CN218765213U

CN218765213U - Low pressure turbine clearance control valve turned angle measures frock

Info

Publication number: CN218765213U
Application number: CN202222917660.9U
Authority: CN
Inventors: 王悦; 韦师
Original assignee: Wuhu Shuangyi Aero Tech Co ltd
Current assignee: Wuhu Shuangyi Aero Tech Co ltd
Priority date: 2022-11-02
Filing date: 2022-11-02
Publication date: 2023-03-28
Anticipated expiration: 2032-11-02

Abstract

The utility model relates to a detection device technical field specifically is a low pressure turbine clearance control valve turned angle measures frock, which comprises a fixing plate and i, the rear end of fixed plate is equipped with the fixing base, be equipped with connecting plate and keysets between fixing base and the fixed plate, connecting plate and keysets distribute from top to bottom, connecting plate and fixed plate and fixing base fixed connection, the rear end of fixing base is equipped with detachable angle sensor admittedly, it is equipped with a rotation section of thick bamboo to rotate between connecting plate and the keysets, angle sensor's front end is connected and is equipped with the measuring pole, the rear end and the measuring pole fixed connection that rotate a section of thick bamboo, the connecting axle has been inserted between connecting plate and the keysets, a rotation section of thick bamboo is used for the fixed connecting axle that is located between connecting plate and the keysets, the connection reliability, through the automatic actuation of magnet on the installation face, need not artifical support, simple to operate, a rotation section of thick bamboo can be changed, can be applicable to different radial run-out of valve, it carries out secondary detection to need not to change the device.

Description

Low pressure turbine clearance control valve turned angle measures frock

Technical Field

The utility model relates to a detection device technical field specifically is a low pressure turbine clearance control valve turned angle measures frock.

Background

The engine runs all the year round, so that the gap value between the valve and the outer ring block will change, the rotation angle of the valve is different from the set rotation angle, and the control valve needs to be maintained regularly;

for example, chinese utility model with publication number CN215064613U discloses a high-precision rotation angle sensor test board, which comprises a controller and a fixed support, wherein a driving device, a first coupler, a speed reducer and a second coupler are arranged in the fixed support, one end of the first coupler is connected with the driving device, the other end of the first coupler is connected with the speed reducer, one end of the second coupler is connected with the speed reducer, the other end of the second coupler passes through the upper side of the fixed support to be connected with a rotating shaft of an external angle sensor, the tail end of the driving device is provided with a magnetic encoder for detecting the rotation angle of the driving device, the speed reducer is provided with an optical encoder for detecting the rotation angle of the external angle sensor, the controller is respectively connected with the magnetic encoder, the optical encoder and the driving device, and by setting the angle required for testing, the angle sensor can be rotated to a corresponding angle by controlling a motor through the controller for testing, and the high-precision rotation angle sensor test board has the characteristics of small volume and high measurement accuracy;

however, in the use process of the technical scheme provided by the application, the occupied area of the equipment is large, the transverse rotating shaft is inconvenient to install, the installation process is complex, and time and labor are wasted.

Disclosure of Invention

An object of the utility model is to provide a low pressure turbine clearance control valve turned angle measures frock for overcome the above-mentioned defect among the prior art.

According to the utility model discloses a low pressure turbine clearance control valve turned angle measures frock, which comprises a fixing plate and i, the rear end of fixed plate is equipped with the fixing base, the fixing base with be equipped with connecting plate and keysets between the fixed plate, the connecting plate with keysets distributes from top to bottom, the connecting plate with the fixed plate with fixing base fixed connection, the rear end of fixing base has set firmly detachable angle sensor, the connecting plate with it is equipped with the rotor to rotate between the keysets, angle sensor's front end connection is equipped with the measuring rod, the rear end of rotor with measuring rod fixed connection, the connecting plate with insert the connecting axle between the keysets, the connecting axle is connected with low pressure turbine clearance control valve, the rotor is used for fixed the position the connecting plate with connecting axle between the keysets, set up two bilateral symmetry's fixed orifices on the fixed plate, open the setting around the fixed orifices, set firmly four evenly distributed's magnet on the preceding terminal surface of fixed plate, the fixed plate the connecting plate the keysets, the fixing base with angle sensor homocentric setting, be equipped with the fixed cavity that opens around the rotor, be equipped with on the fixed cavity's the inside wall, evenly distributed's friction block is changed, the circumference can change the friction block, the convenient installation, the connecting axle can not be applicable to the convenience of installation.

Preferably, the draw-in groove of two bilateral symmetry is seted up to the upper end of fixed plate, the front end of keysets admittedly is equipped with the fixture block of two bilateral symmetry, set firmly on the lower terminal surface of keysets and detect the ring, it is equipped with circumference evenly distributed's detection piece, every to detect the piece with it is equipped with the spring telescopic link to detect all to connect between the ring, detect a front end slope setting, the horizontal setting of rear end, the rear end of keysets is equipped with the spring cardboard through spring coupling, the spring cardboard can with the rear end of fixing base is hugged closely, can detect the runout of valve, need not to change the device and carries out the secondary and detect.

Preferably, three threaded holes which are uniformly distributed in the circumferential direction are formed in the fixing seat, and each threaded hole is formed in the front and back.

The utility model has the advantages that:

the utility model discloses a clutch blocks improves frictional force, increases clutch blocks and connects the reliability, and the clutch blocks can stretch out and draw back simultaneously, and the user need not to measure the radius of connecting axle, judges the connecting axle through observing and chooses roughly a rotation section of thick bamboo to install, through the automatic actuation of magnet on the installation face, need not artifical support, simple to operate, a rotation section of thick bamboo can be changed, can be applicable to different radial connecting axles, can detect the runout of valve, need not to change the device and carry out the secondary and detect.

Drawings

FIG. 1 is a first perspective view of the present invention;

FIG. 2 is a second perspective view of the present invention;

fig. 3 is a schematic perspective view of the fixing plate in fig. 2 according to the present invention;

fig. 4 is a schematic perspective view of the transfer plate of fig. 2 according to the present invention;

fig. 5 is a schematic perspective view of the fixing base in fig. 1 according to the present invention;

fig. 6 is a schematic front view of fig. 1 of the present invention;

fig. 7 is a side view schematic of fig. 1 of the present invention;

in the figure:

1. a detection block; 2. a detection loop; 3. a magnet; 4. a friction block; 5. a fixed cavity; 6. a spring telescopic rod; 7. a rotating cylinder; 8. a detection lever; 9. a threaded hole; 10. a fixing plate; 11. a connecting plate; 12. a fixed seat; 13. an angle sensor; 14. an adapter plate; 15. a fixing hole; 16. a card slot; 17. a clamping block; 18. spring catch plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 the ordinary skilled person in the art without creative work all belong to the protection scope of the present invention:

the first embodiment is as follows:

referring to fig. 1-7, a tool for measuring a rotation angle of a low-pressure turbine clearance control valve according to an embodiment of the present invention includes a fixed plate 10, a fixed seat 12 is disposed at a rear end of the fixed plate 10, a connecting plate 11 and an adapter plate 14 are disposed between the fixed seat 12 and the fixed plate 10, the connecting plate 11 and the adapter plate 14 are vertically distributed, the connecting plate 11 is fixedly connected to the fixed plate 10 and the fixed seat 12, a detachable angle sensor 13 is fixedly disposed at a rear end of the fixed seat 12, a rotating cylinder 7 is rotatably disposed between the connecting plate 11 and the adapter plate 14, a detecting rod 8 is connected to a front end of the angle sensor 13, a rear end of the rotating cylinder 7 is fixedly connected to the detecting rod 8, a connecting shaft is inserted between the connecting plate 11 and the adapter plate 14, the connecting shaft is connected to the low-pressure turbine clearance control valve, the rotating cylinder 7 is used for fixing the connecting shaft between the connecting plate 11 and the adapter plate 14, two bilaterally symmetrical fixing holes 15 are disposed on the fixed plate 10, the fixing holes 15 are disposed in front and rear of the fixed plate, four magnets 3 are uniformly distributed on a front end surface of the fixed plate 10, the fixed plate 10 is provided with four fixing blocks 5, and friction blocks 5 are uniformly distributed on the fixing cavity, and the fixing blocks are uniformly disposed on the inner side of the fixing cylinder 7, and the fixing cavity are uniformly distributed on the fixing plate, and the fixing cavity, and the fixing blocks are uniformly distributed, and the fixing blocks 4, and the fixing blocks are uniformly distributed on the fixing cavity, and the fixing blocks are uniformly;

the utility model discloses before carrying out the angle detection of low pressure turbine clearance control valve, according to the radius size of corresponding connecting axle, change the rotary drum 7 of the fixed chamber 5 of different radiuses, with rotary drum 7 ann to the top of connecting plate 11, with the front end butt installation face of fixed plate 10, through the magnetism of magnet 3, with fixed plate 10 actuation setting on the installation face, the user can relieve fixed plate 10, select the bolt, promote fixed plate 10 to carry out position adjustment afterwards, make two fixed orifices 15 that set up on fixed plate 10 align with two corresponding installation screw holes, make the rear end fixed connection of measuring bar 8 and rotary drum 7, the connecting axle is hugged closely with the clutch blocks 4 that are located fixed chamber 5;

a connecting shaft connected to the low-pressure turbine clearance control valve penetrates through the fixing plate 10 and is positioned on the upper side of the connecting plate 11, bolts are screwed into the two fixing holes 15 through the left fixing hole 15 and the right fixing hole 15 respectively, the fixing plate 10 is fixedly arranged on the mounting surface, the fixing plate 10 and the connecting shaft are coaxially arranged through the left fixing hole 15 and the right fixing hole 15, and the connecting shaft can be connected with the rotating cylinder 7;

when the low pressure turbine clearance control valve rotates, through setting for rotation angle to valve department, the control valve is rotatory to it is rotatory to drive the connecting axle of being connected with it, and the connecting axle is through rotating a section of thick bamboo 7, with rotatory transmission to detection pole 8 department, in angle sensor 13 circular telegram work, detects the rotation angle of connecting axle, and with setting for the rotation angle contrast, whether the detection valve can normally work.

Example two:

the difference between the second embodiment and the first embodiment is: referring to fig. 3-5, two bilaterally symmetrical clamping grooves 16 are formed in the upper end of a fixing plate 10, two bilaterally symmetrical clamping blocks 17 are fixedly arranged at the front end of an adapter plate 14, a detection ring 2 is fixedly arranged on the lower end face of the adapter plate 14, detection blocks 1 which are uniformly distributed in the circumferential direction are arranged in the detection ring 2, a spring telescopic rod 6 is connected between each detection block 1 and the detection ring 2, the front end of each detection block 1 is obliquely arranged, the rear end of each detection block 1 is horizontally arranged, a spring clamping plate 18 is arranged at the rear end of the adapter plate 14 through spring connection, and the spring clamping plate 18 can be tightly attached to the rear end of a fixing seat 12;

after selecting the corresponding rotary cylinder 7 according to the connecting axle radius, insert the keysets 14 from last to down between fixed plate 10 and the fixing base 12, two fixture blocks 17 that set firmly at the keysets 14 front end insert to the joint in draw-in groove 16, it is fixed to hug closely the preceding terminal surface of fixing base 12 through the spring coupling at the spring catch plate 18 of keysets 14 rear end, it is located the front side of rotary cylinder 7 to detect ring 2, subsequently laminate fixed plate 10 and installation face, the connecting axle inserts to detecting ring 2, through the detection piece 1 that the front end slope set up, extend backward, make the connecting axle and the front end butt of rotary cylinder 7, when the connecting axle rotates, through the detection piece 1 of circumference setting in detecting ring 2, according to the flexible volume of spring telescopic link 6, take out the flexible volume in the original installation, detect the radial runout of connecting axle, judge whether the valve that has repaired can normally work, can detect the radial runout of valve, detect whether the maintenance process has the problem.

Example three:

the third embodiment is different from the first and second embodiments in that: referring to fig. 2-4, three threaded holes 9 uniformly distributed in the circumferential direction are formed in the fixed seat 12, and each threaded hole 9 is arranged in a front-back manner;

screws are screwed into the threaded holes 9 through the three threaded holes 9, and the angle sensor 13 is fixedly arranged on the fixed seat 12.

It will be apparent to those skilled in the art that various modifications may be made to the above embodiments without departing from the general spirit and concept of the invention. Which all fall within the protection scope of the utility model. The protection scheme of the utility model is based on the appended claims.

Claims

1. The utility model provides a low pressure turbine clearance control valve turned angle measures frock, includes fixed plate (10), its characterized in that: the rear end of fixed plate (10) is equipped with fixing base (12), fixing base (12) with be equipped with connecting plate (11) and keysets (14) between fixed plate (10), connecting plate (11) with keysets (14) distribute from top to bottom, connecting plate (11) with fixed plate (10) with fixing base (12) fixed connection, the rear end of fixing base (12) is equipped with detachable angle sensor (13) admittedly, connecting plate (11) with it is equipped with a rotation section of thick bamboo (7) to rotate between keysets (14), the front end connection of angle sensor (13) is equipped with detects pole (8), the rear end of a rotation section of thick bamboo (7) with detect pole (8) fixed connection, connecting plate (11) with it has inserted the connecting axle between keysets (14), and the connecting axle is connected with low pressure turbine clearance control valve, it is used for the fixed being located to rotate a section of thick bamboo (7) connecting plate (11) with connecting axle between keysets (14).

2. The low-pressure turbine clearance control valve rotation angle measuring tool according to claim 1, characterized in that: the utility model discloses a detection device, including fixed plate (10), adapter plate (14), detection ring (2), detection piece (1) that are equipped with circumference evenly distributed, every detection piece (1) with it is equipped with spring telescopic link (6) all to connect between detection ring (2).

3. The low-pressure turbine clearance control valve rotation angle measuring tool according to claim 2, characterized in that: the front end of the detection block (1) is obliquely arranged, and the rear end of the detection block is horizontally arranged.

4. The low-pressure turbine clearance control valve turned angle measuring tool of claim 1, characterized in that: the rear end of the adapter plate (14) is provided with a spring clamping plate (18) through spring connection, and the spring clamping plate (18) can be tightly attached to the rear end of the fixed seat (12).

5. The low-pressure turbine clearance control valve rotation angle measuring tool according to claim 1, characterized in that: two fixing holes (15) which are symmetrical left and right are formed in the fixing plate (10), the fixing holes (15) are arranged in a front-back opening mode, and four magnets (3) which are uniformly distributed are fixedly arranged on the front end face of the fixing plate (10).

6. The low-pressure turbine clearance control valve rotation angle measuring tool according to claim 1, characterized in that: the rotary drum (7) is provided with a fixed cavity (5) which is opened from front to back, and the inner side wall of the fixed cavity (5) is provided with friction blocks (4) which are uniformly distributed in the circumferential direction.

7. The low-pressure turbine clearance control valve rotation angle measuring tool according to claim 6, characterized in that: the friction block (4) can stretch and retract.

8. The low-pressure turbine clearance control valve rotation angle measuring tool according to claim 1, characterized in that: three threaded holes (9) which are uniformly distributed in the circumferential direction are formed in the fixed seat (12).

9. The low-pressure turbine clearance control valve turned angle measuring tool of claim 8, characterized in that: each threaded hole (9) is arranged in a front-back opening mode.

10. The low-pressure turbine clearance control valve rotation angle measuring tool according to claim 1, characterized in that: the fixed plate (10), the connecting plate (11), the adapter plate (14), the fixed seat (12) and the angle sensor (13) are coaxially arranged.