The change continuously and automatically controls the impact energy of the piston and the impact frequency to make a reasonable match between the two. This paper analyzes the structural characteristics and working principle of the impactor. 1 gin 3 550-point hydraulic crusher impactor performance research, Zhong Zhu Jianxin rock drilling machinery gas 550 hydraulic crusher is a new type of hydraulic cylinder driven crushing equipment. The article analyzes the structure and working principle of the hydraulic impactor of the machine. The mathematical model of the impactor was established. The performance of the impactor was simulated by its main structural parameters. The impact energy and impact frequency of the prototype were tested and analyzed. The research results show that the frequency of the crusher impactor is steplessly adjustable within a certain range, and the effective crushing operation can be performed under a large skew angle condition.

Long-life impact rock drill bit journal, Zhong Zhang Guofan rock drilling machine pneumatic tools. In 1999, rock drilling tools were extremely demanding and short-lived, making them the most expensive tools. This paper discusses and determines the engineering difficulties of developing long-life impact rock drills from the intrinsic quality rock drilling conditions and application technology of the drill rods, and points out that the related disciplines need to jointly tackle the 020002325 impact mechanism assembly parameters. In the research journal, Zhong Ding asked the company to drill rock mechanical tools. On the basis of parametric design of dimensional parts, the constraints and positional relationship of impact mechanism were analyzed and analyzed. The assembly model of impact mechanism was established. The application of the impact mechanism in dimension 0 and design system was introduced. 3 Ref. 2 620002326 Hydraulic Impact Vibration System Bubble Oil The hydraulic shock vibration system works under the frequency alternating pressure and will produce bubble oil. This paper analyzes the formation mechanism and hazard of bubble oil in hydraulic shock vibration system. Identify measures to prevent and resolve during design and use. The new technology of 30320002327 introduces the situation of using robotized drilling rigs and remote control technology in underground mining and rock drilling, as well as the multi-functional machine for large, medium and small-sized automatic drilling rigs for different occasions. The application and promotion of the models in some mining areas in the world, as well as the technical improvement of drilling equipment, such as the performance of the wear-resistant ball-toothed bits of hydraulic rock drills with adjustable impact frequency.

620002328 Systematic research report on the performance and test method of hydraulic rock drill, Zhong Guoxiao Xian, rock drilling machinery analysis and research on the impact swing of hydraulic rock drill. The basic performance parameters and test methods of rock drilling and noise; based on the theory of stress wave transfer, combined with the basic performance test results, the energy transfer law of hydraulic rock drill impact system is discussed, and the evaluation index of hydraulic rock drill reliability is put forward.

Reference 9 620002329 Research journal of the internal combustion rock drill operation test bench, Zhong Cao Ke Sheng rock drilling machine pneumatic tools.

The newly developed internal combustion rock drill test bench uses the air cushion cushioning and electric torque loading system to simulate rock drilling conditions. The monitor and the microcomputer automatic test printing unit automatically cycle the parameters during the execution of the internal combustion rock drill, instead of the previous site rock drilling. test. Not only reduces labor intensity, but also quickly obtains more comprehensive rock drill quality information. The article introduces the principle structure and actual test results of the test bench.

31 Participated in Zhang Li GJ20002330MZ150 type anchoring engineering construction special drilling machine publication, Zhong Pan Shuzhen, engineering machinery. 1999,308.34 12150 anchoring engineering drilling rig is a new type of full hydraulic driving anchoring equipment, suitable for a variety of drilling processes such as flushing fluid drilling, impact rotary drilling and auger drilling. It has the characteristics of small volume, light weight, simple operation and easy shifting. The dynamic head slewing mechanism of the mobile positioning mechanism guiding mechanism is introduced. Hydraulic system and several typical engineering applications. 5 620002331 New type of hydraulic impactor for independent stepless regulation control, Zhong Zhao Hongqiang Construction Machinery.

Based on the analysis of the current hydraulic impactor, a new type of hydraulic impactor with pressure feedback control and independent stepless adjustment of impact energy and impact frequency is proposed. Explain its structure and working principle. The new hydraulic impactor can adapt to various working conditions, reduce energy consumption and improve work efficiency. 1 Reference 4 Teng Dali 0320002332 The new type of electric exciter for rock drills is subjected to vibration by a normal impact drill. The vibration is fixed or related to the speed of the drill. The article introduces the working principle of the new electric exciter vibration period and energy adjustment mechanism. In order to digitally simulate the operation of the steady state and the transition state, the generation method of the mathematical model of the vibration exciter is illustrated. Its differential equation is nonlinear. To study the effect of arbitrary waveforms on the input voltage. Through a series of anti-wear hydraulic rock drills for various working models, the series has a mass of 170kg 7000kg. The largest HM4000 quality 7 can be used on the 16974 hydraulic excavator. 2 620002334 Independent, automatic feed regulator The regulator differs from the 02 in that it automatically controls the bit feed speed per revolution of the drill to reduce diamond consumption.

51 Xiangyang drilling rig can drill parallel hole fan hole and anchor hole. Drilling direction accuracy is ensured by means of a rigid structure that supports the flattener axial cylinder centering and circumferential rotation. The rig is motor driven, power 44, rating. 1GJ20002336 dew uses a new type of drilling rig. The new machine replaces the special roller drill and auger drill with a universal rotary drilling rig, but uses a cutting bit and a roller bit to remove the cuttings by a pneumatic auger.

6120002337 New generation rig automatic control device and monitor drilling speed rpm pump pressure and torque.

0 20002338 Pneumatic Impactor Only 8 patented pneumatic impactor can be used in mining and metallurgical construction. The main features of the impactor are low gas consumption and simple structure, and no moving parts other than the hammer. There is a through passage in the wall of the casing, and the casing is closed with a cover at the end with the handle. The military combat worker in the cover is 620002345. The future combat engineering guarantee is related to the military engineering machinery journal of our army. The equipment research of the Chinese military is in the future coordinated operation of our army. It will become the main form of combat, and ensuring maneuvering will be the basic task of the engineering. At the same time, the synthetic unit extends downwards, and the engineering unit is configured in the front. The comprehensive support requires more maneuvering to meet the safety channel and communicate with the working cavity and the sleeve disposed in the handle. The working cavity communicates with the damping cavity formed by the sleeve and the casing by means of a hole in the casing. 1 620002339 Pneumatic rock drill cycle parameter determination station only 8 02F5186120002340 with laser irradiation cutter to improve its wear resistance ropHopyfl.nopfcT6.1997, 4.7071 cutter after laser irradiation, compared with the general quenching cutter, wear resistance is 50.100, Production efficiency has tripled.

Renxian 5, å–‹ æ·–æ—® æ·–æ—® æ·–æ—® , , , , , , , , , , , 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 The long life of the 32-drill pipe is the long-term prospect of the rock drill using high wind pressure 0320002344. From the perspective of reliability and energy saving, the development of the hydraulic rock drill j, the performance of the multi-function operation of the 130-year-old mechanical obstacle capability and the basic combat mission The protective capability is the basis for the military engineering machinery accompanying combat engineering support mission.

020002346About the discussion on the performance index of the tire loader, the article on the performance test of the tire loader

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