47results about How to "Solve the installation space" patented technology

The invention discloses a single-shaft rubber wheel light rail vehicle bogie. The bogie comprises a framework, a shaft bridge device and an axle fixing device, the framework comprises a guide frame and a suspension frame, the suspension frame is arranged above the guide frame through at least four elastic elements, and a guide wheel is fixedly arranged on the guide frame; rubber wheels are arranged at the two ends of the axle device, and the axle device is located between the suspension frame and the guide frame. The axle fixing device is used for fixing the axle device on the guide frame; a traction rod is connected between the axle fixing device and the suspension frame, a driving device is further arranged on the suspension frame, and the driving device is used for providing power for the axle device. According to the invention, the lightweight design is favorably realized, the comfort of the vehicle is improved, the structure of the bogie is simplified, and the maintainability is enhanced.

The invention discloses a zigzag tooth labyrinth sealing structure and a mounting method thereof and belongs to the technical field of sealing devices. The labyrinth sealing structure comprises a seal mounting hole and a shaft, wherein the seal mounting hole is internally provided with a sealing body; the sealing body and the shaft form a labyrinth seal; the seal mounting hole is provided with a horizontal guide slot and an annular limiting slot; the horizontal guide slot and the annular limiting slot are communicated; the sealing body comprises an upper sealing body and a lower sealing body; the outer side of the sealing body is provided with a guide key; the upper sealing body and the lower sealing body respectively slide into the annular limiting slot along the horizontal guide slot by virtue of the guide keys so as to form cylindrical seal teeth in a matching manner; and the cylindrical sealing teeth and the sealing teeth on the shaft form a zigzag tooth labyrinth seal. The sealing body and the shaft form the zigzag tooth labyrinth seal, so that the problem that the mounting space is limited can be solved; the zigzag tooth labyrinth seal also has a better sealing effect; and furthermore, the zigzag tooth labyrinth seal is simple in structure and convenient and easy to maintain.

A compressor of a turbocharger is described and comprises a compressor housing, a compressor wheel with compressor blades which is mounted therein, and a compressor inlet. The compressor inlet comprises, at least in a section adjacent to the compressor housing, an inner pipe and an outer pipe surrounding the inner pipe. The inner pipe is directed toward the radially inner region of the compressor blades and the outer pipe is directed toward the radially outer region of the compressor blades. The passage cross-section of the outer pipe and / or of the inner pipe can be at least partially blocked, so that the compressor blades can be exposed to a variable flow. The approach flow to the compressor wheel is therefore optimized as a function of the engine load.

The invention relates to a transmission connecting mechanism device for a power takeoff and a gear pump, mainly comprising the power takeoff and the gear pump, wherein the power takeoff and the gear pump are in transmission connection through a connecting mechanism; and the connecting mechanism comprises a connecting sleeve, a spline connecting sleeve I, a spline connecting sleeve II and a spline connecting sleeve III. The device has the beneficial effects that the service life of the gear pump and transmission parts are improved, potential safety hazard of imbalance of a transmission shaft is eliminated, the transmission shaft and a gear pump cradle are not required for self-discharging and connection on a hydraulic pump, and the power takeoff is not required to replace and can be directly mounted with a connecting body and the gear pump, so that the coaxiality of the power takeoff and the gear pump and the automatic working adjustment of radial force when gears works at high pressure are improved, the service life of the gear pump is improved, the problem in position and space for assembling the hydraulic system is solved, energy consumption is saved, and consumption of fuel is reduced.

The invention discloses a built-in guiding oil cylinder which comprises a lower end cap, a cylinder barrel, an upper end cap, a piston, a piston rod, upper screws, a lower screw, a guiding rod, a guiding block and a key. According to the invention, the guiding device is mounted in the oil cylinder, which enhances the radial guiding function of the oil cylinder on one hand, and limits the rotation of the oil cylinder and reliably realizes the circumferential guiding of the oil cylinder on the other hand during the operating process of the oil cylinder. The built-in guiding oil cylinder is simple in structure, works reliably, solves the problem that the mounting space and condition of an external accessory guiding device of an oil cylinder are limited, can be applied to the occasion of limiting circumferential rotation during an oil cylinder operating process, and has a wide application prospect.

The invention discloses a built-in guide oil cylinder which comprises a lower end cover, a cylinder barrel, an upper end cover, a piston, a piston rod, upper screws, lower screws, a guide rod, a right guide block, a left guide block, a key and guide block installing screws. According to the built-in guide oil cylinder, a guide device is installed in the oil cylinder, in the movement process of the oil cylinder, on one hand, the radial guiding action of the oil cylinder is enhanced, and on the other hand, rotation of the oil cylinder is limited, and circumferential guiding of the oil cylinder is reliably achieved. The built-in guide oil cylinder is simple in structure and reliable in work, solves the problem that the installing space and condition of the external accessory guide device of the oil cylinder are limited, can be applied to the occasions where circumferential rotating in the movement process of the oil cylinder is limited and has the wide application prospect.

The invention relates to the technical field of internal combustion engine mechanical structures, and particularly relates to a detachable upright post type steel structure for an internal combustion locomotive cooling chamber. The detachable upright post type steel structure comprises three parts including a front steel structure, a cooling chamber primary steel structure and a resistance braking chamber steel structure, wherein the three parts are connected in sequence in a welding manner; the left side and the right side of the cooling chamber primary steel structure are provided with movable side frame assemblies; each side frame assembly comprises a connecting device, a detachable upright post I, a detachable upright post II and a detachable upright post III; the connecting device is arranged on a side frame of the cooling chamber primary steel structure; the detachable upright post II is arranged below a bottom plate of the connecting device; the detachable upright post I and the detachable upright post III are respectively arranged on both sides of the connecting device; and a stable triangular supporting structure is formed by the connecting device, the detachable upright post I, the detachable upright post II and the detachable upright post IIII. The detachable upright post type steel structure effectively solves the space problems of installation and maintenance of large components inside the internal combustion locomotive cooling chamber, brings great convenience for installation of the large components, and saves the time of installation.

The invention discloses a built-in guide oil cylinder which comprises a lower end cover, a cylinder barrel, a right guide rod, a left guide rod, an upper end cover, a piston rod, a piston, an upper oil cavity, a lower oil cavity, upper screws and lower screws. According to the built-in guide oil cylinder, a guide device is installed in the oil cylinder, in the movement process of the oil cylinder, on one hand, the radial guiding action of the oil cylinder is enhanced, and on the other hand, rotation of the oil cylinder is limited, and circumferential guiding of the oil cylinder is reliably achieved. The built-in guide oil cylinder is simple in structure and reliable in work, solves the problem that the installing space and condition of the external accessory guide device of the oil cylinder are limited, can be applied to the occasions where circumferential rotating in the movement process of the oil cylinder is limited and has the wide application prospect.

An input shaft damper (ISD) of a transmission, may include an inertia body assembly relatively rotatably mounted on an input shaft of the transmission, and a planetary gear set mounted on the input shaft so as to receive and increase a rotational force of the input shaft and output an increased rotational force to the inertial body assembly.

The invention discloses an electric connector plug, an electric connector socket, a multifunctional connector device and an electric automobile. The electric connector plug comprises a fixed plate, afirst mounting base and a plurality of cold source plugs, wherein a plurality of cold source plugs all penetrate through the fixed plate, and a plurality of cold source plugs are all in floating connection with the fixed plate; a plurality of cold source plugs are all connected to the first mounting base; the electric connector socket comprises a second mounting seat and a plurality of cold sourcesockets, and a plurality of cold source sockets are all connected to the second mounting seat; the multifunctional connector device comprises the electric connector plug and the electric connector socket, a plurality of cold source plugs are in one-to-one correspondence with a plurality of cold source sockets, and the cold source sockets are detachably connected to the cold source plugs. Theelectric connector plug is advantaged in that water and electricity are connected at the same time, the actual use space is reduced, an actual installation space problem is solved, and cost is reduced; andthe phenomena of liquid outflow and splashing caused by water connection are effectively avoided.

The invention discloses a combined intelligent capacitor and relates to the technical field of capacitors. The combined intelligent capacitor comprises a shell, a wiring terminal, a separating compensation capacitor zero-phase output end and a three-phase capacitor output end, wherein the three-phase capacitor output end is arranged at one side of the top end of the shell and the wiring terminal and the separating compensation capacitor zero-phase output end is arranged at the other side of the top end of the shell; a compound switch is arranged in the shell; three-phase input ends L1, L2 and L3 of the compound switch are connected to a power grid and three-phase output ends C1, C2 and C3 are connected to a capacitor or an electric reactor; a co-compensation switch is only connected to a separating compensation switch K1 to control three-phase output; the separating compensation switch K1 controls output of the C1, K2 controls the output of the C2 and K3 controls the output of the C3; V is connected to an anode at the public end of a control signal; and N is a power grid null line input end. The combined intelligent capacitor has simple overall structure and simple wiring, a problem of hybrid compensation installation space is solved, and meanwhile, the problems of narrow distance between parallel electric appliance groups and easiness in heating and damage are solved, the speed of discharge can be accelerated, and the conditions are created for quick switching of the capacitor.

The invention discloses a built-in guide oil cylinder which comprises a lower end cover, a cylinder barrel, a right guide rod, a left guide rod, an upper end cover, a plunger piston and the like. A guide device is mounted inside an oil cylinder, so that in a movement process of the oil cylinder, on one hand, radial guide effect of the oil cylinder is reinforced, on the other hand, rotation of the oil cylinder is restricted, and therefore, circumferential-direction guide of the oil cylinder is reliably realized. The built-in guide oil cylinder is simple in structure, reliable in work, solves the problem that a guide device for external accessories of the oil cylinder is limited by a mounting space and conditions, can be applied to limiting a circumferential-direction rotation occasion in a movement process of the oil cylinder, and has a wide application prospect.

The invention discloses a railway vehicle and a cowcatcher structure thereof. The cowcatcher structure comprises a cowcatcher main structure with a concave area design, and the concave area of the cowcatcher main structure is used for installing a signal system; the cowcatcher main structure comprises an upper cover plate, a lower cover plate and a middle support. The concave area is of a trapezoidal structure which is formed by splicing a plurality of middle U-shaped beams and is large in outside and small in inside; a plough-shaped cowcatcher plate is arranged at the front end of the cowcatcher main structure; and a longitudinal strength reinforcing structure is arranged in the cowcatcher main structure, and a box-shaped body is formed between the longitudinal strength reinforcing structure and the lower cover plate. The cowcatcher structure has the characteristics of being light in weight and high in strength, and can meet the requirement for an ultra-large installation space needed by a vehicle signal system.

The invention discloses a built-in guide oil cylinder comprising a lower end cover, a cylinder barrel, a right guide rod, a left guide rod, an upper end cover, a plunger and the like. A guide device is arranged inside the oil cylinder, on one hand, the radial guide effect of the oil cylinder is improved in the motion process of the oil cylinder, and on the other hand, the rotation of the oil cylinder is limited in the motion process of the oil cylinder, so that the circumferential guide of the oil cylinder is reliably realized. The built-in guide oil cylinder is simple in structure, reliable in work, capable of solving the problem of mounting space and condition limitation of the guide device serving as an outer accessory and wide in application prospect and can be applied to occasions where circumferential rotation is limited in the motion process of the oil cylinder.

The invention discloses an integrated battery pack and an automobile. The integrated battery pack comprises a battery module and a controller which are coupled with each other, wherein the battery module comprises battery packs and battery pack detection units coupled with the battery packs in a one-to-one correspondence manner; the controller includes a micro-control unit, a battery management unit which is coupled with the micro-control unit, a current detection unit coupled with the battery management unit, a mode switching unit coupled with the battery management unit, a vehicle-mounted charging unit coupled with the micro-control unit, and a voltage conversion unit coupled with the micro-control unit, the battery management unit and the vehicle-mounted charging unit. The battery packdetection unit is coupled with the battery management unit; the current detection unit is coupled with the positive electrode or the negative electrode of the battery pack; the mode switching unit iscoupled with the positive electrode and the negative electrode of the battery pack. According to the invention, high-voltage components are integrated and arranged inside, exposed high-voltage components are reduced, and the system is safer and more reliable.

The invention discloses a method for transforming a medium pipeline blocking mounting of a steel column of an extended factory. Based on the longitudinal axis of the medium pipeline and the transversesize of the blocking portion of the longitudinal shape contour line of the steel column of the extended factory, a pipeline support at the blocking position of the medium pipeline is structurally transformed, the portion, at the blocking position, of the medium pipeline is horizontally moved to the right side of the longitudinal position of the steel column of the extended factory, a 200 mm transverse distance is formed between the outer surface of the left side of the transformed medium pipeline and the longitudinal outer contour line on the right side of the steel column of the extended factory, and space needed by mounting of the steel column of the extended factory is vacated. The method includes the sequential construction steps that blocking points of mounting of the steel column ofthe extended factory are searched for, a medium pipeline support at the blocking position of factory extension is transformed, and the portion, at the blocking position, of the medium pipeline is transformed. The problem about mounting of the steel column of the extended factory at the blocking position of the medium pipeline is solved, the risk of supply interruption of an energy medium caused by blocking of the medium pipeline on mounting of the steel column of factory extension is reduced, and it is guaranteed that engineering construction and workshop production are effectively carried out.

The invention discloses a zigzag tooth labyrinth sealing structure and a mounting method thereof and belongs to the technical field of sealing devices. The labyrinth sealing structure comprises a seal mounting hole and a shaft, wherein the seal mounting hole is internally provided with a sealing body; the sealing body and the shaft form a labyrinth seal; the seal mounting hole is provided with a horizontal guide slot and an annular limiting slot; the horizontal guide slot and the annular limiting slot are communicated; the sealing body comprises an upper sealing body and a lower sealing body; the outer side of the sealing body is provided with a guide key; the upper sealing body and the lower sealing body respectively slide into the annular limiting slot along the horizontal guide slot by virtue of the guide keys so as to form cylindrical seal teeth in a matching manner; and the cylindrical sealing teeth and the sealing teeth on the shaft form a zigzag tooth labyrinth seal. The sealing body and the shaft form the zigzag tooth labyrinth seal, so that the problem that the mounting space is limited can be solved; the zigzag tooth labyrinth seal also has a better sealing effect; and furthermore, the zigzag tooth labyrinth seal is simple in structure and convenient and easy to maintain.

The invention relates to a connection device for prefabricated floating slabs and a construction method thereof. The connection device comprises the floating slabs which are in butt joint with each other, the floating slabs are connected into a long strip track bed, a square hole is formed in the middle of the track bed formed by the two adjacent floating slabs, and openings are formed in the waist portions on two sides; grooves are formed in two side surfaces of each floating slab, channel steel is mounted in the grooves, circular holes are formed in the channel steel, and connection parts are mounted in the channel steel and are locked through long bolts. The connection device is compact and reasonable in structure and convenient to operate and adopts a side mighty shearing hinge, the shearing hinge is high in shearing force transmitting capacity and good in rail smoothness and vibration isolation effect, meanwhile the installation space problem of the adjacent floating slabs is solved, posture errors are reduced, and the positioning problem is solved.

The invention relates to a main cooler assembly. The main cooler assembly is small in size and superior in performance so as to meet the requirement for the maximum temperature group T4 (< 135 DEG C) of an explosion-proof diesel forklift, under the designed use environmental temperature, the explosion-proof forklift and a common forklift can also continuously work, with a reasonably-designed air inlet channel and an air exhaust channel, power performance of an engine is not decreased, and the whole vehicle performance of the explosion-proof forklift is the same as that of the same type common forklift. According to the technical scheme, the main cooler assembly comprises a sealed shell body and an air exhaust heat exchange chamber arranged in the shell body, a gas is reserved between the shell body and the air exhaust heat exchange chamber, and cooling water is filled in the gap to form a water interlayer. The main cooler assembly is suitable for the explosion-proof diesel forklift with the high explosion-proof grade and other explosion-proof internal combustion engineering mechanical vehicles.

The invention discloses a wide-frequency large-displacement vibration simulation exciter suitable for road simulation of high-speed crawler vehicles, which includes a tailstock, an oil accumulator, a cylinder body, an end cover, a gland, and a cap; It is used to provide the base and support; the cylinder is located above the tailstock, the two ends of the cylinder are connected with end covers, the front of the cylinder is equipped with a valve block and a cartridge type back pressure valve, and the inside of the cylinder is installed with An integrated piston rod; an electro-hydraulic servo valve and a plug-in pressure reducing valve are installed on the upper part of the valve block, and an oil accumulator is installed under the valve block; a gland is connected to the upper part of the integrated piston rod. The upper part of the cover is connected with the platform. The invention realizes the low-friction wide-frequency large-displacement vibration simulation of the exciter, has strong adaptability, quick response, convenient adjustment and meets the requirements of laboratory testing.

The invention discloses a single-axle rubber-tyred light rail vehicle bogie, which comprises: a frame, an axle-bridge device and an axle-bridge fixing device, the frame includes a guide frame and a suspension, and the suspension is set by at least four elastic elements Above the guide frame, guide wheels are fixedly arranged on the guide frame; rubber wheels are provided at both ends of the axle bridge device, and the axle bridge device is located between the suspension and the guide frame The axle-bridge fixing device is used to fix the axle-bridge device on the guide frame; wherein, a drawbar is connected between the axle-bridge fixing device and the suspension, and the suspension is also provided with A driving device, the driving device is used to provide power for the axle bridge device. The invention is beneficial to realize the lightweight design, improve the comfort of the vehicle, simplify the bogie structure and enhance the maintainability.

The invention discloses a non-horizontal-direction insert device and a working method thereof. The non-horizontal-direction insert device comprises a machine tool, a workpiece grab and an insert grab; a workpiece is assembled on the workpiece grab; a non-horizontal insert is assembled on the insert grab; the workpiece grab and the insert grab are movably installed on the machine tool; the insert grab is arranged in a mode of moving back and forth relative to the workpiece grab; and the non-horizontal insert comprises an inclined part and a vertical part from top to bottom. The non-horizontal insert is arranged to be of a structure with the upper part and the lower part, and the insert grab in the horizontal direction grabs the vertical part of the insert and moves horizontally to combine the insert with the workpiece. The problem that a grab of common equipment needs to be arranged obliquely and has a higher requirement for the installation space and assembly is solved, and the working efficiency of whole equipment is improved.

The invention discloses a limitable rotation device for a boom of a bridge crane, which comprises a main motor and a motor rotation adjustment mechanism. The main motor is fixedly installed on the left side of the operation platform, and the There is a support frame, the left and right ends of the support frame are equipped with electromagnetic clutches, the inner wall of the support frame is connected to the motor rotation adjustment mechanism, and the right end of the motor rotation adjustment mechanism passes through the inner wall of the support frame and is arranged on the The reducer on the right side of the motor rotation adjustment mechanism is connected, and the driving end of the reducer is connected with the auxiliary motor. Dual motors with different speeds are used to drive the rotation adjustment, which greatly improves the rotation adjustment accuracy, and the worm gear rotation support has Self-locking function, the device can be self-locked at any position during the overall rotation process, without adding other auxiliary devices, which reduces the probability of device failure, is safe and reliable, and effectively improves work efficiency.

The invention provides a massager, when a seat part of the massager is inclined due to the expansion of an air bag, the load is reduced relative to the air bag, and the expandable stroke of the air bag is shortened. In the massager provided with the seat part (2) holding the buttock of a patient, which is inclined by using an oblique fulcrum (21) at the rear side of the seat part to change the angle of the seat part (2), a pivot of an auxiliary leg (3) for inclining the seat part before the oblique fulcrum (21) is supported to be lifted on the seat part (2), and the auxiliary leg is connectedwith the air bag (41).