Dynamometer capable of being used for multidirectional detection

Abstract

The utility model relates to the technical field of physics teaching research appliances, and discloses a dynamometer capable of multidirectional detection, which comprises a bottom plate, two vertical plates fixedly connected to the bottom plate, a rotating rod rotatably connected to the vertical plates, a worm gear fixedly connected to one side of the rotating shaft, a worm engaged with the worm gear, and support plates fixedly connected to two sides of the worm. The rotating rod is fixedly connected with a rotating plate, the rotating plate is fixedly connected with a square frame, the square frame is rotatably connected with a first lead screw, the first lead screw is in threaded connection with a moving bar, the moving bar is fixedly connected with a supporting plate, the supporting plate is provided with a clamping mechanism, the square frame is fixedly connected with a shell, the shell is rotatably connected with a second lead screw, and one end of the shell is fixedly provided with a motor. A moving block is fixedly connected to the second lead screw, a push-pull plate is fixedly connected to the moving block, and a spring dynamometer is connected to the push-pull plate in a hooked mode. The friction force measuring device can detect the friction force in multiple directions, the dynamometer is pulled by the motor at a uniform speed for measurement, and the truss is accurately measured.

Description

Technical Field

[0001] The utility model belongs to the technical field of physics teaching and research tools, in particular to a dynamometer capable of multi-directional detection. Background Art

[0002] In existing research and teaching of physical mechanics, friction is typically measured and demonstrated using specialized force measuring devices for ease of demonstration and measurement. The most common method involves manually pulling a slider connected to a force gauge, causing it to slide across the material. This action then displays the friction force on the force gauge, providing a visual indicator of the force.

[0003] In actual use of the above-mentioned force measuring device for physical mechanics research and teaching, the applicant found that: in existing measurements, personnel directly place the measurement material horizontally for measurement, which makes it impossible to measure the material from multiple angles for teaching and research. At the same time, the existing friction force measurement uses manual pulling, which cannot ensure uniform pulling. Regarding the rigid accuracy of friction force measurement, in order to solve the above-mentioned problems, a force gauge that can be used for multi-directional detection is proposed. Utility Model Content

[0004] The purpose of the present utility model is to provide a force gauge that can be used for multi-directional detection in order to solve the above-mentioned problems.

[0005] Material toggling mechanism, its both sides respectively have a cylinder pressure, and the cylinder pressure bar connects swing arm, and the swing arm end face has hook portion, and a bar passes position between the end of two swing arms and the hook portion.

[0006] In a preferred embodiment, a pointer is fixedly mounted on one end of the rotating rod, and an angle scale is provided on one of the vertical plates.

[0007] In a preferred embodiment, one side of the shift bar is slidably connected to a guide rod, and the guide rod is fixedly installed in the square frame.

[0008] In a preferred embodiment, the clamping mechanism includes a plurality of sockets, a plurality of screws, a plurality of pressure plates and a plurality of locking nuts, the sockets are arranged in an array on the support plate, the screws pass through the sockets, the pressure plates are fixedly mounted on the screws, and the locking nuts are threadedly mounted on the screws.

[0009] In a preferred embodiment, a guide rail is fixedly installed inside the housing, a slider is fixedly installed on the shift block, and the slider is slidably connected to the guide rail.

[0010] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0011] 1. In the present invention, the worm gear and worm can drive the rotating plate to rotate, thereby driving the support plate to rotate the angle, thereby adjusting the angle at which the support plate fan fixes the material to be measured, so that the friction force of the material can be measured in multiple directions.

[0012] 2. In the present invention, personnel drive the support plate on the moving bar to move by rotating the screw rod, so that the measuring friction force can be adjusted for materials of different thicknesses, thereby improving the versatility of the measuring mechanism.

[0013] 3. In the utility model, a motor screw structure is used to pull the object on the spring dynamometer, so that uniform speed measurement can be achieved, and the friction force measurement will be more accurate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the front structure of the present utility model;

[0016] Figure 3 The utility model is a simplified schematic diagram of the three-dimensional structure of the shift bar, the screw rod and the guide rod.

[0017] Markings in the figure: 1-base plate, 2-vertical plate, 3-rotating rod, 4-worm gear, 5-worm, 6-support plate, 7-rotating plate, 8-square frame, 9-screw rod 1, 10-moving bar, 12-support plate, 13-clamping mechanism, 14-housing, 15-screw rod 2, 16-moving block, 17-push-pull plate, 18-spring dynamometer, 19-pointer, 20-angle scale, 21-guide rod, 22-jack, 23-screw, 24-pressure plate, 25-locking nut, 26-guide rail, 27-slider, 28-motor. DETAILED DESCRIPTION

[0018] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Obviously, the embodiments described are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0019] The following will be combined Figure 1-Figure 3 A dynamometer capable of multi-directional detection according to an embodiment of the present utility model is described in detail.

[0020] Example:

[0021] The embodiment of the utility model provides a dynamometer capable of multi-directional detection, referring to Figures 1 to 3 As shown, it includes a base plate 1, two vertical plates 2 are fixedly connected to the base plate 1, and a rotating rod 3 is rotatably connected to the vertical plate 2. A worm gear 4 is fixedly connected to one side of the rotating rod 3, a worm 5 is meshed with the worm gear 4, and support plates 6 are fixedly connected to both sides of the worm 5. The support plate 6 is fixedly installed on the base plate 1, and the rotating rod 3 is fixedly connected to a rotating plate 7. The rotating plate 7 is fixedly connected to a square frame 8. The square frame 8 is rotatably connected to a screw rod 9, and a moving strip 10 is threadedly connected to the screw rod 9. The moving strip 10 is fixedly connected to a supporting plate 12, and a clamping mechanism 13 is provided on the supporting plate 12. The square frame 8 is fixedly connected to a shell 14, and a screw rod 2 15 is rotatably connected to the shell 14. A motor 28 is fixedly installed at one end of the shell 14, and the motor 28 is connected to the screw rod 2 15 through an output shaft. A moving block 16 is fixedly connected to the screw rod 2 15, and a push-pull plate 17 is fixedly connected to the moving block 16. The spring dynamometer 18, this structure personnel first rotates the worm 5 to drive the worm wheel 4 to rotate, and the worm 4 will drive the rotating plate 7 on the rotating rod 3 to rotate, thereby adjusting the support plate 12 on the square frame 8 to the angle to be measured, and using the self-locking characteristics of the worm wheel 4 and the worm 5 to lock the angle of the rotating plate 7, and then fix the material to be measured on the support plate 12 through the clamping mechanism 13, and hook the object with the spring dynamometer 18, and place the object on the material to be measured, and then the personnel rotate the screw rod 9 to drive the support plate 12 to move until the spring dynamometer 18 is parallel to the material to be measured, and then zero the spring dynamometer 1, and then start the motor 28 to drive the screw rod 2 15 to rotate at a uniform speed, and the screw rod 2 15 will drive the moving block 16 to move, thereby driving the push-pull plate 17 to pull the paralyzed dynamometer 18 at a uniform speed, so that the object slides evenly on the material to be measured. At this time, the value on the spring dynamometer 18 is the accurate friction value;

[0022] When measuring friction force, the above structure can adjust the angle of the object to be measured according to needs, so that friction force measurement teaching and research can be carried out from multiple angles. In addition, the above structure can detect materials of different thicknesses and has good adaptability. At the same time, the structure uses a motor screw structure to pull the object on the spring dynamometer 18, so that it can be measured at a uniform speed, and the measurement will be more accurate.

[0023] refer to Figures 1 to 3 As shown, a pointer 19 is fixedly mounted on one end of the rotating rod 3, and an angle scale 20 is provided on one of the vertical plates 2. This structure utilizes the pointer 19 and the angle scale 20 so that personnel can accurately adjust the rotation angle of the rotating plate 7.

[0024] refer to Figures 1 to 3 As shown, one side of the shift bar 10 is slidably connected to a guide rod 21 , which is fixedly installed in the square frame 8 . In this structure, the guide rod 21 is used to guide the movement of the shift bar 10 .

[0025] refer to Figures 1 to 3 As shown, the clamping mechanism 13 includes a plurality of sockets 22, a plurality of screws 23, a plurality of pressure plates 24 and a plurality of locking nuts 25. The sockets 22 are arranged in an array on the support plate 12, the screws 23 pass through the sockets 22, the pressure plates 24 are fixedly mounted on the screws 23, and the locking nuts 25 are threadedly mounted on the screws 23. In this structure, according to the material size, the personnel inserts the screws 23 into the sockets 22 at the corresponding positions of the support plate 12, and then screws the locking nuts 25 onto the screws 23 until the pressure plates 24 can press and fix the material to be tested.

[0026] refer to Figures 1 to 3 As shown, a guide rail 26 is fixedly installed inside the housing 14, and a slider 27 is fixedly installed on the shift block 16. The slider 27 is slidably connected to the guide rail 26. In this structure, the guide rail 26 and the slider 27 guide the movement of the shift block 16.

[0027] It should be noted that the force measuring device in the above embodiment is used for teaching and research on physical friction.

[0028] The implementation principle of a dynamometer that can be used for multi-directional detection in the embodiment of the present application is as follows: when in use, the personnel first rotates the worm 5 to drive the worm wheel 4 to rotate, and the worm 4 will drive the rotating plate 7 on the rotating rod 3 to rotate, thereby adjusting the support plate 12 on the square frame 8 to the angle to be measured, and using the self-locking characteristics of the worm wheel 4 and the worm 5 to lock the angle of the rotating plate 7, and then place the material to be measured on the support plate 12, and then according to the size of the material, the personnel inserts the screw 23 into the socket 22 at the corresponding position of the support plate 12, and then the personnel screws the locking nut 25 onto the screw 23 until the pressure plate is pressed. 24 can press and fix the material to be measured, then hook the object with the spring dynamometer 18, and place the object on the material to be measured. Then the person rotates the screw 9 to drive the support plate 12 to move until the spring dynamometer 18 is parallel to the material to be measured, and then calibrates the spring dynamometer 1 to zero. Then the motor 28 can be started to drive the screw 2 15 to rotate at a uniform speed. The screw 2 15 will drive the moving block 16 to move, thereby driving the push-pull plate 17 to pull the paralyzed dynamometer 18 at a uniform speed, so that the object slides evenly on the material to be measured. At this time, the value on the spring dynamometer 18 is the accurate friction value.

[0029] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments can still be modified, or some of the technical features thereof can be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A dynamometer capable of multi-directional detection, comprising a base plate (1), characterized in that: Two vertical plates (2) are fixedly connected to the bottom plate (1), a rotating rod (3) is rotatably connected to the vertical plate (2), a worm wheel (4) is fixedly connected to one side of the rotating rod (3), a worm (5) is meshed with the worm wheel (4), and support plates (6) are fixedly connected to both sides of the worm (5), and the support plates (6) are fixedly installed on the bottom plate (1), a rotating plate (7) is fixedly connected to the rotating rod (3), a square frame (8) is fixedly connected to the rotating plate (7), a screw rod (9) is rotatably connected to the square frame (8), and a shift bar (10) is threadedly connected to the screw rod (9). The shift bar (10) is fixedly connected to a support plate (12), and a clamping mechanism (13) is provided on the support plate (12). The square frame (8) is fixedly connected to a housing (14), and a second screw rod (15) is rotatably connected to the housing (14). One end of the housing (14) is fixedly mounted with a motor (28), and the motor (28) is connected to the second screw rod (15) through an output shaft. A shift block (16) is fixedly connected to the shift block (16), and a push-pull plate (17) is fixedly connected to the push-pull plate (17). A spring dynamometer (18) is hooked on the push-pull plate (17).

2. A dynamometer capable of multi-directional detection as claimed in claim 1, characterized in that: A pointer (19) is fixedly mounted on one end of the rotating rod (3), and an angle scale (20) is provided on one of the vertical plates (2).

3. The dynamometer capable of multi-directional detection according to claim 1, characterized in that: One side of the shift bar (10) is slidably connected to a guide rod (21), and the guide rod (21) is fixedly installed in the square frame (8).

4. The dynamometer capable of multi-directional detection according to claim 1, characterized in that: The clamping mechanism (13) comprises a plurality of jacks (22), a plurality of screw rods (23), a plurality of pressure plates (24) and a plurality of locking nuts (25); the jacks (22) are arranged in an array on the support plate (12); the screw rods (23) pass through the jacks (22); the pressure plates (24) are fixedly mounted on the screw rods (23); and the locking nuts (25) are threadedly mounted on the screw rods (23).

5. The dynamometer capable of multi-directional detection as claimed in claim 1, characterized in that: A guide rail (26) is fixedly installed inside the housing (14), a slider (27) is fixedly installed on the shift block (16), and the slider (27) is slidably connected to the guide rail (26).

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