The daily maintenance of the three-dimensional garage is the basic guarantee to ensure the safe operation of the three-dimensional garage. How to do the daily maintenance? The main points are as follows:

  1 Maintenance frequency

Maintenance personnel are responsible for regular inspection and maintenance of parking equipment, which can be divided into:
    Weekly maintenance: Check, clean, lubricate and adjust the parking equipment use environment, metal structure, transmission device, electrical equipment, safety protection device, etc. every week. In particular, the working condition of the safety device should be checked, and problems found should be dealt with in a timely manner.
    Monthly maintenance: The working conditions of each transmission component, electrical control system and safety protection device of parking equipment should be checked, cleaned, lubricated and adjusted every month.
    Quarterly maintenance: quarterly, the main stress components of the parking equipment and their connections, safety protection devices, equipment appearance and safety signs, warnings, etc. should be inspected and maintained, and the electrical control system should be functionally tested if necessary.
Annual maintenance: A comprehensive and systematic inspection and maintenance of parking equipment should be conducted once a year, including electrical grounding and insulation testing.
2 Maintenance content and technical requirements
2.1 metal structure
2.1.1 The metal structure should be firmly and stably connected locally and integrally, without permanent distortion or weld cracks, and no obvious deformation or abnormal noise during loading and running.
2.1.2 High-strength bolt connections should be tightened to meet the specified tightening torque requirements. Fasteners, flat washers and spring washers should be complete. Bolt length should be longer than that of nuts. Reliable tightening without looseness.
2.1.3 The verticality of the metal structure frame column is ≤L / 1000mm (L is the length of the metal structure frame column), the parallelism between the beams is ≤15mm, and the difference between the two diagonal lines of the frame is ≤10mm, unless there are special requirements.
2.1.4 When carrying the rated load, the downward deflection of the longitudinal mid-point of the main beam should be ≤L / 400mm (L is the length of the beam).
2.1.5 The bolts embedded in the bottom plate of the column shall not be loosened or rusted. The foundation is free from sinking and cracking, and the surrounding area of ​​the foundation should be kept clean.
2.1.6 The guide rail (track) has good linearity, no permanent deformation, and even and smooth seams without obvious convex and concave points.
2.2 Equipment parts
2.2.1 The moving parts should run smoothly, with accurate positions, no abnormal sounds, and flexible and reliable braking.
2.2.2 The horizontal distance between the end of the parking surface of the carrier and the ground at the entrance / exit shall be ≤40mm, the vertical height difference shall be ≤50mm, and the vertical height difference between the front end point and the ground surface shall be ≤50mm.
2.2.3 The leveling error between the loading platform of the lifting platform and the loading platform of the handling platform shall be ≤15mm.
2.2.4 The horizontal distance between the gap between the front end of the loading plate and the ground surface is ≤40mm, the vertical height difference should be ≤50 mm, the whole loading plate should be straight, without permanent deformation, there should be no cracks at the welding place, and the fixing bolts at the connection should not be loose or Fall off.
2.2.5 The pulleys should be flexible in rotation, well lubricated, reliably fixed, without cracks and defects, and without other defects that damage the wire rope.
2.2.6 The steel wire rope shall have anti-loosening and anti-jumping devices, which shall be reliable in movement and fixed, and the amount of abrasion and deformation, and broken wires shall comply with the relevant standards.
2.2.7 The geometric center plane of the gear teeth of the driving sprocket and driven sprocket should coincide, and the offset should not exceed the design requirements.
2.2.8 The chain has good tension, no rust, no cracks, no distortion, no looseness in the interference fit.
2.2.9 The chain and sprocket mesh well, and the anti-off-chain device is safe and reliable.
2.2.10 The steering device is reliable and reliable, flexible in rotation, good in lubrication, and accurate in positioning.
2.2.11 The motor base is firmly connected without abnormal deformation.
2.2.12 The motor runs normally without abnormal sounds or overheating.
2.2.13 The traverse frame is firmly connected, and there is no obvious distortion during operation.
2.2.14 The transmission wheel is in good contact with the guide rail (rail) without slippage, jamming, or derailment.
2.2.15 The bolts of the coupling shall not be loose or defective; the keys of the coupling shall be tightly matched and shall not be loose; the gear coupling and the cross slide coupling shall be regularly lubricated.
2.2.16 The load-carrying plate is overall flat, running smoothly, reliable braking, and accurate positioning. Adjacent loading plates should be kept parallel, running at the same speed, and without collision.
2.2.17 The brake friction pads shall have self-compensation ability, and the amount of wear shall meet the relevant standards.
2.2.18 The braking friction surface of the brake wheel shall be free of oil pollution, cracks, and defects that hinder braking performance. The brake base is firmly connected, and the brake spring has no plastic deformation.
2.3 Safety protection devices and requirements
2.3.1 Emergency stop switch
The emergency stop switch should be able to quickly cut off the main power supply of the power circuit in the event of an emergency and stop the parking equipment immediately, but the power supply of the power socket, lighting, ventilation, fire protection and alarm should not be cut off. The reset of the emergency stop switch should be non-automatic. The reset must not trigger or restart any dangerous situation.
2.3.2 Device for preventing overrun
    When the lift limit switch fails, the overrun prevention device should stop the equipment.
2.3.3 Length, width and height restriction device
    When the size of the parkable car is exceeded, the equipment must not be operated and an alarm should be issued.
2.3.4 Car blocking device
    A car stop device should be set at the place where the car wheel stops, and its height should not be lower than 25mm and there should be no permanent deformation.
2.3.5 Pedestrian and car accident detection device
    During the operation of the equipment, if other cars or personnel enter, the equipment should be stopped immediately.
2.3.6 car position detection device
    The equipment should not operate when the car is not parked in the correct position on the carrier or on the carrier board.
2.3.7 Interlocking protection device for entrance door (fence door)
    When the carrier is not parked in an accurate position, the parking entrance door should not be opened. If the door is open, the carrier should not be able to operate.
2.3.8 Automatic door anti-pinch device
    The anti-pinch device should be safe and reliable.
2.3.9 Anti-overlap automatic detection device
    The parking space condition (with or without a car) is accurately detected, and the movement should be safe and reliable.
2.3.10 Fall prevention device
    After the carrier (or car board) is in place, if an accident occurs, the fall prevention device must ensure that the carrier (or car board) does not fall.
2.3.11 Warning device
    When the parking equipment is running, the warning device should work.
2.3.12 Stopper at the end of the track
    The end stop device of the horizontal running track shall be able to withstand the impact generated by the running mechanism under rated working conditions, and there shall be no permanent deformation or defects.
2.3.13 buffer
    The buffer should be intact, safe and reliable.
2.3.14 Reinforced slack rope (chain) detection device or car board tilt detection device
    When a loose rope (chain) occurs during the movement of the car board (conveyor) or the car board tilts, the equipment should be able to stop running immediately.
2.3.15 Safety gear
    When the running speed of the carrier reaches the operating speed of the speed limiter, even when the suspension device is broken, the safety gear should be able to clamp the guide rail to stop the carrier with the rated load and keep it stationary.
2.3.16 Speed ​​Limiter
     The operating point of the speed limiter should be adjusted to 115% of the rated speed.
2.3.17 Emergency contact device
     In the event of an emergency such as a power outage or equipment failure, you should be able to communicate with the outside world.
2.3.18 Operation restriction device
The device must not be started without personnel leaving the device.
2.3.19 Control Interlock Function
     When the car access of the parking equipment can be controlled independently by several control points, these control points should be interlocked so that they can only be operated from the selected control point.
2.3.20 overload limiter
    When the actual load exceeds 95% of the rated load, the overload limiter should issue an alarm signal; when it exceeds 100% to 110% of the rated load, the overload limiter works, and the power of the lifting structure should be automatically cut off at this time.
2.3.21 Loading board locking device
    In case of accident, the car board should be prevented from slipping out of the parking space.
2.4 Appearance
2.4.1 The product nameplate, safety identification, safety protection and other facilities are complete without damage.
2.4.2 The wiring pipeline signs are clear, complete, and securely installed.
The metal structure surface of the equipment is well protected.