53results about How to "Reduce the possibility of shaking" patented technology

The invention relates to an oil filling mechanism for elevator sliding guide shoes. According to the technical scheme, the oil filling mechanism is arranged on an elevator, wherein the elevator comprises a lift car, a plurality of guide shoes arranged on the outer wall of the lift car and a guide rail in sliding connection with the guide shoes; the plurality of guide shoes comprise flexible partsin sliding connection with the guide rail and fixing parts fixed to the sides, deviating from the guide rail, of the flexible parts and fixed to the lift car; the flexible parts are in a U shape withopenings facing the guide rail; and a plurality of oil outlets are uniformly distributed in the contact faces, making contact with the guide rail, of the flexible parts. The oil filling mechanism comprises a connecting channel arranged in the flexible parts and communicating with the plurality of oil outlets, an oil outlet pipe arranged at the ends, deviating from the flexible parts, of the fixingparts and communicating with an inlet of the connecting channel, and an oil supply assembly for supplying oil to the oil outlet pipe, and the oil supply assembly is arranged on the lift car. The oilfilling mechanism has the beneficial effect that oil filling can be conveniently conducted on the guide shoes in the elevator running process.

The invention provides lawn trimming equipment for garden landscape design. The lawn trimming equipment for garden landscape design comprises a motor fixedly installed on a vehicle body, the output end of the motor is fixedly connected with a driving rod, a cutting knife is fixedly installed at the end, extending out of the vehicle body, of the driving rod, and a protective cover matched with thecutting knife is fixedly installed on the vehicle body; two handles are fixedly installed on the vehicle body, the two handles are both fixedly sleeved with anti-skid sleeves, a plurality of installation bases are installed on the vehicle body, each installation base is rotatably connected with wheels, and a plurality of lifting grooves are formed in the vehicle body. The lawn trimming equipment has the advantages that the height of the vehicle body relative to the ground can be adjusted according to requirements, so that the reserved height after lawn trimming is controlled, the application range is relatively wide, shape design of the whole lawn is facilitated, the possibility and amplitude of shaking when the lawn trimming equipment moves on uneven grassland can be reduced, the flatnessof the trimmed lawn is kept consistent, and the overall attractive degree of the lawn is ensured.

The invention relates to an efficient type motor forklift, and belongs to the technical field of forklifts. The efficient type motor forklift comprises a forklift body, wherein a fixing frame is arranged at the front end of the forklift body, a plurality of vertical plates are vertically arranged on the side, away from the forklift body, of the fixing frame, every two adjacent vertical plates are detachably and fixedly connected, a first lifting assembly is arranged between the middle vertical plate and the fixing frame, the first lifting assembly drives the vertical plates to move in the vertical direction, a plurality of groups of cargo inserting assemblies are arranged on the vertical plates in the vertical direction, second lifting assemblies are arranged between all the groups of cargo inserting assemblies and the vertical plates, and the second lifting assemblies drive all the groups of cargo inserting assemblies to move up and down along the surfaces of the vertical plates. According to the efficient motor forklift, the effects of simultaneously transferring a plurality of pallets and improving the working efficiency can be achieved.

The invention discloses an auxiliary teaching aid for college English, and relates to a teaching aid. The auxiliary teaching aid includs a display board and a support frame, adopts a blackboard and adisplay screen to teach English, increases English teaching approaches , and plays films on related English subjects through the display screen, thereby arousing the learning enthusiasm of college students, and enhancing the classroom atmosphere, and obviously improving the interest of students in English; the blackboard adopts flexible marking mechanism to standardize the basic standards for students to write English, and improve the neatness and accuracy of college English writing, so that the blackboard or display screen can be raised to the appropriate height before using, the appropriateheight can be improved for teachers to use, and the screen can be watched by students in the back row, and the teaching quality can be improved. The auxiliary teaching aid is easy to move, improves the convenience for the teacher's teaching process, the limiting mechanism can reinforce the firmness of the blackboard placement, the blackboard is less likely to shake during writing, and the windingmechanism can wind up dragging line of the screen, so that the possibility of damage is reduced.

The invention relates to a waterproof coating brushing method for building waterproof construction. A waterproof coating brushing device for low-building waterproof construction is used, and the waterproof coating brushing device for building waterproof construction comprises a mounting bottom plate, universal wheels, a brushing mechanism and a lifting mechanism. The problems that in the waterproof coating brushing process for building waterproof construction, it is difficult to adapt to height changes of walls in different rooms, it is difficult to collect splashed and fallen waterproof coating when wall surfaces are brushed, it is difficult to keep the brushing strength of all areas uniform and consistent, it is difficult to achieve automatic feeding operation of the waterproof coating, and the stacked waterproof coating is more difficult to be continuously stirred in the brushing operation process so as to reduce deposition and condensation of the waterproof coating are solved.

The invention relates to a cast-in-situ bored pile structure and a construction method thereof. The cast-in-situ bored pile structure comprises a steel casing, a supporting ring and two supporting rods. A fixing ring is fixed to the top of the steel casing, and a connecting assembly is arranged between the supporting ring and the fixing ring. Driving mechanisms are arranged at the two sides of thesteel casing respectively. A preparation method of the cast-in-situ bored pile structure comprises the steps that the ground is cleaned, and the position where a cast-in-situ bored pile needs to be formed is tamped; drilling is carried out, and the steel casing is embedded, wherein the peripheral side of the steel casing is sleeved with the supporting ring before the steel casing is embedded; guide rails are laid at the two sides of the steel casing correspondingly, a lead screw is rotated so that the supporting ring ascends to make contact with the fixing ring, and the supporting ring and the fixing ring are fixedly connected through the connecting assembly; and a reinforcement cage is installed in the steel casing, concrete is poured after installation is completed, and the steel casingis taken out after the concrete is condensed. By means of the cast-in-situ bored pile structure and the method, the influence of concrete pouring on the overall shape of the cast-in-place pile can bereduced.

The invention discloses a full-automatic steel pipe cleaning machine with stain removal and rust removal functions, and belongs to cleaning machines. The full-automatic steel pipe cleaning machine with the stain removal and rust removal functions comprises a sliding rail supporting base. According to the invention, the height of an inner wall cleaning pipeline can be adjusted, and when a pipe with a large pipe diameter is encountered, by adjusting the height of the inner wall cleaning pipeline, the circle center of the inner wall cleaning pipeline is consistent with the circle center of the pipe, so that inner wall cleaning can be conducted on the pipes with different pipe diameters; a connecting plate and a water shielding cover form a whole through a connecting frame, and the water shielding cover synchronously ascends or descends while the connecting plate ascends or descends, so that the circle center of the water shielding cover is aligned with the circle center of the pipe, and the outer walls of pipes with different pipe diameters can be cleaned; and in the process of cleaning the inner walls of the pipes, wastewater is collected through a wastewater collecting box, high-pressure flushing is conducted on the outer walls of the pipes through the wastewater, and then flushing is conducted again through low-pressure clear water, so that water resources are greatly saved while the cleaning effect on the pipes is improved.

The invention discloses a decompression structure applied to conveyance of a natural gas pipeline. The decompression structure comprises a shell and a piston, wherein the piston is a cylinder with one closed end, and the external circumferential wall of the closed end of the piston expands outwards to be in contact with the inner wall of the shell; a first spring is arranged between the inner wall of the shell and the closed end of the piston; a decompression hole is formed in the shell; two blind holes are formed in the inner wall of the shell, a second spring is arranged in each blind hole, one end of a corresponding movable block is connected with the corresponding second spring, and the other end of the movable block is connected with a corresponding sealing plate; grooves are formed in the inner side walls of the sealing plates, and balls matched with the grooves are arranged on protrusions. According to the decompression structure applied to the conveyance of the natural gas pipeline, reciprocating movement of the piston is achieved by deformation and deformation recovery of the first spring and the second spring, so that sealing and opening of the sealing plates to the decompression hole are achieved; torsion springs are selected to meet non-directional applied stress generated due to the fact that the first spring and the second spring continuously impact the piston in order to adapt to air with unstable flow rate, thereby ensuring service lives of the first spring and the second spring.

The invention discloses a terminal transfer box applied to the field of distribution network automation in the technical field of distribution network automation, and the terminal transfer box comprises a mounting box, the terminal transfer box is fixedly arranged in the mounting box, a protective door is hinged to the front wall of the mounting box through two hinges, and a door closing rod is arranged at the top of the mounting box. The door closing rod is located on the side close to the rotating center of the protective door, the initial position of the bottom face of the door closing rod is located above the top of the protective door, and the door closing rod is slidably connected with a first rotating shaft and a second rotating shaft in the vertical direction. The protective door can be automatically fixed when encountering strong wind in the maintenance process, and workers can better carry out maintenance work.

The invention provides concrete strength detection equipment which comprises a detection equipment main body, an ultrasonic wave receiver protection cover, an ultrasonic generator protection cover andan intelligent treatment system, wherein rubber handles are fixedly mounted at both ends of the detection equipment main body; concave grooves are formed in both ends of the rubber handles; fixing rods are fixedly mounted in the concave grooves; annular soft pads are fixedly mounted at bottoms of both the ultrasonic wave receiver protection cover and the ultrasonic generator protection cover; circular grooves are formed in centers of the bottoms of the ultrasonic wave receiver protection cover and the ultrasonic generator protection cover; LED (Light Emitting Diode) detection lamps are fixedly mounted on inner side walls far away from opening ends, of the circular grooves; mounting holes are formed in centers of inner side walls far away from the opening ends, of the circular grooves. Theconcrete strength detection equipment is reasonable in design and convenient to use, and the concrete strength detection precision can be effectively improved.

The invention relates to an automatic feeding device for an intelligent screen printing machine, and relates to the technical field of feeding of screen printing machines. According to the main scheme, the automatic feeding device comprises a screen printing plate, a driving assembly and a storage rack, wherein the screen printing plate is used for being rotationally connected to the screen printing machine, the driving assembly is used for being arranged on the screen printing machine and driving the screen printing plate to move, and the storage rack is used for being fixedly arranged outside the screen printing machine; and a feeding mechanism for feeding paperboards to the screen printing plate is arranged on the storage rack, and a positioning assembly used for positioning the paperboards is arranged on the screen printing plate. The automatic feeding device has the effects that the time consumed in the paperboard printing process is saved, and the printing efficiency of the paperboards is improved.

The invention relates to an invisible drainage casement window, which comprises a window frame, a louvre blade, glass, a drainage hole, a drainage groove and an air-lock strip, wherein an installationgroove is formed in one side of the louvre blade, the glass is inserted into the installation groove, a first sealing ring is installed on one side of the installation groove, a baffle is inserted into the installation groove, the baffle can abut on one side of the glass, and a second sealing ring is installed on one side of the baffle; the invisible drainage casement window further comprises aninstallation device, an annular cavity is formed in the baffle, the annular cavity comprises a first horizontal groove, a second horizontal groove and two vertical grooves, the installation device comprises a screw, a left thread and a right thread are respectively arranged on the side walls at the two ends of the screw, the left thread and the right thread are in threaded connection with connecting blocks respectively, the two connecting blocks are respectively and slidingly connected with the two vertical grooves, the sides, away from each other, of the two connecting blocks are fixedly connected with a plurality of first inserting blocks, a plurality of first slots are formed in the two sides of the installation groove, the first inserting blocks are inserted into the first slots, and drive assemblies are installed in the first horizontal groove.

The invention discloses a tail door lock body cover structure, and relates to the technical field of automobile accessories. A tail door lock body cover and a metal ring are arranged; the tail door lock body cover is positioned on a tail door lock assembly in a covering manner; the tail door lock body cover is positioned and arranged on a tail door sheet metal through a screw penetrating through the side edge; and the metal ring is positioned in an installation perforation on the tail door lock body cover in an embedded manner so as to realize circumferential reinforcement of the installationperforation. According to the structure, the tail door lock body cover is of an outer cover structure, so that the tail door lock assembly is prevented from being completely exposed in the field of view, and the subjective car use experience of a user is greatly improved; the tail door lock body cover is connected with the tail door sheet metal through a screw, so that the possibility of shaking of the tail door lock assembly is reduced, and the tail door lock assembly is more firm in installation; and meanwhile, the metal ring is arranged on the inner side of the installation perforation of the cover, so that the installation perforation formed by plastic materials is reinforced, the situation that the installation perforation is broken is greatly reduced, and thus the torque sag during screw installation is avoided.

The invention discloses a steel truss girder bridge girder transporting flatcar, which comprises a flatcar body, wherein bases are fixedly connected to the left side and the right side of the top faceof the flatcar body. The invention relates to the technical field of bridge engineering. According to the steel truss girder bridge girder transporting flatcar, an adjusting mechanism is matched witha fastening mechanism to lock a structural connecting piece and the flatcar body, the fixing stability of the structural connecting piece and the flatcar body is greatly improved, the driving gravitycenter of the vehicle is prevented from being influenced by shaking and impacting the vehicle due to external factors, the safety in the transportation process is effectively improved, the shaking possibility and the shaking degree of the structural connecting piece on the flatcar body are greatly reduced, the hidden injury caused by multi-directional pulling force and self shearing force when the structural connecting piece shakes is effectively avoided, the service life of the bridge is greatly prolonged, and the use safety of the bridge is greatly improved. Meanwhile, the adjusting mechanism can form a frame structure between a cab and the structural connecting piece, the forward-moving structural connecting piece can be blocked and buffered during emergency braking, and the safety ofa driver is effectively improved.

The invention discloses a steel column connection perpendicularity adjuster, and particularly relates to the technical field of steel structures, which comprises two groups of adjusting devices and two groups of fixing devices, the fixing device comprises two abutting rods and a connecting assembly used for connecting the two abutting rods, the two abutting rods are used for abutting the two opposite side walls of the steel column, and the two ends of one abutting rod are connected with the two ends of the other abutting rod through the connecting assembly. The adjusting device comprises at least one adjusting rod and a locking assembly used for fixing the adjusting rod, the two ends of the adjusting rod are connected with the abutting rods in an inserted mode respectively, and at least one through hole allowing the adjusting rod to be connected in an inserted mode is formed in each abutting rod. According to the steel column connection perpendicularity adjuster, through cooperation of the abutting rod and the adjusting rod, the perpendicularity adjusting procedure is simplified conveniently, the construction time is shortened, and then the influence on the construction period is reduced.

The invention relates to the field of oil pumps, in particular to an automobile oil pump shell. The automobile oil pump shell comprises a lower shell, a damping supporting structure, an upper shell, apre-clamping structure and a positioning mounting structure, wherein the pre-clamping structure is connected to the attached side walls of the lower shell and the upper shell, and the pre-clamping structure comprises a pre-clamping sealing ring, an air inlet pipe, an exhaust pipe, a valve, an air bag and a clamping air bag; the side wall of the bottom of the lower shell is connected with the pre-clamping sealing ring, a volume cavity is formed in the pre-clamping sealing ring, the clamping air bag is arranged in the volume cavity, one end of the air inlet pipe communicates with an air bag inlet, and the other end of the air inlet pipe penetrates through the pre-clamping sealing ring and communicates with the clamping air bag. The automobile oil pump shell has the beneficial effects that through the pre-clamping structure, the pre-clamping sealing ring is supported to be expanded to be attached to the inner side wall of a surrounding type plug groove more closely, the sealing performance is improved, the friction force between the expanded pre-clamping sealing ring and the inner side wall of the surrounding type plug groove can be increased, and therefore, the pre-clamping effect is achieved.

The invention relates to the field of oil pumps, in particular to an automobile oil pump shell. The automobile oil pump shell comprises a lower shell, a damping supporting structure, an upper shell, apre-clamping structure and a positioning mounting structure, wherein the pre-clamping structure is connected to the attached side walls of the lower shell and the upper shell, and the pre-clamping structure comprises a pre-clamping sealing ring, an air inlet pipe, an exhaust pipe, a valve, an air bag and a clamping air bag; and the side wall of the bottom of the lower shell is connected with thepre-clamping sealing ring, a volume cavity is formed in the pre-clamping sealing ring, the clamping air bag is arranged in the volume cavity, one end of the air inlet pipe communicates with an air baginlet, and the other end of the air inlet pipe penetrates through the pre-clamping sealing ring and communicates with the clamping air bag. The automobile oil pump shell provided by the invention hasthe beneficial effects that through the pre-clamping structure, the pre-clamping sealing ring is supported to be expanded to be attached to the inner side wall of a surrounding type plug groove moreclosely, the sealing performance is improved, the friction force between the expanded pre-clamping sealing ring and the inner side wall of the surrounding type plug groove can be increased, and therefore, the pre-clamping effect is achieved.

The high-precision head fixing device comprises a fixing bin, a clamping type fixing mechanism, a rotary type clamping mechanism, a comfort level fine adjustment mechanism and an extrusion type fixing mechanism, the clamping type fixing mechanism is arranged in the fixing bin and used for fixing the neck, the clamping type fixing mechanism comprises a pair of adjusting blocks, and the adjusting blocks are arranged on the clamping type fixing mechanism. A clamping semi-ring is arranged on the adjusting block, a sliding rotating groove matched with the clamping semi-ring is formed in the fixing bin, the adjusting block is connected with a first motor, the first motor penetrates through the clamping semi-ring, and the first motor is connected with a torque sensor. Through the arrangement of corresponding mechanisms on the headrest, fixation of the head and the neck of a patient is improved, the possibility that the head and the neck of the patient shake is reduced, the definition of a contrast image is improved, meanwhile, the contrast accuracy is greatly improved, and the influence of a doctor on patient condition judgment is reduced.

The invention relates to the field of water conservancy culverts, in particular to a water conservancy culvert support which comprises a base, a fixing device is arranged on the base and comprises a precast block and an inserting rod, the precast block is embedded in the ground, a precast groove is formed in the precast block, and one end of the inserting rod is fixedly connected to the side wall of the bottom of the base; the inserting rods can be in inserting fit with inner cavities of the prefabricated grooves, limiting grooves are formed in the inner side walls of the prefabricated grooves, first storage grooves are formed in the inserting rods, sliding holes are formed in the side walls of the first storage grooves, first limiting blocks are arranged in the sliding holes, and the first limiting blocks are slidably connected to the side walls of the sliding holes. And the first limiting block can be matched with an inner cavity of the limiting groove in an inserted connection mode, and a driving mechanism used for driving the first limiting block is arranged in the first storage groove. The water conservancy culvert support has the advantages that the possibility that the support legs arranged on the base are loosened is reduced, and therefore the possibility that the water conservancy culvert support is separated from the bottom face is reduced.

The invention relates to the field of foundation pit building engineering, in particular to a foundation pit waterproof curtain and a construction method thereof. The foundation pit waterproof curtain comprises a foundation pit side wall, a waist beam and slope protection piles, a prefabricated groove is formed in the foundation pit side wall, a fixing mechanism is arranged in the prefabricated groove, the fixing mechanism comprises a prefabricated block, an inserting rod, a rotating rod and a driving rod, and the prefabricated block is fixedly connected to the inner wall of the prefabricated groove; an inserting groove is formed in the prefabricated block, the inserting rod can be inserted into an inner cavity of the inserting groove, a first storage groove is formed in the inserting rod, a first penetrating hole is formed in the side wall of the first storage groove, a first inserting groove is formed in the side wall of the prefabricated groove, an inserting block is arranged in the first penetrating hole, and the inserting block can be inserted into the first inserting groove; a driving assembly is arranged in the first storage groove; the fixing mechanism further comprises a connecting assembly. The foundation pit waterproof curtain has the effects that the possibility that the part, in the side wall of the foundation pit, of an anchor rod is shaken is reduced, then the possibility that the anchor rod is separated from the side wall of the foundation pit is reduced, and therefore the fixing strength of the slope protection pile is improved.

The invention discloses a machine tool with a built-in motor, and relates to the technical field of machine tools. The machine tool is characterized by comprising a base, a motor, a lathe mechanism and a fixing device, wherein the motor is fixed at the top of the base, and the lathe mechanism and the fixing device are arranged at the top of the base; the fixing device comprises a fixing table, a fixing pipe and a transmission mechanism, wherein the fixing table is fixed to the top of the base, the fixing pipe is rotationally installed on the side, close to the motor, of the fixing table, and the transmission mechanism is arranged between the fixing pipe and the motor and used for driving the fixing pipe to rotate; a fixing cover is in threaded connection with the end, away from the fixingtable, of the fixing pipe; three mounting through holes are uniformly distributed in the peripheral surface of the fixing cover in the circumferential direction of the fixing cover; rotating shafts are rotationally installed on the opposite inner sides of the mounting through holes correspondingly, and abutting parts are fixed to the opposite ends of the two adjacent rotating shafts; and an abutting mechanism used for driving the corresponding abutting part to rotate towards the side close to the fixing pipe is arranged between each abutting part and the fixing pipe. According to the machine tool with the built-in motor, the problem that the concentricity of the main shaft of the motor is influenced is solved, and the effect of improving the concentricity of the fixing pipe during rotationis achieved.

The invention discloses an assembled aluminum alloy stair formwork, which relates to the technical field of stair formwork. The key point of the technical solution is to include slanting braces and multiple sets of stair modules fixed on the top of the slant braces. Each set of stair modules includes oppositely arranged The two support plates fixed on the top of the diagonal braces, the two horizontal stair plates respectively fixed on the top of the two support plates, the two fixed plates respectively fixed on the top of the transverse stair plates, and the two fixed plates on the top of the transverse stair plates are rotatably installed away from the diagonal braces. The vertical stair board on one side of the board; two sets of rotating devices for driving the rotation of the vertical stair board are arranged between the horizontal stair board and the vertical stair board. The invention solves the problem that the stair formwork is inconvenient to carry, and achieves the effect of facilitating the construction and transportation of the stair formwork.