120results about How to "Improve structural rationality" patented technology

The invention provides a novel double-horizontal-shaft concrete mixer, belongs to the technical field of building industry equipment, and aims to provide the novel double-horizontal-shaft concrete mixer. A transmission device (1) is arranged at one side of a mixing drum assembly (3), a discharge door assembly (5) is arranged below the transmission device (1), an upper cover (7) is arranged above the mixing drum assembly (3), a mixing device (4) is arranged in the mixing drum assembly (3) and penetrates through one end of the mixing drum assembly (3) through two main shafts to be connected with a reduction gearbox arranged on the transmission device (1), the other end of the mixing device (4) is connected with a shaft end seal and a bearing (2) arranged on the outer side of the mixing drum assembly (3), and an oil cup arranged on the shaft end seal and the bearing (2) is connected with an oil supply device (6) and an electric appliance assembly (8). Mixing quality is good, energy consumption is low, efficiency is high, bottom-opening-type discharge is achieved, labor intensity of workers is reduced, quality of concrete engineering is improved, and working requirements of different occasions are met.

The invention relates to a nose structure and a mustard tuber harvester comprising the same and aims to effectively cut off mustard leaves, ensure effective separation, centrally discharge the mustard leaves and ensure running stability. The nose structure comprises a gear set mechanism, a threshing mechanism, a primary feeding mechanism and a transitional feeding mechanism. The gear set mechanism comprises a screw power gear and a tool power gear. The threshing mechanism comprises a tool hood, a screw shaft and a rotating tool shaft; the rotating tool shaft is provided with a plurality of threshing tools; the screw shaft is provided with a feeding thread; a recovery hood is arranged beside the tool hood and is communicated with the rear end of the tool hood; the primary feeding mechanism comprises a primary feeding belt and a shaving bottom plate. The transitional feeding mechanism comprises a transverse guide screw set and a feeding oblique cylinder. The nose structure and the mustard tuber harvester have the advantages that the mustard leaves can be cut off simply and can be centrally pushed and laterally discharged, following harvesting is unaffected, and the process of collecting the mustard tubers by means of the structures such as oblique screw for intermediate conveying is stable.

The invention relates to a lock assembled with an equilateral bidirectional locking spring. The lock comprises a lock core encloser, a lock core external body, a lock core internal body component, a locking spring component and a key. The lock core internal body component comprises an upper lock core, a lower lock core, a pedestal and a positioned central pole. The locking spring component comprises at least three first-direction locking spring components and second-direction locking spring units in equilateral arrangement. The first-direction locking spring component consists of at least three first-direction locking spring units in parallel arrangement. Each first-direction locking spring unit consists of an upper section locking spring, a lower section spring and a spring in assembly. The second-direction locking spring unit also consists of the upper section locking spring, the lower section spring and the spring in assembly. A key body is provided with a guidance convex body bar and semicircular grooves which are distributed in equilateral array. The center of the key is provided with a central pole guidance hole. Each semicircular groove is provided with a locking spring hole. The lower end of the positioned central pole penetrates through the lower lock core and the pedestal sequentially and is butted with a central through hole of the lock core encloser. The positioned central pole is adaptive to be introduced into the central guidance hole of the key.

The invention discloses a drinking water heating device with a separation water tank. The drinking water heating device comprises a seat body and a separation water tank of the seat body, wherein a water outlet nozzle, an instant heating pipeline heater, a balance water tank and a water pump are arranged on the seat body, a water inlet and a backflow opening are arranged on the balance water tank, and the water inlet is connected with the water pump. The drinking water heating device is characterized in that a pumping opening of the water pump is communicated with a pumping pipeline, and the other end of the pumping pipeline is inserted into the separation water tank through the upper part of the separation water tank. The drinking water heating device has the advantages that the defect that the adoption of a check valve is needed in the prior art because the pumping pipeline is inserted into the separation water tank from the bottom is overcome through inserting the water pumping pipeline from the upper part of the separation water tank, the adoption of the check valve is avoided, the cost is reduced, the defect of water leakage when the separation water tank is taken out for water addition can also be avoided, in addition, the whole structure is simple, and the use is convenient.

The invention relates to logistics vehicle weighing equipment which comprises a scale body and a scissor fork rod mechanism, side grooves are formed in the front side face and the rear side face of the scale body, electric cylinders are installed in the side grooves, a climbing slope is arranged on the left side of the scale body, a collecting cavity is formed in the climbing slope, and a push head mechanism is arranged on the collecting cavity. A rectangular storage groove and a bottom groove are formed in the bottom face of the scale body, a water bag is installed in the storage groove, thefront side of the water bag is connected with a water pipe, the water pipe extends into the bottom groove, and a water pump connected with a pipe opening of the water pipe is installed on the front end face of the weighbridge body so that when the water pump is powered on to work, an automobile can reach the front bottom of the weighbridge from a climbing face, sludge possibly existing at the bottom of the automobile is cleaned, and thus data obtained during automobile weighing are more accurate, the application mode is particularly suitable for more accurate weighing of the automobile in muddy weather by utilizing the weighbridge, a water spraying type structure is arranged on the climbing surface of the weighbridge, and the functionality is improved.

The invention relates to a lock assembled with a bidirectional locking spring in elliptical rotary arrangement. The lock comprises a lock core encloser, a lock core external body, a lock core internal body component, a locking spring component and a key. The lock core internal body component comprises a lock core, a pedestal and a positioned central pole. The locking spring component comprises at least three first-direction locking spring components and second-direction locking spring units in elliptical rotary arrangement. The first-direction locking spring component consists of at least two first-direction locking spring units in parallel arrangement. Each first-direction locking spring unit consists of an upper section locking spring, a lower section spring and a spring in assembly. The second-direction locking spring unit consists of the upper section locking spring, the lower section spring and the spring in assembly. A key body is an elliptical main body bar structure and is provided with a guidance convex body bar and at least three semicircular grooves at the surrounding wall. The center of the key is provided with a central pole guidance hole. Each semicircular groove is provided with a locking spring hole. The positioned central pole penetrates through the lock core and the pedestal and is butted with a central through hole of the lock core encloser. The positioned central pole is introduced into the central guidance hole of the key.

The invention discloses a power supply centralized monitoring system which comprises a plurality of power supply monitoring modules and a plurality of paths of CAN / RS485 buses, wherein each power supply monitoring module is used for monitoring corresponding power supply data or information; each power supply monitoring module is connected to the corresponding CAN / RS485 bus; each CAN / RS485 bus is connected to a control cabinet; the CAN / RS485 buses are used for transmitting the power supply data or information monitored by the power supply monitoring modules to the control cabinet; the control cabinet parses the received power supply data or information, displays the power supply data or information on a touch screen of the control cabinet and simultaneously, uploads the power supply data or information to a local user information transmission module; and by the local user information transmission module, the power supply data or information is transmitted to a cloud end. The invention further discloses a monitoring method of the power supply centralized monitoring system.

The invention discloses a special-shaped bearing and a special-shaped bearing structure. The special-shaped bearing comprises a fan blade, the bottom of the fan blade is fixedly connected with a motorshell, the outer wall of the motor shell is fixedly connected with a magnet, the interior of the fan blade is fixedly connected with a shaft core, the outer wall of the shaft core is movably connected with the special-shaped bearing, the interior of the special-shaped bearing is provided with an oil storage groove, and the top of the special-shaped bearing is fixedly connected with a buckle ring;and the top of the buckle ring is fixedly connected with a positioning ring, the bottom of the special-shaped bearing is fixedly connected with a wear plate, the bottom of the wear plate is fixedly connected with a copper middle tube, one side of the copper middle tube is fixedly connected with a shooting stator, the bottom of the shooting stator is fixedly connected with a PCB board, the bottomof the PCB board is fixedly connected with a base, and the top of the base is fixedly connected with an upper cover. According to the special-shaped bearing and the special-shaped bearing structure, the oil storage inside the bearing is increased, the lubrication time is improved, the contact area between the bearing and the shaft core is reduced, the friction is reduced, the service life of the fan is prolonged, and the sound quality of a fan is improved.

The invention provides a membrane wing folding system which comprises two inner cross beams fixedly arranged at the top of a machine body, the two ends of each inner cross beam are connected with outer cross beams through electric folding mechanisms, wing membranes are arranged between the two inner cross beams and between the two outer cross beams, and each electric folding mechanism comprises a rotating motor, a push-pull screw, a power spiral sleeve and a rotating connecting rod. The rotating motor is connected with and drives the spiral sleeve to rotate, the spiral sleeve is arranged on the push-pull screw in a sleeving mode and is in threaded connection with the push-pull screw, the push-pull screw is arranged in the inner cross beam in a sliding mode, one end of the rotating connecting rod is rotationally connected with the end of the push-pull screw, the other end of the rotating connecting rod is rotationally connected with the outer cross beam, and the outer cross beam is rotationally connected with the inner cross beam. Before taking off and landing, the wing membrane is folded and put away, namely the effect of reducing the resistance of the wing to the dual-mode aircraft in the vertical direction when the dual-mode aircraft ascends and descends can be achieved, and then the purpose of ensuring that the dual-mode aircraft applying the membrane wing folding system has high operation stability when the dual-mode aircraft ascends and descends vertically is achieved.

The invention provides an intelligent bulk material conveying system and application thereof. The system comprises a high-speed camera arranged at the feeding end of a feeding conveying belt conveyor, an intelligent detection control system in communication connection with the high-speed camera, a material distributing machine connected with the head of the feeding conveying belt conveyor and highly erected and multiple material bins arranged below the material distributing machine. The material distributing machine comprises a main frame, a main conveying belt conveyor arranged on the main frame and a material distributing trolley arranged above the main conveying belt conveyor. The material distributing trolley comprises a main rack, a roller mechanism, a protective cover mechanism, a transverse material distributing mechanism and walking mechanisms, and the walking mechanisms are arranged on material distributing rails, located on the two sides of the main conveying belt conveyor, of the main frame. The high-speed camera shoots photos of bulk materials needing to be conveyed, the intelligent detection control system automatically detects the photos shot by the high-speed camera and classifies the photos, and the intelligent detection control system controls the walking mechanisms and the transverse material distributing mechanism of the material distributing trolley to feed the bulk materials into the material bins corresponding to the classified materials according to the classification result.

The invention relates to a flattening and coating integrated machine for concrete pavements. The flattening and coating integrated machine comprises a flattening plate, a chain wheel mechanism and a beating mechanism, wherein a mounting base is arranged on the top face of the flattening plate; a water tank which is in water-supplied connection with an external pressure water source is fixed to thetop face of the mounting base; a stirring shaft is mounted on the inner side of the mounting base through a sealing bearing; welding rods are welded to the two sides of the water tank; rotatable coating mechanisms are arranged on the welding rods, and a handspike mechanism is arranged on the mounting base; the handspike mechanism comprises a guiding pipe which is welded to the handspike and a compressed rod which does a stretching action in the guiding pipe; when the stirring shaft in the water tank works, the stirring shaft is linked with a beating bar mechanism so that a protective industrial film which covers the pavement through the coating mechanism is compacted, so that the film is attached with the pavement, and the functionality is improved; because the beating bar mechanism is linked with the stirring rod of the water tank, a functional structure is more reasonable, and beating actions do not refer to circuits and motors, so that the aims that water sprinkling, coating and compaction of the coated film are performed are fulfilled, and the structure is ingenious in design.

The invention provides an auxiliary clamping plate fixing and releasing device for circular comber cylinder frameworks. The circular comber cylinder frameworks are fixed in a middle support of a rack through a rotating shaft, a ring of circular comber cylinder framework grooves are formed in the inner wall of each circular comber cylinder framework, and a clamping and releasing device is arranged in each circular comber cylinder framework groove; a clamping plate releasing drum and a clamping plate taking drum are arranged over and above the circular comber cylinder frameworks respectively, the two sides of the clamping plate releasing drum and the two sides of the clamping plate taking drum are each provided with a crossed geneva wheel, and in the motion process, the two ends of each cotton clamping plate are clamped in clamping grooves formed in the corresponding crossed geneva wheels; the outer sides of the crossed geneva wheels of the clamping plate releasing drum and the clamping plate taking drum are provided with corresponding cams respectively, a drive gear is arranged on the outer side of the rotating shaft of the circular comber cylinder frameworks, a driven gear is arranged on the outer side of the clamping plate releasing drum, a transmission chain is installed outside transmission teeth of the drive gear and the driven gear in a sleeving mode, and the gear pair is driven by a geneva mechanism to do intermittent motion. According to the device, by improving cam paths of an original design structure, the overall structure is more reasonable, and the precision is higher.

The invention discloses a radar sensor used for a motor vehicle and convenient to disassemble, assemble and replace, relates to the technical field of radar sensors of motor vehicles, and solves the problem that the radar sensor is damaged when the radar sensor is installed at a vehicle head and is in impact contact with an external obstacle. The sensor comprise a sensor main body, two lugs are welded at the periphery of the sensor main body; bottom surfaces of the two lugs are downwards connected with a bottom plate through mounting seats; the bottom plate is also provided with a mounting plate through two columnar upright posts on the bottom surfaces; an outer wall of the sensor main body is provided with a circle of annular support plate close to a top side, a sliding support plate is formed between the bottom mounting plate of the sensor main body and the mounting seat; a set of large-diameter spring attached to a bottom surface of the sensor is installed, and the large-diameter spring elastically supports the bottom of a vehicle-mounted radar sensor installed on the vehicle head, so that when the sensor is installed on the vehicle head for use, if a vehicle body impacts an obstacle forwards, the sensor main body can be pressed inwards and contracted, and the self-protection is achieved.

The invention relates to a cement surface trowelling device for partition construction. The device comprises a bottom plate, a hand pipe, a limiting plate, a trowelling mechanism, an air seat mechanism, and a lifting mechanism; two large guide columns and a motor are arranged on the bottom plate; the top ends of the two large guide columns are connected through a top plate; a bearing seat is further installed on the bottom face of the top plate; a screw rod is arranged on an action shaft of the motor; the motor not only drives the screw rod to enable the trowelling mechanism to lift, but also is provided with the lifting mechanism between an action shaft of the motor and the air seat mechanism arranged at the front side of a lifting frame; and when the motor is electrified to work, the air seat mechanism is promoted to be compressed upwards by the air seat mechanism, so that air in an inner cavity of the air seat mechanism is discharged outwards. The discharged gas can be applied to cleaning the trowelling mechanism, so that a mud layer left on the rear surface of the trowelling mechanism during cement scraping is cleaned downwards. In order to improve the structural rationality of the trowelling mechanism, a scraper element discharges mud to the two sides when receiving and taking the mud falling off from a wall surface, and in actual use, supporting hoppers can be additionally arranged at the two sides to perfectly receive and take the mud.

The invention provides modular ocean observation buoy equipment provided with an automatic propelling mechanism. The modular ocean observation buoy equipment comprises a bottom plate and a propeller,wherein a top cavity with a square cavity structure is formed in the top surface of the bottom plate; a rectangular inner floating body penetrates through the middle position of the top cavity from bottom to inside; two conical-head-shaped side floating bodies located on the two sides of the inner floating body are arranged on the bottom surface of the bottom plate; a left clamping seat and a right clamping seat which can be buckled and connected in groups are arranged on the left side and the right side of the top cavity; the propeller thruster is located on the rear side of the top cavity ina perpendicular mode. The left clamping base and the right clamping base are both of a shell cavity structure light in weight. A propeller which can also be adjusted left and right is mounted at therear part; therefore, when the two floating bodies of the same structure are used in a butt joint mode, synchronous pushing of the two butt joint floating body assemblies can be achieved by adjustingthe propeller on the first floating body to reach the middle position, the propeller does not need to be additionally arranged on the other floating body in butt joint with the first floating body, and cost is saved.

The invention relates to a synchronous adjusting mechanism for furniture. The synchronous adjusting mechanism includes a furniture door body, a sliding device, and a guide sliding rail, wherein the sliding device is slidably arranged on the guide sliding rail and is rotatably or asway connected with the furniture door body; the furniture door body is rotatably or asway provided with at least two hinge devices; the furniture door body is movably opened and closed on the guide sliding rail through matching of the sliding device and the hinge devices; a synchronous rod is arranged between the atleast two hinge devices, and the hinge devices rotate or swing synchronously on the furniture door body through the synchronous rod; and an adjusting part is arranged on the synchronous rod and / or between the synchronous rod and the hinge devices, and the synchronous rod moves on the hinge devices through adjustment of the adjusting part to adjust the relative position between the synchronous rodand the at least two hinged devices. Through the improved synchronous adjusting mechanism, the synchronous adjusting mechanism has the characteristics of being simple and reasonable in structure, reliable in performance, long in service life, quick and convenient in disassembly and assembly process, smooth and steady, unhindered and labor-saving in opening and closing process, low in manufacturingcost, easy to produce, easy to realize, safe and reliable and the like, and the practicability is high.

The invention discloses a intelligent park management system based on the Internet of Things, and belongs to the technical field of park management, and the intelligent park management system based on the Internet of Things comprises an Internet of Things cloud platform server, a park management background, a manager APP and an Internet of Things marking gun. The Internet of Things cloud platform server comprises a remote database, a satellite communication and transmission module, a computer cluster and an AI management system, the AI management system is constructed by a deep convolutional network, and the AI management system operates based on the computer cluster. The internet-of-things marking gun comprises a gun body, a wireless communication module, an FRID read-write module, a fingerprint recognition module, a touch display screen, an internet-of-things card issuing unit and an internet-of-things card, intelligent management of the park can be realized, and the phenomena of long logistics turnover period and low turnover efficiency caused by asymmetry of storage information of the park are effectively reduced.

The invention provides an intelligent security monitoring device. The intelligent security monitoring device comprises a transformer and a PT temperature sensor, the cover body is of an arc-shaped shell structure, a left cooling fan and a right cooling fan are embedded in the front end face and the rear end face of the cover body respectively, and an installation base of a shell base structure isarranged at the rear end of the cover body. A wiring harness tube penetrates between the mounting base and the cover body, and the part, located on the cover body, of the wiring harness tube is electrically connected with a lamp holder used for mounting a camera shooting lamp cap; a microcontroller and a transformer are mounted in a shell cavity of the mounting base; after the temperature is reduced to the programmed temperature of the controller, the fan stops radiating; and in order to further improve the structural rationality of air blowing heat dissipation, an arc-shaped plate with a reasonable structure is arranged in the cover to form air collecting airflow and improve the heat dissipation, and a cooling fin structure is arranged on the outer wall of the cover body to further accelerate the heat dissipation, so that the structure is more reasonable while the functionality is improved.

The invention provides a decorative wall panel for interior design. The decorative wall panel for the interior design comprises a wall panel body and lining panels; the wall panel body is of a hollowcavity panel structure and is designed in a penetrating mode from left to right; the two pieces of lining panels are arranged left and right, inserted into a hollow cavity of the wall panel body in adamping mode and are distributed left and right; the length of the two pieces of lining panels after butt joint is equal to the length of the wall panel body, and square-seat-shaped locking and pressing seats are fixed to the side ends of the top surfaces of the two pieces of lining panels in a gluing mode; and round deep-hole-shaped storage holes are formed in the top positions of the left end and the right end of the wall panel body, and the two storage holes are on the same horizontal axis. The requirements of installation of some decorative objects on two sides of a TV are met, hanging grooves are used for hanging the other decorative panels, and hooks at tops can further be used for hanging the hanging-shaped decorative objects; and after the two lining plates are pulled out, a relatively large space is left in a middle panel, and the relatively large space just corresponds to heat emission holes, so the structural design is more reasonable.

The invention provides a mobile air conditioner, comprising a middle water pan and a chassis structure. The chassis structure comprises a water absorption zone, a water tank zone, a water fetching zone, a water level control zone, and also comprises a water retaining rib for isolating the water absorption zone from the water tank zone, and a convergence portion, arranged between the water fetchingzone and the water tank zone and being close to a convergence port of the water fetching zone. A water fetching wheel is disposed on the convergence portion. Cooperation of the middle water pan and the chassis can improve the water fetching efficiency of the water fetching wheel, and a water guiding path of the water fetching zone is reasonably planned.

The invention provides a flow guide cover structure of a wind power environment-friendly power generation device. The structure comprises an air collection cover and an inner end base, a function cover is arranged on the top face of a base, on the inner side of the function cover, a cover body is vertically arranged on the top face of the base, an inner cavity of the cover body and the central position of the base are in hole forming through connection, multiple flow guide grooves are formed in the streamline form surface of the cover body, and are evenly distributed nearby a blade connectionhole, a ring of function flutes are evenly distributed on the outer wall of the bottom side of the cover body, multiple integral vertical ribs are arranged on the inner cavity of the cover body, a deep groove and an original blade mounting hole are in flow line walking connection, part of blown-in wind enters a mounting blade along with a deep groove, the higher wind amount is provided for the blade, a wind collection function cover of a lotus-like structure is arranged, the blade has the wind collection and rushing functions, and the structural rationality is improved.

A novel modular pure electric cargo van chassis comprises the following components of a chassis frame, a front traveling assembly, a rear traveling assembly, a battery component and a control drivingcomponent. The chassis frame comprises two straight beams which are parallelly arranged, front cross beams which are sequentially arranged from front to back, one or more middle cross beams and two rear cross beams. The two rear cross beams and the straight beams form a driving cavity, and the middle cross beams form a cavity together with the front cross beams and the rear cross beams. The fronttraveling assembly comprises independent suspension symmetrically arranged on the two sides of the front cross beams, front driving shafts arranged on the independent suspension in a penetrating mode,front wheels arranged at the two ends of the front driving shafts, and steering components connected with the independent suspension. The rear traveling assembly comprises plate spring suspension symmetrically arranged on the two sides of the driving cavity, and a rear driving component fixedly connected to the plate spring suspension. The battery component is detachably arranged in the cavity. The control driving component comprises a power distribution component, a control component and a motor assembly which are arranged in the driving cavity and sequentially connected. The novel modular pure electric cargo van chassis has the advantages of being simple in structure, high in strength, good in safety and stability and high in comfort.

The invention discloses the technical field of die design of permanent magnetic ferrite magnetic shoe grinding allowance, in particular to a die design method for controlling permanent magnetic ferrite magnetic shoe grinding allowance. The die design method for controlling the grinding allowance of the permanent magnetic ferrite magnetic shoe comprises the following steps: step 1, defining the design requirements of the permanent magnetic ferrite magnetic shoe, and knowing the material and design requirements of the permanent magnetic ferrite magnetic shoe and the use occasion, assembly and appearance requirements of the permanent magnetic ferrite magnetic shoe with high requirements on complex shape and precision through a pattern; 2, estimating a shrinkage constant of a filling part arranged around the edge of the permanent magnetic ferrite magnetic shoe during cooling, and expanding the distance from the inner wall of the outer sealing cavity to the central axis of the die cavity according to the shrinkage constant; and 3, constructing a three-dimensional model according to the given permanent magnetic ferrite magnetic shoe pattern and the technical requirements of the permanentmagnetic ferrite magnetic shoe pattern. According to the method, the structural rationality of the die design of the permanent magnetic ferrite magnetic shoe grinding allowance is improved, the product precision is improved, and the comprehensive effect of reducing the production cost is achieved.

The invention provides a device for measuring back vertex power of a lens. The device comprises a light source, a target reticle, a collimator objective and a telescope. An afocal target is generated by means of the collimator objective through the target reticle illuminated by the light source, the to-be-tested lens is arranged between the collimator objective and the telescope, an image space reticle is adjusted so that a clear image of the target reticle is obtained in the telescope, and the back vertex power phi is obtained in a calculating mode through a formula. According to the method, what is measured is the back vertex power in principle, approximation does not exist, the target is arranged to be afocal in the method that the collimator objective is additionally arranged, an instrument measurement device is shortened, integration can be achieved, and accordingly an instrument occupies little space, daily maintenance, detection and calibration are facilitated. Due to the fact that the focal length of the telescope is long enough, the measurement accuracy is greatly improved. The vertex power and the moving distance of the image space reticle are in a linear relationship, and accordingly the moving distance is shorter when the same measurement accuracy of the measurement device needs to be reached. The length measurement can be achieved through a mechanical rule, and cost of the instrument is reduced.

The invention discloses an automobile and a gear shifter thereof. The gear shifter comprises a base, a neck bush and a gear shifting rotation assembly. The base is provided with a cylinder groove, a gear selecting arm via hole and a gear shifting arm via hole. The neck bush is inlaid into the cylinder groove and detachably connected with the base through a connection piece. The side wall of the neck bush is attached to the groove wall of the cylinder groove. The upper end of the neck bush is tightly pressed in the cylinder groove. The neck bush is provided with a ball-shaped hole, a gear selecting arm avoiding hole and a gear shifting arm avoiding hole. A ball head of the gear shifting rotation assembly is rotationally installed in the ball-shaped hole. In this way, the base and the neck bush are of a split type structure and connected detachably through the connection piece so that the base and the neck bush can be assembled after being machined separately, and the mold-making cost of the base is reduced.

The invention relates to a slurry lifting machine for building construction, relates to the technical field of slurry lifting machines, and solves the problems that when an existing slurry lifting machine lifts concrete materials and throws the concrete materials into a reinforcement cage, manual operation is needed, so that high labor intensity is caused, and potential safety hazards exist. The slurry lifting machine for building construction comprises a moving seat, a hopper mechanism, a guide seat mechanism and a material beating mechanism, wherein a lifting frame is installed on the top surface of the moving seat; an electric hoist and a lifting seat are arranged on the lifting frame; a supporting frame is welded to the front end of the lifting seat; a first lifting rope connected between the electric hoist and the lifting seat is arranged on a top pulley in a transition mode; and when the electric hoist is powered on to work, the concrete materials are subjected to tamping treatment later through the material beating mechanism. Through the arrangement for the device, people do not need to climb to a higher position to tamp concrete, so that the working efficiency is increased,the labor force is saved, the operation process is safer and more reliable, a material beating hopper generates a vibration effect, and soil adhered to the bottom surface of the material beating hopper due to beating for the concrete is vibrated downwards through the vibration effect, so that the functionality is improved.

The invention discloses a double-row angular contact ball bearing. The double-row angular contact ball bearing comprises an inner ring and an outer ring which are concentric; two parallel inner channels are formed in the outer side of the inner ring in a sunken mode; outer channels which are opposite to the inner channels are formed in the inner side of the outer ring in a sunken mode; steel ball attached to the outer channels and the inner channels to rotate are arranged between the inner ring and the outer ring; and the steel balls of the same ring are fixed through an annular cage. The double-row angular contact ball bearing has the advantages that by means of a sealing ring with an exquisite structure, the reasonability of the structure can be enhanced, and materials can be saved; and by means of machining equipment such as a grinding wheel and a guide wheel, the surface roughness of the inner channels and the surface roughness of the outer channels can be guaranteed to reach the standard, and meanwhile, the damage to the structural strength of the bearing can also be avoided.

The invention provides grinding equipment for gear tooth outer circle face burr polishing machining after gear shaping machining. The grinding equipment comprises a circular plug seat, an inner end cover, second abrasive cloth seat assemblies, a first connecting section, a hinge shaft, a second connecting section, a supporting spring, a supporting plate and a spring seat; and a movable tailstock is mounted on the rear side of the top face of a base in a screw and sliding groove matched mode, and a motor is located at the top of the movable tailstock. Through a bilateral polishing mode, the polishing speed is increased, the polishing precision is improved, bilateral first abrasive cloth seat assemblies are each of an elastic movable structure and thus make contact with the outer circle of agear in a telescopic mode in the deburring process, the situations of tooth breaking and seat crushing can be prevented, and two polishing seats can be subjected to left-right spacing adjustment; andthe grinding equipment can further be suitable for polishing gear teeth, with various gear diameter dimensions, at the outer circle of the gear, and is reasonable in structure, flexible and good in practicability.

The invention relates to an automobile combination switch having a fog lamp self-locking function. The automobile combination switch is characterized by comprising a stop pushing post, a pressure spring, a slide block, a slide block pressure spring and a pushing rod arranged in a light rotation block, wherein a fixing seat is internally provided with a stop locus groove in matching with the slide block, the slide block is arranged in the stop locus groove, two ends of the slide block pressure spring respectively press against the slide block and the fixing seat, a fog lamp turn button is internally provided with a disposing groove in matching with the stop pushing post, the pressure spring is arranged in the disposing groove, the other end of the pressure spring presses against the stop pushing post, two ends of the stop pushing post respectively press against the slide block and the pressure spring, two ends of the slide block respectively press against the pushing rod and the stop pushing post, one end of the slide block which contacts the pushing rod is provided with a stop step, and the stop pushing post is telescopic in the stop locus groove. The automobile combination switch can effectively solve problems that a back fog lamp function of a fog lamp in the prior art can not realize large-small lamp control and the fog lamp in the prior art can not realize the self-locking function, the automobile combination switch has properties of reasonable structure and reliable function and can be widely applied to the automobile combination switch field having the fog lamp self-locking function.