High-precision elevator traction machine band-type brake force detection device

Abstract

The invention provides a high-precision elevator traction machine band-type brake force detection device. According to the high-precision elevator traction machine band-type brake force detection device, a cushioning assembly is installed at the top of a traction machine, a second adjusting assembly with a driving assembly is installed at the top of the cushioning assembly, and the second adjusting assembly comprises an installation shell, an adjusting lead screw, a sliding rod and a movable frame. The mounting shell is used for mounting the adjusting lead screw and the sliding rod, and the sliding rod is used for improving the moving stability of the movable frame on the outer surface of the adjusting lead screw. According to the high-precision elevator traction machine band-type brake force detection device provided by the invention, a filterable structure is adopted through the design, so that the influence of vibration generated when the traction machine works on the laser probe and the photosensitive detector is reduced, and the detection structure can accurately detect the band-type brake force of the traction machine in real time; and meanwhile, the photosensitive detector is mounted through a multi-angle adjustable structure, so that the laser probe and the photosensitive detector can be quickly and accurately aligned, and the detection precision is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of high-precision elevator traction machine brake force detection, and in particular to a high-precision elevator traction machine brake force detection device. Background Art

[0002] The elevator traction machine is the elevator's power unit, also known as the main elevator unit. Its function is to transport and transmit power to operate the elevator. It consists of an electric motor, brake, coupling, reduction gearbox, traction sheave, frame, guide sheave, and an attached handwheel. The guide sheave is generally mounted on the frame or on the load-bearing beam below the frame.

[0003] The published patent 202022904677.1 includes a traction machine and a rotating wheel, and is characterized in that a horizontal detection device is provided above the traction machine, a vertical detection device is provided on the left side of the rotating wheel, and a first electromagnet is provided between the bottom of the horizontal detection device and the traction machine... The device has a compact structure. A horizontal detection device is installed on the traction machine through the first electromagnet, and a vertical detection device is installed on the rotating wheel through the second electromagnet. The left and right positions of the photosensitive detector on the movable plate are adjusted by the first transmission rod, and the front and rear positions of the laser probe on the first gear are fine-tuned by the second transmission rod, thereby realizing the detection of the braking force of the traction machine. The present invention has a bracket installed on the second fixed seat, and a fixing clamp is installed on the top of the bracket. The fixing clamp can clamp the second transmission rod to prevent rotation, thereby achieving the purpose of fixing the laser probe, which brings convenience to people's use.

[0004] Since the above-mentioned installation structure lacks a vibration filtering structure, the vibration during the operation of the traction machine will affect the alignment accuracy of the photosensitive detector and the laser probe. At the same time, the adjustment range of the photosensitive detector is limited, which will affect the alignment accuracy of the photosensitive detector and the laser probe.

[0005] Therefore, it is necessary to provide a high-precision elevator traction machine brake force detection device to solve the above technical problems. Summary of the Invention

[0006] The present invention provides a high-precision elevator traction machine brake force detection device, which solves the problem that the traction machine brake force detection device composed of a photosensitive detector and a laser probe lacks a shock-absorbing structure during installation, causing the detection structure to be easily affected by vibration and the limited adjustment range during the alignment process of the detection structure, which affects the alignment accuracy.

[0007] In order to solve the above technical problems, the present invention provides a high-precision elevator traction machine brake force detection device comprising: a traction machine;

[0008] 7. The swiftly and minutely adjusting device for a wood-planer working table as claimed in claim 1, wherein said adjusting base is a steel plate and said adjusting base is a steel plate. said steel plate is connected to said adjusting base by said connecting gear. said connecting gear is connected to said adjusting base by said connecting gear. said connecting gear is connected to said adjusting base by said connecting gear.

[0009] A damping structure, the damping structure being installed on one side of the traction machine, a first mounting frame being installed on one side of the damping structure, a first electromagnet being installed inside the first mounting frame, a fixing plate being installed on one side of the first electromagnet, and a laser probe being installed on the top of the fixing plate;

[0010] The driving assembly provides rotational driving force for the adjusting screw rod, the adjusting screw rod and the movable frame are threadedly connected, the sliding rod and the movable frame are slidably connected, the ball head and the ball sleeve can be adjusted at multiple angles, and the bottom of the ball head is connected to the top of the adjusting disk.

[0011] Preferably, the shock absorbing assembly includes a fixing buckle and a shock absorbing base, the fixing buckle is used to install the shock absorbing base, the shock absorbing base is made of shock absorbing rubber, and the driving assembly includes a protective shell and a driving component, and the driving component is used to provide a rotational driving force;

[0012] The installation position of the shock absorbing component is determined according to the needs. The protective shell is used to install the driving component, which can be an electric motor or a motor. The output end of the driving component is connected to one end of the adjusting screw.

[0013] Preferably, the lifting assembly comprises a second telescopic member, a stabilizing rod and a movable plate, wherein the bottom end of the stabilizing rod is connected to the top end of the movable plate to increase the stability of the movable plate;

[0014] The stabilizer bar runs through the mounting bar.

[0015] Preferably, a plurality of mounting buckles are installed on the outer surface of the lifting plate, and a protective ring is installed on the bottom of the plurality of mounting buckles;

[0016] The protective ring is conical and can provide a certain degree of protection for the structure at the bottom of the lifting plate.

[0017] Preferably, a laser transmitter is installed on the outer surface of the adjustment disk, and a receiver is installed on the top of the fixing plate;

[0018] The receiver and laser transmitter are positioned correspondingly.

[0019] Preferably, an equipment frame is installed on the top of the traction machine, a sealing cover is installed on the top of the equipment frame, and a control switch is installed on the front of the equipment frame through a mounting base;

[0020] The sealing cover is fixed by bolts, and a controller for auxiliary equipment operation is installed inside the equipment frame. The control switch can manually control the operation of the equipment.

[0021] Preferably, a fixing opening is provided on the front of the traction machine, and a fixing frame is installed on the front of the traction machine.

[0022] Preferably, a mounting bracket is installed inside the fixing frame, a plurality of mounting openings are opened on the front of the mounting bracket, and a monitoring component is installed inside each of the mounting openings;

[0023] The monitoring component may be a temperature, vibration or displacement sensor, and the monitoring end of the monitoring component contacts the back surface of the inner wall of the fixing port.

[0024] Preferably, a sealing plate is installed on the front of the fixing frame, and a wiring frame with a wiring tube is installed on the front of the sealing plate;

[0025] The sealing plate is provided with holes to facilitate the passage of the monitoring component lines, and the monitoring component lines pass through the wiring frame and wiring pipe to be connected to the corresponding equipment.

[0026] Preferably, a heat dissipation component with a filter plate is installed on one side of the fixed frame, and an air intake frame with a filter plate is installed on the other side of the fixed frame;

[0027] The heat dissipation component includes a housing and a heat dissipation fan.

[0028] Compared with related technologies, the high-precision elevator traction machine brake force detection device provided by the present invention has the following beneficial effects:

[0029] The present invention provides a high-precision elevator traction machine brake force detection device. In order to reduce the influence of vibration on the elevator traction machine brake force detection equipment and increase the accuracy of the rapid alignment of the detection equipment, the second adjustment component with the driving component is first installed at the corresponding position above the traction machine through the damping component, and the second electromagnet at one end of the mounting rod is installed in the second mounting frame on the top of the movable frame, so that the mounting rod can be quickly disassembled and assembled, and a lifting plate is installed at the bottom of the mounting rod at the position of the other end through the lifting assembly, and three first telescopic components are installed at the bottom of the lifting plate through three movable heads, and the adjustment plate with the photosensitive detector is connected to the telescopic ends of the three first telescopic components through the three movable heads, and the adjustment plate and the lifting plate are connected. The lowering plate is directly connected through the ball sleeve and the ball head, and the three first telescopic components can drive the adjusting plate to accurately adjust the angle. The laser probe is installed on one side of the first mounting frame through the first electromagnet, and the first mounting frame is installed on the shock-absorbing structure on one side of the traction machine through the first adjusting component, which improves the shock filtering effect and makes the laser probe and the photosensitive detector face each other for easy alignment. This design uses a filtering structure to reduce the impact of the vibration of the traction machine during operation on the laser probe and the photosensitive detector, so that the detection structure can accurately detect the braking force of the traction machine in real time. At the same time, the photosensitive detector is installed through a structure that can be adjusted at multiple angles, so that the laser probe and the photosensitive detector can be quickly and accurately aligned, thereby improving the detection accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 A schematic structural diagram of a first embodiment of a high-precision elevator traction machine brake force detection device provided by the present invention;

[0031] Figure 2 A schematic structural diagram of a mounting rod is provided for the present invention;

[0032] Figure 3 A structural schematic diagram of an adjustment disk is provided for the present invention;

[0033] Figure 4 The present invention provides Figure 2 An enlarged view of point A is shown;

[0034] Figure 5 Provides a structural schematic diagram of a drive plate component for the present invention;

[0035] Figure 6 A schematic structural diagram of a second embodiment of a high-precision elevator traction machine brake force detection device provided by the present invention;

[0036] Figure 7 Provides a structural schematic diagram of the installation port of the present invention;

[0037] Figure 8 The present invention provides Figure 7An enlarged view of point B is shown.

[0038] Numbers in the figure: 1, traction machine, 2, shock-absorbing structure, 3, first adjustment component, 4, first electromagnet, 5, fixing plate, 6, laser probe, 7, receiver, 8, first mounting frame, 9, laser transmitter, 10, photosensitive detector, 11, adjustment disk, 12, angle sensor, 13, first telescopic component, 14, protective ring, 15, mounting buckle, 16, lifting disk, 17, lifting component, 171, second telescopic component, 172, stabilizing rod, 173, movable disk, 18, mounting rod, 19, second electromagnet, 20, fixing plate, 21, sealing cover, 22, equipment frame, 23, mounting base, 24. Control switch, 25. Shock-absorbing assembly, 251. Fixing buckle, 252. Shock-absorbing base, 26. Driving assembly, 261. Protective shell, 262. Driving component, 27. Second adjustment assembly, 271. Mounting shell, 272. Adjusting screw, 273. Sliding rod, 274. Movable frame, 28. Second mounting frame, 29. Ball sleeve, 30. Movable head, 31. Ball head, 32. Wiring pipe, 33. Filter plate, 34. Heat dissipation component, 35. Fixed frame, 36. Wiring frame, 37. Sealing plate, 38. Mounting port, 39. Mounting frame, 40. Fixed port, 41. Monitoring component, 42. Air intake frame. DETAILED DESCRIPTION

[0039] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0040] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 ,in, Figure 1 A schematic structural diagram of a first embodiment of a high-precision elevator traction machine brake force detection device provided by the present invention; Figure 2 A schematic structural diagram of a mounting rod is provided for the present invention; Figure 3 A structural schematic diagram of an adjustment disk is provided for the present invention; Figure 4 The present invention provides Figure 2 An enlarged view of point A is shown; Figure 5 The present invention provides a structural diagram of the drive plate component. A high-precision elevator traction machine brake force detection device comprises: a traction machine 1;

[0041] The damping assembly 25 is mounted on the top of the traction machine 1. A second adjustment assembly 27 with a drive assembly 26 is mounted on the top of the damping assembly 25. The second adjustment assembly 27 includes a mounting shell 271, an adjusting screw 272, a slide 273 and a movable frame 274. The mounting shell 271 is used to mount the adjusting screw 272 and the slide 273. The slide 273 is used to increase the stability of the movable frame 274 moving on the outer surface of the adjusting screw 272. A second mounting frame 28 is mounted on the top of the movable frame 274. A second electromagnet 19 is mounted inside the second mounting frame 28. The second electromagnet 1 9 is provided with a fixing plate 20 on the top, a mounting rod 18 is provided on the top of the fixing plate 20, a lifting assembly 17 is provided on the top of the mounting rod 18 at the other end, a lifting plate 16 is provided on the bottom end of the lifting assembly 17, and the bottom of the lifting plate 16 near the outer surface is rotatably connected to three first telescopic components 13 through a movable head 30, and the bottom ends of the three first telescopic components 13 are rotatably connected to an adjusting plate 11 through a movable head 30, and a photosensitive detector 10 is provided on the bottom end of the adjusting plate 11, a ball sleeve 29 is provided at the middle position of the bottom end of the lifting plate 16, and a ball head 31 is provided on the bottom end of the ball sleeve 29;

[0042] A damping structure 2 is mounted on one side of the traction machine 1. A first mounting frame 8 is mounted on one side of the damping structure 2. A first electromagnet 4 is mounted inside the first mounting frame 8. A fixing plate 5 is mounted on one side of the first electromagnet 4. A laser probe 6 is mounted on the top of the fixing plate 5.

[0043] The drive assembly 26 provides rotational driving force for the adjusting screw 272. The adjusting screw 272 and the movable frame 274 are threadedly connected. The slide rod 273 and the movable frame 274 are slidingly connected. The ball head 31 and the ball sleeve 29 can be adjusted at multiple angles. The bottom of the ball head 31 is connected to the top of the adjusting disk 11. The internal structure of the first adjusting assembly 3 is the same as that of the second adjusting assembly 27. The drive assembly 26 is also installed on the front of the first adjusting assembly 3.

[0044] The shock absorbing assembly 25 includes a fixing buckle 251 and a shock absorbing base 252. The fixing buckle 251 is used to install the shock absorbing base 252. The shock absorbing base 252 is made of shock absorbing rubber. The driving assembly 26 includes a protective shell 261 and a driving component 262. The driving component 262 is used to provide rotational driving force.

[0045] The installation position of the shock absorbing component 25 is determined according to the needs. The protective shell 261 is used to install the driving component 262. The driving component 262 can be an electric motor. The output end of the driving component 262 is connected to one end of the adjusting screw rod 272.

[0046] The lifting assembly 17 includes a second telescopic member 171, a stabilizing rod 172 and a movable plate 173. The bottom end of the stabilizing rod 172 is connected to the top end of the movable plate 173 to increase the stability of the movable plate 173.

[0047] The stabilizing rod 172 passes through the mounting rod 18 , and the bottom end of the movable plate 173 is connected to the top end of the lifting plate 16 .

[0048] A plurality of mounting buckles 15 are installed on the outer surface of the lifting plate 16, and a protective ring 14 is installed on the bottom of the plurality of mounting buckles 15;

[0049] The protective ring 14 is conical and can provide a certain degree of protection for the structure at the bottom of the lifting plate 16 .

[0050] A laser transmitter 9 is mounted on the outer surface of the adjustment disk 11, and a receiver 7 is mounted on the top of the fixing plate 5;

[0051] The receiver 7 and the laser transmitter 9 are positioned correspondingly. The laser emitted by the laser transmitter 9 cooperates with the receiver 7 to increase the speed of alignment between the photosensitive detector 10 and the laser probe 6.

[0052] An equipment frame 22 is installed on the top of the traction machine 1, a sealing cover 21 is installed on the top of the equipment frame 22, and a control switch 24 is installed on the front of the equipment frame 22 through a mounting base 23;

[0053] The sealing cover 21 is fixed by bolts, and a controller for auxiliary equipment operation is installed inside the equipment frame 22. The control switch 24 can manually control the operation of the equipment.

[0054] The working principle of the high-precision elevator traction machine brake force detection device provided by the present invention is as follows:

[0055] First, the second adjustment assembly 27 with the drive assembly 26 is installed at the corresponding position above the traction machine 1 through the damping assembly 25, and the second electromagnet 19 at one end of the mounting rod 18 is installed in the second mounting frame 28 on the top of the movable frame 274, so that the mounting rod 18 can be quickly disassembled and assembled. At the bottom of the mounting rod 18, a lifting plate 16 is installed at the other end through the lifting assembly 17, and three first telescopic components 13 are installed at the bottom of the lifting plate 16 through three movable heads 30. At the same time, the adjustment plate 11 with the photosensitive detector 10 is connected to the telescopic ends of the three first telescopic components 13 through the three movable heads 30, and the adjustment plate 11 and the lifting plate 16 are directly connected through the ball sleeve 29 and the ball head 31. With the cooperation of the three first telescopic components 13, the adjustment plate 11 can be driven to be precisely adjusted Angle, and the laser probe 6 is installed on one side of the first mounting frame 8 through the first electromagnet 4, and the first mounting frame 8 is installed on the shock-absorbing structure 2 on one side of the traction machine 1 through the first adjusting component 3, which improves the shock filtering effect and makes the laser probe 6 and the photosensitive detector 10 face correspondingly, which is convenient for alignment. In actual use, the laser probe 6 and the photosensitive detector 10 are first installed through the corresponding structure, and then the first adjusting component 3 and the second adjusting component 27 are started to adjust the laser probe 6 and the photosensitive detector 10 to the corresponding positions, and then the three first telescopic components 13 are started to cooperate with the ball head 31 and the ball sleeve 29 to adjust the angle of the photosensitive detector 10, so that the laser probe 6 and the photosensitive detector 10 can be quickly and accurately aligned, and the shock-absorbing structure 2 and the shock-absorbing component 25 can filter out the vibration during the operation of the traction machine 1.

[0056] Compared with related technologies, the high-precision elevator traction machine brake force detection device provided by the present invention has the following beneficial effects:

[0057] In order to reduce the impact of vibration on the elevator traction machine brake force detection equipment and increase the accuracy of the rapid alignment of the detection equipment, the second adjustment component 27 with the drive component 26 is first installed at the corresponding position above the traction machine 1 through the shock-absorbing component 25, and the second electromagnet 19 at one end of the mounting rod 18 is installed in the second mounting frame 28 on the top of the movable frame 274, so that the mounting rod 18 can be quickly disassembled and assembled. At the bottom of the mounting rod 18, a lifting plate 16 is installed at the position of the other end through the lifting component 17, and three first telescopic components 13 are installed at the bottom of the lifting plate 16 through three movable heads 30. At the same time, the adjustment plate 11 with the photosensitive detector 10 is connected to the telescopic ends of the three first telescopic components 13 through the three movable heads 30, and the adjustment plate 11 and the lifting plate 16 are directly It is connected through the ball sleeve 29 and the ball head 31, and cooperates with the three first telescopic parts 13 to drive the adjustment disk 11 to accurately adjust the angle, and the laser probe 6 is installed on one side of the first mounting frame 8 through the first electromagnet 4, and the first mounting frame 8 is installed on the shock-absorbing structure 2 on one side of the traction machine 1 through the first adjustment component 3, which improves the shock filtering effect and makes the laser probe 6 and the photosensitive detector 10 face each other for easy alignment. Through this design, a filtering structure is used to reduce the impact of the vibration of the traction machine 1 during operation on the laser probe 6 and the photosensitive detector 10, so that the detection structure can accurately detect the traction machine braking force in real time, and at the same time, the photosensitive detector 10 is installed through a structure that can be adjusted at multiple angles, so that the laser probe 6 and the photosensitive detector 10 can be quickly and accurately aligned, thereby improving the detection accuracy.

[0058] Second embodiment

[0059] Please refer to Figure 6-Figure 7 - Figure 8 , Figure 6 A schematic structural diagram of a second embodiment of a high-precision elevator traction machine brake force detection device provided by the present invention; Figure 7 Provides a structural schematic diagram of the installation port of the present invention;

[0060] Figure 8 The present invention provides Figure 7 An enlarged view of point B is shown. Based on the high-precision elevator traction machine brake force detection device provided in the first embodiment of this application, the second embodiment of this application provides another high-precision elevator traction machine brake force detection device. The second embodiment is merely a preferred embodiment of the first embodiment, and implementation of the second embodiment will not affect the independent implementation of the first embodiment.

[0061] Specifically, the high-precision elevator traction machine brake force detection device provided in the second embodiment of the present application is different in that a fixing opening 40 is provided on the front of the traction machine 1, and a fixing frame 35 is installed on the front of the traction machine 1;

[0062] Both sides of the fixing frame 35 are provided with openings, and the depth of the fixing openings 40 is determined according to requirements.

[0063] A mounting frame 39 is installed inside the fixing frame 35. A plurality of mounting openings 38 are provided on the front of the mounting frame 39. A monitoring component 41 is installed inside each of the mounting openings 38.

[0064] The monitoring component 41 may be a temperature, vibration or displacement sensor, and a monitoring end of the monitoring component 41 contacts the back surface of the inner wall of the fixing port 40 .

[0065] A sealing plate 37 is installed on the front of the fixing frame 35, and a wiring frame 36 with a wiring tube 32 is installed on the front of the sealing plate 37;

[0066] The sealing plate 37 is provided with a hole for the monitoring component 41 line to pass through. The line of the monitoring component 41 passes through the wiring frame 36 and the wiring tube 32 to be connected to the corresponding equipment. The wiring tube 32 and the wiring frame 36 play a protective role.

[0067] A heat dissipation component 34 with a filter plate 33 is installed on one side of the fixing frame 35, and an air intake frame 42 with a filter plate 33 is installed on the other side of the fixing frame 35;

[0068] The heat dissipation component 34 includes a housing and a heat dissipation fan, which assists the internal structure of the fixed frame 35 in dissipating heat. Compared with the related art, the high-precision elevator traction machine brake force detection device provided by the present invention has the following beneficial effects:

[0069] In order to increase real-time monitoring of the working status of the winch 1, a fixing port 40 is opened on the front of the winch 1, and a fixing frame 35 is installed at the position corresponding to the fixing port 40. Then, the monitoring component 41 for monitoring temperature, vibration and displacement is installed in the fixing frame 35 through the mounting bracket 39 with the mounting port 38, and the wiring pipe of the monitoring component 41 is connected through the line and the wiring pipe 32 on the wiring frame 36, so as to facilitate the connection of the monitoring component 41 with the corresponding equipment. A heat dissipation component 34 and an air intake frame 42 with a filter plate 33 are respectively installed on both sides of the fixing frame 35. The hot air is discharged through the heat dissipation component 34 to assist the internal heat dissipation of the fixing frame 35, and the filter plate 33 can filter dust to prevent dust from entering the fixing frame 35 with the air flow. Through this design, the monitoring component 41 composed of sensors is used to monitor the winch 1 to increase safety.

[0070] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention description and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A high-precision elevator traction machine brake force detection device, characterized in that: include: Traction machine; 7. The swiftly and minutely adjusting device for a wood-planer working table as claimed in claim 1, wherein said adjusting base is a steel plate and said adjusting base is a steel plate. said steel plate is connected to said adjusting base by said connecting gear. said connecting gear is connected to said adjusting base by said connecting gear. said connecting gear is connected to said adjusting base by said connecting gear. A shock-absorbing structure is installed on one side of the traction machine, a first installation frame is installed on one side of the shock-absorbing structure, a first electromagnet is installed inside the first installation frame, a fixing plate is installed on one side of the first electromagnet, and a laser probe is installed on the top of the fixing plate.

2. The high-precision elevator traction machine brake force detection device according to claim 1, characterized in that: The shock-absorbing component includes a fixing buckle and a shock-absorbing base, the fixing buckle is used to install the shock-absorbing base, the shock-absorbing base is shock-absorbing rubber, and the driving component includes a protective shell and a driving component, and the driving component is used to provide rotational driving force.

3. The high-precision elevator traction machine brake force detection device according to claim 1, characterized in that: The lifting assembly includes a second telescopic component, a stabilizing rod and a movable plate. The bottom end of the stabilizing rod is connected to the top end of the movable plate to increase the stability of the movable plate.

4. The high-precision elevator traction machine brake force detection device according to claim 1, characterized in that: A plurality of mounting buckles are installed on the outer surface of the lifting plate, and protective rings are installed on the bottoms of the plurality of mounting buckles.

5. The high-precision elevator traction machine brake force detection device according to claim 1, characterized in that: A laser transmitter is installed on the outer surface of the adjusting disk, and a receiver is installed on the top of the fixing plate.

6. The high-precision elevator traction machine brake force detection device according to claim 1, characterized in that: An equipment frame is installed on the top of the traction machine, a sealing cover is installed on the top of the equipment frame, and a control switch is installed on the front of the equipment frame through a mounting base.

7. The high-precision elevator traction machine brake force detection device according to claim 1, characterized in that: A fixing opening is provided on the front of the traction machine, and a fixing frame is installed on the front of the traction machine.

8. The high-precision elevator traction machine brake force detection device according to claim 7, characterized in that: A mounting frame is installed inside the fixing frame, a plurality of mounting openings are opened on the front of the mounting frame, and a monitoring component is installed inside each of the mounting openings.

9. The high-precision elevator traction machine brake force detection device according to claim 7, characterized in that: A sealing plate is installed on the front of the fixing frame, and a wiring frame with a wiring tube is installed on the front of the sealing plate.

10. The high-precision elevator traction machine brake force detection device according to claim 7, characterized in that: A heat dissipation component with a filter plate is installed on one side of the fixing frame, and an air intake frame with a filter plate is installed on the other side of the fixing frame.

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