伸縮棚在日常生活中應用廣泛，所以里的品種繁雜，質量不一。很多人面對的是魚龍混雜的，往往不知道該如何選擇。下面小編就為我們分享五點，可以在一定程度上幫助我們正確選擇推拉棚。

Retractable sheds are widely used in daily life, so there are many varieties and different quality in shopping malls. Many people are faced with a mixed market, often do not know how to choose. The following editor will share five points for us, which can help us choose the sliding shed correctly to a certain extent.

要點一:從伸縮棚頂部的架子判斷。

Point 1: judge from the shelf on the top of the telescopic shed.

棚架需要合理的距離來滿足斜拉筋的數量，質量差的伸縮棚斜拉筋會少，距離太長。偷工減料的結果是結構承載力嚴重不足，結構簡單變形，使用壽命嚴重降低。抵御不了風，隨時有倒塌的危險。

The top shelf needs a reasonable distance to meet the number of diagonal braces. The diagonal braces of the telescopic shed with poor quality will be less and the distance is too long. The result of cutting corners is that the bearing capacity of the structure is seriously insufficient, the structure is simple and deformed, and the service life is seriously reduced. Unable to resist the wind, there is a danger of collapse at any time.

要點二，彈力架長度合理。

Second, the length of the elastic frame is reasonable.

彈性框架長度影響柱的穩定性，從而影響整體穩定性。

The length of elastic frame affects the stability of columns, thus affecting the overall stability.

要點三:螺栓的材料

Key point 3: bolt material

螺栓是連接立柱和頂架的鉸鏈，一般單獨使用加厚管。質量差的是用邊角料。螺栓是車架受力的關鍵部位，材質尤為重要，直接影響牢固程度。邊角料的使用導致危險壽命短。

The bolt is the hinge connecting the column and the top frame, and the thickened pipe is generally used alone. Those with poor quality are leftover materials. Bolts are the key parts of the frame, and the material is particularly important, which directly affects the firmness. The use of leftover materials leads to short dangerous life.

要點四:布料的材料。

Point 4: material of cloth.

OK伸縮棚選用PVC網布，抗拉強度強，使用壽命約5-10年。而差的伸縮棚是用普通廉價油補充的，年限的約束大概短1-2年。

OK telescopic shed adopts high-quality PVC mesh, with strong tensile strength and service life of about 5-10 years. The poor telescopic shed is supplemented by ordinary cheap oil, and the age constraint is about 1-2 years shorter.

要點五:制造技術

Key point 5: Manufacturing Technology

濟南伸縮棚制造時通常先制造模具，零件長度普通，沖壓方向普通，開口正常，受力均勻，長度普通，無扭轉。質量差異是:長度不符和打孔錯誤。沖壓誤差，簡單斷裂，長度誤差，扭轉。頂篷活動需要統一驅動所有附件。如果配件不對稱，就容易產生各種扭轉，不容易拉動，簡直損壞配件，降低壽命。

Jinan telescopic shed is usually manufactured with molds first. The length of parts is ordinary, the stamping direction is ordinary, the opening is normal, the force is uniform, the length is ordinary, and there is no torsion. The quality difference is: inconsistent length and wrong punching. Stamping error, simple fracture, length error, torsion. Roof movement requires all accessories to be driven uniformly. If the parts are asymmetrical, it is easy to produce various torsion, which is not easy to pull, and it simply damages the parts and reduces the service life.

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