1711results about "Conduits/junctions" patented technology

The invention relates to a turbine tilting pad sliding bearing lubricating oil device and an oil temperature adjusting method. The lubricating oil device comprises an oil inlet pipe and an oil supply pipe. A mounting part is arranged at the oil outlet end of the oil inlet pipe and is provided with a rotating hole; the oil supply pipe is rotationally arranged on the rotating hole, and an oil spraying hole is formed in the outer side wall of the oil supply pipe; a rotating shifting block is arranged on the outer side wall of the oil supply pipe, a mounting groove is formed in the inner side wall of the rotating hole, an arc-shaped groove coaxial with the rotating hole is formed in the mounting groove, and the sliding end of the rotating shifting block is slidably arranged on the arc-shaped groove and divides the mounting groove into a supporting groove and a driving groove in the circumferential direction of the rotating hole; one end of the elastic piece is connected to the groove wall, away from the rotating shifting block, of the driving groove, and the other end of the elastic piece abuts against the rotating shifting block. The driving groove is filled with a driving body, and the driving body abuts against the rotating shifting block. The system can automatically adjust the temperature of the lubricating oil, has the characteristics of rapidness and high reliability, and can meet the requirement of rapid load change of a coal power unit under a novel power system.

The invention discloses an axial ring lower lubricating structure and an aero-engine with the axial ring lower lubricating structure. The axial ring lower lubricating structure comprises a switching oil distribution device, a connecting bearing arranged on the outer circle of the switching oil distribution device and a plurality of oil supply nozzles. The first end of the switching oil distribution device is provided with an oil distribution cavity, the spline section behind the first end of the switching oil distribution device is provided with an inner spline, and an inclined oil conveying channel set and an axial oil conveying channel set are further arranged in the spline section. The oil supply nozzles are used for spraying lubricating oil into the oil distribution cavities, and the oil distribution cavities are used for distributing the lubricating oil so that the lubricating oil can correspondingly enter the oblique oil conveying channel set and the axial oil conveying channel set under the rotating centrifugal effect, and the lubricating oil in the oblique oil conveying channel set can continue to enter the connecting bearing for lubrication under the rotating centrifugal effect. And lubricating oil in the axial oil conveying channel group continues to enter the inner spline for lubrication under the rotating centrifugal effect. According to the structure, the whole lubricating oil system is compact in flow path structure, high in reliability, high in lubricating efficiency and high in function integration degree, and the lubricating and cooling problems of high-DN-value bearings and splines of aero-engines are effectively solved.

The invention relates to the technical field of welding displacement, and discloses a welding positioner for H-shaped steel machining, which comprises two rail bases arranged in parallel, and a transposition clamping system in mirror image distribution is arranged above the rail bases; the transposition clamping system is composed of a main bearing rack arranged above the track base in a transmission mode, a flange face clamping mechanism and a web face clamping mechanism, and the flange face clamping mechanism and the web face clamping mechanism are assembled on the inner side and the outer side of the main bearing rack respectively. The flange face clamping mechanism is composed of a second lifting assembly and a second clamping assembly, and a rotary working disc for adjusting the angle of the flange face clamping mechanism is arranged on the side wall of the main bearing rack. A workpiece can be overturned by + / -90 degrees by rotating the working disc, and the flange face clamping mechanism and the web face clamping mechanism are matched for alternate pipe connection, so that the welding device can conduct barrier-free full-circumference welding.

The invention discloses composite sealing stirring equipment which comprises a shaft body, a first sealing assembly and a second sealing assembly, the first sealing assembly is arranged on the peripheral side of the shaft body in a surrounding mode, the first sealing assembly and the shaft body are suitable for contact sealing, the second sealing assembly comprises a rotating sealing sleeve and a liquid sealing box, and the rotating sealing sleeve is arranged on the shaft body; the rotating sealing sleeve is matched on the outer side of the first sealing assembly and the outer side of the shaft body to form an air outlet channel with an air outlet, the liquid sealing box is fixed to the rack and arranged on the outer side of the first sealing assembly in a surrounding mode, the liquid sealing box is suitable for being filled with liquid, and part of the rotating sealing sleeve is suitable for extending into the liquid in the liquid sealing box. The liquid sealing device has the advantages of being good in sealing effect, heat dissipation effect and lubricating effect, and the stability of equipment operation can be improved.

The invention relates to the technical field of cross shafts, and discloses an efficient lubricating needle bearing cross shaft which comprises a cross center part, a first oil injection assembly is arranged on the cross center part, a second oil injection assembly is arranged in the cross center part, and the first oil injection assembly comprises an oil injection nozzle. A first oil cavity is formed in the cross-shaped center part, and a first oil injection groove is formed in the cross-shaped center part. According to the efficient lubricating needle bearing cross shaft, a grease gun is used, an oil outlet of the grease gun is tightly pressed on an oil injection nozzle, it is ensured that lubricating oil enters a first oil cavity through the oil injection nozzle under the pressure effect, and a first sealing plate and a first spring move downwards to the position below a communicating hole channel under the pressure effect; and meanwhile, after the second oil cavity is filled with the lubricating oil, the first oil cavity is slowly filled with the lubricating oil, the lubricating oil flows out of the first oil injection groove, and primary oil injection can be achieved.

The invention discloses a driven mechanism for a wafer cleaning device and the wafer cleaning device, and the driven mechanism comprises a base which is hollow and forms a mounting cavity; the rotating shaft is rotatably connected to the mounting cavity through a rotating transmission assembly, and the first end of the rotating shaft extends out of the base; the wafer bearing unit is concentrically and coaxially connected to the rotating shaft and is used for bearing a wafer; the structural part is in sealed connection with the base, and part of the structural part extends into the mounting cavity and can abut against the rotary transmission assembly; the sensor assembly is partially connected with the rotating shaft and used for monitoring the number of turns of rotation of the rotating shaft relative to the base; the wafer rotates to drive the wafer bearing unit to rotate, and the rotating shaft rotates synchronously to drive the sensor assembly to rotate so as to monitor the number of revolutions of the wafer. The wafer rotates to drive the wafer bearing unit to rotate, the rotating shaft rotates synchronously and is matched with the sensor assembly to monitor the rotating speed of the wafer, the mass and torque of the rotating shaft are small, the rotational inertia of the rotating shaft and the wafer bearing unit is reduced, monitoring of the rotating speed of the wafer is more accurate, and the cleaning effect is better.

The wear-resistant sleeve assembly comprises a sleeve and a sleeve body, an extrusion assembly is arranged at the end of the sleeve, the extrusion assembly comprises an extrusion ring, the sleeve body can be inserted into the extrusion ring, a containing groove is formed in the inner wall of the extrusion ring, and a plurality of balls are arranged in the containing groove; a sleeve is arranged in the pipe body, a lubricating assembly is arranged in the sleeve and comprises an oil storage pipe, and when force for moving towards the sleeve is applied to the pipe body, the pipe body can squeeze lubricating oil in the oil storage pipe into the containing groove through a squeezing assembly. Lubricating oil in the oil storage pipe can be input into the area between the pipe body and the extrusion ring, so that friction between the pipe body and the sleeve is reduced, and the service life of the sleeve assembly is prolonged.

The invention relates to the technical field of train track obstacle clearance devices, in particular to an obstacle clearance device for a train track, which comprises two mounting parts and an oil storage mechanism mounted at the bottoms of the two mounting parts, and two groups of driving mechanisms are mounted at the bottom of the oil storage mechanism; wherein a grinding mechanism abutting against a pair of rails is installed in one driving mechanism, two sets of walking wheels roll on the two rails, a motor vehicle drives the walking wheels to roll on the rails, and at the moment, due to the fact that a connecting base is slidably connected to a sliding rod, and a rotating connecting rod between the connecting base and the walking wheels is eccentrically arranged, the motor vehicle drives the walking wheels to roll on the rails; and when the two walking wheels on the left side roll on the rail, eccentric rotation of the connecting rods is achieved, the connecting bases further move left and right on the sliding rods, finally, grinding assemblies at the bottoms of the two connecting shells on the left side grind the surface of the rail, stable running of train wheels is facilitated, friction force and shaking are reduced, and the service life of the rail is prolonged.

The invention relates to the related technical field of stackers, in particular to a roadway type stacker convenient for fork angle adjustment, which comprises a lower track, an upper track, a power track trolley, a guide upright post, a guide track trolley and a fork module, the lower track is fixed on the ground of a warehouse, the upper track is fixed on the top surface of the warehouse, and the upper track is fixed on the top surface of the warehouse; the upper track and the lower track are correspondingly arranged, and the power track trolley is installed on the lower track in a walking mode; the roadway type stacking machine is composed of a lower rail, an upper rail, a power rail trolley, a guide stand column, a guide rail trolley and a pallet fork module, and the pallet fork module is composed of a pallet fork main support, a first pallet fork and a second pallet fork. Accordingly, expansion adjustment is conducted on the two sides through the first pallet fork and the second pallet fork, the abutting effect on the side supports on the two sides of the cargo tray is achieved, and the stability of the cargo tray in the turnover process is guaranteed.

A lubricating grease filling device relates to the technical field of lubricating grease filling equipment and comprises a grease storage barrel and an oil filling gun, a pump body unit for sucking lubricating grease from the grease storage barrel and pumping the grease is arranged at the top of the grease storage barrel, the oil filling gun is communicated with the pump body unit through an oil conveying pipeline, an oil outlet of the oil filling gun is provided with an oil outlet pipe, and a smearing assembly is arranged at a port of the oil outlet pipe; the smearing assembly comprises a supporting circular plate, a grease storage groove communicating with the oil outlet pipe is formed in the supporting circular plate, a supporting pipe communicating with the grease storage groove is fixedly arranged at the end of the supporting circular plate, the outer wall of the supporting pipe is fixedly sleeved with a fixing cylinder, a first beating plate is arranged in the fixing cylinder, and a first sliding pipe fixedly penetrates through the end of the first beating plate; one end of the first sliding pipe penetrates through the supporting pipe and extends into the grease storage groove, the first sliding pipe is in sliding sealing connection with the supporting pipe, and a plurality of rotating pipes which synchronously rotate are arranged at the end of the supporting circular plate in the circumferential direction. The lubricating grease filling device solves the problem that an existing lubricating grease filling device is poor in smearing area adjustability. And the lubricating grease permeation effect is poor.

The invention relates to the technical field of air spring machining, in particular to air spring continuous automatic welding equipment which comprises a rack and a welding manipulator body installed on the rack, the rack is provided with a loading module used in cooperation with the welding manipulator body, and the loading module comprises clamping equipment used for fixing an air spring; the clamping device comprises a bottom plate fixed to the upper surface of the rack. According to the air spring continuous automatic welding equipment, the design that the two portal frames are matched with the lower baffle is adopted, when a workpiece is placed into the loading table, one portal frame is in an extending state under the action of the guide cylinder and the first guide wheel, and the lower baffle is just located below the workpiece to bear the workpiece and prevent the workpiece from falling off; in the overturning process, the movement of the two portal frames is controlled through the second guide groove, the first guide wheel and the connecting arm on the guide cylinder, so that the workpiece is stably supported by the lower baffle plate all the time in the overturning process, the position stability of the workpiece in each process is ensured, and the welding and cleaning quality is guaranteed.

The invention relates to the technical field of mold frames, in particular to a mold frame for producing and processing automobile electronic products, which comprises a bottom plate, a stack of square blocks arranged in parallel at the top end of the bottom plate, an ejector plate arranged between the opposite surfaces of the square blocks, a plate B, a plate A and a panel sequentially arranged at the end, far away from the bottom plate, of the ejector plate, and a plurality of ejector pins and ejector sleeves arranged at the end, far away from the bottom plate, of the ejector plate. At least one guide column is arranged at the end, close to the plate B, of the plate A, guide sleeves matched with the guide columns are arranged on the plate B, the guide sleeves are filled with high-damping lubricating grease, a sprue communicated with the upper portion and the lower portion is arranged in the middle of the panel, and a positioning ring is arranged at the top end of the sprue; through the buffer spring, the memory alloy damping layer and the self-lubricating ball structure of the guide pillar and the guide sleeve, impact absorption, thermal deformation compensation and low-friction guide are realized in the stages of mold closing, injection and ejection, and vibration is reduced, so that high-precision molding is ensured.

The invention relates to the technical field of aluminum pipe oil injection, and discloses a heat exchanger aluminum pipe pre-oil injection process and oil injection equipment. Oil injection connectors are evenly distributed on the top of a protection box, air blowing connectors fixed to the top of the protection box are arranged between every two adjacent oil injection connectors, and oil injection heads corresponding to the oil injection connectors are evenly distributed on the rear side wall of the protection box; blowing heads corresponding to the blowing connectors are evenly distributed on the rear side wall of the protection box, each set of oil injection connectors are connected with an oil injection tank through an oil injection pipe, each set of blowing connectors are connected with an air conveying pipe through an air blowing pipe, volatile oil carries lubricating oil to enter an aluminum pipe, only effective lubricating components are reserved after volatilization, a stable lubricating film is built before pipe expansion, and the lubricating effect is improved. The tooth-shaped change rate of the inner wall of the aluminum pipe is reduced from 31% to 11%, the risk that the expansion head adheres to aluminum is remarkably reduced, the tooth-shaped structure is protected, the traditional expansion pipe oiling procedure is omitted, and the machining efficiency is improved.

The invention discloses a non-contact mechanical sealing device for a rolling bearing, and relates to the technical field of non-contact sealing, the non-contact mechanical sealing device comprises a sealing end shell, a mounting flange, a connecting end shell and a rotating shaft, the sealing end shell is internally provided with a sealing mechanism for realizing sealing of a connecting structure of the sealing end shell and the rotating shaft; a lubricating mechanism for promoting liquid in the sealing end shell to flow back and forth is arranged on the side face of the sealing mechanism. An outer liquid sealing mechanism used for supplementing lubricating oil in the sealing end shell in real time is installed on the front side of the sealing end shell, and a liquid conveying port is formed in the outer surface of the outer liquid sealing mechanism. The sealing mechanism comprises an inner sealing ring, an annular sealing structure is additionally arranged at the joint of the side face of the sealing end shell and the rotating shaft through the side sealing ring groove and the side wedge ring, a multi-stage sealing defense line is formed by the annular sealing structure and a main sealing interface, and the overall sealing reliability between the inner wall of the sealing end shell and the rotating shaft in the axial direction and the radial direction is further improved.

The invention discloses a support adjusting device for photovoltaic power generation, and relates to the technical field of photovoltaic power generation, the support adjusting device for photovoltaic power generation comprises a base, an adjusting frame is rotatably mounted on the surface of the base, a hydraulic rod is fixedly mounted on the surface of the adjusting frame, and a solar power generation panel is slidably mounted on the inner wall of a guide rail. According to the support adjusting device for photovoltaic power generation, the connecting rod moves in the direction close to the first reciprocating lead screw until the connecting rod makes contact with and extrudes a limiting block to move, the limiting block moves to relieve limiting of wheels, at the moment, a worker transfers equipment to a proper area, convenience of the overall equipment is achieved, adaptability and flexibility of the equipment are improved, and working efficiency is improved. The limiting effect can avoid excessive rotation or unnecessary deviation of the wheels in the adjusting process, so that the stability and safety of the equipment are improved, it is ensured that the equipment can stay at a proper position, and accidental movement caused by the influence of wind power or external force is avoided.

The thrust bearing comprises an outer shell, a main oil chamber is arranged at the bottom of the outer shell, and an oil suction opening is formed in the upper portion of the main oil chamber; the thrust main shaft is rotationally installed in the outer shell, a thrust disc extending outwards in the radial direction is arranged on the thrust main shaft, and when the thrust disc rotates, lubricating oil in the main oil chamber can be guided to the outer wall of the circumference of the thrust disc through the oil suction opening and rotates along with the thrust disc; a first mounting cavity for mounting a radial bearing bush assembly is formed between the outer diameter of the thrust main shaft and the outer shell; a self-lubricating system and a forced lubricating system are combined, reliable lubrication of a thrust bearing bush and a radial bearing bush under different working conditions is achieved, the self-lubricating system utilizes rotation of a thrust disc to guide oil liquid to flow, a passive oil supply path driven by a structure is constructed, the self-lubricating system is suitable for power failure or low load scenes, and the service life of the thrust bearing bush and the radial bearing bush is prolonged. And on the basis of forced lubrication, a self-lubricating system is combined to further improve the lubricating effect.

The invention discloses a piezoelectric ceramic-based self-lubricating rolling composite structure guide pillar and guide sleeve device, which comprises a guide pillar assembly, a sliding sleeve assembly, a locking assembly and a guide sleeve main body, the guide pillar assembly comprises a guide pillar main body, the outer side of one end of the guide pillar main body is sleeved with a reset spring, and the end of the guide pillar main body is internally sleeved with an end cover; a bolt which is in threaded connection with the guide pillar main body is arranged in the end cover; the sliding sleeve assembly comprises a first C-shaped lubricating sleeve body, a limiting strip and a second C-shaped lubricating sleeve body which are sequentially arranged in the axial direction, one end of the first C-shaped lubricating sleeve body is connected with the reset spring in an attached mode, and the other end of the first C-shaped lubricating sleeve body is connected with the limiting strip in an attached mode. The inner side of the limiting strip is fixedly connected with the guide column main body, and the other side of the limiting strip is connected with the second C-shaped lubricating sleeve body in an attached mode. Three technical bottlenecks of lubrication failure, heat accumulation and maintenance difficulty of a traditional guide column and guide sleeve are systematically solved through cooperation of three technologies of rolling and sliding composite lubrication, modular locking and phase change active heat dissipation; and the reliability and the economical efficiency of the equipment are obviously improved.

The invention discloses a steer-by-wire actuator with a mechanical self-locking function, and relates to the technical field of steer-by-wire actuators, the steer-by-wire actuator comprises an actuator shell assembly, and a wheel steering mechanism capable of sliding left and right and a self-locking driving mechanism used for driving the wheel steering mechanism are arranged in the actuator shell assembly; a displacement detection mechanism is further arranged in the actuator shell assembly, a lower circulation mechanism is arranged on the back face of the actuator shell assembly, and an upper circulation mechanism is arranged on the left side and the top of the actuator shell assembly jointly. After waste lubricating oil in the actuator shell assembly is discharged, new lubricating oil can be used for conducting high-pressure washing on the inner wall of the actuator shell assembly, the washing area is increased in cooperation with rotation of the hollow shaft, and meanwhile residual lubricating oil is discharged under driving of the new lubricating oil; and therefore, the residual quantity of waste lubricating oil in the actuator shell assembly is effectively reduced, and the influence on the service life of new lubricating oil is reduced.

The present invention discloses an angle-adjustable solar street lamp, which relates to the technical field of solar street lamp equipment. The invention comprises a base and an adjustment device, wherein a hollow lamp holder is fixedly mounted on the top of the base, a lamp pole is rotatably mounted on the inner wall of the hollow lamp holder, a lamp body is fixedly mounted on the circumferential surface of the lamp holder, a support disk is fixedly mounted on the circumferential surface of the lamp holder, a solar panel is fixedly mounted on the top of the support disk, a support block is fixedly mounted on the surface of the hollow lamp holder, and a protective umbrella is slidably mounted on the surface of the hollow lamp holder. After the limit of the lamp holder is released, the lamp holder is manually rotated to rotate, and the rotation of the lamp holder drives the support disk and the lamp body to rotate. The rotation of the support disk drives the solar panel to rotate to adjust the angle of the solar panel. By arranging a U-shaped rod to prevent personnel from adjusting incorrectly, the solar panel can always be maintained at the optimal angle, ensuring maximum light energy absorption, improving battery charging efficiency and lighting time of the lamp body.

The present invention relates to the technical field of valves, and specifically relates to a three-way oil return assembly, which includes an oil inlet assembly and an oil outlet assembly. The oil inlet assembly and the oil outlet assembly are assembled and connected. The oil inlet assembly includes a reversing valve block, a fixed joint, and an oil return port joint. The fixed joint is sleeved at one end of the reversing valve block, and the oil return port joint is inserted into the oil return end of the reversing valve block. The oil outlet assembly includes a locking nut and a guiding valve body inserted into the locking nut. An oil outlet joint is inserted at one end of the guiding valve body. The beneficial effects are as follows: The three-way oil return assembly proposed by the present invention is connected to the oil outlet pipeline through the oil outlet joint. The oil inlet assembly and the oil return assembly are used in combination, and the switching of its oil outlet and oil return port can be quickly realized. The outlet check valve is arranged at the front end of the oil outlet joint and serves as a guiding component for the oil port switching of the oil inlet assembly. At the same time, the check valve structure can prevent the grease in the oil outlet pipeline from overflowing reversely.

The present invention provides a sealing unit for a hydraulic slip ring, which relates to the technical field of conductive slip rings and includes a rotor and a stator assembly. The stator assembly is used to enhance the sealing performance of the hydraulic slip ring. The lower protective shell is installed on the rotor, the upper protective shell is connected to the lower protective shell through the connecting piece, the inner ring protrusion is fixedly connected to the rotor, the inner ring protrusion is embedded in the groove of the lower protective shell, the outer periphery of the inner ring protrusion is plug-connected to the internal groove of the upper protective shell, the inner ring protrusion is provided on the rotor, and grooves matching the inner ring protrusion are machined in the lower protective shell and the upper protective shell, and the grease applied between the grooves reduces the wear of the stator assembly and the rotor, thereby increasing the service life of the unit. In addition, the O-ring made of rubber has strong plasticity and can achieve sealing of hydraulic slip rings in different working states.

The invention relates to the technical field of concrete crack measurement, and particularly discloses an automatic concrete crack width measuring instrument which comprises a supporting bottom plate and a plurality of moving wheels arranged at the bottom of the supporting bottom plate, and further comprises a measurer used for measuring and detecting a crack on a concrete wall surface; according to the device, multiple functions such as height adjustment, angle adjustment, rapid installation and lubrication are integrated in a compact structure, a worker only needs to push the device, the measurer can be moved according to the action of the moving wheels, and compared with a mode that the worker holds the measurer to measure a concrete wall surface, the device is more convenient to use, and the working efficiency is improved. Therefore, the working fatigue of a worker for measuring the concrete wall surface is correspondingly reduced, and meanwhile, under the condition that long-distance measurement is performed or a target point is not easy to aim, the problem of angular deviation or target point identification error caused by the shaking effect of the arm of the worker when the worker holds the measurer in a hand is avoided, and the working efficiency is improved. Therefore, the working efficiency of measuring the concrete wall surface by a worker is improved.

The utility model relates to the technical field of gear boxes, in particular to a gear box for an automatic feeder, which comprises a box body, a rotating block is movably arranged in the box body, and a nozzle is mounted at the bottom end of the rotating block; a lubricating assembly connected with the spray head is arranged on the box body; a driving mechanism is arranged in the box body and is in transmission fit with the sliding sleeve; a linkage mechanism is arranged in the box body and is in transmission fit with the rotating block; an oil storage box is arranged in the box body and is connected with the lubricating mechanism to form a circulating mechanism; a filter assembly is arranged in the oil storage box. In the process that the driving mechanism drives the rotating block to drive the nozzle to move, the rotating block drives the nozzle to rotate by a certain angle through the linkage mechanism to lubricate the gear mechanism, so that the gear mechanism is lubricated more uniformly, and the service life of the gear mechanism is further prolonged; oil drops on the gear mechanism drop into the oil storage box, and the filter screen filters lubricating oil in the oil storage box. Meanwhile, the first pull rod is pulled, and the first pull rod enables the filter screen to convey impurities in the oil storage box into the waste box to be cleaned.

The invention discloses an organic working medium turbine axial force supporting component which comprises a hydraulic thrust disc, thrust pads, oil sprayers, a thrust base ring and a clamping ring, the multiple thrust pads are evenly distributed in the circumferential direction and supported on the thrust base ring through protruding edges at the bottoms of the thrust pads, and the oil sprayers are fastened to the thrust base ring and located between the thrust pads. A plurality of middle oil injection holes for supplying lubricating oil to the middles of the pads are formed in the top of the oil injector in the radial direction, inclined planes are arranged on the two sides of the oil injector, outer inclined plane oil injection holes and inner inclined plane oil injection holes for supplying cooling oil are formed in the inclined planes, end discharge grooves are formed in the positions, close to the inner diameter, of the thrust pads, and oil blocking dams are formed between the end discharge grooves and the inner diameter of the thrust pads in the radial direction. And the end discharge chute is communicated with a cooling hole arranged in the thrust pad. The stirring loss of lubricating oil gathered between the inner diameter of the thrust pad and the rotating shaft is avoided, the high-temperature area of the thrust pad is cooled through low-temperature lubricating oil discharged along the inner diameter end of the thrust pad, and the bearing capacity of the axial force supporting component of the organic working medium turbine is improved.

The utility model relates to the technical field of solar photovoltaic panels, in particular to a photovoltaic solar module mounting structure which comprises a base and a supporting plate arranged on the base, one end of the supporting plate is rotatably connected to the base, an adjusting rod is arranged on the base, and the end of the adjusting rod abuts against the lower side of the supporting plate. The adjusting rod is arranged on the base in a sliding mode so that the adjusting rod can face or be away from the rotating end of the supporting plate. The photovoltaic panel angle adjusting device has the following effects that through horizontal movement of the adjusting rod, the end part of the adjusting rod can be driven to move together, and in the movement process, one side of the supporting plate can be lifted up or put down, so that the angle of the photovoltaic panel is adjusted, and the photovoltaic panel angle adjusting device is very convenient to use.

A splitting machine wedge block set with double lubrication comprises a middle wedge block, side wedge blocks and a wedge block installation base, the rear end of the wedge block installation base is connected with a guide cylinder, a lubrication cavity is formed in the rear end of the wedge block installation base, an oil sealing rubber block and a spring are arranged in the lubrication cavity, the lubrication cavity is sealed by a gland plate, and a lubricating grease filling port is formed in the side wall of the guide cylinder. Lubricating grease in the guide cylinder can lubricate the surface of the middle wedge block on the inner side of the guide cylinder, lubricating oil channels composed of main oil channels, oil inlet holes and oil outlet holes are formed in the inner sides of the two side wedge blocks respectively, and the main oil channels are formed by extending from the rear ends of the interiors of the side wedge blocks to the front ends of the interiors of the side wedge blocks. The oil inlet hole extends inwards from the outer wall surface of the rear end of the side wedge block to be communicated with the rear end of the main oil duct, the multiple oil outlet holes extend outwards from the inner side surface of the side wedge block to be communicated with the main oil duct, and the oil supply pipe can inject lubricating grease into the oil inlet hole. By adopting the structure, the inner side of the wedge block mounting seat, the middle wedge block and the side wedge blocks are always automatically lubricated by the lubricating grease, so that the service life of the wedge block group can be greatly prolonged.

The present invention relates to the field of pipeline repair, and specifically to an ultraviolet light in-situ curing pipeline repair device and process, wherein the ultraviolet light in-situ curing pipeline repair device includes an ultraviolet lamp and a support component; the support component includes a support sac and a flexible tube; the end of the flexible tube is connected to an external air pump, and a draw rope is tied to the flexible tube; the setting of the support component can effectively squeeze the soft and collapsed ultraviolet light curing hose to adhere to the inner wall of the pipeline, and at the same time, the support sac is supported and expanded by the gas pressure, and the expansion volume can be flexibly adjusted. While ensuring that the support sac effectively supports and squeezes the ultraviolet light curing hose, the air pressure in the support sac is adjusted to control the sliding resistance between the support sac and the inner surface of the ultraviolet light curing hose, which helps the support sac move in the ultraviolet light curing hose. Moreover, the adjustment of the support sac volume can also adapt to the support and squeezing of ultraviolet light curing hoses of different diameters.

The utility model provides a self-lubricating air cylinder, and belongs to the technical field of air cylinders. The self-lubricating air cylinder comprises a cylinder body, a rear end cover, a front end cover, a piston rod, a piston body, an oil storage ring groove, an oil injection hole, an oil injection base, an oil cup and an oil seal. The oil injection hole is formed in the outer wall of the cylinder body, the oil storage ring groove is formed in the outer wall of the piston body, and the oil injection hole is opposite to the oil storage ring groove, so that lubricating oil can enter the oil storage ring groove through the oil injection hole, and the oil storage ring groove can store the lubricating oil. Lubricating oil is injected into the oil storage annular groove, the oil seals are arranged on the two sides of the oil storage annular groove in a sleeving mode, so that the lubricating oil is sealed in the oil storage annular groove, compared with the mode that the inner wall of a cylinder body is coated with the lubricating oil, waste of the lubricating oil can be avoided, meanwhile, the contact part of the piston body and the cylinder body can be precisely lubricated through the lubricating oil, and the service life of the piston body is prolonged. Therefore, the lubricating effect is improved.

The embodiment of the utility model provides a motor shell, a motor and a vehicle. The motor shell comprises a body part, a pumping device, a filtering device and a cooling device. The body part is cylindrical and forms a containing space for containing the motor in an enclosing mode, and meanwhile the motor is supported and protected. The pumping device is located on the body part and used for providing power for fluid transportation. The filtering device is located on the body part and used for filtering impurities in the fluid, and therefore abrasion and damage of the impurities to parts are reduced. The cooling device is located on the body part and comprises a cooling medium, the cooling medium is used for exchanging heat with fluid, and the fluid enters the motor again to cool the motor after being cooled. Wherein the filtering device, the pumping device and the cooling device are sequentially distributed along the peripheral side of the body part, so that direct and efficient cooling of motor parts can be realized, and the heat dissipation effect of the motor is greatly improved. Meanwhile, the motor shell is only used for containing the motor and does not need to contain other equipment of the vehicle, and the shell space is saved.

The utility model discloses a high-explosion-proof electric hoist using an explosion-proof steel wire rope, and relates to the technical field of electric hoists. The steel wire rope cooling device comprises an electric hoist shell and a cooling mechanism, the cooling mechanism comprises an oil storage tank, a temperature sensor and an oil pipe are arranged, real-time monitoring and automatic lubrication of the temperature of a steel wire rope are achieved, the surface temperature of the steel wire rope rises to a preset threshold value due to long-time use, high-load operation or environmental factors, and the steel wire rope is cooled. The lubricating system can be automatically started to spray lubricating oil on the steel wire rope, so that the friction force between the steel wire rope and the winding roller and other parts can be effectively reduced, the load of the motor is obviously reduced, the energy consumption and abrasion of the motor are reduced, and the temperature rise caused by overhigh heat of the motor and long-time operation of the differential mechanism, the shell and the explosion-proof motor is avoided; the cooling system conveys cooling water to the outer surfaces of the components, faults or potential safety hazards caused by too high temperature are prevented, and the overall safety and reliability of the electric hoist are improved.