1. Brief Introduction
The ventilation systems in our company consist of Roof Ventilation Systems and Side Ventilation Systems according to the difference of the installation position. The Roof Ventilation Systems include the Roof Track-Cross Ventilation System and Roof Row-Rack Ventilation System. The Side Ventilation System refers to the side Cooling-Pad Ventilation System. Moreover, we also supply the Roof or Side Plastic-Film Reeling Ventilation System (Manual or Electric).
2. Working Principle
Natural ventilation system, including the top of the track push rod, the window drive system uses the domestic quality products.
The greenhouse roof with one side gear rack push window, see the figure below is the top window application, greenhouse skylight size 4*1m, the greenhouse roof window direction single layout, window area accounts for about 10% of the area of the greenhouse. The opening mechanism drive system adopts the special gear rack, the transmission shaft and the push rod for the national standard galvanized steel pipe, which is adopted by the WJN40-2.6 reduction motor and track rod.
The roof window staggered materials refer to table 1, the window rack and pinion gear rack rail rod using special, product technical parameters see Table 2, gear motor using WJN40-2.6 motor speed; roof window interleaving technology parameters see table 3.
The opening and closing of the motor can be realized under the instruction of the operator. The motor comes with working limit and safety switch to achieve safe and reliable action.
Table 1 Main materials and specifications of the staggered window opening mechanism
of the roof
| Item |
Description |
Size |
Note |
| 1 |
Window rack and pinion |
JX25R,S750 |
Rainbow brand |
| 2 |
Gear motor |
WJN40-2.6 |
Holland Ridder |
| 3 |
Drive shaft |
1"*3.0 |
Rainbow brand |
| 4 |
Coupling |
1" |
Rainbow brand |
| 5 |
Window frame support |
Hot dip galvanizing |
Rainbow brand |
| 6 |
Open window bearing seat |
1" |
Rainbow brand |
| 7 |
Window edge hinge support |
Aluminum alloy |
Rainbow brand |
Table 2 Technical parameters of gear and gear rack
| Model |
Rack length |
Maximum thrust (N) |
Maximum torque (Nm) |
Operation length (mm) |
Rack thickness(mm) |
| RB25R,S750 |
1050 |
5000 |
32.5 |
750 |
15 |
Table 3 Technical parameters of the roof staggered windows
| Operation speed(m/min) |
0.093 |
| Single operation time(min) |
8.1 |
Holland Knight (Ridder) Group continued to innovate the global planting program for 60 years, Knight (Ridder) drive system is the world's leading agricultural sector market leader in the field of agricultural.
The company R & D, production and marketing of a full set of electric mechanical driving system, mainly used in the field of agriculture vents, curtain, window, heating and turning feed line of mobile, operating globally, is the international market leader.
3. Greenhouse equipment packing & delivery:
We make sure the strongest packing in our factory, the fastest delivery speed and the best quality of our greenhouse product. We can provide 12 months guarantee after the delivery.
4. Our service:
* We can supply free sample for you checking quality.
* Any problem about our products will be solved at the most prompt time.
* We always offer relative technical support/consultant and kindly after-sales servie
5. Company information:
We insist on business philosophy "Professional, Integrity, Customer First", provide top class products and services. Focuses on customer demand, takes technical innovation as drive, relies on quality assurance system, Rainbow keeps technology and services leading among peers.
6. FAQ
Q: How long is your delivery time?
A: Generally it is 20-30 days after order.
Q: Do you provide samples? Is it free or extra?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: How to install the greenhouse? Do you provide installation service?
A: We will provide paper or video building manual, or if needed we will send engineer
To do installation guidance.
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