45results about How to "Few parts involved" patented technology

The invention relates to an automatic injection device. The automatic injection device comprises a pipe body, a fixed sleeve, an injection assembly, a sound production element, a movable sleeve, a first elastic element and a second elastic element, wherein the sound production element comprises an annular body and sound production blocks; the annular body is coaxially and movably arranged in the fixed sleeve; the sound production blocks are arranged on a peripheral wall of the annular body; the sound production blocks penetrate out of the fixed sleeve in a radial direction and the sound production blocks and the fixed sleeve are relatively positioned through corresponding positioning structures; sliding grooves for the sound production blocks to axially move downwards after freeing from the corresponding positioning structures are formed in the fixed sleeve; each sound production block can produce a sound when bumping against an inner wall of one sliding groove; the movable sleeve sleeves the fixed sleeve; the lower end of the movable sleeve can extend out of the pipe body; the movable sleeve is provided push parts capable of pushing the sound production blocks to move to free fromthe corresponding positioning structures when moving upwards; the first elastic element acts on the sound production element, so that the sound production element keeps moving downwards all the time;and the second elastic element acts on the movable sleeve, so that the movable sleeve keeps moving downwards all the time. The sound production element prompts a user to start the injection, so thatthe safety is high.

The invention relates to an LED (Light Emitting Diode) lamp for a light string. The LED lamp for the light string comprises a shell and a circuit board. The shell is characterized by comprising a bottom cover, a fixed plate and a transparent hood. The transparent hood and the bottom cover are fixed together to form a base shell provided with an accommodating chamber. The fixed plate is arranged in the accommodating chamber of the base shell. A slot for a lead to pass through and embed is arranged on the bottom surface of the fixed plate. The bottom cover shields the opening at the bottom of the slot. The circuit board is arranged between the fixed plate and the transparent hood. A first conductive felting needle and a second conductive felting needle are arranged on the fixed plate in a penetrating way. The upper ends of the first felting needle and the second conductive felting needle exposes out of the top surface of the fixed plate and are respectively conducted with the cathode access point and the anode access point of a power supply in the circuit board. The lower ends of the first conductive felting needle and the second conductive felting needle are located in the slot for piercing a surface insulating layer of the lead embedded into the slot and being contacted with the lead. According to the LED lamp for the light string, fewer parts are involved, and the LED lamp for the light string is simple in structure and convenient to assemble.

The invention relates to a garbage pyrolyzing furnace, in particular to a feeding device of the garbage pyrolyzing furnace. The feeding device comprises a feeding pipe (1) and a piston (2); the upper end of the feeding pipe (1) is provided with a feeding port (3); and a contraction loop (4) inwards contracted is arranged between a position of the feeding pipe positioned on the outer end of the furnace wall and the feeding port (3). The invention can effectively keep the sealing performance of the pyrolyzing furnace, and can easily deliver garbage to the furnace with high efficiency simultaneously. In audition, because the invention has simple design and few related parts, the preparation of the parts does not have any technical difficulties, the invention can sufficiently satisfy the stability requirement during garbage treatment industrial production.

The invention relates to a riveting point device with double air cylinders. The riveting point device with the double air cylinders comprises platform deck and support frames, wherein the platform deck is used for bearing and fixing products, the support frames are positioned on two sides of the platform deck, each support frame is provided with an air cylinder connected in series, and the two air cylinders connected in series are arranged face to face. An L-shaped link stopper is arranged on each support frame, and a sliding block is arranged on each L-shaped link stopper. The piston rods of the air cylinders connected in series are connected the sliding blocks in a driving mode, the air cylinders connected in series drive the sliding blocks to move along the L-shaped link stopper and rivets are arranged on the sliding blocks. When the riveting point device receives strong impulse load, the precision of the rivets can be guaranteed in + / - 0.02 mm, parts related are less, design is simple, and cost is low. The sliding blocks and the L-shaped link stoppers are made of tungsten steel or other materials with a good performance, and friction coefficient less than 0.001 can be acquired through the roughness of a processing surface. The whole friction surface is in an open space, is convenient to grease, and replacing rivets or other workpiece. The riveting point device with double air cylinders is not limited by motion frequency, meets the requirements of glide pressing-in precision, high motion frequency of the air cylinders, multiple-direction strong impulse loads bearing and the like.

The invention relates to a multifunctional walking aid which comprises two side rods and a lower support rod. The top ends of the two side rods are connected through axillary supports, and the middle parts of the two side rods are connected through handles. The multifunctional walking aid is characterized in that the bottom end of the two side rods are connected together through a connecting shaft, the two ends of the connecting shaft penetrate through the side rods, front wheels are arranged at each end part of the connecting shaft in a rotating manner, a knee plate is connected between the two side rods in a rotating manner, a rotation limiting structure is arranged between the knee plate and each side rod and prevents the knee plate from turning downward when the knee plate is in a horizontal state, the upper end of the lower support rod is connected to the connecting shaft in a rotating manner and positioned between the two side rods, rear wheels are arranged on two sides of the rear part of the lower support rod in a rotating manner, the lower support rod and the connecting shaft are connected together through a selective positioning structure, and the selective positioning structure can position the lower support rod in a vertical or horizontal state. When the lower support rod and the knee plate are both in the horizontal state in the same direction, the walking aid serves as a scooter; and when the lower support rod and the knee plate are both in the vertical state, the walking aid serves as a walking stick.

The invention relates to beverage brewing equipment allowing a beverage bag to be removed easily. The beverage brewing equipment comprises a machine base, a first machine part, a second machine part and a holding mechanism used for receiving and holding the beverage bag after the beverage bag is inserted between the first machine part and the second machine part. The beverage brewing equipment is characterized by further comprising a bag scraping plate and an elastic structure; the bag scraping plate can be constrained inside the machine base and can slide in the vertical direction, the bag scraping plate is provided with a blocking part which extends backwards to the upper portion of the rear of the rear end face of the first machine part, and spacing allowing the annular edge of the beverage bag to be placed is formed between the blocking part and the rear end face of the first machine part; the elastic structure acts on the bag scraping plate so that the bag scraping plate can maintain a downward moving trend. According to the beverage brewing equipment, the beverage bag is removed mainly through the action of the bag scraping plate, the number of related components is small, and the structure is simple; in the process of removing the beverage bag, the bag scraping plate moves downwards and will push the annular edge, so that downward pushing force is produced on the beverage bag; in other words, the falling force of the beverage bag not only comprises the gravity of the beverage bag but also comprises the elasticity of the elastic structure, and therefore it is further ensured that the beverage bag is removed smoothly.

The invention relates to a pressure regulator of an electric air pump. The pressure regulator is characterized by comprising a base plate, a flexible sealing fin, a moving plate, a base with an inner cavity, an adjusting screw, a knob with an inner gear ring and a trigger switch, wherein the base plate is provided with a chamber with an open upper part; an air inlet nozzle is arranged on the sidewall of the base plate; the flexible sealing fin is arranged on the upper end face of the base plate and covers the opening at the upper end of the chamber; the moving plate is laid on the flexible sealing fin; the base with the inner cavity is fixed on the upper end face of the base plate; a threaded hole communicated with the inner cavity is arranged on the upper end face of the base; the adjusting screw is connected in the threaded hole; a spring is supported between the lower end of the adjusting screw and the moving plate; a pinion is fixed at the upper end of the adjusting screw; the knob with the inner gear ring is sleeved on an mounting column of the base and can rotate; the pinion is meshed with the inner gear ring of the knob; and the trigger switch is fixed on the base and a contact of the trigger switch extends into the inner cavity of the base. The regulator can drive the adjusting screw to rotate to drive the deformation of the spring by only rotating the knob and realize the adjustment at maximum pressure without extra adjusting tool.

The invention relates to a mosquito defending and repelling lamp which comprises a hollow shell and a mosquito-lured lamp arranged on the upper side of the shell. A draught fan and a mosquito repelling part are arranged in the shell. A mosquito storing chamber for storing mosquito corpuses is formed at the bottom of the shell. An air inlet and an air outlet which are communicated with each other are formed in the shell. The air inlet is formed in the top of the shell and can allow mosquitoes to pass through. The air outlet is located below the draught fan and can prevent mosquitoes to pass through. A night lamp assembly for illumination is arranged in the shell and located between the mosquito-lured lamp and the draught fan. The shell is at least locally transparent or semi-transparent sothat light can permeate through the shell. The mosquito repelling part absorbs mosquito repelling liquid and is arranged below the draught fan. When the mosquito-lured lamp is turned on, the draught fan works, and the negative pressure is formed in the shell so that mosquitoes can be sucked in; when the mosquito-lured lamp is turned off, the draught fan works so that the mosquito repelling liquidcan volatile. Multiple purposes are realized through the draught fan, the draught fan is matched with the mosquito repelling part for repelling the mosquitoes, no other parts need to be arranged for repelling the mosquitoes, multiple purposes are realized through one lamp, and few parts are involved.

The invention provides a transmission system for a grate cooler, aims at solving the problems that the transmission system for the grate cooler in the prior art has complex structure, trivial installation, more lubricating points, large maintenance difficulty and poor running reliability and comprising an eccentric shaft, an eccentric wheel, a bearing seat and a locking mechanism; the locking mechanism comprises a front inner side surface and a rear inner side surface which are opposite and form a containing space; the eccentric wheel can freely rotate after being arranged in the containing space; the minimum distance between the opposite front inner side surface and the rear inner side surface is slightly larger than the diameter of the eccentric wheel; the locking mechanism also comprises a fixed structure which is separated from the eccentric shaft and the eccentric wheel and is used for being fixedly connected with the moving cart and fixing the opposite position between the front inner side surface and the rear inner side surface. The transmission system has simple structure, convenient installation, low maintenance frequency and high running reliability. The invention also provides a transmission structure applying the transmission system and the grate cooler simultaneously, which have same beneficial and technical effects.

The invention relates to a two-way single-direction speed regulating valve. The two-way single-direction speed regulating valve is characterized in that a valve body, a spring base with a first oil opening, a valve base, a bush with a through hole, a pressure compensating valve element, a first spring cavity, a second spring cavity, a throttling valve element, a driving structure are included, wherein a second oil opening is formed in the peripheral wall of the valve body; the periphery of the bush is sleeved with the pressure compensating valve element, the pressure compensating valve elementcan vertically slide along the bush, a through-flow cavity is formed in a large hole part of a step hole of the pressure compensating valve element, and a through-flow hole is formed in the peripheral wall of the bush. A first spring is arranged in the first spring cavity, and a damping hole is formed in the peripheral wall of the bush. A second spring is arranged in the second spring cavity, andthe second oil opening communicates with the second spring cavity. A through-flow groove is formed in the valve base. The throttling valve element can vertically slide, an adjusting cavity is formedin the bottom of the throttling valve element, and a throttling valve is formed in the peripheral wall of the adjusting cavity. The driving structure is used for driving the throttling valve element to vertically slide. The two-way single-direction speed regulating valve has the function of a one-way valve, and it can be guaranteed that the output flow of the second opening is kept consistent; andthe number of involved components is small, and the structure is compact.

The invention provides an unmanned aerial vehicle. According to the unmanned aerial vehicle, the problems that according to an existing unmanned aerial vehicle achieving unfolding and folding of vehicle arms, the structure is complex, the occupied space is large, and the size of the unmanned aerial vehicle is increased are solved. The unmanned aerial vehicle comprises a vehicle body and a plurality of vehicle arms. A plurality of supporting seats the same as the vehicle arms in number are arranged on the vehicle body. Limiting bumps are arranged on the supporting seats. Fixed locking parts and moving locking mechanisms are arranged at the hinging ends of the vehicle arms. According to the unmanned aerial vehicle, the limiting bumps are arranged on the supporting seats, and the fixed locking parts and the moving locking mechanisms are arranged at the hinging ends of the vehicle arms so that the unfolding locking function of the vehicle arms of the unmanned aerial vehicle can be achieved; and meanwhile, through driving mechanisms arranged on locking sliding blocks, locking of the sliding blocks can be relieved, and thus folding of the vehicle arms is achieved. The vehicle arms are attached and locked more firmly and more smoothly; the locking mode of the vehicle arms is simple and practical, the number of involved parts is relatively small, the occupied space is small, and the internal space of the unmanned aerial vehicle can be effectively saved; and assembly is convenient, the cost is low, and folding and unfolding operation is convenient and rapid.

The invention discloses a cargo transmission method for a vending machine platform. The cargo transmission method comprises the following steps: S1: on a starting position, loading cargos: on the starting position, causing the cargos to fall into a skip bucket to finish cargos loading; S2: transmitting the cargos to an unloading position: under the driving of a driving mechanism, causing a cargo loading mechanism to move forwards until the cargo loading mechanism moves to an unloading position, wherein the cargo loading mechanism comprises a skip bucket seat (204) and a skip bucket (200), andthe skip bucket seat and the skip bucket are hinged; S3: dumping the cargos out of the skip bucket on the unloading position: on the unloading position, causing the skip bucket to be inclined, and pouring out cargos in the skip bucket; S4: resetting: after unloading is finished, driving the cargo loading mechanism by the driving mechanism to backwards move to the starting position, and waiting fornext cargo loading. The cargo transmission method for the vending machine platform is easy in implementation, and cargoes can be transmitted and dumped.

The present invention relates to a beverage brewing device that facilitates the removal of a beverage pack, comprising a base; a first body; a second body; and a retaining structure for inserting a beverage pack between the first body and the second body The beverage bag is received and held after the interval; it is characterized in that: it also includes a scraping board, which is constrained in the machine base and can slide up and down, and the scraping board has an upper part extending backward to the rear end surface of the first part The position of the blocking part, the distance between the blocking part and the rear end surface of the first machine part for the annular edge of the beverage bag to be placed; the elastic structure acts on the scraping plate and keeps the scraping plate moving downward. The brewing equipment mainly realizes the removal of the beverage pack through the function of the scraper, which involves few parts and has a simple structure; during the removal process of the beverage pack, the downward movement of the scraper will push the annular edge downward, causing downward pressure on the beverage pack. The driving force, that is, the falling force of the beverage bag is not only generated by its own gravity, but also includes the elastic force of the elastic structure, which further ensures the smooth removal of the beverage bag.

The invention relates to a pressure release valve. The pressure release valve is characterized by comprising a valve casing with a channel, a valve seat with a channel, a valve core with a water outlet channel, a valve bush, a first spring, a valve rod for pushing the valve bush to move upward and downward, and a driving locking structure, wherein the side wall of the valve casing is provided with a water inlet; the valve seat is fixed on the lower part of the channel of the valve casing, and the side wall of the valve seat is provided with a connecting channel; the valve bush is positioned in the channel of the valve seat; the first spring is supported between the valve core and the valve bush, the peripheral wall of the upper end of the valve core is in sealing fit with the inner wall of the valve bush in a state of the downward movement of the valve bush, and a gap through which water flow passes is formed between the peripheral wall of the upper end of the valve core and the innerwall of the valve bush in a state of the upward movement of the valve bush; and the driving locking structure is used for driving the valve rod to move upward and downward and keeping the valve rod in a state of pushing the valve bush to move downward. The pressure release valve has a mechanical pressure release structure, the connection and disconnection of the water inlet and the water outlet channel can be controlled only by pushing the valve rod during operation, and the pressure release valve is easy and convenient to operate, has few related components and a simple integral structure, and is low in cost and convenient to assemble.

The invention relates to a buckling and tripping device for automatic transfer switching equipment. The buckling and tripping device comprises a base plate, wherein a buckling mechanism and a tripping mechanism. The buckling mechanism comprises a lever plate body and a buckling plate, wherein the lever plate body and the buckling plate are hinged to the base plate, the buckling plate is located at one end of the lever plate body, a roller capable of rolling on the buckling plate and being embedded into a buckling groove formed in the buckling plate is arranged in the lever plate body and the lever plate body rotates on the base plate to enable the roller to be embedded into the buckling groove so as to achieve switching-on control of an automatic transfer switch. The tripping mechanism comprises a connecting plate installed on the buckling plate and a tripping action mechanism, wherein the tripping action mechanism enables the roller to break away from the buckling groove in the buckling plate through the connecting plate so as to achieve switching-off control of the automatic transfer switch. The buckling and tripping device is simple and compact in structure and capable of achieving remote operation on the automatic transfer switch, improving the on-off performance of the automatic transfer switching equipment and ensuring the switching-on and switching-off reliability of the automatic transfer switch.

The invention provides a temperature adjusting fan capable of being folded to be packaged. The temperature adjusting fan comprises a water tank assembly and a shell assembly, wherein a water storage chamber is formed in the water tank assembly, the shell assembly is installed above the water tank assembly, the shell assembly comprises a plurality of side plate assemblies and a top plate assembly for defining an air flow chamber, at least part of the side plate assemblies are detachably installed between the top edges of the water tank assembly as a whole, and at least part of the side plate assemblies can be completely stored in the water storage chamber after being detached. The invention further provides a folding method of the temperature adjusting fan capable of being folded to be packaged. When the temperature adjusting fan is used, the appearance is the same as that of a normal unit; and during packaging, a rear plate assembly and the left and right side plate assemblies can be completely stored in the water tank assembly, a front face plate assembly does not need to be detached, rapid folding can be realized only through turning, the packaging size is small, a few parts arerelated, and logistics transportation is facilitated.

The invention relates to an electronic smoking device which comprises a shell. An axial through cavity is formed in the shell, a cigarette holder is arranged in the front of the shell, a storage portion for placing cut tobaccos is arranged in the middle of the shell, a heating device is arranged in a rear cavity, and a battery electrically connected with the heating device is arranged in the shell. The electronic smoking device is characterized by further comprising a pushing component, the pushing component comprises a driving device and a conveying part connected with the driving device in adriven manner, the driving device is electrically connected with the battery, and the conveying part is arranged in the cavity and pushes the cut tobaccos in the storage portion to the heating deviceunder the action of the driving device. The driving device drives the conveying part to convey the cut tobaccos, automation degree is high, the problems of nonuniform pushing amount and cumbersome operation of manual cut tobacco pushing are avoided, and use convenience of an electronic cigarette is improved.

The invention relates to a metal integrated skin structure of a rail-controlled engine. The metal integrated skin structure comprises an integrally-formed skin structure, a metal blocking sheet body and a constraint ring. A small nozzle opening gas channel is reserved in the skin, axial cutting is not needed on the whole, and the structure is integrally machined and formed. The outer edge of the metal blocking sheet is designed to be in a gear shape and fixed to a small nozzle gas channel opening through the constraint ring, and the inner profile and the outer profile of the constraint ring are attached to the metal blocking sheet and the skin correspondingly. The skin is assembled in place from one side, and the skin, the metal blocking sheet and a fixed ring are fixed in a mechanical contact manner. When the engine works, the metal blocking sheet is opened, the gear structure of the metal blocking sheet deforms and loses constraint force, the appearance is guaranteed through the mechanical size, and the opening pressure intensity is consistent. The metal integrated skin structure of the rail-controlled engine can meet the requirements of rail-controlled engines with different working pressure intensities.

The invention relates to a buckling and tripping device for automatic transfer switching equipment. The buckling and tripping device comprises a base plate, wherein a buckling mechanism and a tripping mechanism. The buckling mechanism comprises a lever plate body and a buckling plate, wherein the lever plate body and the buckling plate are hinged to the base plate, the buckling plate is located at one end of the lever plate body, a roller capable of rolling on the buckling plate and being embedded into a buckling groove formed in the buckling plate is arranged in the lever plate body and the lever plate body rotates on the base plate to enable the roller to be embedded into the buckling groove so as to achieve switching-on control of an automatic transfer switch. The tripping mechanism comprises a connecting plate installed on the buckling plate and a tripping action mechanism, wherein the tripping action mechanism enables the roller to break away from the buckling groove in the buckling plate through the connecting plate so as to achieve switching-off control of the automatic transfer switch. The buckling and tripping device is simple and compact in structure and capable of achieving remote operation on the automatic transfer switch, improving the on-off performance of the automatic transfer switching equipment and ensuring the switching-on and switching-off reliability of the automatic transfer switch.

The invention relates to an injection training device with a sound prompting function. The injection training device comprises an inner hollow shell, wherein an inner sleeve is arranged in the shell,and a boss extends in the radial direction ofan inner side wall of the shell; a piston pipe can be axially slidably inserted into the inner sleeve, a first end of the piston pipe impacts on the boss to generate a sound indicating the start of the injection; a first end part of a piston rod impacts on the boss to generate a sound indicating the completion of the injection, and a second end of the piston rod is detachably connected with the inner side wall of the inner sleeve through a locking structure; a linkage member is arranged on the piston rod, the linkage member is in interference fit with a small diameter section of the piston pipe, and the linkage member is in clearance fit with a large diameter section; a protective sleeve can be at least partially exposed to the port of the firstend of the shell, and an unlocking member capable of unlocking the locking structure is arranged on an inner wall of the protective sleeve; a first elastic member enablesthe piston rod to always maintain a trend of moving toward the first end of the shell; and a second elastic member enablesthe protective sleeve to always maintain a trend of partially exposing from the shell. The injection training device involves fewer components.

The invention relates to a pressure regulator of an electric air pump. The pressure regulator is characterized by comprising a base plate, a flexible sealing fin, a moving plate, a base with an inner cavity, an adjusting screw, a knob with an inner gear ring and a trigger switch, wherein the base plate is provided with a chamber with an open upper part; an air inlet nozzle is arranged on the sidewall of the base plate; the flexible sealing fin is arranged on the upper end face of the base plate and covers the opening at the upper end of the chamber; the moving plate is laid on the flexible sealing fin; the base with the inner cavity is fixed on the upper end face of the base plate; a threaded hole communicated with the inner cavity is arranged on the upper end face of the base; the adjusting screw is connected in the threaded hole; a spring is supported between the lower end of the adjusting screw and the moving plate; a pinion is fixed at the upper end of the adjusting screw; the knob with the inner gear ring is sleeved on an mounting column of the base and can rotate; the pinion is meshed with the inner gear ring of the knob; and the trigger switch is fixed on the base and a contact of the trigger switch extends into the inner cavity of the base. The regulator can drive the adjusting screw to rotate to drive the deformation of the spring by only rotating the knob and realize the adjustment at maximum pressure without extra adjusting tool.

The invention relates to a locking structure of a brewing head device in a coffee machine. The brewing head device includes a lower fixing part and a water outlet plate. After the water outlet plate and the lower fixing part are closed, a chamber capable of accommodating coffee pods can be formed. It is characterized in that : The water outlet plate is fixed on the lower part of the upper fixing part, the rear part of the upper fixing part is rotatably connected to the lower fixing part, and the two sides of the upper end surface of the upper fixing part are respectively provided with left and right sliders, and the left and right sliders can The upper fixing part slides left and right and exposes the side part of the upper fixing part. Correspondingly, the lower fixing part is provided with two left and right bayonets for the left and right sliders to snap into it, and the upper fixing part is also provided with Driven by a push button, the drive mechanism can drive the left and right sliders to slide left and right. The button drives the driving mechanism to move, pushes the left and right sliders to slide, and determines whether the sliders are snapped into the bayonet on the lower fixing part, so as to realize the locking or opening of the brewing head device. The locking structure involves fewer parts as a whole , simple structure, and simple and convenient operation.

The invention relates to a water distributing and collecting device which comprises a housing, a cylinder and a driving mechanism. The housing is provided with a hollow inner cavity; a first opening and at least two second openings formed at an interval are formed in the housing; the cylinder is positioned in the inner cavity of the housing and extends axially in the direction where the second openings are formed at the interval; the outer peripheral surface of the cylinder always keeps in contact with the wall surface, in which the second openings are formed, of the housing; a first through hole always keeping in communication with the first opening is formed in the end wall of the cylinder; at least two second through hole groups are formed in the axial direction at an interval on the outer peripheral wall of the cylinder; and the driving mechanism drives the cylinder to rotate in a stepping manner. The second through hole groups capable of controlling the open / close of the second openings of the housing and the open / close quantity of the second openings are arranged on the cylinder, and control valves for controlling the on-off state of waterflow do not need to be formed in thecorresponding second openings.

The invention relates to a gas distribution device and a gas water heater using the device, wherein the gas distribution device includes a housing, a rotating drum and a stepping drive mechanism, the housing is provided with a first air inlet and a nozzle, the rotating drum and the stepping The driving mechanism constitutes the blocking mechanism for blocking the nozzles. The rotating drum is located in the inner cavity of the housing and extends axially along the direction in which the nozzles are spaced apart. On the side wall of the rotating drum, there are at least two Each strip-shaped through-hole extends along the circumference of the drum and corresponds to a nozzle; the stepping drive mechanism drives the drum to rotate step by step, so that the strip-shaped through-holes rotate intermittently to the corresponding nozzle. In the present invention, a rotating drum is provided, and a strip-shaped through hole is opened on the rotating drum. Each nozzle corresponds to a strip-shaped through-hole. With the rotation of the rotating drum, different positions and different numbers of nozzles communicate with the strip-shaped through-hole correspondingly, so that Multiple nozzles can be opened at one time without opening one by one, and the gas flow adjustment method is convenient, quick and flexible.

The invention provides a transmission system for a grate cooler, aims at solving the problems that the transmission system for the grate cooler in the prior art has complex structure, trivial installation, more lubricating points, large maintenance difficulty and poor running reliability and comprising an eccentric shaft, an eccentric wheel, a bearing seat and a locking mechanism; the locking mechanism comprises a front inner side surface and a rear inner side surface which are opposite and form a containing space; the eccentric wheel can freely rotate after being arranged in the containing space; the minimum distance between the opposite front inner side surface and the rear inner side surface is slightly larger than the diameter of the eccentric wheel; the locking mechanism also comprises a fixed structure which is separated from the eccentric shaft and the eccentric wheel and is used for being fixedly connected with the moving cart and fixing the opposite position between the frontinner side surface and the rear inner side surface. The transmission system has simple structure, convenient installation, low maintenance frequency and high running reliability. The invention also provides a transmission structure applying the transmission system and the grate cooler simultaneously, which have same beneficial and technical effects.

The invention relates to an integral connection structure of a vehicle drive system, a brake system and a frame and a calipers support, which solves the problems that the existing connection structure is large in arrangement space, more in components and difficult in integral car arrangement. The invention adopts the technical scheme that the integral connection structure comprises a main reducer assembly and a brake assembly, which are arranged between a frame front crossbeam and a frame rear crossbeam, wherein the rear end of the main reducer assembly is fixedly connected with the frame rear crossbeam through a rear fixed support, the brake assembly is arranged inside a space which is formed among an upper guide groove, a lower guide groove and the frame front crossbeam, and the integral connection structure also comprises calipers supports, wherein two sides of the main reducer assembly are respectively provided with one calipers support, an annular ring end of each calipers support is sleeved on the main reducer assembly, and the brake end is connected with the frame front crossbeam. The connection structure has the advantages of excellent stress, good rigidness, small arrangement space, fewer components, small arrangement difficulty, convenience in disassembling of the entire car and convenience in disassembling and maintenance.

The invention discloses a vertical mill speed reducer. The vertical mill speed reducer comprises a box, hydrostatic bearings arranged in the box, and an output flange arranged on the upper portion of the box. At least two hydrostatic bearings are arranged in the box in the circumferential direction and are each provided with a hoisting ring used for being connected with a traction device. Fixed parts used for being connected with the traction devices are arranged in the middle of the box. The output flange is provided with through holes corresponding to the hydrostatic bearings, and the area of the through holes is larger than the section area of the hydrostatic bearings. The outer circumference of the box is provided with observation windows corresponding to the hydrostatic bearings in position. The hydrostatic bearings, the observation windows and the fixed parts are located on the same straight line. Through the vertical mill speed reducer, on-line maintenance performance of the hydrostatic bearings of the ultra-large vertical mill speed reducer is achieved, the condition that after a fault occurs to the hydrostatic bearings, the vertical mill speed reducer has to be pulled out of the lower portion of a mill so as to maintain and replace the hydrostatic bearings is avoided, thus a large amount of maintenance time is saved, a large amount of maintenance cost is reduced, and the security risk occurring when the speed reducer is pulled out is avoided completely.

The invention relates to an LED (Light Emitting Diode) lamp for a light string. The LED lamp for the light string comprises a shell and a circuit board. The shell is characterized by comprising a bottom cover, a fixed plate and a transparent hood. The transparent hood and the bottom cover are fixed together to form a base shell provided with an accommodating chamber. The fixed plate is arranged in the accommodating chamber of the base shell. A slot for a lead to pass through and embed is arranged on the bottom surface of the fixed plate. The bottom cover shields the opening at the bottom of the slot. The circuit board is arranged between the fixed plate and the transparent hood. A first conductive felting needle and a second conductive felting needle are arranged on the fixed plate in a penetrating way. The upper ends of the first felting needle and the second conductive felting needle exposes out of the top surface of the fixed plate and are respectively conducted with the cathode access point and the anode access point of a power supply in the circuit board. The lower ends of the first conductive felting needle and the second conductive felting needle are located in the slot for piercing a surface insulating layer of the lead embedded into the slot and being contacted with the lead. According to the LED lamp for the light string, fewer parts are involved, and the LED lamp for the light string is simple in structure and convenient to assemble.