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

The invention relates to a middle storage type medium-speed milling positive pressure direct blowing type powder making system comprising a plurality of coal mills, dynamic separators at outlets of the coal mills, a plurality of first coal powder pipes arranged at outlets of the dynamic separators in parallel, air and powder mixing balance bins correspondingly connected to first coal powder pipe outlets of every two corresponding coal mills, a plurality of second coal powder pipes correspondingly connected with air and powder mixing balance bin outlets in parallel, coal powder burners connected to second coal powder pipe outlets, and a boiler provided with the multiple coal powder burners correspondingly. Through the middle storage type medium-speed milling positive pressure direct blowing type powder making system, mill overhauling can be achieved without stopping of the boiler, the coal mills can be switched freely without interference to the burning stability of the boiler, consistency of uniformity of air and powder mixing in all coal powder pipelines can be further achieved, uniformity and stability of burning are achieved finally, and the requirements of environmental protection and energy saving are met.

The invention discloses a low-voltage compensation power distribution cabinet provided with a turn-out movable overhaul mechanism. The power distribution cabinet comprises a power distribution cabinetbody, an installing side plate, a line bank and a cabinet door, wherein a movable installing frame is arranged in the power distribution cabinet body, a movable guide rail is arranged between the power distribution cabinet body and the movable installing frame, a side wiring maintenance slot is formed in the right side of the installing side plate, wiring through slots are uniformly distributed in the inner side of a wiring fixing plate, a wiring fixing clamp is arranged on a side face of the line bank, movable pulleys are arranged at the upper end and the lower end of the wiring fixing clamprespectively, a storage slot is formed in the left side of the installing side plate, and a transmission gear is installed on the side wall of the storage slot. According to the low-voltage compensation power distribution cabinet provided with the turn-out movable overhaul mechanism, the movable installing frame facilitating movable overhaul of an element in the device is arranged, and through cooperation of the turnover storage cabinet door and the side wiring maintenance slot, orderly arrangement of lines and flexible overhaul of the device can be facilitated.

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 provides a hydraulic tire vulcanizing machine. The hydraulic tire vulcanizing machine comprises vulcanizing chambers, a mould opening and closing oil cylinder, a base and a plurality of guild pillars fixedly arranged on the base. The upper vulcanizing chamber comprises an upper hot plate, an upper thermal baffle and an upper main board; the lower vulcanizing chamber comprises a lower hot plate, a lower thermal baffle and a lower main board; and a plurality of integrated mechanisms are arranged on the vulcanizing chambers, and the integrated mechanisms integrate functions of mould clamping, stress application and mould adjusting. According to the hydraulic tire vulcanizing machine, the three functions of mold clamping, stress application and mold adjusting can be achieved only by arranging the integrated mechanisms, and thus the vulcanizing machine structure is simplified greatly, and space for equipment installation and maintaining is enlarged; an stress application oil cylinder only works in the process of vulcanization stress application, so the travel of the oil cylinder is short, and the stress application time is short; mould adjusting is achieved through the mould opening and closing motions and the relative motions of screw nuts and screw rods; mould clamping is also achieved through the integrated mechanisms, clamping rings in the prior art are omitted, the center distance between two moulds of a dual-mould hydraulic vulcanizing machine can be reduced, the occupied area of the whole machine can be reduced, the maintenance space is enlarged, and the maintenance is convenient.

The invention discloses a device for controlling the hydraulic circuit and the lubricant oil circuit of a cone crusher. The device is arranged on the cone crusher, and is connected with an oil cylinder positioned on the cone crusher through an oil pipe. The device is characterized by comprising a shell, wherein the hydraulic circuit and a lubricant circuit are arranged inside the shell; the hydraulic circuit comprises a hydraulic oil tank arranged inside the shell and used for storing hydraulic oil; the hydraulic oil tank is connected to a hydraulic oil pump with double circuits for providing hydraulic power through an oil pipe; inlet and outlet ports at the two ends of the hydraulic oil pump are connected to a control valve through oil pipes, and are connected to an energy storage device through oil pipes; the energy storage device is connected with the oil cylinder through an oil pipe. The device further comprises the lubricant circuit, wherein a lubricant filter is directly connected with a lubricant oil pipe through an oil pipe; the oil cylinder is connected with a lubricant oil tank through an oil return pipe. The device can take away worn waste residues, generated during the operation, in the crusher, so that secondary damage of the waste residues to the crusher is reduced, and the service life is prolonged; meanwhile, the flowing capacity of the oil circuit is increased, a better lubricating effect is achieved, and thus safe and stable operation of the crusher is guaranteed.

The invention relates to a middle-arranged-type high-voltage switch cabinet which is characterized in that after a busbar which is led out from a lower contact box of a circuit breaker room straightly runs downward for a distance, the busbar is connected with a longitudinal short busbar connected with a voltage transformer, a current transformer and a lightning arrester; a busbar on a line outgoing terminal of the current transformer bends forward after straightly running upward for a distance; the busbar which bends forward is fixed on an insulator; a wiring hole which is prepared for connecting a high-voltage cable is formed on the end part of the busbar; a line inlet of the high-voltage cable is formed on the middle part at the bottom of a cable room; and the an observation window is also formed on a cabinet door of the cable room. The middle-arranged-type high-voltage switch cabinet provided by the invention has the advantages that the thickness of the high-voltage cabinet with the same capacity can be reduced by 20%, raw materials of the cabinet are saved, and the manufacturing cost of the cabinet is saved; and running monitoring and electrical test of the cable, the current transformer, the voltage transformer and a grounding switch can be conveniently carried out before the cabinet by operators.

The invention relates to an electrically controlled steering device for an aircraft tractor, relating to the aviation field of ground facilities. The electrically controlled steering device comprises a steering column and a steering wheel arranged thereon, and is characterized in that a coder and an arrester are installed on the steering column, a controller is used for collecting and outputting signals, and an angle sensor is installed on a steering axle; the steering wheel inputs analog signals into the controller by the coder, and the controller sends steering electric signals to a steering control electromagnetic valve according to the instruction of the obtained analog signals; after receiving the electric signals, the steering control electromagnetic valve controls a steering hydraulic cylinder to push the steering axle to act and to control the steering angle of the steering axle; and the angle sensor installed on the steering axle converts the collected actual steering angle of the steering axle into an electric signal and simultaneously inputs the electric signal into the arrester by the controller, and the arrester generates a relatively proportioned braking torque according to the obtained electric signal.

A standing and sitting dual-purpose fume hood comprises a fume hood body. The fume hood body is formed by combining an upper cabinet, a table board, a lower cabinet, a water pipe, wire and gas pipe containing interlayer together. The table board is arranged on the lower cabinet and in the upper cabinet. The standing and sitting dual-purpose fume hood is characterized in that a movable storage cabinet capable of ascending and descending is arranged in the lower cabinet; a water pipe, wire and gas pipe overhauling space is reserved in the lower cabinet; the movable storage cabinet capable of ascending and descending, the reserved water pipe, wire and gas pipe overhauling space and lifting castors mounted at the bottoms of four stand columns of the storage cabinet constitute the standing and sitting dual-purpose fume hood. The purposes to be realized are that a storage cabinet with a single function is created into a four-wheel drive multifunctional storage cabinet on the basis of not changing the basic structure of an existing fume hood to replace a laboratory chair and realize the standing and sitting purposes of the fume hood.

The invention provides a movable mounting base for ship electrical equipment. The electrical equipment is placed in the cabin of the ship. The mounting base comprises a fixed module, a movable moduleand a connecting assembly; the fixed module is fixedly mounted on the deck of the cabin; the upper end of the fixed module is movably connected with the lower end of the movable module through the connecting assembly; and the electrical equipment is fixedly connected with the upper end of the movable module. According to the movable mounting base of the invention, the electrical equipment is fixedon the movable module; the movable module is movably connected with the fixed module, so that the electrical equipment can be moved to be far away from a cabin wall when needing to be overhauled, andtherefore, overhauling space of the electrical equipment is improved; and during normal work, the electrical equipment is close to the cabin wall, so that the occupation of a public area is reduced;and therefore, the whole cabin is more reasonable in arrangement, the use and maintenance of the equipment are facilitated, and on-site construction is facilitated.

The invention is applicable to the field of cleaning and environment protection and provides an industrial cleaning device. The industrial cleaning device comprises a support, a plurality of nozzle plates, a first nozzle plate, a first air pressure valve, a medium-pressure cleaning liquid pipeline and a plurality of nozzles. The nozzle plates and the first nozzle plate are arranged in a closed cavity of the support, one end of the first nozzle plate is connected with the support movably, the first nozzle plate edge is movably connected and opens and closes, the nozzles are arranged on the nozzle plates and the first nozzle plate and in the cavity, the medium-pressure cleaning liquid pipeline is arranged on the support, one end of the medium-pressure cleaning liquid pipeline is connected with each nozzle plate and the first nozzle plate respectively, and the other end of the medium-pressure cleaning liquid pipeline is connected with the first air pressure valve. By the same nozzles, cost is reduced; the single nozzle plate is movably connected to open and close, maintenance space of the nozzles is enlarged, and the problem of man-machine projects brought by observation and operation inconveniences is eliminated.

The invention relates to manhole cover plate locating devices and provides an internal pressure type manhole cover plate locating device in order to solve the problems that an existing high-pressure vessel internal pressure type manhole cover plate locating device is heavy in weight and difficult and complex in assembling and reassembling process, needs to be manually adjusted each time and is untight due to inaccurate locating. The internal pressure type manhole cover plate locating device comprises a cover plate fixing strip, a rotating shaft, a base plate, a positioning bolt, a support, a crank arm, a rotary shaft, a rocking handle and a connecting piece. The positioning bolt is in threaded connection with the base plate. The rotating shaft is fixedly mounted at one end of the crank arm. The top end of the positioning bolt abuts against the rotating shaft. The other end of the crank arm is rotatably connected with one end of the cover plate fixing strip through a first pin shaft. The other end of the cover plate fixing strip is rotatably connected with one end of the connecting piece through a second pin shaft. The other end of the connecting piece is connected with the rockinghandle. The rocking handle is rotatably connected with the curved portion of the crank arm through the rotary shaft. The cover plate fixing strip is mounted on a manhole cover plate. The manhole coverplate is mounted on a manhole base. The internal pressure type manhole cover plate locating device is applied to the field of internal pressure type manhole cover plate installation.

The invention relates to a cable detection vehicle, and relates to the technical field of bridge inspection. The cable detection vehicle comprises an detection vehicle body which is internally provided with an accommodating space for accommodating a cable; a hanging basket, which is arranged at the bottom end of the detection vehicle body, is used for bearing a maintainer, and is provided with a channel for the cable to pass through, wherein the channel is communicated with the accommodating space; a walking mechanism, which is arranged on a top plate of the detection vehicle body, wherein the top plate can reciprocate on the walking mechanism in the transverse bridge direction; and a traction mechanism, which is connected with the walking mechanism and used for driving the walking mechanism to move on the protection cable of the cable. In the cable maintenance process, a maintainer can drive the top plate of the detection vehicle body to do reciprocating motion on the walking mechanism in the transverse bridge direction, so that the maintenance space of the detection vehicle is enlarged, the maintainer can conveniently carry out maintenance construction on the cable, the requirement for the maintenance construction space is met, the application range is wide, and flexibility is high.

The invention relates to a passenger car and a front wall door assembly thereof. The front wall door assembly of the passenger car comprises a door body and a bumper located below the door body. A door body connecting piece is arranged on the lower portion of the door body, the door body connecting piece is provided with a door body hinge portion used for being hinged to the front wall framework around a straight line extending in the left-right direction, a bumper hinge portion used for being hinged to the front wall framework around the straight line is arranged on the lower portion of the bumper, and a door lever locking and unlocking device is arranged between the door body and the bumper. A door lever locking and unlocking device is arranged between the door body and the bumper; the hinge axis of the door body connecting piece and the front wall framework and the hinge axis of the bumper and the front wall framework are located on the same straight line, so that the door body andthe bumper can be turned downwards together, interference of the hinge position of an upper access door in the prior art to an access space is avoided, the access space is increased, and work of workers is facilitated.

The invention discloses an SF6 gas all-insulation ring main unit with excellent heat dissipation performance, and belongs to the technical field of electrical cabinets. An SF6 gas all-insulation ring main unit with excellent heat dissipation performance comprises an upper cabinet body, a lower cabinet body installed at the bottom of the upper cabinet body and a control box installed on the side wall of the lower cabinet body, an inner cavity of the lower cabinet body is divided into a heat dissipation cavity and a wire arrangement cavity through a partition plate, and the upper cabinet body comprises a first sealing part and a second sealing part which are slidably connected to the top of the lower cabinet body; the opposite sides of the first sealing part and the second sealing part are provided with butt joint parts which are matched with each other, the back faces of the first sealing part and the second sealing part are further provided with heat dissipation windows which are evenly distributed, heat dissipation openings of the heat dissipation windows are provided with opening and closing mechanisms, and the top of the lower cabinet body is provided with an electric appliance element installation part arranged in the upper cabinet body. A butt joint control mechanism matched with the first sealing part and the second sealing part is further arranged on the back face of the lower cabinet body. Damp-proof and heat dissipation functions in a rainy day state are realized, and meanwhile, the maintenance space is increased to facilitate later detection and maintenance.