Experimental detection device for main shaft of traction machine

Abstract

The invention relates to a traction machine main shaft experiment detection device which comprises the components of a main body device which comprises an elevator car main body, a guiding mechanism which guides the elevator car main body to move, and a detection device which is used for detecting the movement of the elevator car main body; the traction device is located on the first side of the main body device, connected with the lift car main body through a traction rope and used for pulling the lift car main body to move; and the resistance generating device is located on the second side of the main body device, the first side of the resistance generating device is opposite to the second side, and the resistance generating device applies a simulation load to the lift car main body dragged by the dragging device. The traction device comprises a traction machine, a main shaft connected with the traction machine and a traction wheel connected with the main shaft, one end of the traction rope is connected with the traction wheel, and the other end of the traction rope is connected with the first side of the lift car body. The traction machine main shaft experiment detection device further comprises a torque sensor and a magnetic powder dynamometer.

Description

Technical Field

[0001] The invention relates to an experimental simulation detection device, in particular to an experimental detection device for a main shaft of a traction machine. Background Art

[0002] With the continuous development of elevator technology, many elevator companies can simply increase the speed of ordinary elevators to the speed level of high-speed elevators. Due to the flexible structure of traction elevators, compared with ordinary elevators, the traction system of high-speed elevators is not only reflected in the improvement of operating speed, but also shows more complex dynamic characteristics during the high-speed operation of the elevator. As the core component of the elevator traction system, a slight failure of the main shaft assembly of the elevator traction machine may cause abnormal noise or vibration of the traction machine, and a serious failure may cause the traction wheel to shift, thereby causing problems such as accelerated wear of the traction wheel groove and the traction rope slipping out of the traction wheel groove, forming a serious safety hazard. In particular, in ultra-high-speed elevators, once a break or bearing damage occurs, it will directly lead to an elevator safety accident, and the consequences are disastrous. Summary of the invention

[0003] In view of the defects of the prior art, the present invention provides a traction machine main shaft experimental detection device, which serves as a mechanical platform for simulating elevator load operation, so as to detect the performance of the traction machine main shaft assembly under simulated elevator load and provide accurate and reliable data for elevator design.

[0004] In an exemplary embodiment, the traction machine main shaft experimental detection device includes:

[0005] A main body device, comprising a car body, a guide mechanism for guiding the movement of the car body, and a detection device for detecting the movement of the car body;

[0006] a traction device, which is located at a first side of the main device and connected to the car body through a traction rope, and is used for pulling the car body to move; and

[0007] a resistance generating device located at a second side of the main body device opposite to the first side to apply a simulated load to the car body pulled by the traction device;

[0008] The traction device comprises a traction machine, a main shaft connected to the traction machine, and a traction wheel connected to the main shaft, one end of the traction rope is connected to the traction wheel, and the other end is connected to the first side of the car body;

[0009] In addition, the traction machine main shaft experimental detection device also includes: a connecting shaft, which is connected to one end of the main shaft, and the other end of the main shaft is connected to the traction machine; a torque sensor, which is arranged on the connecting shaft to measure the torque borne by the main shaft; and a magnetic powder dynamometer, which selectively contacts the connecting shaft to perform fatigue life testing and wear testing.

[0010] According to the implementation method, the movement of the car body is detected to obtain the car movement speed and acceleration, and the torque on the traction machine main shaft is measured by the torque sensor, so as to provide support for the analysis of the fatigue life and wear of the traction machine main shaft under different movement speeds, accelerations and different magnitudes of torque on the main shaft of the high-speed elevator. By simulating the operation status and life of the traction machine main shaft under different operation conditions of the high-speed elevator, data and experimental support are provided for the life prediction of the traction machine main shaft, the optimization of the main shaft results, and the fatigue and wear analysis of the main shaft.

[0011] In some embodiments, the guide mechanism includes a first guide rail located below the car body, a slider disposed at the bottom of the car body, and casters located on both sides of the slider; wherein the slider cooperates with the first guide rail to guide the movement of the car body through the casters, thereby ensuring that the car can accurately move in a straight line along the traction direction of the traction machine during movement, avoiding deviation of the movement trajectory under high-speed movement.

[0012] In some embodiments, the guide mechanism further includes a second guide rail located above the car body and a guide shoe disposed on the top of the car body; wherein the guide shoe cooperates with the second guide rail to guide the movement of the car body and cooperates with the first guide rail to constrain the movement trajectory of the car to ensure that it moves in a straight line along the traction direction of the traction machine.

[0013] In some embodiments, a traction rope mounting plate is provided on the first side of the car body, and the traction rope is connected to the traction rope mounting plate. The number of traction ropes required can be flexibly adjusted through the mounting plate.

[0014] In some embodiments, the traction machine has an output shaft, which is connected to the main shaft through a diaphragm coupling. The connection through the diaphragm coupling can facilitate the replacement of the main shaft to be tested, reduce the relative displacement between the two shafts during the rotation process, have no rotational clearance, have high strength and service life, and can be better applied to the high-load and high-speed movement of high-altitude elevators.

[0015] In some embodiments, the connecting shaft is connected to the main shaft through another coupling, and the torque sensor is installed on the connecting shaft; the magnetic powder dynamometer selectively contacts and separates from the connecting shaft through a magnetic head. When the main shaft of the traction machine rotates at high speed, the magnetic head of the magnetic powder dynamometer is separated from the connecting shaft where the torque sensor is located, and only the torque sensor detects the torque of the main shaft through the connecting shaft. When the main shaft is stationary under the load resistance, the torque is first measured by the torque sensor, and then the sensor is turned off to stop the detection. The magnetic powder dynamometer contacts the connecting shaft through the magnetic head to detect the damage of the main shaft under stress.

[0016] In some embodiments, the device for detecting the movement of the car body includes a plurality of photoelectric sensors, and the plurality of photoelectric sensors are arranged at equal intervals along the extension direction of the first guide rail. By arranging the photoelectric sensors, the moving speed and acceleration of the elevator car can be monitored in real time during the detection of the main shaft of the traction machine, so as to analyze the state of the main shaft under different movement speeds and accelerations of the elevator car.

[0017] In some embodiments, the resistance generating device includes a cylinder and an extension rod extending from the cylinder, wherein the extension rod is connected to a cylinder connecting block, the cylinder connecting block is connected to a cylinder connecting piece, and the cylinder connecting piece is connected to the car body on the second side.

[0018] In some embodiments, the resistance generating device includes four of the cylinders.

[0019] The cylinder is equipped with a pressure control valve. By adjusting the pressure control valve, the resistance applied by the cylinder to the traction machine can be adjusted in real time to simulate the different load conditions of the high-speed elevator. The main purpose of using four cylinders is to ensure that a relatively balanced resistance can be applied. The use of four cylinders is mainly based on the range of the load capacity of the elevator car and the overall size of the experimental device.

[0020] In some embodiments, the traction wheel is a reel wheel suitable for connecting multiple traction ropes. When the traction ropes are wound around the reel wheel, different traction ratios can be formed to achieve smooth operation of the car, and the output power and torque of the traction machine can be reduced, thereby reducing the energy consumption and operating cost of the experimental device.

[0021] In some embodiments, the main device further comprises a hydraulic buffer device disposed at at least one of the starting point and the end point of the movement of the car body, so that when returning to the starting point or arriving at the end point, the hydraulic buffer device can be used to absorb the inertia force generated when stopping, thereby preventing the device itself from malfunctioning and being damaged due to the inertia force.

[0022] According to the embodiments of the present invention, the traction machine main shaft experimental detection device of the present invention can simulate the operation of the traction machine main shaft assembly under the elevator load, so as to detect the performance parameters of the traction machine main shaft assembly, and provide accurate and reliable data for elevator design, so as to make the simulation detection results of the elevator more accurate and the structural design of the elevator more reasonable. Furthermore, the present invention can solve the potential safety hazards in the elevator and ensure that the designed elevator has more accurate data to support its safety and reliability.

[0023] Various aspects, features, advantages, etc. of the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a three-dimensional schematic diagram of a traction machine main shaft experimental detection device according to an embodiment.

[0025] Figure 2 It is a front schematic diagram of a traction machine main shaft test detection device according to an embodiment.

[0026] Figure 3 It is a schematic top view of a traction machine main shaft experimental detection device according to an embodiment.

[0027] Figure 4 It is a front schematic diagram of the main device of the traction machine main shaft test detection device according to the embodiment.

[0028] Figure 5 It is a schematic top view of the main device of the traction machine main shaft test detection device according to the embodiment.

[0029] Figure 6 It is a schematic left view of the main device of the traction machine main shaft experimental detection device according to the implementation method.

[0030] Figure 7 It is a front schematic diagram of the traction device of the traction machine main shaft test detection device according to the embodiment.

[0031] Figure 8 It is a schematic top view of a traction device of a traction machine main shaft test detection device according to an embodiment.

[0032] Fig. 9 It is a left side schematic diagram of the traction device of the traction machine main shaft experimental detection device according to the embodiment.

[0033] Fig.10 It is a front schematic diagram of a resistance generating device of a traction machine main shaft test detection device according to an embodiment.

[0034] Fig.11 It is a schematic top view of a resistance generating device of a traction machine main shaft experimental detection device according to an embodiment.

[0035] Fig.12 It is a left side schematic diagram of a resistance generating device of a traction machine main shaft experimental detection device according to an implementation manner.

[0036] In the figure: 2000-main device, 3000-traction device, 4000-resistance generating device, 5000-traction rope, 2001-aluminum profile base, 2002-guide rail mounting plate, 2003-guide rail (first guide rail), 2004-slider, 2005-support plates on both sides, 2006-upper aluminum profile frame, 2007-top guide rail (second guide rail), 2008-car pillar, 2009-cylinder connecting block, 2010-castor, 2011-photoelectric sensor, 2012-traction rope mounting plate, 2013-guide shoe, 2014-car body, 2015-stud bolt, 2016-cylinder connecting piece, 2017-slider Block and car connecting plate, 3001-bottom plate, 3002-traction machine, 3003-diaphragm coupling, 3004-vertical bearing seat, 3005-rolling bearing, 3006-main shaft, 3007-traction wheel, 3008-sleeve, 3009-vertical bearing seat, 3011-coupling, 3012-torque sensor, 3013-magnetic powder dynamometer, 3014-bottom connecting plate, 3015-bottom mounting plate, 3016-support frame, 3017-bearing seat support frame, 3018-connecting shaft, 4001-rear end fixing plate, 4002-front end fixing plate, 4003-cylinder, 4004-cylinder rear support, 4005-base. DETAILED DESCRIPTION

[0037] Hereinafter, exemplary embodiments will be described in more detail with reference to the accompanying drawings. However, the present invention may be embodied in a variety of different forms and should not be construed as being limited to the embodiments shown herein. Processes, elements, and techniques that are not necessary for a person of ordinary skill in the art to fully understand the various aspects and features of the present invention may not be described. Unless otherwise stated, similar reference numerals represent similar elements throughout the drawings and text descriptions, and therefore, their descriptions may not be repeated. In addition, the features or aspects within each exemplary embodiment should generally be considered to be other similar features or aspects that can be used in other exemplary embodiments.

[0038] Certain terms may be used in the following description for reference only, and therefore these terms are not intended to be limiting. For example, terms such as "top", "bottom", "upper", "lower", "above..." and "below..." may be used to refer to directions in the drawings used as reference. Terms such as "front", "back", "back", "side", "outside" and "inside" may be used to describe the orientation and / or position of parts of a component in a consistent but arbitrary reference system, which can be clearly understood by reference to the text describing the component in question and the associated drawings. Such terms may include the words specifically mentioned above, their derivatives, and words of similar meaning. Similarly, unless the context clearly indicates, the terms "first", "second" and other such numerical terms referring to structures do not mean order or sequence.

[0039] It should be understood that when an element or feature is referred to as being "on another element or layer," "connected to" or "coupled to" another element or layer, it can be directly on, connected to or coupled to the other element or feature, or one or more intervening elements or features may be present. In addition, it should be further understood that when an element or feature is referred to as being "between" two elements or features, it can be the only element or feature between the two elements or features, or one or more intervening elements or features may also be present.

[0040] It should also be understood that the terms "comprises," "includes," and "having," etc., when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and / or parts, but do not exclude the presence or addition of one or more other features, integers, steps, operations, elements, parts, and / or collections thereof. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items. Expressions such as "at least one of..." when preceding a list of elements modify the entire list of elements, rather than modifying the individual elements of the list.

[0041] As used herein, the terms "substantially," "about," and similar terms are used as terms of approximation rather than as terms of degree, and are intended to take into account the inherent variations in measurements or calculations that one of ordinary skill in the art would recognize.

[0042] Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

[0043] As the core component of the elevator traction system, a slight failure of the main shaft assembly of the elevator traction machine may cause abnormal noise or vibration of the traction machine, and a serious failure may cause the traction wheel to shift, thereby causing problems such as accelerated wear of the traction wheel groove and slipping of the traction rope out of the traction wheel groove, forming a serious safety hazard. In particular, in ultra-high-speed elevators, once a fracture or bearing damage occurs, it will directly lead to an elevator safety accident, and the consequences are disastrous. For this reason. The implementation method in this article proposes a mechanical platform that simulates the operating load of the traction machine main shaft assembly, that is, a traction machine main shaft experimental detection device, which can simulate the operation of the traction machine main shaft assembly under the elevator load, so as to detect the performance parameters of the traction machine main shaft assembly, and provide accurate and reliable data for elevator design, so as to make the simulation detection results of the elevator more accurate and the structural design of the elevator more reasonable. Furthermore, it can solve the potential safety hazards in the elevator and ensure that the designed elevator has more accurate data to support its safety and reliability.

[0044] Figures 1 to 3 The overall structure of the traction machine main shaft experimental detection device according to the embodiment is schematically shown. Figures 4 to 6 The structure of the main device of the traction machine main shaft test detection device according to the embodiment is schematically shown. Figures 7 to 9 The structure of the traction device of the traction machine main shaft test detection device according to the embodiment is schematically shown. Figures 10 to 12 The structure of the resistance generating device of the traction machine main shaft test detection device according to the embodiment is schematically shown.

[0045] like Figures 1 to 3 As shown, in an exemplary embodiment, the traction machine main shaft experimental detection device includes a main device 2000, a traction device 3000 and a resistance generating device 4000. The main device 2000 includes a car body 2014, the traction device 3000 is located on one side of the main device 2000, and the resistance generating device 4000 is located on the other side of the main device 2000. That is, the traction device 3000 and the resistance generating device 4000 are arranged on opposite sides of the main device 2000. The traction device 3000 is connected to the car body 2014 through a traction rope 5000, and is used to pull the car body 2014 to move. The resistance generating device 4000 is connected to the car body 2014, and is used to apply a simulated load to the car body 2014 pulled by the traction device 3000 to simulate the load state of the elevator.

[0046] In some embodiments, further reference is made to Figures 4 to 6The main device uses an aluminum profile base 2001 as a bottom support frame, and the aluminum profile used can be 8080 aluminum profile. A guide rail mounting plate 2002 and an upper aluminum profile frame 2006 are installed on the aluminum profile base 2001. The guide rail mounting plate 2002 is fixed on the aluminum profile base 2001, and the upper aluminum profile frame 2006 is fixed on the aluminum profile base 2001. A first guide rail 2003 is installed on the guide rail mounting plate 2002, and the structure of the first guide rail 2003 is convex in the middle part and concave on both sides. Three photoelectric sensors 2011 are installed equidistantly on both sides of the guide rail. The car body 2014 is placed above the first guide rail 2003, and the bottom of the car has a slider 2004 that cooperates with the first guide rail 2003. The slider 2004 is connected to the car body 2014 through the slider and the car connecting plate 2017, and four casters 2010 are installed on both sides of the slider 2004. The car body 2014 can be assembled by welding and screwing. A guide shoe 2013 is installed on the top of the car body 2014, which slides in cooperation with the second guide rail 2007 installed on the top of the upper aluminum profile frame 2006. Traction rope mounting plates 2012 and cylinder connectors 2016 are installed on opposite sides of the car body 2014, respectively, so as to be connected to the traction device 3000 and the resistance generating device 4000, respectively.

[0047] In some embodiments, further reference is made to Figures 7 to 9The traction device includes a traction machine 3002, a main shaft 3006 connected to the traction machine 3002, and a traction wheel 3007 connected to the main shaft 3006. One end of the traction rope is connected to the traction rope mounting plate 2012 on the main device, and the other end is connected to the traction wheel 3007 in the traction device. The power generating element in the traction device is the traction machine 3002, and its extended shaft is connected to the main shaft 3006 through a diaphragm coupling 3004, and the traction wheel 3007 is installed on the main shaft 3006. In some embodiments, the traction wheel 3007 is fixed to the sleeve 3008 through a shaft shoulder. The shaft sections on both sides of the main shaft 3006 are respectively provided with rolling bearings 3005, which are supported by vertical bearing seats 3004 and 3009 respectively. The bottom of the vertical bearing seat is connected to the corresponding bearing seat support frame 3017 through screws so as to be supported on the bottom plate 3001 through the bearing seat support frame 3017. The shaft end of the main shaft 3006 on the side opposite to the traction machine 3002 is connected to the connecting shaft 3018 through a coupling 3011. A torque sensor 3012 is installed on the connecting shaft 3018, and the connecting shaft 3018 selectively contacts the magnetic head of the magnetic powder dynamometer 3013. The torque sensor 3012 is connected to the bottom mounting plate 3015 set on the bottom plate 3001 through a support frame 3016, and the magnetic powder dynamometer 3013 is connected to the bottom mounting plate 3015 set on the bottom plate 3001 through a bottom connecting plate 3014. The traction machine 3002 is connected to the bottom plate 3001 by screws. The torque sensor 3012 measures the torque borne by the main shaft 3006 through the connecting shaft 3018, and the magnetic powder dynamometer 3013 performs fatigue life test and wear test through the connecting shaft 3018.

[0048] In some embodiments, further reference is made to Figures 10 to 12 , the resistance generating device comprises a cylinder 4003 and a protruding rod 4006 extending from the cylinder, wherein the protruding rod is connected to the aforementioned cylinder connection block 2009, the cylinder connection block 2009 is connected to the cylinder connection piece 2016, and the cylinder connection piece 2016 is connected to the car body 2014. In some embodiments, the cylinder connection piece 2016 is connected to the cylinder connection block 2009 by stud bolts 2015, and both sides of the shaft are threaded, and nuts are used to lock to ensure the reliability of the fixing of the parts. In an optional embodiment, the main body of the resistance generating device is four cylinders 4003 with large cylinder diameters, the protruding rods of the cylinder heads are connected to the cylinder connection blocks by nuts, and the four cylinders are fixed in position by the front fixing plate 4002 and the rear fixing plate 4001, and the two fixing plates are respectively connected to the base 4005 by welding. In some embodiments, the cylinder 4003 is a single-rod cylinder with a cylinder diameter of about 200 mm, a stroke of about 1000 mm, and a gas pressure of not less than 0.8 MPA.

[0049] In some embodiments, the torque of the traction machine is about 3410 N·M, the maximum ladder speed is about 6 m / s, and the traction wheel on the main shaft is a rewinding wheel. In some embodiments, the connection between the traction rope mounting plate and the traction rope is fixed by the friction force generated by screw locking.

[0050] Before starting work, the photoelectric sensor 2011 senses that the car body 2014 is at the initial position of the starting point, the cylinder extension rod 4006 in the resistance generating device is in a retracted state, and the traction machine 3002 in the traction device is in a non-working state. At this time, the torque sensor 3012 shows that the torque is 0.

[0051] When starting to work, the car body 2014 in the main device is connected to the resistance generating device 400 and the traction device 3000 on both sides. The resistance generating device 4000 adjusts the working position of its reversing valve according to the required size of resistance to determine the size of the resistance generated. When the resistance generated reaches the required value, the traction machine 3002 in the traction device starts to work. At this time, the traction machine operates according to the set parameters (including the operating parameters of the main shaft 3006, such as speed, acceleration, etc.), and the main shaft 3006 connected to the traction machine transmits torque to drive the traction wheel 3007 to rotate, and the torsional force is transmitted through the traction rope 5000 on the traction wheel. The force on the traction rope is used to pull the car body 2014 through the traction rope mounting plate 2012. At this time, one side of the car body 2014 is subjected to the force generated by the traction device 3000, and the other side is subjected to the pressure generated by the cylinder 4003 in the resistance generating device, that is, the simulated load. In this state, the torque sensor 3012 starts to work. When the car body 2014 is pulled by the torque generated by the traction device, each time it passes through the equidistantly distributed photoelectric sensors 2011, the torque sensor 3012 will record the size of the torque generated once, and the speed of the car body movement can be calculated based on the time it stays in two adjacent photoelectric sensors. When the main shaft 3006 of the traction machine pulls the car body 2014 to stop moving, the magnetic head of the magnetic powder dynamometer 3013 contacts the connecting shaft 3018 and starts to perform fatigue life test and wear test on the main shaft 3006 under load.

[0052] When the car body 2014 needs to return to the starting point, the traction machine 3002 stops working. At this time, the reversing valve in the resistance generating device works, changing the direction of the cylinder movement by changing the direction of the intake air. The power generated by the gas pressure drives the extension rod to be retracted, thereby pulling the car body 2014 back to the initial starting position.

[0053] In this way, the torque on the main shaft of the traction machine and the speed and acceleration of the car can be measured, so as to analyze the fatigue life and wear of the main shaft of the traction machine under different movement speeds, accelerations and different torques on the main shaft of the high-speed elevator, thereby simulating the operating status and life of the main shaft of the traction machine under different operating conditions of the high-speed elevator, and providing data and experimental support for the life prediction of the main shaft of the traction machine, the optimization of the main shaft results, and the fatigue and wear analysis of the main shaft.

[0054] In an optional embodiment, a hydraulic buffer device can be provided at the starting point and the end point of the main device. When the car body moves due to the action of the traction machine or the cylinder, the hydraulic buffer device can be used to assist the resistance generating device and the traction device when returning to the starting point or reaching the end point, and absorb the inertia force generated when stopping, thereby preventing the device itself from malfunctioning and being damaged due to the inertia force.

[0055] Those skilled in the art should understand that what is disclosed above is only an embodiment of the present invention, and it certainly cannot be used to limit the scope of rights for which the present invention requests patent protection. Equivalent changes made according to the embodiments of the present invention still fall within the scope covered by the claims of the present invention. In an exemplary embodiment, the detection device for detecting the movement of the car body includes three photoelectric sensors 2011, but the present invention is not limited to this, and four or more photoelectric sensors may be used. At the same time, the present invention may also adopt other sensors or detection devices known in the art that can be used to detect the movement of the car body 2014. In some embodiments, a camera may be used to capture the movement of the car body 2014, and the captured image may be processed to obtain the movement speed, acceleration, etc. of the car.

Claims

1. A traction machine main shaft experimental detection device, comprising: A main body device, comprising a car body, a guide mechanism for guiding the movement of the car body, and a detection device for detecting the movement of the car body; a traction device, which is located at a first side of the main device and connected to the car body through a traction rope, and is used for pulling the car body to move; and a resistance generating device located at a second side of the main body device opposite to the first side to apply a simulated load to the car body pulled by the traction device; The traction device comprises a traction machine, a main shaft connected to the traction machine, and a traction wheel connected to the main shaft, one end of the traction rope is connected to the traction wheel, and the other end is connected to the first side of the car body; In addition, the traction machine main shaft experimental detection device also includes: A connecting shaft connected to one end of the main shaft, the other end of the main shaft being connected to the traction machine; a torque sensor disposed on the connecting shaft to measure the torque borne by the main shaft; and A magnetic powder dynamometer selectively contacts the connecting shaft to perform fatigue life testing and wear testing.

2. The traction machine main shaft experimental detection device according to claim 1, wherein: The guiding mechanism comprises: a first guide rail located below the car body; A slider disposed at the bottom of the car body and casters located on both sides of the slider; Wherein, the slider cooperates with the first guide rail to guide the movement of the car body through the casters.

3. The traction machine main shaft experimental detection device according to claim 2, wherein: The guiding mechanism also includes: a second guide rail located above the car body; and A guide shoe disposed on the top of the car body; Wherein, the guide shoe cooperates with the second guide rail to guide the movement of the car body.

4. The traction machine main shaft experimental detection device according to claim 1, wherein: A traction rope installation plate is provided on the first side of the car body, and the traction rope is connected to the traction rope installation plate.

5. The traction machine main shaft experimental detection device according to claim 1, wherein: The traction machine has an output shaft, and the output shaft is connected to the main shaft through a diaphragm coupling.

6. The traction machine main shaft experimental detection device according to claim 1, wherein: The connecting shaft is connected to the main shaft via a coupling, and the torque sensor is mounted on the connecting shaft; The magnetic powder dynamometer selectively contacts and separates from the connecting shaft through a magnetic head.

7. The traction machine main shaft experimental detection device according to claim 1, wherein: The device for detecting the movement of the car body includes a plurality of photoelectric sensors, The plurality of photoelectric sensors are arranged at equal intervals along an extending direction of the first guide rail.

8. The traction machine main shaft experimental detection device according to claim 1, wherein: The resistance generating device comprises a cylinder and a protruding rod extending from the cylinder, Wherein, the extension rod is connected to a cylinder connecting block, the cylinder connecting block is connected to a cylinder connecting piece, and the cylinder connecting piece is connected to the car body at the second side.

9. The traction machine main shaft experimental detection device according to claim 1, wherein: The main body device also includes a hydraulic buffer device arranged at at least one of the starting point and the end point of the movement of the car body.

10. The traction machine main shaft experimental detection device according to claim 1, wherein: The traction wheel is a reel wheel suitable for connecting a plurality of traction ropes.

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