7results about How to "Guarantee normal construction" patented technology

The drainage pipeline structure comprises a drainage blind ditch, a communication part and a drainage part, the drainage blind ditch is arranged between a rock mass surface and a vertical shaft lining, and the drainage blind ditch is used for collecting leakage water of a rock mass; the communicating part comprises a three-way connecting piece, a pre-buried drainage pipe and a filling material, the pre-buried drainage pipe extends in the thickness direction of the vertical shaft lining and penetrates through the vertical shaft lining, the three-way connecting piece communicates with the drainage blind ditch and the pre-buried drainage pipe, and the filling material is arranged on the side, away from the three-way connecting piece, of the pre-buried drainage pipe and detachably connected with the pre-buried drainage pipe; the end parts of the embedded drainage pipe and the filling material do not exceed the inner wall surface of the vertical shaft lining; and the drainage part is configured to be connected with the pre-embedded drainage pipe after the filling material is detached, and the drainage part is used for draining leakage water. The drainage pipeline structure for the slip form construction does not affect normal construction of the slip form, and can ensure safe drainage of mountain leakage water after the slip form construction is completed.

The utility model discloses an assembly type station force transmission key, and relates to the technical field of force transmission keys, the assembly type station force transmission key comprises a bolt sleeve integrally formed with an assembly type block, the bolt sleeve is internally in threaded connection with a force transmission bolt, and one side of the bolt sleeve is provided with a detachable rotating piece in threaded connection with the force transmission bolt. Stable work of the force transmission key is achieved through mutual cooperation of the bolt sleeve, the force transmission bolt and the detachable rotating piece, and the whole force transmission key is simple in structure, small in size, suitable for assembly type station structures of different thicknesses or types, especially suitable for assembly type stations with small fertilizer groove width, simple in installation technology, small in construction period influence and high in practicability. Repeated retightening can be performed according to deformation of the enclosure structure, and the retightening process is simple; and the grouting head is installed to conduct grouting plugging on the force transmission key, and construction and structural defense of the assembly type station can be effectively guaranteed.

The utility model discloses a kind of brake pad cooling devices of plugboard machine hammer head lifting system, including water storage tank and cooling assembly;The water outlet of the water storage tank is connected with the cooling assembly, and the other end of the cooling assembly is docked brake pad;Wherein, by the cooling assembly quantitative injection cooling water to brake pad, realize the effective cooling of brake pad.The cooling assembly includes diaphragm pump and water outlet pipe, the water outlet of the diaphragm pump is connected at the water outlet of the water storage tank, and the water outlet of the diaphragm pump is communicated with the water outlet pipe, and the other end of the water outlet pipe is docked to the brake pad place.It also includes control box, time relay is arranged in the control box, and the time relay is connected with the diaphragm pump.The utility model aims at overcoming existing defects and provides a kind of brake pad cooling devices of plugboard machine hammer head lifting system, and the effective cooling of plugboard machine hammer head lifting system brake device.

The application discloses a deep-buried tunnel underground water seepage safety control system and method, and relates to the technical field of tunnel construction safety control. The system comprises a drainage and injection integrated pipe, a water collecting and purifying system and a water injection and pressurizing system. The drainage and injection integrated pipe comprises a water injection pipe and multiple main body pipes. A first main body pipe penetrates a reinforced ring layer of a tunnel and communicates with surrounding rock outside the reinforced ring layer. One end of the first main body pipe close to the surrounding rock is a first section concentric flower pipe. One end of the first main body pipe close to the tunnel center is a solid pipe. The first main body pipe and a second main body pipe are water-stopping sealed through a first flange and a water-stopping structure. The water injection pipe at least penetrates the first main body pipe and the first flange. A last main body pipe with a top end away from the reinforced ring layer is a second section concentric flower pipe. The end of the first main body pipe communicates with the water collecting and purifying system. The end of the water injection pipe communicates with the water injection and pressurizing system. The water collecting and purifying system communicates with the water injection and pressurizing system.

The present application relates to a kind of new type of wall protection mud material for ultra-deep underground continuous wall and its preparation method, comprising the following steps: pour mixing water into the first container, while adding bentonite, the first container is stirred to be uniformly dispersed;Sodium carbonate, sodium carboxymethyl cellulose, xanthan gum and silicone acrylic emulsion are mixed and added to mixing water and poured into the second container, and stirred to be fully hydrated;Mix the solution in the first container and the second container, stir to be fully mixed, complete mud preparation.The beneficial effects of the present application are: it can avoid the hidden troubles such as excessive lateral earth pressure, large amount of mud loss, thin and dense mud skin cannot be formed when the excavation depth of underground continuous wall is large, configure a new type of modified bentonite wall protection mud with suitable physical stability and chemical stability, appropriate relative density, good mud skin forming property, which can adapt to the working condition of ultra-deep underground continuous wall, avoid the occurrence of hole collapse and shrinkage phenomenon, so as to ensure the quality of slotting and construction safety.

The utility model relates to the technical field of building construction protection, specifically relates to a mobile protection device of working well, including slide rail base, protection shed and lateral protection mechanism, the top surface of slide rail base is equipped with the channel lengthways, the protection shed includes support frame and shed roof component, and the support frame includes several stand columns, and the stand column bottom is equipped with the pulley, and the pulley is nested with the channel cooperation, and the support frame is detachably connected with the shed roof component, and the lateral protection mechanism sets up between the adjacent stand columns. The cooperation of pulley and channel can realize the movement of protection shed along the slide rail base, and the flexible movement of protection shed is convenient according to the construction demand, overcomes the defect that protection shed is welded and sets up fixedly, improves the field construction efficiency, simultaneously, through lateral protection mechanism, the lateral protection effect of protection shed can be improved, rainwater and lateral landslide material are prevented from invading from the lateral wall of protection shed, the protection effect of protection shed is better, can ensure the continuous construction in the rainstorm season, avoids causing the delay of construction period.

The utility model discloses a well control liquid level control and filling device, and belongs to the field of auxiliary tools for petroleum drilling. The device comprises a vertical pipe, a top cover is fixedly installed on the top of the vertical pipe, an infrared distance sensor is fixedly installed on the top cover, a liquid injection pipe is fixedly installed on one side of the vertical pipe, and a control assembly is fixedly installed in the vertical pipe. The liquid injection process is controlled through linkage cooperation of the first moving block, the contact block and other components, the liquid level is continuously detected through the infrared distance sensor in the process, namely, through linkage cooperation of the first moving block, the contact block and the infrared distance sensor, the liquid level detection precision is effectively improved, normal construction is guaranteed, and the working efficiency is improved. And meanwhile, through linkage cooperation of a second moving block, a buzzer and other components, when the liquid level is abnormal, the buzzer gives an alarm in time so as to remind a worker, and then the situation of the liquid level in the well can be rapidly responded and judged.