69results about How to "Increase maintenance space" patented technology

The invention discloses a conveniently maintained and overhauled low-voltage cabinet which comprises a fixing device and a low-voltage cabinet main body, wherein the low-voltage cabinet main body is movably arranged on the fixing device; the fixing device comprises a rectangular mounting frame; L-shaped fixing lugs are arranged at four corners of the rectangular mounting frame; L-shaped sliding rails are fixedly arranged at the four corners of a same side wall of the rectangular mounting frame; four sets of L-shaped sliding rails and the rectangular mounting frame are vertically arranged; and sliding limiting slots penetrating through the side walls are arranged on the two side walls of the L-shaped sliding rails along the length direction. According to the invention, a mounting wall can be taken away and a movable mounting plate is used for taking the inner element out of the low-voltage cabinet main body, so that the space for maintaining and overhauling the low-voltage cabinet main body can be increased for the technician, the limitation of the two side walls of the low-voltage cabinet main body can be avoided and the working efficiency of the maintaining and overhauling of the technician can be increased.

The invention relates to metal components, and provides a combined type fireproof explosion prevention partition which is characterized by comprising a left stand column, a middle stand column and a right stand column. A base anchor is installed at the bottom of each stand column in a welded mode, a bolt hole is formed in each base anchor, and each base anchor is fixedly connected with a foundation through adoption of bolts. Full-length concave insertion grooves are formed in a right side face of the left stand column, a left side face and a right side face of the middle stand column, and a left side face of the right stand column. An upper fireproof explosion prevention panel and a lower fireproof explosion prevention panel which are the same in area are mounted between each two stand columns through the concave insertion groove in an inserted manner. Each fireproof explosion prevention panel comprises a front steel plate and a rear steel plate, multiple damper springs are uniformly distributed between each two steel plates, and hand catching grooves are respectively formed in the middle of the obverse side and the middle of the reverse side of each fireproof explosion prevention panel. The middle stand column is composed of two sections, and an upper section is in butt joint with a lower section by adoption of a male-and-female tenon structure. According to the combined type fireproof explosion prevention partition, problems that a traditional whole type fixed type fireproof explosion prevention wall occupies a large indoor space, inconvenient to overhaul, and the like are solved, and the combined type fireproof explosion prevention partition is mainly applied to fireproof explosion prevention of converting station narrow indoor electrical equipment.

The invention relates to a safety brake system. The safety brake system comprises a power source and at least one resistance mechanism. The resistance mechanism comprises a telescopic supporting mechanism and a friction assembly. Each telescopic supporting mechanism comprises a first telescopic cylinder hinged to and arranged on a connecting piece, wherein the lower end of a telescopic rod of the first telescopic cylinder is hinged to an installation plate of the friction assembly, a draw and pull rod is hinged to the upper surface of a friction plate, the upper end of the draw and pull rod is hinged to and arranged on the connecting piece, and a triangular structure is defined by the draw and pull rod, the telescopic rod of the first telescopic cylinder and the connecting piece on the upper portion. The invention further relates to a motor vehicle. The safety brake system is adopted for the motor vehicle and arranged on a chassis of the motor vehicle. Under the condition that brake failure happens to the motor vehicle or the vehicle is out of control or a vehicle-mounted brake system can not meet the requirement for braking, strong speed reduction braking can be rapidly achieved by starting the safety brake system, and therefore the brake distance can be shortened; in addition, the safety brake system has the advantages of being stable in traveling, safe, capable of preventing thievery, beneficial to motor vehicle overhauling, capable of protecting the chassis, and the like.

The invention provides an emergency switching-off device, which belongs to the technical field of electric power equipment. The emergency switching-off device comprises a C-shaped plate, a button assembly and a driven assembly, wherein the upper end of a first bracket is hinged on the C-shaped plate by means of an upper supporting pin shaft, the lower end of a first bracket is hinged on the C-shaped plate by means of a lower supporting pin shaft, a torsional spring is arranged on the upper supporting pin shaft, a limiting screw is installed on a limiting support plate, a button supporting sleeve of the button assembly is installed on a cabinet door by means of a locking cushion plate, a button can be arranged in the button supporting sleeve in a left-right slidable manner, a button return spring is arranged between the button and the button supporting sleeve, a return baffle plate is attached to the button supporting sleeve under the action of the button return spring, the left end of an ejection rod return spring of the driven assembly is closely attached to an ejection rod supporting plate, the right end is closely attached to a second bracket, a trigger head is connected to the right end of an ejection rod in a threaded manner, and a high-voltage circuit breaker switching-off button is positioned on the right side of the trigger head. The emergency switching-off device realizes the switching-off of a high-voltage circuit breaker rapidly in an emergency state, and has the advantages of reasonable structure, good reliability, simple operation and sensitive response.

The invention discloses a converter valve assembly and a valve tower using the converter valve assembly. More than two sub-modules in the converter valve assembly are sequentially arranged on the frame to form a valve section, and each sub-module passes through a corresponding The guiding mechanism is assembled on the frame along the column direction of the valve section. The drawing openings of each guiding mechanism are on the same side in the front and rear direction on the frame. One end of each sub-module is the plug end corresponding to the drawing opening. The plug end is set at the tail end of the sub-module, and the branch water pipe is set close to the pull-out opening corresponding to the cooling device of the sub-module. During the maintenance and installation of the valve tower, the plug end of each sub-module can pass through the pull-out opening Guide and assemble on the frame from the same side of the guide mechanism, so that the cooling device at the end of the sub-module will be on the same side of the entire valve section, so that the operator can complete the sub-module on the frame at the side where the pull-out opening of the valve section is located The installation on the board makes the converter valve assembly convenient and quick to install and maintain.