CN214842985U

CN214842985U - Device for measuring flatness of fan blade

Info

Publication number: CN214842985U
Application number: CN202121341994.5U
Authority: CN
Inventors: 李茂旭; 曹棚飞; 蔡星星; 曹伯阳
Original assignee: Corona Medical Devices Shanghai Co ltd
Current assignee: Corona Medical Devices Shanghai Co ltd
Priority date: 2021-06-16
Filing date: 2021-06-16
Publication date: 2021-11-23
Anticipated expiration: 2031-06-16

Abstract

The utility model discloses a measure device of fan blade roughness, including test mounting panel and test clearance gauge, the avris fixedly connected with of test mounting panel lower extreme adjusts the post, the support column is installed to the lower extreme of adjusting the post. This measure device of fan blade roughness, place the test mounting panel with the test blade installation on, utilize the test feeler gauge to fill in the gap department of blade and test mounting panel, note gap numerical value, and rotate test blade and test every blade and take notes numerical value, thereby calculate the difference of its maximum value and minimum, the measurement to fan blade roughness has been realized, the production quality of product has been improved, utilize the high accuracy spirit level to know the levelness of test mounting panel, the lifting movement of rotation threaded rod drive regulation post simultaneously, the altitude mixture control to the test mounting panel has been realized, thereby the roughness of test mounting panel has been guaranteed, measure simple and convenient nimble, and is low in cost, measuring device's practicality has been improved.

Description

Device for measuring flatness of fan blade

Technical Field

The utility model relates to a fan blade technical field specifically is a measure device of fan blade roughness.

Background

The fan generally utilizes blades to cut air to push airflow so as to drive surrounding air to flow and generate airflow, the main components of the fan are a motor and the blades, the motor rotates electric energy to drive the blades to generate the airflow during working, and the flatness of the fan blades influences the service life of a product and the operation quality of the product.

The existing device for measuring the flatness of the fan blade has higher use cost, and the flatness of the fan blade can not be directly measured by a simple, convenient and low-cost measuring tool, so that the cost of an enterprise is increased in the production of the enterprise, and the practicability of the measuring device is greatly reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a measure device of fan blade roughness to the current device use cost of measuring fan blade roughness that provides in solving above-mentioned background art is higher, and its roughness can directly be measured to the measuring tool of unable simple and convenient low-cost, in the enterprise production, has increased the cost of enterprise, greatly reduced measuring device's the problem of practicality.

In order to achieve the above object, the utility model provides a following technical scheme: a device for measuring the flatness of a fan blade comprises a test mounting plate and a test clearance gauge, wherein an adjusting column is fixedly connected to the side of the lower end of the test mounting plate, a supporting column is mounted at the lower end of the adjusting column, a threaded rod is mounted inside the adjusting column, the adjusting column is movably connected with the supporting column through the threaded rod, an adjusting groove is formed in the upper end of the test mounting plate, an adjusting handle is fixedly connected to the upper end of the threaded rod, the upper end of the threaded rod extends to the inner side of the test adjusting groove, a high-precision level gauge is fixedly connected to the side of the test mounting plate, a rotating groove is formed in the upper end of the test mounting plate, a rotating plate is rotatably connected to the lower end of the rotating groove through a bearing, a sliding groove is formed in the upper end of the rotating plate, a sliding block is mounted inside the sliding groove and movably connected with the sliding groove through a telescopic spring, and a test hub is mounted at the upper end of the rotating plate, which is positioned on the inner side of the sliding block, the testing blade is installed to test wheel hub's avris, utilizes the testing feeler gauge to carry out measurement record to the gap of testing blade and test mounting panel, has realized the measurement to fan blade roughness, to the blade of the different length of the same kind of specification, all measurable, application range is extensive, and measure simple convenient, nimble, with low costs, compact structure, can effectively improve measuring work efficiency, product quality and product life, improved measuring device's practicality greatly.

Preferably, the front and back both sides that the regulation post is located the test mounting panel are provided with two sets ofly, every group the regulation post is provided with two about the vertical central line symmetry of test mounting panel, has improved the stability and the roughness of test mounting panel.

Preferably, the threaded rod and the regulation post threaded connection, the lower extreme and the support column of threaded rod pass through the bearing and rotate and be connected, are convenient for to the regulation of test mounting panel, have guaranteed the roughness of test mounting panel.

Preferably, the high-precision level meter is distributed with four in a circle center annular array of the test mounting plate, each display surface of the high-precision level meter is flush with the upper end surface of the test mounting plate, the test mounting plate is measured by the high-precision level meter, and the flatness of the test mounting plate is guaranteed.

Preferably, the sliding grooves are connected with the sliding blocks in a sliding mode, the number of the sliding grooves is four, the number of the sliding blocks is larger than the number of the sliding grooves, the sliding blocks are used for limiting the testing hub, and the rotation measurement of the testing blade is facilitated.

Preferably, the test blades are distributed at equal intervals, the test feelers are matched with the test blades, and the test feelers are used for measuring and recording gaps between the test blades and the test mounting plate, so that the flatness of the fan blades is measured.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this measure device of fan blade roughness through the setting of test mounting panel and test feeler gauge, places the test mounting panel with the installation of test blade on, utilizes the test feeler gauge to fill in the gap department of blade and test mounting panel, notes gap numerical value, and rotates test blade and test and record numerical value to every blade to calculate the difference of its maximum value and minimum, realized the measurement to fan blade roughness, improved the production quality of product.

2. This measure device of fan blade roughness through the setting of test mounting panel, regulation post, threaded rod and high accuracy spirit level, utilizes the levelness that the high accuracy spirit level knows the test mounting panel, rotates the lift removal that the threaded rod drove the regulation post simultaneously, has realized the altitude mixture control to the test mounting panel to be convenient for guarantee the roughness of test mounting panel, measure simple and convenient nimble, with low costs, effectively reduced the input cost of enterprise, improved measuring device's practicality.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the three-dimensional structure of the test feeler gauge of the present invention;

FIG. 3 is a schematic view of the front cross-section structure of the present invention;

fig. 4 is a schematic view of the top view structure of the rotating plate of the present invention.

In the figure: 1. testing the mounting plate; 2. an adjustment column; 3. a support pillar; 4. a threaded rod; 5. an adjustment groove; 6. adjusting the handle; 7. a high precision level gauge; 8. a rotating groove; 9. a rotating plate; 10. a chute; 11. a slider; 12. a tension spring; 13. testing the hub; 14. testing the blade; 15. and (6) testing the feeler gauge.

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. 1-4, the present invention provides a technical solution: a device for measuring the flatness of fan blades comprises a test mounting plate 1 and a test clearance gauge 15, wherein an adjusting column 2 is fixedly connected to the side of the lower end of the test mounting plate 1, a supporting column 3 is mounted at the lower end of the adjusting column 2, a threaded rod 4 is mounted inside the adjusting column 2, the adjusting column 2 is movably connected with the supporting column 3 through the threaded rod 4, an adjusting groove 5 is formed in the upper end of the test mounting plate 1, an adjusting handle 6 is fixedly connected to the inner side of the adjusting groove 5, the upper end of the threaded rod 4 extends to the inner side of the test adjusting groove 5, a high-precision level gauge 7 is fixedly connected to the side of the test mounting plate 1, a rotating groove 8 is formed in the upper end of the test mounting plate 1, a rotating plate 9 is rotatably connected to the lower end of the rotating groove 8 through a bearing, a sliding groove 10 is formed in the upper end of the rotating plate 9, a sliding block 11 is mounted inside the sliding groove 10, the sliding block 11 is movably connected with the sliding groove 10 through a telescopic spring 12, a test hub 13 is mounted at the upper end of the rotating plate 9 and positioned on the inner side of the sliding block 11, the testing blade 14 is arranged at the side of the testing hub 13, the gap between the testing blade 14 and the testing mounting plate 1 is measured and recorded by using the testing feeler gauge 15, the flatness of the fan blade is measured, the blades with the same specification and different lengths can be measured, the application range is wide, the measurement is simple, convenient and flexible, the cost is low, the structure is compact, the working efficiency of the measurement, the product quality and the product service life can be effectively improved, and the practicability of the measuring device is greatly improved;

two groups of adjusting columns 2 are arranged on the front side and the rear side of the testing mounting plate 1, two adjusting columns 2 in each group are symmetrically arranged about the vertical central line of the testing mounting plate 1, the stability and the flatness of the testing mounting plate 1 are improved, a threaded rod 4 is in threaded connection with the adjusting columns 2, the lower end of the threaded rod 4 is in rotary connection with a supporting column 3 through a bearing, the adjustment of the testing mounting plate 1 is convenient, the flatness of the testing mounting plate 1 is ensured, four high-precision gradienters 7 are distributed in a circle center annular array of the testing mounting plate 1, the display surface of each high-precision gradienter 7 is flush with the upper end surface of the testing mounting plate 1, the high-precision gradienter 7 is used for measuring the testing mounting plate 1, the flatness of the testing mounting plate 1 is ensured, a sliding chute 10 is in sliding connection with a sliding block 11, four sliding chutes 10 are distributed in a circle center annular array of a rotating plate 9, and the height of the sliding block 11 is greater than that of the sliding chute 10, utilize slider 11 to carry on spacingly to test wheel hub 13, the rotation of being convenient for test blade 14 is measured, and test blade 14 is equidistant distribution, and test clearance gauge 15 and test blade 14 mutual adaptation utilize test clearance gauge 15 to carry out the measurement record to the gap of test blade 14 and test mounting panel 1, have realized the measurement to fan blade roughness.

The working principle is as follows: firstly, a testing device is placed in a flat place, a high-precision level gauge 7 is observed to check the flatness of a testing mounting plate 1, an adjusting handle 6 is rotated to drive a threaded rod 4 to rotate, so that an adjusting column 2 can move up and down, the height of the testing mounting plate 1 is adjusted, four corners of the testing mounting plate 1 are adjusted by four threaded rods 4, the flatness of the testing mounting plate 1 is ensured, a moving slide block 11 moves outwards, a testing hub 13 is placed on a rotating plate 9 to be mounted, the slide block 11 is loosened, the slide block 11 moves inwards through the elasticity of a telescopic spring 12, so that the testing hub 13 is limited and fixed, during measurement, a testing feeler gauge plug 15 enters a gap between a testing blade 14 and the testing mounting plate 1, a gap value is recorded, the rotating plate 9 is rotated to drive the testing blade 14 to rotate, each testing blade 14 is tested and the value is recorded, therefore, the difference value between the maximum value and the minimum value is calculated, the flatness of the fan blade is measured, after the test is completed, the movable sliding block 11 is moved to remove the limit of the test hub 13, the test hub 13 is taken out, a new fan blade is put in, and the steps are repeated, so that the flatness of the fan blade is measured.

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

1. The utility model provides a measure device of fan blade roughness, includes test mounting panel (1) and test clearance gauge (15), its characterized in that: the avris fixedly connected with of test mounting panel (1) lower extreme adjusts post (2), support column (3) are installed to the lower extreme of adjusting post (2), the internally mounted of adjusting post (2) has threaded rod (4), adjust post (2) and support column (3) and pass through threaded rod (4) swing joint, adjustment tank (5) have been seted up to the upper end of test mounting panel (1), the upper end of threaded rod (4) extends to the inboard fixedly connected with regulation handle (6) of test adjustment tank (5), the avris fixedly connected with high accuracy spirit level (7) of test mounting panel (1), rotation groove (8) have been seted up to the upper end of test mounting panel (1), the lower extreme of rotation groove (8) rotates through the bearing and is connected with rotor plate (9), spout (10) have been seted up to the upper end of rotor plate (9), the internally mounted of spout (10) has slider (11), slider (11) and spout (10) are through expanding spring (12) swing joint, test wheel hub (13) are installed to the inboard that the upper end of rotor plate (9) is located slider (11), test blade (14) are installed to the avris of test wheel hub (13).

2. The apparatus of claim 1, wherein the means for measuring the flatness of the fan blade comprises: the front and back sides of the adjusting column (2) located on the test mounting plate (1) are provided with two groups, and each group is provided with two adjusting columns (2) symmetrically about the vertical center line of the test mounting plate (1).

3. The apparatus of claim 1, wherein the means for measuring the flatness of the fan blade comprises: threaded rod (4) and regulation post (2) threaded connection, the lower extreme and support column (3) of threaded rod (4) are passed through the bearing and are rotated and be connected.

4. The apparatus of claim 1, wherein the means for measuring the flatness of the fan blade comprises: the high-precision gradienter (7) is distributed with four in a circle center annular array of the test mounting plate (1), and the display surface of each high-precision gradienter (7) is flush with the upper end surface of the test mounting plate (1).

5. The apparatus of claim 1, wherein the means for measuring the flatness of the fan blade comprises: the sliding grooves (10) are connected with the sliding blocks (11) in a sliding mode, the number of the sliding grooves (10) is four, the number of the sliding grooves is four, and the height of each sliding block (11) is larger than that of each sliding groove (10).

6. The apparatus of claim 1, wherein the means for measuring the flatness of the fan blade comprises: the testing blades (14) are distributed at equal intervals, and the testing feelers (15) are matched with the testing blades (14) mutually.