Worm gear case torque clearance rapid measurement testboard

Abstract

The utility model discloses a worm gear case torque clearance rapid measurement testboard comprising a pedestal, the top of the pedestal is slidingly provided with a worm gear case, the pedestal is slidingly provided with a moving seat, the top of the moving seat is provided with a hydraulic lifting rod, and the hydraulic lifting rod drives a mounting seat to lift. A torque sensor and a motor are mounted at the top of the mounting seat, and the motor and the torque sensor are connected through a rigid coupling; a first pneumatic three-jaw chuck is installed at the end, located at the motor, of the worm gear case, and an angle sensor is installed between the first pneumatic three-jaw chuck and the torque sensor. And the base is provided with a second bearing seat. According to the utility model, the position of the detection bench can be adjusted by rotating the second hand wheel to the screw rod or hydraulically lifting, and the pneumatic three-jaw chuck is arranged at the input / output connecting part of the speed reducer to quickly clamp and connect the shaft hole of the speed reducer, so as to adapt to the no-load torque and gap detection of worm-gear speed reducers with different specifications.

Description

Technical Field

[0001] The utility model relates to the technical field of worm gear box torque measurement, in particular to a worm gear box torque clearance fast measurement test bench. Background Art

[0002] The output torque of the traditional valve worm gear box is generally measured by the torque arm weight method, that is, a connecting shaft is inserted into the shaft hole of the turbine box output shaft, and a lever is used to apply force to the connecting shaft used for measuring torque to measure the output torque of the turbine box. This measurement method has a slow detection speed, requires constant replacement of weights, and requires calculation after the test. The human factor is large, which has a great impact on the measurement results.

[0003] If the output torque value of the worm gear box is large, the above measurement method has the problems of large space occupation, cumbersome operation and inaccurate measurement. Therefore, we propose a worm gear box torque clearance rapid measurement test bench. Utility Model Content

[0004] The utility model aims to provide a worm gear box torque clearance fast measurement test bench to solve the problems in the prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a worm gear box torque clearance rapid measurement test bench, comprising a base, a worm gear box is slidably installed on the top of the base, a moving seat is slidably installed on the base, a hydraulic lifting rod is installed on the top of the moving seat, the hydraulic lifting rod drives the mounting seat to rise and fall, a torque sensor and a motor are installed on the top of the mounting seat, and the motor and the torque sensor are connected by a rigid coupling; a first pneumatic three-jaw chuck is installed on one end of the motor of the worm gear box, and an angle sensor is installed between the first pneumatic three-jaw chuck and the torque sensor; a second bearing seat is installed on the base, a second trapezoidal lead screw is installed on the second bearing seat, a brake is installed on the second trapezoidal lead screw, a second pneumatic three-jaw chuck is installed on one end of the worm gear box at the brake, and the second pneumatic three-jaw chuck is connected to the brake through a connecting flange.

[0006] Preferably, the base is installed with a first bearing seat, the first bearing seat is installed with a first trapezoidal screw rod for driving the movable seat to move back and forth, and a second hand wheel is installed at one end of the first trapezoidal screw rod.

[0007] Preferably, a guide assembly is provided between the movable seat and the mounting seat, and the guide assembly consists of a guide rod and a guide cylinder.

[0008] Preferably, a third hand wheel is installed on the top of the second trapezoidal lead screw, and a first hand wheel is installed on one end of the motor.

[0009] Compared with the prior art, the beneficial effects of the utility model are:

[0010] 1. The test bench can be adjusted by turning the second hand wheel to the screw rod or hydraulic lifting. At the same time, the input and output connection parts of the reducer are equipped with a pneumatic three-jaw chuck to quickly clamp and connect the reducer shaft hole to adapt to the no-load torque and clearance detection of worm gear reducers of different specifications. This application occupies a small space, is simple to operate, and has accurate measurement. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0012] Figure 1 It is a structural schematic diagram of the utility model;

[0013] Figure 2 It is a left view of the utility model.

[0014] In the figure: 1. worm gear box; 2. first pneumatic three-jaw chuck; 3. angle sensor; 4. torque sensor; 5. rigid coupling; 6. motor; 7. first hand wheel; 8. guide assembly; 9. hydraulic lifting rod; 10. first trapezoidal lead screw; 11. first bearing seat; 12. second hand wheel; 13. third hand wheel; 14. second bearing seat; 15. second trapezoidal lead screw; 16. brake; 17. connecting flange; 18. second pneumatic three-jaw chuck. DETAILED DESCRIPTION

[0015] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model for which protection is claimed, but merely represents selected embodiments of the utility model.

[0016] See also Figure 1-2In the embodiment of the utility model, a worm gear box torque clearance rapid measurement test bench comprises a base, a worm gear box 1 is slidably mounted on the top of the base, a moving seat is slidably mounted on the base, a hydraulic lifting rod 9 is mounted on the top of the moving seat, and the hydraulic lifting rod 9 drives the mounting seat to rise and fall, a first bearing seat 11 is mounted on the first bearing seat 11, and a first trapezoidal screw rod 10 that drives the moving seat to reciprocate is mounted on the first bearing seat 11, and a second hand wheel 12 is mounted on one end of the first trapezoidal screw rod 10; a guide assembly 8 is arranged between the moving seat and the mounting seat, and the guide assembly 8 consists of a guide rod and a guide The worm gear box 1 is composed of a first pneumatic three-jaw chuck 2 and a second pneumatic three-jaw chuck 2. .... The worm gear box 1 is composed of a first pneumatic three-jaw chuck 2. The worm gear box 1 is composed of a first pneumatic three-jaw ch

[0017] The base is installed with a second bearing seat 14, the second bearing seat 14 is installed with a second trapezoidal screw 15, the second trapezoidal screw 15 is installed with a brake 16, the worm gear box 1 is installed with a second pneumatic three-jaw chuck 18 at one end of the brake 16, and the second pneumatic three-jaw chuck 18 is connected to the brake 16 through a connecting flange 17; a third handwheel 13 is installed on the top of the second trapezoidal screw 15, and a first handwheel 7 is installed at one end of the motor 6.

[0018] The working principle of the utility model is: detection principle: after the reducer is installed, the turbine box is first driven by the motor to run at no load, and the no-load torque of the worm gear box is detected by the torque sensor; after the test is completed, the screw rod is rotated by the third hand wheel to adjust the position of the brake device to lock the output end, and then the first hand wheel is rotated in one direction until it cannot be rotated, and the first hand wheel is rotated in the opposite direction until it cannot be rotated again, and the gap of the worm gear reducer is obtained through the angle sensor.

[0019] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A worm gear box torque clearance rapid measurement test bench, comprising a base, characterized in that: A worm gear box (1) is slidably mounted on the top of the base, a movable seat is slidably mounted on the base, a hydraulic lifting rod (9) is mounted on the top of the movable seat, the hydraulic lifting rod (9) drives the mounting seat to rise and fall, a torque sensor (4) and a motor (6) are mounted on the top of the mounting seat, and the motor (6) and the torque sensor (4) are connected via a rigid coupling (5); a first pneumatic three-jaw chuck (2) is mounted on one end of the worm gear box (1) at the motor (6), and an angle sensor (3) is mounted between the first pneumatic three-jaw chuck (2) and the torque sensor (4); The base is installed with a second bearing seat (14), the second bearing seat (14) is installed with a second trapezoidal screw (15), the second trapezoidal screw (15) is installed with a brake (16), the worm gear box (1) is installed with a second pneumatic three-jaw chuck (18) at one end of the brake (16), and the second pneumatic three-jaw chuck (18) is connected to the brake (16) via a connecting flange (17).

2. A worm gear box (1) torque clearance rapid measurement test bench according to claim 1, characterized in that: The base is installed with a first bearing seat (11), the first bearing seat (11) is installed with a first trapezoidal screw rod (10) for driving the movable seat to reciprocate, and a second hand wheel (12) is installed at one end of the first trapezoidal screw rod (10).

3. A worm gear box (1) torque clearance rapid measurement test bench according to claim 1, characterized in that: A guide assembly (8) is arranged between the movable seat and the mounting seat, and the guide assembly (8) is composed of a guide rod and a guide cylinder.

4. A worm gear box (1) torque clearance rapid measurement test bench according to claim 1, characterized in that: A third hand wheel (13) is mounted on the top of the second trapezoidal lead screw (15), and a first hand wheel (7) is mounted on one end of the motor (6).

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