Impact resistance testing device for low-frequency speed sensor

Abstract

The utility model discloses an impact resistance testing device for a low frequency speed sensor, which relates to the technical field of sensor testing and comprises four universal wheels, the tops of the four universal wheels are fixedly connected with an installation assembly, and the left side of the bottom of the inner wall of the installation assembly is fixedly connected with a power assembly. A clamping assembly is fixedly installed at the position, close to the back, of the bottom of the inner wall of the installation assembly, the installation assembly comprises an installation frame, and the four corners of the bottom of the installation frame are fixedly connected with the tops of four universal wheels. According to the impact resistance testing device for the low-frequency speed sensor, the motor provides power to drive the driving shaft and the driving rod to rotate, the controller controls and adjusts the rotation angle of the motor and drives the lifting angle of the first threaded shaft to test the impact, and when the driving rod is driven to rotate, the impact resistance of the low-frequency speed sensor is tested. The surface of the angle indication diagram can be indicated through rotation of the indication rod fixedly connected to the rear portion of the driving rod, the effect of visually observing the lifting angle of the impact hammer is achieved, and the impact magnitude is prompted.

Description

Technical Field

[0001] The utility model relates to the technical field of sensor testing, in particular to an impact resistance testing device for a low-frequency speed sensor. Background Art

[0002] Low-frequency velocity sensor is a kind of sensor. When it is produced and processed, an impact resistance testing device is needed to test the impact resistance of the sensor. Low-frequency velocity sensor is often composed of mass block, damper, elastic element, sensitive element and adaptive circuit. During the acceleration process, the sensor measures the inertial force exerted on the mass block and uses Newton's second law to obtain the acceleration value according to the different sensitive elements of the sensor.

[0003] For example, the Chinese patent with publication number CN217819283U discloses an impact resistance test device for an acceleration sensor, which relates to the field of acceleration sensor testing technology. In order to solve the problem that the existing impact resistance test device cannot accurately know the number of impact resistances of an object and in which impact resistances it is damaged, the user needs to observe on the side, which is time-consuming and labor-intensive. Support frames are provided on both sides of the impact resistance test mechanism, a storage rack is provided at the middle position of the impact resistance test mechanism, and a storage board is provided at the middle position of the storage rack; it also includes: a detection frame, which is installed above the storage rack, a high-definition camera is provided on the lower surface of the detection frame, a control mechanism is provided inside the detection frame, a memory is provided on one side of the control mechanism, and the output end of the high-definition camera is electrically connected to the input end of the memory through the control mechanism; a grating sensor, which is installed on both sides of the storage board, and a timing counter is provided below the grating sensor.

[0004] The existing technology has the following problems:

[0005] However, it does not solve the problem that the low-frequency speed sensor impact resistance test device lacks adjustable impact size testing and visualization to facilitate understanding of the impact size during use. At the same time, it does not solve the problem that the low-frequency speed sensor has different sizes and lacks adjustable size clamping, thus failing the impact resistance test. Utility Model Content

[0006] The utility model provides a low-frequency speed sensor impact resistance testing device to solve the problems raised in the above background technology.

[0007] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0008] A low-frequency speed sensor impact resistance testing device comprises four universal wheels, the tops of the four universal wheels are fixedly connected with mounting components, the left side of the bottom inner wall of the mounting component is fixedly connected with a power component, and the bottom inner wall of the mounting component is fixedly installed near the rear with a clamping component.

[0009] Preferably: the mounting assembly includes a mounting frame, the bottom four corners of the mounting frame are fixedly connected to the tops of four universal wheels, a mounting groove is provided on the right side of the bottom inner wall of the mounting frame near the back, and an angle indicator is fixedly connected to the left side of the back inner wall of the mounting frame.

[0010] Preferably, a controller is fixedly connected to the left side of the bottom of the inner wall of the mounting frame near the front, a display screen is fixedly installed on the left side of the front of the controller, and an adjustment button is movably installed on the right side of the front of the controller.

[0011] Preferably: the power assembly includes a motor, the bottom of the motor is fixedly connected to the left side of the bottom inner wall of the mounting frame, the output end of the motor is fixedly connected to a driving shaft and the back of the driving shaft is located at the center of the angle indication diagram, and the back of the driving shaft is rotatably connected to the left side of the back inner wall of the mounting frame.

[0012] Preferably, a driving rod is fixedly connected to the outer surface of the driving shaft, an indicator rod is fixedly connected to the rear of the driving rod and is located on the right side of the driving shaft, and the rear of the indicator rod overlaps with the outer surface of the angle indicator diagram.

[0013] Preferably, a threaded hole is provided on the right side of the driving rod, a threaded shaft 1 is threadedly connected to the inner wall of the threaded hole, and an impact hammer is fixedly connected to the right side of the threaded shaft 1.

[0014] Preferably, the clamping assembly comprises a placement table, the outer surface of the lower part of the placement table is fixedly mounted to the inner wall of the mounting groove, and the top of the placement table is provided with a placement groove.

[0015] Preferably: the inner walls on the left and right sides of the upper part of the placement table are threadedly connected with two threaded shafts 2, the two threaded shafts 2 are fixedly connected with a hand button handle on the side away from each other, the opposite surfaces of the two threaded shafts 2 are rotatably connected with arc-shaped clamps, and the bottoms of the two arc-shaped clamps are slidably connected to the bottom of the placement groove.

[0016] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0017] 1. The utility model provides an impact resistance test device for a low-frequency speed sensor, which drives the rotation of a driving shaft and a driving rod through a motor to provide power, and uses a controller to control and adjust the rotation angle of the motor to drive the lifting angle of a threaded shaft to test the impact size. When the driving rod is driven to rotate, the surface of the rotation indication angle indication diagram of an indicator rod fixedly connected to the back of the driving rod can be used to realize the visual observation of the lifting angle of the impact hammer and indicate the impact size.

[0018] 2. The utility model provides an impact resistance test device for a low-frequency speed sensor. By placing two threaded shafts 2 connected by threads on the inner walls of the left and right sides of the upper part of the table, the threaded shafts 2 are driven to rotate manually by the hand knobs on the left and right sides, thereby pushing the arc-shaped clamping plates that are rotatably connected to the opposite surfaces of the two threaded shafts 2 to move closer to or farther from the inner wall of the placement groove, thereby improving the clamping test effect on low-frequency speed sensors of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the installation assembly structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the power assembly structure of the utility model;

[0022] Figure 4 For the utility model Figure 3 A is an enlarged structural diagram;

[0023] Figure 5 This is a schematic diagram of the structure of the clamping assembly of the utility model.

[0024] In the figure: 1. Installation assembly; 11. Installation frame; 12. Controller; 13. Display screen; 14. Adjustment button; 15. Installation slot; 16. Angle indication diagram; 2. Universal wheel; 3. Power assembly; 31. Motor; 32. Drive shaft; 33. Drive rod; 34. Indicator rod; 35. Threaded hole; 36. Threaded shaft one; 37. Impact hammer; 4. Clamping assembly; 41. Placement table; 42. Placement slot; 43. Threaded shaft two; 44. Hand button handle; 45. Arc splint. DETAILED DESCRIPTION

[0025] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0026] like Figure 1As shown, a low-frequency speed sensor impact resistance testing device includes four universal wheels 2, the tops of the four universal wheels 2 are fixedly connected with a mounting assembly 1, the left side of the bottom inner wall of the mounting assembly 1 is fixedly connected with a power assembly 3, and the bottom inner wall of the mounting assembly 1 is fixedly installed near the back with a clamping assembly 4.

[0027] The installation assembly 1 assists the four universal wheels 2, the power assembly 3 and the clamping assembly 4 to be stably installed at the predetermined positions.

[0028] like Figure 2 , Figure 3 As shown, the mounting assembly 1 includes a mounting frame 11, the four bottom corners of the mounting frame 11 are fixedly connected to the tops of the four universal wheels 2, a mounting groove 15 is provided on the right side of the bottom inner wall of the mounting frame 11 near the back, an angle indication diagram 16 is fixedly connected to the left side of the back inner wall of the mounting frame 11, a controller 12 is fixedly connected to the left side of the bottom inner wall of the mounting frame 11 near the front, a display screen 13 is fixedly installed on the left side of the front of the controller 12, and an adjustment button 14 is movably installed on the right side of the front of the controller 12, a power assembly 3 includes a motor 31, the bottom of the motor 31 is fixedly connected to the left side of the bottom inner wall of the mounting frame 11, the output end of the motor 31 is fixedly connected to a driving shaft 32 and the back of the driving shaft 32 is located at the center of the angle indication diagram 16, and the back of the driving shaft 32 is rotatably connected to the left side of the back inner wall of the mounting frame 11.

[0029] The test device is controlled by utilizing the controller 12, and the adjusting button 14 movably installed on the right side of the front face of the controller 12 is used to adjust the controller 12, and the display screen 13 fixedly installed on the left side of the front face of the controller 12 is used for display control, which is convenient for the staff to use, and the installation groove 15 opened on the right side of the bottom inner wall of the mounting frame 11 near the back is used to assist in the installation of the clamping assembly 4.

[0030] like Figure 4 , Figure 5 The outer surface of the driving shaft 32 shown is fixedly connected to a driving rod 33, the rear of the driving rod 33 is fixedly connected to an indicating rod 34 and the indicating rod 34 is located on the right side of the driving shaft 32, the rear of the indicating rod 34 overlaps with the outer surface of the angle indicating diagram 16, a threaded hole 35 is provided on the right side of the driving rod 33, a threaded shaft 36 is threadedly connected to the inner wall of the threaded hole 35, an impact hammer 37 is fixedly connected to the right side of the threaded shaft 36, the clamping assembly 4 includes a placing table 41, the outer surface of the lower part of the placing table 41 is fixedly installed with the inner wall of the mounting groove 15, and a placing groove 42 is provided on the top of the placing table 41.

[0031] The motor 31 provides power to drive the rotation of the driving shaft 32 and the driving rod 33, and the controller 12 is used to control and adjust the rotation angle of the motor 31 to drive the lifting angle of the threaded shaft 36 to test the impact size. When the driving rod 33 is driven to rotate, the rotation indication angle of the indicator rod 34 fixedly connected to the back of the driving rod 33 can be used to indicate the surface of Figure 16, so as to realize the role of visually observing the lifting angle of the impact hammer 37 and indicate the impact size.

[0032] like Figure 5 As shown, two threaded shafts 43 are threadedly connected to the inner walls on the left and right sides of the upper part of the placement table 41, and a hand button handle 44 is fixedly connected to the side away from the two threaded shafts 43. The opposite surfaces of the two threaded shafts 43 are rotatably connected to arc-shaped clamping plates 45, and the bottoms of the two arc-shaped clamping plates 45 are slidably connected to the bottom of the placement groove 42.

[0033] By utilizing the installation groove 15 opened on the right side of the bottom inner wall of the mounting frame 11 near the rear, the installation of the auxiliary placement table 41 is performed, and then the placement groove 42 opened on the top of the placement table 41 is used to place the low-frequency speed sensor, and then the two threaded shafts 43 connected by threads on the left and right inner walls of the upper part of the placement table 41 are connected, so that the left and right hand button handles 44 are used to manually rotate the threaded shaft 43 to drive the rotation of the threaded shaft 43, thereby pushing the arc clamping plates 45 that are rotatably connected to the opposite surfaces of the two threaded shafts 43 to move closer to or away from the inner wall of the placement groove 42, thereby improving the clamping test effect of low-frequency speed sensors of different sizes.

[0034] The working principle of the utility model is as follows: the test device is controlled by the controller 12, and the adjustment button 14 movably installed on the right side of the front of the controller 12 is used to adjust the controller 12, and the display screen 13 fixedly installed on the left side of the front of the controller 12 is used for display control, which is convenient for the use of the staff, and then the motor 31 provides power to drive the rotation of the driving shaft 32 and the driving rod 33, and the controller 12 is used to control the rotation angle of the motor 31 to drive the lifting angle of the threaded shaft 36 to test the impact size, and when the driving rod 33 is driven to rotate, the rotation indication angle of the indicator rod 34 fixedly connected to the back of the driving rod 33 can be used to indicate the surface of the figure 16, so as to realize visual The effect of observing the lifting angle of the impact hammer 37 is observed to indicate the impact size. The installation groove 15 opened on the right side of the bottom inner wall of the mounting frame 11 near the back is used to assist the installation of the placement table 41, and then the placement groove 42 opened on the top of the placement table 41 is used to place the low-frequency speed sensor, and then the two threaded shafts 43 connected by threads on the left and right inner walls of the upper part of the placement table 41 are made to rotate manually by using the left and right hand button handles 44 to drive the rotation of the threaded shaft 43, thereby pushing the arc clamping plates 45 that are rotatably connected to the opposite surfaces of the two threaded shafts 43 to move closer or farther from the inner wall of the placement groove 42, thereby improving the clamping test effect of low-frequency speed sensors of different sizes.

[0035] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A low-frequency speed sensor impact resistance test device, comprising four universal wheels (2), characterized in that: The tops of the four universal wheels (2) are fixedly connected with a mounting assembly (1), the left side of the bottom inner wall of the mounting assembly (1) is fixedly connected with a power assembly (3), the bottom inner wall of the mounting assembly (1) is fixedly installed with a clamping assembly (4) near the rear, the mounting assembly (1) comprises a mounting frame (11), the bottom four corners of the mounting frame (11) are fixedly connected with the tops of the four universal wheels (2), the right side of the bottom inner wall of the mounting frame (11) is provided with a mounting groove (15) near the rear, the left side of the rear inner wall of the mounting frame (11) is fixedly connected with an angle indication diagram (16), the left side of the bottom inner wall of the mounting frame (11) is fixedly connected with a controller (12) near the front, the left side of the front of the controller (12) is fixedly installed with a display screen (13), the right side of the front of the controller (12) is movably installed with an adjustment button (14), the power assembly (3) comprises a motor (31), the bottom of the motor (31) is fixedly connected to the left side of the bottom inner wall of the mounting frame (11), the output end of the motor (31) is fixedly connected to a driving shaft (32) and the rear of the driving shaft (32) is located at the center of the angle indication diagram (16), the rear of the driving shaft (32) is rotatably connected to the left side of the rear inner wall of the mounting frame (11), the outer surface of the driving shaft (32) is fixedly connected to a driving rod (33), the rear of the driving rod (33) is fixedly connected to an indication rod (34) and the indication rod (34) is located on the right side of the driving shaft (32), the rear of the indication rod (34) overlaps the outer surface of the angle indication diagram (16), a threaded hole (35) is opened on the right side of the driving rod (33), the inner wall of the threaded hole (35) is threadedly connected to a threaded shaft 1 (36), and the right side of the threaded shaft 1 (36) is fixedly connected to an impact hammer (37).

2. The impact resistance testing device for a low-frequency speed sensor according to claim 1, characterized in that: The clamping assembly (4) comprises a placement table (41), the outer surface of the lower part of the placement table (41) is fixedly mounted to the inner wall of the mounting groove (15), and a placement groove (42) is provided on the top of the placement table (41).

3. The low-frequency velocity sensor impact resistance testing device according to claim 2, characterized in that: The inner walls on the left and right sides of the upper part of the placement platform (41) are threadedly connected to two threaded shafts (43); the two threaded shafts (43) are fixedly connected to the sides away from each other with a hand button handle (44); the opposite surfaces of the two threaded shafts (43) are rotatably connected to arc-shaped clamping plates (45); the bottoms of the two arc-shaped clamping plates (45) are slidably connected to the bottom of the placement groove (42).

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