在线一本码道高清

Drilling of soil or rock; mining equipment manufacturing and its application technology
  • Manufacturing method of ore body roadway water blocking structure
    The invention relates to mine drainage, in particular to a water blocking structure of a mine body roadway. A mine is divided into two main ore bodies, the main ore body and the western ore body, and is currently being mined in the middle of the level. At present, the total ore gushing water volume has exceeded 50,000 m3 / d, of which the main ore body gushing water volume exceeds 20,000 m3 / d, accounting for 40% of the total gushing water volume. ; The main ore body accounts for a small proportion of the total resources, about 20%, and is affected by mining methods, equipment capabilities, long transport distances ...
  • Module for roadway sealing, roadway sealing construction method, roadway sealing structure and process
    The invention relates to roadway construction, in particular to a module for roadway sealing, a roadway sealing construction method and a roadway sealing structure. The construction of closed structures in coal mines is a key technology for ventilation control in coal mines. It is widely used in underground mine roadway excavation, working face layout and production operations that have strict requirements for ventilation control, gas management, or natural ignition, especially in high-yield and efficient coal mining Multi-lane layout is commonly used in working faces. Among them, Jiao Yun ...
  • Manufacturing method of tunnel lining drainage system
    The present application relates to the field of geotechnical engineering, and in particular, to a tunnel lining drainage system. During the construction of urban rail transit, the geological environment is becoming more and more complicated. When urban rail transit passes through difficult geological conditions such as hard rock, spherical weathering body, and bedrock bulge, it is often necessary to adopt a mining method to build a tunnel. The tunnel is usually constructed in an all-inclusive waterproof mode, and it needs to bear all the water and earth pressure loads during the tunnel lining service. For crossing small mountains within the city ...
  • Manufacturing method of filling standpipe speed reduction and resistance increasing device
    The invention relates to mine backfill mining, in particular to a device for reducing the speed and increasing the resistance of a filling standpipe. In the field of mining filling engineering, filling stations are generally constructed on the ground, and the filling slurry is transported to the goaf through the filling shafts and the filling pipes laid in the stope roadway. Because the filling slurry is composed of abrasive tailings and crushed waste rock, the filling pipeline will be abraded during the transportation process and will fail. Especially vertical pipes from the ground to the filling goaf ...
  • Manufacturing method of crawler type advanced hydraulic support transport vehicle
    The invention belongs to a transportation vehicle installation, and particularly relates to a crawler type advanced hydraulic support transportation vehicle. The hydraulic support is a structure used to control the mine pressure on the coal mining face. The pressure of the mine acts on the hydraulic support. The hydraulic support guarantees the safety and stability in the mine. The hydraulic support has a large mass and requires a corresponding transport vehicle for transportation. Hydraulic support. Stacking type advanced hydraulic support is one of many hydraulic supports, which has been more and more in recent years ...
  • Integrated liquid supply system transportation device and control system thereof, and manufacturing method of integrated liquid supply equipment
    The invention relates to mining equipment in a fully mechanized mining face, and in particular to an integrated liquid supply system transportation device, a control system thereof, and an integrated liquid supply device. At present, in the track lanes of domestic fully-mechanized mining faces, the emulsion pump, liquid tank, transformer, comprehensive insurance, switch and other equipment included in the integrated liquid supply system are fixed on the flatbeds, and each flatbed is connected in sequence. The advancement of the working surface moves forward, and during the movement, the integrated supply ...
  • Video-based drilling system and auxiliary drilling inspection method and process
    The invention relates to a video-based drilling system and an auxiliary drilling inspection method, which belong to underground mining management. Gas gas is one of the important factors that endanger the safety of mine production. Generally, when drilling is performed under the mine with a rig equipment, the gas existing or released in the coal seam is pumped out by special pipelines and transported to the ground or other safe locations to reduce the danger of gas. The quality of gas management has become a key factor in the rise and fall of coal mining enterprises ...
  • Manufacturing method of hydraulic support mining equipment for top coal
    The invention relates to a hydraulic support for caving coal, in particular to a hydraulic support mining equipment for caving coal. The top coal caving hydraulic support is developed on the basis of the ordinary long wall working surface hydraulic support. The basic functions of control, maintenance of direct top caving, self-moving and moving conveyor functions are the same, but the top coal caving mechanism and support Force, head support, dust reduction and other functions are different. The advantage of the hydraulic support for the top coal is that the support is stable, and the coal ...
  • Manufacturing method of quick disassembly and assembly device for anchor rod
    The invention relates to the field of anchor rods, in particular to a quick disassembly and assembly device for anchor rods. Anchor rod is the most basic component of roadway support in contemporary coal mines. He reinforces the surrounding rock of the roadway together to support the surrounding rock itself. Now anchors are not only used in mines, but also in engineering technology to reinforce slopes, tunnels and dams. When disassembling and disassembling an anchor rod, the anchor rod is generally manually rotated, so that the anchor rod is generally threadedly installed on a driving device, and is manually rotated ...
  • Structure, method and process for strengthening integrity and stability of surrounding rock of tunnel by cable
    The invention relates to the construction of tunnel surrounding rocks, in particular to a structure and method for strengthening the integrity and stability of tunnel surrounding rocks by using cables. The traditional tunnel excavation methods include drilling and blasting method and roadheader method. Tunneling by drilling and blasting method will cause too much disturbance to the surrounding area when excavating large sections, and it is difficult to control the over-excavation boundary. If the lithology of the previous geological survey is not complete, the disturbance generated during blasting is likely to cause landslides, which takes time and labor . Roadheader method in large section tunnel ...
  • Integral arch mounting method, and integral arch mounting trolley and process
    The present invention relates to the field of tunnel construction, and in particular, to a method for installing an integral arch frame and a unit for installing an integral arch frame. At present in the construction of tunnels in China, when the surrounding rock is weak and severely broken, a steel arch frame needs to be installed in time as an initial support to control the deformation of the surrounding rock and prevent collapse. Steel arch frame generally adopts two types of structure: profile steel arch frame and grille steel frame, and it is combined with reinforcement, mesh, lock foot anchor and sprayed concrete to form joint support. The installation of steel arch frame is mainly used by people ...
  • The invention relates to the field of tunnel foundation construction, and particularly to a method for quickly stopping water inflow in a tunnel. When excavating tunnels in fractured and broken zones, intruded contact zones, and weak interlayers, if water is not handled properly in advance, tunnel gushing is likely to occur. There have been many cases of tunnel gushing in our country. Tunnel water gushing not only affects the construction progress, but also easily causes the groundwater level to drop and water shortage. If the prominent water contains soil, it may cause piping disasters and cause tunnels ...
  • Primary support structure and construction method and process of combined steel arch and plain shotcrete in karst tunnel
    The invention relates to a supporting structure of a karst tunnel and a construction method thereof, and more particularly to an initial supporting structure of a karst tunnel and a construction method thereof. The karst tunnel is affected by karst after excavation, and the tunnel arch is prone to block, collapse, roof fall, mud and water gushing, etc. In order to ensure the safety of construction operations and the safety and stability of secondary lining support in later construction As well as ensuring operational safety during the operation period, initial support is required. In the prior art ...
  • Manufacturing method of steel structure supporting structure
    The invention relates to a steel structure support, in particular to a steel structure support structure. When digging a tunnel, excavation is usually performed by supporting and digging. The brackets in the prior art use arched frames. Such arched frames need to be made according to the tunneling situation to determine the arch's arch. Otherwise, there will be a gap between the arched frame and the inner wall of the tunnel, which will easily cause insecure support, and the production of arched frames on the site will also lead to slow construction speed, capacity ...
  • Method for integrally moving forward and positioning mechanism of self-propelled hydraulic inverting arch trestle bridge
    The invention relates to an overhead arch trestle, and in particular relates to an overall forward movement and positioning mechanism of a self-propelled hydraulic overhead arch trestle. Inverted arch trestle is a professional equipment for railway and highway tunnels to realize the full width of inverted arch and inverted arch filling. Through the use of inverted arch trestle in the tunnel construction to span the inverted arch working section, various vehicles and personnel can pass on the trestle normally. At the same time, under the bridge, the operation of reinforcing the steel bar of the arch of the tunnel, the arch of the arch, and the filling and pouring of concrete at the same time can reduce the palm ...
  • Manufacturing method of dual-arm wet spraying trolley
    The invention belongs to a wet spraying trolley, and particularly relates to a two-arm wet spraying trolley. The main part of the wet spraying trolley is the wet spraying machine, and the wet spraying machine is a more common construction machine. The wet spraying machine can be used for the protection of highway slopes, and is used to spray the mixed slurry of seeds and soil, or Sprayed concrete is used to form the support layer. The wet sprayer can be used in mines generally. Use its sprayed concrete to complete the construction of the support layer or the slope protection at the periphery of the mine ...
  • Manufacturing method of high-efficiency and safe over-supported lining trolley
    The invention relates to a trolley, in particular to an over-supported lining trolley for efficient and safe construction. The tunnel lining trolley is a special equipment that must be used in the secondary lining of the tunnel construction process, and is used for the concrete lining construction of the tunnel inner wall. 砼 Lining trolley is an indispensable non-standard product for secondary lining during tunnel construction. It mainly includes simple lining trolley, full hydraulic automatic traveling lining trolley and grid-type lining trolley. Full hydraulic lining trolley can be divided into side top arch ...
  • Collaborative sealing method and process for coal seam spray reinforcement and graded grouting
    The invention relates to a coal seam cooperative sealing method, in particular to a coal seam spraying reinforcement and hierarchical grouting cooperative sealing method. With the gradual depletion of shallow coal resources, mining of deep coal resources will become the norm in the future. However, after entering the deep part, the coal seam has high gas content and high pressure, which seriously threatens the safe production of the mine. And coalbed methane is a clean and efficient energy source and strong greenhouse gas. According to statistics, China's coalbed methane resources buried more than 2000m deep ...
  • Method and procedure for measuring shear force of round end-shaped concave-convex tongue of shield tunnel segment
    The invention relates to the field of tunnel engineering, and in particular, to a method for measuring shear force of a round-end concave-convex tongue of a shield tunnel segment. With the development of urban infrastructure, the number of subways built in cities is increasing. As the main method of urban tunnel construction, shield method has long occupied a dominant position in subway construction methods. Shield segments, as the lining structure of shield tunnels, have been facing severe tests of bearing load and construction safety. Once it breaks ...
  • Manufacturing method suitable for high-stress and large-deformation tunnel assembly type initial support buffer structure
    The present invention relates to tunnel construction, and more particularly, the present invention relates to a prefabricated initial support buffer structure suitable for high-geostress and large-deformation tunnels and a construction method thereof. During the construction of the tunnel, due to the high ground stress, the initial support structure often undergoes large deformation. The conventional primary support reinforcement and the surrounding rock grouting reinforcement effect are not obvious. Occurred, seriously affecting the safety and progress of tunnel construction, causing great ...
1 2 3 4 5 6 >> Last
Technical classification