustable arc also includes a base, which is arranged at the bottom of the support plate to support the support plate.

3. A universal fixture for cutting the arc of a steam turbine nozzle and a partition vane with adjustable wire cutting according to claim 1, characterized in that: The first adjusting member, the second adjusting member, the third adjusting member, the fourth adjusting member, the fifth adjusting member and the sixth adjusting member all include a slider and a fastener. The slider is arranged in the slide groove. A threaded hole is provided on the slider. The fastener fixes or loosens the slider in the slide groove through the threaded hole.

4. A universal fixture for cutting the arc of a steam turbine nozzle and a partition vane with adjustable wire cutting according to claim 1, characterized in that: The sixth adjusting member is disposed transversely and is located above the fifth adjusting member.

5. A universal fixture for cutting the arc of a steam turbine nozzle and a partition stator according to claim 1, characterized in that: The fixing assembly includes a first fixing member and a second fixing member, wherein the first fixing member is arranged on the top of the first end of the support plate, and the second fixing member is arranged on the top of the middle position of the support plate.

6. A universal fixture for cutting the arc of a steam turbine nozzle and a partition stator according to claim 5, characterized in that: The first fixing member includes a first pressing plate, a first cushion block and a first fixing member, and the first fixing member passes through the first pressing plate and the first cushion block in sequence to fix the first pressing plate and the first cushion block on the supporting plate.

7. A universal fixture for cutting the arc of a steam turbine nozzle and a partition vane with adjustable wire cutting according to claim 5, characterized in that: The second fixing member includes a second pressing plate, a second cushion block and a second fixing member, and the second fixing member passes through the second pressing plate and the second cushion block in sequence to fix the second pressing plate and the second cushion block on the supporting plate.

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