CN213179743U - Blade top measuring device for gas turbine - Google Patents
Blade top measuring device for gas turbine Download PDFInfo
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- CN213179743U CN213179743U CN202022362069.2U CN202022362069U CN213179743U CN 213179743 U CN213179743 U CN 213179743U CN 202022362069 U CN202022362069 U CN 202022362069U CN 213179743 U CN213179743 U CN 213179743U
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Abstract
The utility model discloses a blade top measuring device for a gas turbine, which is used for measuring the height of a movable blade, wherein the movable blade comprises an upper blade and a lower support connecting part, and also comprises a blade top measuring device; the blade top measuring device comprises a fixed support; a U-shaped groove is formed in the fixed support; one side of the U-shaped groove is provided with a screw rod hole, and a screw rod device is arranged at the screw rod hole; the screw device comprises a screw and a jacking block; one side of the jacking block is provided with a first L-shaped blade top clamping block; the other inner side surface of the fixed support is provided with a second L-shaped blade top clamping block; the short edges of the two clamping blocks are parallel to the parallel end faces of the fixed support, and the end parts of the two short edges are respectively and fixedly connected with the linear grooves on the two sides of the lower supporting connection part in an approaching manner; one side of the fixed support far away from the screw rod device is provided with a fixed support rod; the fixed support rod is provided with a locking block; the locking block is provided with a dial indicator; the lower end of the dial indicator is abutted against the inclined top of the movable vane. Thereby effectively improve measurement of efficiency and measurement accuracy through this centre gripping measuring device.
Description
Technical Field
The utility model relates to a blade top measuring device for gas turbine belongs to the gas turbine and measures and set up technical field.
Background
The three Siemens V94.2 gas turbine units of thermoelectricity are required to provide field maintenance, new part manufacturing and a plurality of field danger elimination and emergency repair services for each part within a period of time since the production of the three Siemens V94.2 gas turbine units, a turbine first-stage movable blade is one of the key parts, the blade top and each data are required to be measured, the conventional measuring tools such as a vernier caliper are adopted to measure the blade top, the measuring error is large, the accuracy and the effectiveness cannot be achieved, the measuring efficiency is low, the rapid and effective measurement cannot be achieved, and therefore a simple and effective tool is required to solve the technical problems.
SUMMERY OF THE UTILITY MODEL
To the problem that above-mentioned prior art exists, the utility model provides a blade top measuring device for gas turbine to guarantee measurement accuracy, improve measurement of efficiency.
In order to realize the purpose, the utility model discloses a technical scheme is: a blade tip measuring device for a combustion engine for measuring the height of a moving blade, the moving blade comprising an upper blade and a lower support connection; the tops of the upper blades are obliquely arranged, and the blades of the upper blades are arc-shaped; the upper blade is integrally connected with the lower support connecting part; the lower supporting connection part is provided with grooves at two sides of the cambered surface of the blade and also comprises a blade top measuring device for measuring the height of the movable blade; the blade top measuring device comprises a fixed support; a U-shaped groove is formed in the fixed support; a screw hole is formed in one side of the U-shaped groove and is located in one side of the fixed support; a screw device is arranged at the screw hole; the screw device comprises a screw and a jacking block; the screw rod penetrates through the screw rod hole, extends out of the side end of the fixed support and is connected with a rotary wrench; one side of the jacking block, which is far away from the screw rod, is provided with a first L-shaped blade top clamping block;
the other inner side surface of the fixed support far away from the screw rod device is provided with an L-shaped blade top clamping block II which is symmetrically distributed with the L-shaped blade top clamping block; the first L-shaped blade top clamping block and the second L-shaped blade top clamping block are oppositely arranged and are inversely arranged, the short edges of the two clamping blocks are parallel to the parallel end faces of the fixed support, and the end parts of the two short edges are respectively and fixedly connected with the linear grooves on the two sides of the lower supporting connecting part in an approaching manner;
a fixed support rod is arranged on one side of the fixed support far away from the screw rod device; the fixed support rod is provided with a locking block; the locking block is provided with a dial indicator; the lower end of the dial indicator is abutted against the inclined top of the movable vane.
Furthermore, the first L-shaped blade top clamping block is fixedly connected with the jacking block through a bolt; and the two clamping blocks at the tops of the L-shaped blades are fixedly connected with one side end of the fixed support far away from the screw rod device through bolts.
Furthermore, the fixed supporting rod is fixedly connected with the fixed support through bolts or welding.
Furthermore, a movable support is arranged at the position, close to the lower end, of the fixed support rod, and a U-shaped bayonet is connected between the fixed support rod and the movable support; the movable support is an L-shaped connecting plate and comprises a first L plate extending into a bayonet of the U-shaped bayonet and a second L plate vertically and integrally connected with the first L plate; the second L plate abuts against one side of the lower supporting and connecting part.
Furthermore, the lower end of the dial indicator abuts against the central line of the inclined top of the movable blade.
The utility model has the advantages that: through setting up fixing support as the supporting part, support connecting portion through L type blade top grip block one and the lower part of L type blade top grip block two pairs of blades and fix, and carry out the top tightly fixedly to it through the lead screw device, thereby accomplish the location of lower part support connecting portion, carry out height measurement to the blade through the percentile chi on the fixed branch simultaneously, percentile chi bottom supports tight blade top central line position department, thereby completion that can be quick accurate is to the measurement of blade height, effectively improve measurement of efficiency and measurement accuracy.
Drawings
FIG. 1 is a front view of the blade in a loaded state;
FIG. 2 is a schematic side view of the blade in a loaded state;
FIG. 3 is a schematic top view of the blade in a loaded state according to the present invention;
fig. 4 is a schematic structural view of the positioning height of the green customized bar of the present invention.
In the figure: 1. the movable vane comprises a movable vane 11, an upper vane 12, a lower supporting connecting part 13, a groove 2, a fixed support, 21, a U-shaped groove 3, a screw device 31, a screw 32, a jacking block 321, an L-shaped vane top clamping block I, 322, an L-shaped vane top clamping block II, 4, a fixed support rod 5, a locking block 6, a dial indicator 7, a movable support 71, a U-shaped bayonet 72, an L-shaped plate I, 73 and an L-shaped plate II.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail through the accompanying drawings and embodiments. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention.
As shown in fig. 1, 2 and 3, a blade tip measuring device for a combustion engine for measuring the height of a bucket, the bucket 1 comprising an upper blade 11 and a lower support connection 12; the top of the upper blade 11 is obliquely arranged, and the blade is arc-shaped; the upper blade 11 is integrally connected with the lower support connecting part 12; the lower support connecting part 12 is provided with grooves 13 at two sides of the cambered surface of the blade;
the blade top measuring device comprises a fixed support 2; a U-shaped groove 21 is formed on the fixed support 2; one side of the U-shaped groove 21 is provided with a screw hole which is positioned on one side of the fixed support 2; a screw device 3 is arranged at the screw hole; the screw device 3 comprises a screw 31 and a jacking block 32; the screw rod 31 passes through the screw rod hole, extends out of the side end of the fixed support 2 and is connected with a rotary wrench; one side of the jacking block 32, which is far away from the screw rod 31, is provided with an L-shaped blade top clamping block I321;
the other inner side face, far away from the screw rod device 3, of the fixed support 2 is provided with a second L-shaped blade top clamping block 322 which is symmetrically distributed with the first L-shaped blade top clamping block 321; the first L-shaped blade top clamping block 321 and the second L-shaped blade top clamping block 322 are oppositely arranged and are inversely arranged, the short edges of the two clamping blocks are parallel to the parallel end surface of the fixed support 2, and the end parts of the two short edges are respectively close to and fixedly connected with the linear grooves 13 on the two sides of the lower support connecting part 12;
a fixed support rod 4 is arranged on one side of the fixed support 2 away from the screw rod device 3; the fixed support rod 4 is fixedly connected with the fixed support 2 through bolts or welding; a movable support 7 is arranged at the position close to the lower end of the fixed support rod 4, and a U-shaped bayonet 71 is connected between the fixed support rod 4 and the movable support 7; the movable support 7 is an L-shaped connecting plate and comprises a first L plate 72 extending into the bayonet of the U-shaped bayonet 71 and a second L plate 73 vertically and integrally connected with the first L plate 72; the second L plate 73 is tightly propped against one side of the lower support connecting part 12; the fixed support rod 4 is provided with a locking block 5; the locking block 5 is provided with a dial indicator 6; the lower end of the dial indicator 6 is abutted against the central line position of the inclined top of the movable blade 1.
The first L-shaped blade top clamping block 321 is fixedly connected with the jacking block 32 through a bolt; the second L-shaped blade top clamping block 322 is fixedly connected with one side end of the fixed support 2, which is far away from the screw rod device 3, through a bolt.
A movable support 7 is arranged at the position close to the lower end of the fixed support rod 4, and a U-shaped bayonet 71 is connected between the fixed support rod 4 and the movable support 7; the movable support 7 is an L-shaped connecting plate and comprises a first L plate 72 extending into the bayonet of the U-shaped bayonet 71 and a second L plate 73 vertically and integrally connected with the first L plate 72; the second L-plate 73 abuts against one side of the lower support-connection portion 12.
Referring to fig. 4, the custom bar is used primarily to conform to the size of the blade, thereby enabling the dial gauge 6 to be read to a null position for correction for subsequent measurements.
The utility model discloses an operating principle is through setting up fixing support 2 as the supporting part, support the connecting portion through L type blade top grip block 321 and L type blade top grip block two 322 lower part of blade and fix, and carry out the tight fixed in top to it through lead screw device 3, thereby accomplish the location of lower part support connecting portion 12, carry out height measurement to the blade through percentile chi 6 on the fixed bolster 4 simultaneously, percentile chi 6 bottom is supported tight blade top central line position department, thereby can be fast accurate the completion to the measurement of blade height, effectively improve measurement of efficiency and measurement accuracy.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.
Claims (5)
1. A blade tip measuring device for a combustion engine for measuring the height of a moving blade, the moving blade (1) comprising an upper blade (11) and a lower support connection (12); the tops of the upper blades (11) are obliquely arranged, and the blades are arc-shaped; the upper blade (11) is integrally connected with the lower support connecting part (12); grooves (13) are formed in the two sides, located on the cambered surface of the blade, of the lower supporting and connecting part (12); the height measuring device is characterized by further comprising a blade top measuring device for measuring the height of the movable blade (1); the blade top measuring device comprises a fixed support (2); a U-shaped groove (21) is formed in the fixed support (2); one side of the U-shaped groove (21) is provided with a screw hole, and the screw hole is positioned on one side of the fixed support (2); a screw device (3) is arranged at the screw hole; the screw rod device (3) comprises a screw rod (31) and a jacking block (32); the screw rod (31) penetrates through the screw rod hole, extends out of the side end of the fixed support (2) and is connected with a rotary wrench; one side, far away from the screw rod (31), of the jacking block (32) is provided with a first L-shaped blade top clamping block (321);
the other inner side face, far away from the screw rod device (3), of the fixed support (2) is provided with an L-shaped blade top clamping block II (322) which is symmetrically distributed with the L-shaped blade top clamping block I (321); the L-shaped blade top clamping block I (321) and the L-shaped blade top clamping block II (322) are oppositely arranged and are inversely arranged, the short edges of the two clamping blocks are parallel to the parallel end surface of the fixed support (2), and the end parts of the two short edges are respectively close to and fixedly connected with the linear grooves (13) on the two sides of the lower supporting and connecting part (12);
a fixed support rod (4) is arranged on one side of the fixed support (2) far away from the screw rod device (3); the fixed support rod (4) is provided with a locking block (5); the locking block (5) is provided with a dial indicator (6); the lower end of the dial indicator (6) is abutted against the inclined top of the movable blade (1).
2. The blade top measuring device for the combustion engine blade is characterized in that the first L-shaped blade top clamping block (321) is fixedly connected with the puller block (32) through a bolt; and the second L-shaped blade top clamping block (322) is fixedly connected with one side end of the fixed support (2) far away from the screw rod device (3) through a bolt.
3. The blade tip measuring device for the combustion engine according to claim 1, characterized in that the fixing strut (4) is fixedly connected with the fixing support (2) by means of bolts or welding.
4. The blade top measuring device of the combustion engine blade according to claim 1, characterized in that a movable bracket (7) is arranged near the lower end of the fixed support rod (4), and a U-shaped bayonet (71) is connected between the fixed support rod (4) and the movable bracket (7); the movable support (7) is an L-shaped connecting plate and comprises a first L plate (72) extending into the bayonet of the U-shaped bayonet (71) and a second L plate (73) vertically and integrally connected with the first L plate (72); the second L plate (73) is tightly propped against one side of the lower supporting and connecting part (12).
5. A measuring device for the blade tip of a gas turbine engine blade according to claim 1, characterized in that the lower end of the dial indicator (6) abuts against the centre line of the inclined tip of the rotor blade (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022362069.2U CN213179743U (en) | 2020-10-22 | 2020-10-22 | Blade top measuring device for gas turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022362069.2U CN213179743U (en) | 2020-10-22 | 2020-10-22 | Blade top measuring device for gas turbine |
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| Publication Number | Publication Date |
|---|---|
| CN213179743U true CN213179743U (en) | 2021-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022362069.2U Active CN213179743U (en) | 2020-10-22 | 2020-10-22 | Blade top measuring device for gas turbine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114322698A (en) * | 2021-12-21 | 2022-04-12 | 哈尔滨汽轮机厂有限责任公司 | Fir-type blade root blade profile measurement fixing clamp |
-
2020
- 2020-10-22 CN CN202022362069.2U patent/CN213179743U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114322698A (en) * | 2021-12-21 | 2022-04-12 | 哈尔滨汽轮机厂有限责任公司 | Fir-type blade root blade profile measurement fixing clamp |
| CN114322698B (en) * | 2021-12-21 | 2023-07-25 | 哈尔滨汽轮机厂有限责任公司 | Fir-type blade root blade molded line measuring and fixing clamp |
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