Size detection mechanism

Abstract

The utility model discloses a dimension detection mechanism which comprises a workbench, the upper surface of the workbench is fixedly connected with a positioning block, two sides of the positioning block are fixedly connected with sliding rods, a first sliding plate is movably connected between the sliding rods, the top of the first sliding plate is provided with a heightening assembly, and the upper surface of the workbench is fixedly connected with two fixing blocks. The sliding rod is fixed to the fixing block, the outer side of the sliding rod is sleeved with a spring, the two ends of the spring are fixed to the fixing block and the first sliding plate correspondingly, and two second sliding plates are fixedly connected to the bottom of the first sliding plate. According to the guide impeller diameter measuring device, a worker can conveniently measure the diameter of a guide impeller in an irregular shape, the flexibility of the device is improved, meanwhile, the higher guide impeller can be clamped in an auxiliary mode through the heightening plate, and the second sliding plate can be guided through the T-shaped guide rail so that the second sliding plate can stably move.

Description

Technical Field

[0001] The utility model relates to the technical field of impeller size detection, in particular to a size detection mechanism. Background Art

[0002] An impeller is generally composed of parts such as a disc, a wheel cover and blades. Under the action of the impeller blades, the gas rotates at high speed with the impeller. The gas is affected by the centrifugal force of the rotation and the expansion flow in the impeller, which increases the pressure after passing through the impeller. After the processing is completed, the size of the impeller needs to be accurately measured to avoid the situation where it cannot be used.

[0003] As disclosed in the patent CN211651419U, a guide impeller size detection tool, there are problems in the prior art such as irregular shape of the guide impeller, complex structure, and difficulty in measuring by a ruler, etc. In order to solve such problems, the present application proposes a size detection mechanism with a new structure. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a size detection mechanism.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A size detection mechanism comprises a workbench, the upper surface of the workbench is fixedly connected with a positioning block, both sides of the positioning block are fixedly connected with sliding rods, a first slide plate is movably connected between the sliding rods, a heightening component is provided on the top of the first slide plate, two fixed blocks are fixedly connected to the upper surface of the workbench, and the sliding rod is fixed to the fixed block, a spring is sleeved on the outer side of the sliding rod, and the two ends of the spring are respectively fixed to the fixed block and the first slide plate, two second slide plates are fixedly connected to the bottom of the first slide plate, the upper surface of the workbench is fixedly connected with a bottom plate, and the second slide plate slides inside the bottom plate, a scale is provided on the upper surface of the second slide plate, a connecting block is fixedly connected to the upper surface of the bottom plate, an indicator needle is fixedly connected to one side of the connecting block, and the indicator needle is located above the scale ruler.

[0007] As a further solution of the utility model, a T-shaped slide groove is provided inside the second slide plate, two T-shaped guide rails are fixedly connected inside the bottom plate, and the T-shaped guide rails are slidably connected to the T-shaped slide groove.

[0008] As a further solution of the utility model, the heightening component includes a avoidance groove, which is opened inside the first slide plate, and a square rod is movably connected in the avoidance groove. The top end of the square rod passes through the avoidance groove and is fixedly connected to the heightening plate.

[0009] As a further solution of the utility model, a first magnetic block is fixedly connected to the bottom end of the square rod, a second magnetic block is fixedly connected to the bottom of the avoidance groove, and the first magnetic block is in contact with the second magnetic block.

[0010] As a further solution of the utility model, a rubber pad is fixedly connected to one side of the heightened plate.

[0011] As a further solution of the utility model, an arc-shaped elastic steel sheet is fixedly connected to the upper surface of the bottom plate.

[0012] As a further solution of the utility model, both ends of the arc-shaped elastic steel sheet are fixedly connected with square elastic steel sheets.

[0013] The beneficial effects of the utility model are:

[0014] 1. The coordinated use of the first slide plate and the scale makes it convenient for the staff to measure the diameter of the guide impeller with an irregular shape, thereby improving the flexibility of the device.

[0015] 2. The higher impeller is auxiliary clamped by the heightening plate, and the heightening plate is moved upward at the same time, so that the square rod drives the first magnetic block to separate from the second magnetic block, which is convenient for disassembly and replacement of the heightening plate.

[0016] 3. Through the coordinated use of arc-shaped elastic steel sheets and square-shaped elastic steel sheets, it is convenient to assist in clamping the impellers of different sizes, and further keep the impellers stable during the measurement process. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a three-dimensional structural schematic diagram of a size detection mechanism proposed by the utility model;

[0018] Figure 2 This is a partial cross-sectional structural schematic diagram of a size detection mechanism proposed by the utility model;

[0019] Figure 3 This is a partial enlarged structural schematic diagram of a size detection mechanism proposed by the utility model;

[0020] Figure 4 This is a schematic diagram of the enlarged structure of part A of a size detection mechanism proposed by the utility model;

[0021] Figure 5 This is a schematic diagram of the enlarged structure of part B of a size detection mechanism proposed by the utility model;

[0022] Figure 6 This is a schematic diagram of the enlarged structure of the C portion of a size detection mechanism proposed by the utility model.

[0023] In the figure: 1. workbench; 2. positioning block; 3. bottom plate; 4. fixing block; 5. slide bar; 6. first slide plate; 7. second slide plate; 8. scale; 9. spring; 10. arc elastic steel sheet; 11. square elastic steel sheet; 12. heightening plate; 13. square bar; 14. avoidance groove; 15. first magnetic block; 16. second magnetic block; 17. indicator needle; 18. connecting block; 19. T-shaped slide groove; 20. T-shaped guide rail. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, other embodiments obtained by ordinary technicians in this field without making creative work are all within the scope of protection of the utility model.

[0025] Reference Figure 1-Figure 6 A size detection mechanism includes a workbench 1, a positioning block 2 is fixed to the upper surface of the workbench 1 by bolts, slide bars 5 are fixed to both sides of the positioning block 2 by bolts, a first slide plate 6 is slidably connected between the slide bars 5, a heightening component is provided on the top of the first slide plate 6, two fixing blocks 4 are fixed to the upper surface of the workbench 1 by bolts, and the slide bars 5 are fixed to the fixing blocks 4, a spring 9 for facilitating the resetting of the first slide plate 6 is sleeved on the outer side of the slide bar 5, and the two ends of the spring 9 are respectively fixed to the fixing block 4 and the first slide plate 6, two second slide plates 7 are fixed to the bottom of the first slide plate 6 by bolts, a bottom plate 3 is fixed to the upper surface of the workbench 1 by bolts, and The second slide plate 7 slides inside the base plate 3, and the impeller to be measured is placed on the upper surface of the base plate 3 so that it is between the positioning block 2 and the first slide plate 6, and the impeller contacts the positioning block 2. The first slide plate 6 is moved until the first slide plate 6 contacts the side of the impeller. A scale 8 is provided on the upper surface of the second slide plate 7. A connecting block 18 is fixed to the upper surface of the base plate 3 by bolts. An indicator needle 17 is fixed to one side of the connecting block 18 by bolts, and the indicator needle 17 is located above the scale 8. At the same time, the second slide plate 7 moves to move the scale 8. The staff understands the diameter of the impeller to be measured by observing the value on the scale 8 pointed to by the indicator needle 17.

[0026] In the present invention, it should be noted that a T-shaped slide groove 19 is provided inside the second slide plate 7, two T-shaped guide rails 20 are fixed inside the bottom plate 3 by bolts, and the T-shaped guide rails 20 are slidably connected to the T-shaped slide groove 19, and the T-shaped guide rails 20 can guide the second slide plate 7 so that it can move stably, and the heightening component includes a avoidance groove 14, and the avoidance groove 14 is provided inside the first slide plate 6, and a square rod 13 is slidably connected in the avoidance groove 14, and the top end of the square rod 13 passes through the avoidance groove 14 and is fixed with a heightening plate 12 by bolts. When the guide impeller to be measured is higher, the heightening plate 12 can assist in clamping the guide impeller, so that the square rod 13 can be fixed to the guide impeller. A first magnetic block 15 is fixed to the bottom end of the rod 13 by bolts, and a second magnetic block 16 is fixed to the bottom of the avoidance groove 14 by bolts, and the first magnetic block 15 is in contact with the second magnetic block 16, and the heightening plate 12 is moved upward, so that the square rod 13 drives the first magnetic block 15 to separate from the second magnetic block 16, so as to facilitate the disassembly and replacement of the heightening plate 12. A rubber pad is bonded to one side of the heightening plate 12, and an arc-shaped elastic steel sheet 10 is fixed to the upper surface of the bottom plate 3 by bolts, and square elastic steel sheets 11 are fixed to both ends of the arc-shaped elastic steel sheet 10 by bolts. The arc-shaped elastic steel sheet 10 and the square elastic steel sheet 11 can assist in clamping guide impellers of different sizes.

[0027] Working principle: When it is necessary to measure the diameter of the impeller, first pull the first slide plate 6 outward so that it drives the second slide plate 7 to move outward, and at the same time the spring 9 contracts. Then place the impeller to be measured on the upper surface of the bottom plate 3 so that it is between the positioning block 2 and the first slide plate 6, and make the impeller contact with the positioning block 2, and at the same time contact with the arc-shaped elastic steel sheet 10 and the square elastic steel sheet 11, and squeeze the arc-shaped elastic steel sheet 10 and the square elastic steel sheet 11 to produce deformation, and then release the first slide plate 6. The spring 9 extends so that the first slide plate 6 drives the second slide plate 7 to move inward along the T-shaped guide rail 20 until the first slide plate 6 contacts the side of the impeller. At the same time, the second slide plate 7 moves to move the scale 8. The staff understands the measured diameter of the impeller by observing the value on the scale 8 pointed to by the indicator needle 17.

[0028] In addition, the terms "installation", "setting", "connection" and "socketing" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements or components. Those skilled in the art can understand the specific meanings of the above terms in this application according to specific circumstances.

Claims

1. A size detection mechanism, comprising a workbench (1), characterized in that: The upper surface of the workbench (1) is fixedly connected with a positioning block (2), both sides of the positioning block (2) are fixedly connected with sliding rods (5), a first slide plate (6) is movably connected between the sliding rods (5), and a heightening component is provided on the top of the first slide plate (6), the upper surface of the workbench (1) is fixedly connected with two fixed blocks (4), and the sliding rod (5) is fixed to the fixed block (4), the outer side of the sliding rod (5) is sleeved with a spring (9), and the two ends of the spring (9) are respectively connected to the fixed block (4) and the first slide plate. The workbench (1) is fixed with a plate (6), two second slides (7) are fixedly connected to the bottom of the first slide (6), the upper surface of the workbench (1) is fixedly connected to a bottom plate (3), and the second slides (7) slide inside the bottom plate (3), a scale (8) is provided on the upper surface of the second slide (7), a connecting block (18) is fixedly connected to the upper surface of the bottom plate (3), an indicator needle (17) is fixedly connected to one side of the connecting block (18), and the indicator needle (17) is located above the scale (8).

2. A size detection mechanism according to claim 1, characterized in that: A T-shaped slide groove (19) is provided inside the second slide plate (7), and two T-shaped guide rails (20) are fixedly connected inside the bottom plate (3), and the T-shaped guide rails (20) are slidably connected to the T-shaped slide groove (19).

3. A size detection mechanism according to claim 1, characterized in that: The heightening component comprises a avoidance groove (14), the avoidance groove (14) is arranged inside the first slide plate (6), a square rod (13) is movably connected inside the avoidance groove (14), and the top end of the square rod (13) passes through the avoidance groove (14) and is fixedly connected to the heightening plate (12).

4. A size detection mechanism according to claim 3, characterized in that: The bottom end of the square rod (13) is fixedly connected to a first magnetic block (15), the bottom of the avoidance groove (14) is fixedly connected to a second magnetic block (16), and the first magnetic block (15) is in contact with the second magnetic block (16).

5. A size detection mechanism according to claim 3, characterized in that: A rubber pad is fixedly connected to one side of the heightened plate (12).

6. A size detection mechanism according to claim 1, characterized in that: An arc-shaped elastic steel sheet (10) is fixedly connected to the upper surface of the bottom plate (3).

7. A size detection mechanism according to claim 6, characterized in that: Both ends of the arc-shaped elastic steel sheet (10) are fixedly connected to square-shaped elastic steel sheets (11).

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