Inductance encoder debugging device for elevator traction machine

Abstract

The utility model discloses an inductance encoder debugging device for an elevator traction machine, which relates to the technical field of tractor debugging, and comprises a tractor shielding box, a lower protective shell and an upper protective shell, one end of the upper protective shell is provided with a debugging installation assembly, and through the arrangement of the upper protective shell, a shielding cable and a trapezoidal guide plate, the debugging installation assembly is arranged on the lower protective shell. Interference of an external electromagnetic field on encoder signal lines is effectively blocked, mutual interference between the signal lines in a cable is reduced, the fixed frame ensures use stability of the inductance encoder, measurement accuracy is improved, the insulation shell is arranged, current leakage is prevented, safety of personnel and equipment is ensured, electromagnetic interference can be effectively restrained through the EM I filter, and the measurement accuracy is improved. Meanwhile, a sensitive circuit can be protected, the damping cylinder is installed on the two guide blocks through a plurality of connecting rods, the connecting stability of the inductance encoder and the elastic coupler is effectively improved, the rotor position of the traction machine can be monitored in real time, and the starting accuracy and the use balance protection effect of the two balance arms on the damping cylinder are ensured.

Description

Technical Field

[0001] This utility model relates to the field of traction machine debugging technology, and in particular to an inductive encoder debugging device for elevator traction machines. Background Technology

[0002] In the elevator industry, precise control and monitoring of elevator traction machines are crucial for the safe and efficient operation of elevators. Inductive encoders, as a commonly used position detection device, are widely used in elevator traction machines to monitor the rotor's position and speed in real time.

[0003] Elevator traction machines generate strong electromagnetic fields during operation and are also susceptible to external electromagnetic interference, such as from power lines, motors, and radio signals. This interference can affect the signal transmission of the encoder, leading to inaccurate measurements and even affecting the normal operation of the elevator.

[0004] To address the above problems, it is necessary to design an inductive encoder debugging device for elevator traction machines to overcome these issues. Utility Model Content

[0005] The main purpose of this invention is to provide an inductive encoder debugging device for elevator traction machines, which can effectively solve the problems in the background art.

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0007] An inductive encoder debugging device for an elevator traction machine includes a traction machine shielding box, a lower protective shell, and an upper protective shell. The lower protective shell is installed at one end of the traction machine shielding box, and the upper protective shell is installed on the inner wall of the lower protective shell. A debugging and installation component is provided at one end of the upper protective shell.

[0008] The debugging and installation assembly includes a trapezoidal guide plate disposed at one end of the upper protective shell, a shock-absorbing plate mounted at one end of the trapezoidal guide plate, a fixing frame mounted on the top of the shock-absorbing plate, an inductive encoder mounted on the inner wall of the fixing frame, an insulating shell mounted on the top of the fixing frame, and an EM (Electronic Encoder) mounted at one end of the insulating shell. The filter I has an elastic coupling installed at the bottom of the inductive encoder, which extends through the top of the damping plate. A reducer is installed at the bottom of the elastic coupling, which extends through the top of the traction machine shielding box. A base plate is installed on the top of the traction machine shielding box. A positioning block is installed at one end of the top of the base plate. Guide blocks are installed at both ends of the positioning block. Connecting cylinders are installed at the ends of the two guide blocks away from the positioning blocks. Balance arms are installed at the ends of the connecting cylinders away from the guide blocks. Fixed cylinders are installed on the inner sides of the two balance arms away from the guide blocks. Mounting rods are installed on the inner sides of the two fixed cylinders. Magnetic blocks are installed at the ends of the two mounting rods away from the fixed cylinders. Two connecting rods are installed at one end of each of the two guide blocks. Damping cylinders are installed at the ends of the four connecting rods away from the guide blocks.

[0009] The upper protective shell is equipped with shielded cables inside.

[0010] As a preferred embodiment of this utility model, the traction machine shielding box is fixedly connected to the lower protective shell, the lower protective shell is sleeved on the outer wall of the upper protective shell, and the upper protective shell is detachably connected to the trapezoidal guide plate.

[0011] As a preferred embodiment of this utility model, the trapezoidal guide plate is threadedly fixedly connected to the shock-absorbing plate, the shock-absorbing plate is fixedly connected to the fixed frame, and the fixed frame is detachably connected to the inductive encoder.

[0012] In a preferred embodiment of this utility model, the trapezoidal guide plate is fixedly connected to the fixed frame, and the fixed frame is detachably connected to the EMI filter.

[0013] In a preferred embodiment of this utility model, the bottom of the inductive encoder is connected to the flexible coupling, and the flexible coupling is connected to the reducer.

[0014] As a preferred embodiment of this utility model, the traction machine shield box is fixedly connected to the base plate, the base plate is fixedly connected to the positioning block, and the positioning block is threadedly fixedly connected to the two guide blocks.

[0015] As a preferred embodiment of this utility model, the two guide blocks are rotatably connected to the two connecting cylinders, the ends of the two connecting cylinders away from the guide blocks are threadedly fixedly connected to the balance arm, the two balance arms are threadedly fixedly connected to the fixed cylinder, the fixed cylinder is threadedly fixedly connected to the mounting rod, the fixed cylinder is fixedly connected to the mounting rod, and the four connecting rods are threadedly fixedly connected to the shock absorber.

[0016] Beneficial effects

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] This inductive encoder debugging device for elevator traction machines effectively blocks external electromagnetic interference to the encoder signal lines, such as interference from nearby power lines, motors, and radio signals, through its upper protective shell, shielded cable, and trapezoidal guide plate. It also reduces mutual interference between signal lines within the cable. The fixed frame ensures the stability of the inductive encoder and improves measurement accuracy. The insulating shell prevents current leakage, ensuring the safety of personnel and equipment. It protects the sensitive electronic components inside the inductive encoder from dust, oil, moisture, and other environmental factors, improving the encoder's environmental adaptability. The EMI filter effectively suppresses electromagnetic interference and protects sensitive circuits. Two guide blocks, using multiple connecting rods, mount the shock absorber, effectively improving the connection stability between the inductive encoder and the flexible coupling. It can monitor the rotor position of the traction machine in real time, ensuring accuracy during startup. Two balance arms provide balanced protection for the shock absorber. The mounting rods use magnetic blocks to attract each other, improving the stability of the shock absorber. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a schematic diagram of the overall disassembled structure of this utility model;

[0021] Figure 3 This is a schematic diagram of the mounting structure of the inductive encoder of this utility model;

[0022] Figure 4 This is a partial structural diagram of the debugging and installation component of this utility model.

[0023] In the diagram: 1. Puller shielding box; 2. Debugging and installation components; 3. Lower protective shell; 4. Upper protective shell; 5. Shielded cable; 201. Trapezoidal guide plate; 202. Vibration damping plate; 203. Fixing frame; 204. Inductive encoder; 205. Insulating shell; 206. EMI filter; 207. Flexible coupling; 208. Reducer; 209. Base plate; 210. Positioning block; 211. Guide block; 212. Connecting cylinder; 213. Balance arm; 214. Fixing cylinder; 215. Mounting rod; 216. Magnetic block; 217. Connecting rod; 218. Vibration damping cylinder. Detailed Implementation

[0024] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0025] like Figures 1-4 As shown, an inductive encoder debugging device for an elevator traction machine includes a traction machine shielding box 1, a lower protective shell 3, and an upper protective shell 4. The lower protective shell 3 is installed at one end of the traction machine shielding box 1, and the upper protective shell 4 is installed on the inner wall of the lower protective shell 3. A debugging and installation component 2 is provided at one end of the upper protective shell 4.

[0026] The debugging and installation component 2 includes a trapezoidal guide plate 201 set at one end of the upper protective shell 4. A shock-absorbing plate 202 is installed at one end of the trapezoidal guide plate 201. A fixing frame 203 is installed on the top of the shock-absorbing plate 202. An inductive encoder 204 is installed on the inner wall of the fixing frame 203. An insulating shell 205 is installed on the top of the fixing frame 203. An EMI filter 206 is set at one end of the insulating shell 205. A flexible coupling 207 is set through the bottom of the inductive encoder 204 and through the top of the shock-absorbing plate 202. A reducer 208 is set through the bottom of the flexible coupling 207 and through the top of the traction machine shield box 1. A base plate 209 is installed on the top of the traction machine shield box 1. A positioning block 210 is installed at one end of the top of the base plate 209. Guide blocks 211 are installed at both ends of the positioning block 210. A connecting cylinder 212 is installed at the end of the two guide blocks 211 away from the positioning block 210. A balance arm 213 is installed at the end of the connecting cylinder 212 away from the guide block 211. A fixing cylinder 214 is installed at the end of the inner side of the two balance arms 213 away from the guide block 211. An installation rod 215 is installed on the inner side of the two fixing cylinders 214. A magnetic block 216 is installed at the end of the two installation rods 215 away from the fixing cylinder 214. Two connecting rods 217 are installed at one end of each of the two guide blocks 211. A shock absorber 218 is installed at the end of the four connecting rods 217 away from the guide block 211.

[0027] The upper protective shell 4 has a shielded cable 5 installed inside;

[0028] The traction machine shielding box 1 is fixedly connected to the lower protective shell 3. The lower protective shell 3 is sleeved onto the outer wall of the upper protective shell 4. The upper protective shell 4 is detachably connected to the trapezoidal guide plate 201. The trapezoidal guide plate 201 is threadedly fixedly connected to the shock absorber 202. The shock absorber 202 is fixedly connected to the fixing frame 203. The fixing frame 203 is detachably connected to the inductive encoder 204. The trapezoidal guide plate 201 is fixedly connected to the fixing frame 203. The fixing frame 203 is detachably connected to the EM. The I filter 206 is detachably connected; the bottom of the inductive encoder 204 is connected to the flexible coupling 207, and the flexible coupling 207 is connected to the reducer 208; the traction machine shield box 1 is fixedly connected to the base plate 209, the base plate 209 is fixedly connected to the positioning block 210, and the positioning block 210 is threadedly fixedly connected to two guide blocks 211; the two guide blocks 211 are rotatably connected to two connecting cylinders 212, the end of the two connecting cylinders 212 away from the guide block 211 is threadedly fixedly connected to the balance arm 213, the two balance arms 213 are threadedly fixedly connected to the fixed cylinder 214, the fixed cylinder 214 is threadedly fixedly connected to the mounting rod 215, and the four connecting rods 217 are threadedly fixedly connected to the shock absorber 218;

[0029] The traction machine shielding box 1 is installed at a suitable position on the elevator traction machine and fixedly connected to the lower protective shell 3. The upper protective shell 4 is fitted onto the outer wall of the lower protective shell 3 and detachably connected via a trapezoidal guide plate 201. The inductive encoder 204 is connected to the elevator traction machine transmission system via a flexible coupling 207 and a reducer 208. The vibrating cylinder 218 is threadedly fixed to the guide block 211 via a connecting rod 217 to provide shock absorption and ensure the connection stability between the inductive encoder 204 and the flexible coupling 207. When the elevator traction machine starts, the rotation of the rotor shaft is transmitted to the inductive encoder 204 via the flexible coupling 207. The encoder 204 generates an electrical signal corresponding to the rotor position. These signals are transmitted through the shielded cable 5, filtered by the EMI filter 206, and then transmitted to the elevator control system. The control system precisely controls the operation of the elevator, including speed, position, and door opening and closing, based on the signals provided by the encoder.

[0030] It should be noted that this utility model is an inductive encoder debugging device for elevator traction machines. In use, the upper protective shell 4 and the traction machine shielding box 1 together form a closed electromagnetic shielding environment, effectively blocking external electromagnetic fields from interfering with the encoder signal lines. The shielding layer of the shielded cable 5 reduces mutual interference between signal lines inside the cable and protects the signal from external interference. When the elevator traction machine starts, the rotation of the rotor shaft is transmitted to the inductive encoder 204 through the flexible coupling 207. The inductive encoder 204 generates an electrical signal corresponding to the rotor position. These signals are transmitted through the shielded cable 5 and pass through the EM... I-filter 206 filters and removes interference signals to ensure signal clarity and accuracy. The vibration damping system includes guide block 211, connecting cylinder 212, balance arm 213, fixed cylinder 214, mounting rod 215, magnetic block 216, connecting rod 217, and damping cylinder 218 to absorb vibrations from the traction machine and maintain encoder stability. The use of magnetic block 216 improves the installation stability of damping cylinder 218 and prevents displacement in vibration environments. The elevator control system precisely controls the elevator operation, including speed, position, and door opening and closing, based on the accurate signal provided by inductive encoder 204.

[0031] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. An inductive encoder debugging device for an elevator traction machine, comprising a traction machine shielding box (1), a lower protective shell (3), and an upper protective shell (4), characterized in that: The lower protective shell (3) is installed at one end of the traction machine shield box (1), and the upper protective shell (4) is installed on the inner wall of the lower protective shell (3). An debugging and installation component (2) is provided at one end of the upper protective shell (4). The debugging and installation assembly (2) includes a trapezoidal guide plate (201) disposed at one end of the upper protective shell (4), a shock absorber plate (202) installed at one end of the trapezoidal guide plate (201), a fixed frame (203) installed at the top of the shock absorber plate (202), an inductive encoder (204) installed on the inner wall of the fixed frame (203), an insulating shell (205) installed at the top of the fixed frame (203), an EMI filter (206) disposed at one end of the insulating shell (205), an elastic coupling (207) disposed through the bottom of the inductive encoder (204) penetrating the top of the shock absorber plate (202), a reducer (208) disposed through the bottom of the elastic coupling (207) penetrating the top of the traction machine shield box (1), a base plate (209) installed at the top of the traction machine shield box (1), and the top of the base plate (209) being... A positioning block (210) is installed at one end of the part, and guide blocks (211) are installed at both ends of the positioning block (210). A connecting cylinder (212) is installed at the end of the two guide blocks (211) away from the positioning block (210). A balance arm (213) is installed at the end of the connecting cylinder (212) away from the guide block (211). A fixing cylinder (214) is installed at the end of the inner side of the two balance arms (213) away from the guide block (211). An installation rod (215) is installed on the inner side of the two fixing cylinders (214). A magnetic block (216) is installed at the end of the two installation rods (215) away from the fixing cylinder (214). Two connecting rods (217) are installed at one end of the two guide blocks (211). A shock absorber (218) is installed at the end of the four connecting rods (217) away from the guide block (211). The upper protective shell (4) is equipped with a shielded cable (5).

2. The inductive encoder debugging device for elevator traction machines according to claim 1, characterized in that: The traction machine shield box (1) is fixedly connected to the lower protective shell (3), the lower protective shell (3) is sleeved on the outer wall of the upper protective shell (4), and the upper protective shell (4) is detachably connected to the trapezoidal guide plate (201).

3. The inductive encoder debugging device for elevator traction machines according to claim 1, characterized in that: The trapezoidal guide plate (201) is threadedly fixed to the shock absorber plate (202), the shock absorber plate (202) is fixedly fixed to the fixed frame (203), and the fixed frame (203) is detachably connected to the inductive encoder (204).

4. The inductive encoder debugging device for elevator traction machines according to claim 1, characterized in that: The trapezoidal guide plate (201) is fixedly connected to the fixed frame (203), and the fixed frame (203) is detachably connected to the EMI filter (206).

5. The inductive encoder debugging device for elevator traction machines according to claim 1, characterized in that: The bottom of the inductive encoder (204) is connected to the flexible coupling (207), and the flexible coupling (207) is connected to the reducer (208).

6. The inductive encoder debugging device for elevator traction machines according to claim 1, characterized in that: The traction machine shield box (1) is fixedly connected to the base plate (209), the base plate (209) is fixedly connected to the positioning block (210), and the positioning block (210) is threadedly fixedly connected to the two guide blocks (211).

7. The inductive encoder debugging device for elevator traction machines according to claim 1, characterized in that: The two guide blocks (211) are rotatably connected to the two connecting cylinders (212). The ends of the two connecting cylinders (212) away from the guide blocks (211) are threadedly fixed to the balance arm (213). The two balance arms (213) are threadedly fixed to the fixed cylinder (214). The fixed cylinder (214) is threadedly fixed to the mounting rod (215). The fixed cylinder (214) is fixedly fixed to the mounting rod (215). The four connecting rods (217) are threadedly fixed to the shock absorber (218).

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