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xingtai minwei water conservancy machinery co., ltd.

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screw type opening and closing machineside-rotating machinewinding type switchhandwheel switchhydraulic startercast iron gatesteel gatemachine door integrated gatesteel damhydraulic damrubber water stopslewing cleaning machinegrab type dirt cleaning machineslap the door


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specializing in the production of water conservancy machinery, the main products are: screw type opening and closing machine, side rocking opening and closing machine, winch type opening and closing machine, handwheel opening and closing machine, hydraulic opening and closing machine; cast iron gate, steel gate, machine door integrated gate and other series; steel dams, hydraulic dams, rubber water stops, etc.; rotary cleaning machines, grab-type cleaning machines; knock-out series, etc.


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xingtai minwei water conservancy machinery co., ltd. consulting hotline 1 3 9 3 2 9 9 8 9 2 5 honors and qualifications industry information success cases product center website home about us product center steel dam hydraulic dam side rocking opening and closed hydraulic opening and closed handwheel starting closed winch opening and closing machine screw opening and closing machine door integrated gate cast iron gate steel gate knock door swing cleaning machine grab cleaning machine rubber water stop industry information success case qualification honor contact us national service hotline : 1 3 9 3 2 9 9 8 9 2 5 website announcement: specializes in the production of water conservancy machinery, main products: screw type opening and closing machine, side rocking type opening and closing machine, winch type opening and closing machine, handwheel type opening and closing machine, hydraulic opening and closing machine; cast iron gate, steel gate, machine door integrated gate and other series; steel dam, hydraulic dam, rubber water stop, etc.; rotary cleaning machine, grab cleaning machine; door series, etc. product classification steel dam hydraulic dam side shaking machine hydraulic dam handwheel opening and closing machine winch type opening and closing machine screw type opening and closing machine machine door integrated gate cast iron gate steel gate more classification steel dam hydraulic dam side shaking opening and closing machine hydraulic starter handwheel starter product classification P r o d u c t c e n t e r screw type opening and closing machine cast iron gate steel gate grab cleaning machine industry information N e w s 0 1 the use and maintenance of arc-shaped cast iron gates. the use and maintenance of arc-shaped cast iron gates. 1. the cast iron gates are mainly composed of: (1) door frame, (2) door body, (3) guide rails (small specifications are connected to the door frame, large specifications split with door frame), (4) transmission screw, (5) hanging lug, (can also be integrated with door body), (6) sealing surface, (7) shaft guide frame, (8) opening and closing device wait.     2 、 working principle: the gate door frame and door body are installed in the underwater part, and the guide rail is installed at the upper end of the door frame, ensuring that the door body is working, along the door frame and guide rails are reciprocating vertically in the upper and lower directions within a certain stroke.     because the gate works underwater, for easy operation, an opening and closing device is set up underwater. since the gate elevation is inconsistent, the length of the transmission screw and the setting of the shaft guide frame depends on its specific size (see details for sample product of our factory). the hanging lugs, hanging blocks and pins are mainly used to connect the transmission screw to the door body, so that the power source for the door body to reciprocate upward and downward movement comes from the opening and closing machine.     when working, turn the starter and close the handle (electric starter and close the machine, just press the control box power switch button) to make the nut or screw worm gear rotate, drive the transmission screw to work, and make the door body reciprocate up and down relative to the door frame. at the same time, the wedge tightening device uses the working principle of tightening and loosening of the wedge blocks, so that when the door body is lowered to the set position, the door frame and door body sealing seat surface can be effectively fitted, playing a water cutoff effect.     when the door body is fully opened upward, the water will clear; otherwise, it will be cut off. if the water level needs to be adjusted due to work, it can also be opened and closed halfway to achieve the purpose of unblocking, cutting off and adjusting the water level. if a flashlight dual-purpose switch is used, users can refer to the electric device instructions issued to your unit by our factory to adjust the opening and closing strokes of the gate. if the manual switch is used, it can be manually turned off or turned on according to the on-site situation.     3 、 use and maintenance 1. when using a manual opening and closing machine to open and close the gate, the force should be applied evenly and do not use too much force to prevent damage (injury) the positioning device.     2 、 when using a dual-purpose flashlight switch to open and close the gate, you should note: a 、 when using electric power to open and close, check whether the hand handle is off the shaft to avoid injuring the person during startup.     b 、 when manually turning on and off, the power should be cut off and the shaker should be inserted into the hole and shaken (or cut the electric mark on the electric device into the manual mark).     c 、 every 23 months, fill lubricating fluid with the starter bearing, transmission screw, nut, etc. 12 times. during major maintenance, the bearing part should be filled with butter.     d 、 the gates need to be painted and anti-corrosion treatment every year. 0 2 two reasons for accidents during the use of screw opening and closing machine 1. when using screw opening and closing machine for top gate accidents caused by human factors, if the gate opening and closing procedure is not followed, check first, then the operation or the original operator asks for leave due to the incident, when the shift staff is not familiar with the opening and closing procedures and methods, they operate blindly. if the direction of opening and closing is reversed, the gate is opened when the gate is in a closed state, press the wrong button when the gate is opened or closed manually, or shake the reverse direction when the gate is opened or closed manually, and the direction of the gate is misoperated as opening; some are closed when the gate is closed the operator is not focused and the gate fails to stop immediately when it reaches the lower limit position. some of the screws are shifted by the limit nuts and limit signs, which do not play a limit role. the electric starter will also encounter the power supply phase sequence changes when the power supply department is repairing electrical equipment or power supply lines, causing the motor on the starter to change the original operating direction, which causes the starter to close, and the starter to close. at this time, the screw starts to close. if the gate is opened when the gate is closed, a top gate accident will inevitably occur.     2 . during the operation of the gate gate, floating objects such as trees or stones are carried to the bottom of the gate by high-speed water flow or rushing into the gate groove. if the gate is closed at this time, the gate will be lowered. before contacting the bottom of the gate, it has been blocked by an obstacle to produce a reaction force, but the limit sign or limit switch on the screw has not been in place, so it cannot serve as a limit stop or remind the operator to stop. therefore, the operator will not stop. , the opening and closing machine will drive the gate to continue to press down. when the reaction force exceeds the endurance of the opening and closing machine or opening and closing platform, a top gate accident will also occur. during use, you should pay special attention to the gate accident of the screw opening and closing machine. if such an accident occurs, it should be dealt with in a timely manner to avoid more serious accidents. 0 3 before the power-on test of the opening and closing machine operation inspection and adjustment of electrical equipment, all wiring should be carefully checked and comply with the drawing requirements. the insulation resistance of the entire line must be greater than 0.5 M Ω only then can the power-on test be started. during the test, the temperature rise of each motor and electrical component should not exceed the respective allowable value, and the test should use the machine's own electrical equipment. if the contacts and other components are burned during the test, the cause should be found and replaced. the entire stroke of the opening and closing machine should be lifted and lowered 3 times. the following electrical and mechanical parts should be inspected and adjusted. 1 . there should be no abnormal heating of electrical equipment. 2 . the motor should run smoothly, and the three-phase current imbalance should not exceed ± 1 0 % , the current value should be measured. 3 . limit switches should be checked and debugged ( including charge level pressure opening contact ) , the switch operation should be accurate and reliable. 4 . the height indicator and load indicator should accurately reflect the stroke and weight. after reaching the upper and lower limit positions, the main command switch should be able to send a signal and automatically cut off the current to stop the starter and shut down. 5 . when all mechanical components are running, there should be no impact sound or other abnormal sounds; the wire rope shall not rub against other components at any part. 6 . when the brake brake shoe is unblocked, the gap should meet the requirements, and the release current value should be measured. 0 4 regarding the adjustment of the opening and closing machine, the opening and closing machine has no load test. the entire stroke should be lifted and lowered 3 times. the following electrical and mechanical parts should be inspected and adjusted.     1 . there should be no abnormal heating of electrical equipment.     2 . the motor should run smoothly, and the three-phase current imbalance should not exceed ± 1 0 % , the current value should be measured.     3 . limit switches should be checked and debugged ( including charge level pressure opening contact ) , the switch operation should be accurate and reliable.     4 . the height indicator and load indicator should accurately reflect the stroke and weight. after reaching the upper and lower limit positions, the main command switch should be able to send a signal and automatically cut off the current to stop the starter and shut down.     5 . when all mechanical components are running, there should be no impact sound or other abnormal sounds; the wire rope shall not rub against other components at any part.     6 . when the brake brake shoe is unblocked, the gap should meet the requirements, and the release current value should be measured.     7 . when using dc current to unwind the gate for the fast gate opening and closing machine, the dc current value and the unwindling gate should be checked and recorded separately. m i n the temperature of the electromagnetic coil. see more success stories c a s e case display case display case display case display case display case display case display see more about us A b o u t U s xingtai minwei water conservancy machinery co., ltd. xingtai minwei water conservancy machinery co., ltd. is a large-scale water conservancy engineering machinery production enterprise specializing in the production of water conservancy machinery. the main products are: screw type opening and closing machine, side shaking opening and closing machine, and winch opening closing machine, handwheel opening and closing machine, hydraulic opening and closing machine; cast iron gate, steel gate, machine door integrated gate, etc. series; steel dam, hydraulic dam, rubber water stop, etc.; rotary cleaning machine, grab cleaning dirt machine; door series, etc. the company has more than 20 years of production history experience, advanced production technology, complete testing equipment, and strong technical strength. the products have been sold to more than 20 provinces, cities and autonomous regions across the country, and have been installed for thousands of projects.     the company's products are flexible in opening and closing, durable, have good sealing performance and high degree of automation. they are highly praised by customers and have won... view more homepages of the website H o m e about us A b o u t product center P r o d u c t c e n t e r industry information N E W S success stories P r o d u c t s qualifications and honors h o n o r contact us c o n t a c t national service hotline: 1 3 9 3 2 9 9 8 9 2 5 1 3 4 1 1 3 9 1 0 4 online consultation and sharing website map ( x m l / h t m l ) friendly links l i n k s taobao baidu address: yingtai industrial zone, ningjin county, xingtai city, hebei province tel: 1 3 9 3 2 9 9 8 9 2 5 copyright: xingtai minwei water conservancy machinery co., ltd. I C P registration number: hebei I C P prepare 2 0 2 0 0 2 5 0 5 0 1

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