Prices of Cast Iron Gates (width x Height: 1.5m, 1.8m) From Ningbo
Cast Iron Gate Installation and Commissioning
1. After the equipment arrives at the site, check separately against the delivery note whether the gate is complete and undamaged. 2. Check whether the installation position of the gate and the civil engineering dimensions are consistent with the drawings. 3. During installation, it must be installed in four parts.
4. First, install the door frame: Before installation, weld and fix it to the embedded steel plate first. At this time, the two sides of the door frame must be parallel and perpendicular to the bottom frame and the upper frame. After the door frame is installed, carry out secondary pouring. The secondary pouring must be sealed tightly without water seepage. It can be used after the concrete is cured. When installing the door frame, ***the guide rail surface should be on the plumb line, and its inclination should not be greater than 1//1000.*** Its flatness and diagonal error should not exceed the standard requirements.
4.1 After the door frame is installed, clean up the sundries in the door frame at the same time to avoid affecting the installation of the gate leaf. In particular, there should be no other sundries on the sealing surface. 4.2 Pay attention to the diagonal error when installing the gate body.
4.3 Then install the hoist base, and pay attention to the flatness during installation.
4.4 During installation, check the clearance of the sealing ring between the gate plate and the gate frame. When the gate is under the *forward working head, the sealing leakage is less than 1.25L/min.
5. Installation method of the hoist: When fixing the position of the hoist, first adjust the center of the screw hole of the hoist to be in line with the axis of the gate, then insert the screw rod into the lifting lug of the gate, and then connect them with a pin to make them on the same plumb line. Then fix the connecting steel plate on the hoist to the base with bolts or by welding.
6. After the screw rod of the hoist is connected to the gate, check whether all parts are installed in place before using the hoist. In general, if it is not flexible to start, the position of the connecting plate can be finely adjusted. It can be fixed after it feels easy and flexible.
7. The driving device is dual-purpose for manual and electric operation, sensitive and reliable. When operating manually, first adjust the handle plate to the manual position when operating the handwheel, then rotate the handwheel or directly rotate the output shaft to realize the opening and closing action of the gate. At this time, the circuit is cut off, and electric operation cannot be carried out; when driven by the motor, the handwheel cannot be rotated. There should be no leakage at the sealing of all joint surfaces, and observe whether the manual device and the automatic reset function are in place.
8. The indicating type opening meter and the bidirectional over-torque switch are *reliable. The dial scale of the opening indicator is *** ratio. Its action value should be adjusted in actual use. The opening and closing degree control of the gate should also be adjusted according to the actual use situation during commissioning.
9. The opening and closing directions are marked on the handwheel. Rotating the handwheel clockwise closes the gate, and the manual operating force is not more than 150N.
10. The *torque of the motor of the electric opening and closing device should be more than 3 times the rated torque, and the continuous rotation time of the driving motor should not be less than 15 minutes.
11. The gate structure is easy to maintain and inspect, meeting the requirements for outdoor installation and use.
12. The local control equipment of the electric gate can transmit the gate's position signal to the PLC.
13. The opening and closing speed of the gate should not exceed 0.5m/min.
14. The signals of the fully open and fully closed positions of the gate, as well as the overload alarm signal, are sent to the control system. The gate has two control modes: manual and automatic, which can be selected by the mode conversion switch on the panel of the gate control box. The status of the mode conversion switch is fed back to the control system.
(1) Manual mode: The selector switch is located on the machine body. Operators can manually or electrically open and close the gate on - site.
(2) Automatic mode: The on - site electric control cabinet is equipped with an interface for transmitting status signals to the central control system and an interface for receiving remote control signals from the central control room.
The leading products of Hebei Yangyu Hydraulic Machinery Co., Ltd. include: LQ series screw hoists, such as hand - push type with lock: 0.3T - 3T, side - rocking type with lock: 0.3T - 5T, hand - cranked type: 3T - 20T, and dual - purpose (manual and electric) type: 3T - 100T (single - lifting point, double - lifting point); QPQ, QPK, QPG, QH series winch hoists, with single - lifting point, double - lifting point and electrically - driven mobile types. Hand - cranked devices can be added according to user requirements. The product tonnage ranges from 6T to 125T, which can be used in conjunction with flat and arc gates. The gate series includes three models: steel structure gates, cast - iron gates, and ductile - iron gates. Steel structure gates are made of high - quality steel plates and use rubber for water sealing (sandblasting and spraying anti - corrosion metal coatings can be applied to the gate surface. Products can be produced according to user - provided drawings). Cast - iron gates include flat cast - iron gates, ductile - iron gates, ductile - iron manhole covers, arc cast - iron gates, high - pressure cast - iron gates, flap gates, and tide gates. Water sealing can be achieved by inlaying copper, stainless steel, etc. according to user needs. We sell hydraulic flap steel dam gates and landscape steel dams of various specifications, sewage treatment equipment, and rubber belts for expansion joints of various specifications. Our company provides on - site maintenance services for hoists and gates of various models, and also sells accessories for hoists of various models.
Our factory's products are flexible in opening and closing, durable, have good sealing performance, and high automation. They are ideal mechanical equipment for water conservancy projects. We are willing to cooperate closely with various departments in water conservancy construction, agricultural development, urban flood control, etc. across the country. We will provide our most sincere services to meet the needs of the development of the water conservancy cause!
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