A bridge type coordinate measuring machine for turbine blade measurement

Abstract

The utility model discloses a bridge type three -coordinate measuring machine for steam turbine blade measurement, include: three -coordinate measuring machine main part and feeding mechanism, and feeding mechanism includes the base fixed on both sides of three -coordinate measuring machine main part symmetry, the movable seat of movable fitting in the base top, install in the first drive piece of base inner chamber and pass through movable seat, the support of fixed in the top of opposite movable seat, a plurality of symmetry fixed in the electric telescopic rod of support top and pass through support, the movable plate of fixed in electric telescopic rod bottom, two symmetry and movable sleeve joint on the clamping piece of movable plate and install in the second drive piece of movable plate top and pass through clamping piece, and the top of base has the recess, this bridge type three -coordinate measuring machine for steam turbine blade measurement has blade automatic feeding and the advantage that practicality is high.

Description

Technical Field

[0001] This utility model relates to the field of coordinate measuring machine technology, specifically a bridge-type coordinate measuring machine for measuring turbine blades. Background Technology

[0002] A coordinate measuring machine (CMM) is an instrument capable of measuring geometric shapes, lengths, and circumferential divisions within a six-sided spatial area. It is also known as a coordinate measuring machine or coordinate measuring bed. A CMM can also be defined as "an instrument with a detector that can move in three directions on three mutually perpendicular guide rails. This detector transmits signals in a contact or non-contact manner. The displacement measurement system of the three axes (such as an optical scale) calculates the x, y, z points of the workpiece and various functional measurements using a data processor or computer." The measurement functions of a CMM should include dimensional accuracy, positioning accuracy, geometric accuracy, and contour accuracy. In the quality inspection process of turbine blade production, a bridge-type CMM is required for inspection.

[0003] The existing bridge-type coordinate measuring machine used for measuring turbine blades has the following drawbacks during use: due to the large weight of some large-gear turbine blades, it is troublesome, time-consuming and labor-intensive to lift the blades onto the measuring platform manually, and the blades are prone to collisions during movement. Therefore, there is room for improvement. Utility Model Content

[0004] This utility model aims to solve one of the technical problems existing in the prior art or related technologies.

[0005] Therefore, the technical solution adopted by this utility model is as follows: a bridge-type coordinate measuring machine for measuring turbine blades, comprising: a coordinate measuring machine body and a feeding mechanism, wherein the feeding mechanism includes a base symmetrically fixed on both sides of the coordinate measuring machine body, a movable seat movably fitted on the top of the base, a first driving member installed in the inner cavity of the base and passing through the movable seat, a bracket fixed on the top of the opposite movable seat, a plurality of electric telescopic rods symmetrically fixed on the top of the bracket and passing through the bracket, a movable plate fixed on the bottom of the electric telescopic rod, two clamping members symmetrically and movably sleeved on the movable plate, and a second driving member installed on the top of the movable plate and passing through the clamping members.

[0006] In a preferred embodiment, the present invention can be further configured such that: the top of the base has a groove, and the first driving component includes a first screw rotatably mounted on the inner wall of the groove and a first motor fixed on one side of the base with its shaft fixedly connected to the end of the first screw.

[0007] In a preferred embodiment, the present invention can be further configured such that: the movable seat includes a first threaded sleeve that is movably fitted into the groove and has its top end extending out of the groove, and a support plate fixed to the top end of the first threaded sleeve, wherein the first screw passes through the first threaded sleeve and the two mesh with each other.

[0008] In a preferred embodiment, the present invention can be further configured such that the support includes uprights symmetrically fixed to the top of the movable seat and a top plate fixed to the top of the opposite upright.

[0009] In a preferred embodiment, the present invention can be further configured such that: first sleeves are symmetrically fixed on both sides of the movable plate, and the first sleeves are movably sleeved on the column.

[0010] In a preferred embodiment, the present invention can be further configured such that the clamping member includes an L-shaped clamping plate movably sleeved on the movable plate and a second threaded sleeve fixed to the top of the L-shaped clamping plate and extending through the movable plate.

[0011] In a preferred embodiment, the present invention may be further configured such that: the second driving member includes a second screw rotatably mounted on the top of the movable plate and a second motor fixed on the top of the movable plate with its shaft fixedly connected to the end of the second screw, the second screw passing through a second threaded sleeve, and the two meshing with each other.

[0012] In a preferred embodiment, the present invention can be further configured such that: both sides of the movable plate are fixed with round rods, and both sides of the L-shaped clamping plate are fixed with second sleeves, the second sleeves being movably sleeved on the round rods.

[0013] By adopting the above technical solution, the beneficial effects achieved by this utility model are as follows: 1. In this utility model, bases are fixed on both sides of the main body of the coordinate measuring machine, and movable seats are installed on the bases. A bracket is fixed on the opposite movable seats, and the movable seats are moved by a first driving component. Multiple electric telescopic rods are symmetrically fixed on the bracket, and movable plates are fixed to the bottom ends of the electric telescopic rods. Clamping components are symmetrically arranged on the movable plates, and a second driving component is set on the movable plates to control the movement of the clamping components. With the above arrangement, when a heavy blade is moved to the measuring platform, the second driving component is activated, driving the clamping components to move towards each other to clamp and fix the blade. At the same time, the electric telescopic rods retract, driving the movable plates to move upward. The upward movement of the movable plates drives the blade to move upward through the clamping components. At the same time, the first driving component is activated, driving the bracket to move and move the blade to the top of the measuring platform. At this time, the electric telescopic rods descend, placing the blade on the measuring platform, and the second driving component drives the clamping components on both sides to reset, thus completing the automatic feeding of the blade. This avoids the trouble of manually lifting the blade, ensures the safety of the blade during the feeding process, and can be applied to blades of different sizes, further increasing its practicality. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a schematic diagram of the feeding mechanism of this utility model; Figure 3 This is an exploded view of the feeding mechanism of this utility model; Figure 4 This is an exploded view of part of the feeding mechanism of this utility model.

[0015] Figure label: 100. Main body of the coordinate measuring machine; 200. Feeding mechanism; 210. Base; 220. Movable seat; 221. Support plate; 222. First threaded sleeve; 230. First driving component; 231. First screw; 232. First motor; 240. Bracket; 241. Column; 242. Top plate; 250. Electric telescopic rod; 260. Movable plate; 261. First sleeve; 262. Round rod; 270. Clamping component; 271. L-shaped clamping plate; 2711. Second sleeve; 272. Second threaded sleeve; 280. Second driving component; 281. Second screw; 282. Second motor. Detailed Implementation

[0016] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings. It should be noted that, unless otherwise specified, the embodiments and features of the present utility model can be combined with each other.

[0017] Some embodiments of this utility model are described below with reference to the accompanying drawings. Example 1: Combination Figure 1-4 As shown, this embodiment provides a bridge-type coordinate measuring machine for measuring turbine blades, including: a coordinate measuring machine body 100 and a feeding mechanism 200.

[0018] The coordinate measuring machine body 100 is used to measure data on the blades.

[0019] The feeding mechanism 200 includes a base 210 symmetrically fixed on both sides of the coordinate measuring machine body 100, a movable seat 220 movably fitted on the top of the base 210, a first driving member 230 installed in the inner cavity of the base 210 and passing through the movable seat 220, a bracket 240 fixed on the top of the opposite movable seat 220, a plurality of electric telescopic rods 250 symmetrically fixed on the top of the bracket 240 and passing through the bracket 240, a movable plate 260 fixed at the bottom of the electric telescopic rods 250, two clamping members 270 symmetrically and movably sleeved on the movable plate 260, and a second driving member 280 installed on the top of the movable plate 260 and passing through the clamping members 270.

[0020] The top of the base 210 has a groove. The first driving member 230 includes a first screw 231 rotatably mounted on the inner wall of the groove and a first motor 232 fixed to one side of the base 210 and whose shaft is fixedly connected to the end of the first screw 231. Meanwhile, the movable seat 220 includes a first threaded sleeve 222 movably fitted into the groove and whose top end extends out of the groove and a support plate 221 fixed to the top end of the first threaded sleeve 222. The first screw 231 passes through the first threaded sleeve 222 and the two mesh with each other. When the first motor 232 is started, it drives the first screw 231 to rotate. The rotation of the first screw 231 drives the first threaded sleeve 222 to move. The movement of the first threaded sleeve 222 drives the support plate 221 to move, and thus the bracket 240 moves.

[0021] The bracket 240 is used to install the electric telescopic rod 250. The bracket 240 includes uprights 241 symmetrically fixed to the top of the movable seat 220 and a top plate 242 fixed to the top of the opposite uprights 241. The electric telescopic rod 250 is fixed on the top plate 242, and its bottom end passes through the top plate 242 and is fixedly connected to the movable plate 260, which is used to drive the movable plate 260 to move up and down.

[0022] The movable plate 260 is used to install the clamping component 270. The first sleeve 261 is symmetrically fixed on both sides of the movable plate 260. The first sleeve 261 is movably sleeved on the column 241 to ensure the stability of the movable plate 260 when it moves up and down.

[0023] The clamping member 270 is used to clamp and fix the blade, including an L-shaped clamping plate 271 movably sleeved on the movable plate 260 and a second threaded sleeve 272 fixed to the top of the L-shaped clamping plate 271 and extending through the movable plate 260. The L-shaped clamping plates 271 on both sides are used to clamp and fix the blade. A round rod 262 is fixed on both sides of the movable plate 260. At the same time, a second sleeve 2711 is fixed on both sides of the L-shaped clamping plate 271. The second sleeve 2711 is movably sleeved on the round rod 262 to ensure the stability of the L-shaped clamping plate 271 when it moves.

[0024] The second driving component 280 includes a second screw 281 rotatably mounted on the top of the movable plate 260 and a second motor 282 fixed on the top of the movable plate 260 with its shaft fixedly connected to the end of the second screw 281. The second screw 281 passes through the second threaded sleeve 272 and the two mesh with each other. When the second motor 282 is started, it drives the second screw 281 to rotate. The rotation of the second screw 281 drives the second threaded sleeve 272 to move, which in turn drives the L-shaped clamping plates 271 on both sides to move towards each other and clamp the blade.

[0025] The working principle and usage process of this utility model are as follows: In use, the blade is placed on one side of the coordinate measuring machine body 100. The electric telescopic rod 250 is activated, causing the movable plate 260 to move downwards, positioning the clamping parts 270 on both sides of the blade. At this time, the second motor 282 is activated, driving the second screw 281 to rotate. The rotation of the second screw 281 causes the second threaded sleeves 272 on both sides to move towards each other, thus causing the L-shaped clamping plates 271 on both sides to move towards each other, clamping and fixing the blade. Afterwards, the electric telescopic rod 250 retracts, causing the movable plate 260 to move upwards. The blade is moved upward by the clamping member 270. At the same time, the first motor 232 starts and drives the first screw 231 to rotate. The rotation of the first screw 231 drives the movable seat 220 to move. The movable seat 220 drives the bracket 240 to move, moving the blade above the coordinate measuring machine body 100. At this time, the electric telescopic rod 250 extends again and places the blade on the coordinate measuring machine body. At the same time, the second drive member 280 rotates in the opposite direction, causing the clamping members 270 on both sides to release the clamping and fixing of the blade, thus completing the automatic feeding of the blade.

[0026] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A bridge-type coordinate measuring machine for measuring turbine blades, comprising: The coordinate measuring machine body (100) and the feeding mechanism (200) are characterized in that the feeding mechanism (200) includes a base (210) symmetrically fixed on both sides of the coordinate measuring machine body (100), a movable seat (220) movably fitted on the top of the base (210), a first driving member (230) installed in the inner cavity of the base (210) and passing through the movable seat (220), a bracket (240) fixed on the top of the opposite movable seat (220), a plurality of electric telescopic rods (250) symmetrically fixed on the top of the bracket (240) and passing through the bracket (240), a movable plate (260) fixed on the bottom end of the electric telescopic rod (250), two clamping members (270) symmetrically and movably sleeved on the movable plate (260), and a second driving member (280) installed on the top of the movable plate (260) and passing through the clamping member (270).

2. A bridge-type coordinate measuring machine for measuring turbine blades according to claim 1, characterized in that, The top of the base (210) has a groove, and the first driving member (230) includes a first screw (231) rotatably mounted on the inner wall of the groove and a first motor (232) fixed on one side of the base (210) and whose shaft is fixedly connected to the end of the first screw (231).

3. A bridge-type coordinate measuring machine for measuring turbine blades according to claim 2, characterized in that, The movable seat (220) includes a first threaded sleeve (222) that is movably fitted into the groove and has its top end extending out of the groove, and a support plate (221) fixed to the top end of the first threaded sleeve (222). The first screw (231) passes through the first threaded sleeve (222) and the two mesh with each other.

4. A bridge-type coordinate measuring machine for measuring turbine blades according to claim 1, characterized in that, The bracket (240) includes a column (241) symmetrically fixed to the top of the movable seat (220) and a top plate (242) fixed to the top of the opposite column (241).

5. A bridge-type coordinate measuring machine for measuring turbine blades according to claim 1, characterized in that, The movable plate (260) is symmetrically fixed with first sleeves (261) on both sides, and the first sleeves (261) are movably sleeved on the column (241).

6. A bridge-type coordinate measuring machine for measuring turbine blades according to claim 1, characterized in that, The clamping member (270) includes an L-shaped clamping plate (271) movably sleeved on the movable plate (260) and a second threaded sleeve (272) fixed to the top of the L-shaped clamping plate (271) and extending through the movable plate (260).

7. A bridge-type coordinate measuring machine for measuring turbine blades according to claim 6, characterized in that, The second drive unit (280) includes a second screw (281) rotatably mounted on the top of the movable plate (260) and a second motor (282) fixed on the top of the movable plate (260) with its shaft fixedly connected to the end of the second screw (281). The second screw (281) passes through the second threaded sleeve (272) and the two mesh with each other.

8. A bridge-type coordinate measuring machine for measuring turbine blades according to claim 6, characterized in that, Both sides of the movable plate (260) are fixed with round rods (262), and both sides of the L-shaped clamp (271) are fixed with second sleeves (2711). The second sleeves (2711) are movably sleeved on the round rods (262).

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