Fatigue test device for hanging seat

Abstract

The utility model discloses a hanging chair fatigue test device, which relates to the technical field of hanging chair test and comprises a test frame, a driving mechanism and a load mechanism. The test frame is arranged on a fixed surface; the driving mechanism is arranged on the testing frame, is used for being connected with the hanging seat and can drive the hanging seat to vertically and upwards reciprocate; the load mechanism is used for being connected with the hanging seat and can apply a vertical load to the hanging seat. The utility model provides a fatigue test device for a hanging chair, which meets the requirement of carrying out an up-down vibration fatigue test on the hanging chair.

Description

Technical Field

[0001] The utility model relates to the technical field of hanging chair testing, in particular to a hanging chair fatigue testing device. Background Art

[0002] A chair suspension is a commonly used equipment in the field of passenger ropeway technology. The chair suspension will swing up and down during use. Therefore, in order to ensure safety of use, the chair suspension needs to undergo an up and down vibration fatigue test before leaving the factory to ensure that the chair suspension has a sufficient service life. However, current seat tests are usually impact fatigue tests, such as the vehicle seat fatigue test workbench provided by patent CN103822771B, which performs fatigue tests on the seats by impacting them with a cylinder, but cannot perform up and down vibration fatigue tests on the chair suspension. Therefore, there is a lack of a device on the market that can perform up and down vibration fatigue tests on chair suspensions. Utility Model Content

[0003] The utility model aims to provide a fatigue test device for a hanging chair, so as to solve the problems existing in the above-mentioned prior art and meet the demand for performing up and down vibration fatigue test on the hanging chair.

[0004] To achieve the above purpose, the utility model provides the following solutions:

[0005] The utility model provides a fatigue test device for a hanging chair, comprising a test frame, a driving mechanism and a load mechanism; the test frame is used to be placed on a fixed surface; the driving mechanism is arranged on the test frame, used to be connected with the hanging chair, and can drive the hanging chair to reciprocate vertically; the load mechanism is used to be connected with the hanging chair, and can apply a vertical load to the hanging chair.

[0006] Preferably, the driving mechanism includes a power component, a connecting rope, a pulley and a suspension rod; the pulley is rotatably connected to the upper part of the test frame, the connecting rope is laid on the pulley, both ends of the connecting rope are located on both sides of the pulley, and one end is connected to the power component, and the other end is connected to the suspension rod, and the suspension rod is used to be fixedly connected to the hanging chair; the power component is used to drive the connecting rope to produce vertical displacement and drive the hanging chair to reciprocate vertically through the suspension rod.

[0007] Preferably, the power component includes a motor and a crank shaft, the output end of the motor is connected to the crank shaft through a coupling, the crank shaft is connected to the connecting rope, and the motor is used to drive the crank shaft to move eccentrically and drive the connecting rope to reciprocate vertically.

[0008] Preferably, the connecting rope is configured as a steel wire rope; and the suspension rod is configured as a metal hollow rod.

[0009] Preferably, the load mechanism is configured as an elastic component, the upper end of the elastic component is used to be connected to the hanging chair, and the lower end is used to be connected to the fixed surface; the elastic component can undergo elastic deformation and is used to apply a vertical load to the hanging chair.

[0010] Preferably, the load mechanism is configured as an elastic component, the upper end of the elastic component is used to be connected to the hanging chair, and the lower end is used to be connected to the fixed surface; the elastic component can undergo elastic deformation and is used to apply a vertical load to the hanging chair.

[0011] Preferably, both ends of each of the springs are detachably connected to the upper connecting plate and the lower connecting plate.

[0012] Preferably, two ends of each of the springs are hooked to the upper connecting plate and the lower connecting plate respectively.

[0013] Compared with the prior art, the utility model has achieved the following technical effects:

[0014] The utility model provides a hanging chair fatigue test device, which first places the test frame on a fixed surface, and then drives the hanging chair to vertically reciprocate through a driving mechanism to simulate the up and down vibration of the hanging chair during operation, and applies a vertical load to the hanging chair through a load mechanism to simulate the load received by the hanging chair during operation, thereby meeting the needs of performing up and down vibration fatigue tests on the hanging chair. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 This is an axial schematic diagram of the fatigue test device for the hanging chair provided in Example 1 (without the connecting rope);

[0017] Figure 2 A front view schematic diagram of the fatigue test device for the hanging chair provided in Example 1 (without the connecting rope);

[0018] Figure 3 This is a side view schematic diagram of the hanging chair fatigue test device provided in Example 1.

[0019] Icon: 100-hanging chair fatigue test device; 10-test frame; 20-driving mechanism; 21-power component; 22-connecting rope; 23-pulley; 24-suspender rod; 30-load mechanism; 31-elastic component; 311-upper connecting plate; 312-lower connecting plate; 313-spring; 200-hanging chair. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] The utility model aims to provide a fatigue test device for a hanging chair, so as to solve the problems existing in the above-mentioned prior art and meet the demand for performing up and down vibration fatigue test on the hanging chair.

[0022] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0023] Embodiment 1

[0024] This embodiment provides a hanging chair fatigue test device 100, see Figure 1-Figure 3 , including a test frame 10, a driving mechanism 20 and a load mechanism 30; the test frame 10 is used to be placed on a fixed surface; the driving mechanism 20 is arranged on the test frame 10, used to connect with the hanging chair 200, and can drive the hanging chair 200 to reciprocate vertically; the load mechanism 30 is used to connect with the hanging chair 200, and can apply a vertical load to the hanging chair 200.

[0025] First, place the test frame 10 on a fixed surface such as the ground, and then drive the hanging chair 200 to reciprocate vertically through the driving mechanism 20 to simulate the up and down vibration of the hanging chair 200 during operation, and apply a vertical load to the hanging chair 200 through the load mechanism 30 to simulate the load received by the hanging chair 200 during operation, so as to meet the needs of up and down vibration fatigue testing of the hanging chair 200.

[0026] In the optional scheme of this embodiment, it is more preferred that the driving mechanism 20 includes a power component 21, a connecting rope 22, a pulley 23 and a suspension rod 24; the pulley 23 is rotatably connected to the upper part of the test frame 10, the connecting rope 22 is laid on the pulley 23, the two ends of the connecting rope 22 are located on both sides of the pulley 23, and one end is connected to the power component 21, and the other end is connected to the suspension rod 24, and the suspension rod 24 is used to be fixedly connected to the hanging chair 200; the power component 21 is used to drive the connecting rope 22 to produce vertical displacement and drive the hanging chair 200 to reciprocate vertically through the suspension rod 24; the suspension rod 24 is driven to move vertically by the connecting rope 22, and then the suspension rod 24 drives the hanging chair 200 to reciprocate vertically, and the pulley 23 is set to reduce friction; specifically, the connecting rope 22 is tied and connected to the upper end of the suspension rod 24, and the lower end of the suspension rod 24 can be fastened to the hanging chair 200 by bolts, wherein the suspension rod 24 is set to be L-shaped to simulate the actual use of the hanging chair 200.

[0027] In the optional scheme of this embodiment, it is more preferred that the power component 21 includes a motor and a crank shaft, the output end of the motor is connected to the crank shaft through a coupling, the crank shaft is connected to the connecting rope 22, the motor is used to drive the crank shaft to move eccentrically and drive the connecting rope 22 to reciprocate vertically; the motor rotates in both directions, driving the crank shaft to move eccentrically, thereby driving the connecting rope 22 to produce vertical reciprocating displacement; in addition, the power component 21 can also be set to other components, such as an electric telescopic mechanism, as long as it can drive the connecting rope 22 to produce vertical displacement.

[0028] In the optional scheme of this embodiment, it is more preferred that the connecting rope 22 is set as a steel wire rope to ensure the service life; the suspension rod 24 is set as a metal hollow rod to meet the lightweight requirements.

[0029] In the optional scheme of this embodiment, it is more preferred that the load mechanism 30 is set as an elastic component 31, the upper end of the elastic component 31 is used to connect to the hanging chair 200, and the lower end is used to connect to the fixed surface; the elastic component 31 can undergo elastic deformation and be used to apply a vertical load to the hanging chair 200; by setting up the elastic component 31, it is possible to provide the hanging chair 200 with a vertical load, and during the up and down vibration of the hanging chair 200, the elastic deformation of the elastic component 31 itself can also support the up and down vibration of the hanging chair 200, thereby better simulating the up and down shaking of the hanging chair 200 during operation.

[0030] Among the optional solutions of this embodiment, it is more preferred to refer to Figure 2The elastic component 31 includes an upper connecting plate 311, a lower connecting plate 312 and a plurality of springs 313. The upper connecting plate 311 is used to be fixedly connected to the lower end of the hanging chair 200, and the lower connecting plate 312 is used to be fixedly connected to a fixed surface. The plurality of springs 313 are arranged side by side between the upper connecting plate 311 and the lower connecting plate 312, and both ends of each spring 313 are respectively connected to the upper connecting plate 311 and the lower connecting plate 312; specifically, the upper connecting plate 311 is connected to the lower end of the hanging chair 200 by bolt fasteners, and the lower connecting plate 312 is connected to the ground by bolt fasteners. The springs 313 provide vertical loads and support up and down vibrations.

[0031] In the optional scheme of this embodiment, it is more preferred that both ends of each spring 313 can be detachably connected to the upper connecting plate 311 and the lower connecting plate 312, and a detachable connection method is provided, so that the number of springs 313 can be adjusted. By adjusting the springs 313, the size of the vertical load on the hanging chair 200 can be adjusted to simulate the fatigue test of the hanging chair 200 under different load conditions.

[0032] In the optional solutions of this embodiment, it is more preferred that both ends of each spring 313 are hooked to the upper connecting plate 311 and the lower connecting plate 312 respectively, and the hooking method is convenient for operation.

[0033] The present invention uses specific examples to illustrate the principle and implementation of the present invention. The above examples are only used to help understand the method and core idea of ​​the present invention. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A hanging chair fatigue test device, characterized in that: include: A test stand (10) for being placed on a fixed surface; A driving mechanism (20) is arranged on the test frame (10), and is used to be connected to the hanging chair (200), and is capable of driving the hanging chair (200) to reciprocate vertically; and The load mechanism (30) is used to be connected to the hanging chair (200) and is capable of applying a vertical load to the hanging chair (200).

2. The hanging chair fatigue test device according to claim 1, characterized in that: The driving mechanism (20) comprises a power component (21), a connecting rope (22), a pulley (23) and a suspension rod (24); the pulley (23) is rotatably connected to the upper part of the test frame (10), the connecting rope (22) is laid on the pulley (23), the two ends of the connecting rope (22) are located on both sides of the pulley (23), and one end is connected to the power component (21), and the other end is connected to the suspension rod (24), and the suspension rod (24) is used to be fixedly connected to the hanging chair (200); the power component (21) is used to drive the connecting rope (22) to generate vertical displacement and drive the hanging chair (200) to reciprocate vertically through the suspension rod (24).

3. The hanging chair fatigue test device according to claim 2, characterized in that: The power component (21) comprises a motor and a crankshaft, the output end of the motor is connected to the crankshaft via a coupling, the crankshaft is connected to the connecting rope (22), and the motor is used to drive the crankshaft to move eccentrically and drive the connecting rope (22) to move back and forth vertically.

4. The hanging chair fatigue test device according to claim 2, characterized in that: The connecting rope (22) is configured as a steel wire rope; and the suspension rod (24) is configured as a metal hollow rod.

5. The hanging chair fatigue test device according to claim 1, characterized in that: The load mechanism (30) is configured as an elastic component (31), the upper end of the elastic component (31) is used to be connected to the hanging chair (200), and the lower end is used to be connected to the fixed surface; the elastic component (31) can undergo elastic deformation and is used to apply a vertical load to the hanging chair (200).

6. The hanging chair fatigue test device according to claim 5, characterized in that: The elastic component (31) comprises an upper connecting plate (311), a lower connecting plate (312) and a plurality of springs (313); the upper connecting plate (311) is used for being fixedly connected to the lower end of the hanging chair (200); the lower connecting plate (312) is used for being fixedly connected to the fixed surface; the plurality of springs (313) are arranged side by side between the upper connecting plate (311) and the lower connecting plate (312), and both ends of each spring (313) are respectively connected to the upper connecting plate (311) and the lower connecting plate (312).

7. The hanging chair fatigue test device according to claim 6, characterized in that: Both ends of each spring (313) are detachably connected to the upper connecting plate (311) and the lower connecting plate (312).

8. The hanging chair fatigue test device according to claim 7, characterized in that: Two ends of each spring (313) are respectively hooked to the upper connecting plate (311) and the lower connecting plate (312).

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