115results about How to "Large maintenance space" patented technology

The invention discloses a motor capable of realizing a stator closed and rotor open ventilation mode by adopting axial-flow ventilation. An adopted shaft is provided with an external circumferential spiral groove, and the spiral groove matches with axial-flow fans with two clingy ends and the same spiral directions to form an axial-flow combined ventilation apparatus; the apparatus is arranged in a rotor and at two ends of the rotor, and the extra axial space of the motor is not occupied, so that the motor is compact in structure; due to different steering directions, airflow directions are also different but the motor can be cooled; in combination with labyrinth seal, a combined cooling mode of stator closed ventilation cooling and rotor open ventilation cooling of the motor is realized, and the combined cooling mode enables the insulation reliability of a stator and the heat dissipation capability of a rotor to be both ensured and improves the motor efficiency; a stator cooling air duct consists of vent holes (2x), a stator air duct (2h) and an air duct section (6h); a rotor cooling air duct consists of vent holes (5y), gaps (9b), a spiral groove (4b) and gaps (10b); the two cooling air ducts are connected in series; and the spiral combined apparatus provides air pressures for the cooling air ducts.

The invention relates to a two-stage four-drum forming machine for all-steel truck radical tires, which is characterized by being composed of a first-section forming machine and a second-section forming unit, wherein the first-section forming machine comprises a truss, a first-section tire-body attaching drum, a feeding rack mechanism, a tire-body transfer ring, a first-section forming drum host and a tire-body tube transfer carriage; and the truss is of an inverted U-shaped structure, the first-section tire-body attaching drum and the tire-body transfer ring are sequentially arranged on a cross beam above the truss, a tire-body attaching drum transmission case and a set of tire-body rolling device are arranged in the first-section tire-body attaching drum, the first-section forming drum host comprises left and right reverse packing devices, left and right forward packing devices, a first-section forming drum and rear compression roller device, and a first-section forming drum tail seat, and the left and right reverse packing devices are arranged below the truss. According to the invention, a two-stage four-drum forming machine for all-steel truck radical tires is specially used for producing loaded all-steel radial tires with large bearing, and can achieve an extremely good effect on solving heavy load and seam allowance problems.

The invention relates to an integrated air braking device for rail vehicles, which comprises a brake integrated plate and a main valve, an emergency valve, a stopper valve, a check valve, a column pipe pressure sensor, a main air pipe pressure sensor, a brake cylinder pressure sensor and an auxiliary air cylinder pressure sensor mounted on the brake integrated plate. The brake integrated plate isalso provided with a train pipe interface, a working air cylinder interface, a brake pipe interface, an auxiliary air cylinder interface, a main air pipe interface, a brake cylinder interface and a living air pipe interface, and the brake integrated plate is internally provided with an air path to ensure the communication between each equipment of the air path plate. The device of the invention centralizes the function of the 104 distribution valve, and can brake the vehicle and alleviate the effect; the QD-G function can realize the conversion of single pipe and two pipes of the vehicle, andat the same time provide the wind demand for the auxiliary system of the vehicle; pressure sensors are also installed to detect the pressure in each piping when the vehicle is braked.

The invention provides an energy-saving circular loom which has optimum structural design, increases motor rotational speed and reduces motor power, thereby reduces power consumption, which improves the shortcoming that the existing circular loom has large energy consumption, convenient maintain and the like. The invention mainly comprises a circular guideway, a shuttle guiding frame, a wallboard, a shuttle-race, a bearing support of the shuttle-race, a central seat, a main drive nylon large gear, a drive gear wheel, a beveled wheel, a button box, an electric motor and a large chassis, wherein the shuttle-race is fixed on the bearing seat of the shuttle-race, the lower end of the bearing seat of the shuttle-race is connected with the central seat, the central seat is fixed on the large chassis, the drive gear wheel is connected with the main drive nylon large gear, and the inner lateral of the circular guideway is provided with a line breaking alarm indicator light. The invention is characterized in that the electric motor is horizontally arranged and horizontally connected with a reversing decelerator through a shaft coupling, the drive gear wheel is sleeved on the vertical output end of the reversing decelerator and engaged with the main drive nylon large gear which is fixed on the lower end of the bearing seat of the shuttle-race, and both the electric motor and the reversing decelerator are mounted on the surface of the large chassis.

The invention relates to a container type data system, which comprises a setting container body, wherein the container body is internally provided with an air conditioner and a plurality of cabinets used for completing data calculation. The container body is formed by splicing a first container and a second container along the long side direction, wherein the first container and the second container are internally provided with a row of cabinets respectively, and front doors of the two rows of cabinets are oppositely arranged; a hot air channel is arranged between rear doors of the two rows of cabinets and the inner side walls of long sides of the first container and the second container, and a cold air channel, which facilitates the air conditioner to circulate generated cold air after cooling hot air, is arranged between front doors of the two rows of cabinets; and an air outlet of the air conditioner is communicated with the cold air channel, and the air conditioner is internally provided with a fan used for absorbing hot air in the hot air channel into the internal part of the air conditioner. The container type data system provided by the invention improves the cooling efficiency, reduces the ratio of the total equipment energy consumption of the container type data system to IT equipment energy consumption, increases the maintenance space at the same time, and improves the convenience in operation for maintainers.

The invention provides a heavily-loaded vehicle cab rear suspension device, belongs to the technical field of machinery and solves the problem that existing suspension devices are complex in structure, large in mounting occupation space, low in comfortableness and the like. The device comprises a pair of supports in left-right symmetry, a pair of damping shock absorbers and a pair of springs, a pair of rocker arms is hinged at the upper end of each support, a lock bolt is connected between each pair of the rocker arms, a connecting block is arranged on each lock bolt and used for being fixedly connected with a cab, the lower end of each support is fixedly connected with a crossbeam of a vehicle, each damping shock absorber comprises a cylinder and a piston rod, the inner end of each piston rod is positioned in the corresponding cylinder while the outer end of the same extends out of the cylinder to be hinged with the corresponding pair of the rocker arms, the bottom of each cylinder is hinged to the middle lower end of the corresponding support, each spring is sleeved on the corresponding damping shock absorber, and one end of each spring is abutted against the corresponding cylinder while the other end of the same is abutted against the corresponding piston rod. The heavily-loaded vehicle cab rear suspension device has the advantages of convenience for processing, low production cost, small mounting occupation space and the like.

The invention discloses a vertical star-shape high-pressure air compressor. The air compressor is high in gas compression rate, stable in machine working, small in noise, low in failure rate, small in integral machine size, compact in arrangement, and convenient to repair and inspect. The air compressor comprises a vertically arranged motor, a crank shaft case, a first-stage cylinder, a second-stage cylinder, a third-stage cylinder a fourth-stage cylinder, a first-stage cooler, a second-stage cooler, a third-stage cooler and a fourth-stage cooler, wherein a crank shaft is connected with a main shaft of the motor; the first-stage cylinder, the second-stage cylinder, the third-stage cylinder and the fourth-stage cylinder are arranged in a radial star shape along the radial direction of the main shaft of the motor; four vibration isolators which are connected under the crank shaft case through a bracket; the first-stage cooler is arranged under the first-stage cylinder, the second-stage cooler and a second-stage oil-water separator are combined into a whole and are arranged above the third-stage cylinder; two ends of the third-stage cooler and the fourth-stage cooler and a third-stage oil-water separator and a fourth-stage oil-water separator are combined into whole and are arranged above the second-stage cylinder; an oil holding disc is arranged above the crank shaft case; the cylinders are connected through pipelines; two ends of the crank shaft are connected with an upper balance weight and a lower balance weight; an oil groove is formed in the lower end surface of each connecting rod.

The invention discloses a ship electric frying oven with a fire extinguisher plant, mainly comprising a frying oven which consists of an upper cover body and a lower cover body, wherein the upper cover body is internally provided with a filter screen and an exhaust fan. The ship electric frying oven is characterized in that the lower cover body is internally provided with the fire extinguisher plant, an electrical controller and a control box. The invention has reasonable structure and ingenious conception and is convenient and close to an actual operation due to the development based on a large amount of market researches, and meanwhile, the invention also adopts front operation and front maintenance by considering that the area of kitchen positioned on the ship is smaller and equipment is more compactly arranged; and besides, the invention has convenient domestic procurement by adopting an MJPZ type portable mechanical foam extinguisher recognized by CCS (China Classification Society) , obvious Chinese characteristics and relative autonomy, uniqueness and economy and also has great popularization value due to the adoption of an aqueous film-forming foam extinguishing agent.

The invention relates to the technical field of vehicle maintenance and detection, and particularly relates to a lifting machine. The lifting machine comprises a frame body, a hydraulic system and a lifting system, wherein the frame body comprises an underframe and vertical columns; the hydraulic system is arranged on the vertical columns; the lifting system is connected to the hydraulic system; the hydraulic system comprises a hydraulic power assembly and a lifting assembly; the hydraulic power assembly comprises a hydraulic power part, a high-pressure oil pipe and an oil pipe joint; the lifting assembly comprises an oil cylinder, a chain wheel, a chain mounting base and a plate chain; the lifting system comprises a parking platform and a lifting frame body; the lifting frame body comprises a lifting frame, a left arm, a right arm, a connecting pipe and a lifting frame; and the parking platform comprises two parking plates and a middle plate.

A carriage running mechanism for hoister is composed of a multi-stage motor, two shaft couplings connected respectively to the high-speed terminal and low-speed terminal of said multi-stage motor, two floating axles with one end connected respectively with another ends of said shaft couplings and another end linked with the gear in gear-rack bar mechanism, two bearings, and a brake.

The invention provides a two-sided exposure device, which can expose the surface and back face of the substrate under identical exposure condition without any bothersome modulation and control. The lights emitted from a light source lamp (10) converge at an oval mirror (11) convergence, turn back through a reflector (12), partly focus at a fly's-eye lens (13); and then the light is divided into a reflected light and a transmitted light through a spectroscope (20), pass through a light source light shutter (21) to control the luminous quantity, further it is reflected by a collimating mirror (3) as a parallel light, and then permeates a photo mask (51) and a light mask (52) to irradiate on the surface side and back face side of the substrate (50).

The grass mower includes a front wheel unit having a left front wheel and a right front wheel which are mounted to a vehicle body frame, a rear wheel unit having a left rear wheel and a right rear wheel which are mounted to the vehicle body frame and a mower unit disposed between the front wheel unit and the rear wheel unit downwardly of the vehicle body frame, the mower unit including a rotary blade unit that has at least a left blade and a right blade which are disposed side by side in a vehicle body left/right direction. The rotary blade unit is configured such that a tread-on track of the left front wheel is overlapped with a rotation locus portion of the left blade from the front side to the rear side thereof and a tread-on track of the right front wheel is overlapped with a rotation locus portion of the right blade from the front side to the rear side thereof.

The invention discloses a double-layer low-noise container power station. The double-layer low-noise container power station comprises a lower container body, a power generator set, a silencer, an air inlet silencing body and an air outlet silencing body, and the power generator set is arranged in the lower container body. The double-layer low-noise container power station further comprises an upper container body, the upper container body and the lower container body are partitioned through a partition plate, the silencer is arranged in the middle portion of the upper container body, the air inlet silencing body is arranged at the left end of the upper container body, the air outlet silencing body is arranged at the right end of the upper container body, and an air inlet shutter is arranged at the left end of the upper container body. The double-layer low-noise container power station has the beneficial effects that a double-layer low-noise container is arranged, the power generator set and a noise reducing and smoothing part can be separately arranged, the pipe design cost is lower, the maintaining space is larger, maintaining is relatively convenient, and the maintaining cost is low; and meanwhile a noise reduction part with large volume can be installed, and the noise reducing effect can be improved.

The invention discloses a thin seam combined coal mining unit as well as a coal mining machine and a scraper conveyer. The thin seam combined coal mining unit comprises the coal mining machine and the scraper conveyer. The coal mining machine comprises a body, a cutting part and a driving part, wherein the driving part is arranged on the side of a rib of the body; the scraper conveyer comprises a front side plate, a rear side plate and a scraper chain and a chain wheel arranged between the front side plate and the rear side plate. A pin track of the coal mining machine is arranged outside the front side plate, and the driving part is engaged with the pin track of the coal mining machine. According to the thin seam combined coal mining unit provided by the invention, the coal mining machine and the scraper conveyer are matched on the side of the rib, so that the height of the body of the coal mining machine can be reduced so as to reduce the coal mining height of the coal mining machine, so that the unit is easily arranged in the working face of the thin seam to more effectively explore aiming at the characteristic of height of the thin seam, thereby improving the extraction efficiency. Meanwhile, the maintenance space of the coal mining machine can be enlarged to facilitate maintenance work, the labor intensity of underground operators is reduced, and the operating safety is enhanced.

The invention discloses a fuel pump system integrated with an engine body. The structure is that an engine body recessed cavity of a fuel pump is arranged on the engine body, and a casing recessed cavity identical with the engine body recessed cavity in shape is arranged on a fuel pump casing. A driving shaft and a driven shaft are respectively arranged on boss shaft sleeves in the recessed cavities, and a driving gear and a driven gear are respectively embedded in the driving shaft and the driven shaft. The driving shaft with the driving gear penetrates through the boss shaft sleeve of the fuel pump casing to be connected with a fuel pump gear outside the fuel pump casing. The fuel pump casing and the engine body recessed cavities are fastened and sealed through bolts and rubber rings to form a complete fuel pump working cavity. A large portion of the fuel pump working pump occupies space in the engine body to enable structure outside the fuel pump to be very small. When identical pressure and flow in a main oil channel are achieved, overall dimension of the engine is remarkably reduced. Therefore, the matching difficulty of the engine and a whole vehicle can be reduced, and large maintenance space is retained for the whole vehicle. The structure can be widely applied to any engine due to the fact that the system is simple and compact in structure.

The invention discloses a power cabinet convenient to maintain. The invention belongs to the technical field of power maintenance, according to the invention, a rain guide cover is arranged at the topend of a cabinet bin; the cabinet bin is movably connected with a cabinet door through a rotating shaft; a plurality of uniformly distributed fixing plates are arranged on the inner wall of the cabinet bin; each fixing plate is provided with a plurality of uniformly distributed pulleys, the pulleys are movably contacted with a chute, the chute is fixed on a support column, one side of the supportcolumn is provided with a vertical placing plate, and the other side of the support column is provided with a plurality of uniformly distributed transverse placing plates. According to the power cabinet convenient to maintain, equipment in the power cabinet can be conveniently pulled out by means of the push-pull device, and maintenance personnel can complete maintenance tasks more easily.

The invention discloses a connecting rod clamping mechanism and solves the problems of high wear of five-fulcrum connecting rods, arrangement positions of oil cylinder assemblies, high probability offires in high-temperature regions and inconvenience in maintenance. The connecting rod clamping mechanism comprises a moving mold plate, a fixed mold plate and a base plate, wherein the moving mold plate is connected with the base plate through a mold plate hinge assembly, the connecting rod clamping mechanism also comprises a threaded mold adjusting assembly arranged on the outer side of the baseplate, a mode locking oil cylinder assembly and a mode locking pull rod, the mode locking oil cylinder assembly is arranged on the same side of the base plate; one end of the mode locking pull rod penetrates the moving mold plate and the base plate and is matched with the mode locking oil cylinder assembly and the threaded mold adjusting assembly on the outer side of the base plate respectively,and the other end of the mode locking pull rod penetrates the fixed mold plate; a drive part is also arranged on the base plate and connected with the mold plate hinge assembly. The connecting rod clamping mechanism is good in mode locking accuracy, high in efficiency and convenient to maintain and cannot cause safety accidents easily.

A substrate processing apparatus comprises a chamber. The chamber includes a container and an upper lid for closing an upper opening of the container. On the upper side of the chamber, an elevator for vertically moving the upper lid is disposed integrally with the chamber.