Tension jacks are mainly used in bridge pre-stress tensioning operations, and are usually used in conjunction with tensioning oil pumps. Since there are many types of tension jacks, usually when ch...
(1) FunctionThe main use environment of the lifting device is coal dust and flammable and explosive gas in the coal mine underground or wellhead, which is its basic function. The electronic control...
Hydraulic System Principle Of Hydraulic Lifting Device
2023-11-18
The hydraulic system is an independent hydraulic transmission device, which supplies oil according to the requirements of the main engine and controls the direction, pressure and flow of the oil fl...
Key Technology Of Automatic Hydraulic Jacking Device
2021-04-21
1) Fully automatic hydraulic jacking technology is used in the environment where large equipment in the metallurgical industry and other fields unconditionally use lifting equipment for hoisting; i...
Tachnical Parameter:The Continuous Jack is a construction equipment that provides stable power in bridge lifting, pushing, leveling and vertical construction. Intelligent continuous push (rotation)...
Pre-Stressed Intelligent Grouting Is Better Than Traditional Grouting
2021-04-17
The pre-stressed intelligent grouting equipment can completely remove the air in the tunnel, accurately control the grout-water-binder ratio, timely adjust the grouting pressure and stabilization t...
Hydraulic Jacking Protection Of Railway Upper Span Structure
2021-04-16
With the development of railway construction, a considerable part of our country’s existing railways have undergone electrification and the operation of double-deck container trains requires suffic...
The core equipment of the synchronous hydraulic jacking technology adopts computer control, which automatically completes multiple functions such as synchronous lifting, load balancing, attitude co...
The Synchronous Lifting Hydraulic Jack Cannot Be Retracted Or Is Abnormal
2021-04-15
Because the pressure relief valve is not opened, the oil tank is too much, the hydraulic joint is not tightened or the hydraulic jack retracting spring is damaged; check the pressure relief valve a...
The Specific Scheme Of The Electro-Hydraulic Integrated System Of Hydraulic Lifting Equipment Is Det
2021-04-13
At present, the electro-hydraulic integrated control system has achieved great development, and its manifestations are also diverse. According to the different electro-hydraulic control valves used...
Construction Method Of Bridge Prestress Intelligent Tension And Grouting System
2021-04-12
Process principle1. Process principle of intelligent tensioning systemBridge prestress intelligent tensioning system refers to a kind of prestress automatic tensioning equipment and its computer co...
The first step, emptying: Turn on the oil pump, first loosen all four handwheels on the valve body, turn on the reverse switch below, turn on the left side for 10-20 minutes, and turn on the right ...
Precautions When Using Intelligent Tensioning Oil Pump
2021-04-10
Because of our country’s special terrain features, our country has a lot of bridges. These bridges directly cross large rivers and are built directly around mountains. These bridges have great bene...
(1) FunctionThe main use environment of the lifting device is coal dust and flammable and explosive gas in the coal mine underground or wellhead, which is its basic function. The electronic control...
The Composition Of The Bridge Hydraulic Lifting System
2021-04-08
Jacking technology is a new type of bridge construction technology, which used to be mainly used in housing construction engineering correction and bridge jacking construction technology. In recent...
Causes Of Incorrect Hydraulic Cylinder Action Due To Hydraulic Lifting
2021-04-07
Hydraulic lifting, after a long period of time, the hydraulic cylinder may sometimes have malfunctions or errors. These are relatively common phenomena. Although the results are the same, the reaso...
The Control Problems In The Construction Of Hydraulic Synchronous Jacking Technology
2021-04-07
1. Use the on-site manufacturing segment method for constructionWhen constructing the bridge, it is a very common construction method to divide the bridge into several sections, build them outside ...
Features Of The Control Structure Of The Synchronous Lifting Hydraulic System
2021-04-06
The existing hoisting equipment series products are full hydraulic transmission and control structure. The composition and working principle of the hydraulic system are basically the same, and the ...
Maintenance Method Of Hydraulic Electric Pump After Use In Winter
2021-04-05
Hydraulic electric pumps and oil motors will inevitably fail during use. These failures can be divided into sudden and abrasive failures. Among them, abrasive failures mostly occur in the later sta...
Intelligent tensioning and tensioning equipment is a device for tensioning pre-stressed steel bars when making pre-stressed reinforced concrete products or components. There are many kinds. There a...
What Factors Should Be Paid Attention To When Choosing A Hydraulic Lift
2021-04-03
Synchronous lifting, when we choose hydraulic lifting equipment, consider the following important factors:1. StressThe level of pressure and the length of the pressure cycle change have a great inf...
Solution To The Wrong Action Of Hydraulic Cylinder Caused By Hydraulic Lifting
2021-04-02
1. If the temperature is relatively low, the viscosity of the hydraulic oil will be very large, which will make its fluidity worse, which will cause the hydraulic cylinder to slow down. If this hap...
The steel bar bending machine is suitable for bending processing of steel bars in reinforced concrete structures such as highways, high-speed railways, and large bridges. In order to ensure the per...
Prestressed Tension Construction Technology Standard
2021-03-19
1. Scope of useIt is suitable for pre-tensioned pre-tensioned and post-tensioned concrete railways, highways, highway bridges; concrete house construction prefabricated parts factories and on-site ...
The Main Points Of Choosing CNC Steel Bar Bending Center
2021-03-17
The CNC steel bar bending center is a new type of steel bar processing equipment. The quality of the bending center will also affect the bending effect of the steel bar. Therefore, it is very impor...
1. Conventional Anchorage for CylinderThe specifications of this kind of prestressed anchorage are generally M15-N or M13-N. This kind of anchorage has very good self-anchoring performance and anch...
1. Play a role in local reinforcement of unstable rock massesRemind everyone that in all engineering constructions, there will be local unstable blocks in the rock mass due to the combination of va...
Common Faults And Solutions Of CNC Steel Bar Bending Center
2021-03-13
The CNC steel bending center is a special equipment for steel bending. Various failures may occur due to reasons during use. Below we summarize several common failure phenomena and solutions for ev...
Instructions for use of anchors1. The anchor hole and clip should not adhere to other debris such as mud and sand.2. Work anchors should not be used in place of tool anchors.3. The anchors should b...
How To Choose A Better Prestressed Equipment Manufacturer
2021-03-11
Which manufacturer of pre-stressed intelligent tensioning equipment is good mainly depends on these points:1. The official website of the manufacturerMany manufacturers have promoted their products...
Several Problems That Need To Be Paid Attention To In The Use Of Steel Bending Machine
2021-03-10
The steel bar bending machine is a special equipment that bends the straightened and cut steel bars into the required size and shape. There are several problems that need to be paid attention to wh...
Several Questions And Answers About The Front Cassette Jack
2021-03-10
1. How does the front cassette jack work?First, the high-pressure oil pipe is connected to the oil pump, and the professional connects the oil pump to the power supply through the power cord, and t...
Hydraulic lifting system is a technical term for metallurgy.Support rodThe supporting rod is also called the climbing rod. It is not only the track for the hydraulic jack to climb, but also the loa...
What Are The Technical Specifications Of Smart Tensioning Equipment
2021-03-09
With the development of productivity and continuous leaps in scientific progress, many products in the construction industry have gradually begun to realize intelligence and technology. Among them,...
1. The bridge tension jack should use 32# or 46# hydraulic oil in summer and 32# hydraulic oil in winter. The oil should be kept strictly clean, finely filtered frequently, and replaced regularly.2...
1. The use of new-type seals enables the sealing strength of the seals to be strengthened simultaneously when the cylinder is under high pressure.2. The use of special alloy steel cylinder material...
The Principle And Function Of Synchronous Lifting Hydraulic Jack
2021-03-05
Now there are many aspects of our survival that require the use of hydraulic jacks. Hydraulic jacks are a kind of jacks, usually used in industrial buildings or repairing cars, etc., as the meaning...
Improper installation of the head wheel and bottom wheel drive shaft of the hoist can easily cause the hopper belt to deviate. The main manifestations are: the drive shafts of the head wheel and bo...
The Application Of Prestressed Intelligent Tension Grouting System Compared With Traditional Tension
2021-03-04
1. The difference between pre-stressed intelligent tensioning equipment and ordinary tensioning equipment. During the engineering process, our traditional tensioning equipment is operated more manu...
What Are The Functions Of The Hydraulic Lifting Device
2021-03-02
(1) Explosion-proof functionThe main use environment of the lifting device is coal dust and flammable and explosive gas in coal mine underground or wellhead. Explosion-proof is its basic function. ...
How Should The Smart Tension Jack Be Routinely Maintained?
2021-03-02
1. Before stretching, you need to prepare high-quality mineral oil, or use 46# hydraulic oil and diesel 1:1.2. Before installing the oil pipe, make sure that the interface is clean, and the oil pip...
Liuzhou Lingqiao Held The 2017 Annual Summary Meeting
2020-01-01
On January 3, 2017, Liuzhou Lingqiao Prestressed Machinery Co., Ltd. held the 2017 annual work summary meeting in the company headquarters, and all the company members attended the meeting.The main...
With the guidance of experienced building experts in prestressing force, we have more experience. Our Lingqiao prestressing anchorage system was developed by many famous research institutes including China Academy of Building Research.