CN-122015660-A - Multi-specification large-diameter elevator compensation chain length measuring device

CN122015660ACN 122015660 ACN122015660 ACN 122015660ACN-122015660-A

Abstract

The application discloses a multi-specification large-diameter elevator compensation chain length measuring device which comprises a pressing component, a measuring component and a conversion module. The compressing assembly comprises a stabilizing assembly, an air cylinder and a pressing assembly, wherein the stabilizing assembly, the air cylinder and the pressing assembly are used for compressing an elevator compensation chain in a cooperative mode, the measuring assembly is located between the stabilizing assembly and the air cylinder, the measuring assembly is used for collecting linear displacement signals of the elevator compensation chain to independently complete length measurement of the full plastic compensation chain, the converting module is connected with the measuring assembly and comprises a signal processing module and a data transmission module, the signal processing module analyzes sensor signals and counts the length, and the data transmission module outputs a length measurement result outwards. According to the application, the inclination adjusting device is arranged, so that the coding wheel is in cross-shaped contact with the plastic coated chain, the position of the coding wheel is not required to be readjusted after the specification of the chain is changed, the mold changing time is obviously shortened, the operation cost is reduced, and the universality and the adaptability of the equipment are improved.

Inventors

WANG ZEBIN
XING QIANG
ZHANG XIAOCHAO
SONG KUN
FAN YUXUAN

Assignees

南通大学

Dates

Publication Date: 20260512
Application Date: 20260327

Claims (10)

1. A multi-gauge large diameter elevator compensation chain length measuring device, comprising: the compressing assembly comprises a stabilizing assembly, an air cylinder and a pressing assembly, wherein the stabilizing assembly, the air cylinder and the pressing assembly cooperatively compress the elevator compensation chain; the measuring assembly is positioned between the stabilizing assembly and the air cylinder and is used for collecting linear displacement signals of the elevator compensation chain so as to independently complete the length measurement of the full-plastic compensation chain; The conversion module is connected with the measurement assembly and comprises a signal processing module and a data transmission module, wherein the module analyzes a sensor signal and counts the length, and the signal processing module outputs a length measurement result outwards.
2. The multi-specification large-diameter elevator compensation chain length measuring device is characterized in that the pressing component comprises a workbench and an L-shaped support, the stabilizing component is located at the side end of the workbench, a groove pipe used for being connected with an elevator compensation chain in a penetrating mode is arranged above the L-shaped support, the pressing component is located above the groove pipe, a frame plate is arranged on an opening at the upper end of the L-shaped support, the air cylinder is fixedly arranged on the frame plate, and a telescopic rod at the lower end of the air cylinder is connected with the groove pipe.
3. The multi-specification large-diameter elevator compensation chain length measuring device is characterized in that the measuring assembly comprises a laser sensor, a crank block assembly, a slope adjusting assembly and a coding wheel assembly, wherein the slope adjusting assembly is connected with the L-shaped support through a connecting plate and is used for adjusting an inclination angle so that the coding wheel assembly is in cross-shaped contact with an elevator compensation chain, the crank block assembly converts curved surface motion generated by the fact that the coding wheel assembly fluctuates along with the elevator compensation chain into linear displacement, and the laser sensor is used for collecting the linear displacement signals so that the coding wheel assembly can independently complete full-plastic compensation chain length measuring.
4. The multi-specification large-diameter elevator compensation chain length measuring device according to claim 3, wherein the inclination adjusting assembly comprises an inclined plate and a bottom plate horizontally fixedly connected to the connecting plate, a back plate is arranged on the back surface of the inclined plate, L-shaped connecting plates are fixedly connected to two sides of the bottom of the back plate, and a shaft plate is arranged at the front end of the bottom plate, positioned between the L-shaped connecting plates and hinged to the L-shaped connecting plates.
5. The multi-specification large-diameter elevator compensation chain length measuring device according to claim 4, wherein a fixed stop block is arranged on one side of the bottom plate, a screw hole block is arranged on the other side of the bottom plate, a screw rod penetrates through the screw hole block, a guide pressing rotary disc is sleeved on one side of the screw rod, and the other side of the screw rod is connected with the fixed stop block.
6. The length measuring device for the multi-specification large-diameter elevator compensation chain according to claim 5, wherein a connecting block is fixedly connected to the back plate, first rotating shafts are arranged on two sides of the connecting block, the first rotating shafts are movably connected in shaft holes at one end of the support arm, the shaft holes at the other end of the support arm are connected through a cross-connection shaft, and the cross-connection shaft is connected with the middle of the screw.
7. The multi-specification large-diameter elevator compensation chain length measuring device disclosed by claim 4 is characterized in that the crank block assembly comprises a sliding seat and a reflecting plate fixedly connected to the sliding seat, a plurality of sliding grooves corresponding to the sliding seat are formed in the inclined plate, a sliding connecting block movably clamped in the sliding grooves is arranged on the inner side of the sliding seat, and the laser sensor is arranged above the sliding seat and opposite to the reflecting plate and is used for detecting the sliding position of the reflecting plate.
8. The length measuring device for the multi-specification large-diameter elevator compensation chain according to claim 7, wherein a connecting rod is arranged below the sliding seat, a shaft lever is hinged below the connecting rod, a strip-shaped groove which is arranged in parallel with the second cylinder is arranged in the inclined plate, and a sliding column connected with the coding wheel assembly is arranged in the strip-shaped groove.
9. The multi-specification large-diameter elevator compensation chain length measuring device according to claim 8, wherein the encoding wheel assembly comprises a wheel plate movably connected with the front end of the sliding column and encoding wheels movably arranged at the lower end of the wheel plate, through holes are formed in the wheel plate, second rotating shafts are arranged in the through holes and are movably connected with shaft holes at the lower end of the shaft rod, a sleeve is arranged on the back of the wheel plate in the sliding column, a first connecting column is arranged on the sleeve, and the first connecting column is connected with a second connecting column on the back side of the wheel plate through springs.
10. The length measuring device for the multi-specification large-diameter elevator compensation chain according to claim 2, wherein the stabilizing assembly comprises a wallboard, a middle slot corresponding to the slot tube is arranged in the wallboard, and a conveyor belt for guiding the elevator compensation chain is symmetrically arranged at the upper end and the lower end of the middle slot.

Description

Multi-specification large-diameter elevator compensation chain length measuring device Technical Field The application belongs to the technical field of mechanical automation, and particularly relates to a multi-specification large-diameter elevator compensation chain length measuring device. Background The elevator balance compensation chain is a key component in an elevator system and is used for balancing weight change of an elevator, so that the elevator is ensured to be stable in the ascending and descending process. The length of the compensation chain is measured in the production process of the compensation chain, and the compensation chain is cut and packaged according to the requirements of customers. The conventional length measuring method can be divided into a contact type and a non-contact type when the compensating chain is conveyed, wherein the contact type drives the meter counting wheel to rotate through the friction force of the compensating chain, data are measured through the number of rotation turns, or the compensating chain is driven to move through the rotation of the upper crawler belt and the lower crawler belt, the number of turns of the synchronous belt wheel is read, the non-contact type is generally used for measuring by laser, and the length data are measured through calculating the speed by the time difference of receiving reflected light through the emitted laser. In the contact measurement, due to the existence of friction, the measurement accuracy can be reduced to a certain extent. In the existing non-contact measurement method, the price of the laser sensor is high, the environment is required to be high, and the requirements of factories cannot be well met. Therefore, the elevator compensation chain length measuring device with the non-contact sensor having high cost performance and good environmental adaptability is a key for improving the compensation chain length measuring efficiency and reducing the compensation chain loss The known related technology mainly has the application number 201710789581.5 and is named as an electromechanical elevator compensation chain length measuring device, the device actively drives a main metering wheel through a servo motor, a linear displacement sensor is combined to monitor the relative sliding displacement of a compensation chain and a synchronous belt in real time, a PLC dynamically adjusts the torque of the servo motor to compensate friction fluctuation errors, a plurality of groups of small compression wheels are additionally arranged to be linked with an upper synchronous belt and a lower synchronous belt, the contact area is increased to stabilize friction force, and a pneumatic compression mechanism clamps the compensation chain to avoid detachment caused by surface concave-convex. Through active driving, dynamic compensation and hardware integration, the precision problem caused by chain sliding and friction fluctuation in the traditional passive friction measurement is solved, and high-precision automatic length measurement is realized. The known related technology has application number 202410971502.2, and is named as a self-adaptive elevator compensation chain length measuring method and device, the self-adaptive elevator compensation chain length measuring method and device adopts an inductor to cooperatively detect the outline of a compensation chain in a non-contact manner with a distance measuring sensor, a multi-shaft motor is used for driving a sliding rail (vertical/longitudinal/transverse) to adaptively adjust the position of the sensor, a four-way guide wheel limiting structure is combined to stabilize a chain body, periodic signal characteristics are extracted based on self-adaptive filtering and a multi-stage peak-valley detection algorithm, distance measuring deviation is dynamically compensated, high-precision length calculation is realized, and the self-adaptive elevator compensation chain is suitable for compensation chains with different surface characteristics. The known related art has the application number 202511301664.6, namely a device for measuring the length of an elevator compensation chain, which adopts two groups of symmetrical stabilizing devices (polyurethane coated rolling shafts and belts) and corresponding pressing devices (cylinder driving, 125mm stroke and constant pressure of 0.1-0.2 MPa) to form up-and-down clamping to restrain chain vibration, and two sides of the device are provided with self-adaptive adjusting devices (sliding rails and rubber wheel clamping parts) which can be manually adjusted to adapt to different chain diameters. The positioning system consists of a push-out cylinder and an X/Z axis motor sliding table (42 stepping motors, positioning accuracy is less than or equal to 0.5 mm) and is used for adjusting an eddy current sensor (phi 18mm, measuring range 7-20 mm and repetition accuracy 0.02 mm) to an optimal measuring position. The system integrates two pull rod e