Testing device for detecting hardness of automobile transmission shaft

Abstract

The utility model discloses a test device for detecting the hardness of an automobile transmission shaft, which relates to the technical field of automobile transmission shafts and comprises a bottom plate, a rotating unit, a fixing unit and a detecting unit, a rotating unit and a detecting unit are mounted at the upper end of the bottom plate; the rotating unit comprises limiting frames, sliding blocks, a hydraulic machine, a first motor and a first mounting plate, the two limiting frames are fixedly connected to the two sides of the upper end of the bottom plate, the sliding blocks are slidably connected to the inner sides of the limiting frames, the hydraulic machine is fixedly connected to the right side of the upper end of the bottom plate, and the sliding blocks are fixedly connected to the upper end of the hydraulic machine. And each sliding block is rotationally connected with a mounting plate I, and the right end of the sliding block on the right side is fixedly connected with a motor I. The test device for hardness detection of the automobile transmission shaft can automatically rotate in the detection process, so that the transmission shaft can be detected at multiple angles, and meanwhile, manual angle adjustment is not needed; efficiency is improved, and meanwhile misoperation on the device is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile transmission shafts, in particular to a testing device for detecting the hardness of automobile transmission shafts. Background Art

[0002] After the automobile drive shaft is processed, it is necessary to sample and test the hardness of the automobile drive shaft to reflect the quality of the automobile drive shaft. The car is not only our advanced means of transportation, but also provides a hard shell to protect us. Therefore, the strict requirements for automobile manufacturing are made, so that every automobile manufacturing process is constantly improved.

[0003] Among them, the prior art authorization announcement number CN217466550U proposes a test device for detecting the hardness of an automobile transmission shaft, comprising a workbench and a hole, wherein the hole is provided through the workbench, and further comprising: a detection mechanism, wherein the detection mechanism is fixed to the workbench, the detection mechanism comprises a fixing frame, a cylinder, an extrusion rod and two limit mechanisms, wherein the fixing frame is fixed to the workbench, the cylinder is fixed to the fixing frame, the extrusion rod is fixed to the push rod of the cylinder, the two limit mechanisms are respectively provided on both sides of the fixing frame, and the limit mechanism is slidably provided on the workbench;

[0004] In the existing technology, manual rotation is required during the detection process to detect the drive shaft at multiple angles. At the same time, manual angle adjustment slows down the efficiency and may cause misoperation of the device. Therefore, we propose a test device for automobile drive shaft hardness detection. Utility Model Content

[0005] The technical problem to be solved by the utility model is to overcome the existing defects and provide a test device for detecting the hardness of an automobile transmission shaft. During the detection process, the test device can automatically rotate and detect the transmission shaft at multiple angles. At the same time, there is no need for manual angle adjustment, which improves efficiency and prevents misoperation of the device, and can effectively solve the problems in the background technology.

[0006] To achieve the above-mentioned object, the present utility model provides the following technical solutions: a test device for detecting the hardness of an automobile transmission shaft, comprising a base plate, a rotating unit, a fixing unit and a detecting unit;

[0007] Bottom plate: The upper end is equipped with a rotating unit and a detection unit;

[0008] Rotation unit: includes a limit frame, a sliding block, a hydraulic press, a motor 1 and a mounting plate 1, two limit frames are fixedly connected to both sides of the upper end of the base plate, the inner sides of the limit frames are slidably connected to the sliding blocks, the right side of the upper end of the base plate is fixedly connected to the hydraulic press, the upper end of the hydraulic press is fixedly connected to the sliding blocks, each sliding block is rotatably connected to the mounting plate 1, the right end of the right sliding block is fixedly connected to the motor 1, and the output shaft of the motor 1 is fixedly connected to the mounting plate 1;

[0009] Fixed unit: installed on the rotating unit.

[0010] The limit frame is used to limit the up and down movement of the device, the hydraulic press is used to provide power for the movement of the device, and the motor is used to rotate the vehicle drive shaft to be inspected, so that the parts can be inspected at multiple angles.

[0011] Furthermore, the rotation unit further includes an electric telescopic rod, a telescopic rod, and a second mounting plate. Two telescopic rods are fixedly connected to the front and rear ends of each mounting plate. One end of the electric telescopic rod is fixedly connected to the middle portion of the inner side of the mounting plate. The electric telescopic rod and the ends of the telescopic rod are fixedly connected to the second mounting plate. The electric telescopic rod pushes the second mounting plate to move, the telescopic rod supports the second mounting plate, and the second mounting plate is used to install and limit the fixed components of the device.

[0012] Furthermore, the fixing unit includes a rotating column, a nut, a fixing ring, and a fixing bolt. The front and rear ends of the second mounting plate are rotatably connected to the rotating column. One end of the rotating column is threaded, and the rotating column is threadedly connected to the nut. The other end of each rotating column is fixedly connected to a fixing ring. Each fixing ring has threaded holes at both ends, and the two ends of the fixing ring are threadedly connected to the fixing bolt. The fixing ring fixes the vehicle's rotating shaft, and the fixing bolt fixes it, thereby achieving the purpose of fixing the vehicle's rotating shaft and facilitating the detection of the vehicle's drive shaft.

[0013] Furthermore, the detection unit includes a support frame, a limit frame, a rack, a limit sliding block, and a hammer. The support frame is fixedly connected to the middle of the rear end of the base plate. Two limit frames are fixedly connected to the front end of the upper side of the support frame. A limit sliding block is slidably connected to the inner side of each limit frame. Racks are fixedly connected to the left and right sides of the upper end of the rack, and a hammer is fixedly connected to the lower end of the rack. The hammer is raised to a certain height by a power device and dropped to test the quality of the parts. The falling trajectory is limited by the limit frame and the limit sliding block, thereby completing the inspection of the automotive parts.

[0014] Furthermore, the detection unit further includes a rotating shaft, a half gear, and a second motor. The rotating shaft is rotatably connected to the middle portion of the upper end of the support frame. The outer side of the rotating shaft is fixedly connected to a half gear, which meshes with a rack. The left end of the support frame is fixedly connected to the second motor, and the output shaft of the second motor is fixedly connected to one end of the rotating shaft. The second motor drives the half gear to rotate, and the engagement of the half gear and the rack raises the hammer to a certain height, after which it drops and strikes the transmission shaft to be tested, thereby achieving the purpose of detection.

[0015] Furthermore, the device further comprises a base, wherein the upper end of the bottom plate is fixedly connected to the base, and the upper end of the base corresponds to the lower end of the hammer, so as to prevent damage to the bottom of the device during detection.

[0016] Compared with the prior art, the beneficial effects of the present invention are: the test device for detecting the hardness of the automobile transmission shaft has the following advantages:

[0017] 1. This test device for testing the hardness of automobile drive shafts rotates the automobile drive shaft to be tested through a pair of motors. It can automatically rotate during the testing process, thereby being able to test the drive shaft at multiple angles.

[0018] 2. This test device for automobile drive shaft hardness testing automatically flips the automobile drive shaft through the machine, which speeds up the testing efficiency. At the same time, when there is no need for manual angle adjustment, the efficiency is improved while reducing manual misoperation of the device. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0020] Figure 2 For this utility model Figure 1 A schematic diagram of the partially enlarged structure at center A;

[0021] Figure 3 It is a schematic diagram of the rear structure of the utility model.

[0022] In the figure: 1 bottom plate, 2 base, 3 rotating unit, 31 limit frame, 32 sliding block, 33 hydraulic press, 34 motor 1, 35 mounting plate 1, 36 electric telescopic rod, 37 telescopic rod, 38 mounting plate 2, 4 fixing unit, 41 rotating column, 42 nut, 43 fixing ring, 44 fixing bolt, 5 detection unit, 51 support frame, 52 rotating shaft, 53 half gear, 54 motor 2, 55 limit frame, 56 rack, 57 limit sliding block, 58 knocking hammer. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only 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 are within the scope of protection of the present invention.

[0024] See also Figure 1-3 , this embodiment provides a technical solution for a test device for detecting the hardness of an automobile transmission shaft: a test device for detecting the hardness of an automobile transmission shaft, comprising a base plate 1, a rotating unit 3, a fixing unit 4 and a detecting unit 5;

[0025] Bottom plate 1: The upper end is equipped with a rotating unit 3 and a detection unit 5;

[0026] Rotating unit 3: includes a limit frame 31, a sliding block 32, a hydraulic press 33, a motor 34 and a mounting plate 35. Two limit frames 31 are fixedly connected to both sides of the upper end of the base plate 1. The inner sides of the limit frames 31 are slidably connected to the sliding blocks 32. The right side of the upper end of the base plate 1 is fixedly connected to the hydraulic press 33. The upper end of the hydraulic press 33 is fixedly connected to the sliding block 32. Each sliding block 32 is rotatably connected to the mounting plate 35. The right end of the right sliding block 32 is fixedly connected to the motor 34. The output shaft of the motor 34 is fixedly connected to the mounting plate 35.

[0027] Fixed unit 4: installed on the rotating unit 3.

[0028] The limit frame 31 is used to limit the up and down movement of the device, the hydraulic press 33 provides power for the movement of the device, and the motor 34 is used to rotate the automobile transmission shaft to be inspected, so that the parts can be inspected at multiple angles.

[0029] The rotating unit 3 also includes an electric telescopic rod 36, a telescopic rod 37, and a second mounting plate 38. Two telescopic rods 37 are fixedly connected to the front and rear ends of each mounting plate 1 35. One end of the electric telescopic rod 36 is fixedly connected to the middle of the inner side of the mounting plate 1 35. The ends of the electric telescopic rod 36 and telescopic rod 37 are fixedly connected to the second mounting plate 38. The electric telescopic rod 36 pushes the second mounting plate 38 to move, the telescopic rod 37 supports the second mounting plate 38, and the second mounting plate 38 is used to install and limit the fixed components of the device.

[0030] The fixing unit 4 includes a rotating column 41, a nut 42, a fixing ring 43, and a fixing bolt 44. The front and rear ends of the mounting plate 2 38 are rotatably connected to the rotating column 41. One end of the rotating column 41 is threaded and threadedly connected to the nut 42. The other end of each rotating column 41 is fixedly connected to a fixing ring 43. Each fixing ring 43 has a threaded hole at both ends, and the two ends of the fixing ring 43 are threadedly connected to the fixing bolt 44. The fixing ring 43 fixes the vehicle's rotating shaft, and the fixing bolt 44 fixes it, thereby achieving the purpose of fixing the vehicle's rotating shaft, facilitating the detection of the vehicle's drive shaft.

[0031] The inspection unit 5 includes a support frame 51, a limit frame 55, a rack 56, a limit slide 57, and a hammer 58. The support frame 51 is fixedly connected to the middle of the rear end of the base plate 1. Two limit frames 55 are fixedly connected to the upper front end of the support frame 51. A limit slide 57 is slidably connected to the inner side of each limit frame 55. Racks 56 are fixedly connected to the left and right sides of the upper end of the rack 56, and a hammer 58 is fixedly connected to the lower end of the rack 56. The hammer 58 is raised to a certain height by a power device and dropped to detect the quality of the part. The falling trajectory is limited by the limit frame 55 and the limit slide 57, thereby completing the inspection of the automobile parts.

[0032] The detection unit 5 also includes a rotating shaft 52, a half gear 53 and a second motor 54. The middle part of the upper end of the support frame 51 is rotatably connected to the rotating shaft 52. The outer side of the rotating shaft 52 is fixedly connected to the half gear 53. The half gear 53 is meshed with a rack 56. The left end of the support frame 51 is fixedly connected to the second motor 54. The output shaft of the second motor 54 is fixedly connected to one end of the rotating shaft 52. Half of the half gear 53 has teeth and half does not have teeth. The half gear 53 is driven to rotate by the second motor 54. The engagement of the toothed half of the half gear 53 with the rack 56 raises the knock hammer 58 to a certain height. When the half gear 53 rotates to the toothless half, the half gear 53 separates from the rack 56. The rack 56 drives the knock hammer 58 to fall and knock on the transmission shaft to be detected, thereby achieving the purpose of detection.

[0033] The device also includes a base 2, the upper end of the bottom plate 1 is fixedly connected to the base 2, and the upper end of the base 2 corresponds to the lower end of the hammer 58. The base 2 prevents damage to the bottom of the device during detection.

[0034] The working principle of the test device for testing the hardness of an automobile transmission shaft provided by the present invention is as follows: the device is limited in its up and down movement by a limit frame 31, the device is powered by a hydraulic press 33, and the automobile transmission shaft to be tested is rotated by a motor 1 34, thereby enabling testing of parts at multiple angles. The electric telescopic rod 36 pushes the mounting plate 2 38 to move, the telescopic rod 37 supports the mounting plate 2 38, and the mounting plate 2 38 is installed and limited by the mounting plate 2 38. The automobile rotating shaft is fixed by a fixing ring 43 and fixed by a fixing bolt 44, thereby achieving the purpose of fixing the automobile rotating shaft and facilitating the testing of the automobile transmission shaft. The power device raises the hammer 58 to a certain height, and the quality of the parts is tested by dropping it. The falling trajectory is limited by the limit frame 55 and the limiting sliding block 57, thereby completing the testing of automobile parts. Motor 2 54 drives half gear 53 to rotate. The toothed half of half gear 53 meshes with rack 56, raising hammer 58 to a certain height. When half gear 53 rotates to the toothless half, half gear 53 separates from rack 56, and rack 56 drives hammer 58 to fall and strike the transmission shaft to be tested, thereby achieving the purpose of testing. The base 2 prevents damage to the bottom of the device during testing.

[0035] It is worth noting that the input ends of motor 1 34 and motor 2 54 disclosed in the above embodiments are electrically connected to the output end of the external power supply through an external PLC controller. Motor 1 34 and motor 2 54 both adopt servo motors, and the external PLC controller controls the operation of motor 1 34 and motor 2 54 using methods commonly used in the prior art.

[0036] The above are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A test device for detecting the hardness of an automobile transmission shaft, characterized in that: It comprises a base plate (1), a rotating unit (3), a fixing unit (4) and a detection unit (5); Bottom plate (1): a rotating unit (3) and a detection unit (5) are installed on the upper end; The rotating unit (3) comprises a limit frame (31), a sliding block (32), a hydraulic press (33), a motor (34) and a mounting plate (35). Two limit frames (31) are fixedly connected to both sides of the upper end of the base plate (1). The inner side of the limit frame (31) is slidably connected to the sliding block (32). The right side of the upper end of the base plate (1) is fixedly connected to the hydraulic press (33). The upper end of the hydraulic press (33) is fixedly connected to the sliding block (32). Each sliding block (32) is rotatably connected to the mounting plate (35). The right end of the right sliding block (32) is fixedly connected to the motor (34). The output shaft of the motor (34) is fixedly connected to the mounting plate (35). Fixed unit (4): installed on the rotating unit (3).

2. The test device for detecting the hardness of an automobile transmission shaft according to claim 1, characterized in that: The rotating unit (3) further comprises an electric telescopic rod (36), a telescopic rod (37) and a second mounting plate (38). The front and rear ends of the inner side of each mounting plate (35) are fixedly connected to two telescopic rods (37). The middle part of the inner side of the mounting plate (35) is fixedly connected to one end of the electric telescopic rod (36). The ends of the electric telescopic rod (36) and the telescopic rod (37) are fixedly connected to the second mounting plate (38).

3. The test device for detecting the hardness of an automobile transmission shaft according to claim 2, characterized in that: The fixing unit (4) comprises a rotating column (41), a nut (42), a fixing ring (43) and a fixing bolt (44); the front and rear ends of the second mounting plate (38) are rotatably connected to the rotating column (41); one end of the rotating column (41) is provided with a thread; the rotating column (41) is threadedly connected to the nut (42); the other end of each rotating column (41) is fixedly connected to a fixing ring (43); both ends of each fixing ring (43) are provided with threaded holes; both ends of the fixing ring (43) are threadedly connected to the fixing bolt (44).

4. The test device for detecting the hardness of an automobile transmission shaft according to claim 1, characterized in that: The detection unit (5) comprises a support frame (51), a limit frame (55), a rack (56), a limit sliding block (57) and a knock hammer (58); the middle part of the rear end of the base plate (1) is fixedly connected to the support frame (51); the upper front end of the support frame (51) is fixedly connected to two limit frames (55); the inner side of each limit frame (55) is slidably connected to the limit sliding block (57); the left and right sides of the upper end of the rack (56) are fixedly connected to the rack (56); the lower end of the rack (56) is fixedly connected to the knock hammer (58).

5. The test device for detecting the hardness of an automobile transmission shaft according to claim 4, characterized in that: The detection unit (5) further comprises a rotating shaft (52), a half gear (53) and a second motor (54); the middle portion of the upper end of the support frame (51) is rotatably connected to the rotating shaft (52); the outer side of the rotating shaft (52) is fixedly connected to the half gear (53); the half gear (53) is meshed with a rack (56); the left end of the support frame (51) is fixedly connected to the second motor (54); the output shaft of the second motor (54) is fixedly connected to one end of the rotating shaft (52).

6. The test device for detecting the hardness of an automobile transmission shaft according to claim 1, characterized in that: It also includes a base (2), the upper end of the bottom plate (1) is fixedly connected to the base (2), and the upper end of the base (2) corresponds to the lower end of the striking hammer (58).

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