Experimental device for verifying service life of draw bar

Abstract

The utility model relates to the technical field of service life detection devices, and discloses an experimental device for verifying the service life of a draw bar, which solves the problems that the existing service life experimental device is very inconvenient to fix the draw bar and the draw bar is not fastened in place, and comprises a bottom plate, and one side of the top of the bottom plate is fixedly provided with a mounting plate; a mounting strip is fixedly mounted on the upper portion of one side of the mounting plate, a supporting table is fixedly mounted on the other side of the top of the bottom plate, a rectangular sliding rod is fixedly mounted between the mounting strip and the bottom plate, the surface of the rectangular sliding rod is sleeved with a rectangular sliding sleeve, and a first mounting frame is fixedly mounted on one side of the rectangular sliding sleeve; quick positioning assemblies are arranged in the first mounting frame and on the top of the supporting table, a supporting plate is fixedly mounted on the other side of the mounting plate, a motor is fixedly mounted on the rear side of the supporting plate, and the output end of the motor extends to the front portion of the supporting plate and is fixedly provided with a rotating disc; the life test device is very convenient to fix the draw bar, and the fastening effect is good.

Description

Technical Field

[0001] The utility model belongs to the technical field of life detection devices, in particular to an experimental device for verifying the life of a traction rod. Background Art

[0002] The traction rod for vehicle traction is used to tow the vehicle. Compared with the wire rope traction vehicle, the traction rod is easy to connect during use and is a hard-connected traction, which can ensure traction safety. The traction rod needs to be tested for its life after production, and thus a service life test device is required. However, the existing life test device usually fixes the traction rod by manually rotating the screw, which is very inconvenient to use, increases the difficulty of fixing for the operator, reduces work efficiency, and it is inevitable that the screw will not be tightened in place when tightened manually, thereby reducing the fixing effect. Utility Model Content

[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides an experimental device for verifying the life of a traction rod, which effectively solves the problem that the existing life test device is very inconvenient when fixing the traction rod and is not tightened in place.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an experimental device for verifying the life of a traction rod, comprising a base plate, a mounting plate is fixedly installed on one side of the top of the base plate, a mounting strip is fixedly installed on the upper part of one side of the mounting plate, a support platform is fixedly installed on the other side of the top of the base plate, a rectangular sliding bar is fixedly installed between the mounting strip and the base plate, a rectangular sliding sleeve is sleeved on the surface of the rectangular sliding bar, a first mounting frame is fixedly installed on one side of the rectangular sliding sleeve, a quick positioning assembly is provided inside the first mounting frame and on the top of the support platform, a support plate is fixedly installed on the other side of the mounting plate, a motor is fixedly installed on the rear side of the support plate, an output end of the motor extends to the front part of the support plate and a turntable is fixedly installed, an eccentric shaft is rotatably installed on the surface of the turntable, a hollow rod is rotatably installed on the front side of the support plate, the hollow rod is sleeved on the surface of the eccentric shaft, an axle rod is rotatably installed in the middle part of one end of the hollow rod, a connecting strip is fixedly installed on the other side of the rectangular sliding sleeve, a strip groove is provided in the middle part of the connecting strip, and the axle rod is movably installed in the strip groove.

[0005] Preferably, the two quick positioning assemblies each include a second mounting frame, a cylinder is fixedly installed on the side of the two second mounting frames away from each other, the output ends of the two cylinders respectively extend to the interior of the two second mounting frames and are fixedly installed with connecting frames, pushing bars are fixedly installed on both ends of the two connecting frames close to each other, a slider is fixedly installed on the side of the pushing bar close to the second mounting frame, a third mounting frame is fixedly installed inside the two second mounting frames, sliding grooves are provided on the upper and lower sides of the two third mounting frames, and four sliders are respectively installed inside the four sliding grooves.

[0006] Preferably, mounting grooves are provided in the middle of the upper and lower sides of the two third mounting frames, and insertion rods are inserted into the inside of the mounting grooves. An inclined block is fixedly installed on the end of the insertion rod close to the pushing bar, and a mounting frame is fixedly installed on the end of the insertion rod away from the inclined block. Springs are provided on the surface of the insertion rod, and both ends of the springs are fixedly connected to the inclined block and the mounting frame respectively.

[0007] Preferably, two clamps are symmetrically rotatably mounted on one side inner wall of the two third mounting frames, the four clamps are respectively located inside four mounting frames, and two transmission rods are fixedly mounted inside the four mounting frames.

[0008] Compared with the prior art, the utility model has the following beneficial effects: the operator inserts the two ends of the traction rod into the interior of the two third mounting frames respectively, and then the operator starts the two cylinders at the same time to push the two connecting frames to move, and the connecting frames push the pushing bars to move when they move, and the pushing bars drive the sliders to slide along the interior of the slide slots when they move, thereby increasing the stability of the pushing bars when they move, and the pushing bars push the inclined blocks when they move, and when the inclined blocks are pushed, the mounting frames are driven to move and the springs are squeezed at the same time by the insertion rods, and when the mounting frames move, the clamps are driven to rotate by the transmission rods, thereby clamping and fixing the two ends of the traction rod;

[0009] After clamping and fixing the two ends of the traction rod, the operator starts the motor to drive the turntable to rotate. The turntable drives the hollow rod to swing back and forth through the eccentric shaft. When the hollow rod swings, it drives the shaft rod to move back and forth in the strip groove in the middle of the connecting strip, thereby driving the rectangular sliding sleeve to move back and forth along the surface of the rectangular sliding rod, so that the traction rod can be subjected to fatigue durability tests, and then its service life can be tested; this makes it very convenient to fix the traction rod with this life test device, and the fastening effect is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0011] In the attached picture:

[0012] Figure 1 This is a schematic diagram of the structure of the experimental device used for verifying the life of the traction rod of the utility model;

[0013] Figure 2 This is a schematic diagram of the side section structure of the support plate of the utility model;

[0014] Figure 3 For this utility model Figure 1 A schematic diagram of a local enlarged structure;

[0015] In the figure: 1, bottom plate; 2, mounting plate; 3, support platform; 4, mounting strip; 5, rectangular slide bar; 6, rectangular sliding sleeve; 7, first mounting frame; 8, connecting strip; 9, strip groove; 10, shaft rod; 11, hollow rod; 12, eccentric shaft; 13, turntable; 14, support plate; 15, motor; 16, second mounting frame; 17, cylinder; 18, connecting frame; 19, pushing strip; 20, slider; 21, slide groove; 22, mounting groove; 23, plug rod; 24, inclined block; 25, spring; 26, mounting frame; 27, transmission rod; 28, clamp; 29, third mounting frame. DETAILED DESCRIPTION

[0016] The technical solutions 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 only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0017] Depend on Figures 1 to 3 The utility model includes a bottom plate 1, a mounting plate 2 is fixedly installed on one side of the top of the bottom plate 1, a mounting strip 4 is fixedly installed on the upper part of one side of the mounting plate 2, a support platform 3 is fixedly installed on the other side of the top of the bottom plate 1, a rectangular slide bar 5 is fixedly installed between the mounting strip 4 and the bottom plate 1, a rectangular slide sleeve 6 is sleeved on the surface of the rectangular slide bar 5, a first mounting frame 7 is fixedly installed on one side of the rectangular slide sleeve 6, a quick positioning assembly is provided inside the first mounting frame 7 and on the top of the support platform 3, a support plate 14 is fixedly installed on the other side of the mounting plate 2 A motor 15 is fixedly installed on the rear side of the support plate 14, and the output end of the motor 15 extends to the front of the support plate 14 and is fixedly installed with a turntable 13. An eccentric shaft 12 is rotatably installed on the surface of the turntable 13, and a hollow rod 11 is rotatably installed on the front side of the support plate 14. The hollow rod 11 is sleeved on the surface of the eccentric shaft 12, and a shaft rod 10 is rotatably installed in the middle of one end of the hollow rod 11. A connecting strip 8 is fixedly installed on the other side of the rectangular sliding sleeve 6, and a strip groove 9 is opened in the middle of the connecting strip 8, and the shaft rod 10 is movably installed inside the strip groove 9.

[0018] The operator inserts the two ends of the traction rod into the two quick positioning components respectively, and then the operator starts the two quick positioning components at the same time to clamp and fix the two ends of the traction rod. After clamping and fixing the two ends of the traction rod, the operator starts the motor 15 to drive the turntable 13 to rotate. The turntable 13 drives the hollow rod 11 to swing back and forth through the eccentric shaft 12. When the hollow rod 11 swings, it drives the shaft rod 10 to move back and forth in the strip groove 9 in the middle of the connecting bar 8, thereby driving the rectangular sliding sleeve 6 to move back and forth along the surface of the rectangular sliding rod 5, so that the traction rod can be subjected to fatigue durability testing, and then its service life can be tested; this makes it very convenient to fix the traction rod with the life test device, and the fastening effect is good.

[0019] The two quick positioning components each include a second mounting frame 16, a cylinder 17 is fixedly mounted on one side of the two second mounting frames 16 away from each other, the output ends of the two cylinders 17 extend to the inside of the two second mounting frames 16 respectively and are fixedly mounted with a connecting frame 18, pushing bars 19 are fixedly mounted on both ends of the two connecting frames 18 close to each other, a slider 20 is fixedly mounted on one side of the pushing bar 19 close to the second mounting frame 16, a third mounting frame 29 is fixedly mounted inside the two second mounting frames 16, and slide grooves 21 are provided on the upper and lower sides of the two third mounting frames 29, and four sliders 20 are respectively mounted inside the four slide grooves 21; The middle parts of the upper and lower sides of the two third mounting frames 29 are provided with mounting grooves 22, and the insides of the mounting grooves 22 are plugged with plug rods 23, and the ends of the plug rods 23 close to the pushing strip 19 are fixedly installed with inclined blocks 24, and the ends of the plug rods 23 away from the inclined blocks 24 are fixedly installed with mounting frames 26. The surfaces of the plug rods 23 are provided with springs 25, and the two ends of the springs 25 are respectively fixedly connected to the inclined blocks 24 and the mounting frames 26; two clamps 28 are symmetrically mounted on the inner walls of one side of the two third mounting frames 29, and the four clamps 28 are respectively located inside the four mounting frames 26, and two transmission rods 27 are fixedly mounted inside the four mounting frames 26.

[0020] The operator inserts the two ends of the traction rod into the two third mounting frames 29 respectively, and then the operator starts the two cylinders 17 at the same time to push the two connecting frames 18 to move. When the connecting frames 18 move, they push the pushing bars 19 to move. When the pushing bars 19 move, they drive the sliders 20 to slide along the inside of the slide grooves 21, thereby increasing the stability of the pushing bars 19 when they move. When the pushing bars 19 move, they push the inclined blocks 24. When the inclined blocks 24 are pushed, they drive the mounting frames 26 to move through the insertion rods 23 and squeeze the springs 25 at the same time. When the mounting frames 26 move, they drive the clamps 28 to rotate through the transmission rods 27, thereby clamping and fixing the two ends of the traction rod.

Claims

1. An experimental device for verifying the life of a traction rod, comprising a base plate (1), characterized in that: A mounting plate (2) is fixedly mounted on one side of the top of the base plate (1), a mounting strip (4) is fixedly mounted on the upper part of one side of the mounting plate (2), a support platform (3) is fixedly mounted on the other side of the top of the base plate (1), a rectangular slide bar (5) is fixedly mounted between the mounting strip (4) and the base plate (1), a rectangular slide sleeve (6) is sleeved on the surface of the rectangular slide bar (5), a first mounting frame (7) is fixedly mounted on one side of the rectangular slide sleeve (6), a quick positioning assembly is provided inside the first mounting frame (7) and on the top of the support platform (3), a support plate (14) is fixedly mounted on the other side of the mounting plate (2), and the support plate (14) A motor (15) is fixedly installed on the rear side of the support plate (14), the output end of the motor (15) extends to the front part of the support plate (14) and is fixedly installed with a turntable (13), an eccentric shaft (12) is rotatably installed on the surface of the turntable (13), a hollow rod (11) is rotatably installed on the front side of the support plate (14), the hollow rod (11) is sleeved on the surface of the eccentric shaft (12), a shaft rod (10) is rotatably installed in the middle of one end of the hollow rod (11), a connecting strip (8) is fixedly installed on the other side of the rectangular sliding sleeve (6), a strip groove (9) is opened in the middle of the connecting strip (8), and the shaft rod (10) is movably installed inside the strip groove (9).

2. The experimental device for verifying the life of a traction rod according to claim 1, characterized in that: The two quick positioning assemblies each comprise a second mounting frame (16), a cylinder (17) being fixedly mounted on one side of the two second mounting frames (16) away from each other, the output ends of the two cylinders (17) respectively extending into the interior of the two second mounting frames (16) and being fixedly mounted with a connecting frame (18), pushing bars (19) being fixedly mounted on both ends of the two connecting frames (18) close to each other, a slider (20) being fixedly mounted on one side of the pushing bars (19) close to the second mounting frame (16), a third mounting frame (29) being fixedly mounted inside the two second mounting frames (16), a slide groove (21) being provided on both upper and lower sides of the two third mounting frames (29), and four sliders (20) being respectively mounted inside the four slide grooves (21).

3. The experimental device for verifying the life of a traction rod according to claim 2, characterized in that: The middle parts of the upper and lower sides of the two third mounting frames (29) are provided with mounting grooves (22), and the insides of the mounting grooves (22) are plugged with insertion rods (23), and the ends of the insertion rods (23) close to the pushing strip (19) are fixedly installed with inclined blocks (24), and the ends of the insertion rods (23) away from the inclined blocks (24) are fixedly installed with mounting frames (26), and the surfaces of the insertion rods (23) are provided with springs (25), and the two ends of the springs (25) are respectively fixedly connected to the inclined blocks (24) and the mounting frames (26).

4. The experimental device for verifying the life of a traction rod according to claim 3, characterized in that: Two clamps (28) are symmetrically mounted on the inner walls of one side of the two third mounting frames (29), the four clamps (28) are respectively located inside four mounting frames (26), and two transmission rods (27) are fixedly mounted inside the four mounting frames (26).

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