Luggage traveling wheel abrasion test equipment for simulating complex environment

Abstract

The invention provides luggage traveling wheel abrasion test equipment for simulating a complex environment, and relates to the field of traveling wheel abrasion tests, and the luggage traveling wheel abrasion test equipment comprises an equipment frame, a traveling wheel clamping structure and a pressing plate, the walking wheel clamping structure comprises a first clamping cylinder, a first clamping plate, an inserting column, a second clamping plate, a second clamping cylinder, a limiting baffle, a lower connecting plate, an upper connecting plate and a connecting rod. A reciprocating lead screw and a guide sliding rod are installed at the front end and the rear end of the upper portion of the inner side of the equipment frame correspondingly. The pressing plate is attached to the upper connecting plate, four sets of connecting guide rods are fixedly connected to the pressing plate, and the four sets of connecting guide rods slide upwards to penetrate out of the equipment frame. The pressure of the walking wheel in the walking abrasion test process can be changed, abrasion tests of the walking wheel under different pressures can be simulated, the walking wheel is driven to walk on the test plate while rotating, and abrasion tests on different types of test plates are tested. The problem that the abrasion test of the walking wheel under different pressures and different environments needs to be simulated is solved.

Description

Technical Field

[0001] The invention relates to the technical field of running wheel wear testing, and in particular to a luggage running wheel wear testing device simulating a complex environment. Background Art

[0002] Luggage and bags will experience various bumps, vibrations and different walking environments during actual use. In order to improve the mobility of luggage and bags, many trolley bags and trolley cases are equipped with universal wheels at the bottom. However, the use of luggage and bags needs to be based on a certain load capacity. Therefore, the walking wear test of the running wheels at the bottom of the luggage and bags has become one of the key factors in evaluating the quality of luggage and bags. As the application number is: CN202210382036.5, a luggage and bag walking wheel wear test equipment suitable for simulating complex application environments is disclosed, including a body, the road condition simulation mechanism includes a transmission belt, the transmission belt is used to carry the luggage and bags and allow the rollers at the bottom of the luggage and bags to roll, and the walking mechanism includes a fixed frame that can be guided and moved along the length direction of the body, and the fixed frame can drive the luggage to move above the transmission belt. The present invention places a bag in a fixing frame, moves the fixing frame to move the bag to the lower end of a limiting frame at different positions, and utilizes projections of different thicknesses at the lower end of the limiting frame to change the pressing force of a pressure rod on the bag, so as to test the wear of a roller under pressure of different forces when a transmission belt is transmitting.

[0003] At present, the testing of luggage wheels is mostly limited to a single condition. Considering the weight differences of items loaded in luggage and the diversity of walking environments, it is necessary to simulate the wear tests of the wheels under different pressures and different environmental conditions. Such tests can not only more accurately reflect the performance of luggage wheels in actual use, but are also an important part of ensuring the quality of luggage and improving user experience. Summary of the invention

[0004] In order to solve the problems in the background technology, the present invention provides a wear test equipment for luggage walking wheels in a simulated complex environment, which can change the pressure of the walking wheels during the walking wear test, simulate the wear test of the walking wheels under different pressures, and drive the walking wheels to rotate and move on the test board to test the wear on different models of test boards.

[0005] The present invention provides a luggage travel wheel wear test device in a simulated complex environment, which specifically includes: a device frame, a travel wheel clamping structure and a pressing plate; The inner bottom end of the equipment frame is provided with three groups of cavities, and the upper ends of the cavities are respectively provided with support frames, and the test boards are installed by supporting the support frames; The walking wheel clamping structure includes a first clamping cylinder, a first clamping plate, a plug post, a second clamping plate, a second clamping cylinder, a limit baffle, a lower connecting plate, an upper connecting plate and a connecting rod; The inner end of the first cartridge is provided with a first clamping plate, and the outer end of the first cartridge is provided with a concave ring clamping groove 1, the first cartridge is rotatably clamped on the lower connecting plate through the concave ring clamping groove 1, the inner end of the second cartridge is provided with a limit baffle, and one end of the second cartridge that is close to the limit baffle is provided with a concave ring clamping groove 2, the second cartridge is also rotatably clamped on the lower connecting plate through the concave ring clamping groove 2, the second clamping plate is installed on the plug column, and the outer end of the plug column is slidably inserted in the second cartridge, the lower connecting plate is an inverted L-shaped structure, and the connecting rod slides from bottom to top through the upper ends of the two groups of lower connecting plates respectively, is provided with a buffer spring, and passes through the outer end of the upper connecting plate and is fixed by a nut; A reciprocating screw and a guide slide rod are installed at the front and rear ends of the upper inner side of the equipment frame, and the two ends of the reciprocating screw and the guide slide rod are respectively inserted into the bearing seat, the bearing seat is fixedly connected to the inner wall of the equipment frame, the reciprocating screw is meshed with a slider, and the guide slide rod is slidably mounted with a guide cylinder; The pressing plate is arranged at the inner upper end of the equipment frame and attached to the upper connecting plate. Four groups of connecting guide rods are fixedly connected to the pressing plate. The four groups of connecting guide rods slide upward and pass through the equipment frame respectively and are covered with reset springs.

[0006] Furthermore, the test plates are divided into three groups of different models, which are, from right to left, a horizontal wear test plate, a wear test plate with strip-shaped protrusions, and a wear test plate with frustum protrusions.

[0007] Furthermore, optical axis structures are respectively provided at both ends of the reciprocating screw, and a first drive motor at one end of the top of the equipment frame is connected to the optical axis structure at one end of the reciprocating screw through a transmission belt.

[0008] Furthermore, a circle of conical clamping spikes is respectively provided on the opposite surfaces of the first clamping plate and the second clamping plate.

[0009] Furthermore, one end of the plug post inserted in the second cartridge is provided with a strip groove aligned with each other in the upper and lower ends, and the positioning posts at the upper and lower ends of the inner side of the limiting baffle are respectively inserted into the strip groove.

[0010] Furthermore, the plug post is also provided with a clamping spring, which is arranged between the second clamping plate and the limit baffle, and the inner end of the plug post is inserted into the first cartridge.

[0011] Furthermore, the top of the upper connecting plate is also connected to four groups of U-shaped frames, which are arranged opposite to each other in pairs, and the U-shaped frames are respectively provided with two groups of opposing bar holes, and the connecting plates on the outside of the slider and the guide cylinder are respectively inserted into the two groups of opposing U-shaped frames, and are connected to the through holes on the connecting plates by bolts passing through the bar holes.

[0012] Furthermore, a second driving motor is installed on the upper connecting plate, and the second driving motor is connected to the connecting shaft at the outer end of the second cartridge through a transmission belt.

[0013] Furthermore, the four groups of connecting guide rods are respectively inlaid with scales.

[0014] Furthermore, two groups of threaded barrels are inlaid on the top of the equipment frame, and threaded adjustment rods are respectively connected to the two groups of threaded barrels through threads, and the lower ends of the threaded adjustment rods are attached to the pressure plate.

[0015] The present invention provides a luggage travel wheel wear test device simulating a complex environment, which has the following beneficial effects: The present invention can change the pressure of the walking wheel during the walking wear test, simulate the wear test of the walking wheel under different pressures, and test the wear test on test boards of different models by driving the walking wheel to rotate while moving on the test board.

[0016] In addition, by providing a walking wheel clamping structure, it is convenient to clamp the walking wheel to be tested between the first clamping plate and the second clamping plate, and drive the walking wheel to rotate through the second drive motor to test the wear of the walking wheel on the horizontal wear test plate.

[0017] In addition, by setting a pressure plate, using the scale on the connecting guide rod and by simultaneously rotating two sets of threaded adjustment rods, the pressure plate is pushed downward, and the pressure is transmitted to the walking wheel through the upper connecting plate, buffer spring and lower connecting plate, thereby changing the pressure of the walking wheel during the walking wear test, thereby simulating the walking wear test of the walking wheel under different pressures.

[0018] In addition, the first drive motor can be used to drive the reciprocating screw to drive the slider to slide back and forth on the reciprocating screw, and then the walking wheel can be pushed to rotate and move on the three sets of test plates through the walking wheel clamping structure. The friction between the walking wheel and the three sets of test plates can be used to test the wear of the walking wheel on different types of test plates, simulating the walking wear test of the walking wheel in a bumpy state and when encountering stones. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0020] The drawings described below are only related to some embodiments of the present invention, but are not intended to limit the present invention.

[0021] In the attached picture: Figure 1 A schematic diagram showing the overall structure of the present invention; Figure 2 The present invention shows Figure 1The enlarged structural diagram at A in the middle; Figure 3 The present invention shows Figure 1 Schematic diagram of the mid-side tilt structure; Figure 4 The present invention shows Figure 1 Middle front structural diagram; Figure 5 The present invention shows Figure 1 The schematic diagram of the structure when the two groups of test boards are taken out upwards; Figure 6 A schematic diagram of the structure when the slider and the guide cylinder are removed from the U-shaped frame of the walking wheel clamping structure in the present invention is shown; Figure 7 The present invention shows Figure 6 Schematic diagram of the side structure when the middle traveling wheel is removed; Figure 8 The present invention shows Figure 7 A schematic structural diagram of a vertical section of the first cartridge, the first clamping plate, the second cartridge and one end of the limit baffle; Fig. 9 The schematic diagram of the structure of the first cartridge, the first clamping plate, the plug post, the second clamping plate, the second cartridge and the limit baffle in the present invention is shown; Fig.10 A schematic diagram of the side structure of the second cartridge and the limit baffle in the present invention is shown.

[0022] Reference numerals list 1. Equipment frame; 101. Cavity; 1011. Support frame; 102. Test plate; 103. Reciprocating screw; 1031. Sliding block; 104. Guide slide bar; 1041. Guide cylinder; 105. Threaded cylinder; 106. First driving motor; 2. Walking wheel clamping structure; 201. First clamping cylinder; 2011. Concave ring clamping groove 1; 202. First clamping plate; 203. Insertion column; 2031. Strip groove; 2032. Clamping spring; 204. Second clamping plate; 205. Second clamping cylinder; 2051. Concave ring clamping groove 2; 2052. Connecting shaft; 206. Limit baffle; 2061. Clamping column; 207. Lower connecting plate; 208. Upper connecting plate; 2081. U-shaped frame; 2082. Second driving motor; 209. Connecting rod; 2091. Buffer spring; 3. Pressing plate; 301. Connecting guide rod; 3011. Return spring; 302. Threaded adjusting rod. DETAILED DESCRIPTION

[0023] In order to make the purpose, scheme and advantages of the technical solution of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described in conjunction with the drawings of the specific embodiments of the present invention. Unless otherwise specified, the terms used herein have the usual meanings in the art. The same reference numerals in the drawings represent the same components.

[0024] Example 1: Please refer to Figures 1 to 10 : The present invention proposes a luggage travel wheel wear test device for simulating a complex environment, comprising: a device frame 1, a travel wheel clamping structure 2 and a pressing plate 3; The inner bottom end of the equipment frame 1 is provided with three groups of cavities 101, and the upper ends of the cavities 101 are respectively provided with support frames 1011, and the test board 102 is supported and installed by the support frames 1011; The walking wheel clamping structure 2 includes a first clamping cylinder 201, a first clamping plate 202, a plug post 203, a second clamping plate 204, a second clamping cylinder 205, a limit baffle 206, a lower connecting plate 207, an upper connecting plate 208 and a connecting rod 209; The inner end of the first cartridge 201 is provided with a first clamping plate 202, and the outer end of the first cartridge 201 is provided with a concave ring groove 1 2011, the first cartridge 201 is rotatably clamped on the lower connecting plate 207 through the concave ring groove 1 2011, the inner end of the second cartridge 205 is provided with a limit baffle 206, and the end of the second cartridge 205 that is close to the limit baffle 206 is provided with a concave ring groove 2051, the second cartridge 205 is also rotatably clamped on the lower connecting plate 207 through the concave ring groove 2051, the second clamping plate 204 is installed on the plug column 203, and the outer end of the plug column 203 is slidably inserted in the second cartridge 205, the lower connecting plate 207 is an inverted L-shaped structure, and the connecting rod 209 slides from bottom to top through the upper ends of the two groups of lower connecting plates 207, is provided with a buffer spring 2091, and passes through the outer end of the upper connecting plate 208 and is fixed by a nut; A reciprocating screw 103 and a guide slide bar 104 are respectively installed at the front and rear ends of the inner upper part of the equipment frame 1, and the two ends of the reciprocating screw 103 and the guide slide bar 104 are respectively inserted into the bearing seat, and the bearing seat is fixedly connected to the inner wall of the equipment frame 1. A slider 1031 is meshingly sleeved on the reciprocating screw 103, and a guide cylinder 1041 is slidably sleeved on the guide slide bar 104; The pressure plate 3 is arranged at the inner upper end of the equipment frame 1 and is attached to the upper connecting plate 208. Four groups of connecting guide rods 301 are fixedly connected to the pressure plate 3. The four groups of connecting guide rods 301 slide upward and pass through the equipment frame 1 respectively, and are equipped with return springs 3011.

[0025] In the embodiment of the present invention, Figures 7 to 10As shown, one end of the plug post 203 inserted in the second cartridge 205 is provided with a groove 2031 aligned with the upper and lower sides, and the clamping posts 2061 at the upper and lower ends of the inner side of the limit baffle 206 are respectively inserted into the groove 2031, and the plug post 203 is also provided with a clamping spring 2032, which is arranged between the second clamping plate 204 and the limit baffle 206, and the inner end of the plug post 203 is inserted into the first cartridge 201, and a circle of cones are respectively provided on the opposite surfaces of the first clamping plate 202 and the second clamping plate 204. When the running wheel to be tested needs to be installed between the first clamping plate 202 and the second clamping plate 204, pull the second clamping plate 204 toward the side of the limit baffle 206 to pull the inner end of the plug post 203 out of the first cartridge 201, and then insert the running wheel to be tested onto the inner end of the plug post 203, and use the clamping spring 2032 and a circle of conical clamping spikes on the first clamping plate 202 and the second clamping plate 204 to clamp the running wheel between the first clamping plate 202 and the second clamping plate 204.

[0026] In the embodiment of the present invention, Figures 6 to 8 As shown, a second drive motor 2082 is also installed on the upper connecting plate 208, and the second drive motor 2082 is connected to the connecting shaft 2052 at the outer end of the second cartridge 205 through a transmission belt. The second drive motor 2082 drives the connecting shaft 2052 and the second cartridge 205 to rotate, and drives the insertion column 203 to rotate through the positioning column 2061, and then drives the walking wheel to rotate through the second clamping plate 204 and a circle of conical clamping spikes on the first clamping plate 202.

[0027] In the embodiment of the present invention, Figure 1 and Figure 2 As shown, four groups of U-shaped frames 2081 are also connected to the top of the upper connecting plate 208. The four groups of U-shaped frames 2081 are arranged opposite to each other in pairs, and two groups of opposing bar holes are respectively provided on the U-shaped frames 2081. The connecting plates on the outer sides of the slider 1031 and the guide cylinder 1041 are respectively inserted into the two groups of opposite U-shaped frames 2081, and are connected to the through holes on the connecting plates through bolts passing through the bar holes. When the pressure plate 3 presses the upper connecting plate 208 downward, the slider 1031 and the guide cylinder 1041 can move in the U-shaped frame 2081 to keep the height unchanged. When the slider 1031 slides back and forth on the reciprocating screw 103, the U-shaped frame 2081 can be used to push the walking wheel clamping structure 2 and the walking wheel to move back and forth.

[0028] In the embodiment of the present invention, Figures 1 to 4As shown, the four groups of connecting guide rods 301 are respectively inlaid with scales, and the top of the equipment frame 1 is also inlaid with two groups of threaded tubes 105, and the two groups of threaded tubes 105 are respectively connected with threaded adjusting rods 302 through threads, and the lower ends of the threaded adjusting rods 302 are attached to the pressure plate 3. By using the scales on the connecting guide rods 301 and by rotating the two groups of threaded adjusting rods 302 at the same time, the pressure plate 3 is pushed downward, and the pressure is transmitted to the walking wheel through the upper connecting plate 208, the buffer spring 2091 and the lower connecting plate 207, so as to change the pressure of the walking wheel during the walking wear test and simulate the walking wear test of the walking wheel under different pressures.

[0029] In the embodiment of the present invention, Figure 1 and Figure 4 As shown, optical axis structures are respectively provided at both ends of the reciprocating screw 103, and the first drive motor 106 at one end of the top of the equipment frame 1 is connected to the optical axis structure at one end of the reciprocating screw 103 through a transmission belt, and the reciprocating screw 103 is driven by the first drive motor 106, driving the slider 1031 to slide back and forth on the reciprocating screw 103, and the walking wheel clamping structure 2 pushes the walking wheel to rotate and move on the three sets of test plates 102.

[0030] In the embodiment of the present invention, Figure 1 and Figure 5 As shown, the test plates 102 are divided into three groups of different models, which are, from right to left, a horizontal wear test plate, a wear test plate with strip-shaped protrusions, and a wear test plate with frustum protrusions. The friction between the walking wheels and the three groups of test plates 102 is utilized to test the wear of the walking wheels on the test plates 102 of different models, thereby simulating the walking wear test of the walking wheels in a bumpy state and when encountering stones.

[0031] Specific usage and function of this embodiment: In the present invention, First, pull the second clamping plate 204 toward the side of the limit baffle 206 to pull the inner end of the plug post 203 out of the first cartridge 201, then insert the running wheel to be tested into the inner end of the plug post 203, and clamp the running wheel between the first clamping plate 202 and the second clamping plate 204 by using the clamping spring 2032 and a circle of conical clamping spikes on the first clamping plate 202 and the second clamping plate 204; The connecting shaft 2052 and the second cartridge 205 are driven to rotate by the second driving motor 2082, and the plug column 203 is driven to rotate by the clamping column 2061, and then the second clamping plate 204 and a circle of conical clamping spikes on the first clamping plate 202 are used to drive the running wheel to rotate, and the running wear test of the running wheel on the horizontal wear test plate is tested; Secondly, by using the scale on the connecting guide rod 301 and rotating the two sets of threaded adjustment rods 302 at the same time, the pressing plate 3 is pushed downward, and the pressure is transmitted to the running wheel through the upper connecting plate 208, the buffer spring 2091 and the lower connecting plate 207, so as to change the pressure of the running wheel during the running wear test and simulate the running wear test of the running wheel under different pressures; The reciprocating screw 103 is driven by the first driving motor 106, which drives the slider 1031 to slide back and forth on the reciprocating screw 103. The walking wheel is pushed by the walking wheel clamping structure 2 to rotate and move on the three groups of test plates 102. The friction between the walking wheel and the three groups of test plates 102 is used to test the wear of the walking wheel on different types of test plates 102, thereby simulating the walking wear test of the walking wheel in a bumpy state and when encountering stones.

[0032] In this article, there are a few points to note: 1. The drawings of the embodiments of the present invention only involve structures related to the embodiments of the present invention, and other structures can refer to the general design.

[0033] 2. In the absence of conflict, the embodiments of the present invention and the features therein may be combined with each other to obtain new embodiments.

[0034] The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A luggage travel wheel wear test device simulating a complex environment, comprising: Equipment frame (1), walking wheel clamping structure (2) and pressing plate (3); The device frame (1) is characterized in that three groups of cavities (101) are provided at the inner bottom end, and support frames (1011) are provided at the upper ends of the cavities (101), and a test board (102) is supported and installed by the support frames (1011); The walking wheel clamping structure (2) comprises a first clamping cylinder (201), a first clamping plate (202), a plug post (203), a second clamping plate (204), a second clamping cylinder (205), a limit baffle (206), a lower connecting plate (207), an upper connecting plate (208) and a connecting rod (209); The first cartridge (201) is provided with a first clamping plate (202) at the inner end thereof, and a concave ring clamping groove 1 (2011) is provided at the outer end thereof; the first cartridge (201) is rotatably clamped on the lower connecting plate (207) via the concave ring clamping groove 1 (2011); the second cartridge (205) is provided with a limit baffle (206) at the inner end thereof, and a concave ring clamping groove 2 (2051) is provided at one end of the second cartridge (205) that is in close contact with the limit baffle (206); the second cartridge (205) is also rotatably clamped on the lower connecting plate (207) via the concave ring clamping groove 2 (2051); a second clamping plate (204) is installed on the plug post (203), and the outer end of the plug post (203) is slidably inserted into the second cartridge (205); The lower connecting plate (207) is an inverted L-shaped structure, and the connecting rod (209) slides from bottom to top through the upper ends of the two groups of lower connecting plates (207), is sleeved with a buffer spring (2091), and passes through the outer end of the upper connecting plate (208) and is fixed by a nut; A reciprocating screw (103) and a guide slide bar (104) are respectively installed at the front and rear ends of the inner upper part of the equipment frame (1), and the two ends of the reciprocating screw (103) and the guide slide bar (104) are respectively inserted into the bearing seat, the bearing seat is fixedly connected to the inner wall of the equipment frame (1), the reciprocating screw (103) is meshingly sleeved with a slider (1031), and the guide slide bar (104) is slidingly sleeved with a guide cylinder (1041); The pressing plate (3) is arranged at the inner upper end of the equipment frame (1) and is attached to the upper connecting plate (208). Four groups of connecting guide rods (301) are fixedly connected to the pressing plate (3). The four groups of connecting guide rods (301) slide upward and pass through the equipment frame (1) respectively and are provided with return springs (3011).

2. According to the abrasion test equipment for luggage wheels in a simulated complex environment as described in claim 1, it is characterized by: The test plates (102) are divided into three groups of different models, which are, from right to left, a horizontal wear test plate, a wear test plate with strip-shaped protrusions, and a wear test plate with frustum-shaped protrusions.

3. The luggage wheel wear test equipment simulating a complex environment according to claim 1, characterized in that: Optical axis structures are respectively provided at both ends of the reciprocating screw (103), and a first driving motor (106) at one end of the top of the equipment frame (1) is connected to the optical axis structure at one end of the reciprocating screw (103) via a transmission belt.

4. The luggage wheel wear test equipment simulating a complex environment according to claim 1, characterized in that: A circle of conical clamping spikes is respectively provided on the opposing surfaces of the first clamping plate (202) and the second clamping plate (204).

5. The luggage travel wheel wear test equipment simulating a complex environment according to claim 1, characterized in that: One end of the plug post (203) inserted into the second cartridge (205) is provided with a vertically aligned groove (2031), and the locking posts (2061) at the upper and lower ends of the inner side of the limiting baffle (206) are respectively locked into the groove (2031).

6. The luggage travel wheel wear test equipment in a simulated complex environment according to claim 5, characterized in that: The insert column (203) is also provided with a clamping spring (2032), which is arranged between the second clamping plate (204) and the limit baffle (206), and the inner end of the insert column (203) is inserted into the first cartridge (201).

7. The luggage wheel wear test equipment simulating a complex environment according to claim 1, characterized in that: The top end of the upper connecting plate (208) is further connected to four groups of U-shaped frames (2081), which are arranged opposite to each other in pairs, and the U-shaped frames (2081) are respectively provided with two groups of opposing bar holes, and the connecting plates on the outer sides of the slider (1031) and the guide cylinder (1041) are respectively inserted into the two groups of opposing U-shaped frames (2081), and are connected to the through holes on the connecting plates by bolts passing through the bar holes.

8. The luggage wheel wear test equipment simulating a complex environment according to claim 7, characterized in that: A second drive motor (2082) is also mounted on the upper connecting plate (208), and the second drive motor (2082) is connected to a connecting shaft (2052) at the outer end of the second cartridge (205) via a transmission belt.

9. The luggage wheel wear test equipment simulating a complex environment according to claim 1, characterized in that: The four groups of connecting guide rods (301) are also respectively inlaid with scales.

10. The luggage wheel wear test equipment simulating a complex environment according to claim 1, characterized in that: Two groups of threaded barrels (105) are also inlaid on the top of the equipment frame (1), and threaded adjustment rods (302) are respectively connected to the two groups of threaded barrels (105) through threads, and the lower ends of the threaded adjustment rods (302) are attached to the pressure plate (3).

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