Description
Elevator Landing Door Lock Device MKG161-15 Brief Introduction
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Product Name |
Elevator Landing Door Lock Device |
| Model Number | MKG161-15 |
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Quality
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Original.Brand New
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Payment
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T/T. Paypal. Western Union
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Delivery
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3-5 Working Days
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Packaging
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Packed by carton
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Elevator Landing Door Lock Device MKG161-15: Safety Locking Core from Nanjing Zhuye Elevatorparts
Elevator Landing Door Lock Device MKG161-15 is a critical safety component for elevator systems, serving as the “safety barrier” between the elevator shaft and the building’s floors. It is specifically designed to lock the elevator landing door when the elevator car is not at the floor, preventing passengers or objects from accidentally falling into the shaft. When the elevator car arrives at the target floor, the device cooperates with the car door opener to unlock the landing door smoothly, ensuring synchronized opening and closing of the car door and landing door. This lock device directly relates to the core safety of elevator operation, as its reliability determines the protection of passenger lives and property. Exclusively supplied by Nanjing Zhuye Elevatorparts, a professional and trusted provider of high-quality elevator safety components, the Elevator Landing Door Lock Device MKG161-15 fully complies with international elevator safety standards (EN 81-20, GB 7588) and mechanical lock technical regulations. With high locking reliability, sensitive unlocking performance, and broad compatibility with mainstream elevator landing door models, it is widely applied in residential buildings, commercial complexes, high-rise buildings, and public facilities worldwide.
Nanjing Zhuye Elevatorparts adheres to the core philosophy of “Absolute Locking, Safe Unlocking” and implements rigorous quality control throughout the production and inspection process of the MKG161-15 landing door lock device. Each unit undergoes a multi-stage pre-delivery inspection protocol, including locking force testing, unlocking sensitivity verification, durability trials, and corrosion resistance detection. The device adopts advanced structural design and premium materials: the main locking mechanism is made of high-strength alloy steel with precision machining, ensuring a locking force ≥ 1500N to resist external prying; the electromagnetic unlocking component features fast response (response time ≤ 0.2s) and stable performance, ensuring accurate unlocking only when the car is in place; the shell and internal components are subjected to anti-rust and anti-corrosion treatment, adapting to the humid and dusty environment in the elevator shaft; the built-in safety interlock switch cuts off the elevator operation circuit when the landing door is not properly locked, preventing the elevator from running with an open landing door. With standardized mounting dimensions and connection interfaces, the MKG161-15 allows for quick and seamless installation, eliminating the need for complex modifications to existing landing door systems.
Step-by-Step Usage Guide for Elevator Landing Door Lock Device MKG161-15
To maximize the safety and performance of the Elevator Landing Door Lock Device MKG161-15, and to ensure the safe and stable operation of the elevator system, strictly follow the professional guidelines provided by Nanjing Zhuye Elevatorparts for installation, debugging, and maintenance:
1. Professional Installation & Debugging
Installation must be conducted by certified elevator technicians proficient in elevator door systems and safety components. Prior to installation, refer to the compatibility manual provided by Nanjing Zhuye Elevatorparts to confirm that the MKG161-15 is compatible with the target elevator’s landing door model, door leaf weight, and opening direction. The installation steps are as follows:
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Safety Preparation: Cut off the elevator’s main power supply and lock the power switch to prevent accidental power-on. Fix the elevator car to a non-target floor using mechanical supports to avoid interference with landing door installation. Clean the mounting position on the landing door frame (designated by the elevator manufacturer) to remove dust, oil stains, and debris.
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Lock Device Installation: Fix the MKG161-15 landing door lock device to the landing door frame using high-strength bolts provided by Nanjing Zhuye Elevatorparts. Ensure the device is installed horizontally and vertically, with the locking tongue aligned with the locking catch on the landing door leaf. Connect the device’s electromagnetic coil wires and safety interlock switch wires to the corresponding interfaces of the elevator main controller, ensuring correct wiring polarity and tight connections.
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Locking & Unlocking Adjustment: Adjust the position of the locking catch to ensure the landing door can be locked tightly when closed, and the locking tongue fully engages (engagement depth ≥ 7mm). Test the unlocking performance by simulating the car door opener’s action—ensure the locking tongue retracts smoothly when the electromagnetic coil is energized, and the landing door can be opened without resistance. Adjust the spring force of the locking tongue to ensure it rebounds quickly and locks reliably when the electromagnetic coil is de-energized.
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Post-Installation Check: Restore the elevator’s power supply and switch to inspection mode. Operate the elevator car to the installed floor to verify that the landing door unlocks synchronously with the car door and locks automatically after the doors close. Use a multimeter to detect the safety interlock switch—confirm that the switch is closed (circuit connected) when the landing door is locked, and open (circuit disconnected) when the door is open. Conduct 10 consecutive opening and closing tests to ensure the device operates stably without failure.
2. Daily Operation & Routine Maintenance
Regular inspections and maintenance are essential to early fault detection and ensuring the long-term stable operation of the MKG161-15 landing door lock device. Maintenance personnel should integrate the following checks into their daily patrol routines:
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Daily Visual Inspection: During floor patrols, check the external condition of the MKG161-15. Ensure the device shell is free of deformation, cracks, or corrosion; the locking tongue is intact without bending or wear; the connecting wires are intact without aging or loose connections. Test the landing door manually (after cutting off power) to confirm it can be locked tightly and unlocked smoothly.
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Weekly Function Test: Switch the elevator to inspection mode and operate the car to each floor to check the synchronization of landing door unlocking and car door opening. Use a force gauge to test the locking force of the landing door, ensuring it meets the standard requirement (≥ 1500N). Check the electromagnetic coil’s temperature after continuous operation to confirm no abnormal overheating.
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Monthly Cleaning & Lubrication: Cut off the power supply and clean the MKG161-15’s locking mechanism, locking tongue, and sliding surfaces with a soft, dry cloth to remove dust and debris. Apply the special lubricating oil recommended by Nanjing Zhuye Elevatorparts to the moving parts (locking tongue, hinge points) to ensure flexible movement. Inspect the safety interlock switch’s contact condition and clean it if there is oxidation.
Recommended Replacement Cycle for Elevator Landing Door Lock Device MKG161-15
As a core safety component enduring long-term frequent locking and unlocking operations, mechanical wear, and environmental erosion (humidity, dust, vibration in the shaft), the Elevator Landing Door Lock Device MKG161-15 has a specified service life. Timely replacement is critical to avoiding faults such as insufficient locking force, delayed unlocking, or failure to lock—issues that may lead to landing door misalignment, accidental opening during elevator operation, or even serious safety accidents involving falls into the shaft.
1. Standard Replacement Cycle
Under normal operating conditions (elevator daily operation time 12–24 hours, daily landing door opening/closing cycles ≥ 1800, environment temperature -10–60℃, humidity 10%–95%), the recommended replacement cycle for the MKG161-15 is 5–6 years. This cycle is determined based on Nanjing Zhuye Elevatorparts’ long-term field operation data, component wear tests, and global user feedback on elevator safety systems.
2. Adjustments for Special Scenarios
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Harsh Environments & High-Traffic Scenarios: For elevators in high-humidity coastal areas (salt spray corrosion), shaft pits prone to water accumulation, or high-traffic areas (e.g., shopping malls, airports) with daily landing door cycles ≥ 3000, the replacement cycle should be shortened to 3–4 years. Harsh conditions and frequent use accelerate the wear of the locking mechanism, electromagnetic coil aging, and shell corrosion, significantly reducing the device’s reliability.
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Low-Frequency Use Scenarios: For elevators with low usage frequency (e.g., villa elevators, small office buildings with daily operation time < 8 hours) and stable shaft environments, the replacement cycle can be extended to 6–7 years—only if Nanjing Zhuye Elevatorparts’ professional technicians conduct an inspection and confirm that the device’s locking force, unlocking sensitivity, and interlock switch performance meet the original factory standards.
3. Immediate Replacement Conditions
Replace the MKG161-15 immediately if any of the following issues occur, regardless of its service life:
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The locking force is insufficient (＜1000N), and the landing door can be pried open easily, posing a serious safety hazard.
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The unlocking is delayed or ineffective, causing the landing door to fail to open synchronously with the car door, or the locking tongue gets stuck and cannot retract.
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The safety interlock switch fails, and the elevator can still operate when the landing door is open, violating safety operation regulations.
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The main locking mechanism is severely worn, cracked, or deformed, and the electromagnetic coil is burned out or fails to respond, making the device unable to function normally.
In conclusion, the Elevator Landing Door Lock Device MKG161-15 supplied by Nanjing Zhuye Elevatorparts is a high-quality, reliable safety component tailored for modern elevator systems. By adhering to the correct usage methods, maintenance schedules, and replacement cycles outlined above, elevator maintenance teams can effectively ensure the safe operation of the elevator landing door system, safeguard passenger lives and property, and comply with relevant safety regulations. Choosing Nanjing Zhuye Elevatorparts means you not only get 100% authentic MKG161-15 landing door lock devices but also access to professional technical support—including model matching guidance, on-site installation and debugging advice, and prompt after-sales service. Trust Nanjing Zhuye Elevatorparts for your elevator’s safety locking needs.
