A crane motor fault detection system

Abstract

This invention provides a crane motor fault detection system, comprising a detection platform and a movable mounting plate horizontally movably mounted on the detection platform, with the crane motor mounted on the movable mounting plate; it also includes a pair of support plates fixedly mounted on the detection platform, with a horizontal shaft rotatably connected between the two support plates. One end of the horizontal shaft is engaged with the output end of the crane motor, and an open-hole disc located between the two support plates is fixedly fitted on the horizontal shaft. The open-hole disc has several through holes equidistantly arranged around it; a photosensitive element is mounted on the side of one support plate near the open-hole disc, and a light source is mounted on the side of the other support plate near the open-hole disc. The light emitted by the light source can pass through the through holes in the open-hole disc and illuminate the photosensitive element. This invention solves the problem in the prior art that crane motor fault detection requires disassembling the crane motor, which makes it impossible to simulate the actual lifting conditions and ultimately results in detection results that do not reflect the true situation.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of motor fault detection equipment, and particularly relates to a hoist motor fault detection system. BACKGROUND

[0002] The hoisting equipment has a relatively complex structure, and the complex structure can complete lifting movement and horizontal movement within a given time. Different hoists have certain differences in internal structure due to different structures. In the actual operation process, the hoist has great difficulty and long operation time, and therefore the safety of the hoist motor, which is a core component of the hoist, is particularly important.

[0003] In order to ensure normal operation of the hoist, the hoist motor needs to be periodically or irregularly detected for fault to reduce the probability of sudden failure of the hoist motor. In the process of detecting the fault of the hoist motor, the existing detection instrument usually needs to disassemble the hoist motor for detection, and therefore cannot simulate the hoist live, and the detection result cannot reflect the actual situation. SUMMARY

[0004] In view of the problems in the prior art, the present application provides a hoist motor fault detection system, which solves the problem that the hoist motor needs to be disassembled for fault detection in the prior art, cannot simulate the hoist live, and finally makes the detection result unable to reflect the actual situation.

[0005] According to an embodiment of the present application, a hoist motor fault detection system comprises a detection table, a movable mounting plate horizontally arranged on the detection table, and a hoist motor assembled on the movable mounting plate; a pair of support plates fixedly arranged on the detection table, a horizontal shaft rotatably connected between the two support plates, one end of the horizontal shaft being clamped with the output end of the hoist motor, and a perforated disc located between the two support plates being fixedly sleeved on the horizontal shaft, a plurality of through holes being formed on the perforated disc and equidistantly arranged thereon; a photosensitive element being arranged on one side of the support plate close to the perforated disc, and a light source being arranged on the other side of the support plate close to the perforated disc, the light emitted by the light source being capable of passing through the through holes on the perforated disc and irradiating on the photosensitive element, the photosensitive element generating an electric signal after receiving the light irradiation; and a controller being electrically connected with the photosensitive element to receive the electric signal generated by the photosensitive element and record the electric signal count.

[0006] In the above embodiment, the detection is directly assembled on the moving installation plate during the detection, which can make the hoisting motor dock with the horizontal shaft, drive the horizontal shaft to rotate, and make the light emitted by the light source pass through the plurality of through holes in sequence to irradiate on the photosensitive element, and the electric signal generated by the photosensitive element is recorded by the controller, and then the operation of the hoisting motor can be judged by counting the electric signal, which solves the problem that the hoisting motor needs to be disassembled in the prior art, so that the real situation cannot be reflected.

[0007] Further, a reducer is fixedly arranged on the detection table, an input end of the reducer is connected with one end of the horizontal shaft away from the moving installation plate through a first shaft coupling, an output end of the reducer is connected with a first reciprocating lead screw through a second shaft coupling, a second reciprocating lead screw parallel to the first reciprocating lead screw is further included, a placing frame fixedly arranged on the detection table and rotationally connected with the first reciprocating lead screw and the second reciprocating lead screw is further included, a lifting table is arranged on the placing frame in a lifting manner, and a traction assembly is arranged between the lifting table and the first reciprocating lead screw and the second reciprocating lead screw to lift the lifting table above the placing frame.

[0008] Further, the traction assembly includes a first moving seat threadedly sleeved on the first reciprocating lead screw and a second moving seat threadedly sleeved on the second reciprocating lead screw, and a traction rod is movably connected between the first moving seat and the lifting table and between the second moving seat and the lifting table, respectively.

[0009] Further, a placing groove is recessed on the lifting table.

[0010] Further, an assembly hole is formed on the moving installation plate, and the hoisting motor is installed on the moving installation plate through an assembly screw rod.

[0011] Further, an installation groove is arranged on the detection table, a driving motor is fixedly installed on the detection table, a rotating shaft of the driving motor rotationally extends into the installation groove and is fixedly connected with a driving screw rod, the moving installation plate is located above the installation groove, and a connecting block is arranged between the moving installation plate and the driving screw rod, wherein the connecting block is fixedly connected with the moving installation plate, and the connecting block is threadedly connected with the driving screw rod.

[0012] Further, a vertical baffle is further fixedly installed on the detection table, a through hole is formed on the vertical baffle, a first clamping joint is sleeved on the hoisting motor output end after passing through the through hole, a second clamping joint is fixedly connected on the horizontal shaft, and the horizontal shaft and the hoisting motor output end are synchronously rotated after the first clamping joint and the second clamping joint are clamped.

[0013] Further, the first and second clamping joints are circumferentially connected with a plurality of protrusions to abut and engage when the first and second clamping joints are close to each other.

[0014] Further, the detection table is further fixedly connected with an inverted U-shaped baffle fixedly connected with the vertical baffle, and the moving installation plate is fixedly connected with an end plate at an end away from the vertical baffle, and when the moving installation plate is closest to the vertical baffle, the end plate is located in the coverage range of the inverted U-shaped baffle, and the vertical baffle, the inverted U-shaped baffle, the moving installation plate and the end plate form a local space; the local space is further provided with a temperature sensor and a noise sensor to feed back temperature and noise intensity values to the controller.

[0015] Further, the detection table is further fixedly connected with an inverted U-shaped baffle fixedly connected with the vertical baffle, and the moving installation plate is fixedly connected with an end plate at an end away from the vertical baffle, and when the moving installation plate is closest to the vertical baffle, the end plate is located in the coverage range of the inverted U-shaped baffle, and the vertical baffle, the inverted U-shaped baffle, the moving installation plate and the end plate form a local space; the local space is further provided with a temperature sensor and a noise sensor to feed back temperature and noise intensity values to the controller.

[0016] Compared with the prior art, the present application has the following beneficial effects:

[0017] The moving installation plate can realize the docking and disconnection of the hoisting motor with the horizontal shaft through horizontal movement, thereby facilitating the installation and disassembly of the hoisting motor, and avoiding the disassembly of the hoisting motor, so that the hoisting situation can be better simulated, and the detection structure can be more consistent with the real situation, solving the problem that the hoisting motor needs to be disassembled during fault detection in the prior art, which cannot simulate the hoisting situation and ultimately cannot reflect the real situation. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The present application is an embodiment of the overall structure Figure 1 ;

[0019] Figure 2 The present application is an embodiment of the overall structure Figure 2 ;

[0020] Figure 3 The present application is an embodiment of the hoisting motor assembly structure diagram;

[0021] Figure 4 The present application is an embodiment of the connection structure between the two support plates and the perforated disc;

[0022] Figure 5 The present application is an embodiment of the first and second clamping joint docking structure diagram;

[0023] Figure 6 The present application is an embodiment of the moving installation plate structure diagram;

[0024] In the above drawings:

[0025] Detection platform 1, mobile mounting plate 2, hoist motor 3, support plate 4, horizontal shaft 5, open hole disc 6, through hole 7, photosensitive element 8, light source 9, controller 10, display screen 11, mobile wheel 12, assembly screw rod 13, speed reducer 14, first coupling 15, second coupling 16, first reciprocating screw rod 17, second reciprocating screw rod 18, placement frame 19, lifting platform 20, counterweight 21, placement groove 22, first mobile seat 23, second mobile seat 24, traction rod 25, guide rod 26, mounting groove 27, drive screw 28, connecting block 29, vertical baffle 30, perforated hole 31, first clamping head 32, second clamping head 33, protruding block 34, inverted U-shaped baffle 35, sealing plate 36, temperature sensor 37, noise sensor 38, horizontal sliding strip 39, drive motor 40, horizontal sliding groove 41, assembly hole 42, driving wheel 43, driven wheel 44, drive belt 45. DETAILED DESCRIPTION

[0026] The technical solutions in the present application will be further described below in combination with the drawings and examples.

[0027] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0028] As Figures 1 to 6As shown, the present embodiment provides a hoist motor fault detection system, which comprises a detection table 1, and a mobile mounting plate 2 horizontally arranged on the detection table 1, and a hoist motor 3 assembled on the mobile mounting plate 2; the detection system further comprises a pair of support plates 4 fixedly arranged on the detection table 1, and a horizontal shaft 5 rotatably connected between the two support plates 4, one end of the horizontal shaft 5 is clamped with the output end of the hoist motor 3 (i.e. the horizontal shaft 5 is rotatably connected to the other side of the support plate 4 and clamped with the output end of the hoist motor 3), and a perforated disc 6 is fixedly sleeved on the horizontal shaft 5 and located between the two support plates 4, a plurality of through holes 7 are formed on the perforated disc 6 and equidistantly arranged thereon; one side of one of the support plates 4 close to the perforated disc 6 is provided with a photosensitive element 8, and one side of the other support plate 4 close to the perforated disc 6 is provided with a light source 9, the light emitted by the light source 9 can pass through the through holes 7 on the perforated disc 6 and irradiate on the photosensitive element 8, and the photosensitive element 8 generates an electric signal after receiving the light irradiation; the detection system further comprises a controller 10, which is electrically connected with the photosensitive element 8 to receive the electric signal generated by the photosensitive element 8 and record the electric signal count.

[0029] In the above embodiment, the hoist motor 3 is directly assembled on the mobile mounting plate 2 during detection, which can make the hoist motor 3 butt joint with the horizontal shaft 5, thereby driving the horizontal shaft 5 to rotate, and the perforated disc 6 rotates during rotation, so that the light emitted by the light source 9 passes through the plurality of through holes 7 in sequence and irradiates on the photosensitive element 8 in intervals (during the rotation of the perforated disc 6 with the horizontal shaft 5, the light emitted by the light source 9 is blocked by the perforated disc 6 or passes through the through holes 7, thereby realizing the irradiation on the photosensitive element 8 in intervals), and the electric signal generated by the photosensitive element 8 is recorded by the controller 10, then the running condition of the hoist motor 3 can be judged through the electric signal count, which solves the problem that the hoist motor 3 needs to be disassembled during the fault detection in the prior art, which causes the real situation cannot be simulated and the detection result cannot reflect the true situation; specifically, the controller 10 in the present embodiment is installed on the detection table 1, and a display screen 11 electrically connected with the controller 10 is also installed on the detection table 1 to display the electric signal count recorded by the controller 10; in particular, the detection table 1 of the present embodiment is also provided with a power supply to supply power to the components such as the controller 10, the light source 9 and the display screen 11, and also can supply power to the hoist motor 3, which ensures that the detection system can operate normally;

[0030] Further, in order to improve the maneuverability of the detection system, mobile wheels 12 are also installed at the four corners of the lower end of the detection table 1, so that the detection system can be more conveniently moved to the hoist equipment to facilitate the detection, thereby further improving the work efficiency.

[0031] As Figure 3 , 6As shown, preferably, in order to facilitate the assembly and disassembly of the hoist motor 3, an assembly hole 42 is formed on the moving mounting plate 2, and the hoist motor 3 is mounted on the moving mounting plate 2 through the assembly screw rod 13.

[0032] As shown in Figure 1 , 2 , 3, preferably, in order to more truly simulate the hoisting situation, the detection system further comprises a reducer 14 fixedly arranged on the detection table 1, the input end of the reducer 14 is connected with the end of the horizontal shaft 5 away from the moving mounting plate 2 through the first shaft coupling 15, the output end of the reducer 14 is connected with the first reciprocating lead screw 17 through the second shaft coupling 16, the detection system further comprises a second reciprocating lead screw 18 parallel to the first reciprocating lead screw 17, and the detection system further comprises a placing frame 19 fixedly arranged on the detection table 1 and rotationally connected with the first reciprocating lead screw 17 and the second reciprocating lead screw 18, a lifting platform 20 is arranged on the placing frame 19 in a lifting manner, and a traction assembly is arranged between the lifting platform 20 and the first reciprocating lead screw 17 and the second reciprocating lead screw 18 to lift the lifting platform 20 above the placing frame 19, specifically, the detection system operates as follows:

[0033] The hoist motor 3 is assembled on the moving mounting plate 2, the moving mounting plate 2 is moved to make the output end of the hoist motor 3 butt joint with the horizontal shaft 5 (i.e. clamped together to realize synchronous rotation), and then the hoist motor 3, the controller 10 and the light source 9 are started, so that the detection can be carried out, the horizontal shaft 5 drives the reducer 14 to operate when rotating, and then drives the first reciprocating lead screw 17 and the second reciprocating lead screw 18 to operate, finally makes the lifting platform 20 move up and down to realize the simulation of the hoisting situation, in particular, different numbers of counterweights 21 can be placed on the lifting platform 20, so as to realize the simulation of different hoisting weights, finally makes the detection system more consistent with the hoisting situation, and ensures the authenticity of the detection result; in order to facilitate the placement of the counterweight 21, a placement groove 22 is recessed on the lifting platform 20, and the number of the placement grooves 22 can be multiple, so as to facilitate the placement of different numbers of counterweights 21 according to actual needs.

[0034] As shown in Figure 1 , 2As shown, preferably, the traction assembly comprises a first moving seat 23 threaded on the first reciprocating lead screw 17 and a second moving seat 24 threaded on the second reciprocating lead screw 18, and a traction rod 25 movably connected between the first moving seat 23 and the second moving seat 24 and the lifting platform 20; the upper end surface of the placement frame 19 is fixedly connected with at least one pair of guide rods 26 (four guide rods 26 are arranged at the four corners of the lifting platform 20 in this embodiment, i.e. two pairs of guide rods 26), and the two guide rods 26 are perpendicular to the placement frame 19 and are slidably connected with the lifting platform 20, i.e. the lifting platform 20 is provided with a sliding hole, and the guide rod 26 is slidably connected with the sliding hole; specifically, the present embodiment reduces the rotation speed of the hoisting motor 3 through the speed reducer 14, thereby avoiding the lifting platform 20 from lifting too fast, wherein the first moving seat 23 and the second moving seat 24 move horizontally with the rotation of the first reciprocating lead screw 17 (the first moving seat 23 and the second moving seat 24 can be in sliding contact with the detection table 1, thereby ensuring that they can move horizontally smoothly), and the two ends of the traction rod 25 are both rotationally connected, and the inclination angles of the two traction rods 25 change when the first moving seat 23 and the second moving seat 24 move, and the two traction rods 25 are located on the two sides of the lifting platform 20, thereby lifting or pulling down the lifting platform 20 to achieve lifting, further, the guide rod 26 ensures that the lifting platform 20 can only be lifted or pulled down in the vertical direction, thereby making the lifting more stable; wherein the one end of the first reciprocating lead screw 17 and the second reciprocating lead screw 18 away from the speed reducer 14 is rotationally penetrated to the outside of the placement frame 19 and is fixedly connected with a driving wheel 43 and a driven wheel 44, respectively, and the driving belt 45 is wound between the driving wheel 43 and the driven wheel 44, thereby making the driving wheel 43 rotate when the speed reducer 14 drives the first reciprocating lead screw 17 to rotate, and then driving the driven wheel 44 to rotate through the driving belt 45, thereby making the second reciprocating lead screw 18 also rotate synchronously.

[0035] As Figure 1 , 2 , 3 shows that, preferably, the detection table 1 is provided with a mounting groove 27, and a driving motor 40 is fixedly installed on the detection table 1, and the rotating shaft of the driving motor 40 rotationally extends into the mounting groove 27 and is fixedly connected with a driving screw 28, and the moving mounting plate 2 is located above the mounting groove 27, and a connecting block 29 is arranged between the moving mounting plate 2 and the driving screw 28, wherein the connecting block 29 and the moving mounting plate 2 are fixedly connected, and the connecting block 29 is threadedly connected with the driving screw 28; specifically, the movement of the moving mounting plate 2 is achieved by driving the driving motor 40, i.e. the driving motor 40 drives the driving screw 28 to rotate, thereby making the connecting block 29 move horizontally, and finally driving the moving mounting plate 2 to move horizontally, in particular, the end of the driving screw 28 away from the driving motor 40 is also rotationally connected with the mounting groove 27, thereby making the stability of the moving mounting plate 2 be able to be improved.

[0036] AsFigure 1 、 2 , 3, 5, preferably, the detection system further comprises a vertical baffle 30 fixedly installed on the detection table 1, the vertical baffle 30 is provided with a through hole 31, the output end of the hoist motor 3 passes through the through hole 31 and is sleeved with a first clamping head 32, the horizontal shaft 5 is fixedly connected with a second clamping head 33, after the first clamping head 32 and the second clamping head 33 are clamped, the horizontal shaft 5 and the output end of the hoist motor 3 rotate synchronously, the vertical baffle 30 is arranged to limit the movement of the movable mounting plate 2, preventing the movable mounting plate 2 from moving too much in the direction of the horizontal shaft 5, that is, when the movable mounting plate 2 abuts against the vertical baffle 30, the first clamping head 32 and the second clamping head 33 are completely docked, so that the hoist motor 3 can drive the horizontal shaft 5 to rotate synchronously;

[0037] Further, the first clamping head 32 and the second clamping head 33 are both circumferentially connected with a plurality of protrusions 34, so that the first clamping head 32 and the second clamping head 33 are abutted and clamped when they are close to each other, after clamping, the first clamping head 32 and the second clamping head 33 are integrated as a whole, so as to rotate synchronously.

[0038] As Figure 1 、 2, 3, 6, preferably, the detection table 1 is further fixedly connected with an inverted U-shaped baffle 35 fixedly connected with the vertical baffle 30, and the end of the mobile mounting plate 2 away from the vertical baffle 30 is fixedly connected with an enclosing plate 36, when the mobile mounting plate 2 is closest to the vertical baffle 30, the enclosing plate 36 is located in the covering range of the inverted U-shaped baffle 35 and makes the vertical baffle 30, the inverted U-shaped baffle 35, the mobile mounting plate 2 and the enclosing plate 36 enclose a local space, the local space isolates the hoisting motor 3 in it to avoid external influence; meanwhile, the local space is also provided with a temperature sensor 37 and a noise sensor 38 to feed back temperature values and noise intensity values to the controller 10, similarly, the temperature values and the noise intensity values detected by the temperature sensor 37 and the noise sensor 38 are also displayed on the display screen 11 for the detection personnel to make fault judgment, in particular, the temperature sensor 37 and the noise sensor 38 are both installed on the inner top wall of the inverted U-shaped baffle 35, so that the hoisting motor 3 can be avoided from colliding with them; when assembling the hoisting motor 3, the mobile mounting plate 2 is first moved out of the covering range of the inverted U-shaped baffle 35, so as to facilitate the assembly of the hoisting motor 3, further, the inverted U-shaped baffle 35 is fixedly buckled above the mounting groove 27 (that is, the inverted U-shaped baffle is fixedly connected with the detection table 1 and covers above the mounting groove 27), the inner walls of the inverted U-shaped baffles 35 on both sides of the mounting groove 27 are respectively provided with horizontal sliding grooves 41, and the two sides of the mobile mounting plate 2 are respectively fixedly connected with horizontal sliding strips 39, the two horizontal sliding strips 39 are respectively slidably connected with the two horizontal sliding grooves 41 (when assembling the hoisting motor 3, the horizontal sliding strips 39 do not disengage from the horizontal sliding grooves 41), so that the inverted U-shaped baffle 35 provides a horizontal moving support basis for the mobile mounting plate 2, and the stability of the mobile mounting plate 2 is ensured.

[0039] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present application and not to limit it, although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced equivalently without departing from the purpose and scope of the present application, and they should all be covered in the scope of the claims of the present application.

Claims

1. A hoisting motor fault detection system, characterized by, The utility model provides a kind of lifting device, including detection platform, and horizontally moving mobile mounting plate being arranged on detection platform, hoist motor is assembled on mobile mounting plate;It further includes a pair of support plates being fixedly arranged on detection platform, rotatingly connected with horizontal shaft between two support plates, horizontal shaft one end is connected with hoist motor output end, horizontal shaft is also fixedly provided with the aperture disc between two support plates, aperture disc is provided with a plurality of through holes around it at equal intervals;One side of one support plate close to aperture disc is equipped with photosensitive element, and one side of another support plate close to aperture disc is equipped with light source, light emitted by light source can pass through the through hole provided on aperture disc and irradiate on photosensitive element, and photosensitive element generates electrical signal after receiving light irradiation;It further includes controller, and controller is electrically connected with photosensitive element to receive electrical signal generated by photosensitive element and record electrical signal count;It further includes speed reducer being fixedly arranged on detection platform, the input end of speed reducer is connected with the one end of horizontal shaft away from mobile mounting plate by first shaft coupling, the output end of speed reducer is connected with first reciprocating screw rod by second shaft coupling, it further includes second reciprocating screw rod parallel with first reciprocating screw rod, it further includes placement frame being fixedly arranged on detection platform and being rotatably connected with first reciprocating screw rod and second reciprocating screw rod, and lifting platform is arranged on placement frame and is lifted, and traction assembly is arranged between lifting platform and first reciprocating screw rod and second reciprocating screw rod to make lifting platform lift above placement frame.

2. The hoist motor fault detection system of claim 1, wherein, Traction assembly includes first moving seat being threadedly sleeved on first reciprocating screw rod and second moving seat being threadedly sleeved on second reciprocating screw rod, and traction rod is movably connected between first moving seat and second moving seat and lifting platform respectively;At least a pair of guide rods are fixedly connected to the upper end surface of placement frame, and the two guide rods are perpendicular to placement frame and are slidably connected with lifting platform.

3. A hoist motor fault detection system as claimed in claim 2, wherein, Lifting platform is recessed and provided with placing groove.

4. The hoist motor fault detection system of claim 1, wherein, Assembly hole is formed in mobile mounting plate, and hoist motor is installed on mobile mounting plate by assembly screw rod.

5. The hoist motor fault detection system of claim 1, wherein, Mounting groove is formed in detection platform, and driving motor is fixedly installed on detection platform, and the rotating shaft of driving motor is rotatably extended into mounting groove and is fixedly connected with driving screw rod, mobile mounting plate is located above mounting groove, and connecting block is arranged between mobile mounting plate and driving screw rod, wherein connecting block is fixedly connected with mobile mounting plate, and connecting block is threadedly connected with driving screw rod.

6. A hoist motor fault detection system as claimed in any one of claims 1 to 5 wherein, It further includes vertical baffle being fixedly installed on detection platform, and perforation is formed in vertical baffle, and first clamping joint is sleeved on hoist motor output end after passing through perforation, second clamping joint is fixedly connected on horizontal shaft, and horizontal shaft and hoist motor output end are synchronously rotated after first clamping joint and second clamping joint are engaged.

7. A hoist motor fault detection system as claimed in claim 6, wherein, A plurality of protrusions are circumferentially connected to the end of first clamping joint and second clamping joint to abut and engage when first clamping joint and second clamping joint are close.

8. The hoist motor fault detection system of claim 6, wherein, The detection table is further fixedly connected with an inverted U-shaped baffle fixedly connected with the vertical baffle, and the end of the moving mounting plate away from the vertical baffle is fixedly connected with a sealing plate; when the moving mounting plate moves to the closest distance from the vertical baffle, the sealing plate is located in the coverage range of the inverted U-shaped baffle, and the vertical baffle, the inverted U-shaped baffle, the moving mounting plate and the sealing plate enclose a local space; a temperature sensor and a noise sensor are further arranged in the local space to feed back temperature values and noise intensity values to the controller.

9. The hoist motor fault detection system of claim 1, wherein, The detection table is further provided with moving wheels at the four corners of the lower end.

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