There are many projects in summer, which is precisely the season of frequent mini excavator failures. "Three high" is the common fault of excavator construction in summer, and is the main factor leading to failure and shutdown....

The main factors affecting the compaction effect of vibratory road roller are static line load, amplitude and frequency, rolling speed and rolling times, width and diameter of vibratory wheel, number of vibratory wheels and driving form, and mass ratio of frame and vibratory wheel. The most important factors are static line load, amplitude and frequency....

In order to implement the work requirements of the Implementation Opinions of the Jining Municipal People's Government on Strengthening Brand Construction and Sharing "Good Shandong" to Promote High-quality Development (JZZ [2016] No. 75) and the Implementation Opinions of the Jining Municipal People's Government on Accelerating Brand Construction (JZZ [2016] No. 135) on "Deeply promoting the quality of the city and brand strategy, cultivating and identifying Jining famous brand products", To further promote the process of high-end brands in Jining, build a distinctive brand system in Jining, cultivate a number of high-end well-known brands with market competitiveness, and promote the high-quality development of Jining's economy and society. Recently, Jining Brand Construction Promotion Association announced the list of Jining's famous brand products (services) in 2022. The excavator independently developed by China Coal Group was successfully selected and was rated as Jining famous brand product in 2022....

In the construction work, the concrete leveling machine is mostly used for the indoor and outdoor floor leveling work. Do you know the leveling principle of the concrete leveling machine? Let's take a look...

Concrete Pump is a small equipment for concrete conveying at present, which reduces cost pressure and tedious operation procedures for users, making the operation simpler, more convenient and more automatic when users use the machine. The equipment adopts a full hydraulic double-cylinder pumping system, which greatly improves the overall reliability of the machine. The equipment has many advantages such as compact structure, reasonable structure, stable operation, energy saving and environmental protection, long conveying distance, convenient movement, convenient maintenance and low cost of use....

Why is the powertrain of the special tractor for impact rollers in the front? What are his advantages? First of all, we need to know what is the front of the powertrain of the special tractor for impact rollers? The following small series of road roller company will take you to understand it....

Concrete pump is also a kind of construction machinery and equipment, and has played a great role in the entire machinery industry. There are many domestic machinery and equipment, and even the same type of machinery and equipment have different quality levels. Any manufacturer has the obligation to produce high-quality equipment and promote the development of the entire machinery industry....

There is such a popular "traffic" in the road machine circle. Once it is listed, it has attracted a lot of attention and attention, and has maintained the trend of "long-lasting popularity" in these years, and is firmly in the "good heart" of friends who are engaged in road construction machinery. , it is a small road roller active on the construction site....

With the development of the construction industry, the secondary structural column concrete pump has become the key equipment in the concrete pouring construction, and the construction site has begun to use it on a large scale. The function and quality of the secondary structural column pump play a decisive role in the safety, quality and power of the grouting project....