CN205157350U - Luggage Trolley Fatigue Tester - Google Patents

Abstract

The utility model discloses a fatigue resistance tester for luggage pull rods, which comprises a base, a frame connected with the base, a sliding part and a driving mechanism which are arranged on the frame, and a pull rod clamping mechanism connected with the sliding part; the sliding part can be arranged on the frame in a vertically sliding manner, and the driving mechanism is connected with the sliding part; the sliding part comprises a top plate, a bottom plate, a side plate for connecting the top plate and the bottom plate, two sliding plates and two spring guide rods; the side plates are positioned at one ends of the top plate and the bottom plate far away from the pull rod clamping mechanism; the sliding plates are respectively positioned at two sides of the side plate and are both connected with the frame in a sliding way; the spring guide rod is connected with the pull rod clamping mechanism in a sliding manner; two springs are sleeved on each spring guide rod and are respectively positioned on two sides of the pull rod clamping mechanism. The arrangement of the spring can avoid the driving mechanism for driving the pull rod clamping mechanism from being pulled and damaged due to overlarge reaction force of the luggage pull rod.

Description

Luggage Trolley Fatigue Tester

technical field

The utility model relates to the field of testing devices, in particular to a luggage pull rod fatigue resistance testing machine.

Background technique

Luggage is an essential tool for everyone to travel, and any quality problems during the use of luggage will bring a lot of unnecessary trouble to customers. Fatigue strength testing of luggage trolley is one of the key points in the field of luggage quality testing.

At present, most of the luggage rod fatigue strength testing equipment has complex structure, inconvenient clamping and low test efficiency, and the driving mechanism used to drive the pull rod clamping mechanism to drive the case rod to move up and down is prone to excessive reaction force on it due to the excessive reaction force of the case rod. And was strained.

Utility model content

The utility model provides a luggage pull rod fatigue resistance testing machine, which has a simple structure, convenient clamping and accurate test results.

The utility model provides a luggage pull rod fatigue resistance testing machine, which can prevent the driving mechanism used to drive the pull rod clamping mechanism from being strained due to excessive reaction force of the luggage pull rod.

In order to realize the purpose of the utility model, the utility model adopts the following technical solutions:

A luggage rod fatigue resistance testing machine, comprising a base, a frame connected to the base, a slider and a driving mechanism installed on the frame, and a rod clamping mechanism connected to the slider; The slider is slid on the frame, and the driving mechanism is connected with the slider; the slider includes a top plate, a bottom plate, a side plate connecting the top plate and the bottom plate, two slide plates and two spring guide rods ; the side plate is located at the end of the top plate and the bottom plate away from the pull rod clamping mechanism; the slide plates are respectively located on both sides of the side plate, and are slidably connected with the frame; the spring guide rod and The pull rod clamping mechanism is slidably connected; two springs are sheathed on each of the spring guide rods, and the springs are respectively located on both sides of the pull rod clamping mechanism.

In one embodiment, the driving mechanism includes a slider driving device connected to the slider, and a power device connected to the slider driving device.

In one of the embodiments, the slider driving device includes a first toothed pulley, a second toothed pulley located below the first toothed pulley, and the first toothed pulley and the A first belt to which the second toothed pulley cooperates; a first belt portion located between the first toothed pulley and the second toothed pulley is connected to the slider.

In one of the embodiments, the power device includes a power frame, a fixing plate for fixing the power frame on the frame, and a third toothed pulley and a motor arranged on the power frame; the The third toothed pulley and the motor are respectively located on both sides of the power frame; the third toothed pulley is connected to the first belt; the motor is connected to the third toothed pulley.

In one of the embodiments, the power device further includes a belt tensioning device arranged on the power frame; the belt tensioning device includes a fourth toothed pulley connected to the fourth toothed pulley The slider, and the handle threaded with the slider; the fourth toothed pulley is connected to the first belt transmission, and is located on the same side of the power frame as the third toothed pulley ; The power frame is provided with a power frame chute corresponding to the slider; the slider is slid in the power frame chute.

In one embodiment, the motor is connected to the third toothed pulley through a belt transmission assembly; the belt transmission assembly and the motor are located on the same side of the power frame.

In one of the embodiments, the belt drive assembly includes a fifth toothed pulley, a sixth toothed pulley, and a belt that is cooperatively connected with the fifth toothed pulley and the sixth toothed pulley. The second belt; the fifth toothed pulley is connected with the output shaft of the motor; the sixth toothed pulley is connected with the third toothed pulley through a rotating shaft passing through the power frame.

In one of the embodiments, the frame is provided with a slider motion limiting device; the slider motion limiting device includes an upper limit switch and a lower limit switch located below the upper limit switch; the upper limit switch The distance between the lower limit switch and the lower limit switch is smaller than the distance between the first toothed pulley and the second toothed pulley.

In one of the embodiments, the base is provided with limiting grooves for luggage rollers.

In one embodiment, at least one suspension ring is provided on the base.

The luggage pull rod fatigue resistance testing machine described in the utility model, compared with the prior art:

1. The fatigue resistance testing machine for luggage pull rods of the utility model has the advantages of simple and compact structure, convenient clamping, high testing efficiency and scientific and reasonable testing results.

2. In the utility model, two first springs are sheathed on each spring guide rod, and the two first springs are respectively located on both sides of the pull rod clamping mechanism. When the driving mechanism exerts force on the slider, the first spring The reaction force of the pull rod clamping mechanism to the driving mechanism can be buffered, so that the driving mechanism is not easy to be strained due to the excessive reaction force of the pull rod clamping mechanism to it.

Description of drawings

Fig. 1 is the schematic diagram of the three-dimensional structure of the luggage pull rod fatigue resistance testing machine described in the embodiment of the present invention;

Fig. 2 is a schematic diagram of the first orientation after the pull rod clamping mechanism is removed from the luggage rod fatigue tester shown in Fig. 1;

Figure 3 is an enlarged view of A in Figure 2;

Fig. 4 is a schematic diagram of the second orientation of the bag pull rod fatigue test mechanism without the pull rod clamping mechanism shown in Fig. 2;

Fig. 5 is a schematic diagram of the third position of the fatigue test mechanism of the luggage pull rod without the pull rod clamping mechanism shown in Fig. 2;

Fig. 6 is a schematic diagram of the fourth orientation of the luggage rod fatigue test mechanism without the rod clamping mechanism and the power device shown in Fig. 2;

Fig. 7 is a three-dimensional structural schematic diagram of the power device of the luggage rod fatigue testing machine shown in Fig. 1;

Fig. 8 is a schematic diagram of another orientation of the power device shown in Fig. 7 .

In the picture:

10. Base; 11. Hanging ring; 12. Limiting groove of luggage roller; 20. Frame; 30. Slider; 31. Top plate; 32. Bottom plate; 33. Side plate; 34. Skateboard; 35. Spring guide rod; 36 , spring; 40, pull rod clamping mechanism; 50, driving mechanism; 51, slider driving device; 511, first toothed pulley; 512, second toothed pulley; 513, first belt; 52, power device ; 53, power frame; 531, power frame chute; 54, fixed plate; 55, the third toothed pulley; 56, motor; 57, belt tightening device; 571, the fourth toothed pulley; 572, sliding Block; 573, handle; 58, belt transmission assembly; 581, the fifth toothed pulley; 582, the sixth toothed pulley; 583, the second belt; 60, the sliding part movement limit device; 61, the upper limit switch ; 62, the lower limit switch; 70, luggage; 71, luggage pull rod.

detailed description

In order to facilitate the understanding of the utility model, the utility model will be described more fully below with reference to the relevant drawings. Preferred embodiments of the utility model are provided in the accompanying drawings. However, the invention can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present utility model more thorough and comprehensive.

It should be noted that when an element is referred to as being “fixed” to another element, it can be directly on the other element or there can also be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.

As shown in Fig. 1, the present embodiment discloses a luggage pull rod fatigue resistance testing machine, which includes a base 10, a frame 20 connected to the base 10, a sliding part 30 and a driving mechanism 50 installed on the frame 20, and The pull rod clamping mechanism 40 connected with the slider 30; the slider 30 can be slidably installed on the frame 20 up and down, and the driving mechanism 50 is connected with the slider 30; the pull rod clamping mechanism 40 is used to clamp the luggage pull rod 71 and press down the luggage The button on the pull bar 71.

The base 10 is provided with a luggage roller limiting groove 12 . The case and bag roller limit groove 12 is used to limit the activity of the case and bag roller, so that the case and bag roller can not roll when the case and bag pull rod is stretched.

At least one suspension ring 11 is disposed on the base 10 . The setting of suspension ring 11 is convenient for the handling of the whole case and bag pull rod fatigue resistance testing machine.

As shown in Figure 2 and Figure 3, slide member 30 comprises top plate 31, bottom plate 32, and is used to connect the side plate 33 of top plate 31 and bottom plate 32, two slide plates 34 and two spring guide rods 35; Side plate 33 is positioned at top plate 31 and The bottom plate 32 is away from one end of the pull rod clamping mechanism 40; the slide plates 34 are respectively located on both sides of the side plate 33, and are all slidably connected with the frame 20; the spring guide rods 35 are slidably connected with the pull rod clamping mechanism 40; each spring guide rod 35 Two springs 36 are sheathed on the top, and the two springs 36 are respectively located on both sides of the pull rod clamping mechanism 40 for clamping the pull rod clamping mechanism 40 . By setting two springs 36 on each spring guide rod 35, and setting the springs 36 respectively on both sides of the pull rod clamping mechanism 40, when the driving mechanism 50 exerts force on the slider 30, the springs 36 can buffer the pull rod clamping mechanism 40 to the reaction force of the driving mechanism 50, so that the driving mechanism 50 is not easy to be strained due to the excessive reaction force of the pull rod clamping mechanism 40 to it, and prolongs the service life of the driving mechanism 50.

As shown in Figures 4 to 6, the driving mechanism 50 includes a slider driving device 51 connected to the slider 30 and a power device 52 connected to the slider driving device 51, and the power device 52 is used to drive the slider driving device 51 to drive the slide. Part 30 moves up and down.

The slider driving device 51 includes a first toothed pulley 511, a second toothed pulley 512 located below the first toothed pulley 511, and Cooperating first belt 513; the first belt part between the first toothed pulley 511 and the second toothed pulley 512 is connected with the slider 30 for driving the slider 30 to drive the pull rod clamping mechanism 40 at the second A toothed pulley 511 and a second toothed pulley 512 move up and down linearly; in this embodiment, the first belt 513 is connected to the side plate 33 of the slider 30 .

As shown in Figures 7 and 8, the power device 52 includes a power frame 53, a fixing plate 54 that fixes the power frame 53 on the frame 20, and a third toothed pulley 55 and a motor 56 that are arranged on the power frame 53; The third toothed pulley 55 and the motor 56 are located on both sides of the power frame 53 respectively; the third toothed pulley 55 is connected with the first belt 513 transmission; the motor 56 is connected with the third toothed pulley 55 for driving the first The three-toothed pulley 55 rotates. After the third toothed pulley 55 rotates, the first belt 513 can be driven to move, and the slider 30 connected with the first belt 513 can drive the pull rod clamping mechanism 40 on the frame 20 driven by the first belt 513 Do up and down motions.

The power unit 52 also includes a belt tensioner 57 arranged on the power frame 53, the belt tensioner 57 is used to tighten the first belt 513; the belt tensioner 57 includes a fourth toothed pulley 571, and a fourth tooth The slider 572 connected to the pulley 571, and the handle 573 threaded with the slider 572; the fourth toothed pulley 571 is connected with the first belt 513, and is located at the power frame 53 with the third toothed pulley 55 On the same side; the power frame 53 is provided with a power frame chute 531 corresponding to the slider 572; the slider 572 is set in the power frame chute 531 so as to slide up and down.

In this embodiment, the motor 56 is connected to the third toothed pulley 55 through a belt transmission assembly 58 for deceleration; the belt transmission assembly 58 and the motor 56 are located on the same side of the power frame 53 .

The belt drive assembly 58 includes a fifth toothed pulley 581, a sixth toothed pulley 582, and a second belt 583 that is connected to the fifth toothed pulley 581 and the sixth toothed pulley 582; The pulley 581 is connected to the output shaft of the motor 56; the sixth pulley 582 is connected to the third pulley 55 through a rotating shaft passing through the power frame 53. During work, the motor 56 drives the fifth toothed pulley 581 to rotate, the fifth toothed pulley 581 drives the sixth toothed pulley 582 to rotate through the second belt 583, and the sixth toothed pulley 582 drives the third toothed pulley through the rotating shaft. The toothed pulley 55 rotates, and the third toothed pulley 55 drives the first belt 513 to drive the slider 30 to move up and down.

The frame 20 is provided with a slider motion limiting device 60; the slider motion limiting device 60 includes an upper limit switch 61 and a lower limit switch 62 positioned below the upper limit switch 61; the upper limit switch 61 and the lower limit switch 62 The distance is smaller than the distance between the first toothed pulley 511 and the second toothed pulley 512 . By setting the distance between the upper limit switch 61 and the lower limit switch 62 less than the distance between the first toothed pulley 511 and the second toothed pulley 512, the slider 30 will only drive the pull rod clamping mechanism 40 at the second It moves between a toothed pulley 511 and a second toothed pulley 512 .

The working principle of the luggage pull rod fatigue resistance testing machine of the utility model is as follows: first, the luggage 70 is placed on the base 10, and the luggage rollers of the luggage 70 are placed in the luggage roller limit groove 12, and placed in the luggage 70. An object of a certain weight prevents the luggage 70 from being lifted when the luggage pull rod is stretched, and then clamps the luggage pull rod 71 by the pull rod clamping mechanism 40; then the pull rod clamping mechanism 40 presses the button switch on the luggage pull rod 71 After the button switch is pressed down, the drive mechanism 50 starts, and the drive mechanism 50 drives the slider 30 to drive the pull rod clamping mechanism 40 that has clamped the pull rod to rise, and now the luggage pull rod is stretched; when the slider 30 moves to the upper limit switch 61 position, the upper limit switch 61 is triggered, and the driving mechanism 50 drives the slider 30 to drive the pull rod clamping mechanism 40 to drive the luggage pull rod 71 to retract. When the slider 30 moves to the lower limit switch 62, the lower limit switch 62 is triggered. , the pull rod clamping mechanism 40 depresses the button switch on the luggage pull rod 71 again, and re-drives the slider 30 to move upward with the pull rod clamping mechanism 40, and repeats the cycle so as to achieve the test purpose; when the number of tests reaches the set number of times When the test stops.

The above-mentioned embodiment only expresses one implementation mode of the utility model, and its description is relatively specific and detailed, but it should not be understood as a limitation on the patent scope of the utility model. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the scope of protection of the utility model patent should be based on the appended claims.

Claims (10)

1. a case drawbar endurance test machine, is characterized in that, comprises pedestal, the framework be connected with described pedestal, the pull bar clamp system that is installed on sliding part on described framework and driving mechanism and is connected with described sliding part; Described sliding part is slidedly arranged on described framework, and described driving mechanism is connected with described sliding part; Described sliding part comprises top board, base plate, and connects the side plate of described top board and described base plate, two slide plates and two spring guides; Described side plate is positioned at described top board and base plate one end away from described pull bar clamp system; Described slide plate lays respectively at the both sides of described side plate, and is all slidably connected with described framework; Described spring guide is connected with described pull bar clutch mechanism slip; Each described spring guide is all arranged with two springs, and described spring lays respectively at the both sides of described pull bar clamp system.

2. case drawbar endurance test machine according to claim 1, is characterized in that, described driving mechanism comprises the sliding part drive unit be connected with described sliding part and the propulsion system be connected with described sliding part drive unit.

3. case drawbar endurance test machine according to claim 2, it is characterized in that, the first belt that described sliding part drive unit comprises the first profile of tooth belt wheel, is positioned at the second profile of tooth belt wheel below described first profile of tooth belt wheel and matches with described first profile of tooth belt wheel and the second profile of tooth belt wheel; The first belt part between described first profile of tooth belt wheel and the second profile of tooth belt wheel is connected with described sliding part.

4. case drawbar endurance test machine according to claim 3, is characterized in that, described propulsion system comprise power rack, described power rack are fixed on the fixed head on described framework and are arranged at the 3rd profile of tooth belt wheel and motor on described power rack; Described 3rd profile of tooth belt wheel and described motor lay respectively at the both sides of power rack; Described 3rd profile of tooth belt wheel is connected with described first belt gear; Described motor is connected with described 3rd profile of tooth belt wheel.

5. case drawbar endurance test machine according to claim 4, is characterized in that, described propulsion system also comprise the belt tightening device be arranged on described power rack; Described belt tightening device comprises the 4th profile of tooth belt wheel, the slide block be connected with described 4th profile of tooth belt wheel and the handle be threaded with described slide block; Described 4th profile of tooth belt wheel is connected with described first belt gear, and takes turns with described 3rd cog belt the same side being positioned at described power rack; On described power rack, corresponding described slide block arranges power rack chute; Described slide block is slidedly arranged in described power rack chute.

6. case drawbar endurance test machine according to claim 4, is characterized in that, described motor is connected by belt drive component with described 3rd profile of tooth belt wheel; Described belt drive component and described motor are positioned at the same side of described power rack.

7. case drawbar endurance test machine according to claim 6, it is characterized in that, described belt drive component comprises the 5th profile of tooth belt wheel, the 6th profile of tooth belt wheel and coordinates with described 5th profile of tooth belt wheel and described 6th profile of tooth belt wheel the second belt be in transmission connection; Described 5th profile of tooth belt wheel is connected with the output shaft of described motor; Described 6th profile of tooth belt wheel is connected by the rotating shaft that passes described power rack with described 3rd profile of tooth belt wheel.

8. case drawbar endurance test machine according to claim 3, is characterized in that, described framework is provided with sliding part sports limiting device; Described sliding part sports limiting device comprises upper limit position switch and is positioned at the lower position switch below described upper limit position switch; Distance between described upper limit position switch and described lower position switch is less than the distance between described first profile of tooth belt wheel and described second profile of tooth belt wheel.

9. case drawbar endurance test machine according to claim 1, is characterized in that, described pedestal is provided with roller for luggage stopper slot.

10. case drawbar endurance test machine according to claim 1, is characterized in that, described pedestal is provided with at least one suspension ring.