QGX height limiter

Minimum Order
Generally it packed by carton box and we could arrange the package as your requirements



QGX series height limiter designed and manufactured with digesting the related information of overseas one and combining with the practical condition in China . 
It is a safeguard applied for limiting the hoisting height of cranes. It operates with worm , worm wheel , cam and sensitive switch . It has the advantages of light weight , compact, reliable installation and long service life .It also can be assembled with height control meter through connecting with encoder, which forms electromechanical dual fail-safe .


Operation principle

The height limiter generally installed on the cover of reel's bearing pedestal and the worm is connected with barrel arbor . The reel rotates with worm wheel and worm . When the rim of cam contacts with the contact of sensitive swith ,the sensitive swith operates cutting off
the power for lifting and lowering . The hook block shall stop in the limiting positiom .Lifting and lowering has two protections respectively .

QGX height limiter  :
All kinds of crane, elevator, lifting stage, golf, bowling, etc have shift mechanical equipment, can effectively prevent the summit, derailed, falls wait for equipment and staff accident, which is widely used.
2.Technical Data about  QGX height limiter for tadano crane  

 1, environment temperature: - 25 °C ~ + 60 °C

2, working voltage: AC380V

3, working current: 5 A

4, QGX effective working circle:0 ~80 circles 


5, QGX height limiter : four adjustable limit position limit switches (can choose according to need to often open or closed)

6, QGX height limiter containing the gearbox and four grade adjustable limit switch (based on user's needs increase to 12 grade)

QGX height limiter is lifting height limit orders hint: according to hoisting machinery drum effective working circles selected models (QGX - type A, type B, C), the special request can indicate required when ordering lap or related materia.


Yichang WTAU Electronic Equipment Co. Ltd is a national high-tech enterprise which located in the "Hydropower capital"- Yichang. WTAU is committed to researching , developing and producing safety devices for cranecranes , automatic monitoring control systems , etc. WTAU puts the principle "make sure the lifting equipments are operated safely and reliably" as our duty and takes the high-tech as the core. WTAU has awarded many patents and major achievements of science and technology. The load moment indicator, load indicator, anemometer ,wind speed sensor,limit switches,etc. which are researched independently are widely used in electrical, chemical, steel, metallurgy, construction, ports, shipping and other industries.

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Yichang WTAU Electronic Equipment Co

China China
Contact Person: Errol wang
Telephone: +86 131 3580 0589
Location: Hubei, China
Business Type:Manufacturer
Main Target Region:World Wide
No.6 Gangcheng Road
Main Product:
load moment indicator
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