9results about How to "Stable and reliable installation" patented technology

The utility model provides a valve device and nuclear power plant equipment, wherein the valve device includes: the casing is equipped with buoyancy cavity and the overhaul opening that communicates with buoyancy cavity, the cover plate is connected with casing and is used for opening and closing overhaul opening, the valve is equipped in buoyancy cavity, the pipeline communicates with valve, and the pipeline is equipped with first communication port and the second communication port that extends outside buoyancy cavity and communicates with valve, the fixed connecting piece is equipped on the casing and is used for connecting with fixed rope. Through adopting above-mentioned technical scheme, the valve device passes through the cooperation of each part, utilizes buoyancy cavity and makes valve can be placed reasonably under water, connects with external system through the pipeline simultaneously, utilizes fixed connecting piece and guarantees the position fixed of device, provides a complete and effective solution for underwater related work, and the setting of overhaul opening and cover plate also facilitates the maintenance and overhaul of later period.

A filter assembly of a vehicle-mounted air purification system comprises a filter element body, an ion generating device and a connecting mechanism, the ion generating device is detachably installed on the filter element body through the connecting mechanism, the filter element body comprises a plurality of spacers arranged at intervals, a ventilation gap is formed between every two adjacent spacers, and the ion generating device is detachably installed on the filter element body through the connecting mechanism. The end, close to the air outlet side, of the spacer is connected with a filter screen, the connecting mechanism comprises a mounting part and a fixing part, the mounting part is connected with the ion generation device, and the fixing part is matched with the ventilation gap so as to be detachably connected with the filter element body; the position of the ion generation device relative to the filter element body can be conveniently adjusted according to requirements, so that negative ions are uniformly distributed, the efficiency of adsorbing impurities in air can be improved, and the air purification quality is improved.

The utility model discloses a highway roadbed side slope grass planting soil fixation net pad, including soil fixation net: the both sides of soil fixation net are equipped with the side cable, the four corners of soil fixation net all are provided with pre -buried pin, the top of pre -buried pin is connected with the threaded pressure head of screw thread, the one side of threaded pressure head is provided with the threaded pull rod of going through, threaded pull rod and threaded pressure head are connected with screw thread, the inner chamber of pre -buried pin is provided with the reverse component, the reverse component includes the reverse card board of rotation connection in the inner chamber of pre -buried pin. The utility model discloses through the setting of reverse component, carries out pre -buried fixed pre -buried pin, then through the cooperation of side cable and threaded pull rod, tightens and fixes soil fixation net, makes soil fixation net to be able to stably cover in the slope surface, finally in the cooperation of threaded pull rod and swivel, tightens and fixes side cable and cable -stay, can reach the purpose of installing stable firm and preventing soil fixation net from being lifted by wind.

The application discloses a combined marine propelling device, which comprises a device main body, a planetary gear mechanism, a quick-release mechanism and an anti-winding mechanism, wherein the planetary gear mechanism is connected with a power source input end of the device main body through a transmission shaft, the quick-release mechanism is embedded in a component connecting position of the device main body, and the anti-winding mechanism is fixed around a blade outer peripheral area of the device main body. The anti-winding mechanism is fixed around the blade outer peripheral area of the device main body, a fixed cutter is fixed on the outer periphery of a blade mounting base through welding, and a cutting cutter is mounted on one end of the device main body. The connecting mode can effectively prevent sundries in water from winding around the blade, so that the normal operation of the propelling device is ensured, and the sailing safety of a ship is improved.

The utility model provides a dump truck battery cluster frame and a battery cluster, which belong to the technical field of dump trucks, and comprise a base, two bearing brackets and two supporting piece groups, the base is of a long-strip structure and is arranged in the length direction of the dumper. The base is provided with a first installation area, a second installation area and an avoiding groove formed below the second installation area. The bearing brackets are respectively mounted on the first mounting area and the second mounting area; the two bearing brackets are vertically arranged, and an accommodating cavity for mounting a battery box body is formed in each bearing bracket; the supporting piece sets are installed on the two bearing supports respectively and located in the containing cavity. A plurality of supporting pieces in the supporting piece group are arranged at intervals from top to bottom, and the battery box body is supported on the supporting pieces. According to the dumper battery cluster frame provided by the utility model, the functionality of the battery cluster frame is enhanced, and the requirements of the dumper are met; meanwhile, the mounting stability and the space utilization rate of the battery box body are also improved.

The embodiment of the present application provides a gantry hook hook distance resetting device and a gantry hook hook distance resetting equipment, and relates to the technical field of metallurgical industry. The problems of great difficulty and high risk coefficient of gantry hook hook distance adjustment are solved. The gantry hook hook distance resetting device comprises a base, a working platform, a supporting component, a driving mechanism and a controller. The working platform is movably arranged on the base in the horizontal direction. The supporting component is fixed on the working platform, and the supporting component is provided with a groove for accommodating and limiting the gantry hook. The driving mechanism is arranged on the base and connected with the working platform. The driving mechanism is connected with the controller, and the controller is used for controlling the driving mechanism to drive the working platform and the supporting component to move synchronously relative to the base in the horizontal direction. The gantry hook hook distance resetting equipment comprises the above device. Intelligent remote operation is realized instead of manual operation. The precision and efficiency of the gantry hook hook distance adjustment are improved. The safety risk coefficient can be greatly reduced.

The utility model belongs to the technical field of cargo transfer, and particularly relates to an auxiliary device for transporting and installing a flue gas duct. The auxiliary device comprises a vehicle plate framework, transfer wheels, right-angle supporting frames, hinge bearings and an auxiliary mounting support, the axes of the transfer wheels are hinged to the bottom of the vehicle plate framework, the right-angle supporting frames are hinged to frameworks on the two sides of the vehicle plate framework through the hinge bearings, and the hinge bearings are arranged at the bottom of the vehicle plate framework above the transfer wheels. The auxiliary installation support is rotationally installed on the bottom edge of the vehicle plate framework, and the right-angle supporting frame and the auxiliary installation support are arranged on the two faces of the vehicle plate framework respectively. The device adopts a light and flexible design, can easily pass through a narrow door opening, avoids the collision problem caused by overlarge volume of a traditional transportation tool, greatly reduces the damage risk of a smoke duct and a secondary structure, reduces the later maintenance cost, can quickly adjust the direction after reaching a specified position, and is accurately mounted by using a supporting device; and the construction efficiency is greatly improved.

A tower type grounding terminal for installing a grounding wire on power equipment comprises a grounding pile structure, the grounding pile structure comprises a connecting seat, the bottom of the connecting seat is provided with a grounding plate, the connecting seat is provided with a mounting rod and a wiring guide plate connected with the connecting seat through the mounting rod, and the mounting rod is provided with a fixing piece matched with the mounting rod. And a multi-section screw structure is arranged on the wiring guide plate. By adopting the above structure, according to the size of the grounding wire head mounting hole, the screw rod with the appropriate size on the multi-section screw rod structure is flexibly selected for butt-joint mounting, the size matching is more accurate, and the situation that the grounding wire cannot be mounted is avoided; the size of the screw is matched with that of the mounting hole, so that the ground wire is mounted more firmly and stably, and ground wire contact is better; the device is simple in overall structure, capable of flexibly adjusting and selecting installation positions and high in practicability.

The utility model relates to railway traffic management technical field discloses a train anti -slip brake for railway traffic management, including telescopic mechanism, auxiliary mechanism and protection mechanism, telescopic mechanism is located at the bottom of protection mechanism, telescopic mechanism includes the casing, the inner wall sliding connection of casing has the limiting post, the surface of limiting post has the spring, one side fixedly connected with inclined block of limiting post, the upper end fixedly connected with the link block of inclined block, one side fixedly connected with the sliding block of link block, the utility model discloses a telescopic mechanism is set up, and the sliding block can drive link block to slide in the inside fixed block, and then the sliding of link block drives the movement of inclined block, and the movement of inclined block makes the limiting post slide in the inside casing, and the limiting effect of inclined block to fixed plate is cancelled, and the operator can separate fixed block and fixed plate smoothly, and the whole operation process is convenient and fast, realizes the replacement to fixed plate, and further saves maintenance cost.