How to Improve the Structural Strength and Resistance to Damage of Speed Gates?
Publish Time: 2026-02-02
In modern smart security systems, speed gates, as core control devices at pedestrian entrances and exits, not only need to achieve efficient passage but also must maintain structural integrity and functional stability under high-frequency use, human impact, and even malicious damage. Especially in CBD commercial centers, high-end residential areas, kindergartens, and other locations with extremely high security and image requirements, their resistance to damage directly affects personnel safety and system reliability.
1. National Standard 304 Stainless Steel: The Cornerstone of High Strength and Corrosion Resistance
The main body of the gate uses stainless steel far superior to ordinary carbon steel or 201 stainless steel. More importantly, 304 stainless steel has excellent corrosion resistance, is not prone to rusting in humid, salt spray, or urban industrial atmospheres, and maintains its metallic luster for a long time. The stamping process allows the sheet metal to be formed into a box, column, or wing plate in one piece under high pressure in a mold, eliminating the heat-affected zone of welding and avoiding cracking caused by stress concentration in traditional welded structures. The overall design with no or few welds not only enhances the integrated aesthetics but also significantly increases torsional stiffness and impact toughness.
Traditional turnstiles are often assembled by welding multiple steel plates, and the weld points are prone to becoming weak points under stress. However, the key components of the Speed Gate are cold-stamped into a single piece using a large hydraulic press, forming a closed cavity structure. This "shell as skeleton" design concept allows the energy of external impacts to be quickly dispersed throughout the entire structure, rather than concentrated at a single point. For example, when subjected to a violent kick, the curved wing plate absorbs kinetic energy through elastic deformation and then returns to its original shape, avoiding permanent dents. Simultaneously, the internal reinforcing rib layout is optimized through finite element analysis, significantly improving bending and shear resistance without increasing weight.
3. Core transmission protection: DC brushless motor and anti-collision design working in tandem
While DC brushless motors are known for their quiet operation and long lifespan, their precision rotors still require physical protection. The turnstile embeds the motor deep within a 304 stainless steel chassis, and is equipped with shock-absorbing rubber pads and a metal protective cover to isolate it from external impacts and dust intrusion. More importantly, the system integrates an intelligent anti-collision mechanism: when the infrared beam or pressure sensor detects obstruction, the motor immediately reverses or stops, preventing forced operation and structural damage. Some high-end models are also equipped with a mechanical clutch—automatically slipping in the event of an overload impact to protect gears and motor shafts from breakage.
4. Surface Treatment and Detail Reinforcement: Comprehensive Resistance to Daily Wear and Deliberate Vandalism
The 304 stainless steel surface is brushed or sandblasted, presenting a low-key luxurious texture and effectively concealing minor scratches and preventing fingerprint residue. All exposed screws feature a countersunk hexagonal head design and are fitted with anti-tamper caps to prevent tool prying. The bottom of the gate is secured to the ground with high-strength chemical anchors to prevent the entire machine from being overturned. In special scenarios such as kindergartens, flexible silicone strips are wrapped around the edges of the wing panels, cushioning impacts without sacrificing the structural strength.
5. Modular Redundant Design: Ensuring Functional Continuity in Extreme Situations
Even with partial damage, the core passage mechanism can still operate independently. Key modules such as the power supply and control board are housed in an independent, sealed chamber with an IP54 or higher protection rating, making them waterproof and dustproof. In the event of a power outage, the electromagnetic clutch automatically releases, and the gate arm can be manually pushed open to ensure unobstructed emergency evacuation routes, balancing safety and compliance.
The structural strength and resistance to damage of the speed gate are not merely due to the sheer volume of thick steel plates, but rather the result of a deep integration of materials science, precision manufacturing, and intelligent control. It uses 304 stainless steel as its framework, stamping technology as its reinforcement, and intelligent protection as its nervous system, achieving a delicate balance between speed and safety. This is why it can consistently safeguard the safety and order of every entrance and exit, even under thousands of daily starts and stops, complex pedestrian traffic, and unexpected impacts.
