阅读说明：本技术 一种用于航空发动机飞轮表面平整度的检测装置 (Detection device for flywheel surface flatness of aircraft engine ) 是由 孙泽讯 于 2019-09-30 设计创作，主要内容包括：本发明涉及航空发动机飞轮技术领域,且公开了一种用于航空发动机飞轮表面平整度的检测装置,包括底座,所述转盘的设置有环形齿牙,定位块的内部均连接有第一磁体,转盘的中部设置有线圈,支撑块的里侧均连接有永久磁体,推杆的侧壁均连接有第二磁体,矩形杆的左部设置有矩形齿排。通过环形齿牙与矩形杆上的矩形齿排啮合,矩形杆带动滑动杆向左移动,滑动杆通过摆杆带动检测装置在飞轮上滑动；检测装置到达飞轮的中心时,环形齿牙与矩形杆上的矩形齿排脱离,由于飞轮转动检测,从而避免了检测装置重复检测,同时环形齿牙的选取比例,使得第一转轴转动一圈,检测装置移动其本身的长度,从而达到了对飞轮全面的检测。(The invention relates to the technical field of aeroengine flywheels, and discloses a detection device for surface flatness of an aeroengine flywheel, which comprises a base, wherein an annular tooth is arranged on a rotary table, first magnets are connected inside positioning blocks, coils are arranged in the middle of the rotary table, permanent magnets are connected on the inner sides of supporting blocks, second magnets are connected on the side walls of push rods, and a rectangular tooth row is arranged on the left part of each rectangular rod. The annular teeth are meshed with the rectangular tooth rows on the rectangular rod, the rectangular rod drives the sliding rod to move leftwards, and the sliding rod drives the detection device to slide on the flywheel through the oscillating rod; when the detection device reaches the center of the flywheel, the annular teeth are separated from the rectangular tooth rows on the rectangular rod, the flywheel rotates for detection, so that repeated detection of the detection device is avoided, meanwhile, the first rotating shaft rotates for one circle according to the selection proportion of the annular teeth, and the detection device moves the length of the detection device, so that comprehensive detection of the flywheel is achieved.)

1. The utility model provides a detection apparatus for be used for aeroengine flywheel surface smoothness, includes base (1), its characterized in that: the upper end of the base (1) is rotatably connected with a rotary table (2), the upper end of the rotary table (2) is fixedly connected with a rubber pad (201), the upper end of the rotary table (2) is provided with a rectangular groove (202) in a surrounding manner under the rubber pad (201), the middle of the upper part of the rotary table (2) is provided with a cylindrical groove (203), the rotary table (2) is fixedly connected with an annular tooth (204), the middle of the rotary table (2) is provided with a sliding groove (205) above the annular tooth (204), the middle of the rotary table (2) is fixedly connected with a positioning block (206) in the sliding groove (205), the positioning block (206) is fixedly connected with a first magnet (2061), the middle of the rotary table (2) is provided with a coil (3) in the sliding groove (205), the middle of the rotary table (2) is slidably connected with a supporting block (4) in the sliding groove (205), the inner side of the supporting block (4) is fixedly, a push rod (6) is fixedly connected to one end of each permanent magnet (5) close to the cylindrical groove (203), second magnets (601) are fixedly connected to the upper side wall and the lower side wall of each push rod (6), a sliding barrel (7) is fixedly connected to one end of each push rod (6) close to the cylindrical groove (203), a spring (8) is fixedly connected to the inside of each sliding barrel (7), a clamping plate (9) is fixedly and slidably connected to the inside of each sliding barrel (7) and the spring (8), a cushion (901) is fixedly connected to one end of each clamping plate (9) close to the cylindrical groove (203), a first rotating shaft (10) is fixedly connected to the lower end of the rotating disc (2), a rectangular rod (11) is meshed with the annular teeth (204), a rectangular tooth row (1101) is arranged at the left part of the rectangular rod (11), a sliding rod (12) is fixedly connected to the right end of the rectangular rod (11), and a first steering knuckle (1201) is fixedly connected, the inner portion of the first steering knuckle (1201) is rotatably connected with a swing rod (13), the left end of the swing rod (13) is fixedly connected with a second steering knuckle (1301), the lower end of the second steering knuckle (1301) is rotatably connected with a detection device (14), the lower surface of the detection device (14) is connected with a flywheel (15) in a sliding mode on the turntable (2), the upper end of the flywheel (15) is in threaded connection with a bolt (1501) corresponding to the rectangular groove (202), and the lower end of the flywheel (15) is fixedly connected with a second rotating shaft (1502).

2. A device for detecting the flatness of the surface of an aircraft engine flywheel according to claim 1, characterised in that: the magnetic field of the coil (3) is opposite to that of the permanent magnet (5).

3. A device for detecting the flatness of the surface of an aircraft engine flywheel according to claim 1, characterised in that: the opposite direction magnetic poles of the first magnet (2061) and the second magnet (601) are the same.

4. A device for detecting the flatness of the surface of an aircraft engine flywheel according to claim 1, characterised in that: the soft cushion (901) and the clamping plate (9) have adaptive radian.

5. A device for detecting the flatness of the surface of an aircraft engine flywheel according to claim 1, characterised in that: the sliding rod (1201) is connected with the base (1) in a sliding mode.

6. A device for detecting the flatness of the surface of an aircraft engine flywheel according to claim 1, characterised in that: the rectangular tooth row (1101) and the annular tooth (204) are provided with matched teeth.

7. A device for detecting the flatness of the surface of an aircraft engine flywheel according to claim 1, characterised in that: the width of the rectangular groove (202) is larger than the outer diameter of the bolt (1501).

8. A device for detecting the flatness of the surface of an aircraft engine flywheel according to claim 1, characterised in that: the diameter of the cylindrical groove (203) is larger than the outer diameter of the second rotating shaft (1502).

Technical Field

The invention relates to the technical field of aeroengine flywheels, in particular to a detection device for the surface flatness of an aeroengine flywheel.

Background

Aviation refers in the narrow sense to the navigation activity of a manned or unmanned aircraft in the atmosphere, and in the broad sense, the term aviation also refers to the science necessary to carry out the aviation activity, and also refers generally to the various technologies involved in the research and development of aircraft. With the development of the aerospace industry, the flywheels can not only enable people to quickly arrive at a far distance and see remote landscapes and thinking and diversified development of the world, but also enable people to know that the universe is wide, the flywheel is equipped on an aircraft engine, the flywheel is a mechanical device used for storing rotary energy in rotary motion, the flywheel tends to resist the change of the rotating speed, and when a power source acts on a rotating shaft with a variable moment or is applied to intermittent load, the flywheel can reduce the fluctuation of the rotating speed, so that the rotary motion is smoother.

Flywheel on the aircraft engine is in the course of working, need carry out the detection of smoothness to the finished product after the processing is accomplished, but current flywheel surface smoothness detection device is to the inconvenient detection of one side that does not have the pivot, this is because when examining one side to not having the pivot, the protruding inconvenient placing in one side that has the pivot, thereby lead to the poor problem of detection effect, and simultaneously, current flywheel surface smoothness detects the frame and can not control detection device and carry out effectual regulation along with the diameter of waiting to detect the flywheel, we provide a detection device who is used for aircraft engine flywheel surface smoothness in order to solve this problem.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the detection device for the surface flatness of the flywheel of the aircraft engine, which has the advantages of good detection stability, capability of detecting the flywheels with different diameters and effective and comprehensive detection, and solves the problems that the existing detection device for the flywheel of the aircraft engine has poor detection stability and cannot detect and detect the flywheels with different diameters incompletely.

(II) technical scheme

In order to achieve the purposes of good detection stability, capability of detecting flywheels with different diameters and capability of effectively and comprehensively detecting the flywheels, the invention provides the following technical scheme: a detection device for the surface flatness of an aircraft engine flywheel comprises a base, wherein the upper end of the base is rotatably connected with a rotary disc, the upper end of the rotary disc is fixedly connected with a rubber pad, the upper end of the rotary disc is provided with a rectangular groove in a surrounding manner under the rubber pad, the middle part of the upper part of the rotary disc is provided with a cylindrical groove, the rotary disc is fixedly connected with annular teeth, the middle part of the rotary disc is provided with chutes over the annular teeth, the middle part of the rotary disc is fixedly connected with a positioning block in the chutes, the inside of the rotary disc is fixedly connected with a first magnet, the middle part of the disc is provided with a coil in the chutes, the middle part of the disc is slidably connected with a supporting block in the chutes, the inner sides of the supporting blocks are fixedly connected with permanent magnets, one ends of the permanent magnets close to the cylindrical groove are fixedly connected with push rods, the upper side walls and the lower side walls of the push, the equal fixedly connected with spring in inside of slide cartridge, the inside of slide cartridge and with spring fixed sliding connection have the clamp plate, the clamp plate is at the equal fixedly connected with cushion of one end near the cylindrical slot, the first pivot of lower extreme fixedly connected with of carousel, annular tooth meshing is connected with the rectangle pole, the left part of rectangle pole is provided with the rectangle profile of teeth, the right-hand member fixedly connected with slide bar of rectangle pole, the first knuckle of upper end fixedly connected with of slide bar, the inside of first knuckle rotates and is connected with the pendulum rod, the left end fixedly connected with second knuckle of pendulum rod, the lower extreme of second knuckle rotates and is connected with detection device, detection device's lower surface and sliding connection have the flywheel on the carousel, the upper end threaded connection of flywheel has the bolt corresponding with the rectangular slot, the lower extreme fixedly connected with second pivot of flywheel.

Preferably, the coil generates a magnetic field opposite to the permanent magnet, thereby achieving the fixation of the second rotating shaft.

Preferably, the opposite direction magnetic poles of the first magnet and the second magnet are the same, so that the soft cushion and the clamping plate are restored.

Preferably, the soft pad and the clamping plate have adaptive radians, so that the second rotating shaft is uniformly stressed.

Preferably, the sliding rod is connected with the base in a sliding mode, so that the rectangular rod drives the sliding rod, and the sliding rod drives the detection device to slide on the flywheel through the swing rod.

Preferably, the rectangular tooth rows and the annular tooth have matched teeth.

Preferably, the width of the rectangular groove is larger than the diameter of the outer side of the bolt, so that the flywheel can be placed on the turntable.

Preferably, the cylindrical groove has a diameter larger than an outer diameter of the second rotating shaft. Thereby ensuring the fixation of the clamping plate to the flywheel.

(III) advantageous effects

Compared with the prior art, the invention provides a detection device for the surface flatness of the flywheel of an aircraft engine, which has the following beneficial effects:

1. this a detection device for aeroengine flywheel surface smoothness, aim at the rectangular channel on the carousel through the bolt on the flywheel, and make the bolt near one side in the opposite direction of first pivot pivoted, along with the rotation of first pivot, the flywheel is because inertia, make it offset with the rectangular channel, thereby guarantee the fixed of flywheel, this structure reaches and detects one side of taking the pivot to the flywheel, insert the cylindrical groove through the second pivot, to the coil circular telegram this moment, the coil produces the magnetic field opposite with the magnet of being of a specified duration, the coil drives the push rod through the magnet of being of a specified duration and removes, the push rod drives the grip block through the slide cartridge and fixes the second pivot, this structure has reached and has not taken one side of pivot to the flywheel and has detected.

2. This a detection device for aeroengine flywheel surface smoothness adsorbs each other through the second magnet on the push rod and the first magnet on the locating piece for through the mechanism that circular telegram coil driven resets, thereby has guaranteed the normal clear that next flywheel detected.

3. This a detection device for aircraft engine flywheel surface roughness, through the meshing of annular tooth and the rectangle tooth row on the rectangle pole, the rectangle pole drives the slide bar and moves left, the slide bar passes through the pendulum rod and drives detection device and slide on the flywheel, thereby accomplish the detection to the flywheel, the length of rectangle tooth row right-hand member is fixed to the slide bar, when detecting the flywheel of different diameters, through removing the position of slide bar adjustment detection device, when detection device reachs the center of flywheel, annular tooth breaks away from with the rectangle tooth row on the rectangle pole, because the flywheel rotates and detects, thereby avoided detection device repeated detection, the proportion of selecting of annular tooth simultaneously, make first pivot rotate the round, detection device removes its length itself, thereby reached the comprehensive detection to the flywheel.

Drawings

FIG. 1 is a schematic view of the overall front structure of the present invention;

FIG. 2 is a schematic top view of the turntable according to the present invention;

FIG. 3 is a cross-sectional view of the structure of FIG. 2 taken along line A-A thereof in accordance with the present invention;

FIG. 4 is an enlarged view of the drive configuration of FIG. 3 according to the present invention;

FIG. 5 is a schematic top view of the clamping plate of FIG. 4 according to the present invention;

FIG. 6 is a schematic top view of the flywheel of the present invention:

FIG. 7 is a rear view of the rectangular bar of the present invention.

In the figure: 1 base, 2 turntables, 201 rubber pads, 202 rectangular grooves, 203 cylindrical grooves, 204 annular teeth, 205 sliding grooves, 206 positioning blocks, 2061 first magnets, 3 coils, 4 supporting blocks, 5 permanent magnets, 6 push rods, 601 second magnets, 7 sliding cylinders, 8 springs, 9 clamping plates, 901 cushions, 10 first rotating shafts, 11 rectangular rods, 1101 rectangular tooth rows, 12 sliding rods, 1201 first steering joints, 13 swinging rods, 1301 second steering joints, 14 detection devices, 15 flywheels, 1501 bolts and 1502 second rotating shafts.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, a device for detecting the flatness of the surface of an aircraft engine flywheel comprises a base 1, a turntable 2 is rotatably connected to the upper end of the base 1, a rubber pad 201 is fixedly connected to the upper end of the turntable 2, a rectangular groove 202 is formed in the upper end of the turntable 2 and under the rubber pad 201 in a surrounding manner, a cylindrical groove 203 is formed in the middle of the upper portion of the turntable 2, an annular tooth 204 is fixedly connected to the turntable 2, a sliding groove 205 is formed in the middle of the turntable 2 and over the annular tooth 204, a positioning block 206 is fixedly connected to the middle of the turntable 2 and in the sliding groove 205, a first magnet 2061 is fixedly connected to the inside of the positioning block 206, a coil 3 is arranged in the middle of the turntable 2 and in the sliding groove 205, a supporting block 4 is slidably connected to the middle of the turntable 2 and in the sliding groove 205, a permanent magnet 5 is fixedly connected to the inner side of the supporting block 4, a push rod 6 is fixedly, the upper side wall and the lower side wall of the push rod 6 are fixedly connected with second magnets 601, the push rod 6 is fixedly connected with a sliding barrel 7 at one end close to the cylindrical groove 203, a spring 8 is fixedly connected inside the sliding barrel 7, a clamping plate 9 is fixedly connected inside the sliding barrel 7 and with the spring 8 in a sliding manner, the clamping plate 9 is fixedly connected with a cushion 901 at one end close to the cylindrical groove 203, and the magnetic poles of the first magnets 2061 and the second magnets 601 in the opposite directions are the same, so that the cushion 901 and the clamping plate 9 are restored.

The lower end of the rotary disc 2 is fixedly connected with a first rotary shaft 10, the annular teeth 204 are engaged and connected with a rectangular rod 11, the left part of the rectangular rod 11 is provided with a rectangular tooth row 1101, the right end of the rectangular rod 11 is fixedly connected with a sliding rod 12, the upper end of the sliding rod 12 is fixedly connected with a first steering knuckle 1201, the inner part of the first steering knuckle 1201 is rotatably connected with a swing rod 13, the left end of the swing rod 13 is fixedly connected with a second steering knuckle 1301, the lower end of the second steering knuckle 1301 is rotatably connected with a detection device 14, the lower surface of the detection device 14 is slidably connected with a flywheel 15 on the rotary disc 2, the upper end of the flywheel 15 is in threaded connection with a bolt 1501 corresponding to the rectangular groove 202, the lower end of the flywheel 15 is fixedly connected with a second rotary shaft 1502, a magnetic field generated by a coil 3 is opposite to a permanent magnet 5, so as to fix the second rotary shaft 1502, the cushion and the clamping, the sliding rod 1201 is slidably connected to the base 1, so that the rectangular rod 11 drives the sliding rod 12, the sliding rod 12 drives the detecting device 14 to slide on the flywheel 15 through the swing rod 13, and the diameter of the cylindrical groove 203 is larger than the outer diameter of the second rotating shaft 1502. Thus ensuring the fixation of the clamping plate 9 to the flywheel 15.

The working principle is as follows: the device for detecting the flatness of the surface of the flywheel of the aircraft engine comprises a bolt 1501 on a flywheel 15 aligned with a rectangular groove 202 on a rotary disc 2, the bolt 1501 is abutted against one side of a first rotating shaft 10 in the opposite direction of rotation, the flywheel 15 is abutted against the rectangular groove 202 due to inertia along with the rotation of the first rotating shaft 10, so that the fixation of the flywheel 15 is ensured, the structure is used for detecting one side of the flywheel 15 with a rotating shaft, the bolt is inserted into a cylindrical groove 203 through a second rotating shaft 1502, at the moment, a coil 3 is electrified, the coil 3 generates a magnetic field opposite to a magnet 5 for a long time, the coil 3 drives a push rod 6 to move through a permanent magnet 5, the push rod 6 drives a clamping plate 9 to fix a second rotating shaft 1502 through a sliding cylinder 7, the structure is used for detecting one side of the flywheel 15 without the rotating shaft, after the detection is finished, the coil 3 is powered off, at the moment, the second magnet 601 on the push rod 6 is mutually adsorbed with a first magnet 2061 on a positioning block, make through the mechanism of electrical coil 3 driven reset to guaranteed the normal clear that next flywheel detected, through the meshing of annular tooth 204 with the rectangle tooth row on the rectangle pole 11, rectangle pole 11 drives slide bar 12 and moves left, and slide bar 12 drives detection device 14 through pendulum rod 13 and slides on flywheel 15, thereby accomplishes the detection to flywheel 15, what need explain is: the length of the right end of the rectangular tooth row 1101 is fixed to the sliding rod 12, when flywheels 15 with different diameters are detected, the position of the detection device 14 is adjusted by moving the sliding rod 12, when the detection device 14 reaches the center of the flywheels 15, the annular tooth 204 is separated from the rectangular tooth row 1101 on the rectangular rod 11, repeated detection of the detection device 14 is avoided due to rotation detection of the flywheels 15, meanwhile, the first rotating shaft 10 rotates for one circle due to the selection proportion of the annular tooth 204, the detection device 14 moves the length of the detection device, and accordingly comprehensive detection of the flywheels 15 is achieved.

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.