31results about How to "Realize detachable fixation" patented technology

The invention provides an auxiliary hoisting device applied to the assembly of a turbine high-pressure valve, relates to an auxiliary hoisting device applied to the assembly of a turbine valve, and aims to solve the problems that when the conventional turbine high-pressure regulating valve is directly bundled by lifting ropes to be hoisted during valve assembly, the preparation workload before hoisting is large, the hoisting process is unstable, so that the potential safety hazard is easy to generate, and the clamping force is insufficiently large, the lifting ropes are easy to loosen and the valve is bumped and damaged. A mold cavity of an upper shell horizontally penetrates through the upper shell, a mold cavity of a lower shell horizontally penetrates through the lower shell, the upper shell and the lower shell are adhered, the mold cavity of the upper shell and the mold cavity of the lower shell are arranged oppositely, the upper shell and the lower shell are connected, an upper lining tile is fixedly connected with the interior of the mold cavity of the upper shell, a lower lining tile is fixedly connected with the interior of the mold cavity of the lower shell, the upper lining tile and the lower lining tile are arranged oppositely, a turbine high-pressure valve is respectively matched with the upper lining tile and the lower lining tile, and a lifting lug I and a lifting lug II are fixedly connected with the top of the upper shell. The auxiliary hoisting device disclosed by the invention is applied to the hoisting of the turbine high-pressure valve.

The invention provides a mining method for filling a broken ore body with a recyclable bracket covering an upward double-layered approach. Start digging and mining from the lower part of the layer along the ore body trend, and erect the cover support as the mining face advances; after mining to the stope boundary, dig upward blastholes in the gap at the top of the cover support, disassemble and recover the blasthole after charging. The cover support below the hole, and then the upper layer is mined in a sideways collapse and retreat style. After the mining of the two layers is completed, the cemented filling will be carried out. In this way, the present invention changes the mining and filling of the upward single approach to the mining and filling of the upward double-layered approach. On the one hand, it reduces the filling and maintenance time, and speeds up the overall recovery efficiency of the stope; on the other hand, it adopts a detachable cover support to ensure the smooth implementation of mining and filling in the upward double-layered approach. Only the bottom layer is supported in every two layers, which reduces the support operation time, and the support can be retracted and recovered, which greatly reduces the support cost.

The invention discloses a hydrogen production system with controllable aluminum-alkali reaction, which includes a water injection device, a reaction device and a collection device connected in sequence through pipelines. The reaction device includes a frame, a reaction bottle and a turning mechanism. It is installed on the rack in an overturning motion. There is a permeable partition in the reaction bottle to separate the reaction bottle into a left chamber for storing aluminum powder and a right chamber for storing alkali materials. The water injection device passes through the pipeline and the right chamber. Connected, and the collection device is connected with the left chamber through the pipeline; during the gas production operation, the turning mechanism drives the reaction bottle to be in an upright state or the right chamber is in a non-upright state; when the gas production is stopped, the turning mechanism drives the reaction bottle to quickly turn to the left The non-erect state of the chamber on top. The invention has the advantages of a simple and compact structure, high integration, low energy consumption, fast hydrogen production reaction, and a controllable aluminum-alkali reaction hydrogen production system that can realize fast start-stop control of the aluminum-alkali reaction at any time.

The invention relates to a wall-penetrating bushing with detachable transport support, comprising a conductive rod, two insulating jackets and a cylinder body, the bushing is filled with insulating gas, and the cylinder body is provided with a support structure, the support structure includes a support rod The support rod includes a support seat located at one end of the cylinder and a rod body detachably connected to the support base; when the wall casing is transported, the support rod is fixed on the cylinder body and supports the conductive rod, and the wall casing is transported through the wall. After being in place, the support rod can be pulled out, the rod body can be disassembled, and the support base can be fixed on the cylinder body; the wall-penetrating sleeve of the present invention has a novel design concept, which can not only solve the problem of deformation during the transportation of the conductive rod, but also fix the support base on the cylinder body. It can also ensure that the gas insulating material in the wall bushing is not easily polluted by the outside world, which solves the problem of SF in the prior art. 6 The gas insulated wall bushing adopts the existing support structure to prevent the on-site installation preparation work caused by the deformation of the conductive rod, and the SF 6 The problem of large dosage and poor product safety and reliability.