Bicycle trailer quality detection device

Abstract

The utility model relates to the technical field of trailer quality detection, and discloses a bicycle trailer quality detection device which comprises a fixed base, the bottom of the fixed base is fixedly connected with a motor, the output end of the motor is fixedly connected with a rotating shaft, the outer wall of the rotating shaft is fixedly connected with a fixed roller, and the outer wall of the fixed roller is provided with a simulation ring. A limiting assembly is arranged on the outer wall of the fixed roller, the limiting assembly is used for preventing the simulation ring from freely sliding, a positioning plate is arranged on the outer wall of the simulation ring, a fixing assembly is arranged in the positioning plate, and the fixing assembly is used for fixing the simulation ring to the outer wall of the fixed roller. According to the utility model, the problems of easy occurrence of fatigue damage and potential safety hazards which cannot be found in the test in daily use of the trailer are solved, and the purposes of simulating different road conditions, evaluating the performance of the trailer under various conditions more comprehensively and ensuring the reliability and durability of the trailer in actual use are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to trailer quality detection technical field especially relates to a bicycle trailer quality detection device. BACKGROUND

[0002] The bicycle trailer is an additional device for transporting goods or passengers, usually connected behind the bicycle, widely used in daily travel, tourism and logistics distribution scenes. Because the trailer will experience repeated load, vibration and stress changes in long-term use, especially in uneven road or overloading conditions, may cause structural fatigue, material aging and loose connection parts and other problems. Therefore, the bicycle trailer quality detection device for fatigue test is very important, it can monitor the stress state, load condition and service life of key components of the trailer in real time, find potential faults in advance, ensure the safety and durability of the trailer.

[0003] The traditional bicycle trailer quality detection device mainly evaluates the state of the trailer through manual inspection and regular maintenance when conducting fatigue test. Users usually check the frame, tires, connection parts and other key components of the trailer regularly, especially pay attention to the metal fatigue, material wear and loose condition that may appear under long-term use or high-intensity load. These detection methods rely on experience and regular visual and tactile inspection, cannot monitor the fatigue state in real time during the actual use of the trailer, easily ignore the cumulative damage, increase the potential safety risk.

[0004] The traditional bicycle trailer quality detection device can usually only simulate smooth or standardized load, ignores various dynamic stresses encountered by the trailer in actual use, is difficult to reflect the performance of the trailer in real harsh environment, leads to the fatigue damage that the trailer cannot be found in the test in daily use, and there is a safety hazard. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a bicycle trailer quality detection device, which aims at improving the problem that the traditional bicycle trailer quality detection device is difficult to reflect the performance of the trailer in real harsh environment, leads to the fatigue damage that the trailer cannot be found in the test in daily use, and there is a safety hazard.

[0006] To achieve the above object, the utility model provides the following technical scheme: A bicycle trailer quality detection device, including fixed base, the bottom fixed connection of fixed base has motor, the output fixed connection of motor has the pivot, the outer wall fixed connection of pivot has fixed roller, the outer wall of fixed roller is provided with simulation ring, the outer wall of fixed roller is provided with limit component, limit component is used for preventing simulation ring from sliding at will, the outer wall of simulation ring is provided with positioning plate, the inside of positioning plate is provided with fixed component, fixed component is used for fixing simulation ring on the outer wall of fixed roller;

[0007] The fixed component includes a driving plate, the outer wall of the driving plate is rotatably connected to the inside of the positioning plate, the bottom of the positioning plate is fixedly connected with a clamping block, the outer wall of the clamping block is arranged in the inside of the simulation ring, the outer wall of the driving plate is sleeved with a torsion spring, one end of the torsion spring is fixedly connected to the outer wall of the clamping block, and the other end of the torsion spring is fixedly connected with a limiting plate.

[0008] Further, the fixed component includes a limiting groove, the limiting groove is opened in the inside of the fixed roller, and the inner wall of the simulation ring is fixedly connected with a clamping block.

[0009] Further, the upper surface of the fixed base is fixedly connected with an electric guide rail, the output end of the electric guide rail is fixedly connected with a movable base, the upper surface of the movable base is fixedly connected with an air cylinder, the output end of the air cylinder is fixedly connected with a push plate, the upper side of the push plate is attached with a pressure bearing plate, the lower surface of the pressure bearing plate is fixedly connected with a guide rod, the upper surface of the pressure bearing plate is fixedly connected with a supporting clamp, the upper surface of the supporting clamp is provided with a counterweight assembly, and the counterweight assembly is used for exerting pressure on the trailer.

[0010] Further, the counterweight assembly includes a fixed half ring, the lower surface of the fixed half ring is fixedly connected to the upper surface of the supporting clamp, the outer wall of the fixed half ring is rotatably connected with a movable half ring on one side, the outer wall of the fixed half ring is fixedly connected with a buckle on the other side, and a counterweight lever is arranged between the fixed half ring and the movable half ring.

[0011] Further, the upper surface of the fixed base is fixedly connected with a fixed outer frame, and the inside of the fixed outer frame is slidably connected with a sliding column.

[0012] Further, the middle part of the sliding column is provided with a fixed sleeve, and the fixed sleeve is used for fixing the outer wall of the trailer on one side.

[0013] Further, the outer wall of the limiting plate is fixedly connected to the inside of the positioning plate, and the limiting plate is used for fixing one end of the torsion spring.

[0014] Further, the outer wall of the clamping block is slidably connected in the inner part of the limiting groove, and the clamping block is used for limiting the rotation of the simulation ring.

[0015] Further, the bottom of the guide rod is fixedly connected to the upper surface of the moving base, and the guide rod is used for guiding the movement of the pressure plate.

[0016] Further, the outer wall of the clamping block is slidably connected in the inner part of the limiting groove, and the clamping block is used for limiting the rotation of the simulation ring.

[0017] The utility model has the advantages of the following beneficial effects:

[0018] 1. In the utility model, firstly, the motor is started to drive the rotating shaft, the fixed roller and the simulation ring in cooperation with the limiting groove and the clamping block, the simulation ring is replaced in cooperation with the driving plate, the clamping block, the torsion spring and the limiting plate, so that the simulation ring of different degrees can be replaced according to actual conditions, the fatigue damage that cannot be found in the test in the daily use of the trailer is solved, the problem of hidden danger is solved, different road conditions can be simulated, the performance of the trailer under various conditions can be more comprehensively evaluated, and the reliability and durability of the trailer in actual use are ensured.

[0019] 2. In the utility model, firstly, the sliding column is pulled to fix one side of the trailer in cooperation with the fixed sleeve, then the fixed half ring and the movable half ring are switched in cooperation with the driving buckle, the pressure plate is moved in cooperation with the moving base and the electric guide rail, and the trailer is pressed in cooperation with the moving base, the guide rod and the pressure plate, so that the running state of the trailer under different loads such as light load, medium load and full load can be simulated, the stress condition of the trailer under various load conditions can be comprehensively evaluated, and the performance of the trailer under various load conditions is more reliable. ACCURACY OF DRAWINGS

[0020] Figure 1 It is a three-dimensional structure schematic view of the bicycle trailer quality detection device provided by the utility model;

[0021] Figure 2 It is a structure schematic view above the fixed base of the bicycle trailer quality detection device provided by the utility model;

[0022] Figure 3 It is a simulation ring structure schematic view of the bicycle trailer quality detection device provided by the utility model;

[0023] Figure 4 It is an internal structure schematic view of the positioning plate of the bicycle trailer quality detection device provided by the utility model;

[0024] Figure 5The utility model provides a kind of counterweight lever structure schematic diagram of bicycle trailer quality detection device.

[0025] Legend:

[0026] 1, fixed base; 2, motor; 3, rotating shaft; 4, fixed roller; 5, limiting groove; 6, simulation ring; 7, clamping block; 8, positioning plate; 9, driving plate; 10, clamping block; 11, torsion spring; 12, limiting plate; 13, fixed outer frame; 14, sliding column; 15, fixed sleeve; 16, electric guide rail; 17, moving base; 18, air cylinder; 19, guide rod; 20, pressure plate; 21, support clamp; 22, fixed half ring; 23, movable half ring; 24, buckle; 25, counterweight lever; 26, push plate. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to 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 the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0028] Reference Figure 1 - Figure 4 An embodiment provided by the utility model: a bicycle trailer quality detection device, which comprises a fixed base 1, the bottom of the fixed base 1 is fixedly connected with a motor 2, the output end of the motor 2 is fixedly connected with a rotating shaft 3, the outer wall of the rotating shaft 3 is fixedly connected with a fixed roller 4, the outer wall of the fixed roller 4 is provided with a simulation ring 6, the driving motor 2 drives the rotating shaft 3, the fixed roller 4 and the simulation ring 6 to rotate through the output end of the motor 2 to simulate specific use conditions, the outer wall of the fixed roller 4 is provided with a limiting assembly, the limiting assembly is used for preventing the simulation ring 6 from sliding randomly, the outer wall of the simulation ring 6 is provided with a positioning plate 8, the inside of the positioning plate 8 is provided with a fixing assembly, and the fixing assembly is used for fixing the simulation ring 6 on the outer wall of the fixed roller 4.

[0029] The fixing assembly comprises a driving plate 9, the outer wall of the driving plate 9 is rotationally connected in the inside of the positioning plate 8, the bottom of the positioning plate 8 is fixedly connected with a clamping block 10, the outer wall of the clamping block 10 is arranged in the inside of the simulation ring 6, the outer wall of the driving plate 9 is sleeved with a torsion spring 11, one end of the torsion spring 11 is fixedly connected with the outer wall of the clamping block 10, the other end of the torsion spring 11 is fixedly connected with a limiting plate 12, the driving plate 9 is driven to rotate in the inside of the positioning plate 8, so as to drive the clamping block 10 to rotate in the inside of the simulation ring 6, and then the clamping block 10 is fixed by the limiting plate 12, so that the torsion spring 11 is twisted, when the clamping block 10 rotates to the preset normal fit in the inside of the simulation ring 6, the clamping block 10 can be pulled out, so as to contact and fix the simulation ring 6, and then the simulation ring 6 can be replaced, the fixing assembly comprises a limiting groove 5, the limiting groove 5 is arranged in the inside of the fixing roller 4, the inner wall of the simulation ring 6 is fixedly connected with a clamping block 7, when the simulation ring 6 is installed, the clamping block 7 on the inner wall of the simulation ring 6 is first placed in the limiting groove 5 in the inside of the fixing roller 4 for positioning, and meanwhile the clamping block 7 can also prevent the simulation ring 6 from deviating during use.

[0030] Referring to Figure 1 , Figure 2 and Figure 5The upper surface of the fixed base 1 is fixedly connected with an electric guide rail 16, the output end of the electric guide rail 16 is fixedly connected with a moving base 17, the moving base 17 and the upper pressure plate 20 and counterweight lever 25 are driven to move to the upper side of the trailer through the electric guide rail 16, the upper surface of the moving base 17 is fixedly connected with a cylinder 18, the output end of the cylinder 18 is fixedly connected with a push plate 26, the upper side of the push plate 26 is attached with the pressure plate 20, the lower surface of the pressure plate 20 is fixedly connected with a guide rod 19, the cylinder 18 is started to drive the push plate 26 to move through the output end of the cylinder 18, so as to drive the pressure plate 20 to move upward, the guide rod 19 is guided in the process, so as to facilitate the pressure plate 20 and the upper counterweight lever 25 to be placed on the upper side of the trailer, the upper surface of the pressure plate 20 is fixedly connected with a support clamp 21, the upper surface of the support clamp 21 is provided with a counterweight assembly, the counterweight assembly is used for exerting pressure on the trailer, the counterweight assembly comprises a fixed half ring 22, the lower surface of the fixed half ring 22 is fixedly connected to the upper surface of the support clamp 21, the outer wall of the fixed half ring 22 is rotatably connected with a movable half ring 23 on one side, the outer wall of the fixed half ring 22 is fixedly connected with a buckle 24 on the other side, the counterweight lever 25 is arranged between the fixed half ring 22 and the movable half ring 23, the buckle 24 is driven to realize the fixing and release between the fixed half ring 22 and the movable half ring 23, so as to facilitate the replacement or fixing of the counterweight lever 25, the upper surface of the fixed base 1 is fixedly connected with a fixed outer frame 13, the inner side of the fixed outer frame 13 is slidably connected with a sliding column 14, the middle part of the sliding column 14 is provided with a fixed sleeve 15, the fixed sleeve 15 is used for fixing the outer wall of the trailer on one side, the outer wall of the limiting plate 12 is fixedly connected in the inner side of the positioning plate 8, the limiting plate 12 is used for fixing one end of the torsion spring 11, the outer wall of the clamping block 7 is slidably connected in the inner side of the limiting groove 5, the clamping block 7 is used for limiting the rotation of the simulation ring 6, the bottom of the guide rod 19 is fixedly connected to the upper surface of the moving base 17, the guide rod 19 is used for guiding the movement of the pressure plate 20, the outer wall of the buckle 24 is fixedly connected to the outer wall of the movable half ring 23 on one side, and the buckle 24 is used for fixing and releasing the fixed half ring 22 and the movable half ring 23.

[0031] Working principle: when the bicycle trailer quality detection device needs to be used, first, the trailer is placed above the fixed base 1, then the sliding column 14 is pulled to slide on the outer wall of the fixed outer frame 13, so that the fixed sleeve 15 is moved to one side of the trailer, then the connecting shaft of the trailer is inserted into the inside of the fixed sleeve 15 for fixation, at this time, the two wheels of the trailer are just placed above the two simulation rings 6, then the motor 2 is started to drive the rotating shaft 3 and the fixed roller 4 to rotate, then the simulation ring 6 is made to rotate with the fixed roller 4 through the clamping block 7, since the outer wall of the simulation ring 6 is provided with a protrusion, some complex road conditions can be simulated, in addition, the driving plate 9 is driven to rotate in the inside of the positioning plate 8, so as to drive the clamping block 10 to rotate in the inside of the simulation ring 6, at the same time, the clamping block 10 drives one end of the torsional spring 11 to rotate, so that the torsional spring 11 is twisted, when the clamping block 10 rotates to a certain angle, the protrusions on both sides of the clamping block 10 are fitted with the pre-set through holes in the inside of the simulation ring 6, then the clamping block 10 can be pulled out from the inside of the simulation ring 6, so that the simulation ring 6 can be taken off, then different simulation rings 6 are replaced according to the requirement, when installing, first, the clamping block 7 on the inner wall of the simulation ring 6 is inserted into the limiting groove 5 on the outer wall of the fixed roller 4, so that the both ends of the simulation ring 6 are fitted, then the positioning plate 8 is pulled to drive the clamping block 10 on one end to move to the inside of the simulation ring 6 to cooperate with the torsion of the torsional spring 11, so as to drive the clamping block 10 to be clamped in the inside of the simulation ring 6 again, so as to realize fixation.

[0032] In addition, driving the buckle 24 can realize the fixation or release of the movable half ring 23, so as to facilitate the installation or replacement of the counterweight bar 25, then the cylinder 18 is started to drive the push plate 26 to push the pressure plate 20 to move upwards, then the electric guide rail 16 is started to drive the pressure plate 20 and the counterweight bar 25 to move above the trailer, then the cylinder 18 is retracted to press the pressure plate 20 on the trailer, then the motor 2 is continuously started to simulate the load bearing condition of the trailer under different weights.

[0033] Finally, it should be noted that: the above is only the preferred embodiment of the utility model, and is not used to limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced equivalently, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A bicycle trailer mass detection device comprising a fixed base (1), characterized in that: The bottom of the fixed base (1) is fixedly connected with a motor (2), the output end of the motor (2) is fixedly connected with a rotating shaft (3), the outer wall of the rotating shaft (3) is fixedly connected with a fixed roller (4), the outer wall of the fixed roller (4) is provided with an analog ring (6), the outer wall of the fixed roller (4) is provided with a limiting assembly, the limiting assembly is used for preventing the analog ring (6) from sliding randomly, the outer wall of the analog ring (6) is provided with a positioning plate (8), the inside of the positioning plate (8) is provided with a fixing assembly, the fixing assembly is used for fixing the analog ring (6) on the outer wall of the fixed roller (4); The fixing assembly comprises a driving plate (9), the outer wall of the driving plate (9) is rotatably connected in the inside of the positioning plate (8), the bottom of the positioning plate (8) is fixedly connected with a clamping block (10), the outer wall of the clamping block (10) is arranged in the inside of the analog ring (6), the outer wall of the driving plate (9) is sleeved with a torsion spring (11), one end of the torsion spring (11) is fixedly connected with the outer wall of the clamping block (10), the other end of the torsion spring (11) is fixedly connected with a limiting plate (12).

2. A mass detection device for a bicycle trailer as claimed in claim 1, wherein: The fixing assembly comprises a limiting groove (5), the limiting groove (5) is opened in the inside of the fixed roller (4), the inner wall of the analog ring (6) is fixedly connected with a clamping block (7).

3. A mass detection device for a bicycle trailer as claimed in claim 1, wherein: The upper surface of the fixed base (1) is fixedly connected with an electric guide rail (16), the output end of the electric guide rail (16) is fixedly connected with a moving base (17), the upper surface of the moving base (17) is fixedly connected with an air cylinder (18), the output end of the air cylinder (18) is fixedly connected with a push plate (26), the upper side of the push plate (26) is attached with a pressure bearing plate (20), the lower surface of the pressure bearing plate (20) is fixedly connected with a guide rod (19), the upper surface of the pressure bearing plate (20) is fixedly connected with a supporting clamp (21), the upper surface of the supporting clamp (21) is provided with a counterweight assembly, the counterweight assembly is used for exerting pressure on the trailer.

4. A bicycle trailer mass detection device according to claim 3, characterised in that: The counterweight assembly comprises a fixed half ring (22), the lower surface of the fixed half ring (22) is fixedly connected to the upper surface of the supporting clamp (21), the outer wall of the fixed half ring (22) is rotatably connected with a movable half ring (23) on one side, the outer wall of the fixed half ring (22) is fixedly connected with a buckle (24) on the other side, the fixed half ring (22) and the movable half ring (23) are provided with a counterweight lever (25) therebetween.

5. The mass detection device for a bicycle trailer according to claim 1, wherein: The upper surface of the fixed base (1) is fixedly connected with a fixed outer frame (13), the inside of the fixed outer frame (13) is slidably connected with a sliding column (14).

6. A mass detection device for a bicycle trailer as claimed in claim 5, wherein: The middle part of the sliding column (14) is provided with a fixed sleeve (15), the fixed sleeve (15) is used for fixing the outer wall of the trailer on one side.

7. The mass detection device for a bicycle trailer according to claim 1, wherein: The outer wall of the limiting plate (12) is fixedly connected in the inside of the positioning plate (8), the limiting plate (12) is used for fixing one end of the torsion spring (11).

8. A mass detection device for a bicycle trailer as claimed in claim 2, characterized in that: The outer wall of the clamping block (7) is slidably connected in the inside of the limiting groove (5), the clamping block (7) is used for limiting the rotation of the analog ring (6).

9. A mass detection device for a bicycle trailer as claimed in claim 4, characterized in that: The bottom of the guide rod (19) is fixedly connected to the upper surface of the moving base (17), and the guide rod (19) is used for guiding the movement of the pressure-bearing plate (20).

10. A mass detection device for a bicycle trailer as claimed in claim 4, characterized in that: The outer wall of the buckle (24) is fixedly connected to the outer wall of the movable half ring (23), and the buckle (24) is used for fixing and releasing the fixed half ring (22) and the movable half ring (23).

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