CN210571113U

CN210571113U - Torque force detection device for electric valve actuator

Info

Publication number: CN210571113U
Application number: CN201921358945.5U
Authority: CN
Inventors: 孙建龙; 孙小龙; 李柏和; 颜培泉; 谢荣
Original assignee: Guangzhou Feixier Electromechanical Equipment Co ltd
Current assignee: Guangzhou Feixier Electromechanical Equipment Co ltd
Priority date: 2019-08-21
Filing date: 2019-08-21
Publication date: 2020-05-19
Anticipated expiration: 2029-08-21

Abstract

The utility model discloses an electric valve executor torsion detection device, which comprises a bracket, fixed welding has table surface in proper order on this support, two first bracing pieces and two second bracing pieces, fixed mounting has first mounting bracket on the upper surface of two second bracing pieces, fixed mounting has magnetic clutch on the first mounting bracket, fixed mounting has the second mounting bracket on the lower surface of two first bracing pieces, the second mounting bracket sets up the top at magnetic clutch, install change gear group on the second mounting bracket, magnetic clutch's output shaft and change gear group transmission are connected, change gear group is last to be connected with the main shaft through axle sleeve transmission, torque sensor is installed on the upper portion of main shaft, the chuck is installed on the main shaft top, the cover is equipped with on the chuck and installs the tray. The utility model discloses regard as the power supply with electric valve executor itself, realize just reversing torsion test and life-span test, the accuracy is high, has reduced equipment cost simultaneously.

Description

Torque force detection device for electric valve actuator

Technical Field

The utility model relates to an electric valve check out test set technical field specifically is an electric valve executor torsion detection device.

Background

The electric actuator is also called an electric valve controller, and a controller is added on the basis of the valve, so that the valve can be remotely controlled in a control chamber. The valve switch is used for controlling the fluid pipeline and controlling the opening and closing angle of the valve so as to control the flow of the fluid. The method can be widely applied to industries such as electric power, metallurgy, petrifaction, building materials, heat supply, light industry, water treatment and the like, and plays an important role in an industrial process control system. The adjusting electric actuator mainly comprises an actuator and a position locator. The actuating mechanism mainly comprises a motor, a reducer, a torque stroke limiter, a switch control box, a hand wheel, a mechanical limiting device, a position transmitter and the like.

In the production process of the electric valve actuator, a detection device is required to be used for testing the torsion and the service life of the electric valve actuator. Chinese utility model 201621149809.1 discloses a torque detection device for an electric valve actuator, which comprises a bearing, a bottom plate, a lever, a flange, a force measuring block and a pressure sensor; the bearing is fixedly arranged on the bottom plate; the lever comprises a fixed end and a free end, is fixedly connected with the bearing through the fixed end and can horizontally rotate through the bearing; the flange which can be connected with an electric valve actuating mechanism needing torque detection is fixedly connected to the upper surface of the fixed end, a shaft fixing device is arranged in the middle of the flange and can be fixedly connected with a rotating shaft of the electric valve actuating mechanism which is arranged on the flange and used for performing torque detection, and the flange can be driven and the lever can be further driven to rotate around the axis of the bearing by starting the electric valve actuating mechanism; the force measuring block is arranged on the bottom plate on one side of the free end; the pressure sensor is arranged on the force measuring block and positioned between the free end and the force measuring block, and when the lever rotates, the free end can convert the torsion on the lever into pressure and transmit the pressure to the pressure sensor.

However, the above-mentioned detection device adopts a mode of measuring force quickly and measuring force axially, so that the accuracy of the detection device has a great limitation, and the requirements of detecting the torsion and the service life of the electric valve actuator cannot be well met.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric valve executor torsion detection device to electric valve executor itself can realize just reversing as the power supply, carries out torsion, life-span test, and the accuracy is high, reduces equipment cost, with the problem of proposing in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a torsion detection device for an electric valve actuator comprises a support, wherein the support is provided with a plurality of support rods, and the plurality of support rods form a rectangular frame and are horizontally arranged; the bracket is fixedly welded with a working table top, two vertical first supporting rods and two vertical second supporting rods in sequence from left to right in the horizontal direction, a first mounting frame is fixedly arranged on the upper surfaces of the two second supporting rods, the first mounting rack is fixedly provided with a magnetic powder clutch, the lower surfaces of the two first supporting rods are fixedly provided with a second mounting rack, the second mounting bracket is arranged above the magnetic powder clutch, a speed change gear set is arranged on the second mounting bracket, an output shaft of the magnetic powder clutch is in transmission connection with the speed change gear set, the speed change gear set is in transmission connection with a main shaft through a shaft sleeve, the torque sensor is installed on the upper portion of main shaft, the chuck is installed on the main shaft top, the cover is equipped with and installs the tray on the chuck, the tray runs through table surface exposes.

Preferably, change gear group includes first gear, second gear, third gear, first pivot, second pivot and fourth gear, first gear key-type is in on magnetic powder clutch's the output shaft, the second gear with first gear engagement, the third gear with second gear engagement, the fourth gear sets up the top of second gear, first pivot and second pivot are all rotated through the bearing and are connected on the second mounting bracket, the fourth gear with the equal key-type connection of second gear is in the first pivot, third gear key-type is in the second pivot.

Preferably, the bottom end of the tray is fixedly provided with a support frame, and the support frame is fixedly arranged on the lower surface of the working table.

Preferably, the output shaft of the magnetic powder clutch is rotatably connected to the second mounting frame through a bearing.

Preferably, a rubber pad is fixedly bonded on the bottom surface of the bracket; and a bearing is arranged between the second mounting bracket and the main shaft.

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

1. the torsion detection device of the electric valve actuator of the utility model takes the electric valve actuator as a power source, adopts the magnetic powder clutch to buffer the torsion, can realize the detection of the positive and negative torsion and the service life, and has high detection accuracy;

2. the utility model amplifies the resistance through the speed change gear set to meet the testing requirement;

3. set up change gear group between magnetic particle clutch and main shaft, directly use the motor of electric valve executor as the power supply, need not additionally to set up the motor, can realize digit ration regulation load moreover, enlarged detection range, reduced equipment cost.

Drawings

Fig. 1 is a schematic view of the overall appearance structure of the utility model in the working state;

FIG. 2 is a side view of the structure of FIG. 1;

FIG. 3 is a schematic top view of the structure of FIG. 1;

FIG. 4 is a schematic cross-sectional view of FIG. 3;

fig. 5 is a schematic structural view of a transmission gear set according to the present invention.

In the figure: 1. a support; 2. a work table; 3. a first support bar; 4. a second support bar; 5. a first mounting bracket; 6. a magnetic powder clutch; 7. a second mounting bracket; 8. a speed change gear set; 9. a main shaft; 10. a shaft sleeve; 11. a torque sensor; 12. a chuck; 13. a tray; 14. a first gear; 15. a second gear; 16. a third gear; 17. a first rotating shaft; 18. a second rotating shaft; 19. a fourth gear; 20. a support frame.

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 torsion detecting device for the electric valve actuator provided by the present invention comprises a bracket 1, wherein the bracket 1 is provided with a plurality of support rods, and the support rods are connected with each other to form a rectangular frame and are horizontally arranged; this support (1) has table surface 2 from a left side to the right side fixed welding in proper order on the horizontal direction, two vertical first bracing pieces 3 and two second bracing pieces 4, fixed mounting has first mounting bracket 5 on the upper surface of two second bracing pieces 4, fixed mounting has magnetic powder clutch 6 on the first mounting bracket 5, fixed mounting has second mounting bracket 7 on the lower surface of two first bracing pieces 3, second mounting bracket 7 sets up the top at magnetic powder clutch 6, install change gear group 8 on the second mounting bracket 7, magnetic powder clutch 6's output shaft and change gear group 8 transmission are connected, change gear group 8 is last to be connected with main shaft 9 through axle sleeve 10 transmission, torque sensor 11 is installed on the upper portion of main shaft 9, chuck 12 is installed on the main shaft 9 top, chuck 12 is gone up the cover and is equipped with and installs tray 13, tray 13 runs through table surface 2 and exposes.

Specifically, speed gearset 8 includes first gear 14, second gear 15, third gear 16, first pivot 17, second pivot 18 and fourth gear 19, first gear 14 key-type is on magnetic particle clutch 6's output shaft, second gear 15 and the meshing of first gear 14, third gear 16 and the meshing of second gear 15, fourth gear 19 sets up the top at second gear 15, first pivot 17 and second pivot 18 all rotate through the bearing and connect on second mounting bracket 7, fourth gear 19 and the equal key-type connection of second gear 15 are on first pivot 17, on the key-type connection second pivot 18 of third gear 16.

Specifically, the bottom end of the tray 13 is fixedly provided with a support frame 20, and the support frame 20 is fixedly arranged on the lower surface of the working table 2.

Specifically, the output shaft of the magnetic powder clutch 6 is rotatably connected to the second mounting frame 7 through a bearing.

Specifically, a rubber pad is fixed on the bottom surface of the bracket 1.

A bearing 21 is arranged between the second mounting bracket 7 and the main shaft 9.

The structure principle is as follows: when the utility model is used, the electric valve actuator is arranged on the tray 13, so that the chuck 12 clamps the electric valve actuator, when the test is carried out, the motor of the electric valve actuator drives the tray 13 and the chuck 12 to rotate, and further drives the main shaft 9 to rotate, so that the main shaft drives the speed change gear group 8 to rotate, the torque is buffered through the magnetic powder clutch 6, and further the forward and reverse rotation torque test is carried out; the precision is high, a special driving motor is not required to be arranged, and the equipment cost is low.

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 an electrically operated valve executor torsion detection device, includes support (1), its characterized in that: the support (1) is provided with a plurality of support rods, and the support rods are connected with one another to form a rectangular frame and are arranged horizontally; the support (1) is fixedly welded with a working table top (2), two vertical first support rods (3) and two vertical second support rods (4) from left to right in sequence in the horizontal direction; a first mounting frame (5) is fixedly mounted on the upper surfaces of the two second supporting rods (4), and a magnetic powder clutch (6) is fixedly mounted on the first mounting frame (5); a second mounting rack (7) is fixedly mounted on the lower surfaces of the two first supporting rods (3), and the second mounting rack (7) is arranged above the magnetic powder clutch (6); a speed change gear set (8) is mounted on the second mounting frame (7); the output shaft of magnetic powder clutch (6) with change gear group (8) transmission is connected, change gear group (8) are gone up and are connected with main shaft (9) through axle sleeve (10) transmission, torque sensor (11) are installed on the upper portion of main shaft (9), chuck (12) are installed on main shaft (9) top, the cover is equipped with on chuck (12) and installs tray (13), tray (13) run through table surface (2) expose.

2. The electrically operated valve actuator torque force sensing device of claim 1 wherein: speed gearset (8) include first gear (14), second gear (15), third gear (16), first pivot (17), second pivot (18) and fourth gear (19), first gear (14) key-type is in on the output shaft of magnetic particle clutch (6), second gear (15) with first gear (14) meshing, third gear (16) with second gear (15) meshing, fourth gear (19) set up the top of second gear (15), first pivot (17) and second pivot (18) all rotate through the bearing and connect on second mounting bracket (7), fourth gear (19) with second gear (15) all are in on first pivot (17) key-type connection, third gear (16) key-type connection is on second pivot (18).

3. The electrically operated valve actuator torque force sensing device of claim 1 wherein: the bottom fixed mounting of tray (13) has support frame (20), support frame (20) fixed mounting be in on the lower surface of table surface (2).

4. The electrically operated valve actuator torque force sensing device of claim 1 wherein: an output shaft of the magnetic powder clutch (6) is rotatably connected to the second mounting frame (7) through a bearing.

5. The electrically operated valve actuator torque force sensing device of claim 1 wherein: a rubber pad is fixedly bonded on the bottom surface of the bracket (1).

6. The electrically operated valve actuator torque force sensing device of claim 1 wherein: and a bearing (21) is arranged between the second mounting frame (7) and the main shaft (9).