Experiment table for detecting parts

Abstract

The utility model discloses an experiment table used for detecting parts, comprising a mounting platform, the upper surface of the mounting platform is provided with a scanning mechanism, the scanning mechanism comprises first fixing blocks fixedly connected to two sides of the upper surface of the mounting platform, and two sides of the upper surface of the mounting platform are fixedly connected with second fixing blocks. The two first fixing blocks and the two second fixing blocks are arranged in a cross shape, and a first semicircular sliding rail is rotationally connected between the two first fixing blocks. According to the experiment table, through the arranged scanning mechanism, a first motor and a second motor drive a first connecting rod and a second connecting rod to rotate, then drive a first semi-annular sliding rail and a second semi-annular sliding rail to rotate, drive a sliding rod to move, and then drive a laser scanner to move; therefore, the laser scanner can comprehensively and uniformly scan the outer surface of the part, and the part detection accuracy and detection speed of the experiment table are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of parts detection, in particular to a test bench for detecting parts. Background Art

[0002] Parts are the basic elements of a machine. A machine generally consists of one or more prime movers (such as electric motors, internal combustion engines, steam engines) that receive external energy; an executive part (such as a tool in a machine tool) that realizes the production function of the machine, a transmission part that transmits the motion and power of the prime mover to the executive part (such as the gears and screw transmission mechanism in the machine tool), and a detection and control system that ensures the coordinated work of various parts in the machine (such as the CNC system in the machine tool) (that is, the machine consists of a prime mover, a transmission part, an executive part, and a measurement and control part). By further decomposing the machine, various types of parts can be obtained;

[0003] The existing general workbench for inspecting parts has unreasonable lighting equipment design, and there is a phenomenon of unfocused and wasteful light source, which makes it inconvenient for workers to perform fine work. It is not only inconvenient to centrally illuminate and supplement the parts, but also the lighting effect is poor, wasting electricity and increasing production costs.

[0004] The existing patent (Announcement No.: CN211681935U) discloses a parts inspection workbench, including a workbench, a slide groove is provided on the inner wall of the workbench, a slider is movably connected to the inner wall of the slide groove, a fill light board is fixedly connected to the outer wall of the slider, a lamp body is fixedly connected to the top of the fill light board, a slide rail is fixedly connected to the inner wall of the workbench, a sliding block is movably connected to the inner wall of the slide rail, and a movable frame is fixedly connected to the outer wall of the sliding block. The workbench achieves the purpose of supplementary lighting through the mutual cooperation of the fill light board, the slide rail, the movable frame, the fill light, the pulley, the light-transmitting layer, the light-transmitting board and the operating table, solves the problem that the general parts inspection workbench has a relatively simple structure and cannot be centrally illuminated, is convenient for workers to perform fine work, and has a flexible structure that is easy to adjust and use, and is convenient for users to adjust and use according to actual needs.

[0005] In view of the above problems, the existing patent provides a solution, but the workbench requires workers to inspect the outer surface of the parts with the naked eye when in use. Some tiny gaps are difficult to distinguish with the naked eye, and it is difficult to perform a comprehensive scan and inspection of the outer surface of the parts, which greatly reduces the accuracy of the workbench's inspection.

[0006] Therefore, a test bench for inspecting parts is proposed. Summary of the invention

[0007] The utility model aims to provide a test bench for detecting parts, which can solve the problem that it is difficult to perform comprehensive scanning detection on the outer surface of the parts.

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a test bench for detecting parts, comprising a mounting platform, wherein a scanning mechanism is arranged on the upper surface of the mounting platform, wherein the scanning mechanism comprises a No. 1 fixed block fixedly connected to both sides of the upper surface of the mounting platform, and No. 2 fixed blocks are fixedly connected to both sides of the upper surface of the mounting platform, and the two No. 1 fixed blocks and the two No. 2 fixed blocks are arranged in a cross shape, a No. 1 semi-annular slide rail is rotatably connected between the two No. 1 fixed blocks, a No. 2 semi-annular slide rail is rotatably connected between the two No. 2 fixed blocks, the outer cylindrical surface of the No. 1 semi-annular slide rail is slidably connected to the inner cylindrical surface of the No. 2 semi-annular slide rail, and a laser scanner is arranged between the No. 1 semi-annular slide rail and the No. 2 semi-annular slide rail;

[0009] One side of the outer surface of one of the two No. 1 fixed blocks is fixedly connected to a No. 1 motor, the output end of the No. 1 motor is fixedly connected to a No. 1 connecting rod, one end of the No. 1 connecting rod passes through the No. 1 fixed block and is fixedly connected to one end of the No. 1 semi-annular slide rail, one side of the outer surface of one of the two No. 2 fixed blocks is fixedly connected to a No. 2 motor, the output end of the No. 2 motor is fixedly connected to a No. 2 connecting rod, one end of the No. 2 connecting rod passes through the No. 2 fixed block and is fixedly connected to one end of the No. 2 semi-annular slide rail.

[0010] Preferably, a flipping mechanism is provided on one side of the upper surface of the mounting platform, and the flipping mechanism includes a mounting plate slidably connected to the mounting platform, a No. 4 motor is fixedly connected to the lower end of one side of the outer surface of the mounting plate, a No. 3 connecting rod is fixedly connected to the output end of the No. 4 motor, one end of the No. 3 connecting rod passes through the mounting plate and is fixedly connected to the No. 1 turntable, a No. 2 turntable is rotatably connected above the No. 1 turntable on the other side of the outer surface of the mounting plate, a transmission belt is movably connected between the No. 1 turntable and the No. 2 turntable, and a clamping fixing rod is provided on one side of the outer surface of the No. 2 turntable.

[0011] Preferably, a No. 2 telescopic rod is fixedly connected to one side of the outer surface of the No. 2 turntable, one end of the No. 2 telescopic rod is fixedly connected to a mounting rod, both ends of the mounting rod are fixedly connected to clamping telescopic rods, one end of the two clamping telescopic rods is fixedly connected to a clamping mounting plate, and the opposite side of the outer surfaces of the two clamping mounting plates is fixedly connected to the clamping fixing rod away from one end of the mounting rod.

[0012] Preferably, the lower surface of the mounting platform is located below the mounting plate and is fixedly connected to a U-shaped mounting frame, a No. 3 motor is fixedly connected to one side of the lower surface of the U-shaped mounting frame, a screw rod is fixedly connected to the output end of the No. 3 motor, one end of the screw rod passes through the U-shaped mounting frame and is rotatably connected to the lower surface of the mounting platform, a ball nut seat is movably connected to the outer cylindrical surface of the screw rod, and one side of the ball nut seat is fixedly connected to the lower end of the mounting plate.

[0013] Preferably, a fixing rod is fixedly connected to the side of the inner lower surface of the U-shaped mounting frame away from the screw rod, and the other end of the fixing rod is fixedly connected to the lower surface of the mounting platform, and a slider is slidably connected to the outer circular surface of the fixing rod, and one side of the slider is fixedly connected to the lower end of the mounting plate.

[0014] Preferably, a sliding rod is slidably connected between the No. 1 semi-annular slide rail and the No. 2 semi-annular slide rail, an upper clamping block is fixedly connected to the upper surface of the sliding rod, and the upper clamping block is slidably connected to the outer circular surface of the No. 2 semi-annular slide rail, a lower clamping block is fixedly connected to the lower surface of the sliding rod, and the lower clamping block is slidably connected to the inner circular surface of the No. 1 semi-annular slide rail, a No. 1 telescopic rod is fixedly connected to the lower surface of the lower clamping block, and a laser scanner is fixedly connected to one end of the No. 1 telescopic rod.

[0015] Preferably, a No. 3 telescopic rod is fixedly connected to the center position of the lower surface of the mounting platform, and one end of the No. 3 telescopic rod passes through the mounting platform and is fixedly connected to the placement platform.

[0016] Preferably, four rectangular and evenly distributed supporting legs are fixedly connected to the lower surface of the mounting platform, and rubber pads are fixedly connected to the lower ends of the supporting legs.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] 1. The scanning mechanism of the present application is set up, and the No. 1 motor and the No. 2 motor drive the No. 1 connecting rod and the No. 2 connecting rod to rotate, and then drive the No. 1 semi-circular slide rail and the No. 2 semi-circular slide rail to rotate, and then drive the slide bar to move, and then drive the laser scanner to move, so that the laser scanner can scan the outer surface of the part in a comprehensive and uniform manner, thereby improving the accuracy and speed of the test bench for part detection, and then the No. 1 telescopic rod can drive the laser scanner to move, so that the laser scanner is close to the part, thereby improving the accuracy of the laser scanner scanning;

[0019] 2. The present application sets up a flipping mechanism, which drives the installation rod to move through the No. 2 telescopic rod, and then drives the clamping installation rod to move through the clamping telescopic rod, and then drives the clamping fixing rod to move to clamp the part, and then drives the No. 3 connecting rod to rotate through the No. 4 motor, and then drives the No. 1 turntable to rotate, and then drives the No. 2 turntable to rotate through the transmission belt, thereby driving the part to rotate, and the part can be flipped from the bottom surface of the part to the top surface, further improving the scanning efficiency of the experimental bench on the outer surface of the part. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 This is the overall structural view of the utility model;

[0022] Figure 2 It is the right view of the overall structure of the utility model;

[0023] Figure 3 It is a left view of the overall structure of the utility model;

[0024] Figure 4 It is a cross-sectional view of the turning mechanism of the utility model;

[0025] Figure 5 This is a view of a laser scanner of the present invention.

[0026] Description of reference numerals:

[0027] 1. Installation platform; 2. Placement platform; 3. Scanning mechanism; 31. No. 1 fixed block; 32. No. 1 motor; 33. No. 1 connecting rod; 34. No. 1 semi-circular slide rail; 35. No. 2 fixed block; 36. No. 2 motor; 37. No. 2 connecting rod; 38. No. 2 semi-circular slide rail; 39. Slide rod; 310. Laser scanner; 311. Upper clamping block; 312. Lower clamping block; 313. No. 1 telescopic rod; 4. Flipping mechanism; 41. Installation plate; 42. Telescopic rod No. 2; 43. Mounting rod; 44. Clamping telescopic rod; 45. Clamping mounting plate; 46. Clamping fixing rod; 47. U-shaped mounting frame; 48. Motor No. 3; 49. Ball nut seat; 410. Screw rod; 411. Fixing rod; 412. Slider; 413. Motor No. 4; 414. Connecting rod No. 3; 415. Turntable No. 1; 416. Turntable No. 2; 417. Transmission belt; 5. Telescopic rod No. 3; 6. Support leg. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only 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.

[0029] See also Figures 1 to 5 , the utility model provides a technical solution:

[0030] A test bench for inspecting parts, comprising a mounting platform 1, wherein a scanning mechanism 3 is arranged on the upper surface of the mounting platform 1, wherein the scanning mechanism 3 comprises a No. 1 fixing block 31 fixedly connected to both sides of the upper surface of the mounting platform 1, and No. 2 fixing blocks 35 are fixedly connected to both sides of the upper surface of the mounting platform 1, and the two No. 1 fixing blocks 31 and the two No. 2 fixing blocks 35 are arranged in a cross shape, a No. 1 semi-annular slide rail 34 is rotatably connected between the two No. 1 fixing blocks 31, and a No. 2 semi-annular slide rail 38 is rotatably connected between the two No. 2 fixing blocks 35, and the outer cylindrical surface of the No. 1 semi-annular slide rail 34 is slidably connected to the inner cylindrical surface of the No. 2 semi-annular slide rail 38, and a laser scanner 310 is arranged between the No. 1 semi-annular slide rail 34 and the No. 2 semi-annular slide rail 38;

[0031] One side of the outer surface of one of the two No. 1 fixed blocks 31 is fixedly connected to a No. 1 motor 32, and the output end of the No. 1 motor 32 is fixedly connected to a No. 1 connecting rod 33, one end of the No. 1 connecting rod 33 passes through the No. 1 fixed block 31 and is fixedly connected to one end of the No. 1 semi-annular slide rail 34; one side of the outer surface of one of the two No. 2 fixed blocks 35 is fixedly connected to a No. 2 motor 36, and the output end of the No. 2 motor 36 is fixedly connected to a No. 2 connecting rod 37, one end of the No. 2 connecting rod 37 passes through the No. 2 fixed block 35 and is fixedly connected to one end of the No. 2 semi-annular slide rail 38.

[0032] Specifically, Figure 2 and Figure 5 As shown, a slide rod 39 is slidably connected between the No. 1 semi-annular slide rail 34 and the No. 2 semi-annular slide rail 38, an upper clamping block 311 is fixedly connected to the upper surface of the slide rod 39, and the upper clamping block 311 is slidably connected to the outer circular surface of the No. 2 semi-annular slide rail 38, a lower clamping block 312 is fixedly connected to the lower surface of the slide rod 39, and the lower clamping block 312 is slidably connected to the inner circular surface of the No. 1 semi-annular slide rail 34, a No. 1 telescopic rod 313 is fixedly connected to the lower surface of the lower clamping block 312, and a laser scanner 310 is fixedly connected to one end of the No. 1 telescopic rod 313.

[0033] Specifically, Figure 1 As shown, a third telescopic rod 5 is fixedly connected to the center position of the lower surface of the installation platform 1, and one end of the third telescopic rod 5 passes through the installation platform 1 and is fixedly connected to the placement platform 2.

[0034] Place the parts on the placement platform 2, then start the No. 3 telescopic rod 5 to drive the placement platform 2 to move upward, the model of the No. 3 telescopic rod is XDHA12-1000, then drive the parts to move upward, then start the No. 1 motor 32 and the No. 2 motor 36 to drive the No. 1 connecting rod 33 and the No. 2 connecting rod 37 to rotate, the models of the No. 1 motor 32 and the No. 2 motor 36 are 80M, then drive the No. 1 semi-annular slide rail 34 and the No. 2 semi-annular slide rail 38 to rotate, then drive the slide bar 39 to move, and then drive the laser scanner 310 to move, the model of the laser scanner 310 is SR9 000, so that the laser scanner 310 can scan the outer surface of the part in a comprehensive and uniform manner, thereby improving the accuracy and speed of the test bench's part detection, and the setting of the upper block 311 and the lower block 312 can prevent the slide bar 39 from derailing, thereby preventing the laser scanner 310 from falling, and the laser scanner 310 can be driven to move by the No. 1 telescopic rod 313, the model of the No. 1 telescopic rod 313 is YS-L35-24-50-15-1500, which can make the laser scanner 310 close to the part, thereby improving the scanning accuracy of the laser scanner 310.

[0035] Specifically, Figure 3 and Figure 4 As shown, a flipping mechanism 4 is provided on one side of the upper surface of the mounting platform 1, and the flipping mechanism 4 includes a mounting plate 41 slidably connected to the mounting platform 1, a No. 4 motor 413 is fixedly connected to the lower end of one side of the outer surface of the mounting plate 41, and a No. 3 connecting rod 414 is fixedly connected to the output end of the No. 4 motor 413, and one end of the No. 3 connecting rod 414 passes through the mounting plate 41 and is fixedly connected to a No. 1 turntable 415, and a No. 2 turntable 416 is rotatably connected above the No. 1 turntable 415 on the other side of the outer surface of the mounting plate 41, a transmission belt 417 is movably connected between the No. 1 turntable 415 and the No. 2 turntable 416, and a clamping fixing rod 46 is provided on one side of the outer surface of the No. 2 turntable 416.

[0036] Specifically, Figure 4 As shown, one side of the outer surface of the No. 2 turntable 416 is fixedly connected with a No. 2 telescopic rod 42, one end of the No. 2 telescopic rod 42 is fixedly connected with a mounting rod 43, both ends of the mounting rod 43 are fixedly connected with clamping telescopic rods 44, one end of the two clamping telescopic rods 44 is fixedly connected with a clamping mounting plate 45, and the outer surfaces of the two clamping mounting plates 45 have one end opposite to the other side, away from the mounting rod 43, fixedly connected with a clamping fixing rod 46.

[0037] Specifically, Figure 2 As shown, the lower surface of the mounting platform 1 is located below the mounting plate 41 and is fixedly connected to a U-shaped mounting frame 47, one side of the lower surface of the U-shaped mounting frame 47 is fixedly connected to a No. 3 motor 48, the output end of the No. 3 motor 48 is fixedly connected to a screw rod 410, one end of the screw rod 410 passes through the U-shaped mounting frame 47 and is rotatably connected to the lower surface of the mounting platform 1, the outer cylindrical surface of the screw rod 410 is movably connected to a ball nut seat 49, and one side of the ball nut seat 49 is fixedly connected to the lower end of the mounting plate 41.

[0038] Start the No. 3 motor 48 to drive the screw 410 to rotate, the model of the No. 3 motor 48 is 80M, then drive the ball nut seat 49 to move, then drive the mounting plate 41 to move, then start the No. 2 telescopic rod 42 to drive the mounting rod 43 to move, the model of the No. 2 telescopic rod 42 is YS-L35-24-50-15-1500, then start the clamping telescopic rod 44 to drive the clamping mounting plate 45 to move, the model of the clamping telescopic rod 44 is 10-1000, then drive the clamping fixed rod 46 to move, clamp the parts, then start the No. 4 motor 413 to drive the No. 3 connecting rod 414 to rotate, the model of the No. 4 motor 413 is 80M, then drive the No. 1 turntable 415 to rotate, and then drive the No. 2 turntable 416 to rotate through the transmission belt 417, thereby driving the parts to rotate, and the parts can be flipped, and the bottom surface of the parts can be flipped to the top surface, further improving the scanning efficiency of the experimental bench on the outer surface of the parts.

[0039] Specifically, Figure 2 As shown, a fixing rod 411 is fixedly connected to the side of the inner lower surface of the U-shaped mounting frame 47 away from the screw rod 410, and the other end of the fixing rod 411 is fixedly connected to the lower surface of the mounting platform 1, and a slider 412 is slidably connected to the outer circular surface of the fixing rod 411, and one side of the slider 412 is fixedly connected to the lower end of the mounting plate 41.

[0040] The sliding connection between the slider 412 and the fixing rod 411 improves the stability of the movement of the mounting plate 41 .

[0041] Specifically, Figure 1 As shown, four rectangular and evenly distributed supporting legs 6 are fixedly connected to the lower surface of the mounting platform 1 , and rubber pads are fixedly connected to the lower ends of the supporting legs 6 .

[0042] The stability of the experimental platform is improved by the support legs 6 and the rubber pads fixedly connected to the lower ends of the support legs 6.

[0043] Working principle: When the present application is in use, firstly, the part is placed on the placement platform 2, and then the No. 3 telescopic rod 5 is started to drive the placement platform 2 to move upward, and then the part is moved upward, and then the No. 1 motor 32 and the No. 2 motor 36 are started to drive the No. 1 connecting rod 33 and the No. 2 connecting rod 37 to rotate, and then the No. 1 semi-annular slide rail 34 and the No. 2 semi-annular slide rail 38 are rotated, and then the slide bar 39 is moved, and then the laser scanner 310 is moved, and then the No. 1 telescopic rod 313 is started to drive the laser scanner 310 to move, so that the laser scanner 310 is close to the part, and then the laser scanner 310 is started to zero. The outer surface of the part is scanned evenly, and then the No. 3 motor 48 is started to drive the screw 410 to rotate, and then the ball nut seat 49 is driven to move, and then the mounting plate 41 is driven to move, and then the No. 2 telescopic rod 42 is started to drive the mounting rod 43 to move, and then the clamping telescopic rod 44 is started to drive the clamping mounting plate 45 to move, and then the clamping fixing rod 46 is driven to move to clamp the part, and then the No. 4 motor 413 is started to drive the No. 3 connecting rod 414 to rotate, and then the No. 1 turntable 415 is driven to rotate, and then the No. 2 turntable 416 is driven to rotate through the transmission belt 417, and the bottom surface of the part is turned over to the top surface, and the bottom surface is scanned.

[0044] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A test bench for testing parts, comprising a mounting platform (1), Features: A scanning mechanism (3) is provided on the upper surface of the mounting platform (1), and the scanning mechanism (3) comprises a No. 1 fixed block (31) fixedly connected to both sides of the upper surface of the mounting platform (1), and a No. 2 fixed block (35) is fixedly connected to both sides of the upper surface of the mounting platform (1), and the two No. 1 fixed blocks (31) and the two No. 2 fixed blocks (35) are arranged in a cross shape, a No. 1 semi-annular slide rail (34) is rotatably connected between the two No. 1 fixed blocks (31), and a No. 2 semi-annular slide rail (38) is rotatably connected between the two No. 2 fixed blocks (35), and the outer cylindrical surface of the No. 1 semi-annular slide rail (34) and the inner cylindrical surface of the No. 2 semi-annular slide rail (38) are slidably connected, and a laser scanner (310) is provided between the No. 1 semi-annular slide rail (34) and the No. 2 semi-annular slide rail (38); A No. 1 motor (32) is fixedly connected to one side of the outer surface of one No. 1 fixing block (31) of the two No. 1 fixing blocks (31), an output end of the No. 1 motor (32) is fixedly connected to a No. 1 connecting rod (33), one end of the No. 1 connecting rod (33) passes through the No. 1 fixing block (31) and is fixedly connected to one end of a No. 1 semi-annular slide rail (34), and a No. 2 motor (36) is fixedly connected to one side of the outer surface of one No. 2 fixing block (35) of the two No. 2 fixing blocks (35), an output end of the No. 2 motor (36) is fixedly connected to a No. 2 connecting rod (37), one end of the No. 2 connecting rod (37) passes through the No. 2 fixing block (35) and is fixedly connected to one end of a No. 2 semi-annular slide rail (38).

2. A test bench for testing parts according to claim 1, Features: A flip mechanism (4) is provided on one side of the upper surface of the mounting platform (1), and the flip mechanism (4) comprises a mounting plate (41) slidably connected to the mounting platform (1); a fourth motor (413) is fixedly connected to the lower end of one side of the outer surface of the mounting plate (41); a third connecting rod (414) is fixedly connected to the output end of the fourth motor (413); one end of the third connecting rod (414) passes through the mounting plate (41) and is fixedly connected to a first turntable (415); a second turntable (416) is rotatably connected above the first turntable (415) on the other side of the outer surface of the mounting plate (41); a transmission belt (417) is movably connected between the first turntable (415) and the second turntable (416); and a clamping fixing rod (46) is provided on one side of the outer surface of the second turntable (416).

3. A test bench for testing parts according to claim 2, Features: A second telescopic rod (42) is fixedly connected to one side of the outer surface of the second turntable (416); one end of the second telescopic rod (42) is fixedly connected to a mounting rod (43); both ends of the mounting rod (43) are fixedly connected to clamping telescopic rods (44); one end of the two clamping telescopic rods (44) is fixedly connected to a clamping mounting plate (45); and one end of the outer surfaces of the two clamping mounting plates (45) opposite to each other and away from the mounting rod (43) is fixedly connected to a clamping fixing rod (46).

4. A test bench for testing parts according to claim 2, Features: The lower surface of the mounting platform (1) is located below the mounting plate (41) and is fixedly connected to a U-shaped mounting frame (47); a third motor (48) is fixedly connected to one side of the lower surface of the U-shaped mounting frame (47); a screw rod (410) is fixedly connected to the output end of the third motor (48); one end of the screw rod (410) passes through the U-shaped mounting frame (47) and is rotatably connected to the lower surface of the mounting platform (1); a ball nut seat (49) is movably connected to the outer cylindrical surface of the screw rod (410); one side of the ball nut seat (49) is fixedly connected to the lower end of the mounting plate (41).

5. A test bench for testing parts according to claim 4, Features: A fixing rod (411) is fixedly connected to a side of the inner lower surface of the U-shaped mounting frame (47) away from the screw rod (410), and the other end of the fixing rod (411) is fixedly connected to the lower surface of the mounting platform (1). A sliding block (412) is slidably connected to the outer cylindrical surface of the fixing rod (411), and one side of the sliding block (412) is fixedly connected to the lower end of the mounting plate (41).

6. A test bench for testing parts according to claim 1, Features: A slide bar (39) is slidably connected between the first semi-annular slide rail (34) and the second semi-annular slide rail (38); an upper clamping block (311) is fixedly connected to the upper surface of the slide bar (39), and the upper clamping block (311) is slidably connected to the outer circular surface of the second semi-annular slide rail (38); a lower clamping block (312) is fixedly connected to the lower surface of the slide bar (39), and the lower clamping block (312) is slidably connected to the inner circular surface of the first semi-annular slide rail (34); a first telescopic rod (313) is fixedly connected to the lower surface of the lower clamping block (312), and a laser scanner (310) is fixedly connected to one end of the first telescopic rod (313).

7. A test bench for testing parts according to claim 1, Features: A third telescopic rod (5) is fixedly connected to the center of the lower surface of the installation platform (1), and one end of the third telescopic rod (5) passes through the installation platform (1) and is fixedly connected to the placement platform (2).

8. A test bench for testing parts according to claim 1, Features: Four rectangular and evenly distributed support legs (6) are fixedly connected to the lower surface of the installation platform (1), and rubber pads are fixedly connected to the lower ends of the support legs (6).

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