51results about How to "Improves smoothness of rotation" patented technology

The invention discloses a steel pipe annular welding device with a welding seam detection function, and belongs to the technical field of steel pipe welding. The steel pipe annular welding device withthe welding seam detection function comprises an operation table and a pair of limiting mechanisms installed at the front end and the rear end of the upper side of the operation table, a pair of arc-shaped cavities corresponding to the limiting mechanisms in position are formed in the operation table, the top ends of the pair of arc-shaped cavities penetrate through the upper end of the operationtable, and driving gears are rotationally installed in the pair of arc-shaped cavities correspondingly. By arranging the pair of limiting mechanisms capable of automatically rotating, a steel pipe isarranged in the limiting mechanisms in a sleeved mode, and the steel pipe is fixed through the clamping mechanisms in the limiting mechanisms; the limited steel pipe can automatically rotate, and seam welding after spot welding can be easily completed without manual operation; and after welding is completed, quality detection is conducted on the inner side and the outer side of the welding position of the steel pipe through an inner and outer welding seam detection mechanism, inner and outer synchronous detection of the welding seam position is effectively achieved, the operation is easy andconvenient, and the flexibility is high.

The invention belongs to the technical field of mechanics test devices, and specifically relates to a high-energy accelerator CT rock mechanics test system. The high-energy accelerator CT rock mechanics test provided by the invention comprises a mechanics test machine, a high-energy accelerator CT ray source and a detector, the mechanics test machine is arranged between the high-energy acceleratorCT ray source and the detector, the mechanics test machine comprises a fixed component, a rotary apparatus and a pressure chamber, the rotary apparatus is arranged on the fixed component, the pressure chamber is connected with the rotary apparatus, and when a test is executed, the pressure chamber can rotate relative to the fixed component under driving of the rotary apparatus. The test machine is provided with the rotary apparatus, and when the test is executed, the pressure chamber is driven by the rotary apparatus to rotate, namely, a test sample can be scanned in a process in which a loadtest is executed for the test sample, consequently, CT imaging can completely reflect a structural state of the test sample when the test sample is loaded, and scientific researches are facilitated more.

The invention provides a stone machining robot. The robot comprises a large arm rotating shaft, a first RV speed reducer, a first servo motor, a large arm, a small arm rotating shaft, a second RV speed reducer, a small arm, a rotating motor and a lifting plate. The right end of the large arm is assembled on the annular side face of a large arm rotating shaft, the first RV speed reducer is connected to the upper end face of the large arm, the first servo motor is connected to the upper end face of the first RV speed reducer through a large arm connecting plate, the lower end of the small arm rotating shaft is assembled on the large arm, the right end of the small arm is assembled on the annular side face of the small arm rotating shaft, the small arm is arranged on the left side of the large arm, the second RV speed reducer is connected to the upper end face of the small arm, and the second RV speed reducer is mounted in the large arm. According to the design, flexibility of the robot is improved, the rotating motor is connected to the left end of the small arm, the lifting plate is connected with the rotating motor through a rotating shaft, and the lifting plate is connected to the left end of the small arm. According to the design, functionality is increased, and the robot is reasonable in structure, convenient to operate, good in flexibility, high in functionality and high in reliability.

The invention relates to an LCD light leakage detection mechanism. A lifting adjusting mechanism and a rotating disc mechanism are installed on a bottom plate. Carrier devices are installed on the rotating disc mechanism. A CCD supporting bottom plate of a CCD adjusting mechanism is connected with nuts on a left lead screw and a right lead screw of the lifting adjusting mechanism. The CCD supporting bottom plate of the CCD adjusting mechanism is fixedly connected with an upper seal box of a seal box mechanism through four reinforcement ribs, the CCD adjusting mechanism is used for adjusting the vertical height of a CCD, the seal box mechanism is used for guaranteeing that an LCD is always in a closed and light-proof environment, and the lifting adjusting mechanism is used for adjusting the vertical height of the CCD adjusting mechanism and the seal box mechanism. A taking and placing station and a detection station are arranged on a rotating disc of the rotating mechanism, the carrier devices are installed on both the stations respectively, the two stations can achieve continuous detection, and whether the LCD leaks light or not is detected through CCD photographing. The LCD light leakage detection mechanism is simple in structure, convenient to operate and capable of rapidly and accurately detecting whether the LCD leaks light or not.

The invention relates to a rotating disc mechanism. A cam indexer is installed underneath a base plate through two indexer lateral fixing plates and an indexer bottom fixing plate. A rotating disc is installed at the output end of the cam indexer through a rotary connecting block, and the rotating angle of the rotating disc is controlled through the cam indexer. Four guide casters are symmetrically installed at the bottom of the rotating disc and can slide on the base plate. Two carrier devices are symmetrically installed on the rotating disc. An electric conduction link fixing frame is installed in the center of the rotating disc, and an electric conduction link is installed on the electric conduction link fixing frame. An electric conduction link arresting device is installed on the base plate, the electric conduction link keeps in a static state through the electric conduction link arresting device to be prevented from being tangled by a wire, and the electric conduction link is used for supplying power to bases of the carrier devices. A solenoid valve is installed on the base plate through a solenoid valve fixing seat and used for controlling a lifting cylinder to ascend and descend. According to the rotating disc mechanism, the carrier devices can be driven to achieve indexing intermittent rotation to be delivered to standard operation positions.

The invention relates to the technical field of automatic welding, in particular to an automatic welding device for a capacitor leading-out soldering lug. The automatic welding device comprises a rack, an indexing mechanism, a circular workbench, a welding mechanism, a workpiece jig, an ejection mechanism, a first soldering lug and a controller, wherein the workpiece jig comprises a first lateralclamping assembly, a second lateral clamping assembly and a workpiece positioning assembly; the indexing mechanism is mounted on the rack; the circular workbench is arranged on the indexing mechanism;the welding mechanism is arranged at one side of the circular workbench; the workpiece jig is arranged at the upper end of the circular workbench; the first lateral clamping assembly and the second lateral clamping assembly are separately arranged on a pair of side walls of the workpiece jig, and the first lateral clamping assembly is positioned above the second lateral clamping assembly; the workpiece positioning assembly is mounted on the upper end surface of the workpiece jig; and the ejection mechanism is arranged on the rack and is positioned below a loading end of the circular workbench. According to the scheme adopted by the invention, the automatic welding device can perform stepless regulation, is wide in scope of application, is convenient in positioning, saves labor power, is accurate in positioning, and is good in welding effect.

The invention provides a spinning device for covering yarn, and belongs to the technical field of covering yarn. The spinning device comprises a yarn reversal mechanism, a drafting mechanism, a core-spun twisting mechanism and a winding yarn collectingmechanism; a collecting closing pipe of the yarn reversal mechanism is located below a core yarn guiding closing pipe and a covering yarn guiding assembly; the drafting mechanism comprises a back drafting assembly, a middle drafting assembly and a front drafting assembly, a first twisting gear and a second twisting gear of the core-spun twistingmechanism are meshed all the time, one end of a rocking bar is connected with a sliding driving motor, the other end of the rocking bar is hinged to one end of a connecting rod, the other end of the connecting rod is hinged to a rotating joint, a synchronous belt of a yarn collecting assembly of the winding yarn collecting mechanism surrounds a synchronous wheel and a driving wheel, and a drivinggear of the yarn collecting reciprocating guiding assembly is meshed with both a movable gear and a fixed gear. Spinning processing of covering yarn can be rapidly achieved, and the core-spun twistingstructure and the winding yarn collecting structure are reasonable in design.

The invention provides a gluing device, which belongs to the technical field of shoe processing. It includes a clamping mechanism and a gluing mechanism. The worm gear and the worm of the clamping mechanism are engaged with each other. The left and right slides are set on the right side of the fixed support, the left pressing plate is set on the upper end of the left lever, and the right pressing plate is set on the upper end of the right lever. The guide support of the gluing mechanism can slide up and down through the guide rod and the guide sleeve. The seat can be slid left and right and set on the guide groove, the rack is fixed and installed on the guide support horizontally, the gear and the rack are meshed with each other, the upper rubber roller can be rotatably set on the roller shaft lug, and the glue nozzle is installed on the nozzle support , one end of the glue pipe is connected to the glue outlet, and the other end is connected to the glue nozzle. The invention quickly realizes the gluing of the sole, not only has a reasonable structure and uniform gluing, but also has a high degree of automation and high gluing efficiency.

The invention provides numerical control drilling, tapping and milling integrated machining equipment with a central through hole for water outlet, and the equipment is simple in structure and convenient to operate and has a counterweight function. The equipment comprises a rack, wherein an operating table for placing workpieces is arranged on the rack, a water outlet main shaft is arranged on therack in a sliding manner in the Z direction, a main shaft motor for driving the main shaft to rotate is arranged on the rack, and a counterweight block is also arranged on the rack in a sliding manner in the Z direction; the counterweight block is in reverse linkage with the water outlet main shaft; the rack comprises a base and a transverse frame is arranged on the base in a sliding mode in theY direction; the operation table is arranged on the transverse frame in a sliding mode in the X direction; a first driving device used for driving the transverse frame to slide is arranged between thebase and the transverse frame; and a third driving device used for driving the operation table to slide is arranged between the transverse frame and the operation table.

The invention discloses a digital controlled small hole machine electrode rotating control device and an application method of the device and a digital controlled small hole machine provided with thedevice, wherein the electrode rotating control device comprises a stepping motor, a rotor, a rubber ring, a stator, a linear array scanning camera and a driving circuit, wherein the stepping motor drives an electrode tube through a rotating head, the rotor is provided with a central hole, the motor is provided with coded graphics; the rubber ring is arranged in the central hole, the electrode tubepenetrates into the rubber ring; the stator is matched with the rotor; the linear array scanning camera is fixed with the stator, matched with the coded graphics and used for detecting the rotating speed of the rotor; and the driving circuit supplies electricity for the stator, drives the rotor to rotate, and is respectively connected with a motor driver of the stepping motor and the linear arrayscanning camera. The digital controlled small hole machine electrode rotating control device and the application method of the device and the digital controlled small hole machine provided with the device can effectively improve the processing quality of small holes.

The invention provides a kinetic scroll plate driving component of a scroll compressor, the scroll compressor and an air conditioner comprising the scroll compressor. The kinetic scroll plate drivingcomponent comprises a kinetic scroll plate, a main shaft, driving motors and a sliding block; the scroll compressor comprises a shell, a static scroll plate, a support and the kinetic scroll plate driving component; the kinetic scroll plate is arranged on the support; an eccentric sliding chute is formed in a coordination part at the tail end of the main shaft; an insertion hole is formed in the sliding block; the coordination part is in running fit with the support through a first bearing; the sliding block is in sliding fit with the eccentric sliding chute; and a countershaft of the kineticscroll plate is inserted into the insertion hole and is rotatably in running fit with the sliding block. The length of the main shaft is effectively shortened by installing the eccentric sliding chuteso as to reduce deformation fundamentally; a supporting point of the main shaft and a scroll action point of the kinetic scroll plate are located at more adjacent axial positions, so that an eccentric load and flexural deflection of the main shaft are effectively reduced, and bearing wear is reduced; and the compressor has better mechanical property and is more reliable to use.

The invention discloses a stone crushing device. The stone crushing device comprises a rack, a supporting base, a runner wheel mechanism, a pressing wheel mechanism and a crushing channel, wherein thesupporting base is provided with an annular cavity; the runner wheel mechanism comprises an annular base which is rotatably connected to the inner wall of the annular cavity, a plurality of runner wheels which are distributed in the axial direction of the annular base and synchronously rotate with the annular base are connected to the inner peripheral wall of the annular base, and the runner wheels are distributed in a step shape from top to bottom; the pressing wheel mechanism comprises a rotary shaft which is rotatably connected to the center of the annular cavity, a plurality of pressing wheels which are distributed in the axial direction of the rotary shaft are connected to the rotary shaft, the outer peripheral wall of each pressing wheel is set into a conical surface with a small upper part and a large lower part, and the bottom diameter of the upper pressing wheel of the two adjacent pressing wheels is greater than the top diameter of the lower pressing wheel; and the crushingchannel is arranged between the inner walls of the runner wheels and the outer side walls of the pressing wheels and is arranged in a conical shape with a wide upper part and a narrow lower part. Whenthe stone crushing device is used for crushing stones, the stones can be extruded and the crushing efficiency is high.

The invention provides an LED guide rail lamp rotating structure comprising a track, a movement seat, a suspension rod, a rotating assembly, an installation adjustment assembly and a lamp body. The movement seat is assembled to the lower end of the track, the upper end of the suspension rod is connected with the movement seat through the rotating assembly, the installation adjustment assembly is installed at the lower end of the suspension rod, and the lamp body is assembled inside the installation adjustment assembly. The rotating assembly comprises a cavity, a rotary table, a first gear, a second gear, a box body, an installation barrel, a sponge sleeve, an arc chamber, an oil storage cavity, a first electric push rod, a push plate and a conveying pipe. The installation adjustment assembly comprises a fixing fixed station, a second electric push rod, a connection seat, a supporting seat, an arc plate, a cross-shaped sliding chute, a cross-shaped sliding block, a clamping ring, a lower connection ring, an upper connection ring, a fixing shaft and a connection frame. Compared with the prior art, the LED guide rail lamp rotating structure has the following beneficial effects that the purpose of improving the rotating steadiness is achieved, the purpose of adjusting the lamp body irradiation angle is also achieved, the lamp body is convenient to install, and installation stability is good.

The invention discloses a mold for small-diameter glass reinforced plastic pipeline internal curing production, belonging to the technical field of molds. The mold comprises a mold body, the mold bodyis internally provided with an inner cavity, the inner cavity is internally provided with a core pipe, the mold is characterized in that the front end of the mold body is connected with a buffering pipe, the pipe chamber of the buffering pipe is communicated with the pipe chamber of the core pipe, and the inner diameter of the buffering pipe is greater than that of the core pipe. According to themold, as the front end of the core pipe is connected with the buffering pipe with a relatively large inner diameter, one the one hand, curing steam enters the buffering pipe firstly, a relatively large inner chamber space of the buffering pipe is utilized for buffering and mixing again, the heat energy distribution is more uniform, the flow velocity of entering the core pipe is reduced, the control range of steam flow is broadened, and control is easy; on the other hand, the buffering pipe is not applied to practical production, the rigidity of the buffering pipe can be enhanced through the manners such as increasing wall thickness, and the phenomenon of generating a curve is avoided.

The invention relates to the technical field of surgical instrument cleaning accessory equipment, in particular to surgical instrument cleaning equipment. Surgical instrument rough cleaning is effortless and convenient, and therefore the surgical instrument cleaning equipment is convenient to use. The surgical instrument cleaning equipment comprises a working box and a blocking cover, and the upper portion of the left side of the working box and the lower portion of the right side of the working box are provided with a liquid inlet pipe and a liquid drainage pipe respectively in a sealing andcommunicating mode; the surgical instrument cleaning equipment further comprises a rotating handle, a connecting frame, a rotating column, an auxiliary moving column, a rotating disc and an auxiliarymoving disc, a first ball group is rotatably fixed to the inner side wall of a first through groove, the outer side of the rotating column is fixedly sleeved with two groups of limiting rings, rollingwheel groups are arranged on the inner sides of the two groups of limiting rings, and a first ball bearing is rotatably fixed to the interior of a first bearing pedestal; the surgical instrument cleaning equipment further comprises multiple groups of hanging columns and multiple groups of hanging rings, and second ball bearings are rotatably fixed to the interiors of multiple groups of second bearing pedestals; the surgical instrument cleaning equipment further comprises multiple groups of disassembling and assembling spring groups and multiple groups of fixing rings, and multiple groups ofconnecting pipes are connected to the bottom end of the auxiliary moving disc; and the surgical instrument cleaning equipment further comprises two groups of connecting rod groups and two groups of sliding block groups.

The invention provides a control panel for an automobile air conditioner, which is used for supporting external driving force to drive a plurality of air door shifting rods, and mainly comprises a main body and a connecting part, wherein the main body is provided with sliding chutes corresponding to the air door shifting rods one by one; the sliding chutes include two groups which are respectivelyarranged on two opposite sides of the main body; and the connecting part is arranged on the main body to form transmission connection between the main body and an external driving device. According to the control panel for the automobile air conditioner, the sliding chutes are formed into two groups which are respectively arranged at two opposite sides of the main body, so that the sliding chutesat two sides can be partially overlapped, the diameter and size of the control panel can be effectively reduced, and the rotating stability of the control panel can be improved, so that the rotatingeffect of an air door can be more effectively controlled; and in addition, the control panel for the automobile air conditioner is beneficial to controlling the processing deformation of the control panel, so that the processing precision is improved, the rotating precision of the air door can be further improved, and the control panel for the automobile air conditioner has a better use effect.

The invention discloses a shaft and hole matching structure capable of oppositely rotating, a wind sweeping mechanism and an air conditioner. The shaft and hole matching structure capable of oppositely rotating comprises a shaft, a hole and an elastic structure. The elastic structure is arranged on the shaft or the hole wall of the hole. The elastic structure can generate elastic deformation in the radial direction so that the shaft and the hole can be elastically matched through the elastic structure. By means of the shaft and hole matching structure capable of oppositely rotating, it can be avoided that displacement is generated in the direction perpendicular to the axis between the shaft and the hole, and therefore shaking abnormal noise is avoided, noise is reduced, and the rotation stability of the shaft is improved. In addition, because the shaft and the hole are elastically matched, the shaft and the hole can be well matched under the effect of elastic force even when the shaft or the hole bears the effect of external force.

The invention provides an automatic loading clamping mechanism for a shaft sleeve, and belongs to the technical field of mechanical processing. The automatic loading clamping mechanism comprises an automatic loading mechanism and an automatic clamping mechanism, wherein a drawbar of the automatic clamping mechanism can be rotatably arranged on a drawbar supporting base in a left-right sliding mode; a pressure plate is mounted on a pressure plate supporting section at the left end of the drawbar; an end cover is mounted at the left end of the drawbar through an end cover bolt, and the pressure plate is pressed; a threaded slot of the sleeve is in threaded connection with a threaded section at the right end of the drawbar; a second gear is coaxially arranged at the right end of the sleeve; a first gear is engaged with the second gear; an upper limiting pin is mounted at the left side of an upper supporting base; a lower limiting pin is mounted at the left side of a centering supporting base; the upper end of a supporting piston rod of the automatic loading mechanism is connected with a supporting top plate; a loading air cylinder supporting base of a loading air cylinder is fixedly arranged on a supporting base; and the right end of a loading piston rod is connected with a loading pushing plate. The automatic loading clamping mechanism realizes automatic loading and clamping for the shaft sleeve, is reasonable in structure, is high in degree of automation, and greatly improves the processing efficiency of the shaft sleeve.

The invention discloses a connected structure building with high anti-seismic performance, and relates to the technical field of buildings. Comprising a steel truss, a connecting device is arranged on the steel truss, the connecting device comprises a connecting claw, one end of the connecting claw is fixedly installed on the outer wall of the steel truss, the other end of the connecting claw is slidably installed on a connecting block, the connecting block is fixedly installed on the outer wall of a chassis, and a rotating ring is rotatably installed on the outer wall of the chassis; an L-shaped clamping piece is fixedly installed on the outer wall of the rotating ring, a first clamping groove matched with the L-shaped clamping piece is fixedly formed in the bottom of the connecting claw, and a clamping rod is installed on the rotating ring in a penetrating and sliding mode. According to the conjoined structure building with the high anti-seismic property, by arranging the connecting device, vibration is efficiently relieved by utilizing the force dispersion principle in the mounting operation of the steel truss, so that the anti-seismic property of the connecting part of the building body and the steel truss is higher, the conjoined structure building can cope with areas with frequent earthquakes, and construction and development of the conjoined structure building are promoted.

The invention discloses an adjustable muscle training mechanism for fitness exercise. The adjustable muscle training mechanism comprises a first stand column, support check rings, a first support sleeve, a second stand column, a second support sleeve, a connecting plate and a cross beam, wherein the first support sleeve is inserted into the top surface of the first stand column; the second supportsleeve is inserted into the top surface of the second stand column; the support check rings are welded on the outer wall surfaces of the first stand column and the second stand column; and the firstsupport sleeve and the second support sleeve are located on one sides of the tops of the support check rings. By means of a hand wheel, a driving gear can be driven to rotate through a second shaft rod, so that a reduction gear and a driven gear can be driven to rotate, a screw rod can stably jack up a top column, then the first support sleeve can be lifted, the height of the cross beam can be adjusted, and requirements of people with different heights can be conveniently met; and the functionality of the muscle training mechanism for fitness exercise can be improved through a first cross rod,a first lifting ring, a second lifting ring and a second transverse rod.

The invention discloses a self-lubricating bearing and a stone crushing device applying the self-lubricating bearing. The device comprises a first shaft sleeve and a second shaft sleeve which sleeve arotating shaft, wherein inner walls of the first shaft sleeve and the second shaft sleeve are in clearance fit with an outer side wall of the rotating shaft, outer sides of the first shaft sleeve andthe second shaft sleeve are sleeved with bases, inner walls of the bases are in sealed connection with the outer side walls of the first shaft sleeve and the second shaft sleeve, an annular cavity isformed between the first shaft sleeve and the second shaft sleeve, an oil storage block made of a flexible microporous material is arranged in the annular cavity, and the oil storage block is attached to an outer side wall of the rotating shaft and used for lubricating the outer side wall of the rotating shaft. The self-lubricating bearing has the advantages that the self-lubricating bearing canautomatically lubricate the rotating shaft, friction force of the rotating shaft is reduced, heat generated when the rotating shaft rotates at a high speed is reduced, the rotating shaft is preventedfrom being damaged, and the stone crushing device applying the self-lubricating bearing is high in crushing efficiency.

The invention belongs to the technical field of mechanics testing equipment, and particularly relates to a heavy-duty rotatable rock mechanics testing machine. The testing machine comprises a fixing member, a bearing rotating mechanism, a pressure chamber, and a loading rotating mechanism. The bearing rotating mechanism and the loading rotating mechanism are both disposed on the fixing member. Thepressure chamber is connected between the bearing rotating mechanism and the loading rotating mechanism. The bearing rotating mechanism, the pressure chamber, and the loading rotating mechanism can rotate synchronously during the test, and bear the supporting reaction force by the fixing member. Compared with the existing CT testing machine, the heavy-duty rotatable rock mechanics testing machinecan bear more supporting reaction force, can carry out loading test with larger load, and can carry out loading test on a larger size test sample, so that CT scan results can better reflect the heterogeneity, discontinuity, and post-peak characteristics of a real geological body. During the loading test, the CT scan of the test sample can be performed to obtain the structural state of the test sample in the loaded state, which is more conducive to scientific research.

The invention belongs to the technical field of mechanics test devices, and specifically relates to a high-energy accelerator CT rock mechanics test system. The high-energy accelerator CT rock mechanics test provided by the invention comprises a mechanics test machine, a high-energy accelerator CT ray source and a detector, the mechanics test machine is arranged between the high-energy acceleratorCT ray source and the detector, the mechanics test machine comprises a fixed component, a rotary apparatus and a pressure chamber, the rotary apparatus is arranged on the fixed component, the pressure chamber is connected with the rotary apparatus, and when a test is executed, the pressure chamber can rotate relative to the fixed component under driving of the rotary apparatus. The test machine is provided with the rotary apparatus, and when the test is executed, the pressure chamber is driven by the rotary apparatus to rotate, namely, a test sample can be scanned in a process in which a loadtest is executed for the test sample, consequently, CT imaging can completely reflect a structural state of the test sample when the test sample is loaded, and scientific researches are facilitated more.

The invention discloses a heavy truck drive axle structure assembly with high transmission efficiency, which is characterized by consisting of an input shaft assembly, a main cone shaft assembly, a differential shaft assembly, an axle housing assembly, a hub assembly, a driving cylindrical gear, a driven cylindrical gear, a driving bevel gear and a driven bevel gear, compared with a traditional structure, the whole drive axle assembly is started from reducing gear meshing power loss, bearing friction loss and rotating piece oil stirring loss, various item parameters such as gears, bearings, a differential mechanism assembly and gear oil of an internal transmission system are refined and improved, the transmission efficiency can be improved as much as possible, and the service life of the drive axle assembly is prolonged. And the driving efficiency of the automobile is better improved, so that the oil consumption is reduced, the emission is reduced, and the system adapts to the general background of energy conservation, emission reduction and ecological protection advocated by the country and is greatly welcomed by automobile manufacturers and users.

The invention provides a fuel engine capable of interfering in air intake amount and exhaust efficiency, and belongs to the technical field of automobiles. The fuel engine comprises an air inlet manifold hole and an air outlet manifold hole, wherein the air inlet manifold hole and the air outlet manifold hole are formed in a cylinder body; a rotor rotationally connected to the cylinder body is arranged at an opening of the top of the cylinder body; a gap is formed in the rotor and can communicate to the air inlet manifold hole and a combustion chamber or the air outlet manifold hole and the combustion chamber; a transmission gear is fixedly arranged on a rotating shaft; and a supercharging gear engaged with the transmission gear is connected to both an air inlet supercharging shaft and anexhaust supercharging shaft; the air inlet supercharging shaft is provided with an air inlet turbine capable of driving airflow in the air inlet manifold hole to flow towards the combustion chamber when the air inlet supercharging shaft is opposite to the rotation direction of the transmission gear; and the exhaust supercharging shaft is provided with an exhaust turbine capable of driving airflowin the exhaust manifold hole to flow away from the combustion chamber when the exhaust supercharging shaft is opposite to the rotation direction of the transmission gear. The fuel engine has the advantages of improving the air intake amount, the exhaust efficiency and the like.

The invention relates to independent wind-solar hybrid power generation equipment. The independent wind-solar hybrid power generation equipment comprises a mounting column and a plurality of wind power generation sets distributed at the upper end of the mounting column up and down, wherein a photovoltaic power generation set is arranged at the upper end of the wind power generation set at the topmost end; each wind power generation set comprises a wind guide frame and a generator arranged in the wind guide frame, and a plurality of vertical fan blades distributed in an equal circumference modeare arranged on the outer side of the generator; each wind guide frame comprises an annular wind inlet frame body and wind outlet plate bodies arranged at the upper end and the lower end of the windinlet frame body, and the wind inlet frame body and the wind outlet plate bodies are connected to form a frame structure allowing the generator and the vertical fan blades to be embedded; and wind drives the vertical fan blades to rotate through the wind inlet frame body, so that the generator can convert mechanical energy into electric energy for storage and flow out of the wind outlet plate bodies at the upper end and the lower end. The independent wind-solar hybrid power generation equipment has the following advantages that integrated installation of the plurality of wind power generationsets and the photovoltaic power generation set can be achieved under a condition that the occupied area is not changed, the maximum power generation efficiency at the minimum size is achieved, and theservice life and the air draft effect of the vertical fan blades are guaranteed.

The invention relates to a rotating seat for a shower room door. The rotating seat comprises a circular seat body, and an annular reinforcing boss is formed in the middle of the inner side wall of theseat body; and a positioning column is fixedly arranged at the upper end of the annular reinforcing boss, one end of the positioning column is fixedly connected with the annular reinforcing boss, andthe other end of the positioning column extends to the upper end of the seat body and is flush with the end part of the seat body. According to the rotating seat, when a door is installed, positioning holes are formed so that the dismounting and mounting efficiency can be improved, and the connecting structural strength can be improved, and the smoothness of the rotation between a door rotating shaft and the positioning holes can be ensured.

The invention provides an LED guide rail lamp rotating structure comprising a track, a movement seat, a suspension rod, a rotating assembly, an installation adjustment assembly and a lamp body. The movement seat is assembled to the lower end of the track, the upper end of the suspension rod is connected with the movement seat through the rotating assembly, the installation adjustment assembly is installed at the lower end of the suspension rod, and the lamp body is assembled inside the installation adjustment assembly. The rotating assembly comprises a cavity, a rotary table, a first gear, a second gear, a box body, an installation barrel, a sponge sleeve, an arc chamber, an oil storage cavity, a first electric push rod, a push plate and a conveying pipe. The installation adjustment assembly comprises a fixing fixed station, a second electric push rod, a connection seat, a supporting seat, an arc plate, a cross-shaped sliding chute, a cross-shaped sliding block, a clamping ring, a lower connection ring, an upper connection ring, a fixing shaft and a connection frame. Compared with the prior art, the LED guide rail lamp rotating structure has the following beneficial effects that the purpose of improving the rotating steadiness is achieved, the purpose of adjusting the lamp body irradiation angle is also achieved, the lamp body is convenient to install, and installation stability is good.