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 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 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 internal solidification production of small-diameter FRP pipelines, which belongs to the field of mold technology, and includes a mold body, an inner cavity is provided in the mold body, and a core tube is arranged in the inner cavity, and the feature is that the front end of the mold body is connected The buffer tube, the lumen of the buffer tube communicates with the lumen of the core tube, and the inner diameter of the buffer tube is larger than the inner diameter of the core tube. Because the front end of the core tube is connected to a buffer tube with a larger inner diameter, on the one hand, the solidified steam enters the buffer tube first, and uses the larger inner cavity space of the buffer tube to buffer and mix again, so that the heat energy distribution is more uniform, and at the same time reduces The flow rate entering the core tube widens the steam flow control range and facilitates manipulation; on the other hand, the buffer tube is not used in actual production, and its rigidity can be enhanced by increasing the wall thickness to avoid bending.

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 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 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 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.