Load loading device for testing torque of valve actuating mechanism

Abstract

The utility model relates to the field of valve testing, and discloses a load loading device for testing the torque of a valve actuating mechanism, which comprises a base, one end of the base is fixedly connected with a mounting cylinder, the inner wall of the mounting cylinder is clamped with a tested piece, and the center of the tested piece and the center of the mounting cylinder are on the same straight line. The top of the base is fixedly provided with a sliding rail, the top of the sliding rail is slidably connected with a telescopic rod, one end of the telescopic rod is fixedly provided with a tester, and the bottom end of the tester is clamped with the top of a tested piece; the tested piece is placed in the mounting cylinder, the top of the sliding rail is slidably connected with the telescopic rod, one end of the telescopic rod is connected with the tester, and the bottom end of the tester is clamped with the top of the tested piece, so that the tested piece is tested by means of the tester, the tester is driven to move through the telescopic rod, the tester is convenient to mount and dismount, and the test efficiency is improved. Therefore, the operation amount of installation of a conventional load loading device is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of valve testing, in particular to a load loading device for testing valve actuator torque. BACKGROUND

[0002] Valve detection refers to a series of tests and inspections on valves to ensure that they can work normally under various working conditions and meet safety requirements. The main purpose of valve detection is to evaluate the mechanical performance, sealing performance, material properties and operating performance of valves. Valve detection often tests valve actuator torque, which refers to measuring the rotational force required to open or close the valve. The purpose of testing valve actuator torque is to select appropriate driving devices, ensure normal operation of valves and prolong service life. Valve actuator torque test field applies a certain load to the measured object through a load loading device to test its mechanical properties and durability.

[0003] For the related technology in the above, the inventor believes that the conventional valve actuator is often connected with the load loading device by connecting parts during installation. The conventional connection method is more cumbersome, and a lot of time is needed to test a large number of valve actuators, thereby affecting the efficiency of valve testing.

[0004] The above information disclosed in the background technology is only used to increase the understanding of the background technology of the present application, and therefore, it can include prior art known by those skilled in the art. CONTENT OF THE INVENTION

[0005] In order to solve the problem of cumbersome installation of conventional load loading devices, the present application provides a load loading device for testing valve actuator torque.

[0006] The load loading device for testing valve actuator torque provided by the present application adopts the following technical scheme:

[0007] A load loading device for testing valve actuator torque, comprising a base, one end of the base is fixedly connected with a mounting cylinder, the inner wall of the mounting cylinder is clamped with a measured part, the center of the measured part is on the same straight line with the center of the mounting cylinder, the top of the base is fixedly installed with a sliding rail, the top of the sliding rail is slidingly connected with an extension rod, one end of the extension rod is fixedly installed with a tester, the bottom end of the tester is clamped with the top of the measured part, and the center of the tester is on the same straight line with the center of the measured part.

[0008] Preferably, the bottom end of the tester is fixedly provided with a connecting rod, the surface of the connecting rod is slidably connected with a limiting frame, the bottom end of the limiting frame is clamped with a mounting block, the bottom end of the mounting block is fixedly provided with a mounting block, and the size specification of the surface of the mounting block is matched with the size specification of the inner wall of the limiting frame.

[0009] Preferably, the cross section of the connecting rod is in a T-shaped structure, and the size specification of the bottom end of the connecting rod is greater than the size specification of the inner wall of the limiting frame.

[0010] Preferably, the top of the limiting frame is fixedly connected with a spring, the top of the spring is fixedly provided with the bottom end of the tester, and the center of the spring is on the same straight line with the center of the connecting rod.

[0011] Preferably, the inner wall of the mounting cylinder is slidably connected with an adjusting disc, the center of the adjusting disc is on the same straight line with the center of the mounting cylinder, the top of the adjusting disc is movably provided with the bottom end of the measured member, the top of the adjusting disc is fixedly connected with two electric push rods, and the top of the electric push rod is fixedly provided with the inner wall of the mounting cylinder.

[0012] Preferably, the inner wall of the mounting cylinder is threadedly connected with a threaded rod, one end of the threaded rod is fixedly provided with a rotating block, and the center of the rotating block is on the same straight line with the center of the threaded rod.

[0013] Preferably, one end of the threaded rod is rotatably connected with a limiting sheet, one end of the limiting sheet is clamped with the surface of the measured member, the inner wall of the measured member is fixedly provided with a fixed sheet, and the fixed sheet and the limiting sheet are rubber sheets.

[0014] In summary, the present application has the following beneficial technical effects:

[0015] 1. By placing the measured member in the mounting cylinder, the top of the sliding rail is slidably connected with a telescopic rod, one end of the telescopic rod is connected with a tester, the bottom end of the tester is clamped with the top of the measured member, so as to facilitate the testing of the measured member by means of the tester, and the tester is moved by the telescopic rod, which facilitates the installation and disassembly of the tester, thereby reducing the operation amount of the conventional load loading device installation, the bottom end of the tester is provided with a limiting frame by means of a connecting rod, the bottom end of the limiting frame is connected with the mounting block on the top of the measured member, so as to connect the measured member and the tester by means of the mounting block and the limiting frame, and the disassembly of the measured member can be completed by separating the limiting frame and the mounting block, the surface of the connecting rod is slidably connected with the inner wall of the limiting frame, so as to facilitate the adjustment of the height of the limiting frame by means of the connecting rod, and the movement range of the limiting frame is limited, the top of the limiting frame is fixedly provided with a spring, the top of the spring is connected with the bottom end of the tester, so as to facilitate the pushing of the limiting frame by means of the spring, the limiting frame is kept clamped with the surface of the mounting block, and the stability of the limiting frame is effectively improved; compared with the prior art, the convenience of installation and disassembly of the measured member is effectively improved.

[0016] 2. The adjusting disc can also be placed in the mounting cylinder, the top of the adjusting disc is provided with two electric push rods, so as to adjust the length of the electric push rod, facilitate the operation of the adjusting disc in the mounting cylinder, and adjust the height of the measured part, facilitate the installation of different sizes of measured parts, the inner wall of the mounting cylinder is threadedly connected with a threaded rod, one end of the threaded rod is provided with a rotating block, so as to control the rotation of the threaded rod by means of the rotating block, and the one end of the threaded rod is limited to the measured part, avoiding the deviation of the measured part during testing, one end of the threaded rod is provided with a limiting piece, the inner wall of the mounting cylinder is provided with a fixed piece, and the limiting piece and the fixed piece are both rubber pieces, so as to shield the periphery of the mounting cylinder by means of the limiting piece and the mounting piece, preventing the measured part from rubbing with the mounting cylinder during installation and fixation; effectively improve the use effect of the device. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is the overall structure schematic diagram of the application embodiment of a load loading device for testing valve actuator torque;

[0018] Figure 2 is the slide rail structure schematic diagram of the application embodiment;

[0019] Figure 3 is the side view structure schematic diagram of the application embodiment;

[0020] Figure 4 is the structure schematic diagram of A of the application embodiment.

[0021] Explanation of reference signs: 1, base; 2, mounting cylinder; 3, measured part; 4, slide rail; 5, telescopic rod; 6, tester; 7, mounting block; 8, limiting frame; 9, connecting rod; 10, spring; 11, adjusting disc; 12, electric push rod; 13, threaded rod; 14, rotating block; 15, limiting piece; 16, fixed piece. DETAILED DESCRIPTION

[0022] The following will be combined with the Figure 1 application to make further detailed description.

[0023] The application embodiment discloses a load loading device for testing valve actuator torque, referring to Figure 1 - Figure 2 , including a base 1, after the base 1 is installed stably, one end of the base 1 is connected with a mounting cylinder 2, a measured part 3 is placed in the mounting cylinder 2, the top of the base 1 is provided with a slide rail 4, the top of the slide rail 4 is slidably connected with a telescopic rod 5, one end of the telescopic rod 5 is connected with a tester 6, the bottom end of the tester 6 is clamped with the top of the measured part 3, the measured part 3 is tested by means of the tester 6, and the tester 6 is moved by sliding operation of the telescopic rod 5, which facilitates the installation and disassembly of the tester 6, thereby reducing the operation amount of the conventional load loading device installation.

[0024] With reference to Figure 2 The bottom end of the tester 6 is provided with a limiting frame 8 connected through a connecting rod 9, the bottom end of the limiting frame 8 is connected with the mounting block 7 on the top of the measured piece 3, so that the measured piece 3 is connected with the tester 6 through the mounting block 7 and the limiting frame 8, and the disassembly of the measured piece 3 can be completed by separating the limiting frame 8 from the mounting block 7, the surface of the connecting rod 9 is slidingly connected with the inner wall of the limiting frame 8, so as to conveniently adjust the height of the limiting frame 8 through the connecting rod 9, and the movement range of the limiting frame 8 is limited, the top of the limiting frame 8 is fixedly provided with a spring 10, the top of the spring 10 is connected with the bottom end of the tester 6, so as to push the limiting frame 8 through the spring 10, keep the limiting frame 8 clamped with the surface of the mounting block 7, and effectively improve the stability of the limiting frame 8.

[0025] With reference to Figure 3 Figure 4 The adjusting disc 11 is placed in the mounting cylinder 2, the top of the adjusting disc 11 is provided with two electric push rods 12, so as to adjust the length of the electric push rod 12, conveniently control the movement of the adjusting disc 11 in the mounting cylinder 2, and adjust the height of the measured piece 3, so as to conveniently install the measured piece 3 of different sizes, the inner wall of the mounting cylinder 2 is threadedly connected with a threaded rod 13, one end of the threaded rod 13 is provided with a rotating block 14, so as to control the rotation of the threaded rod 13 through the rotating block 14, and the one end of the threaded rod 13 is limited to the measured piece 3, so as to avoid the deviation of the measured piece 3 during testing, one end of the threaded rod 13 is provided with a limiting piece 15, the inner wall of the mounting cylinder 2 is provided with a fixed piece 16, and the limiting piece 15 and the fixed piece 16 are both rubber pieces, so as to shield the periphery of the mounting cylinder 2 through the limiting piece 15 and the mounting piece, and prevent the measured piece 3 from rubbing with the mounting cylinder 2 during installation and fixation.

[0026] ​The implementation principle of the load loading device for testing the torque of the valve actuator is as follows: the measured piece 3 is placed in the mounting cylinder 2, the top of the sliding rail 4 is slidingly connected with the telescopic rod 5, one end of the telescopic rod 5 is connected with the tester 6, the bottom end of the tester 6 is clamped with the top of the measured piece 3, so as to test the measured piece 3 by means of the tester 6, and the tester 6 is moved by the telescopic rod 5, which facilitates the installation and disassembly of the tester 6, thereby reducing the operation amount of the conventional load loading device installation, the bottom end of the tester 6 is installed with the limiting frame 8 by means of the connecting rod 9, the bottom end of the limiting frame 8 is connected with the mounting block 7 on the top of the measured piece 3, so as to connect the measured piece 3 and the tester 6 by means of the mounting block 7 and the limiting frame 8, and the limiting frame 8 and the mounting block 7 are separated to complete the disassembly of the measured piece 3, the surface of the connecting rod 9 is slidingly connected with the inner wall of the limiting frame 8, so as to facilitate the adjustment of the height of the limiting frame 8 by means of the connecting rod 9, and the movement range of the limiting frame 8 is limited, the top of the limiting frame 8 is fixedly installed with the spring 10, the top of the spring 10 is connected with the bottom end of the tester 6, so as to push the limiting frame 8 by means of the spring 10, and the limiting frame 8 is kept clamped with the surface of the mounting block 7, thereby effectively improving the stability of the limiting frame 8.

[0027] The adjusting disc 11 can also be placed in the mounting cylinder 2, two electric push rods 12 are installed on the top of the adjusting disc 11, so as to adjust the length of the electric push rod 12, facilitate the operation of the adjusting disc 11 in the mounting cylinder 2, thereby adjusting the height of the measured piece 3, facilitating the installation of the measured piece 3 of different sizes, the inner wall of the mounting cylinder 2 is threadedly connected with the threaded rod 13, one end of the threaded rod 13 is installed with the rotating block 14, so as to control the rotation of the threaded rod 13 by means of the rotating block 14, and the one end of the threaded rod 13 is limited to the measured piece 3, avoiding the deviation of the measured piece 3 during testing, one end of the threaded rod 13 is installed with the limiting piece 15, the inner wall of the mounting cylinder 2 is installed with the fixed piece 16, and the limiting piece 15 and the fixed piece 16 are both rubber pieces, so as to shield the periphery of the mounting cylinder 2 by means of the limiting piece 15 and the mounting piece, preventing the measured piece 3 from rubbing with the mounting cylinder 2 during installation and fixation.

[0028] The above are preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape, principle of the present application shall be covered within the protection scope of the present application.

Claims

1. A load loading device for testing the torque of a valve actuator, comprising a base (1), characterized in that: One end of the base (1) is fixedly connected with the mounting cylinder (2), the inner wall of the mounting cylinder (2) is clamped with the measured piece (3), the center of the measured piece (3) is on the same straight line with the center of the mounting cylinder (2), the top of the base (1) is fixedly installed with the slide rail (4), one end of the telescopic rod (5) is fixedly installed with the tester (6).

2. The load loading device for testing the torque of a valve actuator according to claim 1, characterized in that: The bottom end of the tester (6) is clamped with the top of the measured piece (3), and the center of the tester (6) is on the same straight line with the center of the measured piece (3).

3. The load loading device for testing the torque of a valve actuator according to claim 1, wherein: The bottom end of the tester (6) is fixedly installed with the connecting rod (9), the surface of the connecting rod (9) is slidably connected with the limiting frame (8), the bottom end of the limiting frame (8) is clamped with the mounting block (7), the bottom end of the mounting block (7) is fixedly installed with the top of the measured piece (3), and the size specification of the surface of the mounting block (7) is adapted to the size specification of the inner wall of the limiting frame (8).

4. The load loading device for testing the torque of a valve actuator according to claim 3, characterized in that: The cross section of the connecting rod (9) is a "T" shaped structure, and the size specification of the bottom end of the connecting rod (9) is greater than the size specification of the inner wall of the limiting frame (8).

5. The load loading device for testing the torque of a valve actuator according to claim 3, wherein: The top of the limiting frame (8) is fixedly connected with the spring (10), the top of the spring (10) is fixedly installed with the bottom end of the tester (6), and the center of the spring (10) is on the same straight line with the center of the connecting rod (9).

6. The load loading device for testing the torque of a valve actuator according to claim 1, wherein: The inner wall of the mounting cylinder (2) is slidably connected with the adjusting disc (11), the center of the adjusting disc (11) is on the same straight line with the center of the mounting cylinder (2), and the top of the adjusting disc (11) is movably installed with the bottom end of the measured piece (3), the top of the adjusting disc (11) is fixedly connected with two electric push rods (12), and the top of the electric push rod (12) is fixedly installed with the inner wall of the mounting cylinder (2).

7. The load loading device for testing the torque of a valve actuator according to claim 1, wherein: The inner wall of the mounting cylinder (2) is threadedly connected with the threaded rod (13), one end of the threaded rod (13) is fixedly installed with the rotating block (14), and the center of the rotating block (14) is on the same straight line with the center of the threaded rod (13).

8. The load loading device for testing the torque of a valve actuator according to claim 7, characterized in that: One end of the threaded rod (13) is rotatably connected with the limiting sheet (15), one end of the limiting sheet (15) is clamped with the surface of the measured piece (3), the inner wall of the measured piece (3) is fixedly installed with the fixed sheet (16), and the fixed sheet (16) and the limiting sheet (15) are both rubber sheets.

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